1/*
2 * Copyright (c) 2015 Linux Test Project
3 *
4 * This program is free software; you can redistribute it and/or
5 * modify it under the terms of the GNU General Public License as
6 * published by the Free Software Foundation; either version 2 of
7 * the License, or (at your option) any later version.
8 *
9 * This program is distributed in the hope that it would be useful,
10 * but WITHOUT ANY WARRANTY; without even the implied warranty of
11 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
12 * GNU General Public License for more details.
13 *
14 * You should have received a copy of the GNU General Public License
15 * along with this program; if not, write the Free Software Foundation,
16 * Inc.,  51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
17 */
18
19#ifndef SEMUN_H__
20#define SEMUN_H__
21
22#if defined(_UAPI_LINUX_SEM_H) && !defined(_SEM_SEMUN_UNDEFINED)
23/* union semun is defined by including <sys/sem.h> */
24#else
25/* according to X/OPEN we have to define it ourselves */
26union semun {
27	int val;                /* value for SETVAL */
28	struct semid_ds *buf;   /* buffer for IPC_STAT, IPC_SET */
29	unsigned short *array;  /* array for GETALL, SETALL */
30	/* Linux specific part: */
31	struct seminfo *__buf;  /* buffer for IPC_INFO */
32};
33#endif
34
35#endif /* SEMUN_H__ */
36