linux_sem.h revision 1.3
1 /* $NetBSD: linux_sem.h,v 1.3 1998/10/03 20:17:43 christos Exp $ */ 2 3 /*- 4 * Copyright (c) 1998 The NetBSD Foundation, Inc. 5 * All rights reserved. 6 * 7 * This code is derived from software contributed to The NetBSD Foundation 8 * by 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 /* 40 * Copyright (c) 1995 Frank van der Linden 41 * All rights reserved. 42 * 43 * Redistribution and use in source and binary forms, with or without 44 * modification, are permitted provided that the following conditions 45 * are met: 46 * 1. Redistributions of source code must retain the above copyright 47 * notice, this list of conditions and the following disclaimer. 48 * 2. Redistributions in binary form must reproduce the above copyright 49 * notice, this list of conditions and the following disclaimer in the 50 * documentation and/or other materials provided with the distribution. 51 * 3. All advertising materials mentioning features or use of this software 52 * must display the following acknowledgement: 53 * This product includes software developed for the NetBSD Project 54 * by Frank van der Linden 55 * 4. The name of the author may not be used to endorse or promote products 56 * derived from this software without specific prior written permission 57 * 58 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR 59 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES 60 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. 61 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, 62 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT 63 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 64 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 65 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 66 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF 67 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 68 */ 69 70 #ifndef _LINUX_SEM_H 71 #define _LINUX_SEM_H 72 73 #include <sys/sem.h> 74 75 /* 76 * Operations for semctl(2), in addition to IPC_STAT and IPC_SET 77 */ 78 #define LINUX_GETPID 11 79 #define LINUX_GETVAL 12 80 #define LINUX_GETALL 13 81 #define LINUX_GETNCNT 14 82 #define LINUX_GETZCNT 15 83 #define LINUX_SETVAL 16 84 #define LINUX_SETALL 17 85 86 /* 87 * Linux semid_ds structure. Internally used pointer fields are not 88 * important to us and have been changed to void * 89 */ 90 91 struct linux_semid_ds { 92 struct linux_ipc_perm l_sem_perm; 93 linux_time_t l_sem_otime; 94 linux_time_t l_sem_ctime; 95 void *l_sem_base; 96 void *l_eventn; 97 void *l_eventz; 98 void *l_undo; 99 ushort l_sem_nsems; 100 }; 101 102 union linux_semun { 103 int l_val; 104 struct linux_semid_ds *l_buf; 105 ushort *l_array; 106 void *l___buf; /* For unsupported IPC_INFO */ 107 void *l___pad; 108 }; 109 110 /* Pretend the sys_semctl syscall is defined */ 111 struct linux_sys_semctl_args { 112 syscallarg(int) semid; 113 syscallarg(int) semnum; 114 syscallarg(int) cmd; 115 syscallarg(union linux_semun) arg; 116 }; 117 118 119 #ifdef SYSVSEM 120 #ifdef _KERNEL 121 __BEGIN_DECLS 122 int linux_sys_semctl __P((struct proc *, void *, register_t *)); 123 void bsd_to_linux_semid_ds __P((struct semid_ds *, 124 struct linux_semid_ds *)); 125 void linux_to_bsd_semid_ds __P((struct linux_semid_ds *, 126 struct semid_ds *)); 127 __END_DECLS 128 #endif /* !_KERNEL */ 129 #endif /* !SYSVSEM */ 130 131 #endif /* !_LINUX_SEM_H */ 132
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