1 /* $NetBSD: ipc.h,v 1.3 2009/01/19 19:39:41 christos Exp $ */ 2 3 /* 4 * Copyright (c) 1990, 1993 5 * The Regents of the University of California. All rights reserved. 6 * (c) UNIX System Laboratories, Inc. 7 * All or some portions of this file are derived from material licensed 8 * to the University of California by American Telephone and Telegraph 9 * Co. or Unix System Laboratories, Inc. and are reproduced herein with 10 * the permission of UNIX System Laboratories, Inc. 11 * 12 * This code is derived from software contributed to Berkeley by 13 * the Systems Programming Group of the University of Utah Computer 14 * Science Department. 15 * 16 * Redistribution and use in source and binary forms, with or without 17 * modification, are permitted provided that the following conditions 18 * are met: 19 * 1. Redistributions of source code must retain the above copyright 20 * notice, this list of conditions and the following disclaimer. 21 * 2. Redistributions in binary form must reproduce the above copyright 22 * notice, this list of conditions and the following disclaimer in the 23 * documentation and/or other materials provided with the distribution. 24 * 3. Neither the name of the University nor the names of its contributors 25 * may be used to endorse or promote products derived from this software 26 * without specific prior written permission. 27 * 28 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 29 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 30 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 31 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 32 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 33 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 34 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 35 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 36 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 37 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 38 * SUCH DAMAGE. 39 * 40 * @(#)ipc.h 8.4 (Berkeley) 2/19/95 41 */ 42 43 /* 44 * SVID compatible ipc.h file 45 */ 46 47 #ifndef _COMPAT_SYS_IPC_H_ 48 #define _COMPAT_SYS_IPC_H_ 49 50 __BEGIN_DECLS 51 /* 52 * Old IPC permission structure used before NetBSD 1.5. 53 */ 54 struct ipc_perm14 { 55 unsigned short cuid; /* creator user id */ 56 unsigned short cgid; /* creator group id */ 57 unsigned short uid; /* user id */ 58 unsigned short gid; /* group id */ 59 unsigned short mode; /* r/w permission */ 60 unsigned short seq; /* sequence # (to generate unique 61 msg/sem/shm id) */ 62 key_t key; /* user specified msg/sem/shm key */ 63 }; 64 65 static __inline void __ipc_perm14_to_native(const struct ipc_perm14 *, struct ipc_perm *); 66 static __inline void __native_to_ipc_perm14(const struct ipc_perm *, struct ipc_perm14 *); 67 static __inline void 68 __ipc_perm14_to_native(const struct ipc_perm14 *operm, struct ipc_perm *perm) 69 { 70 71 #define CVT(x) perm->x = operm->x 72 CVT(uid); 73 CVT(gid); 74 CVT(cuid); 75 CVT(cgid); 76 CVT(mode); 77 #undef CVT 78 } 79 80 void 81 __native_to_ipc_perm14(const struct ipc_perm *perm, struct ipc_perm14 *operm) 82 { 83 84 #define CVT(x) operm->x = perm->x 85 CVT(uid); 86 CVT(gid); 87 CVT(cuid); 88 CVT(cgid); 89 CVT(mode); 90 #undef CVT 91 92 /* 93 * Not part of the API, but some programs might look at it. 94 */ 95 operm->seq = perm->_seq; 96 operm->key = perm->_key; 97 } 98 99 #if defined(_KERNEL) && defined(SYSCTLFN_ARGS) 100 int sysctl_kern_sysvipc50(SYSCTLFN_ARGS); 101 #define KERN_SYSVIPC_OMSG_INFO 1 /* msginfo and msqid_ds50 */ 102 #define KERN_SYSVIPC_OSEM_INFO 2 /* seminfo and semid_ds50 */ 103 #define KERN_SYSVIPC_OSHM_INFO 3 /* shminfo and shmid_ds50 */ 104 #endif 105 106 __END_DECLS 107 108 #endif /* !_COMPAT_SYS_IPC_H_ */ 109