ibcs2_ipc.h revision 256281
1/*- 2 * Copyright (c) 1995 Steven Wallace 3 * All rights reserved. 4 * 5 * Redistribution and use in source and binary forms, with or without 6 * modification, are permitted provided that the following conditions 7 * are met: 8 * 1. Redistributions of source code must retain the above copyright 9 * notice, this list of conditions and the following disclaimer. 10 * 2. Redistributions in binary form must reproduce the above copyright 11 * notice, this list of conditions and the following disclaimer in the 12 * documentation and/or other materials provided with the distribution. 13 * 3. All advertising materials mentioning features or use of this software 14 * must display the following acknowledgement: 15 * This product includes software developed by Steven Wallace. 16 * 4. The name of the author may not be used to endorse or promote products 17 * derived from this software without specific prior written permission. 18 * 19 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR 20 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES 21 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. 22 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, 23 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT 24 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 25 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 26 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 27 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF 28 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 29 * 30 * $FreeBSD: stable/10/sys/i386/ibcs2/ibcs2_ipc.h 160188 2006-07-08 19:52:49Z jhb $ 31 */ 32 33 34struct ibcs2_ipc_perm { 35 u_short uid; /* user id */ 36 u_short gid; /* group id */ 37 u_short cuid; /* creator user id */ 38 u_short cgid; /* creator group id */ 39 u_short mode; /* r/w permission */ 40 u_short seq; /* sequence # (to generate unique msg/sem/shm id) */ 41 ibcs2_key_t key; /* user specified msg/sem/shm key */ 42}; 43 44struct ibcs2_msqid_ds { 45 struct ibcs2_ipc_perm msg_perm; 46 struct msg *msg_first; 47 struct msg *msg_last; 48 u_short msg_cbytes; 49 u_short msg_qnum; 50 u_short msg_qbytes; 51 u_short msg_lspid; 52 u_short msg_lrpid; 53 ibcs2_time_t msg_stime; 54 ibcs2_time_t msg_rtime; 55 ibcs2_time_t msg_ctime; 56}; 57 58struct ibcs2_semid_ds { 59 struct ibcs2_ipc_perm sem_perm; 60 struct ibcs2_sem *sem_base; 61 u_short sem_nsems; 62 ibcs2_time_t sem_otime; 63 ibcs2_time_t sem_ctime; 64}; 65 66struct ibcs2_sem { 67 u_short semval; 68 ibcs2_pid_t sempid; 69 u_short semncnt; 70 u_short semzcnt; 71}; 72 73struct ibcs2_shmid_ds { 74 struct ibcs2_ipc_perm shm_perm; 75 int shm_segsz; 76 int pad1; 77 char pad2[4]; 78 u_short shm_lpid; 79 u_short shm_cpid; 80 u_short shm_nattch; 81 u_short shm_cnattch; 82 ibcs2_time_t shm_atime; 83 ibcs2_time_t shm_dtime; 84 ibcs2_time_t shm_ctime; 85}; 86