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/* $OpenBSD: svr4_ipc.h,v 1.2 1996/08/02 20:35:40 niklas Exp $ */
/* $NetBSD: svr4_ipc.h,v 1.1 1995/10/14 20:24:32 christos Exp $ */
/*
* Copyright (c) 1995 Christos Zoulas. 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 Christos Zoulas.
* 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.
*/
#ifndef _SVR4_IPC_H_
#define _SVR4_IPC_H_
/*
* General IPC
*/
#define SVR4_IPC_RMID 10
#define SVR4_IPC_SET 11
#define SVR4_IPC_STAT 12
struct svr4_ipc_perm {
svr4_uid_t uid;
svr4_gid_t gid;
svr4_uid_t cuid;
svr4_gid_t cgid;
svr4_mode_t mode;
u_long seq;
svr4_key_t key;
long pad[4];
};
/*
* Message queues
*/
#define SVR4_msgget 0
#define SVR4_msgctl 1
#define SVR4_msgrcv 2
#define SVR4_msgsnd 3
struct svr4_msg {
struct svr4_msg *msg_next;
long msg_type;
u_short msg_ts;
short msg_spot;
};
struct svr4_msqid_ds {
struct svr4_ipc_perm msg_perm;
struct svr4_msg *msg_first;
struct svr4_msg *msg_last;
u_long msg_cbytes;
u_long msg_qnum;
u_long msg_qbytes;
svr4_pid_t msg_lspid;
svr4_pid_t msg_lrpid;
svr4_time_t msg_stime;
long msg_pad1;
svr4_time_t msg_rtime;
long msg_pad2;
svr4_time_t msg_ctime;
long msg_pad3;
short msg_cv;
short msg_qnum_cv;
long msg_pad4[3];
};
struct svr4_msgbuf {
long mtype; /* message type */
char mtext[1]; /* message text */
};
struct svr4_msginfo {
int msgmap;
int msgmax;
int msgmnb;
int msgmni;
int msgssz;
int msgtql;
u_short msgseg;
};
/*
* Shared memory
*/
#define SVR4_shmat 0
#define SVR4_shmctl 1
#define SVR4_shmdt 2
#define SVR4_shmget 3
/* shmctl() operations */
#define SVR4_SHM_LOCK 3
#define SVR4_SHM_UNLOCK 4
struct svr4_shmid_ds {
struct svr4_ipc_perm shm_perm;
int shm_segsz;
void *shm_amp;
u_short shm_lkcnt;
svr4_pid_t shm_lpid;
svr4_pid_t shm_cpid;
u_long shm_nattch;
u_long shm_cnattch;
svr4_time_t shm_atime;
long shm_pad1;
svr4_time_t shm_dtime;
long shm_pad2;
svr4_time_t shm_ctime;
long shm_pad3;
long shm_pad4[4];
};
/*
* Semaphores
*/
#define SVR4_semctl 0
#define SVR4_semget 1
#define SVR4_semop 2
/* semctl() operations */
#define SVR4_SEM_GETNCNT 3
#define SVR4_SEM_GETPID 4
#define SVR4_SEM_GETVAL 5
#define SVR4_SEM_GETALL 6
#define SVR4_SEM_GETZCNT 7
#define SVR4_SEM_SETVAL 8
#define SVR4_SEM_SETALL 9
struct svr4_sem {
u_short semval;
svr4_pid_t sempid;
u_short semncnt;
u_short semzcnt;
u_short semncnt_cv;
u_short semzcnt_cv;
};
struct svr4_semid_ds {
struct svr4_ipc_perm sem_perm;
struct svr4_sem *sem_base;
u_short sem_nsems;
svr4_time_t sem_otime;
long sem_pad1;
svr4_time_t sem_ctime;
long sem_pad2;
long sem_pad3[4];
};
struct svr4_sembuf {
u_short sem_num;
short sem_op;
short sem_flg;
};
#endif /* _SVR4_IPC_H */
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