diff options
Diffstat (limited to 'fetchmail.c')
| -rw-r--r-- | fetchmail.c | 5 |
1 files changed, 3 insertions, 2 deletions
diff --git a/fetchmail.c b/fetchmail.c index c6b2e72f..27054b1d 100644 --- a/fetchmail.c +++ b/fetchmail.c @@ -574,7 +574,8 @@ int main(int argc, char **argv) signal(SIGQUIT, terminate_run); /* here's the exclusion lock */ - if ((st = open(lockfile, O_WRONLY | O_CREAT | O_EXCL, 0666)) != -1) { + if ((st = open(lockfile, O_WRONLY|O_CREAT|O_EXCL|O_SYNC, 0666)) != -1) + { sprintf(tmpbuf,"%d", getpid()); write(st, tmpbuf, strlen(tmpbuf)); if (run.poll_interval) @@ -582,7 +583,7 @@ int main(int argc, char **argv) sprintf(tmpbuf," %d", run.poll_interval); write(st, tmpbuf, strlen(tmpbuf)); } - close(st); /* should be safe, previous write was atomic */ + close(st); /* should be safe, fd was opened with O_SYNC */ lock_acquired = TRUE; } |