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linux_ipc.h revision 1.5.20.1 
      1 /*	$NetBSD: linux_ipc.h,v 1.5.20.1 2001/06/21 19:59:52 nathanw Exp $	*/
      2 
      3 /*-
      4  * Copyright (c) 1995, 1998 The NetBSD Foundation, Inc.
      5  * All rights reserved.
      6  *
      7  * This code is derived from software contributed to The NetBSD Foundation
      8  * by Frank van der Linden and Eric Haszlakiewicz.
      9  *
     10  * Redistribution and use in source and binary forms, with or without
     11  * modification, are permitted provided that the following conditions
     12  * are met:
     13  * 1. Redistributions of source code must retain the above copyright
     14  *    notice, this list of conditions and the following disclaimer.
     15  * 2. Redistributions in binary form must reproduce the above copyright
     16  *    notice, this list of conditions and the following disclaimer in the
     17  *    documentation and/or other materials provided with the distribution.
     18  * 3. All advertising materials mentioning features or use of this software
     19  *    must display the following acknowledgement:
     20  *	This product includes software developed by the NetBSD
     21  *	Foundation, Inc. and its contributors.
     22  * 4. Neither the name of The NetBSD Foundation nor the names of its
     23  *    contributors may be used to endorse or promote products derived
     24  *    from this software without specific prior written permission.
     25  *
     26  * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
     27  * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
     28  * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
     29  * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
     30  * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
     31  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
     32  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
     33  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
     34  * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
     35  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
     36  * POSSIBILITY OF SUCH DAMAGE.
     37  */
     38 
     39 #ifndef _LINUX_IPC_H
     40 #define _LINUX_IPC_H
     41 
     42 #if defined(_KERNEL_OPT)
     43 #include "opt_sysv.h"
     44 #endif
     45 
     46 #include <sys/ipc.h>
     47 
     48 /*
     49  * Structs and values to handle the SYSV ipc/shm/msg calls implemented
     50  * in Linux. Most values match the NetBSD values (as they are both derived
     51  * from SysV values). Values that are the same may not be defined here.
     52  */
     53 
     54 typedef int linux_key_t;
     55 
     56 /*
     57  * The only thing different about the Linux ipc_perm structure is the
     58  * order of the fields.
     59  */
     60 struct linux_ipc_perm {
     61 	linux_key_t	l_key;
     62 	ushort		l_uid;
     63 	ushort		l_gid;
     64 	ushort		l_cuid;
     65 	ushort		l_cgid;
     66 	ushort		l_mode;
     67 	ushort		l_seq;
     68 };
     69 
     70 #define LINUX_IPC_RMID	0
     71 #define LINUX_IPC_SET	1
     72 #define LINUX_IPC_STAT	2
     73 #define LINUX_IPC_INFO	3
     74 
     75 #if defined (SYSVSEM) || defined(SYSVSHM) || defined(SYSVMSG)
     76 #ifdef _KERNEL
     77 __BEGIN_DECLS
     78 void linux_to_bsd_ipc_perm __P((struct linux_ipc_perm *,
     79 				       struct ipc_perm *));
     80 void bsd_to_linux_ipc_perm __P((struct ipc_perm *,
     81 				       struct linux_ipc_perm *));
     82 __END_DECLS
     83 #endif	/* !_KERNEL */
     84 #endif	/* !SYSVSEM, !SYSVSHM, !SYSVMSG */
     85 
     86 #endif /* !_LINUX_IPC_H */
     87