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| author | Oleg Nesterov <oleg@redhat.com> | 2011-06-22 23:10:11 +0200 |
|---|---|---|
| committer | Oleg Nesterov <oleg@redhat.com> | 2011-06-27 20:30:10 +0200 |
| commit | d4f7c511c1c2a67eb287987cf1ce9554149030e6 (patch) | |
| tree | 0756b300e8f558a923782a9ccea9a8b532e39159 /kernel | |
| parent | kill task_detached() (diff) | |
| download | linux-d4f7c511c1c2a67eb287987cf1ce9554149030e6.tar.xz linux-d4f7c511c1c2a67eb287987cf1ce9554149030e6.zip | |
do not change dead_task->exit_signal
__ptrace_detach() and do_notify_parent() set task->exit_signal = -1
to mark the task dead. This is no longer needed, nobody checks
exit_signal to detect the EXIT_DEAD task.
Signed-off-by: Oleg Nesterov <oleg@redhat.com>
Reviewed-by: Tejun Heo <tj@kernel.org>
Diffstat (limited to 'kernel')
| -rw-r--r-- | kernel/ptrace.c | 1 | ||||
| -rw-r--r-- | kernel/signal.c | 1 |
2 files changed, 0 insertions, 2 deletions
diff --git a/kernel/ptrace.c b/kernel/ptrace.c index 66a28bd71ef6..d7ccc79454f5 100644 --- a/kernel/ptrace.c +++ b/kernel/ptrace.c @@ -384,7 +384,6 @@ static bool __ptrace_detach(struct task_struct *tracer, struct task_struct *p) dead = do_notify_parent(p, p->exit_signal); else if (ignoring_children(tracer->sighand)) { __wake_up_parent(p, tracer); - p->exit_signal = -1; dead = true; } } diff --git a/kernel/signal.c b/kernel/signal.c index d52e82cd62bb..4c4ad34caf77 100644 --- a/kernel/signal.c +++ b/kernel/signal.c @@ -1650,7 +1650,6 @@ bool do_notify_parent(struct task_struct *tsk, int sig) * it, just use SIG_IGN instead). */ autoreap = true; - tsk->exit_signal = -1; if (psig->action[SIGCHLD-1].sa.sa_handler == SIG_IGN) sig = 0; } |