1 /* Copyright (C) 1995-2022 Free Software Foundation, Inc.
2    This file is part of the GNU C Library.
3 
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.
8 
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.
13 
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    <https://www.gnu.org/licenses/>.  */
17 
18 #include <sys/shm.h>
19 #include <errno.h>
20 
21 /* Attach the shared memory segment associated with SHMID to the data
22    segment of the calling process.  SHMADDR and SHMFLG determine how
23    and where the segment is attached.  */
24 
25 void *
shmat(int shmid,const void * shmaddr,int shmflg)26 shmat (int shmid, const void *shmaddr, int shmflg)
27 {
28   __set_errno (ENOSYS);
29   return (void *) -1;
30 }
31 
32 stub_warning (shmat)
33