1 /* Copyright (C) 1991, 1992, 1993, 1994, 1995 Free Software Foundation, Inc.
2 This file is part of the GNU C Library.
4 The GNU C Library is free software; you can redistribute it and/or
5 modify it under the terms of the GNU Library General Public License as
6 published by the Free Software Foundation; either version 2 of the
7 License, or (at your option) any later version.
9 The GNU C Library is distributed in the hope that it will be useful,
10 but WITHOUT ANY WARRANTY; without even the implied warranty of
11 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
12 Library General Public License for more details.
14 You should have received a copy of the GNU Library General Public
15 License along with the GNU C Library; see the file COPYING.LIB. If
16 not, write to the Free Software Foundation, Inc., 675 Mass Ave,
17 Cambridge, MA 02139, USA. */
23 #include <hurd/port.h>
25 /* Get the process group ID of process PID. */
27 DEFUN(__getpgid
, (pid
), pid_t pid
)
34 /* Assume atomic word fetch and store, so don't lock _hurd_pid_lock. */
39 err
= __USEPORT (PROC
, __proc_getpgrp (port
, pid
, &pgrp
));
41 return err
? __hurd_fail (err
) : pgrp
;
44 weak_alias (__getpgid
, getpgid
)