1 /* Licensed to the Apache Software Foundation (ASF) under one or more 2 * contributor license agreements. See the NOTICE file distributed with 3 * this work for additional information regarding copyright ownership. 4 * The ASF licenses this file to You under the Apache License, Version 2.0 5 * (the "License"); you may not use this file except in compliance with 6 * the License. You may obtain a copy of the License at 7 * 8 * http://www.apache.org/licenses/LICENSE-2.0 9 * 10 * Unless required by applicable law or agreed to in writing, software 11 * distributed under the License is distributed on an "AS IS" BASIS, 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13 * See the License for the specific language governing permissions and 14 * limitations under the License. 15 */ 16 17 /* This header file is where you should put ANY platform specific information. 18 * This should be the only header file that programs need to include that 19 * actually has platform dependent code which refers to the . 20 */ 21 #ifndef APR_PORTABLE_H 22 #define APR_PORTABLE_H 23 /** 24 * @file apr_portable.h 25 * @brief APR Portability Routines 26 */ 27 28 #include "apr.h" 29 #include "apr_pools.h" 30 #include "apr_thread_proc.h" 31 #include "apr_file_io.h" 32 #include "apr_network_io.h" 33 #include "apr_errno.h" 34 #include "apr_global_mutex.h" 35 #include "apr_proc_mutex.h" 36 #include "apr_time.h" 37 #include "apr_dso.h" 38 #include "apr_shm.h" 39 40 #if APR_HAVE_DIRENT_H 41 #include <dirent.h> 42 #endif 43 #if APR_HAVE_FCNTL_H 44 #include <fcntl.h> 45 #endif 46 #if APR_HAVE_PTHREAD_H 47 #include <pthread.h> 48 #endif 49 50 #ifdef __cplusplus 51 extern "C" { 52 #endif /* __cplusplus */ 53 54 /** 55 * @defgroup apr_portabile Portability Routines 56 * @ingroup APR 57 * @{ 58 */ 59 60 #ifdef WIN32 61 /* The primitives for Windows types */ 62 typedef HANDLE apr_os_file_t; 63 typedef HANDLE apr_os_dir_t; 64 typedef SOCKET apr_os_sock_t; 65 typedef HANDLE apr_os_proc_mutex_t; 66 typedef HANDLE apr_os_thread_t; 67 typedef HANDLE apr_os_proc_t; 68 typedef DWORD apr_os_threadkey_t; 69 typedef FILETIME apr_os_imp_time_t; 70 typedef SYSTEMTIME apr_os_exp_time_t; 71 typedef HANDLE apr_os_dso_handle_t; 72 typedef HANDLE apr_os_shm_t; 73 74 #elif defined(OS2) 75 typedef HFILE apr_os_file_t; 76 typedef HDIR apr_os_dir_t; 77 typedef int apr_os_sock_t; 78 typedef HMTX apr_os_proc_mutex_t; 79 typedef TID apr_os_thread_t; 80 typedef PID apr_os_proc_t; 81 typedef PULONG apr_os_threadkey_t; 82 typedef struct timeval apr_os_imp_time_t; 83 typedef struct tm apr_os_exp_time_t; 84 typedef HMODULE apr_os_dso_handle_t; 85 typedef void* apr_os_shm_t; 86 87 #elif defined(__BEOS__) 88 #include <kernel/OS.h> 89 #include <kernel/image.h> 90 91 struct apr_os_proc_mutex_t { 92 sem_id sem; 93 int32 ben; 94 }; 95 96 typedef int apr_os_file_t; 97 typedef DIR apr_os_dir_t; 98 typedef int apr_os_sock_t; 99 typedef struct apr_os_proc_mutex_t apr_os_proc_mutex_t; 100 typedef thread_id apr_os_thread_t; 101 typedef thread_id apr_os_proc_t; 102 typedef int apr_os_threadkey_t; 103 typedef struct timeval apr_os_imp_time_t; 104 typedef struct tm apr_os_exp_time_t; 105 typedef image_id apr_os_dso_handle_t; 106 typedef void* apr_os_shm_t; 107 108 #elif defined(NETWARE) 109 typedef int apr_os_file_t; 110 typedef DIR apr_os_dir_t; 111 typedef int apr_os_sock_t; 112 typedef NXMutex_t apr_os_proc_mutex_t; 113 typedef NXThreadId_t apr_os_thread_t; 114 typedef