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Fix bugs regarding pid file.

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This commit is contained in:
Tatsuo Ishii 1999-12-06 07:21:12 +00:00
parent 1891f0e913
commit 169051afc9
1 changed files with 30 additions and 5 deletions
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35
src/backend/postmaster/postmaster.c
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@ -10,7 +10,7 @@
*
*
* IDENTIFICATION
* $Header: /cvsroot/pgsql/src/backend/postmaster/postmaster.c,v 1.129 1999/12/04 08:23:43 ishii Exp $
* $Header: /cvsroot/pgsql/src/backend/postmaster/postmaster.c,v 1.130 1999/12/06 07:21:12 ishii Exp $
*
* NOTES
*
@ -250,6 +250,11 @@ static bool FatalError = false;
static unsigned int random_seed = 0;
/*
* Path to pid file. Exitpostmaster() remember it to unlink the file.
*/
static char PidFile[MAXPGPATH];
extern char *optarg;
extern int optind,
opterr;
@ -277,7 +282,8 @@ static long PostmasterRandom(void);
static void RandomSalt(char *salt);
static void SignalChildren(SIGNAL_ARGS);
static int CountChildren(void);
static void UnlinkPidFile(void);
static void SetPidFname(char *datadir);
static int SetPidFile(pid_t pid, char *progname, int port, char *datadir,
int assert, int nbuf, char *execfile,
int debuglvl, int netserver,
@ -748,6 +754,7 @@ pmdaemonize(char *extraoptions)
}
_exit(0);
}
/* GH: If there's no setsid(), we hopefully don't need silent mode.
* Until there's a better solution.
*/
@ -768,6 +775,12 @@ pmdaemonize(char *extraoptions)
dup2(i, 1);
dup2(i, 2);
close(i);
/*
* register clean up proc
*/
SetPidFname(DataDir);
on_proc_exit(UnlinkPidFile, NULL);
}
static void
@ -2165,13 +2178,25 @@ SSDataBase(bool startup)
return(pid);
}
static char PidFile[MAXPGPATH];
/*
* Remove the pid file. This function is called from proc_exit.
*/
static void UnlinkPidFile(void)
{
unlink(PidFile);
}
/*
* Set path to the pid file
*/
static void SetPidFname(char * datadir)
{
snprintf(PidFile, sizeof(PidFile), "%s/%s", datadir, PIDFNAME);
}
/*
* Create the pid file
*/
static int SetPidFile(pid_t pid, char *progname, int port, char *datadir,
int assert, int nbuf, char *execfile,
int debuglvl, int netserver,
@ -2192,7 +2217,7 @@ static int SetPidFile(pid_t pid, char *progname, int port, char *datadir,
/*
* Creating pid file
*/
snprintf(PidFile, sizeof(PidFile), "%s/%s", datadir, PIDFNAME);
SetPidFname(datadir);
fd = open(PidFile, O_RDWR | O_CREAT | O_EXCL, 0600);
if (fd < 0) {
/*