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Clean up some confusion about where and how to set whereToSendOutput.

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We will no longer try to send elog messages to the client before we have
initialized backend libpq (oops); however, reporting bogus commandline
switches via elog does work now (not irrelevant, because of PGOPTIONS).
Fix problem with inappropriate sending of checkpoint-process messages
to stderr.
REL7_2_STABLE
Tom Lane 24 years ago
parent 6b9f94022c
commit 02b1a7fd51
10 changed files with 69 additions and 53 deletions
Show all changes Ignore whitespace when comparing lines Ignore changes in amount of whitespace Ignore changes in whitespace at EOL
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  1. 5
      src/backend/catalog/pg_proc.c
  2. 5
      src/backend/commands/async.c
  3. 9
      src/backend/commands/define.c
  4. 7
      src/backend/libpq/pqsignal.c
  5. 17
      src/backend/postmaster/postmaster.c
  6. 55
      src/backend/tcop/postgres.c
  7. 4
      src/backend/tcop/utility.c
  8. 7
      src/backend/utils/adt/sets.c
  9. 8
      src/include/catalog/pg_proc.h
  10. 5
      src/include/commands/defrem.h

5
src/backend/catalog/pg_proc.c
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@ -8,7 +8,7 @@
*
*
* IDENTIFICATION
* $Header: /cvsroot/pgsql/src/backend/catalog/pg_proc.c,v 1.58 2001/08/23 00:49:46 tgl Exp $
* $Header: /cvsroot/pgsql/src/backend/catalog/pg_proc.c,v 1.59 2001/09/08 01:10:19 tgl Exp $
*
*-------------------------------------------------------------------------
*/
@ -53,8 +53,7 @@ ProcedureCreate(char *procedureName,
int32 perbyte_cpu,
int32 percall_cpu,
int32 outin_ratio,
List *argList,
CommandDest dest)
List *argList)
{
int i;
Relation rel;

5
src/backend/commands/async.c
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@ -7,7 +7,7 @@
* Portions Copyright (c) 1994, Regents of the University of California
*
* IDENTIFICATION
* $Header: /cvsroot/pgsql/src/backend/commands/async.c,v 1.79 2001/06/17 22:27:15 tgl Exp $
* $Header: /cvsroot/pgsql/src/backend/commands/async.c,v 1.80 2001/09/08 01:10:20 tgl Exp $
*
*-------------------------------------------------------------------------
*/
@ -85,7 +85,6 @@
#include "libpq/libpq.h"
#include "libpq/pqformat.h"
#include "miscadmin.h"
#include "tcop/dest.h"
#include "tcop/tcopprot.h"
#include "utils/fmgroids.h"
#include "utils/ps_status.h"
@ -94,7 +93,7 @@
/* stuff that we really ought not be touching directly :-( */
extern TransactionState CurrentTransactionState;
extern CommandDest whereToSendOutput;
/*
* State for outbound notifies consists of a list of all relnames NOTIFYed

9
src/backend/commands/define.c
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@ -10,7 +10,7 @@
*
*
* IDENTIFICATION
* $Header: /cvsroot/pgsql/src/backend/commands/define.c,v 1.59 2001/09/06 02:07:42 tgl Exp $
* $Header: /cvsroot/pgsql/src/backend/commands/define.c,v 1.60 2001/09/08 01:10:20 tgl Exp $
*
* DESCRIPTION
* The "DefineFoo" routines take the parse tree and pick out the
@ -50,7 +50,6 @@
#include "miscadmin.h"
#include "optimizer/cost.h"
#include "parser/parse_expr.h"
#include "tcop/dest.h"
#include "utils/builtins.h"
#include "utils/syscache.h"
@ -212,10 +211,9 @@ interpret_AS_clause(const char *languageName, const List *as,
/*
* CreateFunction
* Execute a CREATE FUNCTION utility statement.
*
*/
void
CreateFunction(ProcedureStmt *stmt, CommandDest dest)
CreateFunction(ProcedureStmt *stmt)
{
char *probin_str;
@ -338,8 +336,7 @@ CreateFunction(ProcedureStmt *stmt, CommandDest dest)
perbyte_cpu,
percall_cpu,
outin_ratio,
stmt->argTypes,
dest);
stmt->argTypes);
}

