98 extern struct pid *get_task_pid(struct task_struct *task, enum pid_type type);
103 extern void attach_pid(struct task_struct *task, enum pid_type);
104 extern void detach_pid(struct task_struct *task, enum pid_type);
105 extern void change_pid(struct task_struct *task, enum pid_type,
107 extern void exchange_tids(struct task_struct *task, struct task_struct *old);
191 #define do_each_pid_task(pid, type, task)				\  argument
194 			hlist_for_each_entry_rcu((task),		\
201 #define while_each_pid_task(pid, type, task)				\  argument
207 #define do_each_pid_thread(pid, type, task)				\  argument
208 	do_each_pid_task(pid, type, task) {				\
209 		struct task_struct *tg___ = task;			\
210 		for_each_thread(tg___, task) {
212 #define while_each_pid_thread(pid, type, task)				\  argument
214 		task = tg___;						\
215 	} while_each_pid_task(pid, type, task)