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linux_shm.h revision 1.1 
      1 /*	$NetBSD: linux_shm.h,v 1.1 1995/02/28 23:25:57 fvdl Exp $	*/
      2 
      3 /*
      4  * Copyright (c) 1995 Frank van der Linden
      5  * All rights reserved.
      6  *
      7  * Redistribution and use in source and binary forms, with or without
      8  * modification, are permitted provided that the following conditions
      9  * are met:
     10  * 1. Redistributions of source code must retain the above copyright
     11  *    notice, this list of conditions and the following disclaimer.
     12  * 2. Redistributions in binary form must reproduce the above copyright
     13  *    notice, this list of conditions and the following disclaimer in the
     14  *    documentation and/or other materials provided with the distribution.
     15  * 3. All advertising materials mentioning features or use of this software
     16  *    must display the following acknowledgement:
     17  *      This product includes software developed for the NetBSD Project
     18  *      by Frank van der Linden
     19  * 4. The name of the author may not be used to endorse or promote products
     20  *    derived from this software without specific prior written permission
     21  *
     22  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
     23  * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
     24  * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
     25  * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
     26  * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
     27  * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
     28  * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
     29  * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
     30  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
     31  * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
     32  */
     33 
     34 #ifndef _LINUX_SHM_H
     35 #define _LINUX_SHM_H
     36 
     37 /*
     38  * shm segment control structure
     39  */
     40 struct linux_shmid_ds {
     41 	struct linux_ipc_perm	l_shm_perm;
     42 	int			l_shm_segsz;
     43 	linux_time_t		l_shm_atime;
     44 	linux_time_t		l_shm_dtime;
     45 	linux_time_t		l_shm_ctime;
     46 	ushort			l_shm_cpid;
     47 	ushort			l_shm_lpid;
     48 	short			l_shm_nattch;
     49 	ushort			l_private1;
     50 	void			*l_private2;
     51 	void			*l_private3;
     52 };
     53 
     54 #define LINUX_SHM_RDONLY	0x1000
     55 #define LINUX_SHM_RND		0x2000
     56 #define LINUX_SHM_REMAP		0x4000
     57 
     58 #define LINUX_SHM_LOCK		11
     59 #define LINUX_SHM_UNLOCK	12
     60 #define LINUX_SHM_STAT		13
     61 #define LINUX_SHM_INFO		14
     62 
     63 #endif /* _LINUX_SHM_H */
     64