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