long apr_os_proc_t; 115 typedef NXKey_t apr_os_threadkey_t; 116 typedef struct timeval apr_os_imp_time_t; 117 typedef struct tm apr_os_exp_time_t; 118 typedef void * apr_os_dso_handle_t; 119 typedef void* apr_os_shm_t; 120 121 #else 122 /* Any other OS should go above this one. This is the lowest common 123 * denominator typedefs for all UNIX-like systems. :) 124 */ 125 126 /** Basic OS process mutex structure. */ 127 struct apr_os_proc_mutex_t { 128 #if APR_HAS_SYSVSEM_SERIALIZE || APR_HAS_FCNTL_SERIALIZE || APR_HAS_FLOCK_SERIALIZE 129 /** Value used for SYS V Semaphore, FCNTL and FLOCK serialization */ 130 int crossproc; 131 #endif 132 #if APR_HAS_PROC_PTHREAD_SERIALIZE 133 /** Value used for PTHREAD serialization */ 134 pthread_mutex_t *pthread_interproc; 135 #endif 136 #if APR_HAS_THREADS 137 /* If no threads, no need for thread locks */ 138 #if APR_USE_PTHREAD_SERIALIZE 139 /** This value is currently unused within APR and Apache */ 140 pthread_mutex_t *intraproc; 141 #endif 142 #endif 143 }; 144 145 typedef int apr_os_file_t; /**< native file */ 146 typedef DIR apr_os_dir_t; /**< native dir */ 147 typedef int apr_os_sock_t; /**< native dir */ 148 typedef struct apr_os_proc_mutex_t apr_os_proc_mutex_t; /**< native process 149 * mutex 150 */ 151 #if APR_HAS_THREADS && APR_HAVE_PTHREAD_H 152 typedef pthread_t apr_os_thread_t; /**< native thread */ 153 typedef pthread_key_t apr_os_threadkey_t; /**< native thread address 154 * space */ 155 #endif 156 typedef pid_t apr_os_proc_t; /**< native pid */ 157 typedef struct timeval apr_os_imp_time_t; /**< native timeval */ 158 typedef struct tm apr_os_exp_time_t; /**< native tm */ 159 /** @var apr_os_dso_handle_t 160 * native dso types 161 */ 162 #if defined(HPUX) || defined(HPUX10) || defined(HPUX11) 163 #include <dl.h> 164 typedef shl_t apr_os_dso_handle_t; 165 #elif defined(DARWIN) 166 #include <mach-o/dyld.h> 167 typedef NSModule apr_os_dso_handle_t; 168 #else 169 typedef void * apr_os_dso_handle_t; 170 #endif 171 typedef void* apr_os_shm_t; /**< native SHM */ 172 173 #endif 174 175 /** 176 * @typedef apr_os_sock_info_t 177 * @brief alias for local OS socket 178 */ 179 /** 180 * everything APR needs to know about an active socket to construct 181 * an APR socket from it; currently, this is platform-independent 182 */ 183 struct apr_os_sock_info_t { 184 apr_os_sock_t *os_sock; /**< always required */ 185 struct sockaddr *local; /**< NULL if not yet bound */ 186 struct sockaddr *remote; /**< NULL if not connected */ 187 int family; /**< always required (APR_INET, APR_INET6, etc.) */ 188 int type; /**< always required (SOCK_STREAM, SOCK_DGRAM, etc.) */ 189 int protocol; /**< 0 or actual protocol (APR_PROTO_SCTP, APR_PROTO_TCP, etc.) */ 190 }; 191 192 typedef struct apr_os_sock_info_t apr_os_sock_info_t; 193 194 #if APR_PROC_MUTEX_IS_GLOBAL || defined(DOXYGEN) 195 /** Opaque global mutex type */ 196 #define apr_os_global_mutex_t apr_os_proc_mutex_t 197 /** @return apr_os_global_mutex */ 198 #define apr_os_global_mutex_get apr_os_proc_mutex_get 199 #else 200 /** Thread and process mutex for those platforms where process mutexes 201 * are not held in threads. 202 */ 203 struct apr_os_global_mutex_t { 204 apr_pool_t *pool; 205 apr_proc_mutex_t *proc_mutex; 206 #if APR_HAS_THREADS 207 apr_thread_mutex_t *thread_mutex; 208 #endif /* APR_HAS_THREADS */ 209 }; 210 typedef struct apr_os_global_mutex_t apr_os_global_mutex_t; 211 212 APR_DECLARE(apr_status_t) apr_os_global_mutex_get(apr_os_global_mutex_t *ospmutex, 213 apr_global_mutex_t *pmutex); 214 #endif 215 216 217 /** 218 * convert the file from apr type to os specific type. 219 * @param thefile The os specific file we are converting to 220 * @param file The apr file to convert. 