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sourceware.org Git - glibc.git/blob - sysdeps/mach/hurd/getpgid.c
1 /* Copyright (C) 1991-2015 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 Lesser General Public
6 License as published by the Free Software Foundation; either
7 version 2.1 of the 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 Lesser General Public License for more details.
14 You should have received a copy of the GNU Lesser General Public
15 License along with the GNU C Library; if not, see
16 <http://www.gnu.org/licenses/>. */
21 #include <hurd/port.h>
23 /* Get the process group ID of process PID. */
32 /* Assume atomic word fetch and store, so don't lock _hurd_pid_lock. */
37 err
= __USEPORT (PROC
, __proc_getpgrp (port
, pid
, &pgrp
));
39 return err
? __hurd_fail (err
) : pgrp
;
41 libc_hidden_def (__getpgid
)
42 weak_alias (__getpgid
, getpgid
)
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