26 	spin_lock_irq(&task->sighand->siglock);  in update_rlimit_cpu()
28 	spin_unlock_irq(&task->sighand->siglock);  in update_rlimit_cpu()
392 	struct sighand_struct *sighand;  in posix_cpu_timer_del()  local
401 	sighand = lock_task_sighand(p, &flags);  in posix_cpu_timer_del()
402 	if (unlikely(sighand == NULL)) {  in posix_cpu_timer_del()
628 	struct sighand_struct *sighand;  in posix_cpu_timer_set()  local
641 	sighand = lock_task_sighand(p, &flags);  in posix_cpu_timer_set()
646 	if (unlikely(sighand == NULL)) {  in posix_cpu_timer_set()
793 		struct sighand_struct *sighand;  in posix_cpu_timer_get()  local
801 		sighand = lock_task_sighand(p, &flags);  in posix_cpu_timer_get()
802 		if (unlikely(sighand == NULL)) {  in posix_cpu_timer_get()
1048 	struct sighand_struct *sighand;  in posix_cpu_timer_schedule()  local
1065 		sighand = lock_task_sighand(p, &flags);  in posix_cpu_timer_schedule()
1066 		if (!sighand)  in posix_cpu_timer_schedule()
1073 		sighand = lock_task_sighand(p, &flags);  in posix_cpu_timer_schedule()
1074 		if (unlikely(sighand == NULL)) {  in posix_cpu_timer_schedule()