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Fix for unwanted zombies ...

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When receiving SIGCHLD we must reap *all* children.  We only receive one
signal, but multiple processes may have exited.

Signed-off-by: Joachim Nilsson <troglobit@gmail.com>
This commit is contained in:
Joachim Nilsson
2015-05-31 01:58:20 +02:00
parent cb075560ed
commit 2cba0c73be
1 changed files with 10 additions and 1 deletions
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sig.c
+10 -1
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@@ -118,7 +118,16 @@ static void sigint_cb(uev_ctx_t *UNUSED(ctx), uev_t *w, void *UNUSED(arg), int U
*/
static void sigchld_cb(uev_ctx_t *UNUSED(ctx), uev_t *UNUSED(w), void *UNUSED(arg), int UNUSED(events))
{
svc_monitor(waitpid(-1, NULL, WNOHANG));
pid_t pid;
/* Reap all the children! */
do {
pid = waitpid(-1, NULL, WNOHANG);
if (pid > 0) {
_d("Collected child %d", pid);
svc_monitor(pid);
}
} while (pid > 0);
}
/*