| 1 | /* This is an implementation of the threads API of POSIX 1003.1-2001. |
| 2 | * |
| 3 | * -------------------------------------------------------------------------- |
| 4 | * |
| 5 | * Pthreads-win32 - POSIX Threads Library for Win32 |
| 6 | * Copyright(C) 1998 John E. Bossom |
| 7 | * Copyright(C) 1999,2005 Pthreads-win32 contributors |
| 8 | * |
| 9 | * Contact Email: rpj@callisto.canberra.edu.au |
| 10 | * |
| 11 | * The current list of contributors is contained |
| 12 | * in the file CONTRIBUTORS included with the source |
| 13 | * code distribution. The list can also be seen at the |
| 14 | * following World Wide Web location: |
| 15 | * http://sources.redhat.com/pthreads-win32/contributors.html |
| 16 | * |
| 17 | * This library is free software; you can redistribute it and/or |
| 18 | * modify it under the terms of the GNU Lesser General Public |
| 19 | * License as published by the Free Software Foundation; either |
| 20 | * version 2 of the License, or (at your option) any later version. |
| 21 | * |
| 22 | * This library is distributed in the hope that it will be useful, |
| 23 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 24 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
| 25 | * Lesser General Public License for more details. |
| 26 | * |
| 27 | * You should have received a copy of the GNU Lesser General Public |
| 28 | * License along with this library in the file COPYING.LIB; |
| 29 | * if not, write to the Free Software Foundation, Inc., |
| 30 | * 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA |
| 31 | */ |
| 32 | |
| 33 | #if !defined( PTHREAD_H ) |
| 34 | #define PTHREAD_H |
| 35 | |
| 36 | /* |
| 37 | * See the README file for an explanation of the pthreads-win32 version |
| 38 | * numbering scheme and how the DLL is named etc. |
| 39 | */ |
| 40 | #define PTW32_VERSION 2,8,0,0 |
| 41 | #define PTW32_VERSION_STRING "2, 8, 0, 0\0" |
| 42 | |
| 43 | /* There are three implementations of cancel cleanup. |
| 44 | * Note that pthread.h is included in both application |
| 45 | * compilation units and also internally for the library. |
| 46 | * The code here and within the library aims to work |
| 47 | * for all reasonable combinations of environments. |
| 48 | * |
| 49 | * The three implementations are: |
| 50 | * |
| 51 | * WIN32 SEH |
| 52 | * C |
| 53 | * C++ |
| 54 | * |
| 55 | * Please note that exiting a push/pop block via |
| 56 | * "return", "exit", "break", or "continue" will |
| 57 | * lead to different behaviour amongst applications |
| 58 | * depending upon whether the library was built |
| 59 | * using SEH, C++, or C. For example, a library built |
| 60 | * with SEH will call the cleanup routine, while both |
| 61 | * C++ and C built versions will not. |
| 62 | */ |
| 63 | |
| 64 | /* |
| 65 | * Define defaults for cleanup code. |
| 66 | * Note: Unless the build explicitly defines one of the following, then |
| 67 | * we default to standard C style cleanup. This style uses setjmp/longjmp |
| 68 | * in the cancelation and thread exit implementations and therefore won't |
| 69 | * do stack unwinding if linked to applications that have it (e.g. |
| 70 | * C++ apps). This is currently consistent with most/all commercial Unix |
| 71 | * POSIX threads implementations. |
| 72 | */ |
| 73 | #if !defined( __CLEANUP_SEH ) && !defined( __CLEANUP_CXX ) && !defined( __CLEANUP_C ) |
| 74 | # define __CLEANUP_C |
| 75 | #endif |
| 76 | |
| 77 | #if defined( __CLEANUP_SEH ) && ( !defined( _MSC_VER ) && !defined(PTW32_RC_MSC)) |
| 78 | #error ERROR [__FILE__, line __LINE__]: SEH is not supported for this compiler. |
| 79 | #endif |
| 80 | |
| 81 | /* |
| 82 | * Stop here if we are being included by the resource compiler. |
| 83 | */ |
| 84 | #ifndef RC_INVOKED |
| 85 | |
| 86 | #undef PTW32_LEVEL |
| 87 | |
| 88 | #if defined(_POSIX_SOURCE) |
| 89 | #define PTW32_LEVEL 0 |
| 90 | /* Early POSIX */ |
| 91 | #endif |
| 92 | |
| 93 | #if defined(_POSIX_C_SOURCE) && _POSIX_C_SOURCE >= 199309 |
| 94 | #undef PTW32_LEVEL |
| 95 | #define PTW32_LEVEL 1 |
| 96 | /* Include 1b, 1c and 1d */ |
| 97 | #endif |
| 98 | |
| 99 | #if defined(INCLUDE_NP) |
| 100 | #undef PTW32_LEVEL |
| 101 | #define PTW32_LEVEL 2 |
| 102 | /* Include Non-Portable extensions */ |
| 103 | #endif |
| 104 | |
| 105 | #define PTW32_LEVEL_MAX 3 |
| 106 | |
| 107 | #if !defined(PTW32_LEVEL) |
| 108 | #define PTW32_LEVEL PTW32_LEVEL_MAX |
| 109 | /* Include everything */ |
| 110 | #endif |
| 111 | |
| 112 | #ifdef _UWIN |
| 113 | # define HAVE_STRUCT_TIMESPEC 1 |
| 114 | # define HAVE_SIGNAL_H 1 |
| 115 | # undef HAVE_CONFIG_H |
| 116 | # pragma comment(lib, "pthread") |
| 117 | #endif |
| 118 | |
| 119 | /* |
| 120 | * ------------------------------------------------------------- |
| 121 | * |
| 122 | * |
| 123 | * Module: pthread.h |
| 124 | * |
| 125 | * Purpose: |
| 126 | * Provides an implementation of PThreads based upon the |
| 127 | * standard: |
| 128 | * |
| 129 | * POSIX 1003.1-2001 |
