| 1 | /* $NetBSD: shm.h,v 1.7 2009/04/01 21:15:23 christos Exp $ */ |
| 2 | |
| 3 | /* |
| 4 | * Copyright (c) 1994 Adam Glass |
| 5 | * All rights reserved. |
| 6 | * |
| 7 | * Redistribution and use in source and binary forms, with or without |
| 8 | * modification, are permitted provided that the following conditions |
| 9 | * are met: |
| 10 | * 1. Redistributions of source code must retain the above copyright |
| 11 | * notice, this list of conditions and the following disclaimer. |
| 12 | * 2. Redistributions in binary form must reproduce the above copyright |
| 13 | * notice, this list of conditions and the following disclaimer in the |
| 14 | * documentation and/or other materials provided with the distribution. |
| 15 | * 3. All advertising materials mentioning features or use of this software |
| 16 | * must display the following acknowledgement: |
| 17 | * This product includes software developed by Adam Glass. |
| 18 | * 4. The name of the author may not be used to endorse or promote products |
| 19 | * derived from this software without specific prior written permission |
| 20 | * |
| 21 | * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR |
| 22 | * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES |
| 23 | * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. |
| 24 | * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, |
| 25 | * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
| 26 | * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
| 27 | * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
| 28 | * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
| 29 | * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF |
| 30 | * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
| 31 | */ |
| 32 | |
| 33 | /* |
| 34 | * As defined+described in "X/Open System Interfaces and Headers" |
| 35 | * Issue 4, p. XXX |
| 36 | */ |
| 37 | |
| 38 | #ifndef _COMPAT_SYS_SHM_H_ |
| 39 | #define _COMPAT_SYS_SHM_H_ |
| 40 | |
| 41 | #include <compat/sys/ipc.h> |
| 42 | |
| 43 | struct shmid_ds14 { |
| 44 | struct ipc_perm14 shm_perm; /* operation permission structure */ |
| 45 | int shm_segsz; /* size of segment in bytes */ |
| 46 | pid_t shm_lpid; /* process ID of last shm op */ |
| 47 | pid_t shm_cpid; /* process ID of creator */ |
| 48 | short shm_nattch; /* number of current attaches */ |
| 49 | int32_t shm_atime; /* time of last shmat() */ |
| 50 | int32_t shm_dtime; /* time of last shmdt() */ |
| 51 | int32_t shm_ctime; /* time of last change by shmctl() */ |
| 52 | void *shm_internal; /* sysv stupidity */ |
| 53 | }; |
| 54 | |
| 55 | struct shmid_ds13 { |
| 56 | struct ipc_perm shm_perm; /* operation permission structure */ |
| 57 | size_t shm_segsz; /* size of segment in bytes */ |
| 58 | pid_t shm_lpid; /* process ID of last shm operation */ |
| 59 | pid_t shm_cpid; /* process ID of creator */ |
| 60 | shmatt_t shm_nattch; /* number of current attaches */ |
| 61 | int32_t shm_atime; /* time of last shmat() */ |
| 62 | int32_t shm_dtime; /* time of last shmdt() */ |
| 63 | int32_t shm_ctime; /* time of last change by shmctl() */ |
| 64 | |
| 65 | /* |
| 66 | * These members are private and used only in the internal |
| 67 | * implementation of this interface. |
| 68 | */ |
| 69 | void *_shm_internal; |
