Update vendoring (#801)

* Update vendor github.com/godbus/dbus@v4.1.0

* Update vendor github.com/golang/protobuf/proto

* Update vendor github.com/mdlayher/netlink/...

* Update vendor github.com/prometheus/client_golang/prometheus/...

* Update vendor github.com/prometheus/client_model/go

* Update vendor github.com/prometheus/common/...

* Update vendor github.com/prometheus/procfs/...

* Update vendor github.com/sirupsen/logrus@v1.0.4

* Update vendor golang.org/x/...

* Update vendor gopkg.in/alecthomas/kingpin.v2

* Remove obsolete vendor github.com/mdlayher/netlink/genetlink

vendor/github.com/mdlayher/netlink/conn.go

@@ -27,6 +27,10 @@ var (
 
 // A Conn is a connection to netlink.  A Conn can be used to send and
 // receives messages to and from netlink.
+//
+// A Conn is safe for concurrent use, but to avoid contention in
+// high-throughput applications, the caller should almost certainly create a
+// pool of Conns and distribute them among workers.
 type Conn struct {
 	// sock is the operating system-specific implementation of
 	// a netlink sockets connection.
@@ -330,4 +334,14 @@ type Config struct {
 	// Groups is a bitmask which specifies multicast groups. If set to 0,
 	// no multicast group subscriptions will be made.
 	Groups uint32
+
+	// Experimental: do not lock the internal system call handling goroutine
+	// to its OS thread.  This may result in a speed-up of system call handling,
+	// but may cause unexpected behavior when sending and receiving a large number
+	// of messages.
+	//
+	// This should almost certainly be set to false, but if you come up with a
+	// valid reason for using this, please file an issue at
+	// https://github.com/mdlayher/netlink to discuss your thoughts.
+	NoLockThread bool
 }

vendor/github.com/mdlayher/netlink/conn_linux.go

@@ -5,6 +5,8 @@ package netlink
 import (
 	"errors"
 	"os"
+	"runtime"
+	"sync"
 	"syscall"
 	"unsafe"
 
@@ -39,16 +41,23 @@ type socket interface {
 // dial is the entry point for Dial.  dial opens a netlink socket using
 // system calls, and returns its PID.
 func dial(family int, config *Config) (*conn, uint32, error) {
-	fd, err := unix.Socket(
-		unix.AF_NETLINK,
-		unix.SOCK_RAW,
-		family,
-	)
-	if err != nil {
+	// Prepare sysSocket's internal loop and create the socket.
+	//
+	// The conditional is inverted because a zero value of false is desired
+	// if no config, but it's easier to interpret within this code when the
+	// value is inverted.
+	if config == nil {
+		config = &Config{}
+	}
+
+	lockThread := !config.NoLockThread
+	sock := newSysSocket(lockThread)
+
+	if err := sock.Socket(family); err != nil {
 		return nil, 0, err
 	}
 
-	return bind(&sysSocket{fd: fd}, config)
+	return bind(sock, config)
 }
 
 // bind binds a connection to netlink using the input socket, which may be
@@ -213,18 +222,144 @@ var _ socket = &sysSocket{}
 // A sysSocket is a socket which uses system calls for socket operations.
 type sysSocket struct {
 	fd int
+
+	wg    *sync.WaitGroup
+	funcC chan<- func()
+}
+
+// newSysSocket creates a sysSocket that optionally locks its internal goroutine
+// to a single thread.
+func newSysSocket(lockThread bool) *sysSocket {
+	var wg sync.WaitGroup
+	wg.Add(1)
+
+	// This system call loop strategy was inspired by:
+	// https://github.com/golang/go/wiki/LockOSThread.  Thanks to squeed on
+	// Gophers Slack for providing this useful link.
+
+	funcC := make(chan func())
+	go func() {
+		// It is important to lock this goroutine to its OS thread for the duration
+		// of the netlink socket being used, or else the kernel may end up routing
+		// messages to the wrong places.
+		// See: http://lists.infradead.org/pipermail/libnl/2017-February/002293.html.
+		//
+		// But since this is very experimental, we'll leave it as a configurable at
+		// this point.
+		if lockThread {
+			// Never unlock the OS thread, so that the thread will terminate when
+			// the goroutine exits starting in Go 1.10:
+			// https://go-review.googlesource.com/c/go/+/46038.
+			runtime.LockOSThread()
+		}
+
+		defer wg.Done()
+
+		for f := range funcC {
+			f()
+		}
+	}()
+
+	return &sysSocket{
+		wg:    &wg,
+		funcC: funcC,
+	}
+}
+
+// do runs f in a worker goroutine which can be locked to one thread.
+func (s *sysSocket) do(f func()) {
+	done := make(chan bool, 1)
+	s.funcC <- func() {
+		f()
+		done <- true
+	}
+	<-done
+}
+
+func (s *sysSocket) Socket(family int) error {
+	var (
+		fd  int
+		err error
+	)
+
+	s.do(func() {
+		fd, err = unix.Socket(
+			unix.AF_NETLINK,
+			unix.SOCK_RAW,
+			family,
+		)
+	})
+	if err != nil {
+		return err
+	}
+
+	s.fd = fd
+	return nil
+}
+
+func (s *sysSocket) Bind(sa unix.Sockaddr) error {
+	var err error
+	s.do(func() {
+		err = unix.Bind(s.fd, sa)
+	})
+
+	return err
+}
+
+func (s *sysSocket) Close() error {
+	var err error
+	s.do(func() {
+		err = unix.Close(s.fd)
+	})
+
+	close(s.funcC)
+	s.wg.Wait()
+
+	return err
 }
 
-func (s *sysSocket) Bind(sa unix.Sockaddr) error         { return unix.Bind(s.fd, sa) }
-func (s *sysSocket) Close() error                        { return unix.Close(s.fd) }
-func (s *sysSocket) FD() int                             { return s.fd }
-func (s *sysSocket) Getsockname() (unix.Sockaddr, error) { return unix.Getsockname(s.fd) }
+func (s *sysSocket) FD() int { return s.fd }
+
+func (s *sysSocket) Getsockname() (unix.Sockaddr, error) {
+	var (
+		sa  unix.Sockaddr
+		err error
+	)
+
+	s.do(func() {
+		sa, err = unix.Getsockname(s.fd)
+	})
+
+	return sa, err
+}
 func (s *sysSocket) Recvmsg(p, oob []byte, flags int) (int, int, int, unix.Sockaddr, error) {
-	return unix.Recvmsg(s.fd, p, oob, flags)
+	var (
+		n, oobn, recvflags int
+		from               unix.Sockaddr
+		err                error
+	)
+
+	s.do(func() {
+		n, oobn, recvflags, from, err = unix.Recvmsg(s.fd, p, oob, flags)
+	})
+
+	return n, oobn, recvflags, from, err
 }
+
 func (s *sysSocket) Sendmsg(p, oob []byte, to unix.Sockaddr, flags int) error {
-	return unix.Sendmsg(s.fd, p, oob, to, flags)
+	var err error
+	s.do(func() {
+		err = unix.Sendmsg(s.fd, p, oob, to, flags)
+	})
+
+	return err
 }
+
 func (s *sysSocket) SetSockopt(level, name int, v unsafe.Pointer, l uint32) error {
-	return setsockopt(s.fd, level, name, v, l)
+	var err error
+	s.do(func() {
+		err = setsockopt(s.fd, level, name, v, l)
+	})
+
+	return err
 }

vendor/github.com/mdlayher/netlink/message.go

@@ -62,6 +62,20 @@ const (
 	// HeaderFlagsDump requests that netlink return a complete list of
 	// all entries.
 	HeaderFlagsDump HeaderFlags = HeaderFlagsRoot | HeaderFlagsMatch
+
+	// Flags used to create objects.
+
+	// HeaderFlagsReplace indicates request replaces an existing matching object.
+	HeaderFlagsReplace HeaderFlags = 0x100
+
+	// HeaderFlagsExcl  indicates request does not replace the object if it already exists.
+	HeaderFlagsExcl HeaderFlags = 0x200
+
+	// HeaderFlagsCreate indicates request creates an object if it doesn't already exist.
+	HeaderFlagsCreate HeaderFlags = 0x400
+
+	// HeaderFlagsAppend indicates request adds to the end of the object list.
+	HeaderFlagsAppend HeaderFlags = 0x800
 )
 
 // String returns the string representation of a HeaderFlags.
@@ -73,14 +87,12 @@ func (f HeaderFlags) String() string {
 		"echo",
 		"dumpinterrupted",
 		"dumpfiltered",
-		"1<<6",
-		"1<<7",
-		"root",
-		"match",
-		"atomic",
 	}
 
 	var s string
+
+	left := uint(f)
+
 	for i, name := range names {
 		if f&(1<<uint(i)) != 0 {
 			if s != "" {
@@ -88,13 +100,22 @@ func (f HeaderFlags) String() string {
 			}
 
 			s += name
+
+			left ^= (1 << uint(i))
 		}
 	}
 
-	if s == "" {
+	if s == "" && left == 0 {
 		s = "0"
 	}
 
+	if left > 0 {
+		if s != "" {
+			s += "|"
+		}
+		s += fmt.Sprintf("%#x", left)
+	}
+
 	return s
 }
 
@@ -212,8 +233,17 @@ func (m *Message) UnmarshalBinary(b []byte) error {
 func checkMessage(m Message) error {
 	const success = 0
 
-	// HeaderTypeError may indicate an error code, or success
-	if m.Header.Type != HeaderTypeError {
+	// Both "done" and "error" can contain error codes.
+	isDone := m.Header.Type == HeaderTypeDone
+	isError := m.Header.Type == HeaderTypeError
+
+	switch {
+	// "done" with no data means success.
+	case isDone && len(m.Data) == 0:
+		return nil
+	case isError, isDone:
+		break
+	default:
 		return nil
 	}
 

vendor/github.com/prometheus/client_golang/prometheus/counter.go

@@ -15,6 +15,10 @@ package prometheus
 
 import (
 	"errors"
+	"math"
+	"sync/atomic"
+
+	dto "github.com/prometheus/client_model/go"
 )
 
 // Counter is a Metric that represents a single numerical value that only ever
@@ -42,6 +46,14 @@ type Counter interface {
 type CounterOpts Opts
 
 // NewCounter creates a new Counter based on the provided CounterOpts.
+//
+// The returned implementation tracks the counter value in two separate
+// variables, a float64 and a uint64. The latter is used to track calls of the
+// Inc method and calls of the Add method with a value that can be represented
+// as a uint64. This allows atomic increments of the counter with optimal
+// performance. (It is common to have an Inc call in very hot execution paths.)
+// Both internal tracking values are added up in the Write method. This has to
+// be taken into account when it comes to precision and overflow behavior.
 func NewCounter(opts CounterOpts) Counter {
 	desc := NewDesc(
 		BuildFQName(opts.Namespace, opts.Subsystem, opts.Name),
@@ -49,20 +61,58 @@ func NewCounter(opts CounterOpts) Counter {
 		nil,
 		opts.ConstLabels,
 	)
-	result := &counter{value: value{desc: desc, valType: CounterValue, labelPairs: desc.constLabelPairs}}
+	result := &counter{desc: desc, labelPairs: desc.constLabelPairs}
 	result.init(result) // Init self-collection.
 	return result
 }
 
 type counter struct {
-	value
+	// valBits contains the bits of the represented float64 value, while
+	// valInt stores values that are exact integers. Both have to go first
+	// in the struct to guarantee alignment for atomic operations.
+	// http://golang.org/pkg/sync/atomic/#pkg-note-BUG
+	valBits uint64
+	valInt  uint64
+
+	selfCollector
+	desc *Desc
+
+	labelPairs []*dto.LabelPair
+}
+
+func (c *counter) Desc() *Desc {
+	return c.desc
 }
 
 func (c *counter) Add(v float64) {
 	if v < 0 {
 		panic(errors.New("counter cannot decrease in value"))
 	}
-	c.value.Add(v)
+	ival := uint64(v)
+	if float64(ival) == v {
+		atomic.AddUint64(&c.valInt, ival)
+		return
+	}
+
+	for {
+		oldBits := atomic.LoadUint64(&c.valBits)
+		newBits := math.Float64bits(math.Float64frombits(oldBits) + v)
+		if atomic.CompareAndSwapUint64(&c.valBits, oldBits, newBits) {
+			return
+		}
+	}
+}
+
+func (c *counter) Inc() {
+	atomic.AddUint64(&c.valInt, 1)
+}
+
+func (c *counter) Write(out *dto.Metric) error {
+	fval := math.Float64frombits(atomic.LoadUint64(&c.valBits))
+	ival := atomic.LoadUint64(&c.valInt)
+	val := fval + float64(ival)
+
+	return populateMetric(CounterValue, val, c.labelPairs, out)
 }
 
 // CounterVec is a Collector that bundles a set of Counters that all share the
@@ -85,11 +135,10 @@ func NewCounterVec(opts CounterOpts, labelNames []string) *CounterVec {
 	)
 	return &CounterVec{
 		metricVec: newMetricVec(desc, func(lvs ...string) Metric {
-			result := &counter{value: value{
-				desc:       desc,
-				valType:    CounterValue,
-				labelPairs: makeLabelPairs(desc, lvs),
-			}}
+			if len(lvs) != len(desc.variableLabels) {
+				panic(errInconsistentCardinality)
+			}
+			result := &counter{desc: desc, labelPairs: makeLabelPairs(desc, lvs)}
 			result.init(result) // Init self-collection.
 			return result
 		}),
@@ -111,7 +160,7 @@ func NewCounterVec(opts CounterOpts, labelNames []string) *CounterVec {
 // Counter with the same label values is created later.
 //
 // An error is returned if the number of label values is not the same as the
-// number of VariableLabels in Desc.
+// number of VariableLabels in Desc (minus any curried labels).
 //
 // Note that for more than one label value, this method is prone to mistakes
 // caused by an incorrect order of arguments. Consider GetMetricWith(Labels) as
@@ -119,8 +168,8 @@ func NewCounterVec(opts CounterOpts, labelNames []string) *CounterVec {
 // latter has a much more readable (albeit more verbose) syntax, but it comes
 // with a performance overhead (for creating and processing the Labels map).
 // See also the GaugeVec example.
-func (m *CounterVec) GetMetricWithLabelValues(lvs ...string) (Counter, error) {
-	metric, err := m.metricVec.getMetricWithLabelValues(lvs...)
+func (v *CounterVec) GetMetricWithLabelValues(lvs ...string) (Counter, error) {
+	metric, err := v.metricVec.getMetricWithLabelValues(lvs...)
 	if metric != nil {
 		return metric.(Counter), err
 	}
@@ -134,13 +183,13 @@ func (m *CounterVec) GetMetricWithLabelValues(lvs ...string) (Counter, error) {
 // the same as for GetMetricWithLabelValues.
 //
 // An error is returned if the number and names of the Labels are inconsistent
-// with those of the VariableLabels in Desc.
+// with those of the VariableLabels in Desc (minus any curried labels).
 //
 // This method is used for the same purpose as
 // GetMetricWithLabelValues(...string). See there for pros and cons of the two
 // methods.
-func (m *CounterVec) GetMetricWith(labels Labels) (Counter, error) {
-	metric, err := m.metricVec.getMetricWith(labels)
+func (v *CounterVec) GetMetricWith(labels Labels) (Counter, error) {
+	metric, err := v.metricVec.getMetricWith(labels)
 	if metric != nil {
 		return metric.(Counter), err
 	}
@@ -148,18 +197,57 @@ func (m *CounterVec) GetMetricWith(labels Labels) (Counter, error) {
 }
 
 // WithLabelValues works as GetMetricWithLabelValues, but panics where
-// GetMetricWithLabelValues would have returned an error. By not returning an
-// error, WithLabelValues allows shortcuts like
+// GetMetricWithLabelValues would have returned an error. Not returning an
+// error allows shortcuts like
 //     myVec.WithLabelValues("404", "GET").Add(42)
-func (m *CounterVec) WithLabelValues(lvs ...string) Counter {
-	return m.metricVec.withLabelValues(lvs...).(Counter)
+func (v *CounterVec) WithLabelValues(lvs ...string) Counter {
+	c, err := v.GetMetricWithLabelValues(lvs...)
+	if err != nil {
+		panic(err)
+	}
+	return c
 }
 
 // With works as GetMetricWith, but panics where GetMetricWithLabels would have
-// returned an error. By not returning an error, With allows shortcuts like
-//     myVec.With(Labels{"code": "404", "method": "GET"}).Add(42)
-func (m *CounterVec) With(labels Labels) Counter {
-	return m.metricVec.with(labels).(Counter)
+// returned an error. Not returning an error allows shortcuts like
+//     myVec.With(prometheus.Labels{"code": "404", "method": "GET"}).Add(42)
+func (v *CounterVec) With(labels Labels) Counter {
+	c, err := v.GetMetricWith(labels)
+	if err != nil {
+		panic(err)
+	}
+	return c
+}
+
+// CurryWith returns a vector curried with the provided labels, i.e. the
+// returned vector has those labels pre-set for all labeled operations performed
+// on it. The cardinality of the curried vector is reduced accordingly. The
+// order of the remaining labels stays the same (just with the curried labels
+// taken out of the sequence – which is relevant for the
+// (GetMetric)WithLabelValues methods). It is possible to curry a curried
+// vector, but only with labels not yet used for currying before.
+//
+// The metrics contained in the CounterVec are shared between the curried and
+// uncurried vectors. They are just accessed differently. Curried and uncurried
+// vectors behave identically in terms of collection. Only one must be
+// registered with a given registry (usually the uncurried version). The Reset
+// method deletes all metrics, even if called on a curried vector.
+func (v *CounterVec) CurryWith(labels Labels) (*CounterVec, error) {
+	vec, err := v.curryWith(labels)
+	if vec != nil {
+		return &CounterVec{vec}, err
+	}
+	return nil, err
+}
+
+// MustCurryWith works as CurryWith but panics where CurryWith would have
+// returned an error.
+func (v *CounterVec) MustCurryWith(labels Labels) *CounterVec {
+	vec, err := v.CurryWith(labels)
+	if err != nil {
+		panic(err)
+	}
+	return vec
 }
 
 // CounterFunc is a Counter whose value is determined at collect time by calling a

vendor/github.com/prometheus/client_golang/prometheus/desc.go

@@ -73,8 +73,7 @@ type Desc struct {
 // and therefore not part of the Desc. (They are managed within the Metric.)
 //
 // For constLabels, the label values are constant. Therefore, they are fully
-// specified in the Desc. See the Opts documentation for the implications of
-// constant labels.
+// specified in the Desc. See the Collector example for a usage pattern.
 func NewDesc(fqName, help string, variableLabels []string, constLabels Labels) *Desc {
 	d := &Desc{
 		fqName:         fqName,

vendor/github.com/prometheus/client_golang/prometheus/doc.go

@@ -145,7 +145,7 @@
 // registry.
 //
 // So far, everything we did operated on the so-called default registry, as it
-// can be found in the global DefaultRegistry variable. With NewRegistry, you
+// can be found in the global DefaultRegisterer variable. With NewRegistry, you
 // can create a custom registry, or you can even implement the Registerer or
 // Gatherer interfaces yourself. The methods Register and Unregister work in the
 // same way on a custom registry as the global functions Register and Unregister
@@ -153,11 +153,11 @@
 //
 // There are a number of uses for custom registries: You can use registries with
 // special properties, see NewPedanticRegistry. You can avoid global state, as
-// it is imposed by the DefaultRegistry. You can use multiple registries at the
-// same time to expose different metrics in different ways. You can use separate
-// registries for testing purposes.
+// it is imposed by the DefaultRegisterer. You can use multiple registries at
+// the same time to expose different metrics in different ways.  You can use
+// separate registries for testing purposes.
 //
-// Also note that the DefaultRegistry comes registered with a Collector for Go
+// Also note that the DefaultRegisterer comes registered with a Collector for Go
 // runtime metrics (via NewGoCollector) and a Collector for process metrics (via
 // NewProcessCollector). With a custom registry, you are in control and decide
 // yourself about the Collectors to register.

vendor/github.com/prometheus/client_golang/prometheus/gauge.go

@@ -13,6 +13,14 @@
 
 package prometheus
 
+import (
+	"math"
+	"sync/atomic"
+	"time"
+
+	dto "github.com/prometheus/client_model/go"
+)
+
 // Gauge is a Metric that represents a single numerical value that can
 // arbitrarily go up and down.
 //
@@ -48,13 +56,74 @@ type Gauge interface {
 type GaugeOpts Opts
 
 // NewGauge creates a new Gauge based on the provided GaugeOpts.
+//
+// The returned implementation is optimized for a fast Set method. If you have a
+// choice for managing the value of a Gauge via Set vs. Inc/Dec/Add/Sub, pick
+// the former. For example, the Inc method of the returned Gauge is slower than
+// the Inc method of a Counter returned by NewCounter. This matches the typical
+// scenarios for Gauges and Counters, where the former tends to be Set-heavy and
+// the latter Inc-heavy.
 func NewGauge(opts GaugeOpts) Gauge {
-	return newValue(NewDesc(
+	desc := NewDesc(
 		BuildFQName(opts.Namespace, opts.Subsystem, opts.Name),
 		opts.Help,
 		nil,
 		opts.ConstLabels,
-	), GaugeValue, 0)
+	)
+	result := &gauge{desc: desc, labelPairs: desc.constLabelPairs}
+	result.init(result) // Init self-collection.
+	return result
+}
+
+type gauge struct {
+	// valBits contains the bits of the represented float64 value. It has
+	// to go first in the struct to guarantee alignment for atomic
+	// operations.  http://golang.org/pkg/sync/atomic/#pkg-note-BUG
+	valBits uint64
+
+	selfCollector
+
+	desc       *Desc
+	labelPairs []*dto.LabelPair
+}
+
+func (g *gauge) Desc() *Desc {
+	return g.desc
+}
+
+func (g *gauge) Set(val float64) {
+	atomic.StoreUint64(&g.valBits, math.Float64bits(val))
+}
+
+func (g *gauge) SetToCurrentTime() {
+	g.Set(float64(time.Now().UnixNano()) / 1e9)
+}
+
+func (g *gauge) Inc() {
+	g.Add(1)
+}
+
+func (g *gauge) Dec() {
+	g.Add(-1)
+}
+
+func (g *gauge) Add(val float64) {
+	for {
+		oldBits := atomic.LoadUint64(&g.valBits)
+		newBits := math.Float64bits(math.Float64frombits(oldBits) + val)
+		if atomic.CompareAndSwapUint64(&g.valBits, oldBits, newBits) {
+			return
+		}
+	}
+}
+
+func (g *gauge) Sub(val float64) {
+	g.Add(val * -1)
+}
+
+func (g *gauge) Write(out *dto.Metric) error {
+	val := math.Float64frombits(atomic.LoadUint64(&g.valBits))
+	return populateMetric(GaugeValue, val, g.labelPairs, out)
 }
 
 // GaugeVec is a Collector that bundles a set of Gauges that all share the same
@@ -77,7 +146,12 @@ func NewGaugeVec(opts GaugeOpts, labelNames []string) *GaugeVec {
 	)
 	return &GaugeVec{
 		metricVec: newMetricVec(desc, func(lvs ...string) Metric {
-			return newValue(desc, GaugeValue, 0, lvs...)
+			if len(lvs) != len(desc.variableLabels) {
+				panic(errInconsistentCardinality)
+			}
+			result := &gauge{desc: desc, labelPairs: makeLabelPairs(desc, lvs)}
+			result.init(result) // Init self-collection.
+			return result
 		}),
 	}
 }
@@ -98,15 +172,15 @@ func NewGaugeVec(opts GaugeOpts, labelNames []string) *GaugeVec {
 // example.
 //
 // An error is returned if the number of label values is not the same as the
-// number of VariableLabels in Desc.
+// number of VariableLabels in Desc (minus any curried labels).
 //
 // Note that for more than one label value, this method is prone to mistakes
 // caused by an incorrect order of arguments. Consider GetMetricWith(Labels) as
 // an alternative to avoid that type of mistake. For higher label numbers, the
 // latter has a much more readable (albeit more verbose) syntax, but it comes
 // with a performance overhead (for creating and processing the Labels map).
-func (m *GaugeVec) GetMetricWithLabelValues(lvs ...string) (Gauge, error) {
-	metric, err := m.metricVec.getMetricWithLabelValues(lvs...)
+func (v *GaugeVec) GetMetricWithLabelValues(lvs ...string) (Gauge, error) {
+	metric, err := v.metricVec.getMetricWithLabelValues(lvs...)
 	if metric != nil {
 		return metric.(Gauge), err
 	}
@@ -120,13 +194,13 @@ func (m *GaugeVec) GetMetricWithLabelValues(lvs ...string) (Gauge, error) {
 // the same as for GetMetricWithLabelValues.
 //
 // An error is returned if the number and names of the Labels are inconsistent
-// with those of the VariableLabels in Desc.
+// with those of the VariableLabels in Desc (minus any curried labels).
 //
 // This method is used for the same purpose as
 // GetMetricWithLabelValues(...string). See there for pros and cons of the two
 // methods.
-func (m *GaugeVec) GetMetricWith(labels Labels) (Gauge, error) {
-	metric, err := m.metricVec.getMetricWith(labels)
+func (v *GaugeVec) GetMetricWith(labels Labels) (Gauge, error) {
+	metric, err := v.metricVec.getMetricWith(labels)
 	if metric != nil {
 		return metric.(Gauge), err
 	}
@@ -134,18 +208,57 @@ func (m *GaugeVec) GetMetricWith(labels Labels) (Gauge, error) {
 }
 
 // WithLabelValues works as GetMetricWithLabelValues, but panics where
-// GetMetricWithLabelValues would have returned an error. By not returning an
-// error, WithLabelValues allows shortcuts like
+// GetMetricWithLabelValues would have returned an error. Not returning an
+// error allows shortcuts like
 //     myVec.WithLabelValues("404", "GET").Add(42)
-func (m *GaugeVec) WithLabelValues(lvs ...string) Gauge {
-	return m.metricVec.withLabelValues(lvs...).(Gauge)
+func (v *GaugeVec) WithLabelValues(lvs ...string) Gauge {
+	g, err := v.GetMetricWithLabelValues(lvs...)
+	if err != nil {
+		panic(err)
+	}
+	return g
 }
 
 // With works as GetMetricWith, but panics where GetMetricWithLabels would have
-// returned an error. By not returning an error, With allows shortcuts like
-//     myVec.With(Labels{"code": "404", "method": "GET"}).Add(42)
-func (m *GaugeVec) With(labels Labels) Gauge {
-	return m.metricVec.with(labels).(Gauge)
+// returned an error. Not returning an error allows shortcuts like
+//     myVec.With(prometheus.Labels{"code": "404", "method": "GET"}).Add(42)
+func (v *GaugeVec) With(labels Labels) Gauge {
+	g, err := v.GetMetricWith(labels)
+	if err != nil {
+		panic(err)
+	}
+	return g
+}
+
+// CurryWith returns a vector curried with the provided labels, i.e. the
+// returned vector has those labels pre-set for all labeled operations performed
+// on it. The cardinality of the curried vector is reduced accordingly. The
+// order of the remaining labels stays the same (just with the curried labels
+// taken out of the sequence – which is relevant for the
+// (GetMetric)WithLabelValues methods). It is possible to curry a curried
+// vector, but only with labels not yet used for currying before.
+//
+// The metrics contained in the GaugeVec are shared between the curried and
+// uncurried vectors. They are just accessed differently. Curried and uncurried
+// vectors behave identically in terms of collection. Only one must be
+// registered with a given registry (usually the uncurried version). The Reset
+// method deletes all metrics, even if called on a curried vector.
+func (v *GaugeVec) CurryWith(labels Labels) (*GaugeVec, error) {
+	vec, err := v.curryWith(labels)
+	if vec != nil {
+		return &GaugeVec{vec}, err
+	}
+	return nil, err
+}
+
+// MustCurryWith works as CurryWith but panics where CurryWith would have
+// returned an error.
+func (v *GaugeVec) MustCurryWith(labels Labels) *GaugeVec {
+	vec, err := v.CurryWith(labels)
+	if err != nil {
+		panic(err)
+	}
+	return vec
 }
 
 // GaugeFunc is a Gauge whose value is determined at collect time by calling a

vendor/github.com/prometheus/client_golang/prometheus/histogram.go

@@ -126,23 +126,16 @@ type HistogramOpts struct {
 	// string.
 	Help string
 
-	// ConstLabels are used to attach fixed labels to this
-	// Histogram. Histograms with the same fully-qualified name must have the
-	// same label names in their ConstLabels.
+	// ConstLabels are used to attach fixed labels to this metric. Metrics
+	// with the same fully-qualified name must have the same label names in
+	// their ConstLabels.
 	//
-	// Note that in most cases, labels have a value that varies during the
-	// lifetime of a process. Those labels are usually managed with a
-	// HistogramVec. ConstLabels serve only special purposes. One is for the
-	// special case where the value of a label does not change during the
-	// lifetime of a process, e.g. if the revision of the running binary is
-	// put into a label. Another, more advanced purpose is if more than one
-	// Collector needs to collect Histograms with the same fully-qualified
-	// name. In that case, those Summaries must differ in the values of
-	// their ConstLabels. See the Collector examples.
-	//
-	// If the value of a label never changes (not even between binaries),
-	// that label most likely should not be a label at all (but part of the
-	// metric name).
+	// ConstLabels are only used rarely. In particular, do not use them to
+	// attach the same labels to all your metrics. Those use cases are
+	// better covered by target labels set by the scraping Prometheus
+	// server, or by one specific metric (e.g. a build_info or a
+	// machine_role metric). See also
+	// https://prometheus.io/docs/instrumenting/writing_exporters/#target-labels,-not-static-scraped-labels
 	ConstLabels Labels
 
 	// Buckets defines the buckets into which observations are counted. Each
@@ -322,7 +315,7 @@ func NewHistogramVec(opts HistogramOpts, labelNames []string) *HistogramVec {
 // example.
 //
 // An error is returned if the number of label values is not the same as the
-// number of VariableLabels in Desc.
+// number of VariableLabels in Desc (minus any curried labels).
 //
 // Note that for more than one label value, this method is prone to mistakes
 // caused by an incorrect order of arguments. Consider GetMetricWith(Labels) as
@@ -330,8 +323,8 @@ func NewHistogramVec(opts HistogramOpts, labelNames []string) *HistogramVec {
 // latter has a much more readable (albeit more verbose) syntax, but it comes
 // with a performance overhead (for creating and processing the Labels map).
 // See also the GaugeVec example.
-func (m *HistogramVec) GetMetricWithLabelValues(lvs ...string) (Observer, error) {
-	metric, err := m.metricVec.getMetricWithLabelValues(lvs...)
+func (v *HistogramVec) GetMetricWithLabelValues(lvs ...string) (Observer, error) {
+	metric, err := v.metricVec.getMetricWithLabelValues(lvs...)
 	if metric != nil {
 		return metric.(Observer), err
 	}
@@ -345,13 +338,13 @@ func (m *HistogramVec) GetMetricWithLabelValues(lvs ...string) (Observer, error)
 // are the same as for GetMetricWithLabelValues.
 //
 // An error is returned if the number and names of the Labels are inconsistent
-// with those of the VariableLabels in Desc.
+// with those of the VariableLabels in Desc (minus any curried labels).
 //
 // This method is used for the same purpose as
 // GetMetricWithLabelValues(...string). See there for pros and cons of the two
 // methods.
-func (m *HistogramVec) GetMetricWith(labels Labels) (Observer, error) {
-	metric, err := m.metricVec.getMetricWith(labels)
+func (v *HistogramVec) GetMetricWith(labels Labels) (Observer, error) {
+	metric, err := v.metricVec.getMetricWith(labels)
 	if metric != nil {
 		return metric.(Observer), err
 	}
@@ -359,18 +352,57 @@ func (m *HistogramVec) GetMetricWith(labels Labels) (Observer, error) {
 }
 
 // WithLabelValues works as GetMetricWithLabelValues, but panics where
-// GetMetricWithLabelValues would have returned an error. By not returning an
-// error, WithLabelValues allows shortcuts like
+// GetMetricWithLabelValues would have returned an error. Not returning an
+// error allows shortcuts like
 //     myVec.WithLabelValues("404", "GET").Observe(42.21)
-func (m *HistogramVec) WithLabelValues(lvs ...string) Observer {
-	return m.metricVec.withLabelValues(lvs...).(Observer)
+func (v *HistogramVec) WithLabelValues(lvs ...string) Observer {
+	h, err := v.GetMetricWithLabelValues(lvs...)
+	if err != nil {
+		panic(err)
+	}
+	return h
 }
 
-// With works as GetMetricWith, but panics where GetMetricWithLabels would have
-// returned an error. By not returning an error, With allows shortcuts like
-//     myVec.With(Labels{"code": "404", "method": "GET"}).Observe(42.21)
-func (m *HistogramVec) With(labels Labels) Observer {
-	return m.metricVec.with(labels).(Observer)
+// With works as GetMetricWith but panics where GetMetricWithLabels would have
+// returned an error. Not returning an error allows shortcuts like
+//     myVec.With(prometheus.Labels{"code": "404", "method": "GET"}).Observe(42.21)
+func (v *HistogramVec) With(labels Labels) Observer {
+	h, err := v.GetMetricWith(labels)
+	if err != nil {
+		panic(err)
+	}
+	return h
+}
+
+// CurryWith returns a vector curried with the provided labels, i.e. the
+// returned vector has those labels pre-set for all labeled operations performed
+// on it. The cardinality of the curried vector is reduced accordingly. The
+// order of the remaining labels stays the same (just with the curried labels
+// taken out of the sequence – which is relevant for the
+// (GetMetric)WithLabelValues methods). It is possible to curry a curried
+// vector, but only with labels not yet used for currying before.
+//
+// The metrics contained in the HistogramVec are shared between the curried and
+// uncurried vectors. They are just accessed differently. Curried and uncurried
+// vectors behave identically in terms of collection. Only one must be
+// registered with a given registry (usually the uncurried version). The Reset
+// method deletes all metrics, even if called on a curried vector.
+func (v *HistogramVec) CurryWith(labels Labels) (ObserverVec, error) {
+	vec, err := v.curryWith(labels)
+	if vec != nil {
+		return &HistogramVec{vec}, err
+	}
+	return nil, err
+}
+
+// MustCurryWith works as CurryWith but panics where CurryWith would have
+// returned an error.
+func (v *HistogramVec) MustCurryWith(labels Labels) ObserverVec {
+	vec, err := v.CurryWith(labels)
+	if err != nil {
+		panic(err)
+	}
+	return vec
 }
 
 type constHistogram struct {

vendor/github.com/prometheus/client_golang/prometheus/metric.go

@@ -79,20 +79,12 @@ type Opts struct {
 	// with the same fully-qualified name must have the same label names in
 	// their ConstLabels.
 	//
-	// Note that in most cases, labels have a value that varies during the
-	// lifetime of a process. Those labels are usually managed with a metric
-	// vector collector (like CounterVec, GaugeVec, UntypedVec). ConstLabels
-	// serve only special purposes. One is for the special case where the
-	// value of a label does not change during the lifetime of a process,
-	// e.g. if the revision of the running binary is put into a
-	// label. Another, more advanced purpose is if more than one Collector
-	// needs to collect Metrics with the same fully-qualified name. In that
-	// case, those Metrics must differ in the values of their
-	// ConstLabels. See the Collector examples.
-	//
-	// If the value of a label never changes (not even between binaries),
-	// that label most likely should not be a label at all (but part of the
-	// metric name).
+	// ConstLabels are only used rarely. In particular, do not use them to
+	// attach the same labels to all your metrics. Those use cases are
+	// better covered by target labels set by the scraping Prometheus
+	// server, or by one specific metric (e.g. a build_info or a
+	// machine_role metric). See also
+	// https://prometheus.io/docs/instrumenting/writing_exporters/#target-labels,-not-static-scraped-labels
 	ConstLabels Labels
 }
 

vendor/github.com/prometheus/client_golang/prometheus/observer.go

@@ -45,6 +45,8 @@ type ObserverVec interface {
 	GetMetricWithLabelValues(lvs ...string) (Observer, error)
 	With(Labels) Observer
 	WithLabelValues(...string) Observer
+	CurryWith(Labels) (ObserverVec, error)
+	MustCurryWith(Labels) ObserverVec
 
