42 	spin_lock_irq(&task->sighand->siglock);  in update_rlimit_cpu()
44 	spin_unlock_irq(&task->sighand->siglock);  in update_rlimit_cpu()
417 	struct sighand_struct *sighand;  in posix_cpu_timer_del()  local
431 	sighand = lock_task_sighand(p, &flags);  in posix_cpu_timer_del()
432 	if (unlikely(sighand == NULL)) {  in posix_cpu_timer_del()
578 	struct sighand_struct *sighand;  in posix_cpu_timer_set()  local
604 	sighand = lock_task_sighand(p, &flags);  in posix_cpu_timer_set()
609 	if (unlikely(sighand == NULL)) {  in posix_cpu_timer_set()
987 	struct sighand_struct *sighand;  in posix_cpu_timer_rearm()  local
997 	sighand = lock_task_sighand(p, &flags);  in posix_cpu_timer_rearm()
998 	if (unlikely(sighand == NULL))  in posix_cpu_timer_rearm()