33 	spin_lock_irq(&task->sighand->siglock);  in update_rlimit_cpu()
35 	spin_unlock_irq(&task->sighand->siglock);  in update_rlimit_cpu()
375 	struct sighand_struct *sighand;  in posix_cpu_timer_del()  local
384 	sighand = lock_task_sighand(p, &flags);  in posix_cpu_timer_del()
385 	if (unlikely(sighand == NULL)) {  in posix_cpu_timer_del()
578 	struct sighand_struct *sighand;  in posix_cpu_timer_set()  local
595 	sighand = lock_task_sighand(p, &flags);  in posix_cpu_timer_set()
600 	if (unlikely(sighand == NULL)) {  in posix_cpu_timer_set()
737 		struct sighand_struct *sighand;  in posix_cpu_timer_get()  local
745 		sighand = lock_task_sighand(p, &flags);  in posix_cpu_timer_get()
746 		if (unlikely(sighand == NULL)) {  in posix_cpu_timer_get()
1006 	struct sighand_struct *sighand;  in posix_cpu_timer_rearm()  local
1023 		sighand = lock_task_sighand(p, &flags);  in posix_cpu_timer_rearm()
1024 		if (!sighand)  in posix_cpu_timer_rearm()
1031 		sighand = lock_task_sighand(p, &flags);  in posix_cpu_timer_rearm()
1032 		if (unlikely(sighand == NULL)) {  in posix_cpu_timer_rearm()