 	Collector
 }

vendor/github.com/prometheus/client_golang/prometheus/promhttp/instrument_client.go

@@ -45,12 +45,11 @@ func InstrumentRoundTripperInFlight(gauge prometheus.Gauge, next http.RoundTripp
 
 // InstrumentRoundTripperCounter is a middleware that wraps the provided
 // http.RoundTripper to observe the request result with the provided CounterVec.
-// The CounterVec must have zero, one, or two labels. The only allowed label
-// names are "code" and "method". The function panics if any other instance
-// labels are provided. Partitioning of the CounterVec happens by HTTP status
-// code and/or HTTP method if the respective instance label names are present
-// in the CounterVec. For unpartitioned counting, use a CounterVec with
-// zero labels.
+// The CounterVec must have zero, one, or two non-const non-curried labels. For
+// those, the only allowed label names are "code" and "method". The function
+// panics otherwise. Partitioning of the CounterVec happens by HTTP status code
+// and/or HTTP method if the respective instance label names are present in the
+// CounterVec. For unpartitioned counting, use a CounterVec with zero labels.
 //
 // If the wrapped RoundTripper panics or returns a non-nil error, the Counter
 // is not incremented.
@@ -69,15 +68,15 @@ func InstrumentRoundTripperCounter(counter *prometheus.CounterVec, next http.Rou
 }
 
 // InstrumentRoundTripperDuration is a middleware that wraps the provided
-// http.RoundTripper to observe the request duration with the provided ObserverVec.
-// The ObserverVec must have zero, one, or two labels. The only allowed label
-// names are "code" and "method". The function panics if any other instance
-// labels are provided. The Observe method of the Observer in the ObserverVec
-// is called with the request duration in seconds. Partitioning happens by HTTP
-// status code and/or HTTP method if the respective instance label names are
-// present in the ObserverVec. For unpartitioned observations, use an
-// ObserverVec with zero labels. Note that partitioning of Histograms is
-// expensive and should be used judiciously.
+// http.RoundTripper to observe the request duration with the provided
+// ObserverVec.  The ObserverVec must have zero, one, or two non-const
+// non-curried labels. For those, the only allowed label names are "code" and
+// "method". The function panics otherwise. The Observe method of the Observer
+// in the ObserverVec is called with the request duration in
+// seconds. Partitioning happens by HTTP status code and/or HTTP method if the
+// respective instance label names are present in the ObserverVec. For
+// unpartitioned observations, use an ObserverVec with zero labels. Note that
+// partitioning of Histograms is expensive and should be used judiciously.
 //
 // If the wrapped RoundTripper panics or returns a non-nil error, no values are
 // reported.

vendor/github.com/prometheus/client_golang/prometheus/promhttp/instrument_server.go

@@ -14,6 +14,7 @@
 package promhttp
 
 import (
+	"errors"
 	"net/http"
 	"strconv"
 	"strings"
@@ -42,10 +43,10 @@ func InstrumentHandlerInFlight(g prometheus.Gauge, next http.Handler) http.Handl
 
 // InstrumentHandlerDuration is a middleware that wraps the provided
 // http.Handler to observe the request duration with the provided ObserverVec.
-// The ObserverVec must have zero, one, or two labels. The only allowed label
-// names are "code" and "method". The function panics if any other instance
-// labels are provided. The Observe method of the Observer in the ObserverVec
-// is called with the request duration in seconds. Partitioning happens by HTTP
+// The ObserverVec must have zero, one, or two non-const non-curried labels. For
+// those, the only allowed label names are "code" and "method". The function
+// panics otherwise. The Observe method of the Observer in the ObserverVec is
+// called with the request duration in seconds. Partitioning happens by HTTP
 // status code and/or HTTP method if the respective instance label names are
 // present in the ObserverVec. For unpartitioned observations, use an
 // ObserverVec with zero labels. Note that partitioning of Histograms is
@@ -77,14 +78,13 @@ func InstrumentHandlerDuration(obs prometheus.ObserverVec, next http.Handler) ht
 	})
 }
 
-// InstrumentHandlerCounter is a middleware that wraps the provided
-// http.Handler to observe the request result with the provided CounterVec.
-// The CounterVec must have zero, one, or two labels. The only allowed label
-// names are "code" and "method". The function panics if any other instance
-// labels are provided. Partitioning of the CounterVec happens by HTTP status
-// code and/or HTTP method if the respective instance label names are present
-// in the CounterVec. For unpartitioned counting, use a CounterVec with
-// zero labels.
+// InstrumentHandlerCounter is a middleware that wraps the provided http.Handler
+// to observe the request result with the provided CounterVec.  The CounterVec
+// must have zero, one, or two non-const non-curried labels. For those, the only
+// allowed label names are "code" and "method". The function panics
+// otherwise. Partitioning of the CounterVec happens by HTTP status code and/or
+// HTTP method if the respective instance label names are present in the
+// CounterVec. For unpartitioned counting, use a CounterVec with zero labels.
 //
 // If the wrapped Handler does not set a status code, a status code of 200 is assumed.
 //
@@ -111,14 +111,13 @@ func InstrumentHandlerCounter(counter *prometheus.CounterVec, next http.Handler)
 // InstrumentHandlerTimeToWriteHeader is a middleware that wraps the provided
 // http.Handler to observe with the provided ObserverVec the request duration
 // until the response headers are written. The ObserverVec must have zero, one,
-// or two labels. The only allowed label names are "code" and "method". The
-// function panics if any other instance labels are provided. The Observe
-// method of the Observer in the ObserverVec is called with the request
-// duration in seconds. Partitioning happens by HTTP status code and/or HTTP
-// method if the respective instance label names are present in the
-// ObserverVec. For unpartitioned observations, use an ObserverVec with zero
-// labels. Note that partitioning of Histograms is expensive and should be used
-// judiciously.
+// or two non-const non-curried labels. For those, the only allowed label names
+// are "code" and "method". The function panics otherwise. The Observe method of
+// the Observer in the ObserverVec is called with the request duration in
+// seconds. Partitioning happens by HTTP status code and/or HTTP method if the
+// respective instance label names are present in the ObserverVec. For
+// unpartitioned observations, use an ObserverVec with zero labels. Note that
+// partitioning of Histograms is expensive and should be used judiciously.
 //
 // If the wrapped Handler panics before calling WriteHeader, no value is
 // reported.
@@ -140,15 +139,15 @@ func InstrumentHandlerTimeToWriteHeader(obs prometheus.ObserverVec, next http.Ha
 }
 
 // InstrumentHandlerRequestSize is a middleware that wraps the provided
-// http.Handler to observe the request size with the provided ObserverVec.
-// The ObserverVec must have zero, one, or two labels. The only allowed label
-// names are "code" and "method". The function panics if any other instance
-// labels are provided. The Observe method of the Observer in the ObserverVec
-// is called with the request size in bytes. Partitioning happens by HTTP
-// status code and/or HTTP method if the respective instance label names are
-// present in the ObserverVec. For unpartitioned observations, use an
-// ObserverVec with zero labels. Note that partitioning of Histograms is
-// expensive and should be used judiciously.
+// http.Handler to observe the request size with the provided ObserverVec.  The
+// ObserverVec must have zero, one, or two non-const non-curried labels. For
+// those, the only allowed label names are "code" and "method". The function
+// panics otherwise. The Observe method of the Observer in the ObserverVec is
+// called with the request size in bytes. Partitioning happens by HTTP status
+// code and/or HTTP method if the respective instance label names are present in
+// the ObserverVec. For unpartitioned observations, use an ObserverVec with zero
+// labels. Note that partitioning of Histograms is expensive and should be used
+// judiciously.
 //
 // If the wrapped Handler does not set a status code, a status code of 200 is assumed.
 //
@@ -175,15 +174,15 @@ func InstrumentHandlerRequestSize(obs prometheus.ObserverVec, next http.Handler)
 }
 
 // InstrumentHandlerResponseSize is a middleware that wraps the provided
-// http.Handler to observe the response size with the provided ObserverVec.
-// The ObserverVec must have zero, one, or two labels. The only allowed label
-// names are "code" and "method". The function panics if any other instance
-// labels are provided. The Observe method of the Observer in the ObserverVec
-// is called with the response size in bytes. Partitioning happens by HTTP
-// status code and/or HTTP method if the respective instance label names are
-// present in the ObserverVec. For unpartitioned observations, use an
-// ObserverVec with zero labels. Note that partitioning of Histograms is
-// expensive and should be used judiciously.
+// http.Handler to observe the response size with the provided ObserverVec.  The
+// ObserverVec must have zero, one, or two non-const non-curried labels. For
+// those, the only allowed label names are "code" and "method". The function
+// panics otherwise. The Observe method of the Observer in the ObserverVec is
+// called with the response size in bytes. Partitioning happens by HTTP status
+// code and/or HTTP method if the respective instance label names are present in
+// the ObserverVec. For unpartitioned observations, use an ObserverVec with zero
+// labels. Note that partitioning of Histograms is expensive and should be used
+// judiciously.
 //
 // If the wrapped Handler does not set a status code, a status code of 200 is assumed.
 //
@@ -204,9 +203,12 @@ func checkLabels(c prometheus.Collector) (code bool, method bool) {
 	// once Descriptors can have their dimensionality queried.
 	var (
 		desc *prometheus.Desc
+		m    prometheus.Metric
 		pm   dto.Metric
+		lvs  []string
 	)
 
+	// Get the Desc from the Collector.
 	descc := make(chan *prometheus.Desc, 1)
 	c.Describe(descc)
 
@@ -223,49 +225,54 @@ func checkLabels(c prometheus.Collector) (code bool, method bool) {
 
 	close(descc)
 
-	if _, err := prometheus.NewConstMetric(desc, prometheus.UntypedValue, 0); err == nil {
-		return
+	// Create a ConstMetric with the Desc. Since we don't know how many
+	// variable labels there are, try for as long as it needs.
+	for err := errors.New("dummy"); err != nil; lvs = append(lvs, magicString) {
+		m, err = prometheus.NewConstMetric(desc, prometheus.UntypedValue, 0, lvs...)
+	}
+
+	// Write out the metric into a proto message and look at the labels.
+	// If the value is not the magicString, it is a constLabel, which doesn't interest us.
+	// If the label is curried, it doesn't interest us.
+	// In all other cases, only "code" or "method" is allowed.
+	if err := m.Write(&pm); err != nil {
+		panic("error checking metric for labels")
 	}
-	if m, err := prometheus.NewConstMetric(desc, prometheus.UntypedValue, 0, magicString); err == nil {
-		if err := m.Write(&pm); err != nil {
-			panic("error checking metric for labels")
+	for _, label := range pm.Label {
+		name, value := label.GetName(), label.GetValue()
+		if value != magicString || isLabelCurried(c, name) {
+			continue
 		}
-		for _, label := range pm.Label {
-			name, value := label.GetName(), label.GetValue()
-			if value != magicString {
-				continue
-			}
-			switch name {
-			case "code":
-				code = true
-			case "method":
-				method = true
-			default:
-				panic("metric partitioned with non-supported labels")
-			}
-			return
+		switch name {
+		case "code":
+			code = true
+		case "method":
+			method = true
+		default:
+			panic("metric partitioned with non-supported labels")
 		}
-		panic("previously set label not found – this must never happen")
 	}
-	if m, err := prometheus.NewConstMetric(desc, prometheus.UntypedValue, 0, magicString, magicString); err == nil {
-		if err := m.Write(&pm); err != nil {
-			panic("error checking metric for labels")
+	return
+}
+
+func isLabelCurried(c prometheus.Collector, label string) bool {
+	// This is even hackier than the label test above.
+	// We essentially try to curry again and see if it works.
+	// But for that, we need to type-convert to the two
+	// types we use here, ObserverVec or *CounterVec.
+	switch v := c.(type) {
+	case *prometheus.CounterVec:
+		if _, err := v.CurryWith(prometheus.Labels{label: "dummy"}); err == nil {
+			return false
 		}
-		for _, label := range pm.Label {
-			name, value := label.GetName(), label.GetValue()
-			if value != magicString {
-				continue
-			}
-			if name == "code" || name == "method" {
-				continue
-			}
-			panic("metric partitioned with non-supported labels")
+	case prometheus.ObserverVec:
+		if _, err := v.CurryWith(prometheus.Labels{label: "dummy"}); err == nil {
+			return false
 		}
-		code = true
-		method = true
-		return
+	default:
+		panic("unsupported metric vec type")
 	}
-	panic("metric partitioned with non-supported labels")
+	return true
 }
 
 // emptyLabels is a one-time allocation for non-partitioned metrics to avoid

vendor/github.com/prometheus/client_golang/prometheus/registry.go

@@ -656,7 +656,7 @@ func normalizeMetricFamilies(metricFamiliesByName map[string]*dto.MetricFamily)
 
 // checkMetricConsistency checks if the provided Metric is consistent with the
 // provided MetricFamily. It also hashed the Metric labels and the MetricFamily
-// name. If the resulting hash is alread in the provided metricHashes, an error
+// name. If the resulting hash is already in the provided metricHashes, an error
 // is returned. If not, it is added to metricHashes. The provided dimHashes maps
 // MetricFamily names to their dimHash (hashed sorted label names). If dimHashes
 // doesn't yet contain a hash for the provided MetricFamily, it is

vendor/github.com/prometheus/client_golang/prometheus/summary.go

@@ -36,7 +36,10 @@ const quantileLabel = "quantile"
 //
 // A typical use-case is the observation of request latencies. By default, a
 // Summary provides the median, the 90th and the 99th percentile of the latency
-// as rank estimations.
+// as rank estimations. However, the default behavior will change in the
+// upcoming v0.10 of the library. There will be no rank estiamtions at all by
+// default. For a sane transition, it is recommended to set the desired rank
+// estimations explicitly.
 //
 // Note that the rank estimations cannot be aggregated in a meaningful way with
 // the Prometheus query language (i.e. you cannot average or add them). If you
@@ -78,8 +81,10 @@ const (
 )
 
 // SummaryOpts bundles the options for creating a Summary metric. It is
-// mandatory to set Name and Help to a non-empty string. All other fields are
-// optional and can safely be left at their zero value.
+// mandatory to set Name and Help to a non-empty string. While all other fields
+// are optional and can safely be left at their zero value, it is recommended to
+// explicitly set the Objectives field to the desired value as the default value
+// will change in the upcoming v0.10 of the library.
 type SummaryOpts struct {
 	// Namespace, Subsystem, and Name are components of the fully-qualified
 	// name of the Summary (created by joining these components with
@@ -96,23 +101,16 @@ type SummaryOpts struct {
 	// string.
 	Help string
 
-	// ConstLabels are used to attach fixed labels to this
-	// Summary. Summaries with the same fully-qualified name must have the
-	// same label names in their ConstLabels.
+	// ConstLabels are used to attach fixed labels to this metric. Metrics
+	// with the same fully-qualified name must have the same label names in
+	// their ConstLabels.
 	//
-	// Note that in most cases, labels have a value that varies during the
-	// lifetime of a process. Those labels are usually managed with a
-	// SummaryVec. ConstLabels serve only special purposes. One is for the
-	// special case where the value of a label does not change during the
-	// lifetime of a process, e.g. if the revision of the running binary is
-	// put into a label. Another, more advanced purpose is if more than one
-	// Collector needs to collect Summaries with the same fully-qualified
-	// name. In that case, those Summaries must differ in the values of
-	// their ConstLabels. See the Collector examples.
-	//
-	// If the value of a label never changes (not even between binaries),
-	// that label most likely should not be a label at all (but part of the
-	// metric name).
+	// ConstLabels are only used rarely. In particular, do not use them to
+	// attach the same labels to all your metrics. Those use cases are
+	// better covered by target labels set by the scraping Prometheus
+	// server, or by one specific metric (e.g. a build_info or a
+	// machine_role metric). See also
+	// https://prometheus.io/docs/instrumenting/writing_exporters/#target-labels,-not-static-scraped-labels
 	ConstLabels Labels
 
 	// Objectives defines the quantile rank estimates with their respective
@@ -428,13 +426,13 @@ func NewSummaryVec(opts SummaryOpts, labelNames []string) *SummaryVec {
 //
 // Keeping the Summary for later use is possible (and should be considered if
 // performance is critical), but keep in mind that Reset, DeleteLabelValues and
-// Delete can be used to delete the Summary from the SummaryVec. In that case, the
-// Summary will still exist, but it will not be exported anymore, even if a
+// Delete can be used to delete the Summary from the SummaryVec. In that case,
+// the Summary will still exist, but it will not be exported anymore, even if a
 // Summary with the same label values is created later. See also the CounterVec
 // example.
 //
 // An error is returned if the number of label values is not the same as the
-// number of VariableLabels in Desc.
+// number of VariableLabels in Desc (minus any curried labels).
 //
 // Note that for more than one label value, this method is prone to mistakes
 // caused by an incorrect order of arguments. Consider GetMetricWith(Labels) as
@@ -442,8 +440,8 @@ func NewSummaryVec(opts SummaryOpts, labelNames []string) *SummaryVec {
 // latter has a much more readable (albeit more verbose) syntax, but it comes
 // with a performance overhead (for creating and processing the Labels map).
 // See also the GaugeVec example.
-func (m *SummaryVec) GetMetricWithLabelValues(lvs ...string) (Observer, error) {
-	metric, err := m.metricVec.getMetricWithLabelValues(lvs...)
+func (v *SummaryVec) GetMetricWithLabelValues(lvs ...string) (Observer, error) {
+	metric, err := v.metricVec.getMetricWithLabelValues(lvs...)
 	if metric != nil {
 		return metric.(Observer), err
 	}
@@ -457,13 +455,13 @@ func (m *SummaryVec) GetMetricWithLabelValues(lvs ...string) (Observer, error) {
 // the same as for GetMetricWithLabelValues.
 //
 // An error is returned if the number and names of the Labels are inconsistent
-// with those of the VariableLabels in Desc.
+// with those of the VariableLabels in Desc (minus any curried labels).
 //
 // This method is used for the same purpose as
 // GetMetricWithLabelValues(...string). See there for pros and cons of the two
 // methods.
-func (m *SummaryVec) GetMetricWith(labels Labels) (Observer, error) {
-	metric, err := m.metricVec.getMetricWith(labels)
+func (v *SummaryVec) GetMetricWith(labels Labels) (Observer, error) {
+	metric, err := v.metricVec.getMetricWith(labels)
 	if metric != nil {
 		return metric.(Observer), err
 	}
@@ -471,18 +469,57 @@ func (m *SummaryVec) GetMetricWith(labels Labels) (Observer, error) {
 }
 
 // WithLabelValues works as GetMetricWithLabelValues, but panics where
-// GetMetricWithLabelValues would have returned an error. By not returning an
-// error, WithLabelValues allows shortcuts like
+// GetMetricWithLabelValues would have returned an error. Not returning an
+// error allows shortcuts like
 //     myVec.WithLabelValues("404", "GET").Observe(42.21)
-func (m *SummaryVec) WithLabelValues(lvs ...string) Observer {
-	return m.metricVec.withLabelValues(lvs...).(Observer)
+func (v *SummaryVec) WithLabelValues(lvs ...string) Observer {
+	s, err := v.GetMetricWithLabelValues(lvs...)
+	if err != nil {
+		panic(err)
+	}
+	return s
 }
 
 // With works as GetMetricWith, but panics where GetMetricWithLabels would have
-// returned an error. By not returning an error, With allows shortcuts like
-//     myVec.With(Labels{"code": "404", "method": "GET"}).Observe(42.21)
-func (m *SummaryVec) With(labels Labels) Observer {
-	return m.metricVec.with(labels).(Observer)
+// returned an error. Not returning an error allows shortcuts like
+//     myVec.With(prometheus.Labels{"code": "404", "method": "GET"}).Observe(42.21)
+func (v *SummaryVec) With(labels Labels) Observer {
+	s, err := v.GetMetricWith(labels)
+	if err != nil {
+		panic(err)
+	}
+	return s
+}
+
+// CurryWith returns a vector curried with the provided labels, i.e. the
+// returned vector has those labels pre-set for all labeled operations performed
+// on it. The cardinality of the curried vector is reduced accordingly. The
+// order of the remaining labels stays the same (just with the curried labels
+// taken out of the sequence – which is relevant for the
+// (GetMetric)WithLabelValues methods). It is possible to curry a curried
+// vector, but only with labels not yet used for currying before.
+//
+// The metrics contained in the SummaryVec are shared between the curried and
+// uncurried vectors. They are just accessed differently. Curried and uncurried
+// vectors behave identically in terms of collection. Only one must be
+// registered with a given registry (usually the uncurried version). The Reset
+// method deletes all metrics, even if called on a curried vector.
+func (v *SummaryVec) CurryWith(labels Labels) (ObserverVec, error) {
+	vec, err := v.curryWith(labels)
+	if vec != nil {
+		return &SummaryVec{vec}, err
+	}
+	return nil, err
+}
+
+// MustCurryWith works as CurryWith but panics where CurryWith would have
+// returned an error.
+func (v *SummaryVec) MustCurryWith(labels Labels) ObserverVec {
+	vec, err := v.CurryWith(labels)
+	if err != nil {
+		panic(err)
+	}
+	return vec
 }
 
 type constSummary struct {

vendor/github.com/prometheus/client_golang/prometheus/value.go

@@ -15,10 +15,7 @@ package prometheus
 
 import (
 	"fmt"
-	"math"
 	"sort"
-	"sync/atomic"
-	"time"
 
 	dto "github.com/prometheus/client_model/go"
 
@@ -36,79 +33,6 @@ const (
 	UntypedValue
 )
 
-// value is a generic metric for simple values. It implements Metric, Collector,
-// Counter, Gauge, and Untyped. Its effective type is determined by
-// ValueType. This is a low-level building block used by the library to back the
-// implementations of Counter, Gauge, and Untyped.
-type value struct {
-	// valBits contains the bits of the represented float64 value. It has
-	// to go first in the struct to guarantee alignment for atomic
-	// operations.  http://golang.org/pkg/sync/atomic/#pkg-note-BUG
-	valBits uint64
-
-	selfCollector
-
-	desc       *Desc
-	valType    ValueType
-	labelPairs []*dto.LabelPair
-}
-
-// newValue returns a newly allocated value with the given Desc, ValueType,
-// sample value and label values. It panics if the number of label
-// values is different from the number of variable labels in Desc.
-func newValue(desc *Desc, valueType ValueType, val float64, labelValues ...string) *value {
-	if len(labelValues) != len(desc.variableLabels) {
-		panic(errInconsistentCardinality)
-	}
-	result := &value{
-		desc:       desc,
-		valType:    valueType,
-		valBits:    math.Float64bits(val),
-		labelPairs: makeLabelPairs(desc, labelValues),
-	}
-	result.init(result)
-	return result
-}
-
-func (v *value) Desc() *Desc {
-	return v.desc
-}
-
-func (v *value) Set(val float64) {
-	atomic.StoreUint64(&v.valBits, math.Float64bits(val))
-}
-
-func (v *value) SetToCurrentTime() {
-	v.Set(float64(time.Now().UnixNano()) / 1e9)
-}
-
-func (v *value) Inc() {
-	v.Add(1)
-}
-
-func (v *value) Dec() {
-	v.Add(-1)
-}
-
-func (v *value) Add(val float64) {
-	for {
-		oldBits := atomic.LoadUint64(&v.valBits)
-		newBits := math.Float64bits(math.Float64frombits(oldBits) + val)
-		if atomic.CompareAndSwapUint64(&v.valBits, oldBits, newBits) {
-			return
-		}
-	}
-}
-
-func (v *value) Sub(val float64) {
-	v.Add(val * -1)
-}
-
-func (v *value) Write(out *dto.Metric) error {
-	val := math.Float64frombits(atomic.LoadUint64(&v.valBits))
-	return populateMetric(v.valType, val, v.labelPairs, out)
-}
-
 // valueFunc is a generic metric for simple values retrieved on collect time
 // from a function. It implements Metric and Collector. Its effective type is
 // determined by ValueType. This is a low-level building block used by the

vendor/github.com/prometheus/client_golang/prometheus/vec.go

@@ -23,88 +23,31 @@ import (
 // metricVec is a Collector to bundle metrics of the same name that differ in
 // their label values. metricVec is not used directly (and therefore
 // unexported). It is used as a building block for implementations of vectors of
-// a given metric type, like GaugeVec, CounterVec, SummaryVec, HistogramVec, and
-// UntypedVec.
+// a given metric type, like GaugeVec, CounterVec, SummaryVec, and HistogramVec.
+// It also handles label currying. It uses basicMetricVec internally.
 type metricVec struct {
-	mtx      sync.RWMutex // Protects the children.
-	children map[uint64][]metricWithLabelValues
-	desc     *Desc
+	*metricMap
 
-	newMetric   func(labelValues ...string) Metric
-	hashAdd     func(h uint64, s string) uint64 // replace hash function for testing collision handling
+	curry []curriedLabelValue
+
+	// hashAdd and hashAddByte can be replaced for testing collision handling.
+	hashAdd     func(h uint64, s string) uint64
 	hashAddByte func(h uint64, b byte) uint64
 }
 
 // newMetricVec returns an initialized metricVec.
 func newMetricVec(desc *Desc, newMetric func(lvs ...string) Metric) *metricVec {
 	return &metricVec{
-		children:    map[uint64][]metricWithLabelValues{},
-		desc:        desc,
-		newMetric:   newMetric,
+		metricMap: &metricMap{
+			metrics:   map[uint64][]metricWithLabelValues{},
+			desc:      desc,
+			newMetric: newMetric,
+		},
 		hashAdd:     hashAdd,
 		hashAddByte: hashAddByte,
 	}
 }
 
-// metricWithLabelValues provides the metric and its label values for
-// disambiguation on hash collision.
-type metricWithLabelValues struct {
-	values []string
-	metric Metric
-}
-
-// Describe implements Collector. The length of the returned slice
-// is always one.
-func (m *metricVec) Describe(ch chan<- *Desc) {
-	ch <- m.desc
-}
-
-// Collect implements Collector.
-func (m *metricVec) Collect(ch chan<- Metric) {
-	m.mtx.RLock()
-	defer m.mtx.RUnlock()
-
-	for _, metrics := range m.children {
-		for _, metric := range metrics {
-			ch <- metric.metric
-		}
-	}
-}
-
-func (m *metricVec) getMetricWithLabelValues(lvs ...string) (Metric, error) {
-	h, err := m.hashLabelValues(lvs)
-	if err != nil {
-		return nil, err
-	}
-
-	return m.getOrCreateMetricWithLabelValues(h, lvs), nil
-}
-
-func (m *metricVec) getMetricWith(labels Labels) (Metric, error) {
-	h, err := m.hashLabels(labels)
-	if err != nil {
-		return nil, err
-	}
-
-	return m.getOrCreateMetricWithLabels(h, labels), nil
-}
-
-func (m *metricVec) withLabelValues(lvs ...string) Metric {
-	metric, err := m.getMetricWithLabelValues(lvs...)
-	if err != nil {
-		panic(err)
-	}
-	return metric
-}
-
-func (m *metricVec) with(labels Labels) Metric {
-	metric, err := m.getMetricWith(labels)
-	if err != nil {
-		panic(err)
-	}
-	return metric
-}
-
 // DeleteLabelValues removes the metric where the variable labels are the same
 // as those passed in as labels (same order as the VariableLabels in Desc). It
 // returns true if a metric was deleted.
@@ -121,14 +64,12 @@ func (m *metricVec) with(labels Labels) Metric {
 // with a performance overhead (for creating and processing the Labels map).
 // See also the CounterVec example.
 func (m *metricVec) DeleteLabelValues(lvs ...string) bool {
-	m.mtx.Lock()
-	defer m.mtx.Unlock()
-
 	h, err := m.hashLabelValues(lvs)
 	if err != nil {
 		return false
 	}
-	return m.deleteByHashWithLabelValues(h, lvs)
+
+	return m.metricMap.deleteByHashWithLabelValues(h, lvs, m.curry)
 }
 
 // Delete deletes the metric where the variable labels are the same as those
@@ -142,35 +83,190 @@ func (m *metricVec) DeleteLabelValues(lvs ...string) bool {
 // This method is used for the same purpose as DeleteLabelValues(...string). See
 // there for pros and cons of the two methods.
 func (m *metricVec) Delete(labels Labels) bool {
-	m.mtx.Lock()
-	defer m.mtx.Unlock()
-
 	h, err := m.hashLabels(labels)
 	if err != nil {
 		return false
 	}
 
-	return m.deleteByHashWithLabels(h, labels)
+	return m.metricMap.deleteByHashWithLabels(h, labels, m.curry)
+}
+
+func (m *metricVec) curryWith(labels Labels) (*metricVec, error) {
+	var (
+		newCurry []curriedLabelValue
+		oldCurry = m.curry
+		iCurry   int
+	)
+	for i, label := range m.desc.variableLabels {
+		val, ok := labels[label]
+		if iCurry < len(oldCurry) && oldCurry[iCurry].index == i {
+			if ok {
+				return nil, fmt.Errorf("label name %q is already curried", label)
+			}
+			newCurry = append(newCurry, oldCurry[iCurry])
+			iCurry++
+		} else {
+			if !ok {
+				continue // Label stays uncurried.
+			}
+			newCurry = append(newCurry, curriedLabelValue{i, val})
+		}
+	}
+	if l := len(oldCurry) + len(labels) - len(newCurry); l > 0 {
+		return nil, fmt.Errorf("%d unknown label(s) found during currying", l)
+	}
+
+	return &metricVec{
+		metricMap:   m.metricMap,
+		curry:       newCurry,
+		hashAdd:     m.hashAdd,
+		hashAddByte: m.hashAddByte,
+	}, nil
+}
+
+func (m *metricVec) getMetricWithLabelValues(lvs ...string) (Metric, error) {
+	h, err := m.hashLabelValues(lvs)
+	if err != nil {
+		return nil, err
+	}
+
+	return m.metricMap.getOrCreateMetricWithLabelValues(h, lvs, m.curry), nil
+}
+
+func (m *metricVec) getMetricWith(labels Labels) (Metric, error) {
+	h, err := m.hashLabels(labels)
+	if err != nil {
+		return nil, err
+	}
+
+	return m.metricMap.getOrCreateMetricWithLabels(h, labels, m.curry), nil
+}
+
+func (m *metricVec) hashLabelValues(vals []string) (uint64, error) {
+	if err := validateLabelValues(vals, len(m.desc.variableLabels)-len(m.curry)); err != nil {
+		return 0, err
+	}
+
+	var (
+		h             = hashNew()
+		curry         = m.curry
+		iVals, iCurry int
+	)
+	for i := 0; i < len(m.desc.variableLabels); i++ {
+		if iCurry < len(curry) && curry[iCurry].index == i {
+			h = m.hashAdd(h, curry[iCurry].value)
+			iCurry++
+		} else {
+			h = m.hashAdd(h, vals[iVals])
+			iVals++
+		}
+		h = m.hashAddByte(h, model.SeparatorByte)
+	}
+	return h, nil
+}
+
+func (m *metricVec) hashLabels(labels Labels) (uint64, error) {
+	if err := validateValuesInLabels(labels, len(m.desc.variableLabels)-len(m.curry)); err != nil {
+		return 0, err
+	}
+
+	var (
+		h      = hashNew()
+		curry  = m.curry
+		iCurry int
+	)
+	for i, label := range m.desc.variableLabels {
+		val, ok := labels[label]
+		if iCurry < len(curry) && curry[iCurry].index == i {
+			if ok {
+				return 0, fmt.Errorf("label name %q is already curried", label)
+			}
+			h = m.hashAdd(h, curry[iCurry].value)
+			iCurry++
+		} else {
+			if !ok {
+				return 0, fmt.Errorf("label name %q missing in label map", label)
+			}
+			h = m.hashAdd(h, val)
+		}
+		h = m.hashAddByte(h, model.SeparatorByte)
+	}
+	return h, nil
+}
+
+// metricWithLabelValues provides the metric and its label values for
+// disambiguation on hash collision.
+type metricWithLabelValues struct {
+	values []string
+	metric Metric
+}
+
+// curriedLabelValue sets the curried value for a label at the given index.
+type curriedLabelValue struct {
+	index int
+	value string
+}
+
+// metricMap is a helper for metricVec and shared between differently curried
+// metricVecs.
+type metricMap struct {
+	mtx       sync.RWMutex // Protects metrics.
+	metrics   map[uint64][]metricWithLabelValues
+	desc      *Desc
+	newMetric func(labelValues ...string) Metric
+}
+
+// Describe implements Collector. It will send exactly one Desc to the provided
+// channel.
+func (m *metricMap) Describe(ch chan<- *Desc) {
+	ch <- m.desc
+}
+
+// Collect implements Collector.
+func (m *metricMap) Collect(ch chan<- Metric) {
+	m.mtx.RLock()
+	defer m.mtx.RUnlock()
+
+	for _, metrics := range m.metrics {
+		for _, metric := range metrics {
+			ch <- metric.metric
+		}
+	}
+}
+
+// Reset deletes all metrics in this vector.
+func (m *metricMap) Reset() {
+	m.mtx.Lock()
+	defer m.mtx.Unlock()
+
+	for h := range m.metrics {
+		delete(m.metrics, h)
+	}
 }
 
 // deleteByHashWithLabelValues removes the metric from the hash bucket h. If
 // there are multiple matches in the bucket, use lvs to select a metric and
 // remove only that metric.
-func (m *metricVec) deleteByHashWithLabelValues(h uint64, lvs []string) bool {
-	metrics, ok := m.children[h]
+func (m *metricMap) deleteByHashWithLabelValues(
+	h uint64, lvs []string, curry []curriedLabelValue,
+) bool {
+	m.mtx.Lock()
+	defer m.mtx.Unlock()
+
+	metrics, ok := m.metrics[h]
 	if !ok {
 		return false
 	}
 
-	i := m.findMetricWithLabelValues(metrics, lvs)
+	i := findMetricWithLabelValues(metrics, lvs, curry)
 	if i >= len(metrics) {
 		return false
 	}
 
 	if len(metrics) > 1 {
-		m.children[h] = append(metrics[:i], metrics[i+1:]...)
+		m.metrics[h] = append(metrics[:i], metrics[i+1:]...)
 	} else {
-		delete(m.children, h)
+		delete(m.metrics, h)
 	}
 	return true
 }
@@ -178,71 +274,35 @@ func (m *metricVec) deleteByHashWithLabelValues(h uint64, lvs []string) bool {
 // deleteByHashWithLabels removes the metric from the hash bucket h. If there
 // are multiple matches in the bucket, use lvs to select a metric and remove
 // only that metric.
-func (m *metricVec) deleteByHashWithLabels(h uint64, labels Labels) bool {
-	metrics, ok := m.children[h]
+func (m *metricMap) deleteByHashWithLabels(
+	h uint64, labels Labels, curry []curriedLabelValue,
+) bool {
+	metrics, ok := m.metrics[h]
 	if !ok {
 		return false
 	}
-	i := m.findMetricWithLabels(metrics, labels)
+	i := findMetricWithLabels(m.desc, metrics, labels, curry)
 	if i >= len(metrics) {
 		return false
 	}
 
 	if len(metrics) > 1 {
-		m.children[h] = append(metrics[:i], metrics[i+1:]...)
+		m.metrics[h] = append(metrics[:i], metrics[i+1:]...)
 	} else {
-		delete(m.children, h)
+		delete(m.metrics, h)
 	}
 	return true
 }
 
