sys/compat/linux/common/linux_ipc.h

   1 /*      $NetBSD: linux_ipc.h,v 1.8 2007/12/04 18:40:15 dsl 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 */