7
src/backend/libpq/pqsignal.c
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@ -9,7 +9,7 @@
*
*
* IDENTIFICATION
* $Header: /cvsroot/pgsql/src/backend/libpq/pqsignal.c,v 1.22 2001/09/07 16:12:48 wieck Exp $
* $Header: /cvsroot/pgsql/src/backend/libpq/pqsignal.c,v 1.23 2001/09/08 01:10:20 tgl Exp $
*
* NOTES
* This shouldn't be in libpq, but the monitor and some other
@ -46,12 +46,15 @@
/*
* Initialize BlockSig and UnBlockSig.
* Initialize BlockSig, UnBlockSig, and AuthBlockSig.
*
* BlockSig is the set of signals to block when we are trying to block
* signals. This includes all signals we normally expect to get, but NOT
* signals that should never be turned off.
*
* AuthBlockSig is the set of signals to block during authentication;
* it's essentially BlockSig minus SIGTERM and SIGQUIT.
*
* UnBlockSig is the set of signals to block when we don't want to block
* signals (is this ever nonzero??)
*/

17
src/backend/postmaster/postmaster.c
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@ -37,7 +37,7 @@
*
*
* IDENTIFICATION
* $Header: /cvsroot/pgsql/src/backend/postmaster/postmaster.c,v 1.240 2001/09/07 16:12:48 wieck Exp $
* $Header: /cvsroot/pgsql/src/backend/postmaster/postmaster.c,v 1.241 2001/09/08 01:10:20 tgl Exp $
*
* NOTES
*
@ -687,6 +687,15 @@ PostmasterMain(int argc, char *argv[])
pqsignal(SIGTTIN, SIG_IGN); /* ignored */
pqsignal(SIGTTOU, SIG_IGN); /* ignored */
/*
* Reset whereToSendOutput from Debug (its starting state) to None.
* This prevents elog from sending messages to stderr unless the
* syslog/stderr switch permits. We don't do this until the postmaster
* is fully launched, since startup failures may as well be reported
* to stderr.
*/
whereToSendOutput = None;
/*
* Initialize and startup the statistics collector process
*/
@ -1932,8 +1941,6 @@ DoBackend(Port *port)
/* Reset MyProcPid to new backend's pid */
MyProcPid = getpid();
whereToSendOutput = Remote; /* XXX probably doesn't belong here */
/*
* We arrange for a simple exit(0) if we receive SIGTERM or SIGQUIT
* during any client authentication related communication. Otherwise
@ -1955,6 +1962,10 @@ DoBackend(Port *port)
ClientAuthentication(MyProcPort); /* might not return, if failure */
/*
* Done with authentication. Prevent SIGTERM/SIGQUIT again until
* backend startup is complete.
*/
PG_SETMASK(&BlockSig);
/*

