109 lines
3.6 KiB
C
109 lines
3.6 KiB
C
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/* $NetBSD: ipc.h,v 1.4 2011/05/24 18:29:23 joerg Exp $ */
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/*
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* Copyright (c) 1990, 1993
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* The Regents of the University of California. All rights reserved.
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* (c) UNIX System Laboratories, Inc.
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* All or some portions of this file are derived from material licensed
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* to the University of California by American Telephone and Telegraph
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* Co. or Unix System Laboratories, Inc. and are reproduced herein with
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* the permission of UNIX System Laboratories, Inc.
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*
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* This code is derived from software contributed to Berkeley by
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* the Systems Programming Group of the University of Utah Computer
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* Science Department.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* 3. Neither the name of the University nor the names of its contributors
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* may be used to endorse or promote products derived from this software
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* without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*
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* @(#)ipc.h 8.4 (Berkeley) 2/19/95
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*/
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/*
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* SVID compatible ipc.h file
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*/
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#ifndef _COMPAT_SYS_IPC_H_
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#define _COMPAT_SYS_IPC_H_
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__BEGIN_DECLS
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/*
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* Old IPC permission structure used before NetBSD 1.5.
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*/
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struct ipc_perm14 {
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unsigned short cuid; /* creator user id */
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unsigned short cgid; /* creator group id */
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unsigned short uid; /* user id */
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unsigned short gid; /* group id */
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unsigned short mode; /* r/w permission */
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unsigned short seq; /* sequence # (to generate unique
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msg/sem/shm id) */
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key_t key; /* user specified msg/sem/shm key */
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};
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static __inline void __ipc_perm14_to_native(const struct ipc_perm14 *, struct ipc_perm *);
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static __inline void __native_to_ipc_perm14(const struct ipc_perm *, struct ipc_perm14 *);
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static __inline void
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__ipc_perm14_to_native(const struct ipc_perm14 *operm, struct ipc_perm *perm)
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{
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#define CVT(x) perm->x = operm->x
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CVT(uid);
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CVT(gid);
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CVT(cuid);
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CVT(cgid);
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CVT(mode);
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#undef CVT
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}
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static inline void
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__native_to_ipc_perm14(const struct ipc_perm *perm, struct ipc_perm14 *operm)
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{
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#define CVT(x) operm->x = perm->x
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CVT(uid);
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CVT(gid);
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CVT(cuid);
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CVT(cgid);
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CVT(mode);
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#undef CVT
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/*
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* Not part of the API, but some programs might look at it.
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*/
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operm->seq = perm->_seq;
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operm->key = perm->_key;
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}
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#if defined(_KERNEL) && defined(SYSCTLFN_ARGS)
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int sysctl_kern_sysvipc50(SYSCTLFN_ARGS);
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#define KERN_SYSVIPC_OMSG_INFO 1 /* msginfo and msqid_ds50 */
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#define KERN_SYSVIPC_OSEM_INFO 2 /* seminfo and semid_ds50 */
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#define KERN_SYSVIPC_OSHM_INFO 3 /* shminfo and shmid_ds50 */
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#endif
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__END_DECLS
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#endif /* !_COMPAT_SYS_IPC_H_ */
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