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tracehook: fix SA_NOCLDWAIT
I outwitted myself again in commit 2b2a1ff64a
,
and broke the SA_NOCLDWAIT behavior so it leaks zombies. This fixes it.
Reported-by: Andi Kleen <andi@firstfloor.org>
Signed-off-by: Roland McGrath <roland@redhat.com>
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parent
1fca254274
commit
1b04624f93
@ -1338,6 +1338,7 @@ int do_notify_parent(struct task_struct *tsk, int sig)
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struct siginfo info;
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unsigned long flags;
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struct sighand_struct *psig;
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int ret = sig;
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BUG_ON(sig == -1);
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@ -1402,7 +1403,7 @@ int do_notify_parent(struct task_struct *tsk, int sig)
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* is implementation-defined: we do (if you don't want
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* it, just use SIG_IGN instead).
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*/
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tsk->exit_signal = -1;
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ret = tsk->exit_signal = -1;
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if (psig->action[SIGCHLD-1].sa.sa_handler == SIG_IGN)
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sig = -1;
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}
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@ -1411,7 +1412,7 @@ int do_notify_parent(struct task_struct *tsk, int sig)
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__wake_up_parent(tsk, tsk->parent);
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spin_unlock_irqrestore(&psig->siglock, flags);
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return sig;
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return ret;
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}
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static void do_notify_parent_cldstop(struct task_struct *tsk, int why)
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