Now available: The Design and Implementation of the FreeBSD Operating System (Second Edition)
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FreeBSD/Linux Kernel Cross Reference
sys/compat/linux/common/linux_shm.h
Version:
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1 /* $NetBSD: linux_shm.h,v 1.5.4.1 2004/10/04 05:19:21 jmc Exp $ */ 2 3 /*- 4 * Copyright (c) 1995, 1998 The NetBSD Foundation, Inc. 5 * All rights reserved. 6 * 7 * This code is derived from software contributed to The NetBSD Foundation 8 * by Frank van der Linden and 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 #ifndef _LINUX_SHM_H 40 #define _LINUX_SHM_H 41 42 #include <sys/shm.h> 43 44 /* 45 * shm segment control structure 46 */ 47 struct linux_shmid_ds { 48 struct linux_ipc_perm l_shm_perm; 49 int l_shm_segsz; 50 linux_time_t l_shm_atime; 51 linux_time_t l_shm_dtime; 52 linux_time_t l_shm_ctime; 53 ushort l_shm_cpid; 54 ushort l_shm_lpid; 55 short l_shm_nattch; 56 ushort l_private1; 57 void *l_private2; 58 void *l_private3; 59 }; 60 61 #define LINUX_SHM_RDONLY 0x1000 62 #define LINUX_SHM_RND 0x2000 63 #define LINUX_SHM_REMAP 0x4000 64 65 #define LINUX_SHM_LOCK 11 66 #define LINUX_SHM_UNLOCK 12 67 #define LINUX_SHM_STAT 13 68 #define LINUX_SHM_INFO 14 69 70 71 /* Pretend the sys_shmat and sys_shmctl syscalls are defined */ 72 struct linux_sys_shmat_args { 73 syscallarg(int) shmid; 74 syscallarg(void *) shmaddr; 75 syscallarg(int) shmflg; 76 syscallarg(u_long *) raddr; 77 }; 78 79 struct linux_sys_shmctl_args { 80 syscallarg(int) shmid; 81 syscallarg(int) cmd; 82 syscallarg(struct linux_shmid_ds *) buf; 83 }; 84 85 #ifdef SYSVSHM 86 #ifdef _KERNEL 87 __BEGIN_DECLS 88 int linux_sys_shmget __P((struct lwp *, void *, register_t *)); 89 int linux_sys_shmat __P((struct lwp *, void *, register_t *)); 90 int linux_sys_shmctl __P((struct lwp *, void *, register_t *)); 91 void linux_to_bsd_shmid_ds __P((struct linux_shmid_ds *, 92 struct shmid_ds *)); 93 void bsd_to_linux_shmid_ds __P((struct shmid_ds *, 94 struct linux_shmid_ds *)); 95 __END_DECLS 96 #endif /* !_KERNEL */ 97 #endif /* !SYSVSHM */ 98 99 #endif /* !_LINUX_SHM_H */
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