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author | Peter Stephenson <p.stephenson@samsung.com> | 2018-04-23 15:11:34 +0100 |
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committer | Peter Stephenson <p.stephenson@samsung.com> | 2018-04-23 15:11:34 +0100 |
commit | 9ad9c5cda1087151c64074a965a68b407a8bd229 (patch) | |
tree | 99d06ac7d73c749ef3a33d37ed760690daf25bb2 /Src | |
parent | 11f18457d229b84c3532c15c9080235e85d26866 (diff) | |
download | zsh-9ad9c5cda1087151c64074a965a68b407a8bd229.tar.gz zsh-9ad9c5cda1087151c64074a965a68b407a8bd229.tar.xz zsh-9ad9c5cda1087151c64074a965a68b407a8bd229.zip |
42705: Another safety fix for pgrp reclaiming.
Only do this if killpg(dead_pid, 0) returns -1, indicating the pgprp doesn't exist any more, else there is a race if other proceses have started using it.
Diffstat (limited to 'Src')
-rw-r--r-- | Src/signals.c | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/Src/signals.c b/Src/signals.c index 6e1215875..f2165c005 100644 --- a/Src/signals.c +++ b/Src/signals.c @@ -538,7 +538,8 @@ wait_for_processes(void) update_process(pn, status); #endif if (WIFEXITED(status) && - pn->pid == jn->gleader) { + pn->pid == jn->gleader && + killpg(pn->pid, 0) == -1) { jn->gleader = 0; if (!(jn->stat & STAT_NOSTTY)) { /* |