diff options
Diffstat (limited to 'kernel/signal.c')
| -rw-r--r-- | kernel/signal.c | 13 |
1 files changed, 2 insertions, 11 deletions
diff --git a/kernel/signal.c b/kernel/signal.c index 1bf3c39d610..d7611f189ef 100644 --- a/kernel/signal.c +++ b/kernel/signal.c @@ -513,16 +513,7 @@ static int __dequeue_signal(struct sigpending *pending, sigset_t *mask, { int sig = 0; - /* SIGKILL must have priority, otherwise it is quite easy - * to create an unkillable process, sending sig < SIGKILL - * to self */ - if (unlikely(sigismember(&pending->signal, SIGKILL))) { - if (!sigismember(mask, SIGKILL)) - sig = SIGKILL; - } - - if (likely(!sig)) - sig = next_signal(pending, mask); + sig = next_signal(pending, mask); if (sig) { if (current->notifier) { if (sigismember(current->notifier_mask, sig)) { @@ -1499,7 +1490,7 @@ void do_notify_parent(struct task_struct *tsk, int sig) psig = tsk->parent->sighand; spin_lock_irqsave(&psig->siglock, flags); - if (sig == SIGCHLD && + if (!tsk->ptrace && sig == SIGCHLD && (psig->action[SIGCHLD-1].sa.sa_handler == SIG_IGN || (psig->action[SIGCHLD-1].sa.sa_flags & SA_NOCLDWAIT))) { /* |