-// Reset deletes all metrics in this vector.
-func (m *metricVec) Reset() {
-	m.mtx.Lock()
-	defer m.mtx.Unlock()
-
-	for h := range m.children {
-		delete(m.children, h)
-	}
-}
-
-func (m *metricVec) hashLabelValues(vals []string) (uint64, error) {
-	if err := validateLabelValues(vals, len(m.desc.variableLabels)); err != nil {
-		return 0, err
-	}
-
-	h := hashNew()
-	for _, val := range vals {
-		h = m.hashAdd(h, val)
-		h = m.hashAddByte(h, model.SeparatorByte)
-	}
-	return h, nil
-}
-
-func (m *metricVec) hashLabels(labels Labels) (uint64, error) {
-	if err := validateValuesInLabels(labels, len(m.desc.variableLabels)); err != nil {
-		return 0, err
-	}
-
-	h := hashNew()
-	for _, label := range m.desc.variableLabels {
-		val, ok := labels[label]
-		if !ok {
-			return 0, fmt.Errorf("label name %q missing in label map", label)
-		}
-		h = m.hashAdd(h, val)
-		h = m.hashAddByte(h, model.SeparatorByte)
-	}
-	return h, nil
-}
-
 // getOrCreateMetricWithLabelValues retrieves the metric by hash and label value
 // or creates it and returns the new one.
 //
 // This function holds the mutex.
-func (m *metricVec) getOrCreateMetricWithLabelValues(hash uint64, lvs []string) Metric {
+func (m *metricMap) getOrCreateMetricWithLabelValues(
+	hash uint64, lvs []string, curry []curriedLabelValue,
+) Metric {
 	m.mtx.RLock()
-	metric, ok := m.getMetricWithHashAndLabelValues(hash, lvs)
+	metric, ok := m.getMetricWithHashAndLabelValues(hash, lvs, curry)
 	m.mtx.RUnlock()
 	if ok {
 		return metric
@@ -250,13 +310,11 @@ func (m *metricVec) getOrCreateMetricWithLabelValues(hash uint64, lvs []string)
 
 	m.mtx.Lock()
 	defer m.mtx.Unlock()
-	metric, ok = m.getMetricWithHashAndLabelValues(hash, lvs)
+	metric, ok = m.getMetricWithHashAndLabelValues(hash, lvs, curry)
 	if !ok {
-		// Copy to avoid allocation in case wo don't go down this code path.
-		copiedLVs := make([]string, len(lvs))
-		copy(copiedLVs, lvs)
-		metric = m.newMetric(copiedLVs...)
-		m.children[hash] = append(m.children[hash], metricWithLabelValues{values: copiedLVs, metric: metric})
+		inlinedLVs := inlineLabelValues(lvs, curry)
+		metric = m.newMetric(inlinedLVs...)
+		m.metrics[hash] = append(m.metrics[hash], metricWithLabelValues{values: inlinedLVs, metric: metric})
 	}
 	return metric
 }
@@ -265,9 +323,11 @@ func (m *metricVec) getOrCreateMetricWithLabelValues(hash uint64, lvs []string)
 // or creates it and returns the new one.
 //
 // This function holds the mutex.
-func (m *metricVec) getOrCreateMetricWithLabels(hash uint64, labels Labels) Metric {
+func (m *metricMap) getOrCreateMetricWithLabels(
+	hash uint64, labels Labels, curry []curriedLabelValue,
+) Metric {
 	m.mtx.RLock()
-	metric, ok := m.getMetricWithHashAndLabels(hash, labels)
+	metric, ok := m.getMetricWithHashAndLabels(hash, labels, curry)
 	m.mtx.RUnlock()
 	if ok {
 		return metric
@@ -275,21 +335,23 @@ func (m *metricVec) getOrCreateMetricWithLabels(hash uint64, labels Labels) Metr
 
 	m.mtx.Lock()
 	defer m.mtx.Unlock()
-	metric, ok = m.getMetricWithHashAndLabels(hash, labels)
+	metric, ok = m.getMetricWithHashAndLabels(hash, labels, curry)
 	if !ok {
-		lvs := m.extractLabelValues(labels)
+		lvs := extractLabelValues(m.desc, labels, curry)
 		metric = m.newMetric(lvs...)
-		m.children[hash] = append(m.children[hash], metricWithLabelValues{values: lvs, metric: metric})
+		m.metrics[hash] = append(m.metrics[hash], metricWithLabelValues{values: lvs, metric: metric})
 	}
 	return metric
 }
 
 // getMetricWithHashAndLabelValues gets a metric while handling possible
 // collisions in the hash space. Must be called while holding the read mutex.
-func (m *metricVec) getMetricWithHashAndLabelValues(h uint64, lvs []string) (Metric, bool) {
-	metrics, ok := m.children[h]
+func (m *metricMap) getMetricWithHashAndLabelValues(
+	h uint64, lvs []string, curry []curriedLabelValue,
+) (Metric, bool) {
+	metrics, ok := m.metrics[h]
 	if ok {
-		if i := m.findMetricWithLabelValues(metrics, lvs); i < len(metrics) {
+		if i := findMetricWithLabelValues(metrics, lvs, curry); i < len(metrics) {
 			return metrics[i].metric, true
 		}
 	}
@@ -298,10 +360,12 @@ func (m *metricVec) getMetricWithHashAndLabelValues(h uint64, lvs []string) (Met
 
 // getMetricWithHashAndLabels gets a metric while handling possible collisions in
 // the hash space. Must be called while holding read mutex.
-func (m *metricVec) getMetricWithHashAndLabels(h uint64, labels Labels) (Metric, bool) {
-	metrics, ok := m.children[h]
+func (m *metricMap) getMetricWithHashAndLabels(
+	h uint64, labels Labels, curry []curriedLabelValue,
+) (Metric, bool) {
+	metrics, ok := m.metrics[h]
 	if ok {
-		if i := m.findMetricWithLabels(metrics, labels); i < len(metrics) {
+		if i := findMetricWithLabels(m.desc, metrics, labels, curry); i < len(metrics) {
 			return metrics[i].metric, true
 		}
 	}
@@ -310,9 +374,11 @@ func (m *metricVec) getMetricWithHashAndLabels(h uint64, labels Labels) (Metric,
 
 // findMetricWithLabelValues returns the index of the matching metric or
 // len(metrics) if not found.
-func (m *metricVec) findMetricWithLabelValues(metrics []metricWithLabelValues, lvs []string) int {
+func findMetricWithLabelValues(
+	metrics []metricWithLabelValues, lvs []string, curry []curriedLabelValue,
+) int {
 	for i, metric := range metrics {
-		if m.matchLabelValues(metric.values, lvs) {
+		if matchLabelValues(metric.values, lvs, curry) {
 			return i
 		}
 	}
@@ -321,32 +387,51 @@ func (m *metricVec) findMetricWithLabelValues(metrics []metricWithLabelValues, l
 
 // findMetricWithLabels returns the index of the matching metric or len(metrics)
 // if not found.
-func (m *metricVec) findMetricWithLabels(metrics []metricWithLabelValues, labels Labels) int {
+func findMetricWithLabels(
+	desc *Desc, metrics []metricWithLabelValues, labels Labels, curry []curriedLabelValue,
+) int {
 	for i, metric := range metrics {
-		if m.matchLabels(metric.values, labels) {
+		if matchLabels(desc, metric.values, labels, curry) {
 			return i
 		}
 	}
 	return len(metrics)
 }
 
-func (m *metricVec) matchLabelValues(values []string, lvs []string) bool {
-	if len(values) != len(lvs) {
+func matchLabelValues(values []string, lvs []string, curry []curriedLabelValue) bool {
+	if len(values) != len(lvs)+len(curry) {
 		return false
 	}
+	var iLVs, iCurry int
 	for i, v := range values {
-		if v != lvs[i] {
+		if iCurry < len(curry) && curry[iCurry].index == i {
+			if v != curry[iCurry].value {
+				return false
+			}
+			iCurry++
+			continue
+		}
+		if v != lvs[iLVs] {
 			return false
 		}
+		iLVs++
 	}
 	return true
 }
 
-func (m *metricVec) matchLabels(values []string, labels Labels) bool {
-	if len(labels) != len(values) {
+func matchLabels(desc *Desc, values []string, labels Labels, curry []curriedLabelValue) bool {
+	if len(values) != len(labels)+len(curry) {
 		return false
 	}
-	for i, k := range m.desc.variableLabels {
+	iCurry := 0
+	for i, k := range desc.variableLabels {
+		if iCurry < len(curry) && curry[iCurry].index == i {
+			if values[i] != curry[iCurry].value {
+				return false
+			}
+			iCurry++
+			continue
+		}
 		if values[i] != labels[k] {
 			return false
 		}
@@ -354,10 +439,31 @@ func (m *metricVec) matchLabels(values []string, labels Labels) bool {
 	return true
 }
 
-func (m *metricVec) extractLabelValues(labels Labels) []string {
-	labelValues := make([]string, len(labels))
-	for i, k := range m.desc.variableLabels {
+func extractLabelValues(desc *Desc, labels Labels, curry []curriedLabelValue) []string {
+	labelValues := make([]string, len(labels)+len(curry))
+	iCurry := 0
+	for i, k := range desc.variableLabels {
+		if iCurry < len(curry) && curry[iCurry].index == i {
+			labelValues[i] = curry[iCurry].value
+			iCurry++
+			continue
+		}
 		labelValues[i] = labels[k]
 	}
 	return labelValues
 }
+
+func inlineLabelValues(lvs []string, curry []curriedLabelValue) []string {
+	labelValues := make([]string, len(lvs)+len(curry))
+	var iCurry, iLVs int
+	for i := range labelValues {
+		if iCurry < len(curry) && curry[iCurry].index == i {
+			labelValues[i] = curry[iCurry].value
+			iCurry++
+			continue
+		}
+		labelValues[i] = lvs[iLVs]
+		iLVs++
+	}
+	return labelValues
+}

vendor/github.com/prometheus/common/log/log.go

@@ -56,11 +56,11 @@ func (s *loggerSettings) apply(ctx *kingpin.ParseContext) error {
 // To use the default Kingpin application, call AddFlags(kingpin.CommandLine)
 func AddFlags(a *kingpin.Application) {
 	s := loggerSettings{}
-	kingpin.Flag("log.level", "Only log messages with the given severity or above. Valid levels: [debug, info, warn, error, fatal]").
+	a.Flag("log.level", "Only log messages with the given severity or above. Valid levels: [debug, info, warn, error, fatal]").
 		Default(origLogger.Level.String()).
 		StringVar(&s.level)
 	defaultFormat := url.URL{Scheme: "logger", Opaque: "stderr"}
-	kingpin.Flag("log.format", `Set the log target and format. Example: "logger:syslog?appname=bob&local=7" or "logger:stdout?json=true"`).
+	a.Flag("log.format", `Set the log target and format. Example: "logger:syslog?appname=bob&local=7" or "logger:stdout?json=true"`).
 		Default(defaultFormat.String()).
 		StringVar(&s.format)
 	a.Action(s.apply)

vendor/github.com/prometheus/common/model/time.go

@@ -214,6 +214,9 @@ func (d Duration) String() string {
 		ms   = int64(time.Duration(d) / time.Millisecond)
 		unit = "ms"
 	)
+	if ms == 0 {
+		return "0s"
+	}
 	factors := map[string]int64{
 		"y":  1000 * 60 * 60 * 24 * 365,
 		"w":  1000 * 60 * 60 * 24 * 7,

vendor/github.com/prometheus/procfs/bcache/get.go

@@ -61,7 +61,7 @@ func dehumanize(hbytes []byte) (uint64, error) {
 	mul := float64(1)
 	var (
 		mant float64
-		err error
+		err  error
 	)
 	// If lastByte is beyond the range of ASCII digits, it must be a
 	// multiplier.
@@ -93,7 +93,7 @@ func dehumanize(hbytes []byte) (uint64, error) {
 			'Z': ZiB,
 			'Y': YiB,
 		}
-		mul = float64(multipliers[rune(lastByte)])
+		mul = multipliers[rune(lastByte)]
 		mant, err = parsePseudoFloat(string(hbytes))
 		if err != nil {
 			return 0, err
@@ -139,10 +139,10 @@ func (p *parser) readValue(fileName string) uint64 {
 }
 
 // ParsePriorityStats parses lines from the priority_stats file.
-func parsePriorityStats(line string, ps *PriorityStats) (error) {
+func parsePriorityStats(line string, ps *PriorityStats) error {
 	var (
 		value uint64
-		err error
+		err   error
 	)
 	switch {
 	case strings.HasPrefix(line, "Unused:"):

vendor/github.com/prometheus/procfs/buddyinfo.go

@@ -62,7 +62,7 @@ func parseBuddyInfo(r io.Reader) ([]BuddyInfo, error) {
 	for scanner.Scan() {
 		var err error
 		line := scanner.Text()
-		parts := strings.Fields(string(line))
+		parts := strings.Fields(line)
 
 		if len(parts) < 4 {
 			return nil, fmt.Errorf("invalid number of fields when parsing buddyinfo")

vendor/github.com/prometheus/procfs/fs.go

@@ -5,6 +5,7 @@ import (
 	"os"
 	"path"
 
+	"github.com/prometheus/procfs/nfs"
 	"github.com/prometheus/procfs/xfs"
 )
 
@@ -44,3 +45,25 @@ func (fs FS) XFSStats() (*xfs.Stats, error) {
 
 	return xfs.ParseStats(f)
 }
+
+// NFSdClientRPCStats retrieves NFS daemon RPC statistics.
+func (fs FS) NFSdClientRPCStats() (*nfs.ClientRPCStats, error) {
+	f, err := os.Open(fs.Path("net/rpc/nfs"))
+	if err != nil {
+		return nil, err
+	}
+	defer f.Close()
+
+	return nfs.ParseClientRPCStats(f)
+}
+
+// NFSdServerRPCStats retrieves NFS daemon RPC statistics.
+func (fs FS) NFSdServerRPCStats() (*nfs.ServerRPCStats, error) {
+	f, err := os.Open(fs.Path("net/rpc/nfsd"))
+	if err != nil {
+		return nil, err
+	}
+	defer f.Close()
+
+	return nfs.ParseServerRPCStats(f)
+}

vendor/github.com/prometheus/procfs/internal/util/parse.go

@@ -0,0 +1,46 @@
+// Copyright 2018 The Prometheus Authors
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+// http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
+package util
+
+import "strconv"
+
+// ParseUint32s parses a slice of strings into a slice of uint32s.
+func ParseUint32s(ss []string) ([]uint32, error) {
+	us := make([]uint32, 0, len(ss))
+	for _, s := range ss {
+		u, err := strconv.ParseUint(s, 10, 32)
+		if err != nil {
+			return nil, err
+		}
+
+		us = append(us, uint32(u))
+	}
+
+	return us, nil
+}
+
+// ParseUint64s parses a slice of strings into a slice of uint64s.
+func ParseUint64s(ss []string) ([]uint64, error) {
+	us := make([]uint64, 0, len(ss))
+	for _, s := range ss {
+		u, err := strconv.ParseUint(s, 10, 64)
+		if err != nil {
+			return nil, err
+		}
+
+		us = append(us, u)
+	}
+
+	return us, nil
+}

vendor/github.com/prometheus/procfs/ipvs.go

@@ -31,16 +31,16 @@ type IPVSStats struct {
 type IPVSBackendStatus struct {
 	// The local (virtual) IP address.
 	LocalAddress net.IP
+	// The remote (real) IP address.
+	RemoteAddress net.IP
 	// The local (virtual) port.
 	LocalPort uint16
+	// The remote (real) port.
+	RemotePort uint16
 	// The local firewall mark
 	LocalMark string
 	// The transport protocol (TCP, UDP).
 	Proto string
-	// The remote (real) IP address.
-	RemoteAddress net.IP
-	// The remote (real) port.
-	RemotePort uint16
 	// The current number of active connections for this virtual/real address pair.
 	ActiveConn uint64
 	// The current number of inactive connections for this virtual/real address pair.
@@ -151,7 +151,7 @@ func parseIPVSBackendStatus(file io.Reader) ([]IPVSBackendStatus, error) {
 	)
 
 	for scanner.Scan() {
-		fields := strings.Fields(string(scanner.Text()))
+		fields := strings.Fields(scanner.Text())
 		if len(fields) == 0 {
 			continue
 		}

vendor/github.com/prometheus/procfs/net_dev.go

@@ -0,0 +1,203 @@
+package procfs
+
+import (
+	"bufio"
+	"errors"
+	"os"
+	"sort"
+	"strconv"
+	"strings"
+)
+
+// NetDevLine is single line parsed from /proc/net/dev or /proc/[pid]/net/dev.
+type NetDevLine struct {
+	Name         string `json:"name"`          // The name of the interface.
+	RxBytes      uint64 `json:"rx_bytes"`      // Cumulative count of bytes received.
+	RxPackets    uint64 `json:"rx_packets"`    // Cumulative count of packets received.
+	RxErrors     uint64 `json:"rx_errors"`     // Cumulative count of receive errors encountered.
+	RxDropped    uint64 `json:"rx_dropped"`    // Cumulative count of packets dropped while receiving.
+	RxFIFO       uint64 `json:"rx_fifo"`       // Cumulative count of FIFO buffer errors.
+	RxFrame      uint64 `json:"rx_frame"`      // Cumulative count of packet framing errors.
+	RxCompressed uint64 `json:"rx_compressed"` // Cumulative count of compressed packets received by the device driver.
+	RxMulticast  uint64 `json:"rx_multicast"`  // Cumulative count of multicast frames received by the device driver.
+	TxBytes      uint64 `json:"tx_bytes"`      // Cumulative count of bytes transmitted.
+	TxPackets    uint64 `json:"tx_packets"`    // Cumulative count of packets transmitted.
+	TxErrors     uint64 `json:"tx_errors"`     // Cumulative count of transmit errors encountered.
+	TxDropped    uint64 `json:"tx_dropped"`    // Cumulative count of packets dropped while transmitting.
+	TxFIFO       uint64 `json:"tx_fifo"`       // Cumulative count of FIFO buffer errors.
+	TxCollisions uint64 `json:"tx_collisions"` // Cumulative count of collisions detected on the interface.
+	TxCarrier    uint64 `json:"tx_carrier"`    // Cumulative count of carrier losses detected by the device driver.
+	TxCompressed uint64 `json:"tx_compressed"` // Cumulative count of compressed packets transmitted by the device driver.
+}
+
+// NetDev is parsed from /proc/net/dev or /proc/[pid]/net/dev. The map keys
+// are interface names.
+type NetDev map[string]NetDevLine
+
+// NewNetDev returns kernel/system statistics read from /proc/net/dev.
+func NewNetDev() (NetDev, error) {
+	fs, err := NewFS(DefaultMountPoint)
+	if err != nil {
+		return nil, err
+	}
+
+	return fs.NewNetDev()
+}
+
+// NewNetDev returns kernel/system statistics read from /proc/net/dev.
+func (fs FS) NewNetDev() (NetDev, error) {
+	return newNetDev(fs.Path("net/dev"))
+}
+
+// NewNetDev returns kernel/system statistics read from /proc/[pid]/net/dev.
+func (p Proc) NewNetDev() (NetDev, error) {
+	return newNetDev(p.path("net/dev"))
+}
+
+// newNetDev creates a new NetDev from the contents of the given file.
+func newNetDev(file string) (NetDev, error) {
+	f, err := os.Open(file)
+	if err != nil {
+		return NetDev{}, err
+	}
+	defer f.Close()
+
+	nd := NetDev{}
+	s := bufio.NewScanner(f)
+	for n := 0; s.Scan(); n++ {
+		// Skip the 2 header lines.
+		if n < 2 {
+			continue
+		}
+
+		line, err := nd.parseLine(s.Text())
+		if err != nil {
+			return nd, err
+		}
+
+		nd[line.Name] = *line
+	}
+
+	return nd, s.Err()
+}
+
+// parseLine parses a single line from the /proc/net/dev file. Header lines
+// must be filtered prior to calling this method.
+func (nd NetDev) parseLine(rawLine string) (*NetDevLine, error) {
+	parts := strings.SplitN(rawLine, ":", 2)
+	if len(parts) != 2 {
+		return nil, errors.New("invalid net/dev line, missing colon")
+	}
+	fields := strings.Fields(strings.TrimSpace(parts[1]))
+
+	var err error
+	line := &NetDevLine{}
+
+	// Interface Name
+	line.Name = strings.TrimSpace(parts[0])
+	if line.Name == "" {
+		return nil, errors.New("invalid net/dev line, empty interface name")
+	}
+
+	// RX
+	line.RxBytes, err = strconv.ParseUint(fields[0], 10, 64)
+	if err != nil {
+		return nil, err
+	}
+	line.RxPackets, err = strconv.ParseUint(fields[1], 10, 64)
+	if err != nil {
+		return nil, err
+	}
+	line.RxErrors, err = strconv.ParseUint(fields[2], 10, 64)
+	if err != nil {
+		return nil, err
+	}
+	line.RxDropped, err = strconv.ParseUint(fields[3], 10, 64)
+	if err != nil {
+		return nil, err
+	}
+	line.RxFIFO, err = strconv.ParseUint(fields[4], 10, 64)
+	if err != nil {
+		return nil, err
+	}
+	line.RxFrame, err = strconv.ParseUint(fields[5], 10, 64)
+	if err != nil {
+		return nil, err
+	}
+	line.RxCompressed, err = strconv.ParseUint(fields[6], 10, 64)
+	if err != nil {
+		return nil, err
+	}
+	line.RxMulticast, err = strconv.ParseUint(fields[7], 10, 64)
+	if err != nil {
+		return nil, err
+	}
+
+	// TX
+	line.TxBytes, err = strconv.ParseUint(fields[8], 10, 64)
+	if err != nil {
+		return nil, err
+	}
+	line.TxPackets, err = strconv.ParseUint(fields[9], 10, 64)
+	if err != nil {
+		return nil, err
+	}
+	line.TxErrors, err = strconv.ParseUint(fields[10], 10, 64)
+	if err != nil {
+		return nil, err
+	}
+	line.TxDropped, err = strconv.ParseUint(fields[11], 10, 64)
+	if err != nil {
+		return nil, err
+	}
+	line.TxFIFO, err = strconv.ParseUint(fields[12], 10, 64)
+	if err != nil {
+		return nil, err
+	}
+	line.TxCollisions, err = strconv.ParseUint(fields[13], 10, 64)
+	if err != nil {
+		return nil, err
+	}
+	line.TxCarrier, err = strconv.ParseUint(fields[14], 10, 64)
+	if err != nil {
+		return nil, err
+	}
+	line.TxCompressed, err = strconv.ParseUint(fields[15], 10, 64)
+	if err != nil {
+		return nil, err
+	}
+
+	return line, nil
+}
+
+// Total aggregates the values across interfaces and returns a new NetDevLine.
+// The Name field will be a sorted comma seperated list of interface names.
+func (nd NetDev) Total() NetDevLine {
+	total := NetDevLine{}
+
+	names := make([]string, 0, len(nd))
+	for _, ifc := range nd {
+		names = append(names, ifc.Name)
+		total.RxBytes += ifc.RxBytes
+		total.RxPackets += ifc.RxPackets
+		total.RxPackets += ifc.RxPackets
+		total.RxErrors += ifc.RxErrors
+		total.RxDropped += ifc.RxDropped
+		total.RxFIFO += ifc.RxFIFO
+		total.RxFrame += ifc.RxFrame
+		total.RxCompressed += ifc.RxCompressed
+		total.RxMulticast += ifc.RxMulticast
+		total.TxBytes += ifc.TxBytes
+		total.TxPackets += ifc.TxPackets
+		total.TxErrors += ifc.TxErrors
+		total.TxDropped += ifc.TxDropped
+		total.TxFIFO += ifc.TxFIFO
+		total.TxCollisions += ifc.TxCollisions
+		total.TxCarrier += ifc.TxCarrier
+		total.TxCompressed += ifc.TxCompressed
+	}
+	sort.Strings(names)
+	total.Name = strings.Join(names, ", ")
+
+	return total
+}

vendor/github.com/prometheus/procfs/nfs/nfs.go

@@ -0,0 +1,263 @@
+// Copyright 2018 The Prometheus Authors
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+// http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
+// Package nfsd implements parsing of /proc/net/rpc/nfsd.
+// Fields are documented in https://www.svennd.be/nfsd-stats-explained-procnetrpcnfsd/
+package nfs
+
+// ReplyCache models the "rc" line.
+type ReplyCache struct {
+	Hits    uint64
+	Misses  uint64
+	NoCache uint64
+}
+
+// FileHandles models the "fh" line.
+type FileHandles struct {
+	Stale        uint64
+	TotalLookups uint64
+	AnonLookups  uint64
+	DirNoCache   uint64
+	NoDirNoCache uint64
+}
+
+// InputOutput models the "io" line.
+type InputOutput struct {
+	Read  uint64
+	Write uint64
+}
+
+// Threads models the "th" line.
+type Threads struct {
+	Threads uint64
+	FullCnt uint64
+}
+
+// ReadAheadCache models the "ra" line.
+type ReadAheadCache struct {
+	CacheSize      uint64
+	CacheHistogram []uint64
+	NotFound       uint64
+}
+
+// Network models the "net" line.
+type Network struct {
+	NetCount   uint64
+	UDPCount   uint64
+	TCPCount   uint64
+	TCPConnect uint64
+}
+
+// ClientRPC models the nfs "rpc" line.
+type ClientRPC struct {
+	RPCCount        uint64
+	Retransmissions uint64
+	AuthRefreshes   uint64
+}
+
+// ServerRPC models the nfsd "rpc" line.
+type ServerRPC struct {
+	RPCCount uint64
+	BadCnt   uint64
+	BadFmt   uint64
+	BadAuth  uint64
+	BadcInt  uint64
+}
+
+// V2Stats models the "proc2" line.
+type V2Stats struct {
+	Null     uint64
+	GetAttr  uint64
+	SetAttr  uint64
+	Root     uint64
+	Lookup   uint64
+	ReadLink uint64
+	Read     uint64
+	WrCache  uint64
+	Write    uint64
+	Create   uint64
+	Remove   uint64
+	Rename   uint64
+	Link     uint64
+	SymLink  uint64
+	MkDir    uint64
+	RmDir    uint64
+	ReadDir  uint64
+	FsStat   uint64
+}
+
+// V3Stats models the "proc3" line.
+type V3Stats struct {
+	Null        uint64
+	GetAttr     uint64
+	SetAttr     uint64
+	Lookup      uint64
+	Access      uint64
+	ReadLink    uint64
+	Read        uint64
+	Write       uint64
+	Create      uint64
+	MkDir       uint64
+	SymLink     uint64
+	MkNod       uint64
+	Remove      uint64
+	RmDir       uint64
+	Rename      uint64
+	Link        uint64
+	ReadDir     uint64
+	ReadDirPlus uint64
+	FsStat      uint64
+	FsInfo      uint64
+	PathConf    uint64
+	Commit      uint64
+}
+
+// ClientV4Stats models the nfs "proc4" line.
+type ClientV4Stats struct {
+	Null               uint64
+	Read               uint64
+	Write              uint64
+	Commit             uint64
+	Open               uint64
+	OpenConfirm        uint64
+	OpenNoattr         uint64
+	OpenDowngrade      uint64
+	Close              uint64
+	Setattr            uint64
+	FsInfo             uint64
+	Renew              uint64
+	SetClientId        uint64
+	SetClientIdConfirm uint64
+	Lock               uint64
+	Lockt              uint64
+	Locku              uint64
+	Access             uint64
+	Getattr            uint64
+	Lookup             uint64
+	LookupRoot         uint64
+	Remove             uint64
+	Rename             uint64
+	Link               uint64
+	Symlink            uint64
+	Create             uint64
+	Pathconf           uint64
+	StatFs             uint64
+	ReadLink           uint64
+	ReadDir            uint64
+	ServerCaps         uint64
+	DelegReturn        uint64
+	GetAcl             uint64
+	SetAcl             uint64
+	FsLocations        uint64
+	ReleaseLockowner   uint64
+	Secinfo            uint64
+	FsidPresent        uint64
+	ExchangeId         uint64
+	CreateSession      uint64
+	DestroySession     uint64
+	Sequence           uint64
+	GetLeaseTime       uint64
+	ReclaimComplete    uint64
+	LayoutGet          uint64
+	GetDeviceInfo      uint64
+	LayoutCommit       uint64
+	LayoutReturn       uint64
+	SecinfoNoName      uint64
+	TestStateId        uint64
+	FreeStateId        uint64
+	GetDeviceList      uint64
+	BindConnToSession  uint64
+	DestroyClientId    uint64
+	Seek               uint64
+	Allocate           uint64
+	DeAllocate         uint64
+	LayoutStats        uint64
+	Clone              uint64
+}
+
+// ServerV4Stats models the nfsd "proc4" line.
+type ServerV4Stats struct {
+	Null     uint64
+	Compound uint64
+}
+
+// V4Ops models the "proc4ops" line: NFSv4 operations
+// Variable list, see:
+// v4.0 https://tools.ietf.org/html/rfc3010 (38 operations)
+// v4.1 https://tools.ietf.org/html/rfc5661 (58 operations)
+// v4.2 https://tools.ietf.org/html/draft-ietf-nfsv4-minorversion2-41 (71 operations)
+type V4Ops struct {
+	//Values       uint64 // Variable depending on v4.x sub-version. TODO: Will this always at least include the fields in this struct?
+	Op0Unused    uint64
+	Op1Unused    uint64
+	Op2Future    uint64
+	Access       uint64
+	Close        uint64
+	Commit       uint64
+	Create       uint64
+	DelegPurge   uint64
+	DelegReturn  uint64
+	GetAttr      uint64
+	GetFH        uint64
+	Link         uint64
+	Lock         uint64
+	Lockt        uint64
+	Locku        uint64
+	Lookup       uint64
+	LookupRoot   uint64
+	Nverify      uint64
+	Open         uint64
+	OpenAttr     uint64
+	OpenConfirm  uint64
+	OpenDgrd     uint64
+	PutFH        uint64
+	PutPubFH     uint64
+	PutRootFH    uint64
+	Read         uint64
+	ReadDir      uint64
+	ReadLink     uint64
+	Remove       uint64
+	Rename       uint64
+	Renew        uint64
+	RestoreFH    uint64
+	SaveFH       uint64
+	SecInfo      uint64
+	SetAttr      uint64
+	Verify       uint64
+	Write        uint64
+	RelLockOwner uint64
+}
+
+// RPCStats models all stats from /proc/net/rpc/nfs.
+type ClientRPCStats struct {
+	Network       Network
+	ClientRPC     ClientRPC
+	V2Stats       V2Stats
+	V3Stats       V3Stats
+	ClientV4Stats ClientV4Stats
+}
+
+// ServerRPCStats models all stats from /proc/net/rpc/nfsd.
+type ServerRPCStats struct {
+	ReplyCache     ReplyCache
+	FileHandles    FileHandles
+	InputOutput    InputOutput
+	Threads        Threads
+	ReadAheadCache ReadAheadCache
+	Network        Network
+	ServerRPC      ServerRPC
+	V2Stats        V2Stats
+	V3Stats        V3Stats
+	ServerV4Stats  ServerV4Stats
+	V4Ops          V4Ops
+}

