diff options
| -rw-r--r-- | kernel/signal.c | 7 |
1 files changed, 4 insertions, 3 deletions
diff --git a/kernel/signal.c b/kernel/signal.c index 98b65cb35830..989b1cc9116a 100644 --- a/kernel/signal.c +++ b/kernel/signal.c @@ -1959,14 +1959,15 @@ static void posixtimer_queue_sigqueue(struct sigqueue *q, struct task_struct *t, * * Where type is not PIDTYPE_PID, signals must be delivered to the * process. In this case, prefer to deliver to current if it is in - * the same thread group as the target process, which avoids - * unnecessarily waking up a potentially idle task. + * the same thread group as the target process and its sighand is + * stable, which avoids unnecessarily waking up a potentially idle task. */ static inline struct task_struct *posixtimer_get_target(struct k_itimer *tmr) { struct task_struct *t = pid_task(tmr->it_pid, tmr->it_pid_type); - if (t && tmr->it_pid_type != PIDTYPE_PID && same_thread_group(t, current)) + if (t && tmr->it_pid_type != PIDTYPE_PID && + same_thread_group(t, current) && !current->exit_state) t = current; return t; } |