282 extern int dequeue_signal(struct task_struct *task,
287 	struct task_struct *task = current;  in kernel_dequeue_signal()  local
291 	spin_lock_irq(&task->sighand->siglock);  in kernel_dequeue_signal()
292 	ret = dequeue_signal(task, &task->blocked, &__info);  in kernel_dequeue_signal()
293 	spin_unlock_irq(&task->sighand->siglock);  in kernel_dequeue_signal()
434 void task_join_group_stop(struct task_struct *task);
458 static inline void clear_tsk_restore_sigmask(struct task_struct *task)  in clear_tsk_restore_sigmask()  argument
460 	clear_tsk_thread_flag(task, TIF_RESTORE_SIGMASK);  in clear_tsk_restore_sigmask()
467 static inline bool test_tsk_restore_sigmask(struct task_struct *task)  in test_tsk_restore_sigmask()  argument
469 	return test_tsk_thread_flag(task, TIF_RESTORE_SIGMASK);  in test_tsk_restore_sigmask()
487 static inline void clear_tsk_restore_sigmask(struct task_struct *task)  in clear_tsk_restore_sigmask()  argument
489 	task->restore_sigmask = false;  in clear_tsk_restore_sigmask()
499 static inline bool test_tsk_restore_sigmask(struct task_struct *task)  in test_tsk_restore_sigmask()  argument
501 	return task->restore_sigmask;  in test_tsk_restore_sigmask()
640 struct pid *task_pid_type(struct task_struct *task, enum pid_type type)  in task_pid_type()  argument
644 		pid = task_pid(task);  in task_pid_type()
646 		pid = task->signal->pids[type];  in task_pid_type()
650 static inline struct pid *task_tgid(struct task_struct *task)  in task_tgid()  argument
652 	return task->signal->pids[PIDTYPE_TGID];  in task_tgid()
660 static inline struct pid *task_pgrp(struct task_struct *task)  in task_pgrp()  argument
662 	return task->signal->pids[PIDTYPE_PGID];  in task_pgrp()
665 static inline struct pid *task_session(struct task_struct *task)  in task_session()  argument
667 	return task->signal->pids[PIDTYPE_SID];  in task_session()
670 static inline int get_nr_threads(struct task_struct *task)  in get_nr_threads()  argument
672 	return task->signal->nr_threads;  in get_nr_threads()
702 extern struct sighand_struct *__lock_task_sighand(struct task_struct *task,
705 static inline struct sighand_struct *lock_task_sighand(struct task_struct *task,  in lock_task_sighand()  argument
710 	ret = __lock_task_sighand(task, flags);  in lock_task_sighand()
711 	(void)__cond_lock(&task->sighand->siglock, ret);  in lock_task_sighand()
715 static inline void unlock_task_sighand(struct task_struct *task,  in unlock_task_sighand()  argument
718 	spin_unlock_irqrestore(&task->sighand->siglock, *flags);  in unlock_task_sighand()
722 extern void lockdep_assert_task_sighand_held(struct task_struct *task);
724 static inline void lockdep_assert_task_sighand_held(struct task_struct *task) { }  in lockdep_assert_task_sighand_held()  argument
727 static inline unsigned long task_rlimit(const struct task_struct *task,  in task_rlimit()  argument
730 	return READ_ONCE(task->signal->rlim[limit].rlim_cur);  in task_rlimit()
733 static inline unsigned long task_rlimit_max(const struct task_struct *task,  in task_rlimit_max()  argument
736 	return READ_ONCE(task->signal->rlim[limit].rlim_max);  in task_rlimit_max()