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lib: fix cosmetic issue with exit race

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if we're using --terminal, the daemon may in some cases exit fast enough
for the parent to see this; this resulted in a confusing/bogus "failed
to start, exited 0" message.

Signed-off-by: David Lamparter <equinox@opensourcerouting.org>
This commit is contained in:
David Lamparter 2017-08-23 16:23:17 +02:00
parent 9eed278b16
commit 6bd2b3608d
1 changed files with 4 additions and 1 deletions
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5
lib/libfrr.c
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@ -641,7 +641,10 @@ static void frr_daemon_wait(int fd)
exit(0);
/* child failed one way or another ... */
if (WIFEXITED(exitstat))
if (WIFEXITED(exitstat) && WEXITSTATUS(exitstat) == 0)
/* can happen in --terminal case if exit is fast enough */
(void)0;
else if (WIFEXITED(exitstat))
fprintf(stderr, "%s failed to start, exited %d\n", di->name,
WEXITSTATUS(exitstat));
else if (WIFSIGNALED(exitstat))