| 130 | * and |
| 131 | * The Single Unix Specification version 3 |
| 132 | * |
| 133 | * (these two are equivalent) |
| 134 | * |
| 135 | * in order to enhance code portability between Windows, |
| 136 | * various commercial Unix implementations, and Linux. |
| 137 | * |
| 138 | * See the ANNOUNCE file for a full list of conforming |
| 139 | * routines and defined constants, and a list of missing |
| 140 | * routines and constants not defined in this implementation. |
| 141 | * |
| 142 | * Authors: |
| 143 | * There have been many contributors to this library. |
| 144 | * The initial implementation was contributed by |
| 145 | * John Bossom, and several others have provided major |
| 146 | * sections or revisions of parts of the implementation. |
| 147 | * Often significant effort has been contributed to |
| 148 | * find and fix important bugs and other problems to |
| 149 | * improve the reliability of the library, which sometimes |
| 150 | * is not reflected in the amount of code which changed as |
| 151 | * result. |
| 152 | * As much as possible, the contributors are acknowledged |
| 153 | * in the ChangeLog file in the source code distribution |
| 154 | * where their changes are noted in detail. |
| 155 | * |
| 156 | * Contributors are listed in the CONTRIBUTORS file. |
| 157 | * |
| 158 | * As usual, all bouquets go to the contributors, and all |
| 159 | * brickbats go to the project maintainer. |
| 160 | * |
| 161 | * Maintainer: |
| 162 | * The code base for this project is coordinated and |
| 163 | * eventually pre-tested, packaged, and made available by |
| 164 | * |
| 165 | * Ross Johnson <rpj@callisto.canberra.edu.au> |
| 166 | * |
| 167 | * QA Testers: |
| 168 | * Ultimately, the library is tested in the real world by |
| 169 | * a host of competent and demanding scientists and |
| 170 | * engineers who report bugs and/or provide solutions |
| 171 | * which are then fixed or incorporated into subsequent |
| 172 | * versions of the library. Each time a bug is fixed, a |
| 173 | * test case is written to prove the fix and ensure |
| 174 | * that later changes to the code don't reintroduce the |
| 175 | * same error. The number of test cases is slowly growing |
| 176 | * and therefore so is the code reliability. |
| 177 | * |
| 178 | * Compliance: |
| 179 | * See the file ANNOUNCE for the list of implemented |
| 180 | * and not-implemented routines and defined options. |
| 181 | * Of course, these are all defined is this file as well. |
| 182 | * |
| 183 | * Web site: |
| 184 | * The source code and other information about this library |
| 185 | * are available from |
| 186 | * |
| 187 | * http://sources.redhat.com/pthreads-win32/ |
| 188 | * |
| 189 | * ------------------------------------------------------------- |
| 190 | */ |
| 191 | |
| 192 | /* Try to avoid including windows.h */ |
| 193 | #if defined(__MINGW32__) && defined(__cplusplus) |
| 194 | #define PTW32_INCLUDE_WINDOWS_H |
| 195 | #endif |
| 196 | |
| 197 | #ifdef PTW32_INCLUDE_WINDOWS_H |
| 198 | #include <windows.h> |
| 199 | #endif |
| 200 | |
| 201 | #if defined(_MSC_VER) && _MSC_VER < 1300 || defined(__DMC__) |
| 202 | /* |
| 203 | * VC++6.0 or early compiler's header has no DWORD_PTR type. |
| 204 | */ |
| 205 | typedef unsigned long DWORD_PTR; |
| 206 | #endif |
| 207 | /* |
| 208 | * ----------------- |
| 209 | * autoconf switches |
| 210 | * ----------------- |
| 211 | */ |
| 212 | |
| 213 | #if HAVE_CONFIG_H |
| 214 | #include "config.h" |
| 215 | #endif /* HAVE_CONFIG_H */ |
| 216 | |
| 217 | #ifndef NEED_FTIME |
| 218 | #include <time.h> |
| 219 | #else /* NEED_FTIME */ |
| 220 | /* use native WIN32 time API */ |
| 221 | #endif /* NEED_FTIME */ |
| 222 | |
| 223 | #if HAVE_SIGNAL_H |
| 224 | #include <signal.h> |
| 225 | #endif /* HAVE_SIGNAL_H */ |
| 226 | |
| 227 | #include <setjmp.h> |
| 228 | #include <limits.h> |
| 229 | |
| 230 | /* |
| 231 | * Boolean values to make us independent of system includes. |
| 232 | */ |
| 233 | enum { |
| 234 | PTW32_FALSE = 0, |
| 235 | PTW32_TRUE = (! PTW32_FALSE) |
| 236 | }; |
| 237 | |
| 238 | /* |
| 239 | * This is a duplicate of what is in the autoconf config.h, |
| 240 | * which is only used when building the pthread-win32 libraries. |
| 241 | */ |
| 242 | |
| 243 | #ifndef PTW32_CONFIG_H |
| 244 | # if defined(WINCE) |
| 245 | # define NEED_ERRNO |
| 246 | # define NEED_SEM |
| 247 | # endif |
| 248 | # if defined(_UWIN) || defined(__MINGW32__) |
| 249 | # define HAVE_MODE_T |
| 250 | # endif |
| 251 | #endif |
| 252 | |
| 253 | /* |
| 254 | * |
| 255 | */ |
| 256 | |
| 257 | #if PTW32_LEVEL >= PTW32_LEVEL_MAX |
| 258 | #ifdef NEED_ERRNO |
| 259 | #include "need_errno.h" |
| 260 | #else |
| 261 | #include <errno.h> |
| 262 | #endif |
| 263 | #endif /* PTW32_LEVEL >= PTW32_LEVEL_MAX */ |
| 264 | |
| 265 | /* |
| 266 | * Several systems don't define some error numbers. |
| 267 | */ |
| 268 | #ifndef ENOTSUP |
| 269 | # define ENOTSUP 48 /* This is the value in Solaris. */ |
