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()
165 	tsk->sighand = NULL;  in __exit_signal()
166 	spin_unlock(&sighand->siglock);  in __exit_signal()
168 	__cleanup_sighand(sighand);  in __exit_signal()
907 		struct sighand_struct *const sighand = current->sighand;  in do_group_exit()  local
909 		spin_lock_irq(&sighand->siglock);  in do_group_exit()
918 		spin_unlock_irq(&sighand->siglock);  in do_group_exit()
1059 		spin_lock_irq(&current->sighand->siglock);  in wait_task_zombie()
1084 		spin_unlock_irq(&current->sighand->siglock);  in wait_task_zombie()
1173 	spin_lock_irq(&p->sighand->siglock);  in wait_task_stopped()
1188 	spin_unlock_irq(&p->sighand->siglock);  in wait_task_stopped()
1239 	spin_lock_irq(&p->sighand->siglock);  in wait_task_continued()
1242 		spin_unlock_irq(&p->sighand->siglock);  in wait_task_continued()
1248 	spin_unlock_irq(&p->sighand->siglock);  in wait_task_continued()