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journald: dispatch SIGTERM/SIGINT with a low priority

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Let's make sure to process all queued log data before exiting, so that
we don't unnecessary lose messages when shutting down.

https://github.com/systemd/systemd/pull/1812#issuecomment-155149871
This commit is contained in:
Lennart Poettering 2015-11-10 16:53:00 +01:00
parent a4c1800284
commit b374689c02
1 changed files with 12 additions and 0 deletions
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12
src/journal/journald-server.c
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@ -1296,10 +1296,22 @@ static int setup_signals(Server *s) {
if (r < 0)
return r;
/* Let's process SIGTERM late, so that we flush all queued
* messages to disk before we exit */
r = sd_event_source_set_priority(s->sigterm_event_source, SD_EVENT_PRIORITY_NORMAL+20);
if (r < 0)
return r;
/* When journald is invoked on the terminal (when debugging),
* it's useful if C-c is handled equivalent to SIGTERM. */
r = sd_event_add_signal(s->event, &s->sigint_event_source, SIGINT, dispatch_sigterm, s);
if (r < 0)
return r;
r = sd_event_source_set_priority(s->sigint_event_source, SD_EVENT_PRIORITY_NORMAL+20);
if (r < 0)
return r;
return 0;
}