freebsd-dev/sys/i386/ibcs2/ibcs2_ipc.h

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2005-01-06 23:22:04 +00:00
/*-
* Copyright (c) 1995 Steven Wallace
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* 3. All advertising materials mentioning features or use of this software
* must display the following acknowledgement:
* This product includes software developed by Steven Wallace.
* 4. The name of the author may not be used to endorse or promote products
* derived from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*
1999-08-28 01:08:13 +00:00
* $FreeBSD$
*/
struct ibcs2_ipc_perm {
u_short uid; /* user id */
u_short gid; /* group id */
u_short cuid; /* creator user id */
u_short cgid; /* creator group id */
u_short mode; /* r/w permission */
u_short seq; /* sequence # (to generate unique msg/sem/shm id) */
key_t key; /* user specified msg/sem/shm key */
};
struct ibcs2_msqid_ds {
struct ibcs2_ipc_perm msg_perm;
struct msg *msg_first;
struct msg *msg_last;
u_short msg_cbytes;
u_short msg_qnum;
u_short msg_qbytes;
u_short msg_lspid;
u_short msg_lrpid;
ibcs2_time_t msg_stime;
ibcs2_time_t msg_rtime;
ibcs2_time_t msg_ctime;
};
struct ibcs2_semid_ds {
struct ibcs2_ipc_perm sem_perm;
struct ibcs2_sem *sem_base;
u_short sem_nsems;
ibcs2_time_t sem_otime;
ibcs2_time_t sem_ctime;
};
struct ibcs2_sem {
u_short semval;
ibcs2_pid_t sempid;
u_short semncnt;
u_short semzcnt;
};
struct ibcs2_shmid_ds {
struct ibcs2_ipc_perm shm_perm;
int shm_segsz;
int pad1;
char pad2[4];
u_short shm_lpid;
u_short shm_cpid;
u_short shm_nattch;
u_short shm_cnattch;
ibcs2_time_t shm_atime;
ibcs2_time_t shm_dtime;
ibcs2_time_t shm_ctime;
};