linux_msg.h

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    1 /*      $NetBSD: linux_msg.h,v 1.6 2003/01/18 08:04:37 thorpej 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_MSG_H
   40 #define _LINUX_MSG_H
   41 
   42 #include <sys/msg.h>
   43 
   44 /*
   45  * msq_id_ds structure. Mostly the same fields, except for some internal
   46  * ones.
   47  */
   48 struct linux_msqid_ds {
   49         struct linux_ipc_perm   l_msg_perm;
   50         void                    *l_msg_first;
   51         void                    *l_msg_last;
   52         linux_time_t            l_msg_stime;
   53         linux_time_t            l_msg_rtime;
   54         linux_time_t            l_msg_ctime;
   55         void                    *l_wwait;       /* Linux internal */
   56         void                    *l_rwait;       /* Linux internal */
   57         ushort                  l_msg_cbytes;
   58         ushort                  l_msg_qnum;
   59         ushort                  l_msg_qbytes;
   60         ushort                  l_msg_lspid;
   61         ushort                  l_msg_lrpid;
   62 };
   63 
   64 #define LINUX_MSG_NOERROR       0x1000
   65 #define LINUX_MSG_EXCEPT        0x2000
   66 
   67 /*
   68  * The notorious anonymous message structure.
   69  */
   70 struct linux_mymsg {
   71         long    l_mtype;
   72         char    l_mtext[1];
   73 };
   74 
   75 /*
   76  * This kludge is used for the 6th argument to the msgrcv system
   77  * call, to get around the maximum of 5 arguments to a syscall in Linux.
   78  */
   79 struct linux_msgrcv_msgarg {
   80         struct linux_mymsg *msg;
   81         int type;
   82 };
   83 /*
   84  * For msgctl calls.
   85  */
   86 struct linux_msginfo {
   87         int     l_msgpool;
   88         int     l_msgmap;
   89         int     l_msgmax;
   90         int     l_msgmnb;
   91         int     l_msgmni;
   92         int     l_msgssz;
   93         int     l_msgtql;
   94         ushort  l_msgseg;
   95 };
   96 
   97 #define LINUX_MSG_STAT  11
   98 #define LINUX_MSG_INFO  12
   99 
  100 /* Pretend the sys_msgctl syscall is defined */
  101 struct linux_sys_msgctl_args {
  102         syscallarg(int) msqid;
  103         syscallarg(int) cmd;
  104         syscallarg(struct linux_msqid_ds *) buf;
  105 };
  106 
  107 
  108 #ifdef SYSVMSG
  109 #ifdef _KERNEL
  110 __BEGIN_DECLS
  111 int linux_sys_msgctl __P((struct lwp *, void *, register_t *));
  112 void linux_to_bsd_msqid_ds __P((struct linux_msqid_ds *,
  113                                        struct msqid_ds *));
  114 void bsd_to_linux_msqid_ds __P((struct msqid_ds *,
  115                                        struct linux_msqid_ds *));
  116 __END_DECLS
  117 #endif  /* !_KERNEL */
  118 #endif  /* !SYSVMSG */
  119 
  120 #endif /* !_LINUX_MSG_H */

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

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