242 	struct pid *thread_pid;  in release_task()
326 static int will_become_orphaned_pgrp(struct pid *pgrp,  in will_become_orphaned_pgrp()
356 static bool has_stopped_jobs(struct pid *pgrp)  in has_stopped_jobs()
376 	struct pid *pgrp = task_pgrp(tsk);  in kill_orphaned_pgrp()
944 	if (unlikely(!tsk->pid))  in make_task_dead()
1040 	pid_t pid;  member
1049 	struct pid		*wo_pid;
1101 	pid_t pid = task_pid_vnr(p);  in wait_task_zombie()  local
1221 		infop->pid = pid;  in wait_task_zombie()
1225 	return pid;  in wait_task_zombie()
1264 	pid_t pid;  in wait_task_stopped()  local
1303 	pid = task_pid_vnr(p);  in wait_task_stopped()
1318 		infop->pid = pid;  in wait_task_stopped()
1321 	return pid;  in wait_task_stopped()
1333 	pid_t pid;  in wait_task_continued()  local
1353 	pid = task_pid_vnr(p);  in wait_task_continued()
1366 		infop->pid = pid;  in wait_task_continued()
1370 	return pid;  in wait_task_continued()
1649 	struct pid *pid = NULL;  in kernel_waitid()  local
1669 		pid = find_get_pid(upid);  in kernel_waitid()
1677 			pid = find_get_pid(upid);  in kernel_waitid()
1679 			pid = get_task_pid(current, PIDTYPE_PGID);  in kernel_waitid()
1686 		pid = pidfd_get_pid(upid, &f_flags);  in kernel_waitid()
1687 		if (IS_ERR(pid))  in kernel_waitid()
1688 			return PTR_ERR(pid);  in kernel_waitid()
1696 	wo.wo_pid	= pid;  in kernel_waitid()
1707 	put_pid(pid);  in kernel_waitid()
1734 	unsafe_put_user(info.pid, &infop->si_pid, Efault);  in SYSCALL_DEFINE5()
1748 	struct pid *pid = NULL;  in kernel_wait4()  local
1764 		pid = find_get_pid(-upid);  in kernel_wait4()
1767 		pid = get_task_pid(current, PIDTYPE_PGID);  in kernel_wait4()
1770 		pid = find_get_pid(upid);  in kernel_wait4()
1774 	wo.wo_pid	= pid;  in kernel_wait4()
1780 	put_pid(pid);  in kernel_wait4()
1787 int kernel_wait(pid_t pid, int *stat)  in kernel_wait()  argument
1791 		.wo_pid		= find_get_pid(pid),  in kernel_wait()
1822 SYSCALL_DEFINE3(waitpid, pid_t, pid, int __user *, stat_addr, int, options)  in SYSCALL_DEFINE3()  argument
1824 	return kernel_wait4(pid, stat_addr, options, NULL);  in SYSCALL_DEFINE3()
1831 	compat_pid_t, pid,  in COMPAT_SYSCALL_DEFINE4()  argument
1837 	long err = kernel_wait4(pid, stat_addr, options, ru ? &r : NULL);  in COMPAT_SYSCALL_DEFINE4()
1846 		int, which, compat_pid_t, pid,  in COMPAT_SYSCALL_DEFINE5()  argument
1852 	long err = kernel_waitid(which, pid, &info, options, uru ? &ru : NULL);  in COMPAT_SYSCALL_DEFINE5()
1877 	unsafe_put_user(info.pid, &infop->si_pid, Efault);  in COMPAT_SYSCALL_DEFINE5()
1897 bool thread_group_exited(struct pid *pid)  in thread_group_exited()  argument
1903 	task = pid_task(pid, PIDTYPE_PID);  in thread_group_exited()