linux-master/ipc/mqueue.c

145 	struct pid *notify_owner;
319 		info->notify_owner = NULL;
647 			info->notify_owner ? info->notify.sigev_notify : 0,
648 			(info->notify_owner &&
651 			pid_vnr(info->notify_owner));
669 	if (task_tgid(current) == info->notify_owner)
790 	if (info->notify_owner &&
811 						ns_of_pid(info->notify_owner));
821 			task = pid_task(info->notify_owner, PIDTYPE_TGID);
836 		put_pid(info->notify_owner);
838 		info->notify_owner = NULL;
856 	if (info->notify_owner != NULL &&
861 	put_pid(info->notify_owner);
863 	info->notify_owner = NULL;
1396 		if (info->notify_owner == task_tgid(current)) {
1401 	} else if (info->notify_owner != NULL) {
1423 		info->notify_owner = get_pid(task_tgid(current));