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linux_sem.h revision 1.7.4.1
      1  1.7.4.1    bouyer /*	$NetBSD: linux_sem.h,v 1.7.4.1 2008/01/02 21:52:41 bouyer 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      1.6      manu #ifndef __amd64__
     81      1.2       erh struct linux_sys_semctl_args {
     82      1.2       erh 	syscallarg(int) semid;
     83      1.2       erh 	syscallarg(int) semnum;
     84      1.2       erh 	syscallarg(int) cmd;
     85      1.2       erh 	syscallarg(union linux_semun) arg;
     86      1.2       erh };
     87  1.7.4.1    bouyer int linux_sys_semctl(struct lwp *, const struct linux_sys_semctl_args *, register_t *);
     88      1.6      manu #endif
     89      1.2       erh 
     90      1.2       erh 
     91      1.2       erh #ifdef SYSVSEM
     92      1.2       erh #ifdef _KERNEL
     93      1.2       erh __BEGIN_DECLS
     94  1.7.4.1    bouyer void bsd_to_linux_semid_ds(struct semid_ds *, struct linux_semid_ds *);
     95  1.7.4.1    bouyer void linux_to_bsd_semid_ds(struct linux_semid_ds *, 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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