vendor/github.com/prometheus/procfs/nfs/parse.go

@@ -0,0 +1,308 @@
+// Copyright 2018 The Prometheus Authors
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+// http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
+package nfs
+
+import (
+	"fmt"
+)
+
+func parseReplyCache(v []uint64) (ReplyCache, error) {
+	if len(v) != 3 {
+		return ReplyCache{}, fmt.Errorf("invalid ReplyCache line %q", v)
+	}
+
+	return ReplyCache{
+		Hits:    v[0],
+		Misses:  v[1],
+		NoCache: v[2],
+	}, nil
+}
+
+func parseFileHandles(v []uint64) (FileHandles, error) {
+	if len(v) != 5 {
+		return FileHandles{}, fmt.Errorf("invalid FileHandles, line %q", v)
+	}
+
+	return FileHandles{
+		Stale:        v[0],
+		TotalLookups: v[1],
+		AnonLookups:  v[2],
+		DirNoCache:   v[3],
+		NoDirNoCache: v[4],
+	}, nil
+}
+
+func parseInputOutput(v []uint64) (InputOutput, error) {
+	if len(v) != 2 {
+		return InputOutput{}, fmt.Errorf("invalid InputOutput line %q", v)
+	}
+
+	return InputOutput{
+		Read:  v[0],
+		Write: v[1],
+	}, nil
+}
+
+func parseThreads(v []uint64) (Threads, error) {
+	if len(v) != 2 {
+		return Threads{}, fmt.Errorf("invalid Threads line %q", v)
+	}
+
+	return Threads{
+		Threads: v[0],
+		FullCnt: v[1],
+	}, nil
+}
+
+func parseReadAheadCache(v []uint64) (ReadAheadCache, error) {
+	if len(v) != 12 {
+		return ReadAheadCache{}, fmt.Errorf("invalid ReadAheadCache line %q", v)
+	}
+
+	return ReadAheadCache{
+		CacheSize:      v[0],
+		CacheHistogram: v[1:11],
+		NotFound:       v[11],
+	}, nil
+}
+
+func parseNetwork(v []uint64) (Network, error) {
+	if len(v) != 4 {
+		return Network{}, fmt.Errorf("invalid Network line %q", v)
+	}
+
+	return Network{
+		NetCount:   v[0],
+		UDPCount:   v[1],
+		TCPCount:   v[2],
+		TCPConnect: v[3],
+	}, nil
+}
+
+func parseServerRPC(v []uint64) (ServerRPC, error) {
+	if len(v) != 5 {
+		return ServerRPC{}, fmt.Errorf("invalid RPC line %q", v)
+	}
+
+	return ServerRPC{
+		RPCCount: v[0],
+		BadCnt:   v[1],
+		BadFmt:   v[2],
+		BadAuth:  v[3],
+		BadcInt:  v[4],
+	}, nil
+}
+
+func parseClientRPC(v []uint64) (ClientRPC, error) {
+	if len(v) != 3 {
+		return ClientRPC{}, fmt.Errorf("invalid RPC line %q", v)
+	}
+
+	return ClientRPC{
+		RPCCount:        v[0],
+		Retransmissions: v[1],
+		AuthRefreshes:   v[2],
+	}, nil
+}
+
+func parseV2Stats(v []uint64) (V2Stats, error) {
+	values := int(v[0])
+	if len(v[1:]) != values || values != 18 {
+		return V2Stats{}, fmt.Errorf("invalid V2Stats line %q", v)
+	}
+
+	return V2Stats{
+		Null:     v[1],
+		GetAttr:  v[2],
+		SetAttr:  v[3],
+		Root:     v[4],
+		Lookup:   v[5],
+		ReadLink: v[6],
+		Read:     v[7],
+		WrCache:  v[8],
+		Write:    v[9],
+		Create:   v[10],
+		Remove:   v[11],
+		Rename:   v[12],
+		Link:     v[13],
+		SymLink:  v[14],
+		MkDir:    v[15],
+		RmDir:    v[16],
+		ReadDir:  v[17],
+		FsStat:   v[18],
+	}, nil
+}
+
+func parseV3Stats(v []uint64) (V3Stats, error) {
+	values := int(v[0])
+	if len(v[1:]) != values || values != 22 {
+		return V3Stats{}, fmt.Errorf("invalid V3Stats line %q", v)
+	}
+
+	return V3Stats{
+		Null:        v[1],
+		GetAttr:     v[2],
+		SetAttr:     v[3],
+		Lookup:      v[4],
+		Access:      v[5],
+		ReadLink:    v[6],
+		Read:        v[7],
+		Write:       v[8],
+		Create:      v[9],
+		MkDir:       v[10],
+		SymLink:     v[11],
+		MkNod:       v[12],
+		Remove:      v[13],
+		RmDir:       v[14],
+		Rename:      v[15],
+		Link:        v[16],
+		ReadDir:     v[17],
+		ReadDirPlus: v[18],
+		FsStat:      v[19],
+		FsInfo:      v[20],
+		PathConf:    v[21],
+		Commit:      v[22],
+	}, nil
+}
+
+func parseClientV4Stats(v []uint64) (ClientV4Stats, error) {
+	values := int(v[0])
+	if len(v[1:]) != values || values < 59 {
+		return ClientV4Stats{}, fmt.Errorf("invalid V4Stats line %q", v)
+	}
+
+	return ClientV4Stats{
+		Null:               v[1],
+		Read:               v[2],
+		Write:              v[3],
+		Commit:             v[4],
+		Open:               v[5],
+		OpenConfirm:        v[6],
+		OpenNoattr:         v[7],
+		OpenDowngrade:      v[8],
+		Close:              v[9],
+		Setattr:            v[10],
+		FsInfo:             v[11],
+		Renew:              v[12],
+		SetClientId:        v[13],
+		SetClientIdConfirm: v[14],
+		Lock:               v[15],
+		Lockt:              v[16],
+		Locku:              v[17],
+		Access:             v[18],
+		Getattr:            v[19],
+		Lookup:             v[20],
+		LookupRoot:         v[21],
+		Remove:             v[22],
+		Rename:             v[23],
+		Link:               v[24],
+		Symlink:            v[25],
+		Create:             v[26],
+		Pathconf:           v[27],
+		StatFs:             v[28],
+		ReadLink:           v[29],
+		ReadDir:            v[30],
+		ServerCaps:         v[31],
+		DelegReturn:        v[32],
+		GetAcl:             v[33],
+		SetAcl:             v[34],
+		FsLocations:        v[35],
+		ReleaseLockowner:   v[36],
+		Secinfo:            v[37],
+		FsidPresent:        v[38],
+		ExchangeId:         v[39],
+		CreateSession:      v[40],
+		DestroySession:     v[41],
+		Sequence:           v[42],
+		GetLeaseTime:       v[43],
+		ReclaimComplete:    v[44],
+		LayoutGet:          v[45],
+		GetDeviceInfo:      v[46],
+		LayoutCommit:       v[47],
+		LayoutReturn:       v[48],
+		SecinfoNoName:      v[49],
+		TestStateId:        v[50],
+		FreeStateId:        v[51],
+		GetDeviceList:      v[52],
+		BindConnToSession:  v[53],
+		DestroyClientId:    v[54],
+		Seek:               v[55],
+		Allocate:           v[56],
+		DeAllocate:         v[57],
+		LayoutStats:        v[58],
+		Clone:              v[59],
+	}, nil
+}
+
+func parseServerV4Stats(v []uint64) (ServerV4Stats, error) {
+	values := int(v[0])
+	if len(v[1:]) != values || values != 2 {
+		return ServerV4Stats{}, fmt.Errorf("invalid V4Stats line %q", v)
+	}
+
+	return ServerV4Stats{
+		Null:     v[1],
+		Compound: v[2],
+	}, nil
+}
+
+func parseV4Ops(v []uint64) (V4Ops, error) {
+	values := int(v[0])
+	if len(v[1:]) != values || values < 39 {
+		return V4Ops{}, fmt.Errorf("invalid V4Ops line %q", v)
+	}
+
+	stats := V4Ops{
+		Op0Unused:    v[1],
+		Op1Unused:    v[2],
+		Op2Future:    v[3],
+		Access:       v[4],
+		Close:        v[5],
+		Commit:       v[6],
+		Create:       v[7],
+		DelegPurge:   v[8],
+		DelegReturn:  v[9],
+		GetAttr:      v[10],
+		GetFH:        v[11],
+		Link:         v[12],
+		Lock:         v[13],
+		Lockt:        v[14],
+		Locku:        v[15],
+		Lookup:       v[16],
+		LookupRoot:   v[17],
+		Nverify:      v[18],
+		Open:         v[19],
+		OpenAttr:     v[20],
+		OpenConfirm:  v[21],
+		OpenDgrd:     v[22],
+		PutFH:        v[23],
+		PutPubFH:     v[24],
+		PutRootFH:    v[25],
+		Read:         v[26],
+		ReadDir:      v[27],
+		ReadLink:     v[28],
+		Remove:       v[29],
+		Rename:       v[30],
+		Renew:        v[31],
+		RestoreFH:    v[32],
+		SaveFH:       v[33],
+		SecInfo:      v[34],
+		SetAttr:      v[35],
+		Verify:       v[36],
+		Write:        v[37],
+		RelLockOwner: v[38],
+	}
+
+	return stats, nil
+}

vendor/github.com/prometheus/procfs/nfs/parse_nfs.go

@@ -0,0 +1,67 @@
+// Copyright 2018 The Prometheus Authors
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+// http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
+package nfs
+
+import (
+	"bufio"
+	"fmt"
+	"io"
+	"strings"
+
+	"github.com/prometheus/procfs/internal/util"
+)
+
+// ParseClientRPCStats returns stats read from /proc/net/rpc/nfs
+func ParseClientRPCStats(r io.Reader) (*ClientRPCStats, error) {
+	stats := &ClientRPCStats{}
+
+	scanner := bufio.NewScanner(r)
+	for scanner.Scan() {
+		line := scanner.Text()
+		parts := strings.Fields(scanner.Text())
+		// require at least <key> <value>
+		if len(parts) < 2 {
+			return nil, fmt.Errorf("invalid NFSd metric line %q", line)
+		}
+
+		values, err := util.ParseUint64s(parts[1:])
+		if err != nil {
+			return nil, fmt.Errorf("error parsing NFSd metric line: %s", err)
+		}
+
+		switch metricLine := parts[0]; metricLine {
+		case "net":
+			stats.Network, err = parseNetwork(values)
+		case "rpc":
+			stats.ClientRPC, err = parseClientRPC(values)
+		case "proc2":
+			stats.V2Stats, err = parseV2Stats(values)
+		case "proc3":
+			stats.V3Stats, err = parseV3Stats(values)
+		case "proc4":
+			stats.ClientV4Stats, err = parseClientV4Stats(values)
+		default:
+			return nil, fmt.Errorf("unknown NFSd metric line %q", metricLine)
+		}
+		if err != nil {
+			return nil, fmt.Errorf("errors parsing NFSd metric line: %s", err)
+		}
+	}
+
+	if err := scanner.Err(); err != nil {
+		return nil, fmt.Errorf("error scanning NFSd file: %s", err)
+	}
+
+	return stats, nil
+}

vendor/github.com/prometheus/procfs/nfs/parse_nfsd.go

@@ -0,0 +1,89 @@
+// Copyright 2018 The Prometheus Authors
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+// http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
+package nfs
+
+import (
+	"bufio"
+	"fmt"
+	"io"
+	"strings"
+
+	"github.com/prometheus/procfs/internal/util"
+)
+
+// ParseServerRPCStats returns stats read from /proc/net/rpc/nfsd
+func ParseServerRPCStats(r io.Reader) (*ServerRPCStats, error) {
+	stats := &ServerRPCStats{}
+
+	scanner := bufio.NewScanner(r)
+	for scanner.Scan() {
+		line := scanner.Text()
+		parts := strings.Fields(scanner.Text())
+		// require at least <key> <value>
+		if len(parts) < 2 {
+			return nil, fmt.Errorf("invalid NFSd metric line %q", line)
+		}
+		label := parts[0]
+
+		var values []uint64
+		var err error
+		if label == "th" {
+			if len(parts) < 3 {
+				return nil, fmt.Errorf("invalid NFSd th metric line %q", line)
+			}
+			values, err = util.ParseUint64s(parts[1:3])
+		} else {
+			values, err = util.ParseUint64s(parts[1:])
+		}
+		if err != nil {
+			return nil, fmt.Errorf("error parsing NFSd metric line: %s", err)
+		}
+
+		switch metricLine := parts[0]; metricLine {
+		case "rc":
+			stats.ReplyCache, err = parseReplyCache(values)
+		case "fh":
+			stats.FileHandles, err = parseFileHandles(values)
+		case "io":
+			stats.InputOutput, err = parseInputOutput(values)
+		case "th":
+			stats.Threads, err = parseThreads(values)
+		case "ra":
+			stats.ReadAheadCache, err = parseReadAheadCache(values)
+		case "net":
+			stats.Network, err = parseNetwork(values)
+		case "rpc":
+			stats.ServerRPC, err = parseServerRPC(values)
+		case "proc2":
+			stats.V2Stats, err = parseV2Stats(values)
+		case "proc3":
+			stats.V3Stats, err = parseV3Stats(values)
+		case "proc4":
+			stats.ServerV4Stats, err = parseServerV4Stats(values)
+		case "proc4ops":
+			stats.V4Ops, err = parseV4Ops(values)
+		default:
+			return nil, fmt.Errorf("unknown NFSd metric line %q", metricLine)
+		}
+		if err != nil {
+			return nil, fmt.Errorf("errors parsing NFSd metric line: %s", err)
+		}
+	}
+
+	if err := scanner.Err(); err != nil {
+		return nil, fmt.Errorf("error scanning NFSd file: %s", err)
+	}
+
+	return stats, nil
+}

vendor/github.com/prometheus/procfs/proc_io.go

@@ -47,9 +47,6 @@ func (p Proc) NewIO() (ProcIO, error) {
 
 	_, err = fmt.Sscanf(string(data), ioFormat, &pio.RChar, &pio.WChar, &pio.SyscR,
 		&pio.SyscW, &pio.ReadBytes, &pio.WriteBytes, &pio.CancelledWriteBytes)
-	if err != nil {
-		return pio, err
-	}
 
-	return pio, nil
+	return pio, err
 }

vendor/github.com/prometheus/procfs/proc_ns.go

@@ -0,0 +1,55 @@
+package procfs
+
+import (
+	"fmt"
+	"os"
+	"strconv"
+	"strings"
+)
+
+// Namespace represents a single namespace of a process.
+type Namespace struct {
+	Type  string // Namespace type.
+	Inode uint32 // Inode number of the namespace. If two processes are in the same namespace their inodes will match.
+}
+
+// Namespaces contains all of the namespaces that the process is contained in.
+type Namespaces map[string]Namespace
+
+// NewNamespaces reads from /proc/[pid/ns/* to get the namespaces of which the
+// process is a member.
+func (p Proc) NewNamespaces() (Namespaces, error) {
+	d, err := os.Open(p.path("ns"))
+	if err != nil {
+		return nil, err
+	}
+	defer d.Close()
+
+	names, err := d.Readdirnames(-1)
+	if err != nil {
+		return nil, fmt.Errorf("failed to read contents of ns dir: %v", err)
+	}
+
+	ns := make(Namespaces, len(names))
+	for _, name := range names {
+		target, err := os.Readlink(p.path("ns", name))
+		if err != nil {
+			return nil, err
+		}
+
+		fields := strings.SplitN(target, ":", 2)
+		if len(fields) != 2 {
+			return nil, fmt.Errorf("failed to parse namespace type and inode from '%v'", target)
+		}
+
+		typ := fields[0]
+		inode, err := strconv.ParseUint(strings.Trim(fields[1], "[]"), 10, 32)
+		if err != nil {
+			return nil, fmt.Errorf("failed to parse inode from '%v': %v", fields[1], err)
+		}
+
+		ns[name] = Namespace{typ, uint32(inode)}
+	}
+
+	return ns, nil
+}

vendor/github.com/prometheus/procfs/xfs/parse.go

@@ -17,8 +17,9 @@ import (
 	"bufio"
 	"fmt"
 	"io"
-	"strconv"
 	"strings"
+
+	"github.com/prometheus/procfs/internal/util"
 )
 
 // ParseStats parses a Stats from an input io.Reader, using the format
@@ -68,7 +69,7 @@ func ParseStats(r io.Reader) (*Stats, error) {
 
 		// Extended precision counters are uint64 values.
 		if label == fieldXpc {
-			us, err := parseUint64s(ss[1:])
+			us, err := util.ParseUint64s(ss[1:])
 			if err != nil {
 				return nil, err
 			}
@@ -82,7 +83,7 @@ func ParseStats(r io.Reader) (*Stats, error) {
 		}
 
 		// All other counters are uint32 values.
-		us, err := parseUint32s(ss[1:])
+		us, err := util.ParseUint32s(ss[1:])
 		if err != nil {
 			return nil, err
 		}
@@ -327,33 +328,3 @@ func extendedPrecisionStats(us []uint64) (ExtendedPrecisionStats, error) {
 		ReadBytes:  us[2],
 	}, nil
 }
-
-// parseUint32s parses a slice of strings into a slice of uint32s.
-func parseUint32s(ss []string) ([]uint32, error) {
-	us := make([]uint32, 0, len(ss))
-	for _, s := range ss {
-		u, err := strconv.ParseUint(s, 10, 32)
-		if err != nil {
-			return nil, err
-		}
-
-		us = append(us, uint32(u))
-	}
-
-	return us, nil
-}
-
-// parseUint64s parses a slice of strings into a slice of uint64s.
-func parseUint64s(ss []string) ([]uint64, error) {
-	us := make([]uint64, 0, len(ss))
-	for _, s := range ss {
-		u, err := strconv.ParseUint(s, 10, 64)
-		if err != nil {
-			return nil, err
-		}
-
-		us = append(us, u)
-	}
-
-	return us, nil
-}

vendor/github.com/sirupsen/logrus/CHANGELOG.md

@@ -1,3 +1,8 @@
+# 1.0.4
+
+* Fix race when adding hooks (#612)
+* Fix terminal check in AppEngine (#635)
+
 # 1.0.3
 
 * Replace example files with testable examples

vendor/github.com/sirupsen/logrus/README.md

@@ -247,6 +247,7 @@ Note: Syslog hook also support connecting to local syslog (Ex. "/dev/log" or "/v
 | [Airbrake](https://github.com/gemnasium/logrus-airbrake-hook) | Send errors to the Airbrake API V3. Uses the official [`gobrake`](https://github.com/airbrake/gobrake) behind the scenes. |
 | [Amazon Kinesis](https://github.com/evalphobia/logrus_kinesis) | Hook for logging to [Amazon Kinesis](https://aws.amazon.com/kinesis/) |
 | [Amqp-Hook](https://github.com/vladoatanasov/logrus_amqp) | Hook for logging to Amqp broker (Like RabbitMQ) |
+| [AzureTableHook](https://github.com/kpfaulkner/azuretablehook/) | Hook for logging to Azure Table Storage|
 | [Bugsnag](https://github.com/Shopify/logrus-bugsnag/blob/master/bugsnag.go) | Send errors to the Bugsnag exception tracking service. |
 | [DeferPanic](https://github.com/deferpanic/dp-logrus) | Hook for logging to DeferPanic |
 | [Discordrus](https://github.com/kz/discordrus) | Hook for logging to [Discord](https://discordapp.com/) |
@@ -260,8 +261,9 @@ Note: Syslog hook also support connecting to local syslog (Ex. "/dev/log" or "/v
 | [InfluxDB](https://github.com/Abramovic/logrus_influxdb) | Hook for logging to influxdb |
 | [Influxus](http://github.com/vlad-doru/influxus) | Hook for concurrently logging to [InfluxDB](http://influxdata.com/) |
 | [Journalhook](https://github.com/wercker/journalhook) | Hook for logging to `systemd-journald` |
-| [KafkaLogrus](https://github.com/goibibo/KafkaLogrus) | Hook for logging to kafka |
+| [KafkaLogrus](https://github.com/tracer0tong/kafkalogrus) | Hook for logging to Kafka |
 | [LFShook](https://github.com/rifflock/lfshook) | Hook for logging to the local filesystem |
+| [Logbeat](https://github.com/macandmia/logbeat) | Hook for logging to [Opbeat](https://opbeat.com/) |
 | [Logentries](https://github.com/jcftang/logentriesrus) | Hook for logging to [Logentries](https://logentries.com/) |
 | [Logentrus](https://github.com/puddingfactory/logentrus) | Hook for logging to [Logentries](https://logentries.com/) |
 | [Logmatic.io](https://github.com/logmatic/logmatic-go) | Hook for logging to [Logmatic.io](http://logmatic.io/) |
@@ -274,6 +276,7 @@ Note: Syslog hook also support connecting to local syslog (Ex. "/dev/log" or "/v
 | [Octokit](https://github.com/dorajistyle/logrus-octokit-hook) | Hook for logging to github via octokit |
 | [Papertrail](https://github.com/polds/logrus-papertrail-hook) | Send errors to the [Papertrail](https://papertrailapp.com) hosted logging service via UDP. |
 | [PostgreSQL](https://github.com/gemnasium/logrus-postgresql-hook) | Send logs to [PostgreSQL](http://postgresql.org) |
+| [Promrus](https://github.com/weaveworks/promrus) | Expose number of log messages as [Prometheus](https://prometheus.io/) metrics |
 | [Pushover](https://github.com/toorop/logrus_pushover) | Send error via [Pushover](https://pushover.net) |
 | [Raygun](https://github.com/squirkle/logrus-raygun-hook) | Hook for logging to [Raygun.io](http://raygun.io/) |
 | [Redis-Hook](https://github.com/rogierlommers/logrus-redis-hook) | Hook for logging to a ELK stack (through Redis) |
@@ -285,6 +288,7 @@ Note: Syslog hook also support connecting to local syslog (Ex. "/dev/log" or "/v
 | [Sumorus](https://github.com/doublefree/sumorus) | Hook for logging to [SumoLogic](https://www.sumologic.com/)|
 | [Syslog](https://github.com/sirupsen/logrus/blob/master/hooks/syslog/syslog.go) | Send errors to remote syslog server. Uses standard library `log/syslog` behind the scenes. |
 | [Syslog TLS](https://github.com/shinji62/logrus-syslog-ng) | Send errors to remote syslog server with TLS support. |
+| [Telegram](https://github.com/rossmcdonald/telegram_hook) | Hook for logging errors to [Telegram](https://telegram.org/) |
 | [TraceView](https://github.com/evalphobia/logrus_appneta) | Hook for logging to [AppNeta TraceView](https://www.appneta.com/products/traceview/) |
 | [Typetalk](https://github.com/dragon3/logrus-typetalk-hook) | Hook for logging to [Typetalk](https://www.typetalk.in/) |
 | [logz.io](https://github.com/ripcurld00d/logrus-logzio-hook) | Hook for logging to [logz.io](https://logz.io), a Log as a Service using Logstash |
@@ -372,7 +376,7 @@ The built-in logging formatters are:
 
 Third party logging formatters:
 
-* [`FluentdFormatter`](https://github.com/joonix/log). Formats entries that can by parsed by Kubernetes and Google Container Engine.
+* [`FluentdFormatter`](https://github.com/joonix/log). Formats entries that can be parsed by Kubernetes and Google Container Engine.
 * [`logstash`](https://github.com/bshuster-repo/logrus-logstash-hook). Logs fields as [Logstash](http://logstash.net) Events.
 * [`prefixed`](https://github.com/x-cray/logrus-prefixed-formatter). Displays log entry source along with alternative layout.
 * [`zalgo`](https://github.com/aybabtme/logzalgo). Invoking the P͉̫o̳̼̊w̖͈̰͎e̬͔̭͂r͚̼̹̲ ̫͓͉̳͈ō̠͕͖̚f̝͍̠ ͕̲̞͖͑Z̖̫̤̫ͪa͉̬͈̗l͖͎g̳̥o̰̥̅!̣͔̲̻͊̄ ̙̘̦̹̦.

vendor/github.com/sirupsen/logrus/entry.go

@@ -94,7 +94,10 @@ func (entry Entry) log(level Level, msg string) {
 	entry.Level = level
 	entry.Message = msg
 
-	if err := entry.Logger.Hooks.Fire(level, &entry); err != nil {
+	entry.Logger.mu.Lock()
+	err := entry.Logger.Hooks.Fire(level, &entry)
+	entry.Logger.mu.Unlock()
+	if err != nil {
 		entry.Logger.mu.Lock()
 		fmt.Fprintf(os.Stderr, "Failed to fire hook: %v\n", err)
 		entry.Logger.mu.Unlock()

vendor/github.com/sirupsen/logrus/logger.go

@@ -315,3 +315,9 @@ func (logger *Logger) level() Level {
 func (logger *Logger) SetLevel(level Level) {
 	atomic.StoreUint32((*uint32)(&logger.Level), uint32(level))
 }
+
+func (logger *Logger) AddHook(hook Hook) {
+	logger.mu.Lock()
+	defer logger.mu.Unlock()
+	logger.Hooks.Add(hook)
+}

vendor/github.com/sirupsen/logrus/terminal_check_appengine.go

@@ -0,0 +1,11 @@
+// +build appengine
+
+package logrus
+
+import (
+	"io"
+)
+
+func checkIfTerminal(w io.Writer) bool {
+	return true
+}

vendor/github.com/sirupsen/logrus/terminal_check_notappengine.go

@@ -0,0 +1,19 @@
+// +build !appengine
+
+package logrus
+
+import (
+	"io"
+	"os"
+
+	"golang.org/x/crypto/ssh/terminal"
+)
+
+func checkIfTerminal(w io.Writer) bool {
+	switch v := w.(type) {
+	case *os.File:
+		return terminal.IsTerminal(int(v.Fd()))
+	default:
+		return false
+	}
+}

vendor/github.com/sirupsen/logrus/text_formatter.go

@@ -3,14 +3,10 @@ package logrus
 import (
 	"bytes"
 	"fmt"
-	"io"
-	"os"
 	"sort"
 	"strings"
 	"sync"
 	"time"
-
-	"golang.org/x/crypto/ssh/terminal"
 )
 
 const (
@@ -65,16 +61,7 @@ type TextFormatter struct {
 
 func (f *TextFormatter) init(entry *Entry) {
 	if entry.Logger != nil {
-		f.isTerminal = f.checkIfTerminal(entry.Logger.Out)
-	}
-}
-
-func (f *TextFormatter) checkIfTerminal(w io.Writer) bool {
-	switch v := w.(type) {
-	case *os.File:
-		return terminal.IsTerminal(int(v.Fd()))
-	default:
-		return false
+		f.isTerminal = checkIfTerminal(entry.Logger.Out)
 	}
 }
 

vendor/golang.org/x/crypto/ssh/terminal/terminal.go

@@ -617,7 +617,7 @@ func writeWithCRLF(w io.Writer, buf []byte) (n int, err error) {
 			if _, err = w.Write(crlf); err != nil {
 				return n, err
 			}
-			n += 1
+			n++
 			buf = buf[1:]
 		}
 	}

vendor/golang.org/x/crypto/ssh/terminal/util.go

@@ -17,44 +17,41 @@
 package terminal // import "golang.org/x/crypto/ssh/terminal"
 
 import (
-	"syscall"
-	"unsafe"
-
 	"golang.org/x/sys/unix"
 )
 
 // State contains the state of a terminal.
 type State struct {
-	termios syscall.Termios
+	termios unix.Termios
 }
 
 // IsTerminal returns true if the given file descriptor is a terminal.
 func IsTerminal(fd int) bool {
-	var termios syscall.Termios
-	_, _, err := syscall.Syscall6(syscall.SYS_IOCTL, uintptr(fd), ioctlReadTermios, uintptr(unsafe.Pointer(&termios)), 0, 0, 0)
-	return err == 0
+	_, err := unix.IoctlGetTermios(fd, ioctlReadTermios)
+	return err == nil
 }
 
 // MakeRaw put the terminal connected to the given file descriptor into raw
 // mode and returns the previous state of the terminal so that it can be
 // restored.
 func MakeRaw(fd int) (*State, error) {
-	var oldState State
-	if _, _, err := syscall.Syscall6(syscall.SYS_IOCTL, uintptr(fd), ioctlReadTermios, uintptr(unsafe.Pointer(&oldState.termios)), 0, 0, 0); err != 0 {
+	termios, err := unix.IoctlGetTermios(fd, ioctlReadTermios)
+	if err != nil {
 		return nil, err
 	}
 
-	newState := oldState.termios
+	oldState := State{termios: *termios}
+
 	// This attempts to replicate the behaviour documented for cfmakeraw in
 	// the termios(3) manpage.
-	newState.Iflag &^= syscall.IGNBRK | syscall.BRKINT | syscall.PARMRK | syscall.ISTRIP | syscall.INLCR | syscall.IGNCR | syscall.ICRNL | syscall.IXON
-	newState.Oflag &^= syscall.OPOST
-	newState.Lflag &^= syscall.ECHO | syscall.ECHONL | syscall.ICANON | syscall.ISIG | syscall.IEXTEN
-	newState.Cflag &^= syscall.CSIZE | syscall.PARENB
-	newState.Cflag |= syscall.CS8
-	newState.Cc[unix.VMIN] = 1
-	newState.Cc[unix.VTIME] = 0
-	if _, _, err := syscall.Syscall6(syscall.SYS_IOCTL, uintptr(fd), ioctlWriteTermios, uintptr(unsafe.Pointer(&newState)), 0, 0, 0); err != 0 {
+	termios.Iflag &^= unix.IGNBRK | unix.BRKINT | unix.PARMRK | unix.ISTRIP | unix.INLCR | unix.IGNCR | unix.ICRNL | unix.IXON
+	termios.Oflag &^= unix.OPOST
+	termios.Lflag &^= unix.ECHO | unix.ECHONL | unix.ICANON | unix.ISIG | unix.IEXTEN
+	termios.Cflag &^= unix.CSIZE | unix.PARENB
+	termios.Cflag |= unix.CS8
+	termios.Cc[unix.VMIN] = 1
+	termios.Cc[unix.VTIME] = 0
+	if err := unix.IoctlSetTermios(fd, ioctlWriteTermios, termios); err != nil {
 		return nil, err
 	}
 
@@ -64,59 +61,55 @@ func MakeRaw(fd int) (*State, error) {
 // GetState returns the current state of a terminal which may be useful to
 // restore the terminal after a signal.
 func GetState(fd int) (*State, error) {
-	var oldState State
-	if _, _, err := syscall.Syscall6(syscall.SYS_IOCTL, uintptr(fd), ioctlReadTermios, uintptr(unsafe.Pointer(&oldState.termios)), 0, 0, 0); err != 0 {
+	termios, err := unix.IoctlGetTermios(fd, ioctlReadTermios)
+	if err != nil {
 		return nil, err
 	}
 
-	return &oldState, nil
+	return &State{termios: *termios}, nil
 }
 
 // Restore restores the terminal connected to the given file descriptor to a
 // previous state.
 func Restore(fd int, state *State) error {
-	if _, _, err := syscall.Syscall6(syscall.SYS_IOCTL, uintptr(fd), ioctlWriteTermios, uintptr(unsafe.Pointer(&state.termios)), 0, 0, 0); err != 0 {
-		return err
-	}
-	return nil
+	return unix.IoctlSetTermios(fd, ioctlWriteTermios, &state.termios)
 }
 
 // GetSize returns the dimensions of the given terminal.
 func GetSize(fd int) (width, height int, err error) {
-	var dimensions [4]uint16
-
-	if _, _, err := syscall.Syscall6(syscall.SYS_IOCTL, uintptr(fd), uintptr(syscall.TIOCGWINSZ), uintptr(unsafe.Pointer(&dimensions)), 0, 0, 0); err != 0 {
+	ws, err := unix.IoctlGetWinsize(fd, unix.TIOCGWINSZ)
+	if err != nil {
 		return -1, -1, err
 	}
-	return int(dimensions[1]), int(dimensions[0]), nil
+	return int(ws.Col), int(ws.Row), nil
 }
 
 // passwordReader is an io.Reader that reads from a specific file descriptor.
 type passwordReader int
 
 func (r passwordReader) Read(buf []byte) (int, error) {
-	return syscall.Read(int(r), buf)
+	return unix.Read(int(r), buf)
 }
 
 // ReadPassword reads a line of input from a terminal without local echo.  This
 // is commonly used for inputting passwords and other sensitive data. The slice
 // returned does not include the \n.
 func ReadPassword(fd int) ([]byte, error) {
-	var oldState syscall.Termios
-	if _, _, err := syscall.Syscall6(syscall.SYS_IOCTL, uintptr(fd), ioctlReadTermios, uintptr(unsafe.Pointer(&oldState)), 0, 0, 0); err != 0 {
+	termios, err := unix.IoctlGetTermios(fd, ioctlReadTermios)
+	if err != nil {
 		return nil, err
 	}
 
-	newState := oldState
-	newState.Lflag &^= syscall.ECHO
-	newState.Lflag |= syscall.ICANON | syscall.ISIG
-	newState.Iflag |= syscall.ICRNL
-	if _, _, err := syscall.Syscall6(syscall.SYS_IOCTL, uintptr(fd), ioctlWriteTermios, uintptr(unsafe.Pointer(&newState)), 0, 0, 0); err != 0 {
+	newState := *termios
+	newState.Lflag &^= unix.ECHO
+	newState.Lflag |= unix.ICANON | unix.ISIG
+	newState.Iflag |= unix.ICRNL
+	if err := unix.IoctlSetTermios(fd, ioctlWriteTermios, &newState); err != nil {
 		return nil, err
 	}
 
 	defer func() {
-		syscall.Syscall6(syscall.SYS_IOCTL, uintptr(fd), ioctlWriteTermios, uintptr(unsafe.Pointer(&oldState)), 0, 0, 0)
+		unix.IoctlSetTermios(fd, ioctlWriteTermios, termios)
 	}()
 
 	return readPasswordLine(passwordReader(fd))

vendor/golang.org/x/crypto/ssh/terminal/util_windows.go

@@ -17,6 +17,8 @@
 package terminal
 
 import (
+	"os"
+
 	"golang.org/x/sys/windows"
 )
 
@@ -71,13 +73,6 @@ func GetSize(fd int) (width, height int, err error) {
 	return int(info.Size.X), int(info.Size.Y), nil
 }
 
-// passwordReader is an io.Reader that reads from a specific Windows HANDLE.
-type passwordReader int
-
-func (r passwordReader) Read(buf []byte) (int, error) {
-	return windows.Read(windows.Handle(r), buf)
-}
-
 // ReadPassword reads a line of input from a terminal without local echo.  This
 // is commonly used for inputting passwords and other sensitive data. The slice
 // returned does not include the \n.
@@ -98,5 +93,5 @@ func ReadPassword(fd int) ([]byte, error) {
 		windows.SetConsoleMode(windows.Handle(fd), old)
 	}()
 
-	return readPasswordLine(passwordReader(fd))
+	return readPasswordLine(os.NewFile(uintptr(fd), "stdin"))
 }

vendor/golang.org/x/net/internal/socket/socket.go

@@ -110,7 +110,7 @@ func ControlMessageSpace(dataLen int) int {
 type ControlMessage []byte
 
 // Data returns the data field of the control message at the head on
-// w.
+// m.
 func (m ControlMessage) Data(dataLen int) []byte {
 	l := controlHeaderLen()
 	if len(m) < l || len(m) < l+dataLen {
@@ -119,7 +119,7 @@ func (m ControlMessage) Data(dataLen int) []byte {
 	return m[l : l+dataLen]
 }
 
-// Next returns the control message at the next on w.
+// Next returns the control message at the next on m.
 //
 // Next works only for standard control messages.
 func (m ControlMessage) Next(dataLen int) ControlMessage {
@@ -131,7 +131,7 @@ func (m ControlMessage) Next(dataLen int) ControlMessage {
 }
 
 // MarshalHeader marshals the header fields of the control message at
-// the head on w.
+// the head on m.
 func (m ControlMessage) MarshalHeader(lvl, typ, dataLen int) error {
 	if len(m) < controlHeaderLen() {
 		return errors.New("short message")
@@ -142,7 +142,7 @@ func (m ControlMessage) MarshalHeader(lvl, typ, dataLen int) error {
 }
 
 // ParseHeader parses and returns the header fields of the control
-// message at the head on w.
+// message at the head on m.
 func (m ControlMessage) ParseHeader() (lvl, typ, dataLen int, err error) {
 	l := controlHeaderLen()
 	if len(m) < l {
@@ -152,7 +152,7 @@ func (m ControlMessage) ParseHeader() (lvl, typ, dataLen int, err error) {
 	return h.lvl(), h.typ(), int(uint64(h.len()) - uint64(l)), nil
 }
 
-// Marshal marshals the control message at the head on w, and returns
+// Marshal marshals the control message at the head on m, and returns
 // the next control message.
 func (m ControlMessage) Marshal(lvl, typ int, data []byte) (ControlMessage, error) {
 	l := len(data)
@@ -167,7 +167,7 @@ func (m ControlMessage) Marshal(lvl, typ int, data []byte) (ControlMessage, erro
 	return m.Next(l), nil
 }
 
-// Parse parses w as a single or multiple control messages.
+// Parse parses m as a single or multiple control messages.
 //
 // Parse works for both standard and compatible messages.
 func (m ControlMessage) Parse() ([]ControlMessage, error) {

vendor/golang.org/x/net/internal/socket/zsys_darwin_arm64.go

@@ -0,0 +1,61 @@
+// Created by cgo -godefs - DO NOT EDIT
+// cgo -godefs defs_darwin.go
+
+package socket
+
+const (
+	sysAF_UNSPEC = 0x0
+	sysAF_INET   = 0x2
+	sysAF_INET6  = 0x1e
+
+	sysSOCK_RAW = 0x3
+)
+
+type iovec struct {
+	Base *byte
+	Len  uint64
+}
+
+type msghdr struct {
+	Name       *byte
+	Namelen    uint32
+	Pad_cgo_0  [4]byte
+	Iov        *iovec
+	Iovlen     int32
+	Pad_cgo_1  [4]byte
+	Control    *byte
+	Controllen uint32
+	Flags      int32
+}
+
+type cmsghdr struct {
+	Len   uint32
+	Level int32
+	Type  int32
+}
+
+type sockaddrInet struct {
+	Len    uint8
+	Family uint8
+	Port   uint16
+	Addr   [4]byte /* in_addr */
+	Zero   [8]int8
+}
+
+type sockaddrInet6 struct {
+	Len      uint8
+	Family   uint8
+	Port     uint16
+	Flowinfo uint32
+	Addr     [16]byte /* in6_addr */
+	Scope_id uint32
+}
+
+const (
+	sizeofIovec   = 0x10
+	sizeofMsghdr  = 0x30
+	sizeofCmsghdr = 0xc
+
+	sizeofSockaddrInet  = 0x10
+	sizeofSockaddrInet6 = 0x1c
+)

vendor/golang.org/x/sys/unix/affinity_linux.go

@@ -0,0 +1,124 @@
+// Copyright 2018 The Go Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style
+// license that can be found in the LICENSE file.
+
+// CPU affinity functions
+
+package unix
+
+import (
+	"unsafe"
+)
+
+const cpuSetSize = _CPU_SETSIZE / _NCPUBITS
+
+// CPUSet represents a CPU affinity mask.
+type CPUSet [cpuSetSize]cpuMask
+
+func schedAffinity(trap uintptr, pid int, set *CPUSet) error {
+	_, _, e := RawSyscall(trap, uintptr(pid), uintptr(unsafe.Sizeof(set)), uintptr(unsafe.Pointer(set)))
+	if e != 0 {
+		return errnoErr(e)
+	}
+	return nil
+}
+
+// SchedGetaffinity gets the CPU affinity mask of the thread specified by pid.
+// If pid is 0 the calling thread is used.
+func SchedGetaffinity(pid int, set *CPUSet) error {
+	return schedAffinity(SYS_SCHED_GETAFFINITY, pid, set)
+}
+
+// SchedSetaffinity sets the CPU affinity mask of the thread specified by pid.
+// If pid is 0 the calling thread is used.
+func SchedSetaffinity(pid int, set *CPUSet) error {
+	return schedAffinity(SYS_SCHED_SETAFFINITY, pid, set)
+}
+
+// Zero clears the set s, so that it contains no CPUs.
+func (s *CPUSet) Zero() {
+	for i := range s {
+		s[i] = 0
+	}
+}
+
+func cpuBitsIndex(cpu int) int {
+	return cpu / _NCPUBITS
+}
+
+func cpuBitsMask(cpu int) cpuMask {
+	return cpuMask(1 << (uint(cpu) % _NCPUBITS))
+}
+
+// Set adds cpu to the set s.
+func (s *CPUSet) Set(cpu int) {
+	i := cpuBitsIndex(cpu)
+	if i < len(s) {
+		s[i] |= cpuBitsMask(cpu)
+	}
+}
+
+// Clear removes cpu from the set s.
+func (s *CPUSet) Clear(cpu int) {
+	i := cpuBitsIndex(cpu)
+	if i < len(s) {
+		s[i] &^= cpuBitsMask(cpu)
+	}
+}
+
+// IsSet reports whether cpu is in the set s.
+func (s *CPUSet) IsSet(cpu int) bool {
+	i := cpuBitsIndex(cpu)
+	if i < len(s) {
+		return s[i]&cpuBitsMask(cpu) != 0
+	}
+	return false
+}
+
+// Count returns the number of CPUs in the set s.
+func (s *CPUSet) Count() int {
+	c := 0
+	for _, b := range s {
+		c += onesCount64(uint64(b))
+	}
+	return c
+}
+
+// onesCount64 is a copy of Go 1.9's math/bits.OnesCount64.
+// Once this package can require Go 1.9, we can delete this
+// and update the caller to use bits.OnesCount64.
+func onesCount64(x uint64) int {
+	const m0 = 0x5555555555555555 // 01010101 ...
+	const m1 = 0x3333333333333333 // 00110011 ...
+	const m2 = 0x0f0f0f0f0f0f0f0f // 00001111 ...
+	const m3 = 0x00ff00ff00ff00ff // etc.
+	const m4 = 0x0000ffff0000ffff
+
+	// Implementation: Parallel summing of adjacent bits.
+	// See "Hacker's Delight", Chap. 5: Counting Bits.
+	// The following pattern shows the general approach:
+	//
+	//   x = x>>1&(m0&m) + x&(m0&m)
+	//   x = x>>2&(m1&m) + x&(m1&m)
+	//   x = x>>4&(m2&m) + x&(m2&m)
+	//   x = x>>8&(m3&m) + x&(m3&m)
+	//   x = x>>16&(m4&m) + x&(m4&m)
+	//   x = x>>32&(m5&m) + x&(m5&m)
+	//   return int(x)
+	//
+	// Masking (& operations) can be left away when there's no
+	// danger that a field's sum will carry over into the next
+	// field: Since the result cannot be > 64, 8 bits is enough
+	// and we can ignore the masks for the shifts by 8 and up.
+	// Per "Hacker's Delight", the first line can be simplified
+	// more, but it saves at best one instruction, so we leave
+	// it alone for clarity.
+	const m = 1<<64 - 1
+	x = x>>1&(m0&m) + x&(m0&m)
+	x = x>>2&(m1&m) + x&(m1&m)
+	x = (x>>4 + x) & (m2 & m)
+	x += x >> 8
+	x += x >> 16
+	x += x >> 32
+	return int(x) & (1<<7 - 1)
+}

vendor/golang.org/x/sys/unix/asm_linux_386.s

@@ -10,21 +10,51 @@
 // System calls for 386, Linux
 //
 
+// See ../runtime/sys_linux_386.s for the reason why we always use int 0x80
+// instead of the glibc-specific "CALL 0x10(GS)".
+#define INVOKE_SYSCALL	INT	$0x80
+
 // Just jump to package syscall's implementation for all these functions.
 // The runtime may know about them.
 