221 * @remark On Unix, it is only possible to get a file descriptor from 222 * an apr file type. 223 */ 224 APR_DECLARE(apr_status_t) apr_os_file_get(apr_os_file_t *thefile, 225 apr_file_t *file); 226 227 /** 228 * convert the dir from apr type to os specific type. 229 * @param thedir The os specific dir we are converting to 230 * @param dir The apr dir to convert. 231 */ 232 APR_DECLARE(apr_status_t) apr_os_dir_get(apr_os_dir_t **thedir, 233 apr_dir_t *dir); 234 235 /** 236 * Convert the socket from an apr type to an OS specific socket 237 * @param thesock The socket to convert. 238 * @param sock The os specific equivalent of the apr socket.. 239 */ 240 APR_DECLARE(apr_status_t) apr_os_sock_get(apr_os_sock_t *thesock, 241 apr_socket_t *sock); 242 243 /** 244 * Convert the proc mutex from os specific type to apr type 245 * @param ospmutex The os specific proc mutex we are converting to. 246 * @param pmutex The apr proc mutex to convert. 247 */ 248 APR_DECLARE(apr_status_t) apr_os_proc_mutex_get(apr_os_proc_mutex_t *ospmutex, 249 apr_proc_mutex_t *pmutex); 250 251 /** 252 * Get the exploded time in the platforms native format. 253 * @param ostime the native time format 254 * @param aprtime the time to convert 255 */ 256 APR_DECLARE(apr_status_t) apr_os_exp_time_get(apr_os_exp_time_t **ostime, 257 apr_time_exp_t *aprtime); 258 259 /** 260 * Get the imploded time in the platforms native format. 261 * @param ostime the native time format 262 * @param aprtime the time to convert 263 */ 264 APR_DECLARE(apr_status_t) apr_os_imp_time_get(apr_os_imp_time_t **ostime, 265 apr_time_t *aprtime); 266 267 /** 268 * convert the shm from apr type to os specific type. 269 * @param osshm The os specific shm representation 270 * @param shm The apr shm to convert. 271 */ 272 APR_DECLARE(apr_status_t) apr_os_shm_get(apr_os_shm_t *osshm, 273 apr_shm_t *shm); 274 275 #if APR_HAS_THREADS || defined(DOXYGEN) 276 /** 277 * @defgroup apr_os_thread Thread portability Routines 278 * @{ 279 */ 280 /** 281 * convert the thread to os specific type from apr type. 282 * @param thethd The apr thread to convert 283 * @param thd The os specific thread we are converting to 284 */ 285 APR_DECLARE(apr_status_t) apr_os_thread_get(apr_os_thread_t **thethd, 286 apr_thread_t *thd); 287 288 /** 289 * convert the thread private memory key to os specific type from an apr type. 290 * @param thekey The apr handle we are converting from. 291 * @param key The os specific handle we are converting to. 292 */ 293 APR_DECLARE(apr_status_t) apr_os_threadkey_get(apr_os_threadkey_t *thekey, 294 apr_threadkey_t *key); 295 296 /** 297 * convert the thread from os specific type to apr type. 298 * @param thd The apr thread we are converting to. 299 * @param thethd The os specific thread to convert 300 * @param cont The pool to use if it is needed. 301 */ 302 APR_DECLARE(apr_status_t) apr_os_thread_put(apr_thread_t **thd, 303 apr_os_thread_t *thethd, 304 apr_pool_t *cont); 305 306 /** 307 * convert the thread private memory key from os specific type to apr type. 308 * @param key The apr handle we are converting to. 309 * @param thekey The os specific handle to convert 310 * @param cont The pool to use if it is needed. 