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sd-event: do not update signal fd after PID is changed

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Otherwise, child event source will not work after the process is forked
and the event source is unref()ed on the child process.
This commit is contained in:
Yu Watanabe 2022-04-09 08:28:33 +09:00
parent 54988a27b9
commit 01e6af7374
1 changed files with 3 additions and 0 deletions
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3
src/libsystemd/sd-event/sd-event.c
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@ -706,6 +706,9 @@ static void event_unmask_signal_data(sd_event *e, struct signal_data *d, int sig
return;
}
if (event_pid_changed(e))
return;
assert(d->fd >= 0);
if (signalfd(d->fd, &d->sigset, SFD_NONBLOCK|SFD_CLOEXEC) < 0)