upstream/postgresql
1
0
Fork 0
mirror of https://github.com/postgres/postgres.git synced 2026-04-10 11:37:33 -04:00
Code Issues Projects Releases Packages Wiki Activity Actions

Only use the pipe chunking protocol if we know the syslogger should

Browse source 
be catching stderr output, and we are not ourselves the
syslogger. Otherwise, go directly to stderr.
Bug noticed by Tom Lane.
Backpatch as far as 8.0.
This commit is contained in:
Andrew Dunstan 2007-07-19 19:15:25 +00:00
parent a41c4b218f
commit 19c9660ca8
3 changed files with 15 additions and 10 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

8
src/backend/postmaster/postmaster.c
View file

@ -37,7 +37,7 @@
*
*
* IDENTIFICATION
* $PostgreSQL: pgsql/src/backend/postmaster/postmaster.c,v 1.443.4.8 2006/07/16 18:17:35 tgl Exp $
* $PostgreSQL: pgsql/src/backend/postmaster/postmaster.c,v 1.443.4.9 2007/07/19 19:15:25 adunstan Exp $
*
* NOTES
*
@ -221,6 +221,7 @@ static bool FatalError = false; /* T if recovering from backend crash */
bool ClientAuthInProgress = false; /* T during new-client
* authentication */
bool redirection_done = false;
/*
* State for assigning random salts and cancel keys.
@ -330,6 +331,7 @@ typedef struct
InheritableSocket pgStatPipe0;
InheritableSocket pgStatPipe1;
pid_t PostmasterPid;
bool redirection_done;
#ifdef WIN32
HANDLE PostmasterHandle;
HANDLE initial_signal_pipe;
@ -3718,6 +3720,8 @@ save_backend_variables(BackendParameters *param, Port *port,
param->PostmasterPid = PostmasterPid;
param->redirection_done = redirection_done;
#ifdef WIN32
param->PostmasterHandle = PostmasterHandle;
write_duplicated_handle(&param->initial_signal_pipe,
@ -3920,6 +3924,8 @@ restore_backend_variables(BackendParameters *param, Port *port)
PostmasterPid = param->PostmasterPid;
redirection_done = param->redirection_done;
#ifdef WIN32
PostmasterHandle = param->PostmasterHandle;
pgwin32_initial_signal_pipe = param->initial_signal_pipe;

9
src/backend/postmaster/syslogger.c
View file

@ -18,7 +18,7 @@
*
*
* IDENTIFICATION
* $PostgreSQL: pgsql/src/backend/postmaster/syslogger.c,v 1.12.4.2 2007/06/14 01:50:34 adunstan Exp $
* $PostgreSQL: pgsql/src/backend/postmaster/syslogger.c,v 1.12.4.3 2007/07/19 19:15:25 adunstan Exp $
*
*-------------------------------------------------------------------------
*/
@ -78,11 +78,12 @@ bool Log_truncate_on_rotation = false;
*/
bool am_syslogger = false;
extern bool redirection_done;
/*
* Private state
*/
static pg_time_t next_rotation_time;
static bool redirection_done = false;
static bool pipe_eof_seen = false;
static FILE *syslogFile = NULL;
static char *last_file_name = NULL;
@ -600,14 +601,12 @@ syslogger_forkexec(void)
snprintf(numbuf[bufc++], 32, "%d", fileno(syslogFile));
else
strcpy(numbuf[bufc++], "-1");
snprintf(numbuf[bufc++], 32, "%d", (int) redirection_done);
#else /* WIN32 */
if (syslogFile != NULL)
snprintf(numbuf[bufc++], 32, "%ld",
_get_osfhandle(_fileno(syslogFile)));
else
strcpy(numbuf[bufc++], "0");
snprintf(numbuf[bufc++], 32, "%d", (int) redirection_done);
#endif /* WIN32 */
/* Add to the arg list */
@ -641,7 +640,6 @@ syslogger_parseArgs(int argc, char *argv[])
syslogFile = fdopen(fd, "a");
setvbuf(syslogFile, NULL, LBF_MODE, 0);
}
redirection_done = (bool) atoi(*argv++);
#else /* WIN32 */
fd = atoi(*argv++);
if (fd != 0)
@ -653,7 +651,6 @@ syslogger_parseArgs(int argc, char *argv[])
setvbuf(syslogFile, NULL, LBF_MODE, 0);
}
}
redirection_done = (bool) atoi(*argv++);
#endif /* WIN32 */
}
#endif /* EXEC_BACKEND */

8
src/backend/utils/error/elog.c
View file

@ -42,7 +42,7 @@
*
*
* IDENTIFICATION
* $PostgreSQL: pgsql/src/backend/utils/error/elog.c,v 1.155.4.5 2007/06/14 01:50:34 adunstan Exp $
* $PostgreSQL: pgsql/src/backend/utils/error/elog.c,v 1.155.4.6 2007/07/19 19:15:25 adunstan Exp $
*
*-------------------------------------------------------------------------
*/
@ -75,6 +75,8 @@ ErrorContextCallback *error_context_stack = NULL;
sigjmp_buf *PG_exception_stack = NULL;
extern bool redirection_done;
/* GUC parameters */
PGErrorVerbosity Log_error_verbosity = PGERROR_VERBOSE;
char *Log_line_prefix = NULL; /* format for extra log line info */
@ -1670,11 +1672,11 @@ send_message_to_server_log(ErrorData *edata)
* If stderr redirection is active, it's ok to write to stderr
* because that's really a pipe to the syslogger process.
*/
if ((!Redirect_stderr || am_syslogger) && pgwin32_is_service())
if (pgwin32_is_service() && (!redirection_done || am_syslogger) )
write_eventlog(edata->elevel, buf.data);
else
#endif
if (Redirect_stderr)
if (redirection_done && !am_syslogger)
write_pipe_chunks(fileno(stderr), buf.data, buf.len);
else
write(fileno(stderr), buf.data, buf.len);