| 1 | /* $NetBSD: linux_shm.h,v 1.12 2008/04/28 20:23:44 martin 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 | * |
| 19 | * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS |
| 20 | * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED |
| 21 | * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR |
| 22 | * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS |
| 23 | * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR |
| 24 | * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF |
| 25 | * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS |
| 26 | * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN |
| 27 | * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) |
| 28 | * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE |
| 29 | * POSSIBILITY OF SUCH DAMAGE. |
| 30 | */ |
| 31 | |
| 32 | #ifndef _LINUX_SHM_H |
| 33 | #define _LINUX_SHM_H |
| 34 | |
| 35 | #include <sys/shm.h> |
| 36 | |
| 37 | /* |
| 38 | * shm segment control structure |
| 39 | */ |
| 40 | struct linux_shmid_ds { |
| 41 | struct linux_ipc_perm l_shm_perm; |
| 42 | int l_shm_segsz; |
| 43 | linux_time_t l_shm_atime; |
| 44 | linux_time_t l_shm_dtime; |
| 45 | linux_time_t l_shm_ctime; |
| 46 | ushort l_shm_cpid; |
| 47 | ushort l_shm_lpid; |
| 48 | short l_shm_nattch; |
| 49 | ushort l_private1; |
| 50 | void *l_private2; |
| 51 | void *l_private3; |
| 52 | }; |
| 53 | |
| 54 | struct linux_shmid64_ds { |
| 55 | struct linux_ipc64_perm l_shm_perm; |
| 56 | size_t l_shm_segsz; |
| 57 | linux_time_t l_shm_atime; |
| 58 | #ifndef _LP64 |
| 59 | u_long l____unused1; |
| 60 | #endif |
| 61 | linux_time_t l_shm_dtime; |
| 62 | #ifndef _LP64 |
| 63 | u_long l____unused2; |
| 64 | #endif |
| 65 | linux_time_t l_shm_ctime; |
| 66 | #ifndef _LP64 |
| 67 | u_long l____unused3; |
| 68 | #endif |
| 69 | int l_shm_cpid; |
| 70 | int l_shm_lpid; |
| 71 | u_long l_shm_nattch; |
| 72 | u_long l___unused4; |
| 73 | u_long l___unused5; |
| 74 | }; |
| 75 | |
| 76 | struct linux_shminfo64 { |
| 77 | u_long l_shmmax; |
| 78 | u_long l_shmmin; |
| 79 | u_long l_shmmni; |
| 80 | u_long l_shmseg; |
| 81 | u_long l_shmall; |
| 82 | u_long l___unused1; |
| 83 | u_long l___unused2; |
| 84 | u_long l___unused3; |
| 85 | u_long l___unused4; |
| 86 | }; |
| 87 | |
| 88 | struct linux_shm_info { |
| 89 | int l_used_ids; |
| 90 | u_long l_shm_tot; |
| 91 | u_long ; |
| 92 | u_long l_shm_swp; |
| 93 | u_long l_swap_attempts; |
| 94 | u_long l_swap_successes; |
| 95 | }; |
| 96 | |
| 97 | #define LINUX_SHM_RDONLY 0x1000 |
| 98 | #define LINUX_SHM_RND 0x2000 |
| 99 | #define LINUX_SHM_REMAP 0x4000 |
| 100 | |
| 101 | #define LINUX_SHM_LOCK 11 |
| 102 | #define LINUX_SHM_UNLOCK 12 |
| 103 | #define LINUX_SHM_STAT 13 |
| 104 | #define LINUX_SHM_INFO 14 |
| 105 | |
| 106 | |
| 107 | /* Pretend the sys_shmat and sys_shmctl syscalls are defined */ |
| 108 | struct linux_sys_shmat_args { |
| 109 | syscallarg(int) shmid; |
| 110 | syscallarg(void *) shmaddr; |
| 111 | syscallarg(int) shmflg; |
| 112 | syscallarg(u_long *) raddr; |
| 113 | }; |
| 114 | |
| 115 | struct linux_sys_shmctl_args { |
| 116 | syscallarg(int) shmid; |
| 117 | syscallarg(int) cmd; |
| 118 | syscallarg(struct linux_shmid_ds *) buf; |
| 119 | }; |
| 120 | |
| 121 | struct linux_sys_shmget_args { |
| 122 | syscallarg(key_t) key; |
| 123 | syscallarg(size_t) size; |
| 124 | syscallarg(int) shmflg; |
| 125 | }; |
| 126 | |
| 127 | #ifdef SYSVSHM |
| 128 | #ifdef _KERNEL |
| 129 | __BEGIN_DECLS |
| 130 | int linux_sys_shmget(struct lwp *, const struct linux_sys_shmget_args *, register_t *); |
| 131 | int linux_sys_shmat(struct lwp *, const struct linux_sys_shmat_args *, register_t *); |
| 132 | int linux_sys_shmctl(struct lwp *, const struct linux_sys_shmctl_args *, register_t *); |
| 133 | void linux_to_bsd_shmid_ds(struct linux_shmid_ds *, |
| 134 | struct shmid_ds *); |
| 135 | void linux_to_bsd_shmid64_ds(struct linux_shmid64_ds *, |
| 136 | struct shmid_ds *); |
| 137 | void bsd_to_linux_shmid_ds(struct shmid_ds *, |
| 138 | struct linux_shmid_ds *); |
| 139 | void bsd_to_linux_shmid64_ds(struct shmid_ds *, |
| 140 | struct linux_shmid64_ds *); |
| 141 | __END_DECLS |
| 142 | #endif /* !_KERNEL */ |
| 143 | #endif /* !SYSVSHM */ |
| 144 | |
| 145 | #endif /* !_LINUX_SHM_H */ |
| 146 | |