91 	struct task_struct	*curr_target;
107 	struct task_struct	*group_exit_task;
273 extern void flush_signals(struct task_struct *);
274 extern void ignore_signals(struct task_struct *);
275 extern void flush_signal_handlers(struct task_struct *, int force_default);
276 extern int dequeue_signal(struct task_struct *task,
281 	struct task_struct *task = current;  in kernel_dequeue_signal()
309 	, struct task_struct *t);
314 	, struct task_struct *t);
317 int send_sig_mceerr(int code, void __user *, short, struct task_struct *);
326 			struct task_struct *t);
329 extern int send_sig_info(int, struct kernel_siginfo *, struct task_struct *);
338 extern __must_check bool do_notify_parent(struct task_struct *, int);
339 extern void __wake_up_parent(struct task_struct *p, struct task_struct *parent);
341 extern int send_sig(int, struct task_struct *, int);
342 extern int zap_other_threads(struct task_struct *p);
354 static inline int task_sigpending(struct task_struct *p)  in task_sigpending()
359 static inline int signal_pending(struct task_struct *p)  in signal_pending()
371 static inline int __fatal_signal_pending(struct task_struct *p)  in __fatal_signal_pending()
376 static inline int fatal_signal_pending(struct task_struct *p)  in fatal_signal_pending()
381 static inline int signal_pending_state(unsigned int state, struct task_struct *p)  in signal_pending_state()
411 extern void recalc_sigpending_and_wake(struct task_struct *t);
415 extern void signal_wake_up_state(struct task_struct *t, unsigned int state);
417 static inline void signal_wake_up(struct task_struct *t, bool resume)  in signal_wake_up()
421 static inline void ptrace_signal_wake_up(struct task_struct *t, bool resume)  in ptrace_signal_wake_up()
426 void task_join_group_stop(struct task_struct *task);
450 static inline void clear_tsk_restore_sigmask(struct task_struct *task)  in clear_tsk_restore_sigmask()
459 static inline bool test_tsk_restore_sigmask(struct task_struct *task)  in test_tsk_restore_sigmask()
479 static inline void clear_tsk_restore_sigmask(struct task_struct *task)  in clear_tsk_restore_sigmask()
491 static inline bool test_tsk_restore_sigmask(struct task_struct *task)  in test_tsk_restore_sigmask()
576 static inline void sas_ss_reset(struct task_struct *p)  in sas_ss_reset()
601 	list_entry_rcu((p)->tasks.next, struct task_struct, tasks)
628 typedef int (*proc_visitor)(struct task_struct *p, void *data);
629 void walk_process_tree(struct task_struct *top, proc_visitor, void *);
632 struct pid *task_pid_type(struct task_struct *task, enum pid_type type)  in task_pid_type()
642 static inline struct pid *task_tgid(struct task_struct *task)  in task_tgid()
652 static inline struct pid *task_pgrp(struct task_struct *task)  in task_pgrp()
657 static inline struct pid *task_session(struct task_struct *task)  in task_session()
662 static inline int get_nr_threads(struct task_struct *task)  in get_nr_threads()
667 static inline bool thread_group_leader(struct task_struct *p)  in thread_group_leader()
673 bool same_thread_group(struct task_struct *p1, struct task_struct *p2)  in same_thread_group()
678 static inline struct task_struct *next_thread(const struct task_struct *p)  in next_thread()
681 			      struct task_struct, thread_group);  in next_thread()
684 static inline int thread_group_empty(struct task_struct *p)  in thread_group_empty()
694 extern struct sighand_struct *__lock_task_sighand(struct task_struct *task,
697 static inline struct sighand_struct *lock_task_sighand(struct task_struct *task,  in lock_task_sighand()
707 static inline void unlock_task_sighand(struct task_struct *task,  in unlock_task_sighand()
714 extern void lockdep_assert_task_sighand_held(struct task_struct *task);
716 static inline void lockdep_assert_task_sighand_held(struct task_struct *task) { }  in lockdep_assert_task_sighand_held()
719 static inline unsigned long task_rlimit(const struct task_struct *task,  in task_rlimit()
725 static inline unsigned long task_rlimit_max(const struct task_struct *task,  in task_rlimit_max()