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linux_shm.h revision 1.3
      1 /*	$NetBSD: linux_shm.h,v 1.3 1998/10/03 20:17:43 christos Exp $	*/
      2 
      3 /*-
      4  * Copyright (c) 1998 The NetBSD Foundation, Inc.
      5  * All rights reserved.
      6  *
      7  * This code is derived from software contributed to The NetBSD Foundation
      8  * by Eric Haszlakiewicz.
      9  *
     10  * Redistribution and use in source and binary forms, with or without
     11  * modification, are permitted provided that the following conditions
     12  * are met:
     13  * 1. Redistributions of source code must retain the above copyright
     14  *    notice, this list of conditions and the following disclaimer.
     15  * 2. Redistributions in binary form must reproduce the above copyright
     16  *    notice, this list of conditions and the following disclaimer in the
     17  *    documentation and/or other materials provided with the distribution.
     18  * 3. All advertising materials mentioning features or use of this software
     19  *    must display the following acknowledgement:
     20  *	This product includes software developed by the NetBSD
     21  *	Foundation, Inc. and its contributors.
     22  * 4. Neither the name of The NetBSD Foundation nor the names of its
     23  *    contributors may be used to endorse or promote products derived
     24  *    from this software without specific prior written permission.
     25  *
     26  * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
     27  * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
     28  * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
     29  * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
     30  * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
     31  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
     32  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
     33  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
     34  * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
     35  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
     36  * POSSIBILITY OF SUCH DAMAGE.
     37  */
     38 
     39 /*
     40  * Copyright (c) 1995 Frank van der Linden
     41  * All rights reserved.
     42  *
     43  * Redistribution and use in source and binary forms, with or without
     44  * modification, are permitted provided that the following conditions
     45  * are met:
     46  * 1. Redistributions of source code must retain the above copyright
     47  *    notice, this list of conditions and the following disclaimer.
     48  * 2. Redistributions in binary form must reproduce the above copyright
     49  *    notice, this list of conditions and the following disclaimer in the
     50  *    documentation and/or other materials provided with the distribution.
     51  * 3. All advertising materials mentioning features or use of this software
     52  *    must display the following acknowledgement:
     53  *      This product includes software developed for the NetBSD Project
     54  *      by Frank van der Linden
     55  * 4. The name of the author may not be used to endorse or promote products
     56  *    derived from this software without specific prior written permission
     57  *
     58  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
     59  * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
     60  * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
     61  * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
     62  * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
     63  * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
     64  * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
     65  * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
     66  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
     67  * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
     68  */
     69 
     70 #ifndef _LINUX_SHM_H
     71 #define _LINUX_SHM_H
     72 
     73 #include <sys/shm.h>
     74 
     75 /*
     76  * shm segment control structure
     77  */
     78 struct linux_shmid_ds {
     79 	struct linux_ipc_perm	l_shm_perm;
     80 	int			l_shm_segsz;
     81 	linux_time_t		l_shm_atime;
     82 	linux_time_t		l_shm_dtime;
     83 	linux_time_t		l_shm_ctime;
     84 	ushort			l_shm_cpid;
     85 	ushort			l_shm_lpid;
     86 	short			l_shm_nattch;
     87 	ushort			l_private1;
     88 	void			*l_private2;
     89 	void			*l_private3;
     90 };
     91 
     92 #define LINUX_SHM_RDONLY	0x1000
     93 #define LINUX_SHM_RND		0x2000
     94 #define LINUX_SHM_REMAP		0x4000
     95 
     96 #define LINUX_SHM_LOCK		11
     97 #define LINUX_SHM_UNLOCK	12
     98 #define LINUX_SHM_STAT		13
     99 #define LINUX_SHM_INFO		14
    100 
    101 
    102 /* Pretend the sys_shmat and sys_shmctl syscalls are defined */
    103 struct linux_sys_shmat_args {
    104 	syscallarg(int) shmid;
    105 	syscallarg(void *) shmaddr;
    106 	syscallarg(int) shmflg;
    107 	syscallarg(u_long *) raddr;
    108 };
    109 
    110 struct linux_sys_shmctl_args {
    111 	syscallarg(int) shmid;
    112 	syscallarg(int) cmd;
    113 	syscallarg(struct linux_shmid_ds *) buf;
    114 };
    115 
    116 #ifdef SYSVSHM
    117 #ifdef _KERNEL
    118 __BEGIN_DECLS
    119 int linux_sys_shmat __P((struct proc *, void *, register_t *));
    120 int linux_sys_shmctl __P((struct proc *, void *, register_t *));
    121 void linux_to_bsd_shmid_ds __P((struct linux_shmid_ds *,
    122     struct shmid_ds *));
    123 void bsd_to_linux_shmid_ds __P((struct shmid_ds *,
    124     struct linux_shmid_ds *));
    125 __END_DECLS
    126 #endif	/* !_KERNEL */
    127 #endif	/* !SYSVSHM */
    128 
    129 #endif /* !_LINUX_SHM_H */
    130