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core: don't wait for reply if writing to pipe fails 

This shouldn't really happen, but it's seems cleaner to
continue on error.

CID #1237552.
This commit is contained in:
Zbigniew Jędrzejewski-Szmek 2015-03-13 21:20:53 -05:00
parent 3164e3cbc5
commit cd972d6911
1 changed files with 4 additions and 4 deletions
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8
src/core/execute.c
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@ -1159,10 +1159,10 @@ static void do_idle_pipe_dance(int idle_pipe[4]) {
if (idle_pipe[3] >= 0 && r == 0 /* timeout */) {
/* Signal systemd that we are bored and want to continue. */
write(idle_pipe[3], "x", 1);
/* Wait for systemd to react to the signal above. */
fd_wait_for_event(idle_pipe[0], POLLHUP, IDLE_TIMEOUT2_USEC);
r = write(idle_pipe[3], "x", 1);
if (r > 0)
/* Wait for systemd to react to the signal above. */
fd_wait_for_event(idle_pipe[0], POLLHUP, IDLE_TIMEOUT2_USEC);
}
safe_close(idle_pipe[0]);