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/* $OpenBSD: linux_sem.h,v 1.3 2011/04/05 22:54:31 pirofti Exp $ */
/* $NetBSD: linux_sem.h,v 1.1 1995/08/15 21:14:35 fvdl Exp $ */
/*
* Copyright (c) 1995 Frank van der Linden
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* 3. All advertising materials mentioning features or use of this software
* must display the following acknowledgement:
* This product includes software developed for the NetBSD Project
* by Frank van der Linden
* 4. The name of the author may not be used to endorse or promote products
* derived from this software without specific prior written permission
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#ifndef _LINUX_SEM_H_
#define _LINUX_SEM_H_
/*
* Operations for semctl(2), in addition to IPC_STAT and IPC_SET
*/
#define LINUX_GETPID 11
#define LINUX_GETVAL 12
#define LINUX_GETALL 13
#define LINUX_GETNCNT 14
#define LINUX_GETZCNT 15
#define LINUX_SETVAL 16
#define LINUX_SETALL 17
/*
* Linux semid_ds structure. Internally used pointer fields are not
* important to us and have been changed to void *
*/
struct linux_semid_ds {
struct linux_ipc_perm l_sem_perm;
linux_time_t l_sem_otime;
linux_time_t l_sem_ctime;
void *l_sem_base;
void *l_eventn;
void *l_eventz;
void *l_undo;
ushort l_sem_nsems;
};
union linux_semun {
int l_val;
struct linux_semid_ds *l_buf;
ushort *l_array;
void *l___buf; /* For unsupported IPC_INFO */
void *l___pad;
};
#endif /* _LINUX_SEM_H_ */
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