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linux_shm.h revision 1.9
      1  1.9       dsl /*	$NetBSD: linux_shm.h,v 1.9 2007/12/04 18:40:16 dsl 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_SHM_H
     40  1.3  christos #define _LINUX_SHM_H
     41  1.2       erh 
     42  1.2       erh #include <sys/shm.h>
     43  1.1      fvdl 
     44  1.1      fvdl /*
     45  1.1      fvdl  * shm segment control structure
     46  1.1      fvdl  */
     47  1.1      fvdl struct linux_shmid_ds {
     48  1.1      fvdl 	struct linux_ipc_perm	l_shm_perm;
     49  1.1      fvdl 	int			l_shm_segsz;
     50  1.1      fvdl 	linux_time_t		l_shm_atime;
     51  1.1      fvdl 	linux_time_t		l_shm_dtime;
     52  1.1      fvdl 	linux_time_t		l_shm_ctime;
     53  1.1      fvdl 	ushort			l_shm_cpid;
     54  1.1      fvdl 	ushort			l_shm_lpid;
     55  1.1      fvdl 	short			l_shm_nattch;
     56  1.1      fvdl 	ushort			l_private1;
     57  1.1      fvdl 	void			*l_private2;
     58  1.1      fvdl 	void			*l_private3;
     59  1.1      fvdl };
     60  1.1      fvdl 
     61  1.7  christos struct linux_shmid64_ds {
     62  1.7  christos 	struct linux_ipc64_perm	l_shm_perm;
     63  1.7  christos 	uint			l_shm_segsz;
     64  1.7  christos 	linux_time_t		l_shm_atime;
     65  1.7  christos 	u_long			l____unused1;
     66  1.7  christos 	linux_time_t		l_shm_dtime;
     67  1.7  christos 	u_long			l____unused2;
     68  1.7  christos 	linux_time_t		l_shm_ctime;
     69  1.7  christos 	u_long			l____unused3;
     70  1.7  christos 	int			l_shm_cpid;
     71  1.7  christos 	int			l_shm_lpid;
     72  1.7  christos 	u_long			l_shm_nattch;
     73  1.7  christos 	u_long			l___unused4;
     74  1.7  christos 	u_long			l___unused5;
     75  1.7  christos };
     76  1.7  christos 
     77  1.7  christos struct linux_shminfo64 {
     78  1.7  christos 	u_long			l_shmmax;
     79  1.7  christos 	u_long			l_shmmin;
     80  1.7  christos 	u_long			l_shmmni;
     81  1.7  christos 	u_long			l_shmseg;
     82  1.7  christos 	u_long			l_shmall;
     83  1.7  christos 	u_long			l___unused1;
     84  1.7  christos 	u_long			l___unused2;
     85  1.7  christos 	u_long			l___unused3;
     86  1.7  christos 	u_long			l___unused4;
     87  1.7  christos };
     88  1.7  christos 
     89  1.7  christos struct linux_shm_info {
     90  1.7  christos 	int			l_used_ids;
     91  1.7  christos 	u_long			l_shm_tot;
     92  1.7  christos 	u_long			l_shm_rss;
     93  1.7  christos 	u_long			l_shm_swp;
     94  1.7  christos 	u_long			l_swap_attempts;
     95  1.7  christos 	u_long			l_swap_successes;
     96  1.7  christos };
     97  1.7  christos 
     98  1.1      fvdl #define LINUX_SHM_RDONLY	0x1000
     99  1.1      fvdl #define LINUX_SHM_RND		0x2000
    100  1.1      fvdl #define LINUX_SHM_REMAP		0x4000
    101  1.1      fvdl 
    102  1.1      fvdl #define LINUX_SHM_LOCK		11
    103  1.1      fvdl #define LINUX_SHM_UNLOCK	12
    104  1.1      fvdl #define LINUX_SHM_STAT		13
    105  1.1      fvdl #define LINUX_SHM_INFO		14
    106  1.1      fvdl 
    107  1.2       erh 
    108  1.2       erh /* Pretend the sys_shmat and sys_shmctl syscalls are defined */
    109  1.8      manu #ifndef __amd64__
    110  1.2       erh struct linux_sys_shmat_args {
    111  1.2       erh 	syscallarg(int) shmid;
    112  1.2       erh 	syscallarg(void *) shmaddr;
    113  1.2       erh 	syscallarg(int) shmflg;
    114  1.2       erh 	syscallarg(u_long *) raddr;
    115  1.2       erh };
    116  1.2       erh 
    117  1.2       erh struct linux_sys_shmctl_args {
    118  1.2       erh 	syscallarg(int) shmid;
    119  1.2       erh 	syscallarg(int) cmd;
    120  1.2       erh 	syscallarg(struct linux_shmid_ds *) buf;
    121  1.2       erh };
    122  1.8      manu #endif
    123  1.2       erh 
    124  1.2       erh #ifdef SYSVSHM
    125  1.2       erh #ifdef _KERNEL
    126  1.2       erh __BEGIN_DECLS
    127  1.9       dsl int linux_sys_shmget(struct lwp *, void *, register_t *);
    128  1.9       dsl int linux_sys_shmat(struct lwp *, void *, register_t *);
    129  1.9       dsl int linux_sys_shmctl(struct lwp *, void *, register_t *);
    130  1.9       dsl void linux_to_bsd_shmid_ds(struct linux_shmid_ds *,
    131  1.9       dsl     struct shmid_ds *);
    132  1.9       dsl void linux_to_bsd_shmid64_ds(struct linux_shmid64_ds *,
    133  1.9       dsl     struct shmid_ds *);
    134  1.9       dsl void bsd_to_linux_shmid_ds(struct shmid_ds *,
    135  1.9       dsl     struct linux_shmid_ds *);
    136  1.9       dsl void bsd_to_linux_shmid64_ds(struct shmid_ds *,
    137  1.9       dsl     struct linux_shmid64_ds *);
    138  1.2       erh __END_DECLS
    139  1.2       erh #endif	/* !_KERNEL */
    140  1.2       erh #endif	/* !SYSVSHM */
    141  1.2       erh 
    142  1.3  christos #endif /* !_LINUX_SHM_H */
    143