311 */ 312 APR_DECLARE(apr_status_t) apr_os_threadkey_put(apr_threadkey_t **key, 313 apr_os_threadkey_t *thekey, 314 apr_pool_t *cont); 315 /** 316 * Get the thread ID 317 */ 318 APR_DECLARE(apr_os_thread_t) apr_os_thread_current(void); 319 320 /** 321 * Compare two thread id's 322 * @param tid1 1st Thread ID to compare 323 * @param tid2 2nd Thread ID to compare 324 * @return non-zero if the two threads are equal, zero otherwise 325 */ 326 APR_DECLARE(int) apr_os_thread_equal(apr_os_thread_t tid1, 327 apr_os_thread_t tid2); 328 329 /** @} */ 330 #endif /* APR_HAS_THREADS */ 331 332 /** 333 * convert the file from os specific type to apr type. 334 * @param file The apr file we are converting to. 335 * @param thefile The os specific file to convert 336 * @param flags The flags that were used to open this file. 337 * @param cont The pool to use if it is needed. 338 * @remark On Unix, it is only possible to put a file descriptor into 339 * an apr file type. 340 */ 341 APR_DECLARE(apr_status_t) apr_os_file_put(apr_file_t **file, 342 apr_os_file_t *thefile, 343 apr_int32_t flags, apr_pool_t *cont); 344 345 /** 346 * convert the file from os specific type to apr type. 347 * @param file The apr file we are converting to. 348 * @param thefile The os specific pipe to convert 349 * @param cont The pool to use if it is needed. 350 * @remark On Unix, it is only possible to put a file descriptor into 351 * an apr file type. 352 */ 353 APR_DECLARE(apr_status_t) apr_os_pipe_put(apr_file_t **file, 354 apr_os_file_t *thefile, 355 apr_pool_t *cont); 356 357 /** 358 * convert the file from os specific type to apr type. 359 * @param file The apr file we are converting to. 360 * @param thefile The os specific pipe to convert 361 * @param register_cleanup A cleanup will be registered on the apr_file_t 362 * to issue apr_file_close(). 363 * @param cont The pool to use if it is needed. 364 * @remark On Unix, it is only possible to put a file descriptor into 365 * an apr file type. 366 */ 367 APR_DECLARE(apr_status_t) apr_os_pipe_put_ex(apr_file_t **file, 368 apr_os_file_t *thefile, 369 int register_cleanup, 370 apr_pool_t *cont); 371 372 /** 373 * convert the dir from os specific type to apr type. 374 * @param dir The apr dir we are converting to. 375 * @param thedir The os specific dir to convert 376 * @param cont The pool to use when creating to apr directory. 377 */ 378 APR_DECLARE(apr_status_t) apr_os_dir_put(apr_dir_t **dir, 379 apr_os_dir_t *thedir, 380 apr_pool_t *cont); 381 382 /** 383 * Convert a socket from the os specific type to the apr type 384 * @param sock The pool to use. 385 * @param thesock The socket to convert to. 386 * @param cont The socket we are converting to an apr type. 387 * @remark If it is a true socket, it is best to call apr_os_sock_make() 388 * and provide APR with more information about the socket. 389 */ 390 APR_DECLARE(apr_status_t) apr_os_sock_put(apr_socket_t **sock, 391 apr_os_sock_t *thesock, 392 apr_pool_t *cont); 393 394 /** 395 * Create a socket from an existing descriptor and local and remote 396 * socket addresses. 397 * @param apr_sock The new socket that has been set up 398 * @param os_sock_info The os representation of the socket handle and 399 * other characteristics of the socket 400 * @param cont The pool to use 401 * @remark If you only know the descriptor/handle or if it isn't really 402 * a true socket, use apr_os_sock_put() instead. 