1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
|
/* Copyright (C) 1995-2013 Free Software Foundation, Inc.
This file is part of the GNU C Library.
Contributed by Ulrich Drepper <drepper@gnu.ai.mit.edu>, August 1995.
The GNU C Library is free software; you can redistribute it and/or
modify it under the terms of the GNU Lesser General Public
License as published by the Free Software Foundation; either
version 2.1 of the License, or (at your option) any later version.
The GNU C Library is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
Lesser General Public License for more details.
You should have received a copy of the GNU Lesser General Public
License along with the GNU C Library. If not, see
<http://www.gnu.org/licenses/>. */
#include <errno.h>
#include <stdarg.h>
#include <sys/sem.h>
#include <ipc_priv.h>
#include <sysdep.h>
#include <sys/syscall.h>
/* Define a `union semun' suitable for Linux here. */
union semun
{
int val; /* value for SETVAL */
struct semid_ds *buf; /* buffer for IPC_STAT & IPC_SET */
unsigned short int *array; /* array for GETALL & SETALL */
struct seminfo *__buf; /* buffer for IPC_INFO */
};
int
__new_semctl (int semid, int semnum, int cmd, ...)
{
union semun arg;
va_list ap;
va_start (ap, cmd);
/* Get the argument. */
arg = va_arg (ap, union semun);
va_end (ap);
return INLINE_SYSCALL (semctl, 4, semid, semnum, cmd | __IPC_64,
arg.array);
}
#include <shlib-compat.h>
versioned_symbol (libc, __new_semctl, semctl, GLIBC_2_2);
|
