1 /* $NetBSD: linux_sem.h,v 1.4 1998/10/04 00:02:41 fvdl Exp $ */ 2 3 /*- 4 * Copyright (c) 1995, 1998 The NetBSD Foundation, Inc. 5 * All rights reserved. 6 * 7 * This code is derived from software contributed to The NetBSD Foundation 8 * by Frank van der Linden and Eric Haszlakiewicz. 9 * 10 * Redistribution and use in source and binary forms, with or without 11 * modification, are permitted provided that the following conditions 12 * are met: 13 * 1. Redistributions of source code must retain the above copyright 14 * notice, this list of conditions and the following disclaimer. 15 * 2. Redistributions in binary form must reproduce the above copyright 16 * notice, this list of conditions and the following disclaimer in the 17 * documentation and/or other materials provided with the distribution. 18 * 3. All advertising materials mentioning features or use of this software 19 * must display the following acknowledgement: 20 * This product includes software developed by the NetBSD 21 * Foundation, Inc. and its contributors. 22 * 4. Neither the name of The NetBSD Foundation nor the names of its 23 * contributors may be used to endorse or promote products derived 24 * from this software without specific prior written permission. 25 * 26 * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS 27 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED 28 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 29 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS 30 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 31 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 32 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 33 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 34 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 35 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 36 * POSSIBILITY OF SUCH DAMAGE. 37 */ 38 39 #ifndef _LINUX_SEM_H 40 #define _LINUX_SEM_H 41 42 #include <sys/sem.h> 43 44 /* 45 * Operations for semctl(2), in addition to IPC_STAT and IPC_SET 46 */ 47 #define LINUX_GETPID 11 48 #define LINUX_GETVAL 12 49 #define LINUX_GETALL 13 50 #define LINUX_GETNCNT 14 51 #define LINUX_GETZCNT 15 52 #define LINUX_SETVAL 16 53 #define LINUX_SETALL 17 54 55 /* 56 * Linux semid_ds structure. Internally used pointer fields are not 57 * important to us and have been changed to void * 58 */ 59 60 struct linux_semid_ds { 61 struct linux_ipc_perm l_sem_perm; 62 linux_time_t l_sem_otime; 63 linux_time_t l_sem_ctime; 64 void *l_sem_base; 65 void *l_eventn; 66 void *l_eventz; 67 void *l_undo; 68 ushort l_sem_nsems; 69 }; 70 71 union linux_semun { 72 int l_val; 73 struct linux_semid_ds *l_buf; 74 ushort *l_array; 75 void *l___buf; /* For unsupported IPC_INFO */ 76 void *l___pad; 77 }; 78 79 /* Pretend the sys_semctl syscall is defined */ 80 struct linux_sys_semctl_args { 81 syscallarg(int) semid; 82 syscallarg(int) semnum; 83 syscallarg(int) cmd; 84 syscallarg(union linux_semun) arg; 85 }; 86 87 88 #ifdef SYSVSEM 89 #ifdef _KERNEL 90 __BEGIN_DECLS 91 int linux_sys_semctl __P((struct proc *, void *, register_t *)); 92 void bsd_to_linux_semid_ds __P((struct semid_ds *, 93 struct linux_semid_ds *)); 94 void linux_to_bsd_semid_ds __P((struct linux_semid_ds *, 95 struct semid_ds *)); 96 __END_DECLS 97 #endif /* !_KERNEL */ 98 #endif /* !SYSVSEM */ 99 100 #endif /* !_LINUX_SEM_H */ 101