96 	struct sighand_struct *sighand;  in __exit_signal()  local
100 	sighand = rcu_dereference_check(tsk->sighand,  in __exit_signal()
102 	spin_lock(&sighand->siglock);  in __exit_signal()
156 	tsk->sighand = NULL;  in __exit_signal()
157 	spin_unlock(&sighand->siglock);  in __exit_signal()
159 	__cleanup_sighand(sighand);  in __exit_signal()
908 		struct sighand_struct *const sighand = current->sighand;  in do_group_exit()  local
910 		spin_lock_irq(&sighand->siglock);  in do_group_exit()
919 		spin_unlock_irq(&sighand->siglock);  in do_group_exit()
1060 		spin_lock_irq(&current->sighand->siglock);  in wait_task_zombie()
1085 		spin_unlock_irq(&current->sighand->siglock);  in wait_task_zombie()
1174 	spin_lock_irq(&p->sighand->siglock);  in wait_task_stopped()
1189 	spin_unlock_irq(&p->sighand->siglock);  in wait_task_stopped()
1240 	spin_lock_irq(&p->sighand->siglock);  in wait_task_continued()
1243 		spin_unlock_irq(&p->sighand->siglock);  in wait_task_continued()
1249 	spin_unlock_irq(&p->sighand->siglock);  in wait_task_continued()