79 void do_notify_pidfd(struct task_struct *task);
96 extern struct pid *get_task_pid(struct task_struct *task, enum pid_type type);
101 extern void attach_pid(struct task_struct *task, enum pid_type);
102 extern void detach_pid(struct task_struct *task, enum pid_type);
103 extern void change_pid(struct task_struct *task, enum pid_type,
105 extern void exchange_tids(struct task_struct *task, struct task_struct *old);
186 #define do_each_pid_task(pid, type, task)				\  argument
189 			hlist_for_each_entry_rcu((task),		\
196 #define while_each_pid_task(pid, type, task)				\  argument
202 #define do_each_pid_thread(pid, type, task)				\  argument
203 	do_each_pid_task(pid, type, task) {				\
204 		struct task_struct *tg___ = task;			\
205 		for_each_thread(tg___, task) {
207 #define while_each_pid_thread(pid, type, task)				\  argument
209 		task = tg___;						\
210 	} while_each_pid_task(pid, type, task)
212 static inline struct pid *task_pid(struct task_struct *task)  in task_pid()  argument
214 	return task->thread_pid;  in task_pid()
228 pid_t __task_pid_nr_ns(struct task_struct *task, enum pid_type type, struct pid_namespace *ns);