An official read-only mirror of http://hg.nginx.org/nginx/ which is updated hourly. Pull requests on GitHub cannot be accepted and will be automatically closed. The proper way to submit changes to nginx is via the nginx development mailing list, see http:
You can not select more than 25 topics Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
 
 
 
nginx/auto/os/linux

185 lines
4.7 KiB

# Copyright (C) Igor Sysoev
# Copyright (C) Nginx, Inc.
have=NGX_LINUX . auto/have_headers
CORE_INCS="$UNIX_INCS"
CORE_DEPS="$UNIX_DEPS $LINUX_DEPS"
CORE_SRCS="$UNIX_SRCS $LINUX_SRCS"
ngx_spacer='
'
cc_aux_flags="$CC_AUX_FLAGS"
CC_AUX_FLAGS="$cc_aux_flags -D_GNU_SOURCE -D_FILE_OFFSET_BITS=64"
# Linux kernel version
version=$((`uname -r \
| sed -n -e 's/^\([0-9][0-9]*\)\.\([0-9][0-9]*\)\.\([0-9][0-9]*\).*/ \
\1*256*256+\2*256+\3/p' \
-e 's/^\([0-9][0-9]*\)\.\([0-9][0-9]*\).*/\1*256*256+\2*256/p'`))
version=${version:-0}
# enable the rt signals on Linux between 2.2.19 and 2.6.17
if [ \( $version -ge 131603 -a $version -lt 132626 \) -o $EVENT_RTSIG = YES ]
then
echo " + rt signals found"
have=NGX_HAVE_RTSIG . auto/have
EVENT_MODULES="$EVENT_MODULES $RTSIG_MODULE"
CORE_SRCS="$CORE_SRCS $RTSIG_SRCS"
EVENT_FOUND=YES
fi
# posix_fadvise64() had been implemented in 2.5.60
if [ $version -lt 132412 ]; then
have=NGX_HAVE_POSIX_FADVISE . auto/nohave
fi
# epoll, EPOLLET version
ngx_feature="epoll"
ngx_feature_name="NGX_HAVE_EPOLL"
ngx_feature_run=yes
ngx_feature_incs="#include <sys/epoll.h>"
ngx_feature_path=
ngx_feature_libs=
ngx_feature_test="int efd = 0;
struct epoll_event ee;
ee.events = EPOLLIN|EPOLLOUT|EPOLLET;
ee.data.ptr = NULL;
efd = epoll_create(100);
if (efd == -1) return 1;"
. auto/feature
if [ $ngx_found = yes ]; then
have=NGX_HAVE_CLEAR_EVENT . auto/have
CORE_SRCS="$CORE_SRCS $EPOLL_SRCS"
EVENT_MODULES="$EVENT_MODULES $EPOLL_MODULE"
EVENT_FOUND=YES
# EPOLLRDHUP appeared in Linux 2.6.17, glibc 2.8
ngx_feature="EPOLLRDHUP"
ngx_feature_name="NGX_HAVE_EPOLLRDHUP"
ngx_feature_run=no
ngx_feature_incs="#include <sys/epoll.h>"
ngx_feature_path=
ngx_feature_libs=
ngx_feature_test="int efd = 0, fd = 0;
struct epoll_event ee;
ee.events = EPOLLIN|EPOLLRDHUP|EPOLLET;
ee.data.ptr = NULL;
epoll_ctl(efd, EPOLL_CTL_ADD, fd, &ee)"
. auto/feature
fi
# O_PATH and AT_EMPTY_PATH were introduced in 2.6.39, glibc 2.14
ngx_feature="O_PATH"
ngx_feature_name="NGX_HAVE_O_PATH"
ngx_feature_run=no
ngx_feature_incs="#include <sys/types.h>
#include <sys/stat.h>
#include <fcntl.h>"
ngx_feature_path=
ngx_feature_libs=
ngx_feature_test="int fd; struct stat sb;
fd = openat(AT_FDCWD, \".\", O_PATH|O_DIRECTORY|O_NOFOLLOW);
if (fstatat(fd, \"\", &sb, AT_EMPTY_PATH) != 0) return 1"
. auto/feature
# sendfile()
CC_AUX_FLAGS="$cc_aux_flags -D_GNU_SOURCE"
ngx_feature="sendfile()"
ngx_feature_name="NGX_HAVE_SENDFILE"
ngx_feature_run=yes
ngx_feature_incs="#include <sys/sendfile.h>
#include <errno.h>"
ngx_feature_path=
ngx_feature_libs=
ngx_feature_test="int s = 0, fd = 1;
ssize_t n; off_t off = 0;
n = sendfile(s, fd, &off, 1);
if (n == -1 && errno == ENOSYS) return 1"
. auto/feature
if [ $ngx_found = yes ]; then
CORE_SRCS="$CORE_SRCS $LINUX_SENDFILE_SRCS"
fi
# sendfile64()
CC_AUX_FLAGS="$cc_aux_flags -D_GNU_SOURCE -D_FILE_OFFSET_BITS=64"
ngx_feature="sendfile64()"
ngx_feature_name="NGX_HAVE_SENDFILE64"
ngx_feature_run=yes
ngx_feature_incs="#include <sys/sendfile.h>
#include <errno.h>"
ngx_feature_path=
ngx_feature_libs=
ngx_feature_test="int s = 0, fd = 1;
ssize_t n; off_t off = 0;
n = sendfile(s, fd, &off, 1);
if (n == -1 && errno == ENOSYS) return 1"
. auto/feature
ngx_include="sys/prctl.h"; . auto/include
# prctl(PR_SET_DUMPABLE)
ngx_feature="prctl(PR_SET_DUMPABLE)"
ngx_feature_name="NGX_HAVE_PR_SET_DUMPABLE"
ngx_feature_run=yes
ngx_feature_incs="#include <sys/prctl.h>"
ngx_feature_path=
ngx_feature_libs=
ngx_feature_test="if (prctl(PR_SET_DUMPABLE, 1, 0, 0, 0) == -1) return 1"
. auto/feature
# sched_setaffinity()
ngx_feature="sched_setaffinity()"
ngx_feature_name="NGX_HAVE_SCHED_SETAFFINITY"
ngx_feature_run=no
ngx_feature_incs="#include <sched.h>"
ngx_feature_path=
ngx_feature_libs=
ngx_feature_test="cpu_set_t mask;
CPU_ZERO(&mask);
sched_setaffinity(0, sizeof(cpu_set_t), &mask)"
. auto/feature
# crypt_r()
ngx_feature="crypt_r()"
ngx_feature_name="NGX_HAVE_GNU_CRYPT_R"
ngx_feature_run=no
ngx_feature_incs="#include <crypt.h>"
ngx_feature_path=
ngx_feature_libs=-lcrypt
ngx_feature_test="struct crypt_data cd;
crypt_r(\"key\", \"salt\", &cd);"
. auto/feature
ngx_include="sys/vfs.h"; . auto/include
CC_AUX_FLAGS="$cc_aux_flags -D_GNU_SOURCE -D_FILE_OFFSET_BITS=64"