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Do not block when trying to lock a PID file; fail immediately

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This commit is contained in:
Moritz Grimm 2017-09-25 17:06:38 +02:00
parent 8cc45a3a3d
commit f5f130e036
1 changed files with 1 additions and 1 deletions
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2
src/util.c
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@ -168,7 +168,7 @@ util_write_pid_file(const char *path)
pid = getpid();
if (0 >= fprintf(pidfile_file, "%ld\n", (long)pid) ||
0 > fflush(pidfile_file) ||
0 > flock(fileno(pidfile_file), LOCK_EX))
0 > flock(fileno(pidfile_file), LOCK_EX | LOCK_NB))
goto error;
if (0 == pidfile_numlocks) {