Now available: The Design and Implementation of the FreeBSD Operating System (Second Edition)
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FreeBSD/Linux Kernel Cross Reference
sys/emulation/linux/linux_ipc.h
Version:
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1 /*- 2 * Copyright (c) 2000 Marcel Moolenaar 3 * All rights reserved. 4 * 5 * Redistribution and use in source and binary forms, with or without 6 * modification, are permitted provided that the following conditions 7 * are met: 8 * 1. Redistributions of source code must retain the above copyright 9 * notice, this list of conditions and the following disclaimer 10 * in this position and unchanged. 11 * 2. Redistributions in binary form must reproduce the above copyright 12 * notice, this list of conditions and the following disclaimer in the 13 * documentation and/or other materials provided with the distribution. 14 * 3. The name of the author may not be used to endorse or promote products 15 * derived from this software without specific prior written permission. 16 * 17 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR 18 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES 19 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. 20 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, 21 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT 22 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 23 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 24 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 25 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF 26 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 27 * 28 * $FreeBSD: src/sys/compat/linux/linux_ipc.h,v 1.2.2.4 2001/11/05 19:08:22 marcel Exp $ 29 * $DragonFly: src/sys/emulation/linux/linux_ipc.h,v 1.7 2003/11/20 06:05:29 dillon Exp $ 30 */ 31 32 #ifndef _LINUX_IPC_H_ 33 #define _LINUX_IPC_H_ 34 35 #ifdef __i386__ 36 37 38 struct l_msginfo { 39 l_int msgpool; 40 l_int msgmap; 41 l_int msgmax; 42 l_int msgmnb; 43 l_int msgmni; 44 l_int msgssz; 45 l_int msgtql; 46 l_ushort msgseg; 47 }; 48 49 struct linux_msgctl_args 50 { 51 struct sysmsg sysmsg; 52 l_int msqid; 53 l_int cmd; 54 struct l_msqid_ds *buf; 55 }; 56 57 struct linux_msgget_args 58 { 59 struct sysmsg sysmsg; 60 l_key_t key; 61 l_int msgflg; 62 }; 63 64 struct linux_msgrcv_args 65 { 66 struct sysmsg sysmsg; 67 l_int msqid; 68 struct l_msgbuf *msgp; 69 l_size_t msgsz; 70 l_long msgtyp; 71 l_int msgflg; 72 }; 73 74 struct linux_msgsnd_args 75 { 76 struct sysmsg sysmsg; 77 l_int msqid; 78 struct l_msgbuf *msgp; 79 l_size_t msgsz; 80 l_int msgflg; 81 }; 82 83 struct linux_semctl_args 84 { 85 struct sysmsg sysmsg; 86 l_int semid; 87 l_int semnum; 88 l_int cmd; 89 union l_semun arg; 90 }; 91 92 struct linux_semget_args 93 { 94 struct sysmsg sysmsg; 95 l_key_t key; 96 l_int nsems; 97 l_int semflg; 98 }; 99 100 struct linux_semop_args 101 { 102 struct sysmsg sysmsg; 103 l_int semid; 104 struct l_sembuf *tsops; 105 l_uint nsops; 106 }; 107 108 struct linux_shmat_args 109 { 110 struct sysmsg sysmsg; 111 l_int shmid; 112 char *shmaddr; 113 l_int shmflg; 114 l_ulong *raddr; 115 }; 116 117 struct linux_shmctl_args 118 { 119 struct sysmsg sysmsg; 120 l_int shmid; 121 l_int cmd; 122 struct l_shmid_ds *buf; 123 }; 124 125 struct linux_shmdt_args 126 { 127 struct sysmsg sysmsg; 128 char *shmaddr; 129 }; 130 131 struct linux_shmget_args 132 { 133 struct sysmsg sysmsg; 134 l_key_t key; 135 l_size_t size; 136 l_int shmflg; 137 }; 138 139 140 141 struct l_seminfo { 142 l_int semmap; 143 l_int semmni; 144 l_int semmns; 145 l_int semmnu; 146 l_int semmsl; 147 l_int semopm; 148 l_int semume; 149 l_int semusz; 150 l_int semvmx; 151 l_int semaem; 152 }; 153 154 155 struct l_shminfo { 156 l_int shmmax; 157 l_int shmmin; 158 l_int shmmni; 159 l_int shmseg; 160 l_int shmall; 161 }; 162 163 struct l_shm_info { 164 l_int used_ids; 165 l_ulong shm_tot; /* total allocated shm */ 166 l_ulong shm_rss; /* total resident shm */ 167 l_ulong shm_swp; /* total swapped shm */ 168 l_ulong swap_attempts; 169 l_ulong swap_successes; 170 }; 171 172 173 struct l_ipc64_perm 174 { 175 l_key_t key; 176 l_uid_t uid; 177 l_gid_t gid; 178 l_uid_t cuid; 179 l_gid_t cgid; 180 l_mode_t mode; 181 l_ushort __pad1; 182 l_ushort seq; 183 l_ushort __pad2; 184 l_ulong __unused1; 185 l_ulong __unused2; 186 }; 187 188 /* 189 * The msqid64_ds structure for i386 architecture. 190 * Note extra padding because this structure is passed back and forth 191 * between kernel and user space. 