148 	struct sighand_struct *sighand;  in __exit_signal()  local
152 	sighand = rcu_dereference_check(tsk->sighand,  in __exit_signal()
154 	spin_lock(&sighand->siglock);  in __exit_signal()
208 	tsk->sighand = NULL;  in __exit_signal()
209 	spin_unlock(&sighand->siglock);  in __exit_signal()
211 	__cleanup_sighand(sighand);  in __exit_signal()
411 	spin_lock_irq(&tsk->sighand->siglock);  in coredump_task_exit()
414 	spin_unlock_irq(&tsk->sighand->siglock);  in coredump_task_exit()
794 	struct sighand_struct *sighand = tsk->sighand;  in synchronize_group_exit()  local
797 	spin_lock_irq(&sighand->siglock);  in synchronize_group_exit()
805 	spin_unlock_irq(&sighand->siglock);  in synchronize_group_exit()
1009 		struct sighand_struct *const sighand = current->sighand;  in do_group_exit()  local
1011 		spin_lock_irq(&sighand->siglock);  in do_group_exit()
1022 		spin_unlock_irq(&sighand->siglock);  in do_group_exit()
1164 		spin_lock_irq(&current->sighand->siglock);  in wait_task_zombie()
1189 		spin_unlock_irq(&current->sighand->siglock);  in wait_task_zombie()
1278 	spin_lock_irq(&p->sighand->siglock);  in wait_task_stopped()
1293 	spin_unlock_irq(&p->sighand->siglock);  in wait_task_stopped()
1344 	spin_lock_irq(&p->sighand->siglock);  in wait_task_continued()
1347 		spin_unlock_irq(&p->sighand->siglock);  in wait_task_continued()
1353 	spin_unlock_irq(&p->sighand->siglock);  in wait_task_continued()