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Merge pull request #7226 from sourcejedi/shutdown-misuse-commment

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core: remove "misuse" of getpgid() in systemd-shutdown
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Alan Jenkins 2017-10-31 10:05:02 +00:00 committed by GitHub
commit 0ed782021b
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1 changed files with 3 additions and 3 deletions
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6
src/core/killall.c
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@ -129,9 +129,9 @@ static void wait_for_children(Set *pids, sigset_t *mask) {
* might not be our child. */
SET_FOREACH(p, pids, i) {
/* We misuse getpgid as a check whether a
* process still exists. */
if (getpgid(PTR_TO_PID(p)) >= 0)
/* kill(pid, 0) sends no signal, but it tells
* us whether the process still exists. */
if (kill(PTR_TO_PID(p), 0) == 0)
continue;
if (errno != ESRCH)