| 1 | /* $NetBSD: ipc.h,v 1.4 2011/05/24 18:29:23 joerg 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 | static inline 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 | |