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Fix several small Windows compatibility issues, per Andreas.

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This commit is contained in:
Tom Lane 2004-08-06 16:00:51 +00:00
parent 78877260e6
commit 8ae7278ced
1 changed files with 38 additions and 13 deletions

51
src/backend/postmaster/syslogger.c

@ -18,7 +18,7 @@
*
*
* IDENTIFICATION
* $PostgreSQL: pgsql/src/backend/postmaster/syslogger.c,v 1.1 2004/08/05 23:32:10 tgl Exp $
* $PostgreSQL: pgsql/src/backend/postmaster/syslogger.c,v 1.2 2004/08/06 16:00:51 tgl Exp $
*
*-------------------------------------------------------------------------
*/
@ -41,6 +41,18 @@
#include "utils/ps_status.h"
/*
* We really want line-buffered mode for logfile output, but Windows does
* not have it, and interprets _IOLBF as _IOFBF (bozos). So use _IONBF
* instead on Windows.
*/
#ifdef WIN32
#define LBF_MODE _IONBF
#else
#define LBF_MODE _IOLBF
#endif
/*
* GUC parameters. Redirect_stderr cannot be changed after postmaster
* start, but the rest can change at SIGHUP.
@ -132,11 +144,19 @@ SysLoggerMain(int argc, char *argv[])
*/
if (redirection_done)
{
int i = open(NULL_DEV, O_WRONLY);
int fd = open(NULL_DEV, O_WRONLY);
dup2(i, fileno(stdout));
dup2(i, fileno(stderr));
close(i);
/*
* The closes might look redundant, but they are not: we want to be
* darn sure the pipe gets closed even if the open failed. We can
* survive running with stderr pointing nowhere, but we can't afford
* to have extra pipe input descriptors hanging around.
*/
close(fileno(stdout));
close(fileno(stderr));
dup2(fd, fileno(stdout));
dup2(fd, fileno(stderr));
close(fd);
}
/*
@ -317,9 +337,13 @@ SysLoggerMain(int argc, char *argv[])
{
ereport(LOG,
(errmsg("logger shutting down")));
if (syslogFile)
fclose(syslogFile);
/* normal exit from the syslogger is here */
/*
* Normal exit from the syslogger is here. Note that we
* deliberately do not close syslogFile before exiting;
* this is to allow for the possibility of elog messages
* being generated inside proc_exit. Regular exit() will
* take care of flushing and closing stdio channels.
*/
proc_exit(0);
}
}
@ -401,7 +425,7 @@ SysLogger_Start(void)
(errmsg("could not create logfile \"%s\": %m",
filename))));
setvbuf(syslogFile, NULL, _IOLBF, 0);
setvbuf(syslogFile, NULL, LBF_MODE, 0);
pfree(filename);
@ -557,7 +581,7 @@ syslogger_parseArgs(int argc, char *argv[])
if (fd != -1)
{
syslogFile = fdopen(fd, "a");
setvbuf(syslogFile, NULL, _IOLBF, 0);
setvbuf(syslogFile, NULL, LBF_MODE, 0);
}
redirection_done = (bool) atoi(*argv++);
#else /* WIN32 */
@ -568,7 +592,7 @@ syslogger_parseArgs(int argc, char *argv[])
if (fd != 0)
{
syslogFile = fdopen(fd, "a");
setvbuf(syslogFile, NULL, _IOLBF, 0);
setvbuf(syslogFile, NULL, LBF_MODE, 0);
}
}
redirection_done = (bool) atoi(*argv++);
@ -631,7 +655,8 @@ pipeThread(void *arg)
{
DWORD error = GetLastError();
if (error == ERROR_HANDLE_EOF)
if (error == ERROR_HANDLE_EOF ||
error == ERROR_BROKEN_PIPE)
break;
ereport(LOG,
(errcode_for_file_access(),
@ -689,7 +714,7 @@ logfile_rotate(void)
return;
}
setvbuf(fh, NULL, _IOLBF, 0);
setvbuf(fh, NULL, LBF_MODE, 0);
/* On Windows, need to interlock against data-transfer thread */
#ifdef WIN32