95 	struct sighand_struct *sighand;  in __exit_signal()  local
99 	sighand = rcu_dereference_check(tsk->sighand,  in __exit_signal()
101 	spin_lock(&sighand->siglock);  in __exit_signal()
155 	tsk->sighand = NULL;  in __exit_signal()
156 	spin_unlock(&sighand->siglock);  in __exit_signal()
158 	__cleanup_sighand(sighand);  in __exit_signal()
892 		struct sighand_struct *const sighand = current->sighand;  in do_group_exit()  local
894 		spin_lock_irq(&sighand->siglock);  in do_group_exit()
903 		spin_unlock_irq(&sighand->siglock);  in do_group_exit()
1044 		spin_lock_irq(&current->sighand->siglock);  in wait_task_zombie()
1069 		spin_unlock_irq(&current->sighand->siglock);  in wait_task_zombie()
1158 	spin_lock_irq(&p->sighand->siglock);  in wait_task_stopped()
1173 	spin_unlock_irq(&p->sighand->siglock);  in wait_task_stopped()
1224 	spin_lock_irq(&p->sighand->siglock);  in wait_task_continued()
1227 		spin_unlock_irq(&p->sighand->siglock);  in wait_task_continued()
1233 	spin_unlock_irq(&p->sighand->siglock);  in wait_task_continued()