192 * 193 * Pad space is left for: 194 * - 64-bit time_t to solve y2038 problem 195 * - 2 miscellaneous 32-bit values 196 */ 197 198 struct l_msqid64_ds { 199 struct l_ipc64_perm msg_perm; 200 l_time_t msg_stime; /* last msgsnd time */ 201 l_ulong __unused1; 202 l_time_t msg_rtime; /* last msgrcv time */ 203 l_ulong __unused2; 204 l_time_t msg_ctime; /* last change time */ 205 l_ulong __unused3; 206 l_ulong msg_cbytes; /* current number of bytes on queue */ 207 l_ulong msg_qnum; /* number of messages in queue */ 208 l_ulong msg_qbytes; /* max number of bytes on queue */ 209 l_pid_t msg_lspid; /* pid of last msgsnd */ 210 l_pid_t msg_lrpid; /* last receive pid */ 211 l_ulong __unused4; 212 l_ulong __unused5; 213 }; 214 215 /* 216 * The semid64_ds structure for i386 architecture. 217 * Note extra padding because this structure is passed back and forth 218 * between kernel and user space. 219 * 220 * Pad space is left for: 221 * - 64-bit time_t to solve y2038 problem 222 * - 2 miscellaneous 32-bit values 223 */ 224 225 struct l_semid64_ds { 226 struct l_ipc64_perm sem_perm; /* permissions */ 227 l_time_t sem_otime; /* last semop time */ 228 l_ulong __unused1; 229 l_time_t sem_ctime; /* last change time */ 230 l_ulong __unused2; 231 l_ulong sem_nsems; /* no. of semaphores in array */ 232 l_ulong __unused3; 233 l_ulong __unused4; 234 }; 235 236 /* 237 * The shmid64_ds structure for i386 architecture. 238 * Note extra padding because this structure is passed back and forth 239 * between kernel and user space. 240 * 241 * Pad space is left for: 242 * - 64-bit time_t to solve y2038 problem 243 * - 2 miscellaneous 32-bit values 244 */ 245 246 struct l_shmid64_ds { 247 struct l_ipc64_perm shm_perm; /* operation perms */ 248 l_size_t shm_segsz; /* size of segment (bytes) */ 249 l_time_t shm_atime; /* last attach time */ 250 l_ulong __unused1; 251 l_time_t shm_dtime; /* last detach time */ 252 l_ulong __unused2; 253 l_time_t shm_ctime; /* last change time */ 254 l_ulong __unused3; 255 l_pid_t shm_cpid; /* pid of creator */ 256 l_pid_t shm_lpid; /* pid of last operator */ 257 l_ulong shm_nattch; /* no. of current attaches */ 258 l_ulong __unused4; 259 l_ulong __unused5; 260 }; 261 262 struct l_shminfo64 { 263 l_ulong shmmax; 264 l_ulong shmmin; 265 l_ulong shmmni; 266 l_ulong shmseg; 267 l_ulong shmall; 268 l_ulong __unused1; 269 l_ulong __unused2; 270 l_ulong __unused3; 271 l_ulong __unused4; 272 }; 273 274 275 struct l_ipc_perm { 276 l_key_t key; 277 l_uid16_t uid; 278 l_gid16_t gid; 279 l_uid16_t cuid; 280 l_gid16_t cgid; 281 l_ushort mode; 282 l_ushort seq; 283 }; 284 285 struct l_msqid_ds { 286 struct l_ipc_perm msg_perm; 287 l_uintptr_t msg_first; /* first message on queue,unused */ 288 l_uintptr_t msg_last; /* last message in queue,unused */ 289 l_time_t msg_stime; /* last msgsnd time */ 290 l_time_t msg_rtime; /* last msgrcv time */ 291 l_time_t msg_ctime; /* last change time */ 292 l_ulong msg_lcbytes; /* Reuse junk fields for 32 bit */ 293 l_ulong msg_lqbytes; /* ditto */ 294 l_ushort msg_cbytes; /* current number of bytes on queue */ 295 l_ushort msg_qnum; /* number of messages in queue */ 296 l_ushort msg_qbytes; /* max number of bytes on queue */ 297 l_pid_t msg_lspid; /* pid of last msgsnd */ 298 l_pid_t msg_lrpid; /* last receive pid */ 299 }; 300 301 struct l_semid_ds { 302 struct l_ipc_perm sem_perm; 303 l_time_t sem_otime; 304 l_time_t sem_ctime; 305 void *sem_base; 306 void *sem_pending; 307 void *sem_pending_last; 308 void *undo; 309 l_ushort sem_nsems; 310 }; 311 312 struct l_shmid_ds { 313 struct l_ipc_perm shm_perm; 314 l_int shm_segsz; 315 l_time_t shm_atime; 316 l_time_t shm_dtime; 317 l_time_t shm_ctime; 318 l_ushort shm_cpid; 319 l_ushort shm_lpid; 320 l_short shm_nattch; 321 l_ushort private1; 322 void *private2; 323 void *private3; 324 }; 325 326 int linux_msgctl (struct linux_msgctl_args *); 327 int linux_msgget (struct linux_msgget_args *); 328 int linux_msgrcv (struct linux_msgrcv_args *); 329 int linux_msgsnd (struct linux_msgsnd_args *); 330 331 int linux_semctl (struct linux_semctl_args *); 332 int linux_semget (struct linux_semget_args *); 333 int linux_semop (struct linux_semop_args *); 334 335 int linux_shmat (struct linux_shmat_args *); 336 int linux_shmctl (struct linux_shmctl_args *); 337 int linux_shmdt (struct linux_shmdt_args *); 338 int linux_shmget (struct linux_shmget_args *); 339 #define LINUX_MSG_INFO 12 340 #define LINUX_IPC_64 0x0100 /* New version (support 32-bit UIDs, bigger */ 341 #endif /* __i386__ */ 342 343 #endif /* _LINUX_IPC_H_ */
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