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linux_sem.h revision 1.6.46.2
      1  1.6.46.2       mjf /*	$NetBSD: linux_sem.h,v 1.6.46.2 2007/12/27 00:44:11 mjf 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  1.6.46.2       mjf 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  1.6.46.2       mjf void bsd_to_linux_semid_ds(struct semid_ds *, struct linux_semid_ds *);
     95  1.6.46.2       mjf 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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