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/svr4/svr4_ipc.h

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    1 /*      $NetBSD: svr4_ipc.h,v 1.4 2005/12/11 12:20:26 christos Exp $    */
    2 
    3 /*-
    4  * Copyright (c) 1995 The NetBSD Foundation, Inc.
    5  * All rights reserved.
    6  *
    7  * This code is derived from software contributed to The NetBSD Foundation
    8  * by Christos Zoulas.
    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 _SVR4_IPC_H_
   40 #define _SVR4_IPC_H_
   41 
   42 /*
   43  * General IPC
   44  */
   45 #define SVR4_IPC_RMID           10
   46 #define SVR4_IPC_SET            11
   47 #define SVR4_IPC_STAT           12
   48 
   49 struct svr4_ipc_perm {
   50         svr4_uid_t      uid;
   51         svr4_gid_t      gid;
   52         svr4_uid_t      cuid;
   53         svr4_gid_t      cgid;
   54         svr4_mode_t     mode;
   55         u_long          seq;
   56         svr4_key_t      key;
   57         long            pad[4];
   58 };
   59 
   60 /*
   61  * Message queues
   62  */
   63 #define SVR4_msgget     0
   64 #define SVR4_msgctl     1
   65 #define SVR4_msgrcv     2
   66 #define SVR4_msgsnd     3
   67 
   68 struct svr4_msg {
   69         struct svr4_msg *msg_next;
   70         long            msg_type;
   71         u_short         msg_ts;
   72         short           msg_spot;
   73 };
   74 
   75 struct svr4_msqid_ds {
   76         struct svr4_ipc_perm msg_perm;
   77         struct svr4_msg *msg_first;
   78         struct svr4_msg *msg_last;
   79         u_long          msg_cbytes;
   80         u_long          msg_qnum;
   81         u_long          msg_qbytes;
   82         svr4_pid_t      msg_lspid;
   83         svr4_pid_t      msg_lrpid;
   84         svr4_time_t     msg_stime;
   85         long            msg_pad1;
   86         svr4_time_t     msg_rtime;
   87         long            msg_pad2;
   88         svr4_time_t     msg_ctime;
   89         long            msg_pad3;
   90         short           msg_cv;
   91         short           msg_qnum_cv;
   92         long            msg_pad4[3];
   93 };
   94 
   95 struct svr4_msgbuf {
   96         long    mtype;          /* message type */
   97         char    mtext[1];       /* message text */
   98 };
   99 
  100 struct svr4_msginfo {
  101         int     msgmap;
  102         int     msgmax;
  103         int     msgmnb;
  104         int     msgmni;
  105         int     msgssz;
  106         int     msgtql;
  107         u_short msgseg;
  108 };
  109 
  110 /*
  111  * Shared memory
  112  */
  113 #define SVR4_shmat      0
  114 #define SVR4_shmctl     1
  115 #define SVR4_shmdt      2
  116 #define SVR4_shmget     3
  117 
  118 /* shmctl() operations */
  119 #define SVR4_SHM_LOCK            3
  120 #define SVR4_SHM_UNLOCK          4
  121 
  122 struct svr4_shmid_ds {
  123         struct svr4_ipc_perm    shm_perm;
  124         int             shm_segsz;
  125         void            *shm_amp;
  126         u_short         shm_lkcnt;
  127         svr4_pid_t      shm_lpid;
  128         svr4_pid_t      shm_cpid;
  129         u_long          shm_nattch;
  130         u_long          shm_cnattch;
  131         svr4_time_t     shm_atime;
  132         long            shm_pad1;
  133         svr4_time_t     shm_dtime;
  134         long            shm_pad2;
  135         svr4_time_t     shm_ctime;
  136         long            shm_pad3;
  137         long            shm_pad4[4];
  138 };
  139 
  140 /*
  141  * Semaphores
  142  */
  143 #define SVR4_semctl     0
  144 #define SVR4_semget     1
  145 #define SVR4_semop      2
  146 
  147 /* semctl() operations */
  148 #define SVR4_SEM_GETNCNT         3
  149 #define SVR4_SEM_GETPID          4
  150 #define SVR4_SEM_GETVAL          5
  151 #define SVR4_SEM_GETALL          6
  152 #define SVR4_SEM_GETZCNT         7
  153 #define SVR4_SEM_SETVAL          8
  154 #define SVR4_SEM_SETALL          9
  155 
  156 struct svr4_sem {
  157         u_short         semval;
  158         svr4_pid_t      sempid;
  159         u_short         semncnt;
  160         u_short         semzcnt;
  161         u_short         semncnt_cv;
  162         u_short         semzcnt_cv;
  163 };
  164 
  165 struct svr4_semid_ds {
  166         struct svr4_ipc_perm sem_perm;
  167         struct svr4_sem *sem_base;
  168         u_short         sem_nsems;
  169         svr4_time_t     sem_otime;
  170         long            sem_pad1;
  171         svr4_time_t     sem_ctime;
  172         long            sem_pad2;
  173         long            sem_pad3[4];
  174 };
  175 
  176 struct svr4_sembuf {
  177         u_short         sem_num;
  178         short           sem_op;
  179         short           sem_flg;
  180 };
  181 
  182 #endif  /* _SVR4_IPC_H */

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