-TEXT	·Syscall(SB),NOSPLIT,$0-28
+TEXT ·Syscall(SB),NOSPLIT,$0-28
 	JMP	syscall·Syscall(SB)
 
-TEXT	·Syscall6(SB),NOSPLIT,$0-40
+TEXT ·Syscall6(SB),NOSPLIT,$0-40
 	JMP	syscall·Syscall6(SB)
 
+TEXT ·SyscallNoError(SB),NOSPLIT,$0-24
+	CALL	runtime·entersyscall(SB)
+	MOVL	trap+0(FP), AX  // syscall entry
+	MOVL	a1+4(FP), BX
+	MOVL	a2+8(FP), CX
+	MOVL	a3+12(FP), DX
+	MOVL	$0, SI
+	MOVL	$0, DI
+	INVOKE_SYSCALL
+	MOVL	AX, r1+16(FP)
+	MOVL	DX, r2+20(FP)
+	CALL	runtime·exitsyscall(SB)
+	RET
+
 TEXT ·RawSyscall(SB),NOSPLIT,$0-28
 	JMP	syscall·RawSyscall(SB)
 
-TEXT	·RawSyscall6(SB),NOSPLIT,$0-40
+TEXT ·RawSyscall6(SB),NOSPLIT,$0-40
 	JMP	syscall·RawSyscall6(SB)
 
+TEXT ·RawSyscallNoError(SB),NOSPLIT,$0-24
+	MOVL	trap+0(FP), AX  // syscall entry
+	MOVL	a1+4(FP), BX
+	MOVL	a2+8(FP), CX
+	MOVL	a3+12(FP), DX
+	MOVL	$0, SI
+	MOVL	$0, DI
+	INVOKE_SYSCALL
+	MOVL	AX, r1+16(FP)
+	MOVL	DX, r2+20(FP)
+	RET
+
 TEXT ·socketcall(SB),NOSPLIT,$0-36
 	JMP	syscall·socketcall(SB)
 

vendor/golang.org/x/sys/unix/asm_linux_amd64.s

@@ -13,17 +13,45 @@
 // Just jump to package syscall's implementation for all these functions.
 // The runtime may know about them.
 
-TEXT	·Syscall(SB),NOSPLIT,$0-56
+TEXT ·Syscall(SB),NOSPLIT,$0-56
 	JMP	syscall·Syscall(SB)
 
 TEXT ·Syscall6(SB),NOSPLIT,$0-80
 	JMP	syscall·Syscall6(SB)
 
+TEXT ·SyscallNoError(SB),NOSPLIT,$0-48
+	CALL	runtime·entersyscall(SB)
+	MOVQ	a1+8(FP), DI
+	MOVQ	a2+16(FP), SI
+	MOVQ	a3+24(FP), DX
+	MOVQ	$0, R10
+	MOVQ	$0, R8
+	MOVQ	$0, R9
+	MOVQ	trap+0(FP), AX	// syscall entry
+	SYSCALL
+	MOVQ	AX, r1+32(FP)
+	MOVQ	DX, r2+40(FP)
+	CALL	runtime·exitsyscall(SB)
+	RET
+
 TEXT ·RawSyscall(SB),NOSPLIT,$0-56
 	JMP	syscall·RawSyscall(SB)
 
 TEXT ·RawSyscall6(SB),NOSPLIT,$0-80
 	JMP	syscall·RawSyscall6(SB)
 
+TEXT ·RawSyscallNoError(SB),NOSPLIT,$0-48
+	MOVQ	a1+8(FP), DI
+	MOVQ	a2+16(FP), SI
+	MOVQ	a3+24(FP), DX
+	MOVQ	$0, R10
+	MOVQ	$0, R8
+	MOVQ	$0, R9
+	MOVQ	trap+0(FP), AX	// syscall entry
+	SYSCALL
+	MOVQ	AX, r1+32(FP)
+	MOVQ	DX, r2+40(FP)
+	RET
+
 TEXT ·gettimeofday(SB),NOSPLIT,$0-16
 	JMP	syscall·gettimeofday(SB)

vendor/golang.org/x/sys/unix/asm_linux_arm.s

@@ -13,17 +13,44 @@
 // Just jump to package syscall's implementation for all these functions.
 // The runtime may know about them.
 
-TEXT	·Syscall(SB),NOSPLIT,$0-28
+TEXT ·Syscall(SB),NOSPLIT,$0-28
 	B	syscall·Syscall(SB)
 
-TEXT	·Syscall6(SB),NOSPLIT,$0-40
+TEXT ·Syscall6(SB),NOSPLIT,$0-40
 	B	syscall·Syscall6(SB)
 
+TEXT ·SyscallNoError(SB),NOSPLIT,$0-24
+	BL	runtime·entersyscall(SB)
+	MOVW	trap+0(FP), R7
+	MOVW	a1+4(FP), R0
+	MOVW	a2+8(FP), R1
+	MOVW	a3+12(FP), R2
+	MOVW	$0, R3
+	MOVW	$0, R4
+	MOVW	$0, R5
+	SWI	$0
+	MOVW	R0, r1+16(FP)
+	MOVW	$0, R0
+	MOVW	R0, r2+20(FP)
+	BL	runtime·exitsyscall(SB)
+	RET
+
 TEXT ·RawSyscall(SB),NOSPLIT,$0-28
 	B	syscall·RawSyscall(SB)
 
-TEXT	·RawSyscall6(SB),NOSPLIT,$0-40
+TEXT ·RawSyscall6(SB),NOSPLIT,$0-40
 	B	syscall·RawSyscall6(SB)
 
-TEXT ·seek(SB),NOSPLIT,$0-32
+TEXT ·RawSyscallNoError(SB),NOSPLIT,$0-24
+	MOVW	trap+0(FP), R7	// syscall entry
+	MOVW	a1+4(FP), R0
+	MOVW	a2+8(FP), R1
+	MOVW	a3+12(FP), R2
+	SWI	$0
+	MOVW	R0, r1+16(FP)
+	MOVW	$0, R0
+	MOVW	R0, r2+20(FP)
+	RET
+
+TEXT ·seek(SB),NOSPLIT,$0-28
 	B	syscall·seek(SB)

vendor/golang.org/x/sys/unix/asm_linux_arm64.s

@@ -11,14 +11,42 @@
 // Just jump to package syscall's implementation for all these functions.
 // The runtime may know about them.
 
-TEXT	·Syscall(SB),NOSPLIT,$0-56
+TEXT ·Syscall(SB),NOSPLIT,$0-56
 	B	syscall·Syscall(SB)
 
 TEXT ·Syscall6(SB),NOSPLIT,$0-80
 	B	syscall·Syscall6(SB)
 
+TEXT ·SyscallNoError(SB),NOSPLIT,$0-48
+	BL	runtime·entersyscall(SB)
+	MOVD	a1+8(FP), R0
+	MOVD	a2+16(FP), R1
+	MOVD	a3+24(FP), R2
+	MOVD	$0, R3
+	MOVD	$0, R4
+	MOVD	$0, R5
+	MOVD	trap+0(FP), R8	// syscall entry
+	SVC
+	MOVD	R0, r1+32(FP)	// r1
+	MOVD	R1, r2+40(FP)	// r2
+	BL	runtime·exitsyscall(SB)
+	RET
+
 TEXT ·RawSyscall(SB),NOSPLIT,$0-56
 	B	syscall·RawSyscall(SB)
 
 TEXT ·RawSyscall6(SB),NOSPLIT,$0-80
 	B	syscall·RawSyscall6(SB)
+
+TEXT ·RawSyscallNoError(SB),NOSPLIT,$0-48
+	MOVD	a1+8(FP), R0
+	MOVD	a2+16(FP), R1
+	MOVD	a3+24(FP), R2
+	MOVD	$0, R3
+	MOVD	$0, R4
+	MOVD	$0, R5
+	MOVD	trap+0(FP), R8	// syscall entry
+	SVC
+	MOVD	R0, r1+32(FP)
+	MOVD	R1, r2+40(FP)
+	RET

vendor/golang.org/x/sys/unix/asm_linux_mips64x.s

@@ -15,14 +15,42 @@
 // Just jump to package syscall's implementation for all these functions.
 // The runtime may know about them.
 
-TEXT	·Syscall(SB),NOSPLIT,$0-56
+TEXT ·Syscall(SB),NOSPLIT,$0-56
 	JMP	syscall·Syscall(SB)
 
-TEXT	·Syscall6(SB),NOSPLIT,$0-80
+TEXT ·Syscall6(SB),NOSPLIT,$0-80
 	JMP	syscall·Syscall6(SB)
 
-TEXT	·RawSyscall(SB),NOSPLIT,$0-56
+TEXT ·SyscallNoError(SB),NOSPLIT,$0-48
+	JAL	runtime·entersyscall(SB)
+	MOVV	a1+8(FP), R4
+	MOVV	a2+16(FP), R5
+	MOVV	a3+24(FP), R6
+	MOVV	R0, R7
+	MOVV	R0, R8
+	MOVV	R0, R9
+	MOVV	trap+0(FP), R2	// syscall entry
+	SYSCALL
+	MOVV	R2, r1+32(FP)
+	MOVV	R3, r2+40(FP)
+	JAL	runtime·exitsyscall(SB)
+	RET
+
+TEXT ·RawSyscall(SB),NOSPLIT,$0-56
 	JMP	syscall·RawSyscall(SB)
 
-TEXT	·RawSyscall6(SB),NOSPLIT,$0-80
+TEXT ·RawSyscall6(SB),NOSPLIT,$0-80
 	JMP	syscall·RawSyscall6(SB)
+
+TEXT ·RawSyscallNoError(SB),NOSPLIT,$0-48
+	MOVV	a1+8(FP), R4
+	MOVV	a2+16(FP), R5
+	MOVV	a3+24(FP), R6
+	MOVV	R0, R7
+	MOVV	R0, R8
+	MOVV	R0, R9
+	MOVV	trap+0(FP), R2	// syscall entry
+	SYSCALL
+	MOVV	R2, r1+32(FP)
+	MOVV	R3, r2+40(FP)
+	RET

vendor/golang.org/x/sys/unix/asm_linux_mipsx.s

@@ -15,17 +15,40 @@
 // Just jump to package syscall's implementation for all these functions.
 // The runtime may know about them.
 
-TEXT	·Syscall(SB),NOSPLIT,$0-28
+TEXT ·Syscall(SB),NOSPLIT,$0-28
 	JMP syscall·Syscall(SB)
 
-TEXT	·Syscall6(SB),NOSPLIT,$0-40
+TEXT ·Syscall6(SB),NOSPLIT,$0-40
 	JMP syscall·Syscall6(SB)
 
-TEXT	·Syscall9(SB),NOSPLIT,$0-52
+TEXT ·Syscall9(SB),NOSPLIT,$0-52
 	JMP syscall·Syscall9(SB)
 
-TEXT	·RawSyscall(SB),NOSPLIT,$0-28
+TEXT ·SyscallNoError(SB),NOSPLIT,$0-24
+	JAL	runtime·entersyscall(SB)
+	MOVW	a1+4(FP), R4
+	MOVW	a2+8(FP), R5
+	MOVW	a3+12(FP), R6
+	MOVW	R0, R7
+	MOVW	trap+0(FP), R2	// syscall entry
+	SYSCALL
+	MOVW	R2, r1+16(FP)	// r1
+	MOVW	R3, r2+20(FP)	// r2
+	JAL	runtime·exitsyscall(SB)
+	RET
+
+TEXT ·RawSyscall(SB),NOSPLIT,$0-28
 	JMP syscall·RawSyscall(SB)
 
-TEXT	·RawSyscall6(SB),NOSPLIT,$0-40
+TEXT ·RawSyscall6(SB),NOSPLIT,$0-40
 	JMP syscall·RawSyscall6(SB)
+
+TEXT ·RawSyscallNoError(SB),NOSPLIT,$0-24
+	MOVW	a1+4(FP), R4
+	MOVW	a2+8(FP), R5
+	MOVW	a3+12(FP), R6
+	MOVW	trap+0(FP), R2	// syscall entry
+	SYSCALL
+	MOVW	R2, r1+16(FP)
+	MOVW	R3, r2+20(FP)
+	RET

vendor/golang.org/x/sys/unix/asm_linux_ppc64x.s

@@ -15,14 +15,42 @@
 // Just jump to package syscall's implementation for all these functions.
 // The runtime may know about them.
 
-TEXT	·Syscall(SB),NOSPLIT,$0-56
+TEXT ·Syscall(SB),NOSPLIT,$0-56
 	BR	syscall·Syscall(SB)
 
 TEXT ·Syscall6(SB),NOSPLIT,$0-80
 	BR	syscall·Syscall6(SB)
 
+TEXT ·SyscallNoError(SB),NOSPLIT,$0-48
+	BL	runtime·entersyscall(SB)
+	MOVD	a1+8(FP), R3
+	MOVD	a2+16(FP), R4
+	MOVD	a3+24(FP), R5
+	MOVD	R0, R6
+	MOVD	R0, R7
+	MOVD	R0, R8
+	MOVD	trap+0(FP), R9	// syscall entry
+	SYSCALL R9
+	MOVD	R3, r1+32(FP)
+	MOVD	R4, r2+40(FP)
+	BL	runtime·exitsyscall(SB)
+	RET
+
 TEXT ·RawSyscall(SB),NOSPLIT,$0-56
 	BR	syscall·RawSyscall(SB)
 
 TEXT ·RawSyscall6(SB),NOSPLIT,$0-80
 	BR	syscall·RawSyscall6(SB)
+
+TEXT ·RawSyscallNoError(SB),NOSPLIT,$0-48
+	MOVD	a1+8(FP), R3
+	MOVD	a2+16(FP), R4
+	MOVD	a3+24(FP), R5
+	MOVD	R0, R6
+	MOVD	R0, R7
+	MOVD	R0, R8
+	MOVD	trap+0(FP), R9	// syscall entry
+	SYSCALL R9
+	MOVD	R3, r1+32(FP)
+	MOVD	R4, r2+40(FP)
+	RET

vendor/golang.org/x/sys/unix/asm_linux_s390x.s

@@ -21,8 +21,36 @@ TEXT ·Syscall(SB),NOSPLIT,$0-56
 TEXT ·Syscall6(SB),NOSPLIT,$0-80
 	BR	syscall·Syscall6(SB)
 
+TEXT ·SyscallNoError(SB),NOSPLIT,$0-48
+	BL	runtime·entersyscall(SB)
+	MOVD	a1+8(FP), R2
+	MOVD	a2+16(FP), R3
+	MOVD	a3+24(FP), R4
+	MOVD	$0, R5
+	MOVD	$0, R6
+	MOVD	$0, R7
+	MOVD	trap+0(FP), R1	// syscall entry
+	SYSCALL
+	MOVD	R2, r1+32(FP)
+	MOVD	R3, r2+40(FP)
+	BL	runtime·exitsyscall(SB)
+	RET
+
 TEXT ·RawSyscall(SB),NOSPLIT,$0-56
 	BR	syscall·RawSyscall(SB)
 
 TEXT ·RawSyscall6(SB),NOSPLIT,$0-80
 	BR	syscall·RawSyscall6(SB)
+
+TEXT ·RawSyscallNoError(SB),NOSPLIT,$0-48
+	MOVD	a1+8(FP), R2
+	MOVD	a2+16(FP), R3
+	MOVD	a3+24(FP), R4
+	MOVD	$0, R5
+	MOVD	$0, R6
+	MOVD	$0, R7
+	MOVD	trap+0(FP), R1	// syscall entry
+	SYSCALL
+	MOVD	R2, r1+32(FP)
+	MOVD	R3, r2+40(FP)
+	RET

vendor/golang.org/x/sys/unix/dirent.go

@@ -6,97 +6,12 @@
 
 package unix
 
-import "unsafe"
-
-// readInt returns the size-bytes unsigned integer in native byte order at offset off.
-func readInt(b []byte, off, size uintptr) (u uint64, ok bool) {
-	if len(b) < int(off+size) {
-		return 0, false
-	}
-	if isBigEndian {
-		return readIntBE(b[off:], size), true
-	}
-	return readIntLE(b[off:], size), true
-}
-
-func readIntBE(b []byte, size uintptr) uint64 {
-	switch size {
-	case 1:
-		return uint64(b[0])
-	case 2:
-		_ = b[1] // bounds check hint to compiler; see golang.org/issue/14808
-		return uint64(b[1]) | uint64(b[0])<<8
-	case 4:
-		_ = b[3] // bounds check hint to compiler; see golang.org/issue/14808
-		return uint64(b[3]) | uint64(b[2])<<8 | uint64(b[1])<<16 | uint64(b[0])<<24
-	case 8:
-		_ = b[7] // bounds check hint to compiler; see golang.org/issue/14808
-		return uint64(b[7]) | uint64(b[6])<<8 | uint64(b[5])<<16 | uint64(b[4])<<24 |
-			uint64(b[3])<<32 | uint64(b[2])<<40 | uint64(b[1])<<48 | uint64(b[0])<<56
-	default:
-		panic("syscall: readInt with unsupported size")
-	}
-}
-
-func readIntLE(b []byte, size uintptr) uint64 {
-	switch size {
-	case 1:
-		return uint64(b[0])
-	case 2:
-		_ = b[1] // bounds check hint to compiler; see golang.org/issue/14808
-		return uint64(b[0]) | uint64(b[1])<<8
-	case 4:
-		_ = b[3] // bounds check hint to compiler; see golang.org/issue/14808
-		return uint64(b[0]) | uint64(b[1])<<8 | uint64(b[2])<<16 | uint64(b[3])<<24
-	case 8:
-		_ = b[7] // bounds check hint to compiler; see golang.org/issue/14808
-		return uint64(b[0]) | uint64(b[1])<<8 | uint64(b[2])<<16 | uint64(b[3])<<24 |
-			uint64(b[4])<<32 | uint64(b[5])<<40 | uint64(b[6])<<48 | uint64(b[7])<<56
-	default:
-		panic("syscall: readInt with unsupported size")
-	}
-}
+import "syscall"
 
 // ParseDirent parses up to max directory entries in buf,
 // appending the names to names. It returns the number of
 // bytes consumed from buf, the number of entries added
 // to names, and the new names slice.
 func ParseDirent(buf []byte, max int, names []string) (consumed int, count int, newnames []string) {
-	origlen := len(buf)
-	count = 0
-	for max != 0 && len(buf) > 0 {
-		reclen, ok := direntReclen(buf)
-		if !ok || reclen > uint64(len(buf)) {
-			return origlen, count, names
-		}
-		rec := buf[:reclen]
-		buf = buf[reclen:]
-		ino, ok := direntIno(rec)
-		if !ok {
-			break
-		}
-		if ino == 0 { // File absent in directory.
-			continue
-		}
-		const namoff = uint64(unsafe.Offsetof(Dirent{}.Name))
-		namlen, ok := direntNamlen(rec)
-		if !ok || namoff+namlen > uint64(len(rec)) {
-			break
-		}
-		name := rec[namoff : namoff+namlen]
-		for i, c := range name {
-			if c == 0 {
-				name = name[:i]
-				break
-			}
-		}
-		// Check for useless names before allocating a string.
-		if string(name) == "." || string(name) == ".." {
-			continue
-		}
-		max--
-		count++
-		names = append(names, string(name))
-	}
-	return origlen - len(buf), count, names
+	return syscall.ParseDirent(buf, max, names)
 }

vendor/golang.org/x/sys/unix/env_unix.go

@@ -25,3 +25,7 @@ func Clearenv() {
 func Environ() []string {
 	return syscall.Environ()
 }
+
+func Unsetenv(key string) error {
+	return syscall.Unsetenv(key)
+}

vendor/golang.org/x/sys/unix/env_unset.go

@@ -1,14 +0,0 @@
-// Copyright 2014 The Go Authors. All rights reserved.
-// Use of this source code is governed by a BSD-style
-// license that can be found in the LICENSE file.
-
-// +build go1.4
-
-package unix
-
-import "syscall"
-
-func Unsetenv(key string) error {
-	// This was added in Go 1.4.
-	return syscall.Unsetenv(key)
-}

vendor/golang.org/x/sys/unix/file_unix.go

@@ -1,27 +0,0 @@
-// Copyright 2017 The Go Authors. All rights reserved.
-// Use of this source code is governed by a BSD-style
-// license that can be found in the LICENSE file.
-
-package unix
-
-import (
-	"os"
-	"syscall"
-)
-
-// FIXME: unexported function from os
-// syscallMode returns the syscall-specific mode bits from Go's portable mode bits.
-func syscallMode(i os.FileMode) (o uint32) {
-	o |= uint32(i.Perm())
-	if i&os.ModeSetuid != 0 {
-		o |= syscall.S_ISUID
-	}
-	if i&os.ModeSetgid != 0 {
-		o |= syscall.S_ISGID
-	}
-	if i&os.ModeSticky != 0 {
-		o |= syscall.S_ISVTX
-	}
-	// No mapping for Go's ModeTemporary (plan9 only).
-	return
-}

vendor/golang.org/x/sys/unix/gccgo.go

@@ -11,9 +11,19 @@ import "syscall"
 // We can't use the gc-syntax .s files for gccgo. On the plus side
 // much of the functionality can be written directly in Go.
 
+//extern gccgoRealSyscallNoError
+func realSyscallNoError(trap, a1, a2, a3, a4, a5, a6, a7, a8, a9 uintptr) (r uintptr)
+
 //extern gccgoRealSyscall
 func realSyscall(trap, a1, a2, a3, a4, a5, a6, a7, a8, a9 uintptr) (r, errno uintptr)
 
+func SyscallNoError(trap, a1, a2, a3 uintptr) (r1, r2 uintptr) {
+	syscall.Entersyscall()
+	r := realSyscallNoError(trap, a1, a2, a3, 0, 0, 0, 0, 0, 0)
+	syscall.Exitsyscall()
+	return r, 0
+}
+
 func Syscall(trap, a1, a2, a3 uintptr) (r1, r2 uintptr, err syscall.Errno) {
 	syscall.Entersyscall()
 	r, errno := realSyscall(trap, a1, a2, a3, 0, 0, 0, 0, 0, 0)
@@ -35,6 +45,11 @@ func Syscall9(trap, a1, a2, a3, a4, a5, a6, a7, a8, a9 uintptr) (r1, r2 uintptr,
 	return r, 0, syscall.Errno(errno)
 }
 
+func RawSyscallNoError(trap, a1, a2, a3 uintptr) (r1, r2 uintptr) {
+	r := realSyscallNoError(trap, a1, a2, a3, 0, 0, 0, 0, 0, 0)
+	return r, 0
+}
+
 func RawSyscall(trap, a1, a2, a3 uintptr) (r1, r2 uintptr, err syscall.Errno) {
 	r, errno := realSyscall(trap, a1, a2, a3, 0, 0, 0, 0, 0, 0)
 	return r, 0, syscall.Errno(errno)

vendor/golang.org/x/sys/unix/gccgo_c.c

@@ -31,6 +31,12 @@ gccgoRealSyscall(uintptr_t trap, uintptr_t a1, uintptr_t a2, uintptr_t a3, uintp
 	return r;
 }
 
+uintptr_t
+gccgoRealSyscallNoError(uintptr_t trap, uintptr_t a1, uintptr_t a2, uintptr_t a3, uintptr_t a4, uintptr_t a5, uintptr_t a6, uintptr_t a7, uintptr_t a8, uintptr_t a9)
+{
+	return syscall(trap, a1, a2, a3, a4, a5, a6, a7, a8, a9);
+}
+
 // Define the use function in C so that it is not inlined.
 
 extern void use(void *) __asm__ (GOSYM_PREFIX GOPKGPATH ".use") __attribute__((noinline));

vendor/golang.org/x/sys/unix/mkall.sh

@@ -80,12 +80,6 @@ darwin_arm64)
 	mksysnum="./mksysnum_darwin.pl $(xcrun --show-sdk-path --sdk iphoneos)/usr/include/sys/syscall.h"
 	mktypes="GOARCH=$GOARCH go tool cgo -godefs"
 	;;
-dragonfly_386)
-	mkerrors="$mkerrors -m32"
-	mksyscall="./mksyscall.pl -l32 -dragonfly"
-	mksysnum="curl -s 'http://gitweb.dragonflybsd.org/dragonfly.git/blob_plain/HEAD:/sys/kern/syscalls.master' | ./mksysnum_dragonfly.pl"
-	mktypes="GOARCH=$GOARCH go tool cgo -godefs"
-	;;
 dragonfly_amd64)
 	mkerrors="$mkerrors -m64"
 	mksyscall="./mksyscall.pl -dragonfly"

vendor/golang.org/x/sys/unix/mkerrors.sh

@@ -38,6 +38,8 @@ includes_Darwin='
 #define _DARWIN_C_SOURCE
 #define KERNEL
 #define _DARWIN_USE_64_BIT_INODE
+#include <stdint.h>
+#include <sys/attr.h>
 #include <sys/types.h>
 #include <sys/event.h>
 #include <sys/ptrace.h>
@@ -46,6 +48,7 @@ includes_Darwin='
 #include <sys/sysctl.h>
 #include <sys/mman.h>
 #include <sys/mount.h>
+#include <sys/utsname.h>
 #include <sys/wait.h>
 #include <net/bpf.h>
 #include <net/if.h>
@@ -184,6 +187,7 @@ struct ltchars {
 #include <linux/vm_sockets.h>
 #include <linux/taskstats.h>
 #include <linux/genetlink.h>
+#include <linux/stat.h>
 #include <linux/watchdog.h>
 #include <net/route.h>
 #include <asm/termbits.h>
@@ -384,7 +388,9 @@ ccflags="$@"
 		$2 == "SOMAXCONN" ||
 		$2 == "NAME_MAX" ||
 		$2 == "IFNAMSIZ" ||
-		$2 ~ /^CTL_(MAXNAME|NET|QUERY)$/ ||
+		$2 ~ /^CTL_(HW|KERN|MAXNAME|NET|QUERY)$/ ||
+		$2 ~ /^KERN_(HOSTNAME|OS(RELEASE|TYPE)|VERSION)$/ ||
+		$2 ~ /^HW_MACHINE$/ ||
 		$2 ~ /^SYSCTL_VERS/ ||
 		$2 ~ /^(MS|MNT|UMOUNT)_/ ||
 		$2 ~ /^TUN(SET|GET|ATTACH|DETACH)/ ||
@@ -419,10 +425,15 @@ ccflags="$@"
 		$2 ~ /^SECCOMP_MODE_/ ||
 		$2 ~ /^SPLICE_/ ||
 		$2 ~ /^(VM|VMADDR)_/ ||
+		$2 ~ /^IOCTL_VM_SOCKETS_/ ||
 		$2 ~ /^(TASKSTATS|TS)_/ ||
+		$2 ~ /^CGROUPSTATS_/ ||
 		$2 ~ /^GENL_/ ||
+		$2 ~ /^STATX_/ ||
 		$2 ~ /^UTIME_/ ||
 		$2 ~ /^XATTR_(CREATE|REPLACE)/ ||
+		$2 ~ /^ATTR_(BIT_MAP_COUNT|(CMN|VOL|FILE)_)/ ||
+		$2 ~ /^FSOPT_/ ||
 		$2 ~ /^WDIOC_/ ||
 		$2 !~ "WMESGLEN" &&
 		$2 ~ /^W[A-Z0-9]+$/ ||

vendor/golang.org/x/sys/unix/mksyscall.pl

@@ -210,7 +210,15 @@ while(<>) {
 	# Determine which form to use; pad args with zeros.
 	my $asm = "Syscall";
 	if ($nonblock) {
-		$asm = "RawSyscall";
+		if ($errvar ne "") {
+			$asm = "RawSyscall";
+		} else {
+			$asm = "RawSyscallNoError";
+		}
+	} else {
+		if ($errvar eq "") {
+			$asm = "SyscallNoError";
+		}
 	}
 	if(@args <= 3) {
 		while(@args < 3) {
@@ -284,7 +292,11 @@ while(<>) {
 	if ($ret[0] eq "_" && $ret[1] eq "_" && $ret[2] eq "_") {
 		$text .= "\t$call\n";
 	} else {
-		$text .= "\t$ret[0], $ret[1], $ret[2] := $call\n";
+		if ($errvar ne "") {
+			$text .= "\t$ret[0], $ret[1], $ret[2] := $call\n";
+		} else {
+			$text .= "\t$ret[0], $ret[1] := $call\n";
+		}
 	}
 	$text .= $body;
 

vendor/golang.org/x/sys/unix/syscall_bsd.go

@@ -352,6 +352,18 @@ func GetsockoptICMPv6Filter(fd, level, opt int) (*ICMPv6Filter, error) {
 	return &value, err
 }
 
+// GetsockoptString returns the string value of the socket option opt for the
+// socket associated with fd at the given socket level.
+func GetsockoptString(fd, level, opt int) (string, error) {
+	buf := make([]byte, 256)
+	vallen := _Socklen(len(buf))
+	err := getsockopt(fd, level, opt, unsafe.Pointer(&buf[0]), &vallen)
+	if err != nil {
+		return "", err
+	}
+	return string(buf[:vallen-1]), nil
+}
+
 //sys   recvfrom(fd int, p []byte, flags int, from *RawSockaddrAny, fromlen *_Socklen) (n int, err error)
 //sys   sendto(s int, buf []byte, flags int, to unsafe.Pointer, addrlen _Socklen) (err error)
 //sys	recvmsg(s int, msg *Msghdr, flags int) (n int, err error)
@@ -570,7 +582,12 @@ func UtimesNano(path string, ts []Timespec) error {
 	if len(ts) != 2 {
 		return EINVAL
 	}
-	err := utimensat(AT_FDCWD, path, (*[2]Timespec)(unsafe.Pointer(&ts[0])), 0)
+	// Darwin setattrlist can set nanosecond timestamps
+	err := setattrlistTimes(path, ts, 0)
+	if err != ENOSYS {
+		return err
+	}
+	err = utimensat(AT_FDCWD, path, (*[2]Timespec)(unsafe.Pointer(&ts[0])), 0)
 	if err != ENOSYS {
 		return err
 	}
@@ -590,6 +607,10 @@ func UtimesNanoAt(dirfd int, path string, ts []Timespec, flags int) error {
 	if len(ts) != 2 {
 		return EINVAL
 	}
+	err := setattrlistTimes(path, ts, flags)
+	if err != ENOSYS {
+		return err
+	}
 	return utimensat(dirfd, path, (*[2]Timespec)(unsafe.Pointer(&ts[0])), flags)
 }
 

vendor/golang.org/x/sys/unix/syscall_darwin.go

@@ -76,18 +76,6 @@ func nametomib(name string) (mib []_C_int, err error) {
 	return buf[0 : n/siz], nil
 }
 