55
src/backend/tcop/postgres.c
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@ -8,7 +8,7 @@
*
*
* IDENTIFICATION
* $Header: /cvsroot/pgsql/src/backend/tcop/postgres.c,v 1.231 2001/09/07 16:12:48 wieck Exp $
* $Header: /cvsroot/pgsql/src/backend/tcop/postgres.c,v 1.232 2001/09/08 01:10:20 tgl Exp $
*
* NOTES
* this is the "main" module of the postgres backend and
@ -85,6 +85,7 @@ bool ShowPortNumber;
bool Log_connections = false;
/* Note: whereToSendOutput is initialized for the bootstrap/standalone case */
CommandDest whereToSendOutput = Debug;
static bool dontExecute = false;
@ -536,7 +537,7 @@ pg_plan_query(Query *querytree)
if (Show_planner_stats)
{
fprintf(stderr, "PLANNER STATISTICS\n");
fprintf(StatFp, "PLANNER STATISTICS\n");
ShowUsage();
}
@ -813,7 +814,7 @@ pg_exec_query_string(char *query_string, /* string to execute */
if (Show_executor_stats)
{
fprintf(stderr, "EXECUTOR STATISTICS\n");
fprintf(StatFp, "EXECUTOR STATISTICS\n");
ShowUsage();
}
}
@ -910,9 +911,9 @@ quickdie(SIGNAL_ARGS)
PG_SETMASK(&BlockSig);
elog(NOTICE, "Message from PostgreSQL backend:"
"\n\tThe Postmaster has informed me that some other backend"
"\tdied abnormally and possibly corrupted shared memory."
"\n\tdied abnormally and possibly corrupted shared memory."
"\n\tI have rolled back the current transaction and am"
"\tgoing to terminate your database system connection and exit."
"\n\tgoing to terminate your database system connection and exit."
"\n\tPlease reconnect to the database system and repeat your query.");
/*
@ -968,6 +969,10 @@ die(SIGNAL_ARGS)
/*
* Shutdown signal from postmaster during client authentication.
* Simply exit(0).
*
* XXX: possible future improvement: try to send a message indicating
* why we are disconnecting. Problem is to be sure we don't block while
* doing so nor mess up the authentication message exchange.
*/
void
authdie(SIGNAL_ARGS)
@ -1163,6 +1168,16 @@ PostgresMain(int argc, char *argv[],
SetProcessingMode(InitProcessing);
/*
* If under postmaster, initialize libpq and enable reporting of
* elog errors to the client.
*/
if (IsUnderPostmaster)
{
pq_init(); /* initialize libpq at backend startup */
whereToSendOutput = Remote; /* now safe to elog to client */
}
/*
* Set default values for command-line options.
*/
@ -1209,7 +1224,7 @@ PostgresMain(int argc, char *argv[],
#ifdef USE_ASSERT_CHECKING
SetConfigOption("debug_assertions", optarg, ctx, true);
#else
fprintf(stderr, "Assert checking is not compiled in\n");
elog(NOTICE, "Assert checking is not compiled in");
#endif
break;
@ -1439,7 +1454,7 @@ PostgresMain(int argc, char *argv[],
*/
if (XfuncMode != 0)
{
fprintf(stderr, "only one -x flag is allowed\n");
elog(NOTICE, "only one -x flag is allowed");
errs++;
break;
}
@ -1457,7 +1472,7 @@ PostgresMain(int argc, char *argv[],
XfuncMode = XFUNC_WAIT;
else
{
fprintf(stderr, "use -x {off,nor,nopull,nopm,pullall,wait}\n");
elog(NOTICE, "use -x {off,nor,nopull,nopm,pullall,wait}");
errs++;
}
#endif
@ -1492,14 +1507,11 @@ PostgresMain(int argc, char *argv[],
/*
* Post-processing for command line options.
*
* XXX It'd be nice if libpq were already running here, so we could do
* elog(NOTICE) instead of just writing on stderr...
*/
if (Show_query_stats &&
(Show_parser_stats || Show_planner_stats || Show_executor_stats))
{
fprintf(stderr, "Query statistics are disabled because parser, planner, or executor statistics are on.\n");
elog(NOTICE, "Query statistics are disabled because parser, planner, or executor statistics are on.");
SetConfigOption("show_query_stats", "false", ctx, true);
}
@ -1508,9 +1520,9 @@ PostgresMain(int argc, char *argv[],
if (!potential_DataDir)
{
fprintf(stderr, "%s does not know where to find the database system "
"data. You must specify the directory that contains the "
"database system either by specifying the -D invocation "
"option or by setting the PGDATA environment variable.\n\n",
"data. You must specify the directory that contains the "
"database system either by specifying the -D invocation "
"option or by setting the PGDATA environment variable.\n\n",
argv[0]);
proc_exit(1);
}
@ -1578,11 +1590,11 @@ PostgresMain(int argc, char *argv[],
/* noninteractive case: nothing should be left after switches */
if (errs || argc != optind || DBName == NULL)
{
fprintf(stderr, "%s: invalid command line arguments\nTry -? for help.\n", argv[0]);
elog(NOTICE, "%s: invalid command line arguments\nTry -? for help.",
argv[0]);
proc_exit(0); /* not 1, that causes system-wide
* restart... */
}
pq_init(); /* initialize libpq at backend startup */
BaseInit();
}
else
@ -1590,15 +1602,16 @@ PostgresMain(int argc, char *argv[],
/* interactive case: database name can be last arg on command line */
if (errs || argc - optind > 1)
{
fprintf(stderr, "%s: invalid command line arguments\nTry -? for help.\n", argv[0]);
elog(NOTICE, "%s: invalid command line arguments\nTry -? for help.",
argv[0]);
proc_exit(1);
}
else if (argc - optind == 1)
DBName = argv[optind];
else if ((DBName = username) == NULL)
{
fprintf(stderr, "%s: user name undefined and no database specified\n",
argv[0]);
elog(NOTICE, "%s: user name undefined and no database specified\n",
argv[0]);
proc_exit(1);
}
@ -1723,7 +1736,7 @@ PostgresMain(int argc, char *argv[],
if (!IsUnderPostmaster)
{
puts("\nPOSTGRES backend interactive interface ");
puts("$Revision: 1.231 $ $Date: 2001/09/07 16:12:48 $\n");
puts("$Revision: 1.232 $ $Date: 2001/09/08 01:10:20 $\n");
}
/*

