53 struct pid  struct
58 	/* lists of tasks that use this pid */  argument
62 	wait_queue_head_t wait_pidfd;  argument
64 	struct upid numbers[];  argument
67 extern struct pid init_struct_pid;  argument
79 static inline struct pid *get_pid(struct pid *pid)  in get_pid()
88 static inline bool pid_has_task(struct pid *pid, enum pid_type type)  in pid_has_task()
143 static inline struct pid_namespace *ns_of_pid(struct pid *pid)  in ns_of_pid()
157 static inline bool is_child_reaper(struct pid *pid)  in is_child_reaper()
173 static inline pid_t pid_nr(struct pid *pid)  in pid_nr()
184 #define do_each_pid_task(pid, type, task)				\  argument
194 #define while_each_pid_task(pid, type, task)				\  argument
200 #define do_each_pid_thread(pid, type, task)				\  argument
205 #define while_each_pid_thread(pid, type, task)				\  argument
297 	pid_t pid = 0;  in task_ppid_nr_ns()  local