77 	struct task_struct *task;
104 	struct task_struct	*curr_target;
116 	struct task_struct	*group_exec_task;
277 extern void flush_signals(struct task_struct *);
278 extern void ignore_signals(struct task_struct *);
279 extern void flush_signal_handlers(struct task_struct *, int force_default);
284 	struct task_struct *task = current;  in kernel_dequeue_signal()
309 			    struct task_struct *t);
311 int send_sig_fault(int sig, int code, void __user *addr, struct task_struct *t);
314 int send_sig_mceerr(int code, void __user *, short, struct task_struct *);
323 			struct task_struct *t);
326 extern int send_sig_info(int, struct kernel_siginfo *, struct task_struct *);
335 extern __must_check bool do_notify_parent(struct task_struct *, int);
336 extern void __wake_up_parent(struct task_struct *p, struct task_struct *parent);
340 extern int send_sig(int, struct task_struct *, int);
341 extern int zap_other_threads(struct task_struct *p);
354 static inline bool __set_notify_signal(struct task_struct *task)  in __set_notify_signal()
364 static inline void set_notify_signal(struct task_struct *task)  in set_notify_signal()
376 static inline int task_sigpending(struct task_struct *p)  in task_sigpending()
381 static inline int signal_pending(struct task_struct *p)  in signal_pending()
393 static inline int __fatal_signal_pending(struct task_struct *p)  in __fatal_signal_pending()
398 static inline int fatal_signal_pending(struct task_struct *p)  in fatal_signal_pending()
403 static inline int signal_pending_state(unsigned int state, struct task_struct *p)  in signal_pending_state()
436 extern void signal_wake_up_state(struct task_struct *t, unsigned int state);
438 static inline void signal_wake_up(struct task_struct *t, bool fatal)  in signal_wake_up()
447 static inline void ptrace_signal_wake_up(struct task_struct *t, bool resume)  in ptrace_signal_wake_up()
457 void task_join_group_stop(struct task_struct *task);
481 static inline void clear_tsk_restore_sigmask(struct task_struct *task)  in clear_tsk_restore_sigmask()
490 static inline bool test_tsk_restore_sigmask(struct task_struct *task)  in test_tsk_restore_sigmask()
510 static inline void clear_tsk_restore_sigmask(struct task_struct *task)  in clear_tsk_restore_sigmask()
522 static inline bool test_tsk_restore_sigmask(struct task_struct *task)  in test_tsk_restore_sigmask()
607 static inline void sas_ss_reset(struct task_struct *p)  in sas_ss_reset()
632 	list_entry_rcu((p)->tasks.next, struct task_struct, tasks)
660 typedef int (*proc_visitor)(struct task_struct *p, void *data);
661 void walk_process_tree(struct task_struct *top, proc_visitor, void *);
664 struct pid *task_pid_type(struct task_struct *task, enum pid_type type)  in task_pid_type()
674 static inline struct pid *task_tgid(struct task_struct *task)  in task_tgid()
684 static inline struct pid *task_pgrp(struct task_struct *task)  in task_pgrp()
689 static inline struct pid *task_session(struct task_struct *task)  in task_session()
694 static inline int get_nr_threads(struct task_struct *task)  in get_nr_threads()
699 static inline bool thread_group_leader(struct task_struct *p)  in thread_group_leader()
705 bool same_thread_group(struct task_struct *p1, struct task_struct *p2)  in same_thread_group()
713 static inline struct task_struct *__next_thread(struct task_struct *p)  in __next_thread()
717 					struct task_struct,  in __next_thread()
721 static inline struct task_struct *next_thread(struct task_struct *p)  in next_thread()
726 static inline int thread_group_empty(struct task_struct *p)  in thread_group_empty()
735 extern struct sighand_struct *__lock_task_sighand(struct task_struct *task,
738 static inline struct sighand_struct *lock_task_sighand(struct task_struct *task,  in lock_task_sighand()
748 static inline void unlock_task_sighand(struct task_struct *task,  in unlock_task_sighand()
755 extern void lockdep_assert_task_sighand_held(struct task_struct *task);
757 static inline void lockdep_assert_task_sighand_held(struct task_struct *task) { }  in lockdep_assert_task_sighand_held()
760 static inline unsigned long task_rlimit(const struct task_struct *task,  in task_rlimit()
766 static inline unsigned long task_rlimit_max(const struct task_struct *task,  in task_rlimit_max()