Fix unsafe compiler optimization
[glibc.git] / sysvipc / shmctl.c
blob9ffec7dc87fa1a4817a600dd0151d5f293184083
1 /* Copyright (C) 1995, 1996, 1997 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/>. */
19 #include <sys/shm.h>
20 #include <errno.h>
22 /* Provide operations to control over shared memory segments. */
24 int
25 shmctl (shmid, cmd, buf)
26 int shmid;
27 int cmd;
28 struct shmid_ds *buf;
30 __set_errno (ENOSYS);
31 return -1;
34 stub_warning (shmctl)