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linux_ipc.h revision 1.8.14.1 
      1 /*	$NetBSD: linux_ipc.h,v 1.8.14.1 2008/05/18 12:33:19 yamt 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  *
     19  * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
     20  * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
     21  * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
     22  * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
     23  * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
     24  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
     25  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
     26  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
     27  * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
     28  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
     29  * POSSIBILITY OF SUCH DAMAGE.
     30  */
     31 
     32 #ifndef _LINUX_IPC_H
     33 #define _LINUX_IPC_H
     34 
     35 #if defined(_KERNEL_OPT)
     36 #include "opt_sysv.h"
     37 #endif
     38 
     39 #include <sys/ipc.h>
     40 
     41 /*
     42  * Structs and values to handle the SYSV ipc/shm/msg calls implemented
     43  * in Linux. Most values match the NetBSD values (as they are both derived
     44  * from SysV values). Values that are the same may not be defined here.
     45  */
     46 
     47 typedef int linux_key_t;
     48 
     49 /*
     50  * The only thing different about the Linux ipc_perm structure is the
     51  * order of the fields.
     52  */
     53 struct linux_ipc_perm {
     54 	linux_key_t	l_key;
     55 	ushort		l_uid;
     56 	ushort		l_gid;
     57 	ushort		l_cuid;
     58 	ushort		l_cgid;
     59 	ushort		l_mode;
     60 	ushort		l_seq;
     61 };
     62 
     63 struct linux_ipc64_perm {
     64 	linux_key_t	l_key;
     65 	uint		l_uid;
     66 	uint		l_gid;
     67 	uint		l_cuid;
     68 	uint		l_cgid;
     69 	ushort		l_mode;
     70 	ushort		l___pad1;
     71 	ushort		l_seq;
     72 	ushort		l___pad2;
     73 	ulong		l___unused1;
     74 	ulong		l___unused2;
     75 };
     76 
     77 #define LINUX_IPC_RMID	0
     78 #define LINUX_IPC_SET	1
     79 #define LINUX_IPC_STAT	2
     80 #define LINUX_IPC_INFO	3
     81 
     82 #define LINUX_IPC_64	0x100
     83 
     84 #if defined (SYSVSEM) || defined(SYSVSHM) || defined(SYSVMSG)
     85 #ifdef _KERNEL
     86 __BEGIN_DECLS
     87 void linux_to_bsd_ipc_perm(struct linux_ipc_perm *,
     88 				       struct ipc_perm *);
     89 void linux_to_bsd_ipc64_perm(struct linux_ipc64_perm *,
     90 				       struct ipc_perm *);
     91 void bsd_to_linux_ipc_perm(struct ipc_perm *,
     92 				       struct linux_ipc_perm *);
     93 void bsd_to_linux_ipc64_perm(struct ipc_perm *,
     94 				       struct linux_ipc64_perm *);
     95 __END_DECLS
     96 #endif	/* !_KERNEL */
     97 #endif	/* !SYSVSEM, !SYSVSHM, !SYSVMSG */
     98 
     99 #endif /* !_LINUX_IPC_H */
    100