| 270 | #endif |
| 271 | |
| 272 | #ifndef ETIMEDOUT |
| 273 | # define ETIMEDOUT 10060 /* This is the value in winsock.h. */ |
| 274 | #endif |
| 275 | |
| 276 | #ifndef ENOSYS |
| 277 | # define ENOSYS 140 /* Semi-arbitrary value */ |
| 278 | #endif |
| 279 | |
| 280 | #ifndef EDEADLK |
| 281 | # ifdef EDEADLOCK |
| 282 | # define EDEADLK EDEADLOCK |
| 283 | # else |
| 284 | # define EDEADLK 36 /* This is the value in MSVC. */ |
| 285 | # endif |
| 286 | #endif |
| 287 | |
| 288 | #include "sched.h" |
| 289 | |
| 290 | /* |
| 291 | * To avoid including windows.h we define only those things that we |
| 292 | * actually need from it. |
| 293 | */ |
| 294 | #ifndef PTW32_INCLUDE_WINDOWS_H |
| 295 | #ifndef HANDLE |
| 296 | # define PTW32__HANDLE_DEF |
| 297 | # define HANDLE void * |
| 298 | #endif |
| 299 | #ifndef DWORD |
| 300 | # define PTW32__DWORD_DEF |
| 301 | # define DWORD unsigned long |
| 302 | #endif |
| 303 | #endif |
| 304 | |
| 305 | #ifndef HAVE_STRUCT_TIMESPEC |
| 306 | #define HAVE_STRUCT_TIMESPEC 1 |
| 307 | struct timespec { |
| 308 | long tv_sec; |
| 309 | long tv_nsec; |
| 310 | }; |
| 311 | #endif /* HAVE_STRUCT_TIMESPEC */ |
| 312 | |
| 313 | #ifndef SIG_BLOCK |
| 314 | #define SIG_BLOCK 0 |
| 315 | #endif /* SIG_BLOCK */ |
| 316 | |
| 317 | #ifndef SIG_UNBLOCK |
| 318 | #define SIG_UNBLOCK 1 |
| 319 | #endif /* SIG_UNBLOCK */ |
| 320 | |
| 321 | #ifndef SIG_SETMASK |
| 322 | #define SIG_SETMASK 2 |
| 323 | #endif /* SIG_SETMASK */ |
| 324 | |
| 325 | #ifdef __cplusplus |
| 326 | extern "C" |
| 327 | { |
| 328 | #endif /* __cplusplus */ |
| 329 | |
| 330 | /* |
| 331 | * ------------------------------------------------------------- |
| 332 | * |
| 333 | * POSIX 1003.1-2001 Options |
| 334 | * ========================= |
| 335 | * |
| 336 | * Options are normally set in <unistd.h>, which is not provided |
| 337 | * with pthreads-win32. |
| 338 | * |
| 339 | * For conformance with the Single Unix Specification (version 3), all of the |
| 340 | * options below are defined, and have a value of either -1 (not supported) |
| 341 | * or 200112L (supported). |
| 342 | * |
| 343 | * These options can neither be left undefined nor have a value of 0, because |
| 344 | * either indicates that sysconf(), which is not implemented, may be used at |
| 345 | * runtime to check the status of the option. |
| 346 | * |
| 347 | * _POSIX_THREADS (== 200112L) |
| 348 | * If == 200112L, you can use threads |
| 349 | * |
| 350 | * _POSIX_THREAD_ATTR_STACKSIZE (== 200112L) |
| 351 | * If == 200112L, you can control the size of a thread's |
| 352 | * stack |
| 353 | * pthread_attr_getstacksize |
| 354 | * pthread_attr_setstacksize |
| 355 | * |
| 356 | * _POSIX_THREAD_ATTR_STACKADDR (== -1) |
| 357 | * If == 200112L, you can allocate and control a thread's |
| 358 | * stack. If not supported, the following functions |
| 359 | * will return ENOSYS, indicating they are not |
| 360 | * supported: |
| 361 | * pthread_attr_getstackaddr |
| 362 | * pthread_attr_setstackaddr |
| 363 | * |
| 364 | * _POSIX_THREAD_PRIORITY_SCHEDULING (== -1) |
| 365 | * If == 200112L, you can use realtime scheduling. |
| 366 | * This option indicates that the behaviour of some |
| 367 | * implemented functions conforms to the additional TPS |
| 368 | * requirements in the standard. E.g. rwlocks favour |
| 369 | * writers over readers when threads have equal priority. |
| 370 | * |
| 371 | * _POSIX_THREAD_PRIO_INHERIT (== -1) |
| 372 | * If == 200112L, you can create priority inheritance |
| 373 | * mutexes. |
| 374 | * pthread_mutexattr_getprotocol + |
| 375 | * pthread_mutexattr_setprotocol + |
| 376 | * |
| 377 | * _POSIX_THREAD_PRIO_PROTECT (== -1) |
| 378 | * If == 200112L, you can create priority ceiling mutexes |
| 379 | * Indicates the availability of: |
| 380 | * pthread_mutex_getprioceiling |
| 381 | * pthread_mutex_setprioceiling |
| 382 | * pthread_mutexattr_getprioceiling |
| 383 | * pthread_mutexattr_getprotocol + |
| 384 | * pthread_mutexattr_setprioceiling |
| 385 | * pthread_mutexattr_setprotocol + |
| 386 | * |
| 387 | * _POSIX_THREAD_PROCESS_SHARED (== -1) |
| 388 | * If set, you can create mutexes and condition |
| 389 | * variables that can be shared with another |
| 390 | * process.If set, indicates the availability |
| 391 | * of: |
| 392 | * pthread_mutexattr_getpshared |
| 393 | * pthread_mutexattr_setpshared |
| 394 | * pthread_condattr_getpshared |
| 395 | * pthread_condattr_setpshared |
| 396 | * |
| 397 | * _POSIX_THREAD_SAFE_FUNCTIONS (== 200112L) |
| 398 | * If == 200112L you can use the special *_r library |
| 399 | * functions that provide thread-safe behaviour |
| 400 | * |
| 401 | * _POSIX_READER_WRITER_LOCKS (== 200112L) |
| 402 | * If == 200112L, you can use read/write locks |
| 403 | * |
| 404 | * _POSIX_SPIN_LOCKS (== 200112L) |
| 405 | * If == 200112L, you can use spin locks |
| 406 | * |
| 407 | * _POSIX_BARRIERS (== 200112L) |
| 408 | * If == 200112L, you can use barriers |