| 70 | }; |
| 71 | |
| 72 | /* Warning: 64-bit structure padding is needed here */ |
| 73 | struct shmid_ds_sysctl50 { |
| 74 | struct ipc_perm_sysctl shm_perm; |
| 75 | uint64_t shm_segsz; |
| 76 | pid_t shm_lpid; |
| 77 | pid_t shm_cpid; |
| 78 | int32_t shm_atime; |
| 79 | int32_t shm_dtime; |
| 80 | int32_t shm_ctime; |
| 81 | uint32_t shm_nattch; |
| 82 | }; |
| 83 | struct shm_sysctl_info50 { |
| 84 | struct shminfo shminfo; |
| 85 | struct shmid_ds_sysctl50 shmids[1]; |
| 86 | }; |
| 87 | |
| 88 | __BEGIN_DECLS |
| 89 | static __inline void __shmid_ds14_to_native(const struct shmid_ds14 *, struct shmid_ds *); |
| 90 | static __inline void __native_to_shmid_ds14(const struct shmid_ds *, struct shmid_ds14 *); |
| 91 | static __inline void __shmid_ds13_to_native(const struct shmid_ds13 *, struct shmid_ds *); |
| 92 | static __inline void __native_to_shmid_ds13(const struct shmid_ds *, struct shmid_ds13 *); |
| 93 | static __inline void |
| 94 | __shmid_ds14_to_native(const struct shmid_ds14 *oshmbuf, struct shmid_ds *shmbuf) |
| 95 | { |
| 96 | |
| 97 | __ipc_perm14_to_native(&oshmbuf->shm_perm, &shmbuf->shm_perm); |
| 98 | |
| 99 | #define CVT(x) shmbuf->x = oshmbuf->x |
| 100 | CVT(shm_segsz); |
| 101 | CVT(shm_lpid); |
| 102 | CVT(shm_cpid); |
| 103 | CVT(shm_nattch); |
| 104 | CVT(shm_atime); |
| 105 | CVT(shm_dtime); |
| 106 | CVT(shm_ctime); |
| 107 | #undef CVT |
| 108 | } |
| 109 | |
| 110 | static __inline void |
| 111 | __native_to_shmid_ds14(const struct shmid_ds *shmbuf, struct shmid_ds14 *oshmbuf) |
| 112 | { |
| 113 | |
| 114 | __native_to_ipc_perm14(&shmbuf->shm_perm, &oshmbuf->shm_perm); |
| 115 | |
| 116 | #define CVT(x) oshmbuf->x = shmbuf->x |
| 117 | #define CVTI(x) oshmbuf->x = (int)shmbuf->x |
| 118 | CVTI(shm_segsz); |
| 119 | CVT(shm_lpid); |
| 120 | CVT(shm_cpid); |
| 121 | CVT(shm_nattch); |
| 122 | CVTI(shm_atime); |
| 123 | CVTI(shm_dtime); |
| 124 | CVTI(shm_ctime); |
| 125 | #undef CVT |
| 126 | #undef CVTI |
| 127 | } |
| 128 | |
| 129 | static __inline void |
| 130 | __shmid_ds13_to_native(const struct shmid_ds13 *oshmbuf, struct shmid_ds *shmbuf) |
| 131 | { |
| 132 | |
| 133 | shmbuf->shm_perm = oshmbuf->shm_perm; |
| 134 | |
| 135 | #define CVT(x) shmbuf->x = oshmbuf->x |
| 136 | CVT(shm_segsz); |
| 137 | CVT(shm_lpid); |
| 138 | CVT(shm_cpid); |
| 139 | CVT(shm_nattch); |
| 140 | CVT(shm_atime); |
| 141 | CVT(shm_dtime); |
| 142 | CVT(shm_ctime); |
| 143 | #undef CVT |
| 144 | } |
| 145 | |
| 146 | static __inline void |
| 147 | __native_to_shmid_ds13(const struct shmid_ds *shmbuf, struct shmid_ds13 *oshmbuf) |
| 148 | { |
| 149 | |
| 150 | oshmbuf->shm_perm = shmbuf->shm_perm; |
| 151 | |
| 152 | #define CVT(x) oshmbuf->x = shmbuf->x |
| 153 | #define CVTI(x) oshmbuf->x = (int)shmbuf->x |
| 154 | CVT(shm_segsz); |
| 155 | CVT(shm_lpid); |
| 156 | CVT(shm_cpid); |
| 157 | CVT(shm_nattch); |
| 158 | CVTI(shm_atime); |
| 159 | CVTI(shm_dtime); |
| 160 | CVTI(shm_ctime); |
| 161 | #undef CVT |
| 162 | #undef CVTI |
| 163 | } |
| 164 | |
| 165 | int __shmctl13(int, int, struct shmid_ds13 *); |
| 166 | int __shmctl14(int, int, struct shmid_ds14 *); |
| 167 | int __shmctl50(int, int, struct shmid_ds *); |
| 168 | __END_DECLS |
| 169 | |
| 170 | #endif /* !_COMPAT_SYS_SHM_H_ */ |
| 171 | |