-func direntIno(buf []byte) (uint64, bool) {
-	return readInt(buf, unsafe.Offsetof(Dirent{}.Ino), unsafe.Sizeof(Dirent{}.Ino))
-}
-
-func direntReclen(buf []byte) (uint64, bool) {
-	return readInt(buf, unsafe.Offsetof(Dirent{}.Reclen), unsafe.Sizeof(Dirent{}.Reclen))
-}
-
-func direntNamlen(buf []byte) (uint64, bool) {
-	return readInt(buf, unsafe.Offsetof(Dirent{}.Namlen), unsafe.Sizeof(Dirent{}.Namlen))
-}
-
 //sys   ptrace(request int, pid int, addr uintptr, data uintptr) (err error)
 func PtraceAttach(pid int) (err error) { return ptrace(PT_ATTACH, pid, 0, 0) }
 func PtraceDetach(pid int) (err error) { return ptrace(PT_DETACH, pid, 0, 0) }
@@ -187,6 +175,37 @@ func Getfsstat(buf []Statfs_t, flags int) (n int, err error) {
 	return
 }
 
+func setattrlistTimes(path string, times []Timespec, flags int) error {
+	_p0, err := BytePtrFromString(path)
+	if err != nil {
+		return err
+	}
+
+	var attrList attrList
+	attrList.bitmapCount = ATTR_BIT_MAP_COUNT
+	attrList.CommonAttr = ATTR_CMN_MODTIME | ATTR_CMN_ACCTIME
+
+	// order is mtime, atime: the opposite of Chtimes
+	attributes := [2]Timespec{times[1], times[0]}
+	options := 0
+	if flags&AT_SYMLINK_NOFOLLOW != 0 {
+		options |= FSOPT_NOFOLLOW
+	}
+	_, _, e1 := Syscall6(
+		SYS_SETATTRLIST,
+		uintptr(unsafe.Pointer(_p0)),
+		uintptr(unsafe.Pointer(&attrList)),
+		uintptr(unsafe.Pointer(&attributes)),
+		uintptr(unsafe.Sizeof(attributes)),
+		uintptr(options),
+		0,
+	)
+	if e1 != 0 {
+		return e1
+	}
+	return nil
+}
+
 func utimensat(dirfd int, path string, times *[2]Timespec, flags int) error {
 	// Darwin doesn't support SYS_UTIMENSAT
 	return ENOSYS
@@ -239,6 +258,52 @@ func IoctlGetTermios(fd int, req uint) (*Termios, error) {
 	return &value, err
 }
 
+func Uname(uname *Utsname) error {
+	mib := []_C_int{CTL_KERN, KERN_OSTYPE}
+	n := unsafe.Sizeof(uname.Sysname)
+	if err := sysctl(mib, &uname.Sysname[0], &n, nil, 0); err != nil {
+		return err
+	}
+
+	mib = []_C_int{CTL_KERN, KERN_HOSTNAME}
+	n = unsafe.Sizeof(uname.Nodename)
+	if err := sysctl(mib, &uname.Nodename[0], &n, nil, 0); err != nil {
+		return err
+	}
+
+	mib = []_C_int{CTL_KERN, KERN_OSRELEASE}
+	n = unsafe.Sizeof(uname.Release)
+	if err := sysctl(mib, &uname.Release[0], &n, nil, 0); err != nil {
+		return err
+	}
+
+	mib = []_C_int{CTL_KERN, KERN_VERSION}
+	n = unsafe.Sizeof(uname.Version)
+	if err := sysctl(mib, &uname.Version[0], &n, nil, 0); err != nil {
+		return err
+	}
+
+	// The version might have newlines or tabs in it, convert them to
+	// spaces.
+	for i, b := range uname.Version {
+		if b == '\n' || b == '\t' {
+			if i == len(uname.Version)-1 {
+				uname.Version[i] = 0
+			} else {
+				uname.Version[i] = ' '
+			}
+		}
+	}
+
+	mib = []_C_int{CTL_HW, HW_MACHINE}
+	n = unsafe.Sizeof(uname.Machine)
+	if err := sysctl(mib, &uname.Machine[0], &n, nil, 0); err != nil {
+		return err
+	}
+
+	return nil
+}
+
 /*
  * Exposed directly
  */

vendor/golang.org/x/sys/unix/syscall_darwin_arm.go

@@ -60,3 +60,7 @@ func sendfile(outfd int, infd int, offset *int64, count int) (written int, err e
 }
 
 func Syscall9(num, a1, a2, a3, a4, a5, a6, a7, a8, a9 uintptr) (r1, r2 uintptr, err syscall.Errno) // sic
+
+// SYS___SYSCTL is used by syscall_bsd.go for all BSDs, but in modern versions
+// of darwin/arm the syscall is called sysctl instead of __sysctl.
+const SYS___SYSCTL = SYS_SYSCTL

vendor/golang.org/x/sys/unix/syscall_dragonfly.go

@@ -56,22 +56,6 @@ func nametomib(name string) (mib []_C_int, err error) {
 	return buf[0 : n/siz], nil
 }
 
-func direntIno(buf []byte) (uint64, bool) {
-	return readInt(buf, unsafe.Offsetof(Dirent{}.Fileno), unsafe.Sizeof(Dirent{}.Fileno))
-}
-
-func direntReclen(buf []byte) (uint64, bool) {
-	namlen, ok := direntNamlen(buf)
-	if !ok {
-		return 0, false
-	}
-	return (16 + namlen + 1 + 7) &^ 7, true
-}
-
-func direntNamlen(buf []byte) (uint64, bool) {
-	return readInt(buf, unsafe.Offsetof(Dirent{}.Namlen), unsafe.Sizeof(Dirent{}.Namlen))
-}
-
 //sysnb pipe() (r int, w int, err error)
 
 func Pipe(p []int) (err error) {
@@ -110,6 +94,23 @@ func Accept4(fd, flags int) (nfd int, sa Sockaddr, err error) {
 	return
 }
 
+const ImplementsGetwd = true
+
+//sys	Getcwd(buf []byte) (n int, err error) = SYS___GETCWD
+
+func Getwd() (string, error) {
+	var buf [PathMax]byte
+	_, err := Getcwd(buf[0:])
+	if err != nil {
+		return "", err
+	}
+	n := clen(buf[:])
+	if n < 1 {
+		return "", EINVAL
+	}
+	return string(buf[:n]), nil
+}
+
 func Getfsstat(buf []Statfs_t, flags int) (n int, err error) {
 	var _p0 unsafe.Pointer
 	var bufsize uintptr
@@ -125,6 +126,113 @@ func Getfsstat(buf []Statfs_t, flags int) (n int, err error) {
 	return
 }
 
+func setattrlistTimes(path string, times []Timespec, flags int) error {
+	// used on Darwin for UtimesNano
+	return ENOSYS
+}
+
+//sys	ioctl(fd int, req uint, arg uintptr) (err error)
+
+// ioctl itself should not be exposed directly, but additional get/set
+// functions for specific types are permissible.
+
+// IoctlSetInt performs an ioctl operation which sets an integer value
+// on fd, using the specified request number.
+func IoctlSetInt(fd int, req uint, value int) error {
+	return ioctl(fd, req, uintptr(value))
+}
+
+func IoctlSetWinsize(fd int, req uint, value *Winsize) error {
+	return ioctl(fd, req, uintptr(unsafe.Pointer(value)))
+}
+
+func IoctlSetTermios(fd int, req uint, value *Termios) error {
+	return ioctl(fd, req, uintptr(unsafe.Pointer(value)))
+}
+
+// IoctlGetInt performs an ioctl operation which gets an integer value
+// from fd, using the specified request number.
+func IoctlGetInt(fd int, req uint) (int, error) {
+	var value int
+	err := ioctl(fd, req, uintptr(unsafe.Pointer(&value)))
+	return value, err
+}
+
+func IoctlGetWinsize(fd int, req uint) (*Winsize, error) {
+	var value Winsize
+	err := ioctl(fd, req, uintptr(unsafe.Pointer(&value)))
+	return &value, err
+}
+
+func IoctlGetTermios(fd int, req uint) (*Termios, error) {
+	var value Termios
+	err := ioctl(fd, req, uintptr(unsafe.Pointer(&value)))
+	return &value, err
+}
+
+func sysctlUname(mib []_C_int, old *byte, oldlen *uintptr) error {
+	err := sysctl(mib, old, oldlen, nil, 0)
+	if err != nil {
+		// Utsname members on Dragonfly are only 32 bytes and
+		// the syscall returns ENOMEM in case the actual value
+		// is longer.
+		if err == ENOMEM {
+			err = nil
+		}
+	}
+	return err
+}
+
+func Uname(uname *Utsname) error {
+	mib := []_C_int{CTL_KERN, KERN_OSTYPE}
+	n := unsafe.Sizeof(uname.Sysname)
+	if err := sysctlUname(mib, &uname.Sysname[0], &n); err != nil {
+		return err
+	}
+	uname.Sysname[unsafe.Sizeof(uname.Sysname)-1] = 0
+
+	mib = []_C_int{CTL_KERN, KERN_HOSTNAME}
+	n = unsafe.Sizeof(uname.Nodename)
+	if err := sysctlUname(mib, &uname.Nodename[0], &n); err != nil {
+		return err
+	}
+	uname.Nodename[unsafe.Sizeof(uname.Nodename)-1] = 0
+
+	mib = []_C_int{CTL_KERN, KERN_OSRELEASE}
+	n = unsafe.Sizeof(uname.Release)
+	if err := sysctlUname(mib, &uname.Release[0], &n); err != nil {
+		return err
+	}
+	uname.Release[unsafe.Sizeof(uname.Release)-1] = 0
+
+	mib = []_C_int{CTL_KERN, KERN_VERSION}
+	n = unsafe.Sizeof(uname.Version)
+	if err := sysctlUname(mib, &uname.Version[0], &n); err != nil {
+		return err
+	}
+
+	// The version might have newlines or tabs in it, convert them to
+	// spaces.
+	for i, b := range uname.Version {
+		if b == '\n' || b == '\t' {
+			if i == len(uname.Version)-1 {
+				uname.Version[i] = 0
+			} else {
+				uname.Version[i] = ' '
+			}
+		}
+	}
+
+	mib = []_C_int{CTL_HW, HW_MACHINE}
+	n = unsafe.Sizeof(uname.Machine)
+	if err := sysctlUname(mib, &uname.Machine[0], &n); err != nil {
+		return err
+	}
+	uname.Machine[unsafe.Sizeof(uname.Machine)-1] = 0
+
+	return nil
+}
+
 /*
  * Exposed directly
  */
@@ -225,7 +333,6 @@ func Getfsstat(buf []Statfs_t, flags int) (n int, err error) {
 // Getlogin
 // Sigpending
 // Sigaltstack
-// Ioctl
 // Reboot
 // Execve
 // Vfork

vendor/golang.org/x/sys/unix/syscall_freebsd.go

@@ -54,18 +54,6 @@ func nametomib(name string) (mib []_C_int, err error) {
 	return buf[0 : n/siz], nil
 }
 
-func direntIno(buf []byte) (uint64, bool) {
-	return readInt(buf, unsafe.Offsetof(Dirent{}.Fileno), unsafe.Sizeof(Dirent{}.Fileno))
-}
-
-func direntReclen(buf []byte) (uint64, bool) {
-	return readInt(buf, unsafe.Offsetof(Dirent{}.Reclen), unsafe.Sizeof(Dirent{}.Reclen))
-}
-
-func direntNamlen(buf []byte) (uint64, bool) {
-	return readInt(buf, unsafe.Offsetof(Dirent{}.Namlen), unsafe.Sizeof(Dirent{}.Namlen))
-}
-
 //sysnb pipe() (r int, w int, err error)
 
 func Pipe(p []int) (err error) {
@@ -105,6 +93,23 @@ func Accept4(fd, flags int) (nfd int, sa Sockaddr, err error) {
 	return
 }
 
+const ImplementsGetwd = true
+
+//sys	Getcwd(buf []byte) (n int, err error) = SYS___GETCWD
+
+func Getwd() (string, error) {
+	var buf [PathMax]byte
+	_, err := Getcwd(buf[0:])
+	if err != nil {
+		return "", err
+	}
+	n := clen(buf[:])
+	if n < 1 {
+		return "", EINVAL
+	}
+	return string(buf[:n]), nil
+}
+
 func Getfsstat(buf []Statfs_t, flags int) (n int, err error) {
 	var _p0 unsafe.Pointer
 	var bufsize uintptr
@@ -120,6 +125,11 @@ func Getfsstat(buf []Statfs_t, flags int) (n int, err error) {
 	return
 }
 
+func setattrlistTimes(path string, times []Timespec, flags int) error {
+	// used on Darwin for UtimesNano
+	return ENOSYS
+}
+
 // Derive extattr namespace and attribute name
 
 func xattrnamespace(fullattr string) (ns int, attr string, err error) {
@@ -271,7 +281,6 @@ func Listxattr(file string, dest []byte) (sz int, err error) {
 
 	// FreeBSD won't allow you to list xattrs from multiple namespaces
 	s := 0
-	var e error
 	for _, nsid := range [...]int{EXTATTR_NAMESPACE_USER, EXTATTR_NAMESPACE_SYSTEM} {
 		stmp, e := ExtattrListFile(file, nsid, uintptr(d), destsiz)
 
@@ -283,7 +292,6 @@ func Listxattr(file string, dest []byte) (sz int, err error) {
 		 * we don't have read permissions on, so don't ignore those errors
 		 */
 		if e != nil && e == EPERM && nsid != EXTATTR_NAMESPACE_USER {
-			e = nil
 			continue
 		} else if e != nil {
 			return s, e
@@ -297,7 +305,7 @@ func Listxattr(file string, dest []byte) (sz int, err error) {
 		d = initxattrdest(dest, s)
 	}
 
-	return s, e
+	return s, nil
 }
 
 func Flistxattr(fd int, dest []byte) (sz int, err error) {
@@ -305,11 +313,9 @@ func Flistxattr(fd int, dest []byte) (sz int, err error) {
 	destsiz := len(dest)
 
 	s := 0
-	var e error
 	for _, nsid := range [...]int{EXTATTR_NAMESPACE_USER, EXTATTR_NAMESPACE_SYSTEM} {
 		stmp, e := ExtattrListFd(fd, nsid, uintptr(d), destsiz)
 		if e != nil && e == EPERM && nsid != EXTATTR_NAMESPACE_USER {
-			e = nil
 			continue
 		} else if e != nil {
 			return s, e
@@ -323,7 +329,7 @@ func Flistxattr(fd int, dest []byte) (sz int, err error) {
 		d = initxattrdest(dest, s)
 	}
 
-	return s, e
+	return s, nil
 }
 
 func Llistxattr(link string, dest []byte) (sz int, err error) {
@@ -331,11 +337,9 @@ func Llistxattr(link string, dest []byte) (sz int, err error) {
 	destsiz := len(dest)
 
 	s := 0
-	var e error
 	for _, nsid := range [...]int{EXTATTR_NAMESPACE_USER, EXTATTR_NAMESPACE_SYSTEM} {
 		stmp, e := ExtattrListLink(link, nsid, uintptr(d), destsiz)
 		if e != nil && e == EPERM && nsid != EXTATTR_NAMESPACE_USER {
-			e = nil
 			continue
 		} else if e != nil {
 			return s, e
@@ -349,7 +353,7 @@ func Llistxattr(link string, dest []byte) (sz int, err error) {
 		d = initxattrdest(dest, s)
 	}
 
-	return s, e
+	return s, nil
 }
 
 //sys   ioctl(fd int, req uint, arg uintptr) (err error)
@@ -391,6 +395,52 @@ func IoctlGetTermios(fd int, req uint) (*Termios, error) {
 	return &value, err
 }
 
+func Uname(uname *Utsname) error {
+	mib := []_C_int{CTL_KERN, KERN_OSTYPE}
+	n := unsafe.Sizeof(uname.Sysname)
+	if err := sysctl(mib, &uname.Sysname[0], &n, nil, 0); err != nil {
+		return err
+	}
+
+	mib = []_C_int{CTL_KERN, KERN_HOSTNAME}
+	n = unsafe.Sizeof(uname.Nodename)
+	if err := sysctl(mib, &uname.Nodename[0], &n, nil, 0); err != nil {
+		return err
+	}
+
+	mib = []_C_int{CTL_KERN, KERN_OSRELEASE}
+	n = unsafe.Sizeof(uname.Release)
+	if err := sysctl(mib, &uname.Release[0], &n, nil, 0); err != nil {
+		return err
+	}
+
+	mib = []_C_int{CTL_KERN, KERN_VERSION}
+	n = unsafe.Sizeof(uname.Version)
+	if err := sysctl(mib, &uname.Version[0], &n, nil, 0); err != nil {
+		return err
+	}
+
+	// The version might have newlines or tabs in it, convert them to
+	// spaces.
+	for i, b := range uname.Version {
+		if b == '\n' || b == '\t' {
+			if i == len(uname.Version)-1 {
+				uname.Version[i] = 0
+			} else {
+				uname.Version[i] = ' '
+			}
+		}
+	}
+
+	mib = []_C_int{CTL_HW, HW_MACHINE}
+	n = unsafe.Sizeof(uname.Machine)
+	if err := sysctl(mib, &uname.Machine[0], &n, nil, 0); err != nil {
+		return err
+	}
+
+	return nil
+}
+
 /*
  * Exposed directly
  */
@@ -434,6 +484,7 @@ func IoctlGetTermios(fd int, req uint) (*Termios, error) {
 //sys	Fstatfs(fd int, stat *Statfs_t) (err error)
 //sys	Fsync(fd int) (err error)
 //sys	Ftruncate(fd int, length int64) (err error)
+//sys	Getdents(fd int, buf []byte) (n int, err error)
 //sys	Getdirentries(fd int, buf []byte, basep *uintptr) (n int, err error)
 //sys	Getdtablesize() (size int)
 //sysnb	Getegid() (egid int)

vendor/golang.org/x/sys/unix/syscall_linux.go

@@ -16,6 +16,13 @@ import (
 	"unsafe"
 )
 
+// SyscallNoError may be used instead of Syscall for syscalls that don't fail.
+func SyscallNoError(trap, a1, a2, a3 uintptr) (r1, r2 uintptr)
+
+// RawSyscallNoError may be used instead of RawSyscall for syscalls that don't
+// fail.
+func RawSyscallNoError(trap, a1, a2, a3 uintptr) (r1, r2 uintptr)
+
 /*
  * Wrapped
  */
@@ -468,6 +475,29 @@ func (sa *SockaddrHCI) sockaddr() (unsafe.Pointer, _Socklen, error) {
 	return unsafe.Pointer(&sa.raw), SizeofSockaddrHCI, nil
 }
 
+type SockaddrL2 struct {
+	PSM      uint16
+	CID      uint16
+	Addr     [6]uint8
+	AddrType uint8
+	raw      RawSockaddrL2
+}
+
+func (sa *SockaddrL2) sockaddr() (unsafe.Pointer, _Socklen, error) {
+	sa.raw.Family = AF_BLUETOOTH
+	psm := (*[2]byte)(unsafe.Pointer(&sa.raw.Psm))
+	psm[0] = byte(sa.PSM)
+	psm[1] = byte(sa.PSM >> 8)
+	for i := 0; i < len(sa.Addr); i++ {
+		sa.raw.Bdaddr[i] = sa.Addr[len(sa.Addr)-1-i]
+	}
+	cid := (*[2]byte)(unsafe.Pointer(&sa.raw.Cid))
+	cid[0] = byte(sa.CID)
+	cid[1] = byte(sa.CID >> 8)
+	sa.raw.Bdaddr_type = sa.AddrType
+	return unsafe.Pointer(&sa.raw), SizeofSockaddrL2, nil
+}
+
 // SockaddrCAN implements the Sockaddr interface for AF_CAN type sockets.
 // The RxID and TxID fields are used for transport protocol addressing in
 // (CAN_TP16, CAN_TP20, CAN_MCNET, and CAN_ISOTP), they can be left with
@@ -808,6 +838,24 @@ func GetsockoptTCPInfo(fd, level, opt int) (*TCPInfo, error) {
 	return &value, err
 }
 
+// GetsockoptString returns the string value of the socket option opt for the
+// socket associated with fd at the given socket level.
+func GetsockoptString(fd, level, opt int) (string, error) {
+	buf := make([]byte, 256)
+	vallen := _Socklen(len(buf))
+	err := getsockopt(fd, level, opt, unsafe.Pointer(&buf[0]), &vallen)
+	if err != nil {
+		if err == ERANGE {
+			buf = make([]byte, vallen)
+			err = getsockopt(fd, level, opt, unsafe.Pointer(&buf[0]), &vallen)
+		}
+		if err != nil {
+			return "", err
+		}
+	}
+	return string(buf[:vallen-1]), nil
+}
+
 func SetsockoptIPMreqn(fd, level, opt int, mreq *IPMreqn) (err error) {
 	return setsockopt(fd, level, opt, unsafe.Pointer(mreq), unsafe.Sizeof(*mreq))
 }
@@ -1125,6 +1173,10 @@ func PtracePokeData(pid int, addr uintptr, data []byte) (count int, err error) {
 	return ptracePoke(PTRACE_POKEDATA, PTRACE_PEEKDATA, pid, addr, data)
 }
 
+func PtracePokeUser(pid int, addr uintptr, data []byte) (count int, err error) {
+	return ptracePoke(PTRACE_POKEUSR, PTRACE_PEEKUSR, pid, addr, data)
+}
+
 func PtraceGetRegs(pid int, regsout *PtraceRegs) (err error) {
 	return ptrace(PTRACE_GETREGS, pid, 0, uintptr(unsafe.Pointer(regsout)))
 }
@@ -1168,22 +1220,6 @@ func ReadDirent(fd int, buf []byte) (n int, err error) {
 	return Getdents(fd, buf)
 }
 
-func direntIno(buf []byte) (uint64, bool) {
-	return readInt(buf, unsafe.Offsetof(Dirent{}.Ino), unsafe.Sizeof(Dirent{}.Ino))
-}
-
-func direntReclen(buf []byte) (uint64, bool) {
-	return readInt(buf, unsafe.Offsetof(Dirent{}.Reclen), unsafe.Sizeof(Dirent{}.Reclen))
-}
-
-func direntNamlen(buf []byte) (uint64, bool) {
-	reclen, ok := direntReclen(buf)
-	if !ok {
-		return 0, false
-	}
-	return reclen - uint64(unsafe.Offsetof(Dirent{}.Name)), true
-}
-
 //sys	mount(source string, target string, fstype string, flags uintptr, data *byte) (err error)
 
 func Mount(source string, target string, fstype string, flags uintptr, data string) (err error) {
@@ -1289,6 +1325,7 @@ func Setgid(uid int) (err error) {
 
 //sys	Setpriority(which int, who int, prio int) (err error)
 //sys	Setxattr(path string, attr string, data []byte, flags int) (err error)
+//sys	Statx(dirfd int, path string, flags int, mask int, stat *Statx_t) (err error)
 //sys	Sync()
 //sys	Syncfs(fd int) (err error)
 //sysnb	Sysinfo(info *Sysinfo_t) (err error)
@@ -1406,7 +1443,6 @@ func Vmsplice(fd int, iovs []Iovec, flags int) (int, error) {
 // Msgget
 // Msgrcv
 // Msgsnd
-// Newfstatat
 // Nfsservctl
 // Personality
 // Pselect6
@@ -1427,11 +1463,9 @@ func Vmsplice(fd int, iovs []Iovec, flags int) (int, error) {
 // RtSigtimedwait
 // SchedGetPriorityMax
 // SchedGetPriorityMin
-// SchedGetaffinity
 // SchedGetparam
 // SchedGetscheduler
 // SchedRrGetInterval
-// SchedSetaffinity
 // SchedSetparam
 // SchedYield
 // Security

vendor/golang.org/x/sys/unix/syscall_linux_386.go

@@ -54,6 +54,7 @@ func Pipe2(p []int, flags int) (err error) {
 //sys	Fadvise(fd int, offset int64, length int64, advice int) (err error) = SYS_FADVISE64_64
 //sys	Fchown(fd int, uid int, gid int) (err error) = SYS_FCHOWN32
 //sys	Fstat(fd int, stat *Stat_t) (err error) = SYS_FSTAT64
+//sys	Fstatat(dirfd int, path string, stat *Stat_t, flags int) (err error) = SYS_FSTATAT64
 //sys	Ftruncate(fd int, length int64) (err error) = SYS_FTRUNCATE64
 //sysnb	Getegid() (egid int) = SYS_GETEGID32
 //sysnb	Geteuid() (euid int) = SYS_GETEUID32

vendor/golang.org/x/sys/unix/syscall_linux_amd64.go

@@ -11,6 +11,7 @@ package unix
 //sys	Fadvise(fd int, offset int64, length int64, advice int) (err error) = SYS_FADVISE64
 //sys	Fchown(fd int, uid int, gid int) (err error)
 //sys	Fstat(fd int, stat *Stat_t) (err error)
+//sys	Fstatat(dirfd int, path string, stat *Stat_t, flags int) (err error) = SYS_NEWFSTATAT
 //sys	Fstatfs(fd int, buf *Statfs_t) (err error)
 //sys	Ftruncate(fd int, length int64) (err error)
 //sysnb	Getegid() (egid int)

vendor/golang.org/x/sys/unix/syscall_linux_arm.go

@@ -77,6 +77,7 @@ func Seek(fd int, offset int64, whence int) (newoffset int64, err error) {
 //sys	Dup2(oldfd int, newfd int) (err error)
 //sys	Fchown(fd int, uid int, gid int) (err error) = SYS_FCHOWN32
 //sys	Fstat(fd int, stat *Stat_t) (err error) = SYS_FSTAT64
+//sys	Fstatat(dirfd int, path string, stat *Stat_t, flags int) (err error) = SYS_FSTATAT64
 //sysnb	Getegid() (egid int) = SYS_GETEGID32
 //sysnb	Geteuid() (euid int) = SYS_GETEUID32
 //sysnb	Getgid() (gid int) = SYS_GETGID32

vendor/golang.org/x/sys/unix/syscall_linux_mips64x.go

@@ -10,6 +10,7 @@ package unix
 //sys	Dup2(oldfd int, newfd int) (err error)
 //sys	EpollWait(epfd int, events []EpollEvent, msec int) (n int, err error)
 //sys	Fchown(fd int, uid int, gid int) (err error)
+//sys	Fstatat(dirfd int, path string, stat *Stat_t, flags int) (err error) = SYS_NEWFSTATAT
 //sys	Fstatfs(fd int, buf *Statfs_t) (err error)
 //sys	Ftruncate(fd int, length int64) (err error)
 //sysnb	Getegid() (egid int)

vendor/golang.org/x/sys/unix/syscall_linux_mipsx.go

@@ -65,6 +65,7 @@ func Syscall9(trap, a1, a2, a3, a4, a5, a6, a7, a8, a9 uintptr) (r1, r2 uintptr,
 
 //sys	Lstat(path string, stat *Stat_t) (err error) = SYS_LSTAT64
 //sys	Fstat(fd int, stat *Stat_t) (err error) = SYS_FSTAT64
+//sys	Fstatat(dirfd int, path string, stat *Stat_t, flags int) (err error) = SYS_FSTATAT64
 //sys	Stat(path string, stat *Stat_t) (err error) = SYS_STAT64
 
 //sys	Utime(path string, buf *Utimbuf) (err error)

vendor/golang.org/x/sys/unix/syscall_linux_ppc64x.go

@@ -11,6 +11,7 @@ package unix
 //sys	Dup2(oldfd int, newfd int) (err error)
 //sys	Fchown(fd int, uid int, gid int) (err error)
 //sys	Fstat(fd int, stat *Stat_t) (err error)
+//sys	Fstatat(dirfd int, path string, stat *Stat_t, flags int) (err error) = SYS_NEWFSTATAT
 //sys	Fstatfs(fd int, buf *Statfs_t) (err error)
 //sys	Ftruncate(fd int, length int64) (err error)
 //sysnb	Getegid() (egid int)

vendor/golang.org/x/sys/unix/syscall_linux_s390x.go

@@ -15,6 +15,7 @@ import (
 //sys	Fadvise(fd int, offset int64, length int64, advice int) (err error) = SYS_FADVISE64
 //sys	Fchown(fd int, uid int, gid int) (err error)
 //sys	Fstat(fd int, stat *Stat_t) (err error)
+//sys	Fstatat(dirfd int, path string, stat *Stat_t, flags int) (err error) = SYS_NEWFSTATAT
 //sys	Fstatfs(fd int, buf *Statfs_t) (err error)
 //sys	Ftruncate(fd int, length int64) (err error)
 //sysnb	Getegid() (egid int)

vendor/golang.org/x/sys/unix/syscall_linux_sparc64.go

@@ -10,6 +10,7 @@ package unix
 //sys	Dup2(oldfd int, newfd int) (err error)
 //sys	Fchown(fd int, uid int, gid int) (err error)
 //sys	Fstat(fd int, stat *Stat_t) (err error)
+//sys	Fstatat(dirfd int, path string, stat *Stat_t, flags int) (err error) = SYS_FSTATAT64
 //sys	Fstatfs(fd int, buf *Statfs_t) (err error)
 //sys	Ftruncate(fd int, length int64) (err error)
 //sysnb	Getegid() (egid int)

vendor/golang.org/x/sys/unix/syscall_netbsd.go

@@ -55,7 +55,6 @@ func sysctlNodes(mib []_C_int) (nodes []Sysctlnode, err error) {
 }
 
 func nametomib(name string) (mib []_C_int, err error) {
-
 	// Split name into components.
 	var parts []string
 	last := 0
@@ -93,18 +92,6 @@ func nametomib(name string) (mib []_C_int, err error) {
 	return mib, nil
 }
 
-func direntIno(buf []byte) (uint64, bool) {
-	return readInt(buf, unsafe.Offsetof(Dirent{}.Fileno), unsafe.Sizeof(Dirent{}.Fileno))
-}
-
-func direntReclen(buf []byte) (uint64, bool) {
-	return readInt(buf, unsafe.Offsetof(Dirent{}.Reclen), unsafe.Sizeof(Dirent{}.Reclen))
-}
-
-func direntNamlen(buf []byte) (uint64, bool) {
-	return readInt(buf, unsafe.Offsetof(Dirent{}.Namlen), unsafe.Sizeof(Dirent{}.Namlen))
-}
-
 //sysnb pipe() (fd1 int, fd2 int, err error)
 func Pipe(p []int) (err error) {
 	if len(p) != 2 {
@@ -119,11 +106,118 @@ func Getdirentries(fd int, buf []byte, basep *uintptr) (n int, err error) {
 	return getdents(fd, buf)
 }
 
+const ImplementsGetwd = true
+
+//sys	Getcwd(buf []byte) (n int, err error) = SYS___GETCWD
+
+func Getwd() (string, error) {
+	var buf [PathMax]byte
+	_, err := Getcwd(buf[0:])
+	if err != nil {
+		return "", err
+	}
+	n := clen(buf[:])
+	if n < 1 {
+		return "", EINVAL
+	}
+	return string(buf[:n]), nil
+}
+
 // TODO
 func sendfile(outfd int, infd int, offset *int64, count int) (written int, err error) {
 	return -1, ENOSYS
 }
 
+func setattrlistTimes(path string, times []Timespec, flags int) error {
+	// used on Darwin for UtimesNano
+	return ENOSYS
+}
+
+//sys	ioctl(fd int, req uint, arg uintptr) (err error)
+
+// ioctl itself should not be exposed directly, but additional get/set
+// functions for specific types are permissible.
+
+// IoctlSetInt performs an ioctl operation which sets an integer value
+// on fd, using the specified request number.
+func IoctlSetInt(fd int, req uint, value int) error {
+	return ioctl(fd, req, uintptr(value))
+}
+
+func IoctlSetWinsize(fd int, req uint, value *Winsize) error {
+	return ioctl(fd, req, uintptr(unsafe.Pointer(value)))
+}
+
+func IoctlSetTermios(fd int, req uint, value *Termios) error {
+	return ioctl(fd, req, uintptr(unsafe.Pointer(value)))
+}
+
+// IoctlGetInt performs an ioctl operation which gets an integer value
+// from fd, using the specified request number.
+func IoctlGetInt(fd int, req uint) (int, error) {
+	var value int
+	err := ioctl(fd, req, uintptr(unsafe.Pointer(&value)))
+	return value, err
+}
+
+func IoctlGetWinsize(fd int, req uint) (*Winsize, error) {
+	var value Winsize
+	err := ioctl(fd, req, uintptr(unsafe.Pointer(&value)))
+	return &value, err
+}
+
+func IoctlGetTermios(fd int, req uint) (*Termios, error) {
+	var value Termios
+	err := ioctl(fd, req, uintptr(unsafe.Pointer(&value)))
+	return &value, err
+}
+
+func Uname(uname *Utsname) error {
+	mib := []_C_int{CTL_KERN, KERN_OSTYPE}
+	n := unsafe.Sizeof(uname.Sysname)
+	if err := sysctl(mib, &uname.Sysname[0], &n, nil, 0); err != nil {
+		return err
+	}
+
+	mib = []_C_int{CTL_KERN, KERN_HOSTNAME}
+	n = unsafe.Sizeof(uname.Nodename)
+	if err := sysctl(mib, &uname.Nodename[0], &n, nil, 0); err != nil {
+		return err
+	}
+
+	mib = []_C_int{CTL_KERN, KERN_OSRELEASE}
+	n = unsafe.Sizeof(uname.Release)
+	if err := sysctl(mib, &uname.Release[0], &n, nil, 0); err != nil {
+		return err
+	}
+
+	mib = []_C_int{CTL_KERN, KERN_VERSION}
+	n = unsafe.Sizeof(uname.Version)
+	if err := sysctl(mib, &uname.Version[0], &n, nil, 0); err != nil {
+		return err
+	}
+
+	// The version might have newlines or tabs in it, convert them to
+	// spaces.
+	for i, b := range uname.Version {
+		if b == '\n' || b == '\t' {
+			if i == len(uname.Version)-1 {
+				uname.Version[i] = 0
+			} else {
+				uname.Version[i] = ' '
+			}
+		}
+	}
+
+	mib = []_C_int{CTL_HW, HW_MACHINE}
+	n = unsafe.Sizeof(uname.Machine)
+	if err := sysctl(mib, &uname.Machine[0], &n, nil, 0); err != nil {
+		return err
+	}
+
+	return nil
+}
+
 /*
  * Exposed directly
  */
@@ -384,7 +478,6 @@ func sendfile(outfd int, infd int, offset *int64, count int) (written int, err e
 // getitimer
 // getvfsstat
 // getxattr
-// ioctl
 // ktrace
 // lchflags
 // lchmod

vendor/golang.org/x/sys/unix/syscall_no_getwd.go

@@ -1,11 +0,0 @@
-// Copyright 2013 The Go Authors. All rights reserved.
-// Use of this source code is governed by a BSD-style
-// license that can be found in the LICENSE file.
-
-// +build dragonfly freebsd netbsd openbsd
-
-package unix
-
-const ImplementsGetwd = false
-
-func Getwd() (string, error) { return "", ENOTSUP }

vendor/golang.org/x/sys/unix/syscall_openbsd.go

@@ -13,6 +13,7 @@
 package unix
 
 import (
+	"sort"
 	"syscall"
 	"unsafe"
 )
@@ -32,39 +33,15 @@ type SockaddrDatalink struct {
 func Syscall9(trap, a1, a2, a3, a4, a5, a6, a7, a8, a9 uintptr) (r1, r2 uintptr, err syscall.Errno)
 
 func nametomib(name string) (mib []_C_int, err error) {
-
-	// Perform lookup via a binary search
-	left := 0
-	right := len(sysctlMib) - 1
-	for {
-		idx := left + (right-left)/2
-		switch {
-		case name == sysctlMib[idx].ctlname:
-			return sysctlMib[idx].ctloid, nil
-		case name > sysctlMib[idx].ctlname:
-			left = idx + 1
-		default:
-			right = idx - 1
-		}
-		if left > right {
-			break
-		}
+	i := sort.Search(len(sysctlMib), func(i int) bool {
+		return sysctlMib[i].ctlname >= name
+	})
+	if i < len(sysctlMib) && sysctlMib[i].ctlname == name {
+		return sysctlMib[i].ctloid, nil
 	}
 	return nil, EINVAL
 }
 