| 409 | * |
| 410 | * + These functions provide both 'inherit' and/or |
| 411 | * 'protect' protocol, based upon these macro |
| 412 | * settings. |
| 413 | * |
| 414 | * ------------------------------------------------------------- |
| 415 | */ |
| 416 | |
| 417 | /* |
| 418 | * POSIX Options |
| 419 | */ |
| 420 | #undef _POSIX_THREADS |
| 421 | #define _POSIX_THREADS 200112L |
| 422 | |
| 423 | #undef _POSIX_READER_WRITER_LOCKS |
| 424 | #define _POSIX_READER_WRITER_LOCKS 200112L |
| 425 | |
| 426 | #undef _POSIX_SPIN_LOCKS |
| 427 | #define _POSIX_SPIN_LOCKS 200112L |
| 428 | |
| 429 | #undef _POSIX_BARRIERS |
| 430 | #define _POSIX_BARRIERS 200112L |
| 431 | |
| 432 | #undef _POSIX_THREAD_SAFE_FUNCTIONS |
| 433 | #define _POSIX_THREAD_SAFE_FUNCTIONS 200112L |
| 434 | |
| 435 | #undef _POSIX_THREAD_ATTR_STACKSIZE |
| 436 | #define _POSIX_THREAD_ATTR_STACKSIZE 200112L |
| 437 | |
| 438 | /* |
| 439 | * The following options are not supported |
| 440 | */ |
| 441 | #undef _POSIX_THREAD_ATTR_STACKADDR |
| 442 | #define _POSIX_THREAD_ATTR_STACKADDR -1 |
| 443 | |
| 444 | #undef _POSIX_THREAD_PRIO_INHERIT |
| 445 | #define _POSIX_THREAD_PRIO_INHERIT -1 |
| 446 | |
| 447 | #undef _POSIX_THREAD_PRIO_PROTECT |
| 448 | #define _POSIX_THREAD_PRIO_PROTECT -1 |
| 449 | |
| 450 | /* TPS is not fully supported. */ |
| 451 | #undef _POSIX_THREAD_PRIORITY_SCHEDULING |
| 452 | #define _POSIX_THREAD_PRIORITY_SCHEDULING -1 |
| 453 | |
| 454 | #undef _POSIX_THREAD_PROCESS_SHARED |
| 455 | #define _POSIX_THREAD_PROCESS_SHARED -1 |
| 456 | |
| 457 | |
| 458 | /* |
| 459 | * POSIX 1003.1-2001 Limits |
| 460 | * =========================== |
| 461 | * |
| 462 | * These limits are normally set in <limits.h>, which is not provided with |
| 463 | * pthreads-win32. |
| 464 | * |
| 465 | * PTHREAD_DESTRUCTOR_ITERATIONS |
| 466 | * Maximum number of attempts to destroy |
| 467 | * a thread's thread-specific data on |
| 468 | * termination (must be at least 4) |
| 469 | * |
| 470 | * PTHREAD_KEYS_MAX |
| 471 | * Maximum number of thread-specific data keys |
| 472 | * available per process (must be at least 128) |
| 473 | * |
| 474 | * PTHREAD_STACK_MIN |
| 475 | * Minimum supported stack size for a thread |
| 476 | * |
| 477 | * PTHREAD_THREADS_MAX |
| 478 | * Maximum number of threads supported per |
| 479 | * process (must be at least 64). |
| 480 | * |
| 481 | * SEM_NSEMS_MAX |
| 482 | * The maximum number of semaphores a process can have. |
| 483 | * (must be at least 256) |
| 484 | * |
| 485 | * SEM_VALUE_MAX |
| 486 | * The maximum value a semaphore can have. |
| 487 | * (must be at least 32767) |
| 488 | * |
| 489 | */ |
| 490 | #undef _POSIX_THREAD_DESTRUCTOR_ITERATIONS |
| 491 | #define _POSIX_THREAD_DESTRUCTOR_ITERATIONS 4 |
| 492 | |
| 493 | #undef PTHREAD_DESTRUCTOR_ITERATIONS |
| 494 | #define PTHREAD_DESTRUCTOR_ITERATIONS _POSIX_THREAD_DESTRUCTOR_ITERATIONS |
| 495 | |
| 496 | #undef _POSIX_THREAD_KEYS_MAX |
| 497 | #define _POSIX_THREAD_KEYS_MAX 128 |
| 498 | |
| 499 | #undef PTHREAD_KEYS_MAX |
| 500 | #define PTHREAD_KEYS_MAX _POSIX_THREAD_KEYS_MAX |
| 501 | |
| 502 | #undef PTHREAD_STACK_MIN |
| 503 | #define PTHREAD_STACK_MIN 0 |
| 504 | |
| 505 | #undef _POSIX_THREAD_THREADS_MAX |
| 506 | #define _POSIX_THREAD_THREADS_MAX 64 |
| 507 | |
| 508 | /* Arbitrary value */ |
| 509 | #undef PTHREAD_THREADS_MAX |
| 510 | #define PTHREAD_THREADS_MAX 2019 |
| 511 | |
| 512 | #undef _POSIX_SEM_NSEMS_MAX |
| 513 | #define _POSIX_SEM_NSEMS_MAX 256 |
| 514 | |
| 515 | /* Arbitrary value */ |
| 516 | #undef SEM_NSEMS_MAX |
| 517 | #define SEM_NSEMS_MAX 1024 |
| 518 | |
| 519 | #undef _POSIX_SEM_VALUE_MAX |
| 520 | #define _POSIX_SEM_VALUE_MAX 32767 |
| 521 | |
| 522 | #undef SEM_VALUE_MAX |
| 523 | #define SEM_VALUE_MAX INT_MAX |
| 524 | |
| 525 | |
| 526 | #if __GNUC__ && ! defined (__declspec) |
| 527 | # error Please upgrade your GNU compiler to one that supports __declspec. |
| 528 | #endif |
| 529 | |
| 530 | /* |
| 531 | * When building the DLL code, you should define PTW32_BUILD so that |
| 532 | * the variables/functions are exported correctly. When using the DLL, |
| 533 | * do NOT define PTW32_BUILD, and then the variables/functions will |
| 534 | * be imported correctly. |
| 535 | */ |
| 536 | #ifndef PTW32_STATIC_LIB |
| 537 | # ifdef PTW32_BUILD |
| 538 | # define PTW32_DLLPORT __declspec (dllexport) |
| 539 | # else |
| 540 | # define PTW32_DLLPORT __declspec (dllimport) |
| 541 | # endif |
| 542 | #else |
| 543 | # define PTW32_DLLPORT |
| 544 | #endif |
| 545 | |
| 546 | /* |
| 547 | * The Open Watcom C/C++ compiler uses a non-standard calling convention |
| 548 | * that passes function args in registers unless __cdecl is explicitly specified |
| 549 | * in exposed function prototypes. |
| 550 | * |
| 551 | * We force all calls to cdecl even though this could slow Watcom code down |
| 552 | * slightly. If you know that the Watcom compiler will be used to build both |