4
src/backend/tcop/utility.c
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@ -10,7 +10,7 @@
*
*
* IDENTIFICATION
* $Header: /cvsroot/pgsql/src/backend/tcop/utility.c,v 1.116 2001/08/21 16:36:04 tgl Exp $
* $Header: /cvsroot/pgsql/src/backend/tcop/utility.c,v 1.117 2001/09/08 01:10:20 tgl Exp $
*
*-------------------------------------------------------------------------
*/
@ -525,7 +525,7 @@ ProcessUtility(Node *parsetree,
case T_ProcedureStmt: /* CREATE FUNCTION */
set_ps_display(commandTag = "CREATE");
CreateFunction((ProcedureStmt *) parsetree, dest); /* everything */
CreateFunction((ProcedureStmt *) parsetree);
break;
case T_IndexStmt: /* CREATE INDEX */

7
src/backend/utils/adt/sets.c
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@ -10,7 +10,7 @@
*
*
* IDENTIFICATION
* $Header: /cvsroot/pgsql/src/backend/utils/adt/Attic/sets.c,v 1.37 2001/03/22 03:59:54 momjian Exp $
* $Header: /cvsroot/pgsql/src/backend/utils/adt/Attic/sets.c,v 1.38 2001/09/08 01:10:20 tgl Exp $
*
*-------------------------------------------------------------------------
*/
@ -26,8 +26,6 @@
#include "utils/sets.h"
#include "utils/syscache.h"
extern CommandDest whereToSendOutput; /* defined in tcop/postgres.c */
/*
* SetDefine - converts query string defining set to an oid
@ -65,8 +63,7 @@ SetDefine(char *querystr, char *typename)
0, /* perbyte_cpu */
0, /* percall_cpu */
100, /* outin_ratio */
NIL, /* argList */
whereToSendOutput);
NIL); /* argList */
/*
* Since we're still inside this command of the transaction, we can't

8
src/include/catalog/pg_proc.h
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@ -7,7 +7,7 @@
* Portions Copyright (c) 1996-2001, PostgreSQL Global Development Group
* Portions Copyright (c) 1994, Regents of the University of California
*
* $Id: pg_proc.h,v 1.209 2001/09/06 04:57:29 ishii Exp $
* $Id: pg_proc.h,v 1.210 2001/09/08 01:10:20 tgl Exp $
*
* NOTES
* The script catalog/genbki.sh reads this file and generates .bki
@ -23,7 +23,7 @@
#ifndef PG_PROC_H
#define PG_PROC_H
#include "tcop/dest.h"
#include "nodes/pg_list.h"
/* ----------------
* postgres.h contains the system type definintions and the
@ -2757,8 +2757,6 @@ extern Oid ProcedureCreate(char *procedureName,
int32 perbyte_cpu,
int32 percall_cpu,
int32 outin_ratio,
List *argList,
CommandDest dest);
List *argList);
#endif /* PG_PROC_H */

5
src/include/commands/defrem.h
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@ -7,7 +7,7 @@
* Portions Copyright (c) 1996-2001, PostgreSQL Global Development Group
* Portions Copyright (c) 1994, Regents of the University of California
*
* $Id: defrem.h,v 1.24 2001/08/21 16:36:06 tgl Exp $
* $Id: defrem.h,v 1.25 2001/09/08 01:10:21 tgl Exp $
*
*-------------------------------------------------------------------------
*/
@ -15,7 +15,6 @@
#define DEFREM_H
#include "nodes/parsenodes.h"
#include "tcop/dest.h"
/*
* prototypes in indexcmds.c
@ -36,7 +35,7 @@ extern void ReindexDatabase(const char *databaseName, bool force, bool all);
/*
* prototypes in define.c
*/
extern void CreateFunction(ProcedureStmt *stmt, CommandDest dest);
extern void CreateFunction(ProcedureStmt *stmt);
extern void DefineOperator(char *name, List *parameters);
extern void DefineAggregate(char *name, List *parameters);
extern void DefineType(char *name, List *parameters);

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