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Use pidfile(3) in syslogd(8).

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This commit is contained in:
Pawel Jakub Dawidek 2005-08-24 17:26:26 +00:00
parent c6262cb601
commit fa39391686
Notes: svn2git 2020-12-20 02:59:44 +00:00 
svn path=/head/; revision=149425
1 changed files with 16 additions and 9 deletions
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25
usr.sbin/syslogd/syslogd.c
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@ -297,6 +297,7 @@ static int LogFacPri; /* Put facility and priority in log message: */
/* 0=no, 1=numeric, 2=names */
static int KeepKernFac; /* Keep remotely logged kernel facility */
static int needdofsync = 0; /* Are any file(s) waiting to be fsynced? */
static struct pidfh *pfh;
volatile sig_atomic_t MarkSet, WantDie;
@ -339,14 +340,13 @@ main(int argc, char *argv[])
struct sockaddr_un sunx, fromunix;
struct sockaddr_storage frominet;
fd_set *fdsr = NULL;
FILE *fp;
char line[MAXLINE + 1];
const char *bindhostname, *hname;
struct timeval tv, *tvp;
struct sigaction sact;
struct funix *fx, *fx1;
sigset_t mask;
pid_t ppid = 1;
pid_t ppid = 1, spid;
socklen_t len;
bindhostname = NULL;
@ -456,10 +456,20 @@ main(int argc, char *argv[])
if ((argc -= optind) != 0)
usage();
pfh = pidfile_open(PidFile, 0600, &spid);
if (pfh == NULL) {
if (errno == EEXIST)
errx(1, "syslogd already running, pid: %d", spid);
warn("cannot open pid file");
}
if (!Debug) {
ppid = waitdaemon(0, 0, 30);
if (ppid < 0)
err(1, "could not become daemon");
if (ppid < 0) {
warn("could not become daemon");
pidfile_remove(pfh);
exit(1);
}
} else {
setlinebuf(stdout);
}
@ -542,11 +552,7 @@ main(int argc, char *argv[])
dprintf("can't open %s (%d)\n", _PATH_KLOG, errno);
/* tuck my process id away */
fp = fopen(PidFile, "w");
if (fp != NULL) {
fprintf(fp, "%d\n", getpid());
(void)fclose(fp);
}
pidfile_write(pfh);
dprintf("off & running....\n");
@ -1476,6 +1482,7 @@ die(int signo)
}
STAILQ_FOREACH(fx, &funixes, next)
(void)unlink(fx->name);
pidfile_remove(pfh);
exit(1);
}