| 553 | * the DLL and application, then you can probably define this as a null string. |
| 554 | * Remember that pthread.h (this file) is used for both the DLL and application builds. |
| 555 | */ |
| 556 | #define PTW32_CDECL __cdecl |
| 557 | |
| 558 | #if defined(_UWIN) && PTW32_LEVEL >= PTW32_LEVEL_MAX |
| 559 | # include <sys/types.h> |
| 560 | #else |
| 561 | /* |
| 562 | * Generic handle type - intended to extend uniqueness beyond |
| 563 | * that available with a simple pointer. It should scale for either |
| 564 | * IA-32 or IA-64. |
| 565 | */ |
| 566 | typedef struct { |
| 567 | void * p; /* Pointer to actual object */ |
| 568 | unsigned int x; /* Extra information - reuse count etc */ |
| 569 | } ptw32_handle_t; |
| 570 | |
| 571 | typedef ptw32_handle_t pthread_t; |
| 572 | typedef struct pthread_attr_t_ * pthread_attr_t; |
| 573 | typedef struct pthread_once_t_ pthread_once_t; |
| 574 | typedef struct pthread_key_t_ * pthread_key_t; |
| 575 | typedef struct pthread_mutex_t_ * pthread_mutex_t; |
| 576 | typedef struct pthread_mutexattr_t_ * pthread_mutexattr_t; |
| 577 | typedef struct pthread_cond_t_ * pthread_cond_t; |
| 578 | typedef struct pthread_condattr_t_ * pthread_condattr_t; |
| 579 | #endif |
| 580 | typedef struct pthread_rwlock_t_ * pthread_rwlock_t; |
| 581 | typedef struct pthread_rwlockattr_t_ * pthread_rwlockattr_t; |
| 582 | typedef struct pthread_spinlock_t_ * pthread_spinlock_t; |
| 583 | typedef struct pthread_barrier_t_ * pthread_barrier_t; |
| 584 | typedef struct pthread_barrierattr_t_ * pthread_barrierattr_t; |
| 585 | |
| 586 | /* |
| 587 | * ==================== |
| 588 | * ==================== |
| 589 | * POSIX Threads |
| 590 | * ==================== |
| 591 | * ==================== |
| 592 | */ |
| 593 | |
| 594 | enum { |
| 595 | /* |
| 596 | * pthread_attr_{get,set}detachstate |
| 597 | */ |
| 598 | PTHREAD_CREATE_JOINABLE = 0, /* Default */ |
| 599 | PTHREAD_CREATE_DETACHED = 1, |
| 600 | |
| 601 | /* |
| 602 | * pthread_attr_{get,set}inheritsched |
| 603 | */ |
| 604 | PTHREAD_INHERIT_SCHED = 0, |
| 605 | PTHREAD_EXPLICIT_SCHED = 1, /* Default */ |
| 606 | |
| 607 | /* |
| 608 | * pthread_{get,set}scope |
| 609 | */ |
| 610 | PTHREAD_SCOPE_PROCESS = 0, |
| 611 | PTHREAD_SCOPE_SYSTEM = 1, /* Default */ |
| 612 | |
| 613 | /* |
| 614 | * pthread_setcancelstate paramters |
| 615 | */ |
| 616 | PTHREAD_CANCEL_ENABLE = 0, /* Default */ |
| 617 | PTHREAD_CANCEL_DISABLE = 1, |
| 618 | |
| 619 | /* |
| 620 | * pthread_setcanceltype parameters |
| 621 | */ |
| 622 | PTHREAD_CANCEL_ASYNCHRONOUS = 0, |
| 623 | PTHREAD_CANCEL_DEFERRED = 1, /* Default */ |
| 624 | |
| 625 | /* |
| 626 | * pthread_mutexattr_{get,set}pshared |
| 627 | * pthread_condattr_{get,set}pshared |
| 628 | */ |
| 629 | PTHREAD_PROCESS_PRIVATE = 0, |
| 630 | PTHREAD_PROCESS_SHARED = 1, |
| 631 | |
| 632 | /* |
| 633 | * pthread_barrier_wait |
| 634 | */ |
| 635 | PTHREAD_BARRIER_SERIAL_THREAD = -1 |
| 636 | }; |
| 637 | |
| 638 | /* |
| 639 | * ==================== |
| 640 | * ==================== |
| 641 | * Cancelation |
| 642 | * ==================== |
| 643 | * ==================== |
| 644 | */ |
| 645 | #define PTHREAD_CANCELED ((void *) -1) |
| 646 | |
| 647 | |
| 648 | /* |
| 649 | * ==================== |
| 650 | * ==================== |
| 651 | * Once Key |
| 652 | * ==================== |
| 653 | * ==================== |
| 654 | */ |
| 655 | #define PTHREAD_ONCE_INIT { PTW32_FALSE, 0, 0, 0} |
| 656 | |
| 657 | struct pthread_once_t_ |
| 658 | { |
| 659 | int done; /* indicates if user function has been executed */ |
| 660 | void * lock; |
| 661 | int reserved1; |
| 662 | int reserved2; |
| 663 | }; |
| 664 | |
| 665 | |
| 666 | /* |
| 667 | * ==================== |
| 668 | * ==================== |
| 669 | * Object initialisers |
| 670 | * ==================== |
| 671 | * ==================== |
| 672 | */ |
| 673 | #define PTHREAD_MUTEX_INITIALIZER ((pthread_mutex_t) -1) |
| 674 | #define PTHREAD_RECURSIVE_MUTEX_INITIALIZER ((pthread_mutex_t) -2) |
| 675 | #define PTHREAD_ERRORCHECK_MUTEX_INITIALIZER ((pthread_mutex_t) -3) |
| 676 | |
| 677 | /* |
| 678 | * Compatibility with LinuxThreads |
| 679 | */ |
| 680 | #define PTHREAD_RECURSIVE_MUTEX_INITIALIZER_NP PTHREAD_RECURSIVE_MUTEX_INITIALIZER |
| 681 | #define PTHREAD_ERRORCHECK_MUTEX_INITIALIZER_NP PTHREAD_ERRORCHECK_MUTEX_INITIALIZER |
| 682 | |
| 683 | #define PTHREAD_COND_INITIALIZER ((pthread_cond_t) -1) |
| 684 | |
| 685 | #define PTHREAD_RWLOCK_INITIALIZER ((pthread_rwlock_t) -1) |
| 686 | |
| 687 | #define PTHREAD_SPINLOCK_INITIALIZER ((pthread_spinlock_t) -1) |
| 688 | |
| 689 | |
| 690 | /* |
| 691 | * Mutex types. |
| 692 | */ |
| 693 | enum |
| 694 | { |
| 695 | /* Compatibility with LinuxThreads */ |
| 696 | PTHREAD_MUTEX_FAST_NP, |
| 697 | PTHREAD_MUTEX_RECURSIVE_NP, |
| 698 | PTHREAD_MUTEX_ERRORCHECK_NP, |
| 699 | PTHREAD_MUTEX_TIMED_NP = PTHREAD_MUTEX_FAST_NP, |
| 700 | PTHREAD_MUTEX_ADAPTIVE_NP = PTHREAD_MUTEX_FAST_NP, |
