The Design and Implementation of the FreeBSD Operating System, Second Edition
Now available: The Design and Implementation of the FreeBSD Operating System (Second Edition)


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FreeBSD/Linux Kernel Cross Reference
sys/compat/linux/common/linux_ipc.h

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    1 /*      $NetBSD: linux_ipc.h,v 1.6 2001/05/30 11:37:27 mrg 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 */

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