101 lines
3.3 KiB
C
101 lines
3.3 KiB
C
/* $NetBSD: linux_sem.h,v 1.4 1998/10/04 00:02:41 fvdl Exp $ */
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/*-
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* Copyright (c) 1995, 1998 The NetBSD Foundation, Inc.
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* All rights reserved.
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*
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* This code is derived from software contributed to The NetBSD Foundation
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* by Frank van der Linden and Eric Haszlakiewicz.
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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 by the NetBSD
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* Foundation, Inc. and its contributors.
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* 4. Neither the name of The NetBSD Foundation nor the names of its
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* contributors may be used to endorse or promote products derived
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* from this software without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
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* ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
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* TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
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* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
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* BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
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* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
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* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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* 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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#include <sys/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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/* Pretend the sys_semctl syscall is defined */
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struct linux_sys_semctl_args {
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syscallarg(int) semid;
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syscallarg(int) semnum;
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syscallarg(int) cmd;
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syscallarg(union linux_semun) arg;
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};
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#ifdef SYSVSEM
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#ifdef _KERNEL
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__BEGIN_DECLS
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int linux_sys_semctl __P((struct proc *, void *, register_t *));
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void bsd_to_linux_semid_ds __P((struct semid_ds *,
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struct linux_semid_ds *));
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void linux_to_bsd_semid_ds __P((struct linux_semid_ds *,
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struct semid_ds *));
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__END_DECLS
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#endif /* !_KERNEL */
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#endif /* !SYSVSEM */
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#endif /* !_LINUX_SEM_H */
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