| 701 | /* For compatibility with POSIX */ |
| 702 | PTHREAD_MUTEX_NORMAL = PTHREAD_MUTEX_FAST_NP, |
| 703 | PTHREAD_MUTEX_RECURSIVE = PTHREAD_MUTEX_RECURSIVE_NP, |
| 704 | PTHREAD_MUTEX_ERRORCHECK = PTHREAD_MUTEX_ERRORCHECK_NP, |
| 705 | PTHREAD_MUTEX_DEFAULT = PTHREAD_MUTEX_NORMAL |
| 706 | }; |
| 707 | |
| 708 | |
| 709 | typedef struct ptw32_cleanup_t ptw32_cleanup_t; |
| 710 | |
| 711 | #if defined(_MSC_VER) |
| 712 | /* Disable MSVC 'anachronism used' warning */ |
| 713 | #pragma warning( disable : 4229 ) |
| 714 | #endif |
| 715 | |
| 716 | typedef void (* PTW32_CDECL ptw32_cleanup_callback_t)(void *); |
| 717 | |
| 718 | #if defined(_MSC_VER) |
| 719 | #pragma warning( default : 4229 ) |
| 720 | #endif |
| 721 | |
| 722 | struct ptw32_cleanup_t |
| 723 | { |
| 724 | ptw32_cleanup_callback_t routine; |
| 725 | void *arg; |
| 726 | struct ptw32_cleanup_t *prev; |
| 727 | }; |
| 728 | |
| 729 | #ifdef __CLEANUP_SEH |
| 730 | /* |
| 731 | * WIN32 SEH version of cancel cleanup. |
| 732 | */ |
| 733 | |
| 734 | #define pthread_cleanup_push( _rout, _arg ) \ |
| 735 | { \ |
| 736 | ptw32_cleanup_t _cleanup; \ |
| 737 | \ |
| 738 | _cleanup.routine = (ptw32_cleanup_callback_t)(_rout); \ |
| 739 | _cleanup.arg = (_arg); \ |
| 740 | __try \ |
| 741 | { \ |
| 742 | |
| 743 | #define pthread_cleanup_pop( _execute ) \ |
| 744 | } \ |
| 745 | __finally \ |
| 746 | { \ |
| 747 | if( _execute || AbnormalTermination()) \ |
| 748 | { \ |
| 749 | (*(_cleanup.routine))( _cleanup.arg ); \ |
| 750 | } \ |
| 751 | } \ |
| 752 | } |
| 753 | |
| 754 | #else /* __CLEANUP_SEH */ |
| 755 | |
| 756 | #ifdef __CLEANUP_C |
| 757 | |
| 758 | /* |
| 759 | * C implementation of PThreads cancel cleanup |
| 760 | */ |
| 761 | |
| 762 | #define pthread_cleanup_push( _rout, _arg ) \ |
| 763 | { \ |
| 764 | ptw32_cleanup_t _cleanup; \ |
| 765 | \ |
| 766 | ptw32_push_cleanup( &_cleanup, (ptw32_cleanup_callback_t) (_rout), (_arg) ); \ |
| 767 | |
| 768 | #define pthread_cleanup_pop( _execute ) \ |
| 769 | (void) ptw32_pop_cleanup( _execute ); \ |
| 770 | } |
| 771 | |
| 772 | #else /* __CLEANUP_C */ |
| 773 | |
| 774 | #ifdef __CLEANUP_CXX |
| 775 | |
| 776 | /* |
| 777 | * C++ version of cancel cleanup. |
| 778 | * - John E. Bossom. |
| 779 | */ |
| 780 | |
| 781 | class PThreadCleanup { |
| 782 | /* |
| 783 | * PThreadCleanup |
| 784 | * |
| 785 | * Purpose |
| 786 | * This class is a C++ helper class that is |
| 787 | * used to implement pthread_cleanup_push/ |
| 788 | * pthread_cleanup_pop. |
| 789 | * The destructor of this class automatically |
| 790 | * pops the pushed cleanup routine regardless |
| 791 | * of how the code exits the scope |
| 792 | * (i.e. such as by an exception) |
| 793 | */ |
| 794 | ptw32_cleanup_callback_t cleanUpRout; |
| 795 | void * obj; |
| 796 | int executeIt; |
| 797 | |
| 798 | public: |
| 799 | PThreadCleanup() : |
| 800 | cleanUpRout( 0 ), |
| 801 | obj( 0 ), |
| 802 | executeIt( 0 ) |
| 803 | /* |
| 804 | * No cleanup performed |
| 805 | */ |
| 806 | { |
| 807 | } |
| 808 | |
| 809 | PThreadCleanup( |
| 810 | ptw32_cleanup_callback_t routine, |
| 811 | void * arg ) : |
| 812 | cleanUpRout( routine ), |
| 813 | obj( arg ), |
| 814 | executeIt( 1 ) |
| 815 | /* |
| 816 | * Registers a cleanup routine for 'arg' |
| 817 | */ |
| 818 | { |
| 819 | } |
| 820 | |
| 821 | ~PThreadCleanup() |
| 822 | { |
| 823 | if ( executeIt && ((void *) cleanUpRout != (void *) 0) ) |
| 824 | { |
| 825 | (void) (*cleanUpRout)( obj ); |
| 826 | } |
| 827 | } |
| 828 | |
| 829 | void execute( int exec ) |
| 830 | { |
| 831 | executeIt = exec; |
| 832 | } |
| 833 | }; |
| 834 | |
| 835 | /* |
| 836 | * C++ implementation of PThreads cancel cleanup; |
| 837 | * This implementation takes advantage of a helper |
| 838 | * class who's destructor automatically calls the |
| 839 | * cleanup routine if we exit our scope weirdly |
| 840 | */ |
| 841 | #define pthread_cleanup_push( _rout, _arg ) \ |
| 842 | { \ |
| 843 | PThreadCleanup cleanup((ptw32_cleanup_callback_t)(_rout), \ |
| 844 | (void *) (_arg) ); |
| 845 | |
| 846 | #define pthread_cleanup_pop( _execute ) \ |
| 847 | cleanup.execute( _execute ); \ |
| 848 | } |
| 849 | |
| 850 | #else |
| 851 | |
| 852 | #error ERROR [__FILE__, line __LINE__]: Cleanup type undefined. |
| 853 | |
| 854 | #endif /* __CLEANUP_CXX */ |
| 855 | |
| 856 | #endif /* __CLEANUP_C */ |
| 857 | |
| 858 | #endif /* __CLEANUP_SEH */ |
| 859 | |
| 860 | /* |
| 861 | * =============== |
| 862 | * =============== |
| 863 | * Methods |
| 864 | * =============== |
| 865 | * =============== |
| 866 | */ |
| 867 | |
| 868 | /* |
| 869 | * PThread Attribute Functions |
| 870 | */ |
| 871 | PTW32_DLLPORT int PTW32_CDECL pthread_attr_init (pthread_attr_t * attr); |
| 872 | |
| 873 | PTW32_DLLPORT int PTW32_CDECL pthread_attr_destroy (pthread_attr_t * attr); |
| 874 | |
| 875 | PTW32_DLLPORT int PTW32_CDECL pthread_attr_getdetachstate (const pthread_attr_t * attr, |
| 876 | int *detachstate); |
| 877 | |
