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| -rw-r--r-- | fetchmail.c | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/fetchmail.c b/fetchmail.c index 7721aea6..bac4a68d 100644 --- a/fetchmail.c +++ b/fetchmail.c @@ -575,6 +575,9 @@ int main(int argc, char **argv) signal(SIGQUIT, terminate_run); /* here's the exclusion lock */ +#ifndef O_SYNC +#define O_SYNC 0 /* use it if we have it */ +#endif if ((st = open(lockfile, O_WRONLY|O_CREAT|O_EXCL|O_SYNC, 0666)) != -1) { sprintf(tmpbuf,"%d", getpid()); |