-func direntIno(buf []byte) (uint64, bool) {
-	return readInt(buf, unsafe.Offsetof(Dirent{}.Fileno), unsafe.Sizeof(Dirent{}.Fileno))
-}
-
-func direntReclen(buf []byte) (uint64, bool) {
-	return readInt(buf, unsafe.Offsetof(Dirent{}.Reclen), unsafe.Sizeof(Dirent{}.Reclen))
-}
-
-func direntNamlen(buf []byte) (uint64, bool) {
-	return readInt(buf, unsafe.Offsetof(Dirent{}.Namlen), unsafe.Sizeof(Dirent{}.Namlen))
-}
-
 //sysnb pipe(p *[2]_C_int) (err error)
 func Pipe(p []int) (err error) {
 	if len(p) != 2 {
@@ -82,6 +59,23 @@ func Getdirentries(fd int, buf []byte, basep *uintptr) (n int, err error) {
 	return getdents(fd, buf)
 }
 
+const ImplementsGetwd = true
+
+//sys	Getcwd(buf []byte) (n int, err error) = SYS___GETCWD
+
+func Getwd() (string, error) {
+	var buf [PathMax]byte
+	_, err := Getcwd(buf[0:])
+	if err != nil {
+		return "", err
+	}
+	n := clen(buf[:])
+	if n < 1 {
+		return "", EINVAL
+	}
+	return string(buf[:n]), nil
+}
+
 // TODO
 func sendfile(outfd int, infd int, offset *int64, count int) (written int, err error) {
 	return -1, ENOSYS
@@ -102,6 +96,96 @@ func Getfsstat(buf []Statfs_t, flags int) (n int, err error) {
 	return
 }
 
+func setattrlistTimes(path string, times []Timespec, flags int) error {
+	// used on Darwin for UtimesNano
+	return ENOSYS
+}
+
+//sys	ioctl(fd int, req uint, arg uintptr) (err error)
+
+// ioctl itself should not be exposed directly, but additional get/set
+// functions for specific types are permissible.
+
+// IoctlSetInt performs an ioctl operation which sets an integer value
+// on fd, using the specified request number.
+func IoctlSetInt(fd int, req uint, value int) error {
+	return ioctl(fd, req, uintptr(value))
+}
+
+func IoctlSetWinsize(fd int, req uint, value *Winsize) error {
+	return ioctl(fd, req, uintptr(unsafe.Pointer(value)))
+}
+
+func IoctlSetTermios(fd int, req uint, value *Termios) error {
+	return ioctl(fd, req, uintptr(unsafe.Pointer(value)))
+}
+
+// IoctlGetInt performs an ioctl operation which gets an integer value
+// from fd, using the specified request number.
+func IoctlGetInt(fd int, req uint) (int, error) {
+	var value int
+	err := ioctl(fd, req, uintptr(unsafe.Pointer(&value)))
+	return value, err
+}
+
+func IoctlGetWinsize(fd int, req uint) (*Winsize, error) {
+	var value Winsize
+	err := ioctl(fd, req, uintptr(unsafe.Pointer(&value)))
+	return &value, err
+}
+
+func IoctlGetTermios(fd int, req uint) (*Termios, error) {
+	var value Termios
+	err := ioctl(fd, req, uintptr(unsafe.Pointer(&value)))
+	return &value, err
+}
+
+func Uname(uname *Utsname) error {
+	mib := []_C_int{CTL_KERN, KERN_OSTYPE}
+	n := unsafe.Sizeof(uname.Sysname)
+	if err := sysctl(mib, &uname.Sysname[0], &n, nil, 0); err != nil {
+		return err
+	}
+
+	mib = []_C_int{CTL_KERN, KERN_HOSTNAME}
+	n = unsafe.Sizeof(uname.Nodename)
+	if err := sysctl(mib, &uname.Nodename[0], &n, nil, 0); err != nil {
+		return err
+	}
+
+	mib = []_C_int{CTL_KERN, KERN_OSRELEASE}
+	n = unsafe.Sizeof(uname.Release)
+	if err := sysctl(mib, &uname.Release[0], &n, nil, 0); err != nil {
+		return err
+	}
+
+	mib = []_C_int{CTL_KERN, KERN_VERSION}
+	n = unsafe.Sizeof(uname.Version)
+	if err := sysctl(mib, &uname.Version[0], &n, nil, 0); err != nil {
+		return err
+	}
+
+	// The version might have newlines or tabs in it, convert them to
+	// spaces.
+	for i, b := range uname.Version {
+		if b == '\n' || b == '\t' {
+			if i == len(uname.Version)-1 {
+				uname.Version[i] = 0
+			} else {
+				uname.Version[i] = ' '
+			}
+		}
+	}
+
+	mib = []_C_int{CTL_HW, HW_MACHINE}
+	n = unsafe.Sizeof(uname.Machine)
+	if err := sysctl(mib, &uname.Machine[0], &n, nil, 0); err != nil {
+		return err
+	}
+
+	return nil
+}
+
 /*
  * Exposed directly
  */
@@ -222,7 +306,6 @@ func Getfsstat(buf []Statfs_t, flags int) (n int, err error) {
 // getresuid
 // getrtable
 // getthrid
-// ioctl
 // ktrace
 // lfs_bmapv
 // lfs_markv

vendor/golang.org/x/sys/unix/syscall_solaris.go

@@ -34,31 +34,6 @@ type SockaddrDatalink struct {
 	raw    RawSockaddrDatalink
 }
 
-func clen(n []byte) int {
-	for i := 0; i < len(n); i++ {
-		if n[i] == 0 {
-			return i
-		}
-	}
-	return len(n)
-}
-
-func direntIno(buf []byte) (uint64, bool) {
-	return readInt(buf, unsafe.Offsetof(Dirent{}.Ino), unsafe.Sizeof(Dirent{}.Ino))
-}
-
-func direntReclen(buf []byte) (uint64, bool) {
-	return readInt(buf, unsafe.Offsetof(Dirent{}.Reclen), unsafe.Sizeof(Dirent{}.Reclen))
-}
-
-func direntNamlen(buf []byte) (uint64, bool) {
-	reclen, ok := direntReclen(buf)
-	if !ok {
-		return 0, false
-	}
-	return reclen - uint64(unsafe.Offsetof(Dirent{}.Name)), true
-}
-
 //sysnb	pipe(p *[2]_C_int) (n int, err error)
 
 func Pipe(p []int) (err error) {
@@ -139,6 +114,18 @@ func Getsockname(fd int) (sa Sockaddr, err error) {
 	return anyToSockaddr(&rsa)
 }
 
+// GetsockoptString returns the string value of the socket option opt for the
+// socket associated with fd at the given socket level.
+func GetsockoptString(fd, level, opt int) (string, error) {
+	buf := make([]byte, 256)
+	vallen := _Socklen(len(buf))
+	err := getsockopt(fd, level, opt, unsafe.Pointer(&buf[0]), &vallen)
+	if err != nil {
+		return "", err
+	}
+	return string(buf[:vallen-1]), nil
+}
+
 const ImplementsGetwd = true
 
 //sys	Getcwd(buf []byte) (n int, err error)
@@ -655,6 +642,7 @@ func Poll(fds []PollFd, timeout int) (n int, err error) {
 //sys	Renameat(olddirfd int, oldpath string, newdirfd int, newpath string) (err error)
 //sys	Rmdir(path string) (err error)
 //sys	Seek(fd int, offset int64, whence int) (newoffset int64, err error) = lseek
+//sys	Select(n int, r *FdSet, w *FdSet, e *FdSet, timeout *Timeval) (err error)
 //sysnb	Setegid(egid int) (err error)
 //sysnb	Seteuid(euid int) (err error)
 //sysnb	Setgid(gid int) (err error)

vendor/golang.org/x/sys/unix/syscall_unix.go

@@ -50,6 +50,17 @@ func errnoErr(e syscall.Errno) error {
 	return e
 }
 
+// clen returns the index of the first NULL byte in n or len(n) if n contains no
+// NULL byte or len(n) if n contains no NULL byte
+func clen(n []byte) int {
+	for i := 0; i < len(n); i++ {
+		if n[i] == 0 {
+			return i
+		}
+	}
+	return len(n)
+}
+
 // Mmap manager, for use by operating system-specific implementations.
 
 type mmapper struct {

vendor/golang.org/x/sys/unix/timestruct.go

@@ -6,6 +6,8 @@
 
 package unix
 
+import "time"
+
 // TimespecToNsec converts a Timespec value into a number of
 // nanoseconds since the Unix epoch.
 func TimespecToNsec(ts Timespec) int64 { return int64(ts.Sec)*1e9 + int64(ts.Nsec) }
@@ -22,6 +24,24 @@ func NsecToTimespec(nsec int64) Timespec {
 	return setTimespec(sec, nsec)
 }
 
+// TimeToTimespec converts t into a Timespec.
+// On some 32-bit systems the range of valid Timespec values are smaller
+// than that of time.Time values.  So if t is out of the valid range of
+// Timespec, it returns a zero Timespec and ERANGE.
+func TimeToTimespec(t time.Time) (Timespec, error) {
+	sec := t.Unix()
+	nsec := int64(t.Nanosecond())
+	ts := setTimespec(sec, nsec)
+
+	// Currently all targets have either int32 or int64 for Timespec.Sec.
+	// If there were a new target with floating point type for it, we have
+	// to consider the rounding error.
+	if int64(ts.Sec) != sec {
+		return Timespec{}, ERANGE
+	}
+	return ts, nil
+}
+
 // TimevalToNsec converts a Timeval value into a number of nanoseconds
 // since the Unix epoch.
 func TimevalToNsec(tv Timeval) int64 { return int64(tv.Sec)*1e9 + int64(tv.Usec)*1e3 }

vendor/golang.org/x/sys/unix/zerrors_darwin_386.go

@@ -49,6 +49,86 @@ const (
 	AF_UNSPEC                         = 0x0
 	AF_UTUN                           = 0x26
 	ALTWERASE                         = 0x200
+	ATTR_BIT_MAP_COUNT                = 0x5
+	ATTR_CMN_ACCESSMASK               = 0x20000
+	ATTR_CMN_ACCTIME                  = 0x1000
+	ATTR_CMN_ADDEDTIME                = 0x10000000
+	ATTR_CMN_BKUPTIME                 = 0x2000
+	ATTR_CMN_CHGTIME                  = 0x800
+	ATTR_CMN_CRTIME                   = 0x200
+	ATTR_CMN_DATA_PROTECT_FLAGS       = 0x40000000
+	ATTR_CMN_DEVID                    = 0x2
+	ATTR_CMN_DOCUMENT_ID              = 0x100000
+	ATTR_CMN_ERROR                    = 0x20000000
+	ATTR_CMN_EXTENDED_SECURITY        = 0x400000
+	ATTR_CMN_FILEID                   = 0x2000000
+	ATTR_CMN_FLAGS                    = 0x40000
+	ATTR_CMN_FNDRINFO                 = 0x4000
+	ATTR_CMN_FSID                     = 0x4
+	ATTR_CMN_FULLPATH                 = 0x8000000
+	ATTR_CMN_GEN_COUNT                = 0x80000
+	ATTR_CMN_GRPID                    = 0x10000
+	ATTR_CMN_GRPUUID                  = 0x1000000
+	ATTR_CMN_MODTIME                  = 0x400
+	ATTR_CMN_NAME                     = 0x1
+	ATTR_CMN_NAMEDATTRCOUNT           = 0x80000
+	ATTR_CMN_NAMEDATTRLIST            = 0x100000
+	ATTR_CMN_OBJID                    = 0x20
+	ATTR_CMN_OBJPERMANENTID           = 0x40
+	ATTR_CMN_OBJTAG                   = 0x10
+	ATTR_CMN_OBJTYPE                  = 0x8
+	ATTR_CMN_OWNERID                  = 0x8000
+	ATTR_CMN_PARENTID                 = 0x4000000
+	ATTR_CMN_PAROBJID                 = 0x80
+	ATTR_CMN_RETURNED_ATTRS           = 0x80000000
+	ATTR_CMN_SCRIPT                   = 0x100
+	ATTR_CMN_SETMASK                  = 0x41c7ff00
+	ATTR_CMN_USERACCESS               = 0x200000
+	ATTR_CMN_UUID                     = 0x800000
+	ATTR_CMN_VALIDMASK                = 0xffffffff
+	ATTR_CMN_VOLSETMASK               = 0x6700
+	ATTR_FILE_ALLOCSIZE               = 0x4
+	ATTR_FILE_CLUMPSIZE               = 0x10
+	ATTR_FILE_DATAALLOCSIZE           = 0x400
+	ATTR_FILE_DATAEXTENTS             = 0x800
+	ATTR_FILE_DATALENGTH              = 0x200
+	ATTR_FILE_DEVTYPE                 = 0x20
+	ATTR_FILE_FILETYPE                = 0x40
+	ATTR_FILE_FORKCOUNT               = 0x80
+	ATTR_FILE_FORKLIST                = 0x100
+	ATTR_FILE_IOBLOCKSIZE             = 0x8
+	ATTR_FILE_LINKCOUNT               = 0x1
+	ATTR_FILE_RSRCALLOCSIZE           = 0x2000
+	ATTR_FILE_RSRCEXTENTS             = 0x4000
+	ATTR_FILE_RSRCLENGTH              = 0x1000
+	ATTR_FILE_SETMASK                 = 0x20
+	ATTR_FILE_TOTALSIZE               = 0x2
+	ATTR_FILE_VALIDMASK               = 0x37ff
+	ATTR_VOL_ALLOCATIONCLUMP          = 0x40
+	ATTR_VOL_ATTRIBUTES               = 0x40000000
+	ATTR_VOL_CAPABILITIES             = 0x20000
+	ATTR_VOL_DIRCOUNT                 = 0x400
+	ATTR_VOL_ENCODINGSUSED            = 0x10000
+	ATTR_VOL_FILECOUNT                = 0x200
+	ATTR_VOL_FSTYPE                   = 0x1
+	ATTR_VOL_INFO                     = 0x80000000
+	ATTR_VOL_IOBLOCKSIZE              = 0x80
+	ATTR_VOL_MAXOBJCOUNT              = 0x800
+	ATTR_VOL_MINALLOCATION            = 0x20
+	ATTR_VOL_MOUNTEDDEVICE            = 0x8000
+	ATTR_VOL_MOUNTFLAGS               = 0x4000
+	ATTR_VOL_MOUNTPOINT               = 0x1000
+	ATTR_VOL_NAME                     = 0x2000
+	ATTR_VOL_OBJCOUNT                 = 0x100
+	ATTR_VOL_QUOTA_SIZE               = 0x10000000
+	ATTR_VOL_RESERVED_SIZE            = 0x20000000
+	ATTR_VOL_SETMASK                  = 0x80002000
+	ATTR_VOL_SIGNATURE                = 0x2
+	ATTR_VOL_SIZE                     = 0x4
+	ATTR_VOL_SPACEAVAIL               = 0x10
+	ATTR_VOL_SPACEFREE                = 0x8
+	ATTR_VOL_UUID                     = 0x40000
+	ATTR_VOL_VALIDMASK                = 0xf007ffff
 	B0                                = 0x0
 	B110                              = 0x6e
 	B115200                           = 0x1c200
@@ -169,6 +249,8 @@ const (
 	CSTOP                             = 0x13
 	CSTOPB                            = 0x400
 	CSUSP                             = 0x1a
+	CTL_HW                            = 0x6
+	CTL_KERN                          = 0x1
 	CTL_MAXNAME                       = 0xc
 	CTL_NET                           = 0x4
 	DLT_A429                          = 0xb8
@@ -390,6 +472,11 @@ const (
 	FF1                               = 0x4000
 	FFDLY                             = 0x4000
 	FLUSHO                            = 0x800000
+	FSOPT_ATTR_CMN_EXTENDED           = 0x20
+	FSOPT_NOFOLLOW                    = 0x1
+	FSOPT_NOINMEMUPDATE               = 0x2
+	FSOPT_PACK_INVAL_ATTRS            = 0x8
+	FSOPT_REPORT_FULLSIZE             = 0x4
 	F_ADDFILESIGS                     = 0x3d
 	F_ADDFILESIGS_FOR_DYLD_SIM        = 0x53
 	F_ADDFILESIGS_RETURN              = 0x61
@@ -425,6 +512,7 @@ const (
 	F_PATHPKG_CHECK                   = 0x34
 	F_PEOFPOSMODE                     = 0x3
 	F_PREALLOCATE                     = 0x2a
+	F_PUNCHHOLE                       = 0x63
 	F_RDADVISE                        = 0x2c
 	F_RDAHEAD                         = 0x2d
 	F_RDLCK                           = 0x1
@@ -441,10 +529,12 @@ const (
 	F_SINGLE_WRITER                   = 0x4c
 	F_THAW_FS                         = 0x36
 	F_TRANSCODEKEY                    = 0x4b
+	F_TRIM_ACTIVE_FILE                = 0x64
 	F_UNLCK                           = 0x2
 	F_VOLPOSMODE                      = 0x4
 	F_WRLCK                           = 0x3
 	HUPCL                             = 0x4000
+	HW_MACHINE                        = 0x1
 	ICANON                            = 0x100
 	ICMP6_FILTER                      = 0x12
 	ICRNL                             = 0x100
@@ -681,6 +771,7 @@ const (
 	IPV6_FAITH                        = 0x1d
 	IPV6_FLOWINFO_MASK                = 0xffffff0f
 	IPV6_FLOWLABEL_MASK               = 0xffff0f00
+	IPV6_FLOW_ECN_MASK                = 0x300
 	IPV6_FRAGTTL                      = 0x3c
 	IPV6_FW_ADD                       = 0x1e
 	IPV6_FW_DEL                       = 0x1f
@@ -771,6 +862,7 @@ const (
 	IP_RECVOPTS                       = 0x5
 	IP_RECVPKTINFO                    = 0x1a
 	IP_RECVRETOPTS                    = 0x6
+	IP_RECVTOS                        = 0x1b
 	IP_RECVTTL                        = 0x18
 	IP_RETOPTS                        = 0x8
 	IP_RF                             = 0x8000
@@ -789,6 +881,10 @@ const (
 	IXANY                             = 0x800
 	IXOFF                             = 0x400
 	IXON                              = 0x200
+	KERN_HOSTNAME                     = 0xa
+	KERN_OSRELEASE                    = 0x2
+	KERN_OSTYPE                       = 0x1
+	KERN_VERSION                      = 0x4
 	LOCK_EX                           = 0x2
 	LOCK_NB                           = 0x4
 	LOCK_SH                           = 0x1

vendor/golang.org/x/sys/unix/zerrors_darwin_amd64.go

@@ -49,6 +49,86 @@ const (
 	AF_UNSPEC                         = 0x0
 	AF_UTUN                           = 0x26
 	ALTWERASE                         = 0x200
+	ATTR_BIT_MAP_COUNT                = 0x5
+	ATTR_CMN_ACCESSMASK               = 0x20000
+	ATTR_CMN_ACCTIME                  = 0x1000
+	ATTR_CMN_ADDEDTIME                = 0x10000000
+	ATTR_CMN_BKUPTIME                 = 0x2000
+	ATTR_CMN_CHGTIME                  = 0x800
+	ATTR_CMN_CRTIME                   = 0x200
+	ATTR_CMN_DATA_PROTECT_FLAGS       = 0x40000000
+	ATTR_CMN_DEVID                    = 0x2
+	ATTR_CMN_DOCUMENT_ID              = 0x100000
+	ATTR_CMN_ERROR                    = 0x20000000
+	ATTR_CMN_EXTENDED_SECURITY        = 0x400000
+	ATTR_CMN_FILEID                   = 0x2000000
+	ATTR_CMN_FLAGS                    = 0x40000
+	ATTR_CMN_FNDRINFO                 = 0x4000
+	ATTR_CMN_FSID                     = 0x4
+	ATTR_CMN_FULLPATH                 = 0x8000000
+	ATTR_CMN_GEN_COUNT                = 0x80000
+	ATTR_CMN_GRPID                    = 0x10000
+	ATTR_CMN_GRPUUID                  = 0x1000000
+	ATTR_CMN_MODTIME                  = 0x400
+	ATTR_CMN_NAME                     = 0x1
+	ATTR_CMN_NAMEDATTRCOUNT           = 0x80000
+	ATTR_CMN_NAMEDATTRLIST            = 0x100000
+	ATTR_CMN_OBJID                    = 0x20
+	ATTR_CMN_OBJPERMANENTID           = 0x40
+	ATTR_CMN_OBJTAG                   = 0x10
+	ATTR_CMN_OBJTYPE                  = 0x8
+	ATTR_CMN_OWNERID                  = 0x8000
+	ATTR_CMN_PARENTID                 = 0x4000000
+	ATTR_CMN_PAROBJID                 = 0x80
+	ATTR_CMN_RETURNED_ATTRS           = 0x80000000
+	ATTR_CMN_SCRIPT                   = 0x100
+	ATTR_CMN_SETMASK                  = 0x41c7ff00
+	ATTR_CMN_USERACCESS               = 0x200000
+	ATTR_CMN_UUID                     = 0x800000
+	ATTR_CMN_VALIDMASK                = 0xffffffff
+	ATTR_CMN_VOLSETMASK               = 0x6700
+	ATTR_FILE_ALLOCSIZE               = 0x4
+	ATTR_FILE_CLUMPSIZE               = 0x10
+	ATTR_FILE_DATAALLOCSIZE           = 0x400
+	ATTR_FILE_DATAEXTENTS             = 0x800
+	ATTR_FILE_DATALENGTH              = 0x200
+	ATTR_FILE_DEVTYPE                 = 0x20
+	ATTR_FILE_FILETYPE                = 0x40
+	ATTR_FILE_FORKCOUNT               = 0x80
+	ATTR_FILE_FORKLIST                = 0x100
+	ATTR_FILE_IOBLOCKSIZE             = 0x8
+	ATTR_FILE_LINKCOUNT               = 0x1
+	ATTR_FILE_RSRCALLOCSIZE           = 0x2000
+	ATTR_FILE_RSRCEXTENTS             = 0x4000
+	ATTR_FILE_RSRCLENGTH              = 0x1000
+	ATTR_FILE_SETMASK                 = 0x20
+	ATTR_FILE_TOTALSIZE               = 0x2
+	ATTR_FILE_VALIDMASK               = 0x37ff
+	ATTR_VOL_ALLOCATIONCLUMP          = 0x40
+	ATTR_VOL_ATTRIBUTES               = 0x40000000
+	ATTR_VOL_CAPABILITIES             = 0x20000
+	ATTR_VOL_DIRCOUNT                 = 0x400
+	ATTR_VOL_ENCODINGSUSED            = 0x10000
+	ATTR_VOL_FILECOUNT                = 0x200
+	ATTR_VOL_FSTYPE                   = 0x1
+	ATTR_VOL_INFO                     = 0x80000000
+	ATTR_VOL_IOBLOCKSIZE              = 0x80
+	ATTR_VOL_MAXOBJCOUNT              = 0x800
+	ATTR_VOL_MINALLOCATION            = 0x20
+	ATTR_VOL_MOUNTEDDEVICE            = 0x8000
+	ATTR_VOL_MOUNTFLAGS               = 0x4000
+	ATTR_VOL_MOUNTPOINT               = 0x1000
+	ATTR_VOL_NAME                     = 0x2000
+	ATTR_VOL_OBJCOUNT                 = 0x100
+	ATTR_VOL_QUOTA_SIZE               = 0x10000000
+	ATTR_VOL_RESERVED_SIZE            = 0x20000000
+	ATTR_VOL_SETMASK                  = 0x80002000
+	ATTR_VOL_SIGNATURE                = 0x2
+	ATTR_VOL_SIZE                     = 0x4
+	ATTR_VOL_SPACEAVAIL               = 0x10
+	ATTR_VOL_SPACEFREE                = 0x8
+	ATTR_VOL_UUID                     = 0x40000
+	ATTR_VOL_VALIDMASK                = 0xf007ffff
 	B0                                = 0x0
 	B110                              = 0x6e
 	B115200                           = 0x1c200
@@ -169,6 +249,8 @@ const (
 	CSTOP                             = 0x13
 	CSTOPB                            = 0x400
 	CSUSP                             = 0x1a
+	CTL_HW                            = 0x6
+	CTL_KERN                          = 0x1
 	CTL_MAXNAME                       = 0xc
 	CTL_NET                           = 0x4
 	DLT_A429                          = 0xb8
@@ -390,6 +472,11 @@ const (
 	FF1                               = 0x4000
 	FFDLY                             = 0x4000
 	FLUSHO                            = 0x800000
+	FSOPT_ATTR_CMN_EXTENDED           = 0x20
+	FSOPT_NOFOLLOW                    = 0x1
+	FSOPT_NOINMEMUPDATE               = 0x2
+	FSOPT_PACK_INVAL_ATTRS            = 0x8
+	FSOPT_REPORT_FULLSIZE             = 0x4
 	F_ADDFILESIGS                     = 0x3d
 	F_ADDFILESIGS_FOR_DYLD_SIM        = 0x53
 	F_ADDFILESIGS_RETURN              = 0x61
@@ -425,6 +512,7 @@ const (
 	F_PATHPKG_CHECK                   = 0x34
 	F_PEOFPOSMODE                     = 0x3
 	F_PREALLOCATE                     = 0x2a
+	F_PUNCHHOLE                       = 0x63
 	F_RDADVISE                        = 0x2c
 	F_RDAHEAD                         = 0x2d
 	F_RDLCK                           = 0x1
@@ -441,10 +529,12 @@ const (
 	F_SINGLE_WRITER                   = 0x4c
 	F_THAW_FS                         = 0x36
 	F_TRANSCODEKEY                    = 0x4b
+	F_TRIM_ACTIVE_FILE                = 0x64
 	F_UNLCK                           = 0x2
 	F_VOLPOSMODE                      = 0x4
 	F_WRLCK                           = 0x3
 	HUPCL                             = 0x4000
+	HW_MACHINE                        = 0x1
 	ICANON                            = 0x100
 	ICMP6_FILTER                      = 0x12
 	ICRNL                             = 0x100
@@ -681,6 +771,7 @@ const (
 	IPV6_FAITH                        = 0x1d
 	IPV6_FLOWINFO_MASK                = 0xffffff0f
 	IPV6_FLOWLABEL_MASK               = 0xffff0f00
+	IPV6_FLOW_ECN_MASK                = 0x300
 	IPV6_FRAGTTL                      = 0x3c
 	IPV6_FW_ADD                       = 0x1e
 	IPV6_FW_DEL                       = 0x1f
@@ -771,6 +862,7 @@ const (
 	IP_RECVOPTS                       = 0x5
 	IP_RECVPKTINFO                    = 0x1a
 	IP_RECVRETOPTS                    = 0x6
+	IP_RECVTOS                        = 0x1b
 	IP_RECVTTL                        = 0x18
 	IP_RETOPTS                        = 0x8
 	IP_RF                             = 0x8000
@@ -789,6 +881,10 @@ const (
 	IXANY                             = 0x800
 	IXOFF                             = 0x400
 	IXON                              = 0x200
+	KERN_HOSTNAME                     = 0xa
+	KERN_OSRELEASE                    = 0x2
+	KERN_OSTYPE                       = 0x1
+	KERN_VERSION                      = 0x4
 	LOCK_EX                           = 0x2
 	LOCK_NB                           = 0x4
 	LOCK_SH                           = 0x1

vendor/golang.org/x/sys/unix/zerrors_darwin_arm.go

@@ -49,6 +49,86 @@ const (
 	AF_UNSPEC                         = 0x0
 	AF_UTUN                           = 0x26
 	ALTWERASE                         = 0x200
+	ATTR_BIT_MAP_COUNT                = 0x5
+	ATTR_CMN_ACCESSMASK               = 0x20000
+	ATTR_CMN_ACCTIME                  = 0x1000
+	ATTR_CMN_ADDEDTIME                = 0x10000000
+	ATTR_CMN_BKUPTIME                 = 0x2000
+	ATTR_CMN_CHGTIME                  = 0x800
+	ATTR_CMN_CRTIME                   = 0x200
+	ATTR_CMN_DATA_PROTECT_FLAGS       = 0x40000000
+	ATTR_CMN_DEVID                    = 0x2
+	ATTR_CMN_DOCUMENT_ID              = 0x100000
+	ATTR_CMN_ERROR                    = 0x20000000
+	ATTR_CMN_EXTENDED_SECURITY        = 0x400000
+	ATTR_CMN_FILEID                   = 0x2000000
+	ATTR_CMN_FLAGS                    = 0x40000
+	ATTR_CMN_FNDRINFO                 = 0x4000
+	ATTR_CMN_FSID                     = 0x4
+	ATTR_CMN_FULLPATH                 = 0x8000000
+	ATTR_CMN_GEN_COUNT                = 0x80000
+	ATTR_CMN_GRPID                    = 0x10000
+	ATTR_CMN_GRPUUID                  = 0x1000000
+	ATTR_CMN_MODTIME                  = 0x400
+	ATTR_CMN_NAME                     = 0x1
+	ATTR_CMN_NAMEDATTRCOUNT           = 0x80000
+	ATTR_CMN_NAMEDATTRLIST            = 0x100000
+	ATTR_CMN_OBJID                    = 0x20
+	ATTR_CMN_OBJPERMANENTID           = 0x40
+	ATTR_CMN_OBJTAG                   = 0x10
+	ATTR_CMN_OBJTYPE                  = 0x8
+	ATTR_CMN_OWNERID                  = 0x8000
+	ATTR_CMN_PARENTID                 = 0x4000000
+	ATTR_CMN_PAROBJID                 = 0x80
+	ATTR_CMN_RETURNED_ATTRS           = 0x80000000
+	ATTR_CMN_SCRIPT                   = 0x100
+	ATTR_CMN_SETMASK                  = 0x41c7ff00
+	ATTR_CMN_USERACCESS               = 0x200000
+	ATTR_CMN_UUID                     = 0x800000
+	ATTR_CMN_VALIDMASK                = 0xffffffff
+	ATTR_CMN_VOLSETMASK               = 0x6700
+	ATTR_FILE_ALLOCSIZE               = 0x4
+	ATTR_FILE_CLUMPSIZE               = 0x10
+	ATTR_FILE_DATAALLOCSIZE           = 0x400
+	ATTR_FILE_DATAEXTENTS             = 0x800
+	ATTR_FILE_DATALENGTH              = 0x200
+	ATTR_FILE_DEVTYPE                 = 0x20
+	ATTR_FILE_FILETYPE                = 0x40
+	ATTR_FILE_FORKCOUNT               = 0x80
+	ATTR_FILE_FORKLIST                = 0x100
+	ATTR_FILE_IOBLOCKSIZE             = 0x8
+	ATTR_FILE_LINKCOUNT               = 0x1
+	ATTR_FILE_RSRCALLOCSIZE           = 0x2000
+	ATTR_FILE_RSRCEXTENTS             = 0x4000
+	ATTR_FILE_RSRCLENGTH              = 0x1000
+	ATTR_FILE_SETMASK                 = 0x20
+	ATTR_FILE_TOTALSIZE               = 0x2
+	ATTR_FILE_VALIDMASK               = 0x37ff
+	ATTR_VOL_ALLOCATIONCLUMP          = 0x40
+	ATTR_VOL_ATTRIBUTES               = 0x40000000
+	ATTR_VOL_CAPABILITIES             = 0x20000
+	ATTR_VOL_DIRCOUNT                 = 0x400
+	ATTR_VOL_ENCODINGSUSED            = 0x10000
+	ATTR_VOL_FILECOUNT                = 0x200
+	ATTR_VOL_FSTYPE                   = 0x1
+	ATTR_VOL_INFO                     = 0x80000000
+	ATTR_VOL_IOBLOCKSIZE              = 0x80
+	ATTR_VOL_MAXOBJCOUNT              = 0x800
+	ATTR_VOL_MINALLOCATION            = 0x20
+	ATTR_VOL_MOUNTEDDEVICE            = 0x8000
+	ATTR_VOL_MOUNTFLAGS               = 0x4000
+	ATTR_VOL_MOUNTPOINT               = 0x1000
+	ATTR_VOL_NAME                     = 0x2000
+	ATTR_VOL_OBJCOUNT                 = 0x100
+	ATTR_VOL_QUOTA_SIZE               = 0x10000000
+	ATTR_VOL_RESERVED_SIZE            = 0x20000000
+	ATTR_VOL_SETMASK                  = 0x80002000
+	ATTR_VOL_SIGNATURE                = 0x2
+	ATTR_VOL_SIZE                     = 0x4
+	ATTR_VOL_SPACEAVAIL               = 0x10
+	ATTR_VOL_SPACEFREE                = 0x8
+	ATTR_VOL_UUID                     = 0x40000
+	ATTR_VOL_VALIDMASK                = 0xf007ffff
 	B0                                = 0x0
 	B110                              = 0x6e
 	B115200                           = 0x1c200
@@ -169,6 +249,8 @@ const (
 	CSTOP                             = 0x13
 	CSTOPB                            = 0x400
 	CSUSP                             = 0x1a
+	CTL_HW                            = 0x6
+	CTL_KERN                          = 0x1
 	CTL_MAXNAME                       = 0xc
 	CTL_NET                           = 0x4
 	DLT_A429                          = 0xb8
@@ -390,6 +472,11 @@ const (
 	FF1                               = 0x4000
 	FFDLY                             = 0x4000
 	FLUSHO                            = 0x800000
+	FSOPT_ATTR_CMN_EXTENDED           = 0x20
+	FSOPT_NOFOLLOW                    = 0x1
+	FSOPT_NOINMEMUPDATE               = 0x2
+	FSOPT_PACK_INVAL_ATTRS            = 0x8
+	FSOPT_REPORT_FULLSIZE             = 0x4
 	F_ADDFILESIGS                     = 0x3d
 	F_ADDFILESIGS_FOR_DYLD_SIM        = 0x53
 	F_ADDFILESIGS_RETURN              = 0x61
@@ -425,6 +512,7 @@ const (
 	F_PATHPKG_CHECK                   = 0x34
 	F_PEOFPOSMODE                     = 0x3
 	F_PREALLOCATE                     = 0x2a
+	F_PUNCHHOLE                       = 0x63
 	F_RDADVISE                        = 0x2c
 	F_RDAHEAD                         = 0x2d
 	F_RDLCK                           = 0x1
@@ -441,10 +529,12 @@ const (
 	F_SINGLE_WRITER                   = 0x4c
 	F_THAW_FS                         = 0x36
 	F_TRANSCODEKEY                    = 0x4b
+	F_TRIM_ACTIVE_FILE                = 0x64
 	F_UNLCK                           = 0x2
 	F_VOLPOSMODE                      = 0x4
 	F_WRLCK                           = 0x3
 	HUPCL                             = 0x4000
+	HW_MACHINE                        = 0x1
 	ICANON                            = 0x100
 	ICMP6_FILTER                      = 0x12
 	ICRNL                             = 0x100
@@ -681,6 +771,7 @@ const (
 	IPV6_FAITH                        = 0x1d
 	IPV6_FLOWINFO_MASK                = 0xffffff0f
 	IPV6_FLOWLABEL_MASK               = 0xffff0f00
+	IPV6_FLOW_ECN_MASK                = 0x300
 	IPV6_FRAGTTL                      = 0x3c
 	IPV6_FW_ADD                       = 0x1e
 	IPV6_FW_DEL                       = 0x1f
@@ -771,6 +862,7 @@ const (
 	IP_RECVOPTS                       = 0x5
 	IP_RECVPKTINFO                    = 0x1a
 	IP_RECVRETOPTS                    = 0x6
+	IP_RECVTOS                        = 0x1b
 	IP_RECVTTL                        = 0x18
 	IP_RETOPTS                        = 0x8
 	IP_RF                             = 0x8000
@@ -789,6 +881,10 @@ const (
 	IXANY                             = 0x800
 	IXOFF                             = 0x400
 	IXON                              = 0x200
+	KERN_HOSTNAME                     = 0xa
+	KERN_OSRELEASE                    = 0x2
+	KERN_OSTYPE                       = 0x1
+	KERN_VERSION                      = 0x4
 	LOCK_EX                           = 0x2
 	LOCK_NB                           = 0x4
 	LOCK_SH                           = 0x1