| 878 | PTW32_DLLPORT int PTW32_CDECL pthread_attr_getstackaddr (const pthread_attr_t * attr, |
| 879 | void **stackaddr); |
| 880 | |
| 881 | PTW32_DLLPORT int PTW32_CDECL pthread_attr_getstacksize (const pthread_attr_t * attr, |
| 882 | size_t * stacksize); |
| 883 | |
| 884 | PTW32_DLLPORT int PTW32_CDECL pthread_attr_setdetachstate (pthread_attr_t * attr, |
| 885 | int detachstate); |
| 886 | |
| 887 | PTW32_DLLPORT int PTW32_CDECL pthread_attr_setstackaddr (pthread_attr_t * attr, |
| 888 | void *stackaddr); |
| 889 | |
| 890 | PTW32_DLLPORT int PTW32_CDECL pthread_attr_setstacksize (pthread_attr_t * attr, |
| 891 | size_t stacksize); |
| 892 | |
| 893 | PTW32_DLLPORT int PTW32_CDECL pthread_attr_getschedparam (const pthread_attr_t *attr, |
| 894 | struct sched_param *param); |
| 895 | |
| 896 | PTW32_DLLPORT int PTW32_CDECL pthread_attr_setschedparam (pthread_attr_t *attr, |
| 897 | const struct sched_param *param); |
| 898 | |
| 899 | PTW32_DLLPORT int PTW32_CDECL pthread_attr_setschedpolicy (pthread_attr_t *, |
| 900 | int); |
| 901 | |
| 902 | PTW32_DLLPORT int PTW32_CDECL pthread_attr_getschedpolicy (pthread_attr_t *, |
| 903 | int *); |
| 904 | |
| 905 | PTW32_DLLPORT int PTW32_CDECL pthread_attr_setinheritsched(pthread_attr_t * attr, |
| 906 | int inheritsched); |
| 907 | |
| 908 | PTW32_DLLPORT int PTW32_CDECL pthread_attr_getinheritsched(pthread_attr_t * attr, |
| 909 | int * inheritsched); |
| 910 | |
| 911 | PTW32_DLLPORT int PTW32_CDECL pthread_attr_setscope (pthread_attr_t *, |
| 912 | int); |
| 913 | |
| 914 | PTW32_DLLPORT int PTW32_CDECL pthread_attr_getscope (const pthread_attr_t *, |
| 915 | int *); |
| 916 | |
| 917 | /* |
| 918 | * PThread Functions |
| 919 | */ |
| 920 | PTW32_DLLPORT int PTW32_CDECL pthread_create (pthread_t * tid, |
| 921 | const pthread_attr_t * attr, |
| 922 | void *(*start) (void *), |
| 923 | void *arg); |
| 924 | |
| 925 | PTW32_DLLPORT int PTW32_CDECL pthread_detach (pthread_t tid); |
| 926 | |
| 927 | PTW32_DLLPORT int PTW32_CDECL pthread_equal (pthread_t t1, |
| 928 | pthread_t t2); |
| 929 | |
| 930 | PTW32_DLLPORT void PTW32_CDECL pthread_exit (void *value_ptr); |
| 931 | |
| 932 | PTW32_DLLPORT int PTW32_CDECL pthread_join (pthread_t thread, |
| 933 | void **value_ptr); |
| 934 | |
| 935 | PTW32_DLLPORT pthread_t PTW32_CDECL pthread_self (void); |
| 936 | |
| 937 | PTW32_DLLPORT int PTW32_CDECL pthread_cancel (pthread_t thread); |
| 938 | |
| 939 | PTW32_DLLPORT int PTW32_CDECL pthread_setcancelstate (int state, |
| 940 | int *oldstate); |
| 941 | |
| 942 | PTW32_DLLPORT int PTW32_CDECL pthread_setcanceltype (int type, |
| 943 | int *oldtype); |
| 944 | |
| 945 | PTW32_DLLPORT void PTW32_CDECL pthread_testcancel (void); |
| 946 | |
| 947 | PTW32_DLLPORT int PTW32_CDECL pthread_once (pthread_once_t * once_control, |
| 948 | void (*init_routine) (void)); |
| 949 | |
| 950 | #if PTW32_LEVEL >= PTW32_LEVEL_MAX |
| 951 | PTW32_DLLPORT ptw32_cleanup_t * PTW32_CDECL ptw32_pop_cleanup (int execute); |
| 952 | |
| 953 | PTW32_DLLPORT void PTW32_CDECL ptw32_push_cleanup (ptw32_cleanup_t * cleanup, |
| 954 | void (*routine) (void *), |
| 955 | void *arg); |
| 956 | #endif /* PTW32_LEVEL >= PTW32_LEVEL_MAX */ |
| 957 | |
| 958 | /* |
| 959 | * Thread Specific Data Functions |
| 960 | */ |
| 961 | PTW32_DLLPORT int PTW32_CDECL pthread_key_create (pthread_key_t * key, |
| 962 | void (*destructor) (void *)); |
| 963 | |
| 964 | PTW32_DLLPORT int PTW32_CDECL pthread_key_delete (pthread_key_t key); |
| 965 | |
| 966 | PTW32_DLLPORT int PTW32_CDECL pthread_setspecific (pthread_key_t key, |
| 967 | const void *value); |
| 968 | |
| 969 | PTW32_DLLPORT void * PTW32_CDECL pthread_getspecific (pthread_key_t key); |
| 970 | |
| 971 | |
| 972 | /* |
| 973 | * Mutex Attribute Functions |
| 974 | */ |
| 975 | PTW32_DLLPORT int PTW32_CDECL pthread_mutexattr_init (pthread_mutexattr_t * attr); |
| 976 | |
| 977 | PTW32_DLLPORT int PTW32_CDECL pthread_mutexattr_destroy (pthread_mutexattr_t * attr); |
| 978 | |
| 979 | PTW32_DLLPORT int PTW32_CDECL pthread_mutexattr_getpshared (const pthread_mutexattr_t |
| 980 | * attr, |
| 981 | int *pshared); |
| 982 | |
| 983 | PTW32_DLLPORT int PTW32_CDECL pthread_mutexattr_setpshared (pthread_mutexattr_t * attr, |
| 984 | int pshared); |
| 985 | |
| 986 | PTW32_DLLPORT int PTW32_CDECL pthread_mutexattr_settype (pthread_mutexattr_t * attr, int kind); |
| 987 | PTW32_DLLPORT int PTW32_CDECL pthread_mutexattr_gettype (pthread_mutexattr_t * attr, int *kind); |
| 988 | |
| 989 | /* |
| 990 | * Barrier Attribute Functions |
| 991 | */ |
| 992 | PTW32_DLLPORT int PTW32_CDECL pthread_barrierattr_init (pthread_barrierattr_t * attr); |
| 993 | |
| 994 | PTW32_DLLPORT int PTW32_CDECL pthread_barrierattr_destroy (pthread_barrierattr_t * attr); |
| 995 | |
| 996 | PTW32_DLLPORT int PTW32_CDECL pthread_barrierattr_getpshared (const pthread_barrierattr_t |
| 997 | * attr, |
| 998 | int *pshared); |
| 999 | |
