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      1 /*
      2  *
      3  *   Copyright (c) International Business Machines  Corp., 2001
      4  *
      5  *   This program is free software;  you can redistribute it and/or modify
      6  *   it under the terms of the GNU General Public License as published by
      7  *   the Free Software Foundation; either version 2 of the License, or
      8  *   (at your option) any later version.
      9  *
     10  *   This program 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
     13  *   the GNU General Public License for more details.
     14  *
     15  *   You should have received a copy of the GNU General Public License
     16  *   along with this program;  if not, write to the Free Software
     17  *   Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
     18  */
     19 
     20 /*
     21  * ipcshm.h - common definitions for the IPC shared memory tests
     22  */
     23 
     24 #ifndef __IPCSHM_H
     25 #define __IPCSHM_H
     26 
     27 #include <errno.h>
     28 #include <wait.h>
     29 #include <sys/ipc.h>
     30 #include <sys/shm.h>
     31 
     32 #include "test.h"
     33 
     34 void cleanup(void);
     35 void setup(void);
     36 
     37 #define SHM_RD	0400
     38 #define SHM_WR	0200
     39 #define SHM_RW	SHM_RD | SHM_WR
     40 
     41 #define SHM_SIZE	2048	/* a resonable size for a memory segment */
     42 #define INT_SIZE	4	/* instead of sizeof(int) */
     43 
     44 #define MODE_MASK	0x01FF	/* to get the lower nine permission bits */
     45 				/* from shmid_ds.ipc_perm.mode		 */
     46 
     47 key_t shmkey;			/* an IPC key generated by ftok() */
     48 
     49 void rm_shm(int shm_id);
     50 
     51 int getipckey();
     52 int getuserid(char*);
     53 
     54 #endif /* ipcshm.h */
     55