1 /* Copyright (C) 2007 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/>. */
24 /* Define a `union semun' suitable for Linux here. */
27 int val
; /* value for SETVAL */
28 struct semid_ds
*buf
; /* buffer for IPC_STAT & IPC_SET */
29 unsigned short int *array
; /* array for GETALL & SETALL */
30 struct seminfo
*__buf
; /* buffer for IPC_INFO */
33 #include <bp-checks.h>
34 #include <bp-semctl.h> /* definition of CHECK_SEMCTL needs union semum */
36 int __semctl (int semid
, int semnum
, int cmd
, ...);
39 __semctl (int semid
, int semnum
, int cmd
, ...)
46 /* Get the argument. */
47 arg
= va_arg (ap
, union semun
);
51 return INLINE_SYSCALL (semctl
, 4, semid
, semnum
, cmd
| __IPC_64
,
52 CHECK_SEMCTL (&arg
, semid
, cmd
| __IPC_64
)->array
);
55 #include <shlib-compat.h>
56 versioned_symbol (libc
, __semctl
, semctl
, GLIBC_2_0
);