1 /* $OpenBSD: linux_sem.h,v 1.2 1996/04/17 05:23:57 mickey Exp $ */ 2 /* $NetBSD: linux_sem.h,v 1.1 1995/08/15 21:14:35 fvdl Exp $ */ 3 4 /* 5 * Copyright (c) 1995 Frank van der Linden 6 * All rights reserved. 7 * 8 * Redistribution and use in source and binary forms, with or without 9 * modification, are permitted provided that the following conditions 10 * are met: 11 * 1. Redistributions of source code must retain the above copyright 12 * notice, this list of conditions and the following disclaimer. 13 * 2. Redistributions in binary form must reproduce the above copyright 14 * notice, this list of conditions and the following disclaimer in the 15 * documentation and/or other materials provided with the distribution. 16 * 3. All advertising materials mentioning features or use of this software 17 * must display the following acknowledgement: 18 * This product includes software developed for the NetBSD Project 19 * by Frank van der Linden 20 * 4. The name of the author may not be used to endorse or promote products 21 * derived from this software without specific prior written permission 22 * 23 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR 24 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES 25 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. 26 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, 27 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT 28 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 29 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 30 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 31 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF 32 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 33 */ 34 35 #ifndef _LINUX_SEM_H 36 #define _LINUX_SEM_H 37 38 /* 39 * Operations for semctl(2), in addition to IPC_STAT and IPC_SET 40 */ 41 #define LINUX_GETPID 11 42 #define LINUX_GETVAL 12 43 #define LINUX_GETALL 13 44 #define LINUX_GETNCNT 14 45 #define LINUX_GETZCNT 15 46 #define LINUX_SETVAL 16 47 #define LINUX_SETALL 17 48 49 /* 50 * Linux semid_ds structure. Internally used pointer fields are not 51 * important to us and have been changed to void * 52 */ 53 54 struct linux_semid_ds { 55 struct linux_ipc_perm l_sem_perm; 56 linux_time_t l_sem_otime; 57 linux_time_t l_sem_ctime; 58 void *l_sem_base; 59 void *l_eventn; 60 void *l_eventz; 61 void *l_undo; 62 ushort l_sem_nsems; 63 }; 64 65 union linux_semun { 66 int l_val; 67 struct linux_semid_ds *l_buf; 68 ushort *l_array; 69 void *l___buf; /* For unsupported IPC_INFO */ 70 void *l___pad; 71 }; 72 73 #endif /* _LINUX_SEM_H */ 74