1/* Copyright (C) 1998-2016 Free Software Foundation, Inc.
2 This file is part of the GNU C Library.
3
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.
8
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.
13
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/>. */
17
18#include <errno.h>
19#include <unistd.h>
20#include <setxid.h>
21
22
23int
24setegid (gid_t gid)
25{
26 int result;
27
28 if (gid == (gid_t) ~0)
29 {
30 __set_errno (EINVAL);
31 return -1;
32 }
33
34#ifdef __NR_setresgid32
35 result = INLINE_SETXID_SYSCALL (setresgid32, 3, -1, gid, -1);
36#else
37 result = INLINE_SETXID_SYSCALL (setresgid, 3, -1, gid, -1);
38#endif
39
40 return result;
41}
42#ifndef setegid
43libc_hidden_def (setegid)
44#endif
45