73 lines
2.5 KiB
C
73 lines
2.5 KiB
C
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/* $NetBSD: linux_sem.h,v 1.1 1995/08/15 21:14:35 fvdl Exp $ */
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/*
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* Copyright (c) 1995 Frank van der Linden
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* All rights reserved.
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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. All advertising materials mentioning features or use of this software
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* must display the following acknowledgement:
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* This product includes software developed for the NetBSD Project
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* by Frank van der Linden
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* 4. The name of the author may not be used to endorse or promote products
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* derived from this software without specific prior written permission
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*
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* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
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* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
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* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
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* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
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* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
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* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
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* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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#ifndef _LINUX_SEM_H
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#define _LINUX_SEM_H
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/*
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* Operations for semctl(2), in addition to IPC_STAT and IPC_SET
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*/
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#define LINUX_GETPID 11
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#define LINUX_GETVAL 12
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#define LINUX_GETALL 13
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#define LINUX_GETNCNT 14
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#define LINUX_GETZCNT 15
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#define LINUX_SETVAL 16
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#define LINUX_SETALL 17
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/*
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* Linux semid_ds structure. Internally used pointer fields are not
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* important to us and have been changed to void *
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*/
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struct linux_semid_ds {
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struct linux_ipc_perm l_sem_perm;
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linux_time_t l_sem_otime;
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linux_time_t l_sem_ctime;
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void *l_sem_base;
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void *l_eventn;
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void *l_eventz;
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void *l_undo;
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ushort l_sem_nsems;
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};
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union linux_semun {
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int l_val;
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struct linux_semid_ds *l_buf;
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ushort *l_array;
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void *l___buf; /* For unsupported IPC_INFO */
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void *l___pad;
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};
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#endif /* _LINUX_SEM_H */
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