26 	spin_lock_irq(&task->sighand->siglock);  in update_rlimit_cpu()
28 	spin_unlock_irq(&task->sighand->siglock);  in update_rlimit_cpu()
369 	struct sighand_struct *sighand;  in posix_cpu_timer_del()  local
378 	sighand = lock_task_sighand(p, &flags);  in posix_cpu_timer_del()
379 	if (unlikely(sighand == NULL)) {  in posix_cpu_timer_del()
604 	struct sighand_struct *sighand;  in posix_cpu_timer_set()  local
617 	sighand = lock_task_sighand(p, &flags);  in posix_cpu_timer_set()
622 	if (unlikely(sighand == NULL)) {  in posix_cpu_timer_set()
769 		struct sighand_struct *sighand;  in posix_cpu_timer_get()  local
777 		sighand = lock_task_sighand(p, &flags);  in posix_cpu_timer_get()
778 		if (unlikely(sighand == NULL)) {  in posix_cpu_timer_get()
1004 	struct sighand_struct *sighand;  in posix_cpu_timer_schedule()  local
1021 		sighand = lock_task_sighand(p, &flags);  in posix_cpu_timer_schedule()
1022 		if (!sighand)  in posix_cpu_timer_schedule()
1029 		sighand = lock_task_sighand(p, &flags);  in posix_cpu_timer_schedule()
1030 		if (unlikely(sighand == NULL)) {  in posix_cpu_timer_schedule()