vendor/golang.org/x/sys/unix/zerrors_darwin_arm64.go

@@ -49,6 +49,86 @@ const (
 	AF_UNSPEC                         = 0x0
 	AF_UTUN                           = 0x26
 	ALTWERASE                         = 0x200
+	ATTR_BIT_MAP_COUNT                = 0x5
+	ATTR_CMN_ACCESSMASK               = 0x20000
+	ATTR_CMN_ACCTIME                  = 0x1000
+	ATTR_CMN_ADDEDTIME                = 0x10000000
+	ATTR_CMN_BKUPTIME                 = 0x2000
+	ATTR_CMN_CHGTIME                  = 0x800
+	ATTR_CMN_CRTIME                   = 0x200
+	ATTR_CMN_DATA_PROTECT_FLAGS       = 0x40000000
+	ATTR_CMN_DEVID                    = 0x2
+	ATTR_CMN_DOCUMENT_ID              = 0x100000
+	ATTR_CMN_ERROR                    = 0x20000000
+	ATTR_CMN_EXTENDED_SECURITY        = 0x400000
+	ATTR_CMN_FILEID                   = 0x2000000
+	ATTR_CMN_FLAGS                    = 0x40000
+	ATTR_CMN_FNDRINFO                 = 0x4000
+	ATTR_CMN_FSID                     = 0x4
+	ATTR_CMN_FULLPATH                 = 0x8000000
+	ATTR_CMN_GEN_COUNT                = 0x80000
+	ATTR_CMN_GRPID                    = 0x10000
+	ATTR_CMN_GRPUUID                  = 0x1000000
+	ATTR_CMN_MODTIME                  = 0x400
+	ATTR_CMN_NAME                     = 0x1
+	ATTR_CMN_NAMEDATTRCOUNT           = 0x80000
+	ATTR_CMN_NAMEDATTRLIST            = 0x100000
+	ATTR_CMN_OBJID                    = 0x20
+	ATTR_CMN_OBJPERMANENTID           = 0x40
+	ATTR_CMN_OBJTAG                   = 0x10
+	ATTR_CMN_OBJTYPE                  = 0x8
+	ATTR_CMN_OWNERID                  = 0x8000
+	ATTR_CMN_PARENTID                 = 0x4000000
+	ATTR_CMN_PAROBJID                 = 0x80
+	ATTR_CMN_RETURNED_ATTRS           = 0x80000000
+	ATTR_CMN_SCRIPT                   = 0x100
+	ATTR_CMN_SETMASK                  = 0x41c7ff00
+	ATTR_CMN_USERACCESS               = 0x200000
+	ATTR_CMN_UUID                     = 0x800000
+	ATTR_CMN_VALIDMASK                = 0xffffffff
+	ATTR_CMN_VOLSETMASK               = 0x6700
+	ATTR_FILE_ALLOCSIZE               = 0x4
+	ATTR_FILE_CLUMPSIZE               = 0x10
+	ATTR_FILE_DATAALLOCSIZE           = 0x400
+	ATTR_FILE_DATAEXTENTS             = 0x800
+	ATTR_FILE_DATALENGTH              = 0x200
+	ATTR_FILE_DEVTYPE                 = 0x20
+	ATTR_FILE_FILETYPE                = 0x40
+	ATTR_FILE_FORKCOUNT               = 0x80
+	ATTR_FILE_FORKLIST                = 0x100
+	ATTR_FILE_IOBLOCKSIZE             = 0x8
+	ATTR_FILE_LINKCOUNT               = 0x1
+	ATTR_FILE_RSRCALLOCSIZE           = 0x2000
+	ATTR_FILE_RSRCEXTENTS             = 0x4000
+	ATTR_FILE_RSRCLENGTH              = 0x1000
+	ATTR_FILE_SETMASK                 = 0x20
+	ATTR_FILE_TOTALSIZE               = 0x2
+	ATTR_FILE_VALIDMASK               = 0x37ff
+	ATTR_VOL_ALLOCATIONCLUMP          = 0x40
+	ATTR_VOL_ATTRIBUTES               = 0x40000000
+	ATTR_VOL_CAPABILITIES             = 0x20000
+	ATTR_VOL_DIRCOUNT                 = 0x400
+	ATTR_VOL_ENCODINGSUSED            = 0x10000
+	ATTR_VOL_FILECOUNT                = 0x200
+	ATTR_VOL_FSTYPE                   = 0x1
+	ATTR_VOL_INFO                     = 0x80000000
+	ATTR_VOL_IOBLOCKSIZE              = 0x80
+	ATTR_VOL_MAXOBJCOUNT              = 0x800
+	ATTR_VOL_MINALLOCATION            = 0x20
+	ATTR_VOL_MOUNTEDDEVICE            = 0x8000
+	ATTR_VOL_MOUNTFLAGS               = 0x4000
+	ATTR_VOL_MOUNTPOINT               = 0x1000
+	ATTR_VOL_NAME                     = 0x2000
+	ATTR_VOL_OBJCOUNT                 = 0x100
+	ATTR_VOL_QUOTA_SIZE               = 0x10000000
+	ATTR_VOL_RESERVED_SIZE            = 0x20000000
+	ATTR_VOL_SETMASK                  = 0x80002000
+	ATTR_VOL_SIGNATURE                = 0x2
+	ATTR_VOL_SIZE                     = 0x4
+	ATTR_VOL_SPACEAVAIL               = 0x10
+	ATTR_VOL_SPACEFREE                = 0x8
+	ATTR_VOL_UUID                     = 0x40000
+	ATTR_VOL_VALIDMASK                = 0xf007ffff
 	B0                                = 0x0
 	B110                              = 0x6e
 	B115200                           = 0x1c200
@@ -169,6 +249,8 @@ const (
 	CSTOP                             = 0x13
 	CSTOPB                            = 0x400
 	CSUSP                             = 0x1a
+	CTL_HW                            = 0x6
+	CTL_KERN                          = 0x1
 	CTL_MAXNAME                       = 0xc
 	CTL_NET                           = 0x4
 	DLT_A429                          = 0xb8
@@ -390,6 +472,11 @@ const (
 	FF1                               = 0x4000
 	FFDLY                             = 0x4000
 	FLUSHO                            = 0x800000
+	FSOPT_ATTR_CMN_EXTENDED           = 0x20
+	FSOPT_NOFOLLOW                    = 0x1
+	FSOPT_NOINMEMUPDATE               = 0x2
+	FSOPT_PACK_INVAL_ATTRS            = 0x8
+	FSOPT_REPORT_FULLSIZE             = 0x4
 	F_ADDFILESIGS                     = 0x3d
 	F_ADDFILESIGS_FOR_DYLD_SIM        = 0x53
 	F_ADDFILESIGS_RETURN              = 0x61
@@ -425,6 +512,7 @@ const (
 	F_PATHPKG_CHECK                   = 0x34
 	F_PEOFPOSMODE                     = 0x3
 	F_PREALLOCATE                     = 0x2a
+	F_PUNCHHOLE                       = 0x63
 	F_RDADVISE                        = 0x2c
 	F_RDAHEAD                         = 0x2d
 	F_RDLCK                           = 0x1
@@ -441,10 +529,12 @@ const (
 	F_SINGLE_WRITER                   = 0x4c
 	F_THAW_FS                         = 0x36
 	F_TRANSCODEKEY                    = 0x4b
+	F_TRIM_ACTIVE_FILE                = 0x64
 	F_UNLCK                           = 0x2
 	F_VOLPOSMODE                      = 0x4
 	F_WRLCK                           = 0x3
 	HUPCL                             = 0x4000
+	HW_MACHINE                        = 0x1
 	ICANON                            = 0x100
 	ICMP6_FILTER                      = 0x12
 	ICRNL                             = 0x100
@@ -681,6 +771,7 @@ const (
 	IPV6_FAITH                        = 0x1d
 	IPV6_FLOWINFO_MASK                = 0xffffff0f
 	IPV6_FLOWLABEL_MASK               = 0xffff0f00
+	IPV6_FLOW_ECN_MASK                = 0x300
 	IPV6_FRAGTTL                      = 0x3c
 	IPV6_FW_ADD                       = 0x1e
 	IPV6_FW_DEL                       = 0x1f
@@ -771,6 +862,7 @@ const (
 	IP_RECVOPTS                       = 0x5
 	IP_RECVPKTINFO                    = 0x1a
 	IP_RECVRETOPTS                    = 0x6
+	IP_RECVTOS                        = 0x1b
 	IP_RECVTTL                        = 0x18
 	IP_RETOPTS                        = 0x8
 	IP_RF                             = 0x8000
@@ -789,6 +881,10 @@ const (
 	IXANY                             = 0x800
 	IXOFF                             = 0x400
 	IXON                              = 0x200
+	KERN_HOSTNAME                     = 0xa
+	KERN_OSRELEASE                    = 0x2
+	KERN_OSTYPE                       = 0x1
+	KERN_VERSION                      = 0x4
 	LOCK_EX                           = 0x2
 	LOCK_NB                           = 0x4
 	LOCK_SH                           = 0x1

vendor/golang.org/x/sys/unix/zerrors_dragonfly_amd64.go

@@ -168,6 +168,8 @@ const (
 	CSTOP                             = 0x13
 	CSTOPB                            = 0x400
 	CSUSP                             = 0x1a
+	CTL_HW                            = 0x6
+	CTL_KERN                          = 0x1
 	CTL_MAXNAME                       = 0xc
 	CTL_NET                           = 0x4
 	DLT_A429                          = 0xb8
@@ -353,6 +355,7 @@ const (
 	F_UNLCK                           = 0x2
 	F_WRLCK                           = 0x3
 	HUPCL                             = 0x4000
+	HW_MACHINE                        = 0x1
 	ICANON                            = 0x100
 	ICMP6_FILTER                      = 0x12
 	ICRNL                             = 0x100
@@ -835,6 +838,10 @@ const (
 	IXANY                             = 0x800
 	IXOFF                             = 0x400
 	IXON                              = 0x200
+	KERN_HOSTNAME                     = 0xa
+	KERN_OSRELEASE                    = 0x2
+	KERN_OSTYPE                       = 0x1
+	KERN_VERSION                      = 0x4
 	LOCK_EX                           = 0x2
 	LOCK_NB                           = 0x4
 	LOCK_SH                           = 0x1

vendor/golang.org/x/sys/unix/zerrors_freebsd_386.go

@@ -351,6 +351,8 @@ const (
 	CSTOP                          = 0x13
 	CSTOPB                         = 0x400
 	CSUSP                          = 0x1a
+	CTL_HW                         = 0x6
+	CTL_KERN                       = 0x1
 	CTL_MAXNAME                    = 0x18
 	CTL_NET                        = 0x4
 	DLT_A429                       = 0xb8
@@ -608,6 +610,7 @@ const (
 	F_UNLCKSYS                     = 0x4
 	F_WRLCK                        = 0x3
 	HUPCL                          = 0x4000
+	HW_MACHINE                     = 0x1
 	ICANON                         = 0x100
 	ICMP6_FILTER                   = 0x12
 	ICRNL                          = 0x100
@@ -944,6 +947,10 @@ const (
 	IXANY                          = 0x800
 	IXOFF                          = 0x400
 	IXON                           = 0x200
+	KERN_HOSTNAME                  = 0xa
+	KERN_OSRELEASE                 = 0x2
+	KERN_OSTYPE                    = 0x1
+	KERN_VERSION                   = 0x4
 	LOCK_EX                        = 0x2
 	LOCK_NB                        = 0x4
 	LOCK_SH                        = 0x1

vendor/golang.org/x/sys/unix/zerrors_freebsd_amd64.go

@@ -351,6 +351,8 @@ const (
 	CSTOP                          = 0x13
 	CSTOPB                         = 0x400
 	CSUSP                          = 0x1a
+	CTL_HW                         = 0x6
+	CTL_KERN                       = 0x1
 	CTL_MAXNAME                    = 0x18
 	CTL_NET                        = 0x4
 	DLT_A429                       = 0xb8
@@ -608,6 +610,7 @@ const (
 	F_UNLCKSYS                     = 0x4
 	F_WRLCK                        = 0x3
 	HUPCL                          = 0x4000
+	HW_MACHINE                     = 0x1
 	ICANON                         = 0x100
 	ICMP6_FILTER                   = 0x12
 	ICRNL                          = 0x100
@@ -944,6 +947,10 @@ const (
 	IXANY                          = 0x800
 	IXOFF                          = 0x400
 	IXON                           = 0x200
+	KERN_HOSTNAME                  = 0xa
+	KERN_OSRELEASE                 = 0x2
+	KERN_OSTYPE                    = 0x1
+	KERN_VERSION                   = 0x4
 	LOCK_EX                        = 0x2
 	LOCK_NB                        = 0x4
 	LOCK_SH                        = 0x1

vendor/golang.org/x/sys/unix/zerrors_freebsd_arm.go

@@ -351,6 +351,8 @@ const (
 	CSTOP                          = 0x13
 	CSTOPB                         = 0x400
 	CSUSP                          = 0x1a
+	CTL_HW                         = 0x6
+	CTL_KERN                       = 0x1
 	CTL_MAXNAME                    = 0x18
 	CTL_NET                        = 0x4
 	DLT_A429                       = 0xb8
@@ -615,6 +617,7 @@ const (
 	F_UNLCKSYS                     = 0x4
 	F_WRLCK                        = 0x3
 	HUPCL                          = 0x4000
+	HW_MACHINE                     = 0x1
 	ICANON                         = 0x100
 	ICMP6_FILTER                   = 0x12
 	ICRNL                          = 0x100
@@ -951,6 +954,10 @@ const (
 	IXANY                          = 0x800
 	IXOFF                          = 0x400
 	IXON                           = 0x200
+	KERN_HOSTNAME                  = 0xa
+	KERN_OSRELEASE                 = 0x2
+	KERN_OSTYPE                    = 0x1
+	KERN_VERSION                   = 0x4
 	LOCK_EX                        = 0x2
 	LOCK_NB                        = 0x4
 	LOCK_SH                        = 0x1

vendor/golang.org/x/sys/unix/zerrors_linux_386.go

@@ -623,6 +623,7 @@ const (
 	IN_OPEN                              = 0x20
 	IN_Q_OVERFLOW                        = 0x4000
 	IN_UNMOUNT                           = 0x2000
+	IOCTL_VM_SOCKETS_GET_LOCAL_CID       = 0x7b9
 	IPPROTO_AH                           = 0x33
 	IPPROTO_BEETPH                       = 0x5e
 	IPPROTO_COMP                         = 0x6c
@@ -1637,6 +1638,27 @@ const (
 	SPLICE_F_MORE                        = 0x4
 	SPLICE_F_MOVE                        = 0x1
 	SPLICE_F_NONBLOCK                    = 0x2
+	STATX_ALL                            = 0xfff
+	STATX_ATIME                          = 0x20
+	STATX_ATTR_APPEND                    = 0x20
+	STATX_ATTR_AUTOMOUNT                 = 0x1000
+	STATX_ATTR_COMPRESSED                = 0x4
+	STATX_ATTR_ENCRYPTED                 = 0x800
+	STATX_ATTR_IMMUTABLE                 = 0x10
+	STATX_ATTR_NODUMP                    = 0x40
+	STATX_BASIC_STATS                    = 0x7ff
+	STATX_BLOCKS                         = 0x400
+	STATX_BTIME                          = 0x800
+	STATX_CTIME                          = 0x80
+	STATX_GID                            = 0x10
+	STATX_INO                            = 0x100
+	STATX_MODE                           = 0x2
+	STATX_MTIME                          = 0x40
+	STATX_NLINK                          = 0x4
+	STATX_SIZE                           = 0x200
+	STATX_TYPE                           = 0x1
+	STATX_UID                            = 0x8
+	STATX__RESERVED                      = 0x80000000
 	S_BLKSIZE                            = 0x200
 	S_IEXEC                              = 0x40
 	S_IFBLK                              = 0x6000

vendor/golang.org/x/sys/unix/zerrors_linux_amd64.go

@@ -623,6 +623,7 @@ const (
 	IN_OPEN                              = 0x20
 	IN_Q_OVERFLOW                        = 0x4000
 	IN_UNMOUNT                           = 0x2000
+	IOCTL_VM_SOCKETS_GET_LOCAL_CID       = 0x7b9
 	IPPROTO_AH                           = 0x33
 	IPPROTO_BEETPH                       = 0x5e
 	IPPROTO_COMP                         = 0x6c
@@ -1638,6 +1639,27 @@ const (
 	SPLICE_F_MORE                        = 0x4
 	SPLICE_F_MOVE                        = 0x1
 	SPLICE_F_NONBLOCK                    = 0x2
+	STATX_ALL                            = 0xfff
+	STATX_ATIME                          = 0x20
+	STATX_ATTR_APPEND                    = 0x20
+	STATX_ATTR_AUTOMOUNT                 = 0x1000
+	STATX_ATTR_COMPRESSED                = 0x4
+	STATX_ATTR_ENCRYPTED                 = 0x800
+	STATX_ATTR_IMMUTABLE                 = 0x10
+	STATX_ATTR_NODUMP                    = 0x40
+	STATX_BASIC_STATS                    = 0x7ff
+	STATX_BLOCKS                         = 0x400
+	STATX_BTIME                          = 0x800
+	STATX_CTIME                          = 0x80
+	STATX_GID                            = 0x10
+	STATX_INO                            = 0x100
+	STATX_MODE                           = 0x2
+	STATX_MTIME                          = 0x40
+	STATX_NLINK                          = 0x4
+	STATX_SIZE                           = 0x200
+	STATX_TYPE                           = 0x1
+	STATX_UID                            = 0x8
+	STATX__RESERVED                      = 0x80000000
 	S_BLKSIZE                            = 0x200
 	S_IEXEC                              = 0x40
 	S_IFBLK                              = 0x6000

vendor/golang.org/x/sys/unix/zerrors_linux_arm.go

@@ -623,6 +623,7 @@ const (
 	IN_OPEN                              = 0x20
 	IN_Q_OVERFLOW                        = 0x4000
 	IN_UNMOUNT                           = 0x2000
+	IOCTL_VM_SOCKETS_GET_LOCAL_CID       = 0x7b9
 	IPPROTO_AH                           = 0x33
 	IPPROTO_BEETPH                       = 0x5e
 	IPPROTO_COMP                         = 0x6c
@@ -1642,6 +1643,27 @@ const (
 	SPLICE_F_MORE                        = 0x4
 	SPLICE_F_MOVE                        = 0x1
 	SPLICE_F_NONBLOCK                    = 0x2
+	STATX_ALL                            = 0xfff
+	STATX_ATIME                          = 0x20
+	STATX_ATTR_APPEND                    = 0x20
+	STATX_ATTR_AUTOMOUNT                 = 0x1000
+	STATX_ATTR_COMPRESSED                = 0x4
+	STATX_ATTR_ENCRYPTED                 = 0x800
+	STATX_ATTR_IMMUTABLE                 = 0x10
+	STATX_ATTR_NODUMP                    = 0x40
+	STATX_BASIC_STATS                    = 0x7ff
+	STATX_BLOCKS                         = 0x400
+	STATX_BTIME                          = 0x800
+	STATX_CTIME                          = 0x80
+	STATX_GID                            = 0x10
+	STATX_INO                            = 0x100
+	STATX_MODE                           = 0x2
+	STATX_MTIME                          = 0x40
+	STATX_NLINK                          = 0x4
+	STATX_SIZE                           = 0x200
+	STATX_TYPE                           = 0x1
+	STATX_UID                            = 0x8
+	STATX__RESERVED                      = 0x80000000
 	S_BLKSIZE                            = 0x200
 	S_IEXEC                              = 0x40
 	S_IFBLK                              = 0x6000

vendor/golang.org/x/sys/unix/zerrors_linux_arm64.go

@@ -625,6 +625,7 @@ const (
 	IN_OPEN                              = 0x20
 	IN_Q_OVERFLOW                        = 0x4000
 	IN_UNMOUNT                           = 0x2000
+	IOCTL_VM_SOCKETS_GET_LOCAL_CID       = 0x7b9
 	IPPROTO_AH                           = 0x33
 	IPPROTO_BEETPH                       = 0x5e
 	IPPROTO_COMP                         = 0x6c
@@ -1628,6 +1629,27 @@ const (
 	SPLICE_F_MORE                        = 0x4
 	SPLICE_F_MOVE                        = 0x1
 	SPLICE_F_NONBLOCK                    = 0x2
+	STATX_ALL                            = 0xfff
+	STATX_ATIME                          = 0x20
+	STATX_ATTR_APPEND                    = 0x20
+	STATX_ATTR_AUTOMOUNT                 = 0x1000
+	STATX_ATTR_COMPRESSED                = 0x4
+	STATX_ATTR_ENCRYPTED                 = 0x800
+	STATX_ATTR_IMMUTABLE                 = 0x10
+	STATX_ATTR_NODUMP                    = 0x40
+	STATX_BASIC_STATS                    = 0x7ff
+	STATX_BLOCKS                         = 0x400
+	STATX_BTIME                          = 0x800
+	STATX_CTIME                          = 0x80
+	STATX_GID                            = 0x10
+	STATX_INO                            = 0x100
+	STATX_MODE                           = 0x2
+	STATX_MTIME                          = 0x40
+	STATX_NLINK                          = 0x4
+	STATX_SIZE                           = 0x200
+	STATX_TYPE                           = 0x1
+	STATX_UID                            = 0x8
+	STATX__RESERVED                      = 0x80000000
 	S_BLKSIZE                            = 0x200
 	S_IEXEC                              = 0x40
 	S_IFBLK                              = 0x6000

vendor/golang.org/x/sys/unix/zerrors_linux_mips.go

@@ -623,6 +623,7 @@ const (
 	IN_OPEN                              = 0x20
 	IN_Q_OVERFLOW                        = 0x4000
 	IN_UNMOUNT                           = 0x2000
+	IOCTL_VM_SOCKETS_GET_LOCAL_CID       = 0x200007b9
 	IPPROTO_AH                           = 0x33
 	IPPROTO_BEETPH                       = 0x5e
 	IPPROTO_COMP                         = 0x6c
@@ -1640,6 +1641,27 @@ const (
 	SPLICE_F_MORE                        = 0x4
 	SPLICE_F_MOVE                        = 0x1
 	SPLICE_F_NONBLOCK                    = 0x2
+	STATX_ALL                            = 0xfff
+	STATX_ATIME                          = 0x20
+	STATX_ATTR_APPEND                    = 0x20
+	STATX_ATTR_AUTOMOUNT                 = 0x1000
+	STATX_ATTR_COMPRESSED                = 0x4
+	STATX_ATTR_ENCRYPTED                 = 0x800
+	STATX_ATTR_IMMUTABLE                 = 0x10
+	STATX_ATTR_NODUMP                    = 0x40
+	STATX_BASIC_STATS                    = 0x7ff
+	STATX_BLOCKS                         = 0x400
+	STATX_BTIME                          = 0x800
+	STATX_CTIME                          = 0x80
+	STATX_GID                            = 0x10
+	STATX_INO                            = 0x100
+	STATX_MODE                           = 0x2
+	STATX_MTIME                          = 0x40
+	STATX_NLINK                          = 0x4
+	STATX_SIZE                           = 0x200
+	STATX_TYPE                           = 0x1
+	STATX_UID                            = 0x8
+	STATX__RESERVED                      = 0x80000000
 	S_BLKSIZE                            = 0x200
 	S_IEXEC                              = 0x40
 	S_IFBLK                              = 0x6000

vendor/golang.org/x/sys/unix/zerrors_linux_mips64.go

@@ -623,6 +623,7 @@ const (
 	IN_OPEN                              = 0x20
 	IN_Q_OVERFLOW                        = 0x4000
 	IN_UNMOUNT                           = 0x2000
+	IOCTL_VM_SOCKETS_GET_LOCAL_CID       = 0x200007b9
 	IPPROTO_AH                           = 0x33
 	IPPROTO_BEETPH                       = 0x5e
 	IPPROTO_COMP                         = 0x6c
@@ -1640,6 +1641,27 @@ const (
 	SPLICE_F_MORE                        = 0x4
 	SPLICE_F_MOVE                        = 0x1
 	SPLICE_F_NONBLOCK                    = 0x2
+	STATX_ALL                            = 0xfff
+	STATX_ATIME                          = 0x20
+	STATX_ATTR_APPEND                    = 0x20
+	STATX_ATTR_AUTOMOUNT                 = 0x1000
+	STATX_ATTR_COMPRESSED                = 0x4
+	STATX_ATTR_ENCRYPTED                 = 0x800
+	STATX_ATTR_IMMUTABLE                 = 0x10
+	STATX_ATTR_NODUMP                    = 0x40
+	STATX_BASIC_STATS                    = 0x7ff
+	STATX_BLOCKS                         = 0x400
+	STATX_BTIME                          = 0x800
+	STATX_CTIME                          = 0x80
+	STATX_GID                            = 0x10
+	STATX_INO                            = 0x100
+	STATX_MODE                           = 0x2
+	STATX_MTIME                          = 0x40
+	STATX_NLINK                          = 0x4
+	STATX_SIZE                           = 0x200
+	STATX_TYPE                           = 0x1
+	STATX_UID                            = 0x8
+	STATX__RESERVED                      = 0x80000000
 	S_BLKSIZE                            = 0x200
 	S_IEXEC                              = 0x40
 	S_IFBLK                              = 0x6000

vendor/golang.org/x/sys/unix/zerrors_linux_mips64le.go

@@ -623,6 +623,7 @@ const (
 	IN_OPEN                              = 0x20
 	IN_Q_OVERFLOW                        = 0x4000
 	IN_UNMOUNT                           = 0x2000
+	IOCTL_VM_SOCKETS_GET_LOCAL_CID       = 0x200007b9
 	IPPROTO_AH                           = 0x33
 	IPPROTO_BEETPH                       = 0x5e
 	IPPROTO_COMP                         = 0x6c
@@ -1640,6 +1641,27 @@ const (
 	SPLICE_F_MORE                        = 0x4
 	SPLICE_F_MOVE                        = 0x1
 	SPLICE_F_NONBLOCK                    = 0x2
+	STATX_ALL                            = 0xfff
+	STATX_ATIME                          = 0x20
+	STATX_ATTR_APPEND                    = 0x20
+	STATX_ATTR_AUTOMOUNT                 = 0x1000
+	STATX_ATTR_COMPRESSED                = 0x4
+	STATX_ATTR_ENCRYPTED                 = 0x800
+	STATX_ATTR_IMMUTABLE                 = 0x10
+	STATX_ATTR_NODUMP                    = 0x40
+	STATX_BASIC_STATS                    = 0x7ff
+	STATX_BLOCKS                         = 0x400
+	STATX_BTIME                          = 0x800
+	STATX_CTIME                          = 0x80
+	STATX_GID                            = 0x10
+	STATX_INO                            = 0x100
+	STATX_MODE                           = 0x2
+	STATX_MTIME                          = 0x40
+	STATX_NLINK                          = 0x4
+	STATX_SIZE                           = 0x200
+	STATX_TYPE                           = 0x1
+	STATX_UID                            = 0x8
+	STATX__RESERVED                      = 0x80000000
 	S_BLKSIZE                            = 0x200
 	S_IEXEC                              = 0x40
 	S_IFBLK                              = 0x6000

vendor/golang.org/x/sys/unix/zerrors_linux_mipsle.go

@@ -623,6 +623,7 @@ const (
 	IN_OPEN                              = 0x20
 	IN_Q_OVERFLOW                        = 0x4000
 	IN_UNMOUNT                           = 0x2000
+	IOCTL_VM_SOCKETS_GET_LOCAL_CID       = 0x200007b9
 	IPPROTO_AH                           = 0x33
 	IPPROTO_BEETPH                       = 0x5e
 	IPPROTO_COMP                         = 0x6c
@@ -1640,6 +1641,27 @@ const (
 	SPLICE_F_MORE                        = 0x4
 	SPLICE_F_MOVE                        = 0x1
 	SPLICE_F_NONBLOCK                    = 0x2
+	STATX_ALL                            = 0xfff
+	STATX_ATIME                          = 0x20
+	STATX_ATTR_APPEND                    = 0x20
+	STATX_ATTR_AUTOMOUNT                 = 0x1000
+	STATX_ATTR_COMPRESSED                = 0x4
+	STATX_ATTR_ENCRYPTED                 = 0x800
+	STATX_ATTR_IMMUTABLE                 = 0x10
+	STATX_ATTR_NODUMP                    = 0x40
+	STATX_BASIC_STATS                    = 0x7ff
+	STATX_BLOCKS                         = 0x400
+	STATX_BTIME                          = 0x800
+	STATX_CTIME                          = 0x80
+	STATX_GID                            = 0x10
+	STATX_INO                            = 0x100
+	STATX_MODE                           = 0x2
+	STATX_MTIME                          = 0x40
+	STATX_NLINK                          = 0x4
+	STATX_SIZE                           = 0x200
+	STATX_TYPE                           = 0x1
+	STATX_UID                            = 0x8
+	STATX__RESERVED                      = 0x80000000
 	S_BLKSIZE                            = 0x200
 	S_IEXEC                              = 0x40
 	S_IFBLK                              = 0x6000

vendor/golang.org/x/sys/unix/zerrors_linux_ppc64.go

@@ -623,6 +623,7 @@ const (
 	IN_OPEN                              = 0x20
 	IN_Q_OVERFLOW                        = 0x4000
 	IN_UNMOUNT                           = 0x2000
+	IOCTL_VM_SOCKETS_GET_LOCAL_CID       = 0x200007b9
 	IPPROTO_AH                           = 0x33
 	IPPROTO_BEETPH                       = 0x5e
 	IPPROTO_COMP                         = 0x6c
@@ -1695,6 +1696,27 @@ const (
 	SPLICE_F_MORE                        = 0x4
 	SPLICE_F_MOVE                        = 0x1
 	SPLICE_F_NONBLOCK                    = 0x2
+	STATX_ALL                            = 0xfff
+	STATX_ATIME                          = 0x20
+	STATX_ATTR_APPEND                    = 0x20
+	STATX_ATTR_AUTOMOUNT                 = 0x1000
+	STATX_ATTR_COMPRESSED                = 0x4
+	STATX_ATTR_ENCRYPTED                 = 0x800
+	STATX_ATTR_IMMUTABLE                 = 0x10
+	STATX_ATTR_NODUMP                    = 0x40
+	STATX_BASIC_STATS                    = 0x7ff
+	STATX_BLOCKS                         = 0x400
+	STATX_BTIME                          = 0x800
+	STATX_CTIME                          = 0x80
+	STATX_GID                            = 0x10
+	STATX_INO                            = 0x100
+	STATX_MODE                           = 0x2
+	STATX_MTIME                          = 0x40
+	STATX_NLINK                          = 0x4
+	STATX_SIZE                           = 0x200
+	STATX_TYPE                           = 0x1
+	STATX_UID                            = 0x8
+	STATX__RESERVED                      = 0x80000000
 	S_BLKSIZE                            = 0x200
 	S_IEXEC                              = 0x40
 	S_IFBLK                              = 0x6000

vendor/golang.org/x/sys/unix/zerrors_linux_ppc64le.go

@@ -623,6 +623,7 @@ const (
 	IN_OPEN                              = 0x20
 	IN_Q_OVERFLOW                        = 0x4000
 	IN_UNMOUNT                           = 0x2000
+	IOCTL_VM_SOCKETS_GET_LOCAL_CID       = 0x200007b9
 	IPPROTO_AH                           = 0x33
 	IPPROTO_BEETPH                       = 0x5e
 	IPPROTO_COMP                         = 0x6c
@@ -1695,6 +1696,27 @@ const (
 	SPLICE_F_MORE                        = 0x4
 	SPLICE_F_MOVE                        = 0x1
 	SPLICE_F_NONBLOCK                    = 0x2
+	STATX_ALL                            = 0xfff
+	STATX_ATIME                          = 0x20
+	STATX_ATTR_APPEND                    = 0x20
+	STATX_ATTR_AUTOMOUNT                 = 0x1000
+	STATX_ATTR_COMPRESSED                = 0x4
+	STATX_ATTR_ENCRYPTED                 = 0x800
+	STATX_ATTR_IMMUTABLE                 = 0x10
+	STATX_ATTR_NODUMP                    = 0x40
+	STATX_BASIC_STATS                    = 0x7ff
+	STATX_BLOCKS                         = 0x400
+	STATX_BTIME                          = 0x800
+	STATX_CTIME                          = 0x80
+	STATX_GID                            = 0x10
+	STATX_INO                            = 0x100
+	STATX_MODE                           = 0x2
+	STATX_MTIME                          = 0x40
+	STATX_NLINK                          = 0x4
+	STATX_SIZE                           = 0x200
+	STATX_TYPE                           = 0x1
+	STATX_UID                            = 0x8
+	STATX__RESERVED                      = 0x80000000
 	S_BLKSIZE                            = 0x200
 	S_IEXEC                              = 0x40
 	S_IFBLK                              = 0x6000

vendor/golang.org/x/sys/unix/zerrors_linux_s390x.go

@@ -623,6 +623,7 @@ const (
 	IN_OPEN                              = 0x20
 	IN_Q_OVERFLOW                        = 0x4000
 	IN_UNMOUNT                           = 0x2000
+	IOCTL_VM_SOCKETS_GET_LOCAL_CID       = 0x7b9
 	IPPROTO_AH                           = 0x33
 	IPPROTO_BEETPH                       = 0x5e
 	IPPROTO_COMP                         = 0x6c
@@ -1699,6 +1700,27 @@ const (
 	SPLICE_F_MORE                        = 0x4
 	SPLICE_F_MOVE                        = 0x1
 	SPLICE_F_NONBLOCK                    = 0x2
+	STATX_ALL                            = 0xfff
+	STATX_ATIME                          = 0x20
+	STATX_ATTR_APPEND                    = 0x20
+	STATX_ATTR_AUTOMOUNT                 = 0x1000
+	STATX_ATTR_COMPRESSED                = 0x4
+	STATX_ATTR_ENCRYPTED                 = 0x800
+	STATX_ATTR_IMMUTABLE                 = 0x10
+	STATX_ATTR_NODUMP                    = 0x40
+	STATX_BASIC_STATS                    = 0x7ff
+	STATX_BLOCKS                         = 0x400
+	STATX_BTIME                          = 0x800
+	STATX_CTIME                          = 0x80
+	STATX_GID                            = 0x10
+	STATX_INO                            = 0x100
+	STATX_MODE                           = 0x2
+	STATX_MTIME                          = 0x40
+	STATX_NLINK                          = 0x4
+	STATX_SIZE                           = 0x200
+	STATX_TYPE                           = 0x1
+	STATX_UID                            = 0x8
+	STATX__RESERVED                      = 0x80000000
 	S_BLKSIZE                            = 0x200
 	S_IEXEC                              = 0x40
 	S_IFBLK                              = 0x6000