403 */ 404 APR_DECLARE(apr_status_t) apr_os_sock_make(apr_socket_t **apr_sock, 405 apr_os_sock_info_t *os_sock_info, 406 apr_pool_t *cont); 407 408 /** 409 * Convert the proc mutex from os specific type to apr type 410 * @param pmutex The apr proc mutex we are converting to. 411 * @param ospmutex The os specific proc mutex to convert. 412 * @param cont The pool to use if it is needed. 413 */ 414 APR_DECLARE(apr_status_t) apr_os_proc_mutex_put(apr_proc_mutex_t **pmutex, 415 apr_os_proc_mutex_t *ospmutex, 416 apr_pool_t *cont); 417 418 /** 419 * Put the imploded time in the APR format. 420 * @param aprtime the APR time format 421 * @param ostime the time to convert 422 * @param cont the pool to use if necessary 423 */ 424 APR_DECLARE(apr_status_t) apr_os_imp_time_put(apr_time_t *aprtime, 425 apr_os_imp_time_t **ostime, 426 apr_pool_t *cont); 427 428 /** 429 * Put the exploded time in the APR format. 430 * @param aprtime the APR time format 431 * @param ostime the time to convert 432 * @param cont the pool to use if necessary 433 */ 434 APR_DECLARE(apr_status_t) apr_os_exp_time_put(apr_time_exp_t *aprtime, 435 apr_os_exp_time_t **ostime, 436 apr_pool_t *cont); 437 438 /** 439 * convert the shared memory from os specific type to apr type. 440 * @param shm The apr shm representation of osshm 441 * @param osshm The os specific shm identity 442 * @param cont The pool to use if it is needed. 443 * @remark On fork()ed architectures, this is typically nothing more than 444 * the memory block mapped. On non-fork architectures, this is typically 445 * some internal handle to pass the mapping from process to process. 446 */ 447 APR_DECLARE(apr_status_t) apr_os_shm_put(apr_shm_t **shm, 448 apr_os_shm_t *osshm, 449 apr_pool_t *cont); 450 451 452 #if APR_HAS_DSO || defined(DOXYGEN) 453 /** 454 * @defgroup apr_os_dso DSO (Dynamic Loading) Portability Routines 455 * @{ 456 */ 457 /** 458 * convert the dso handle from os specific to apr 459 * @param dso The apr handle we are converting to 460 * @param thedso the os specific handle to convert 461 * @param pool the pool to use if it is needed 462 */ 463 APR_DECLARE(apr_status_t) apr_os_dso_handle_put(apr_dso_handle_t **dso, 464 apr_os_dso_handle_t thedso, 465 apr_pool_t *pool); 466 467 /** 468 * convert the apr dso handle into an os specific one 469 * @param aprdso The apr dso handle to convert 470 * @param dso The os specific dso to return 471 */ 472 APR_DECLARE(apr_status_t) apr_os_dso_handle_get(apr_os_dso_handle_t *dso, 473 apr_dso_handle_t *aprdso); 474 475 /** @} */ 476 #endif /* APR_HAS_DSO */ 477 478 479 #if APR_HAS_OS_UUID 480 /** 481 * Private: apr-util's apr_uuid module when supported by the platform 482 */ 483 APR_DECLARE(apr_status_t) apr_os_uuid_get(unsigned char *uuid_data); 484 #endif 485 486 487 /** 488 * Get the name of the system default character set. 489 * @param pool the pool to allocate the name from, if needed 490 */ 491 APR_DECLARE(const char*) apr_os_default_encoding(apr_pool_t *pool); 492 493 494 /** 495 * Get the name of the current locale character set. 496 * @param pool the pool to allocate the name from, if needed 497 * @remark Defers to apr_os_default_encoding if the current locale's 498 * data can't be retrieved on this system. 499 */ 500 APR_DECLARE(const char*) apr_os_locale_encoding(apr_pool_t *pool); 501 502 /** @} */ 503 504 #ifdef __cplusplus 505 } 506 #endif 507 508 #endif /* ! APR_PORTABLE_H */ 509