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git.ipfire.org Git - thirdparty/glibc.git/blob - sysdeps/unix/sysv/linux/sparc/sparc64/semctl.c
2714728a63a56542157bcfbbfa9fc6772493800f
1 /* Copyright (C) 1995-2015 Free Software Foundation, Inc.
2 This file is part of the GNU C Library.
3 Contributed by Ulrich Drepper <drepper@gnu.ai.mit.edu>, August 1995.
5 The GNU C Library is free software; you can redistribute it and/or
6 modify it under the terms of the GNU Lesser General Public
7 License as published by the Free Software Foundation; either
8 version 2.1 of the License, or (at your option) any later version.
10 The GNU C Library is distributed in the hope that it will be useful,
11 but WITHOUT ANY WARRANTY; without even the implied warranty of
12 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
13 Lesser General Public License for more details.
15 You should have received a copy of the GNU Lesser General Public
16 License along with the GNU C Library; if not, see
17 <http://www.gnu.org/licenses/>. */
25 #include <sys/syscall.h>
27 /* Define a `union semun' suitable for Linux here. */
30 int val
; /* value for SETVAL */
31 struct semid_ds
*buf
; /* buffer for IPC_STAT & IPC_SET */
32 unsigned short int *array
; /* array for GETALL & SETALL */
33 struct seminfo
*__buf
; /* buffer for IPC_INFO */
36 /* Return identifier for array of NSEMS semaphores associated with
40 semctl (int semid
, int semnum
, int cmd
, ...)
47 /* Get the argument. */
48 arg
= va_arg (ap
, union semun
);
52 return INLINE_SYSCALL (ipc
, 5, IPCOP_semctl
, semid
, semnum
, cmd
,