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linux_sem.h revision 1.4 
      1  1.4      fvdl /*	$NetBSD: linux_sem.h,v 1.4 1998/10/04 00:02:41 fvdl Exp $	*/
      2  1.2       erh 
      3  1.2       erh /*-
      4  1.4      fvdl  * Copyright (c) 1995, 1998 The NetBSD Foundation, Inc.
      5  1.2       erh  * All rights reserved.
      6  1.2       erh  *
      7  1.2       erh  * This code is derived from software contributed to The NetBSD Foundation
      8  1.4      fvdl  * by Frank van der Linden and Eric Haszlakiewicz.
      9  1.2       erh  *
     10  1.2       erh  * Redistribution and use in source and binary forms, with or without
     11  1.2       erh  * modification, are permitted provided that the following conditions
     12  1.2       erh  * are met:
     13  1.2       erh  * 1. Redistributions of source code must retain the above copyright
     14  1.2       erh  *    notice, this list of conditions and the following disclaimer.
     15  1.2       erh  * 2. Redistributions in binary form must reproduce the above copyright
     16  1.2       erh  *    notice, this list of conditions and the following disclaimer in the
     17  1.2       erh  *    documentation and/or other materials provided with the distribution.
     18  1.2       erh  * 3. All advertising materials mentioning features or use of this software
     19  1.2       erh  *    must display the following acknowledgement:
     20  1.2       erh  *	This product includes software developed by the NetBSD
     21  1.2       erh  *	Foundation, Inc. and its contributors.
     22  1.2       erh  * 4. Neither the name of The NetBSD Foundation nor the names of its
     23  1.2       erh  *    contributors may be used to endorse or promote products derived
     24  1.2       erh  *    from this software without specific prior written permission.
     25  1.2       erh  *
     26  1.2       erh  * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
     27  1.2       erh  * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
     28  1.2       erh  * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
     29  1.2       erh  * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
     30  1.2       erh  * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
     31  1.2       erh  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
     32  1.2       erh  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
     33  1.2       erh  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
     34  1.2       erh  * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
     35  1.2       erh  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
     36  1.2       erh  * POSSIBILITY OF SUCH DAMAGE.
     37  1.1      fvdl  */
     38  1.1      fvdl 
     39  1.3  christos #ifndef _LINUX_SEM_H
     40  1.3  christos #define _LINUX_SEM_H
     41  1.2       erh 
     42  1.2       erh #include <sys/sem.h>
     43  1.1      fvdl 
     44  1.1      fvdl /*
     45  1.1      fvdl  * Operations for semctl(2), in addition to IPC_STAT and IPC_SET
     46  1.1      fvdl  */
     47  1.1      fvdl #define LINUX_GETPID  11
     48  1.1      fvdl #define LINUX_GETVAL  12
     49  1.1      fvdl #define LINUX_GETALL  13
     50  1.1      fvdl #define LINUX_GETNCNT 14
     51  1.1      fvdl #define LINUX_GETZCNT 15
     52  1.1      fvdl #define LINUX_SETVAL  16
     53  1.1      fvdl #define LINUX_SETALL  17
     54  1.1      fvdl 
     55  1.1      fvdl /*
     56  1.1      fvdl  * Linux semid_ds structure. Internally used pointer fields are not
     57  1.1      fvdl  * important to us and have been changed to void *
     58  1.1      fvdl  */
     59  1.1      fvdl 
     60  1.1      fvdl struct linux_semid_ds {
     61  1.1      fvdl 	struct linux_ipc_perm	 l_sem_perm;
     62  1.1      fvdl 	linux_time_t		 l_sem_otime;
     63  1.1      fvdl 	linux_time_t		 l_sem_ctime;
     64  1.1      fvdl 	void 			*l_sem_base;
     65  1.1      fvdl 	void			*l_eventn;
     66  1.1      fvdl 	void			*l_eventz;
     67  1.1      fvdl 	void			*l_undo;
     68  1.1      fvdl 	ushort			 l_sem_nsems;
     69  1.1      fvdl };
     70  1.1      fvdl 
     71  1.1      fvdl union linux_semun {
     72  1.1      fvdl 	int			 l_val;
     73  1.1      fvdl 	struct linux_semid_ds	*l_buf;
     74  1.1      fvdl 	ushort			*l_array;
     75  1.1      fvdl 	void			*l___buf;	/* For unsupported IPC_INFO */
     76  1.1      fvdl 	void			*l___pad;
     77  1.1      fvdl };
     78  1.1      fvdl 
     79  1.2       erh /* Pretend the sys_semctl syscall is defined */
     80  1.2       erh struct linux_sys_semctl_args {
     81  1.2       erh 	syscallarg(int) semid;
     82  1.2       erh 	syscallarg(int) semnum;
     83  1.2       erh 	syscallarg(int) cmd;
     84  1.2       erh 	syscallarg(union linux_semun) arg;
     85  1.2       erh };
     86  1.2       erh 
     87  1.2       erh 
     88  1.2       erh #ifdef SYSVSEM
     89  1.2       erh #ifdef _KERNEL
     90  1.2       erh __BEGIN_DECLS
     91  1.2       erh int linux_sys_semctl __P((struct proc *, void *, register_t *));
     92  1.2       erh void bsd_to_linux_semid_ds __P((struct semid_ds *,
     93  1.3  christos     struct linux_semid_ds *));
     94  1.2       erh void linux_to_bsd_semid_ds __P((struct linux_semid_ds *,
     95  1.3  christos     struct semid_ds *));
     96  1.2       erh __END_DECLS
     97  1.2       erh #endif	/* !_KERNEL */
     98  1.2       erh #endif	/* !SYSVSEM */
     99  1.2       erh 
    100  1.3  christos #endif /* !_LINUX_SEM_H */
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