| 1000 | PTW32_DLLPORT int PTW32_CDECL pthread_barrierattr_setpshared (pthread_barrierattr_t * attr, |
| 1001 | int pshared); |
| 1002 | |
| 1003 | /* |
| 1004 | * Mutex Functions |
| 1005 | */ |
| 1006 | PTW32_DLLPORT int PTW32_CDECL pthread_mutex_init (pthread_mutex_t * mutex, |
| 1007 | const pthread_mutexattr_t * attr); |
| 1008 | |
| 1009 | PTW32_DLLPORT int PTW32_CDECL pthread_mutex_destroy (pthread_mutex_t * mutex); |
| 1010 | |
| 1011 | PTW32_DLLPORT int PTW32_CDECL pthread_mutex_lock (pthread_mutex_t * mutex); |
| 1012 | |
| 1013 | PTW32_DLLPORT int PTW32_CDECL pthread_mutex_timedlock(pthread_mutex_t *mutex, |
| 1014 | const struct timespec *abstime); |
| 1015 | |
| 1016 | PTW32_DLLPORT int PTW32_CDECL pthread_mutex_trylock (pthread_mutex_t * mutex); |
| 1017 | |
| 1018 | PTW32_DLLPORT int PTW32_CDECL pthread_mutex_unlock (pthread_mutex_t * mutex); |
| 1019 | |
| 1020 | /* |
| 1021 | * Spinlock Functions |
| 1022 | */ |
| 1023 | PTW32_DLLPORT int PTW32_CDECL pthread_spin_init (pthread_spinlock_t * lock, int pshared); |
| 1024 | |
| 1025 | PTW32_DLLPORT int PTW32_CDECL pthread_spin_destroy (pthread_spinlock_t * lock); |
| 1026 | |
| 1027 | PTW32_DLLPORT int PTW32_CDECL pthread_spin_lock (pthread_spinlock_t * lock); |
| 1028 | |
| 1029 | PTW32_DLLPORT int PTW32_CDECL pthread_spin_trylock (pthread_spinlock_t * lock); |
| 1030 | |
| 1031 | PTW32_DLLPORT int PTW32_CDECL pthread_spin_unlock (pthread_spinlock_t * lock); |
| 1032 | |
| 1033 | /* |
| 1034 | * Barrier Functions |
| 1035 | */ |
| 1036 | PTW32_DLLPORT int PTW32_CDECL pthread_barrier_init (pthread_barrier_t * barrier, |
| 1037 | const pthread_barrierattr_t * attr, |
| 1038 | unsigned int count); |
| 1039 | |
| 1040 | PTW32_DLLPORT int PTW32_CDECL pthread_barrier_destroy (pthread_barrier_t * barrier); |
| 1041 | |
| 1042 | PTW32_DLLPORT int PTW32_CDECL pthread_barrier_wait (pthread_barrier_t * barrier); |
| 1043 | |
| 1044 | /* |
| 1045 | * Condition Variable Attribute Functions |
| 1046 | */ |
| 1047 | PTW32_DLLPORT int PTW32_CDECL pthread_condattr_init (pthread_condattr_t * attr); |
| 1048 | |
| 1049 | PTW32_DLLPORT int PTW32_CDECL pthread_condattr_destroy (pthread_condattr_t * attr); |
| 1050 | |
| 1051 | PTW32_DLLPORT int PTW32_CDECL pthread_condattr_getpshared (const pthread_condattr_t * attr, |
| 1052 | int *pshared); |
| 1053 | |
| 1054 | PTW32_DLLPORT int PTW32_CDECL pthread_condattr_setpshared (pthread_condattr_t * attr, |
| 1055 | int pshared); |
| 1056 | |
| 1057 | /* |
| 1058 | * Condition Variable Functions |
| 1059 | */ |
| 1060 | PTW32_DLLPORT int PTW32_CDECL pthread_cond_init (pthread_cond_t * cond, |
| 1061 | const pthread_condattr_t * attr); |
| 1062 | |
| 1063 | PTW32_DLLPORT int PTW32_CDECL pthread_cond_destroy (pthread_cond_t * cond); |
| 1064 | |
| 1065 | PTW32_DLLPORT int PTW32_CDECL pthread_cond_wait (pthread_cond_t * cond, |
| 1066 | pthread_mutex_t * mutex); |
| 1067 | |
| 1068 | PTW32_DLLPORT int PTW32_CDECL pthread_cond_timedwait (pthread_cond_t * cond, |
| 1069 | pthread_mutex_t * mutex, |
| 1070 | const struct timespec *abstime); |
| 1071 | |
| 1072 | PTW32_DLLPORT int PTW32_CDECL pthread_cond_signal (pthread_cond_t * cond); |
| 1073 | |
| 1074 | PTW32_DLLPORT int PTW32_CDECL pthread_cond_broadcast (pthread_cond_t * cond); |
| 1075 | |
| 1076 | /* |
| 1077 | * Scheduling |
| 1078 | */ |
| 1079 | PTW32_DLLPORT int PTW32_CDECL pthread_setschedparam (pthread_t thread, |
| 1080 | int policy, |
| 1081 | const struct sched_param *param); |
| 1082 | |
| 1083 | PTW32_DLLPORT int PTW32_CDECL pthread_getschedparam (pthread_t thread, |
| 1084 | int *policy, |
| 1085 | struct sched_param *param); |
| 1086 | |
| 1087 | PTW32_DLLPORT int PTW32_CDECL pthread_setconcurrency (int); |
| 1088 | |
| 1089 | PTW32_DLLPORT int PTW32_CDECL pthread_getconcurrency (void); |
| 1090 | |
| 1091 | /* |
| 1092 | * Read-Write Lock Functions |
| 1093 | */ |
| 1094 | PTW32_DLLPORT int PTW32_CDECL pthread_rwlock_init(pthread_rwlock_t *lock, |
| 1095 | const pthread_rwlockattr_t *attr); |
| 1096 | |
| 1097 | PTW32_DLLPORT int PTW32_CDECL pthread_rwlock_destroy(pthread_rwlock_t *lock); |
| 1098 | |
| 1099 | PTW32_DLLPORT int PTW32_CDECL pthread_rwlock_tryrdlock(pthread_rwlock_t *); |
| 1100 | |
| 1101 | PTW32_DLLPORT int PTW32_CDECL pthread_rwlock_trywrlock(pthread_rwlock_t *); |
| 1102 | |
| 1103 | PTW32_DLLPORT int PTW32_CDECL pthread_rwlock_rdlock(pthread_rwlock_t *lock); |
| 1104 | |
| 1105 | PTW32_DLLPORT int PTW32_CDECL pthread_rwlock_timedrdlock(pthread_rwlock_t *lock, |
| 1106 | const struct timespec *abstime); |
| 1107 | |
| 1108 | PTW32_DLLPORT int PTW32_CDECL pthread_rwlock_wrlock(pthread_rwlock_t *lock); |
| 1109 | |
| 1110 | PTW32_DLLPORT int PTW32_CDECL pthread_rwlock_timedwrlock(pthread_rwlock_t *lock, |
| 1111 | const struct timespec *abstime); |
| 1112 | |
| 1113 | PTW32_DLLPORT int PTW32_CDECL pthread_rwlock_unlock(pthread_rwlock_t *lock); |
| 1114 | |
| 1115 | PTW32_DLLPORT int PTW32_CDECL pthread_rwlockattr_init (pthread_rwlockattr_t * attr); |
| 1116 | |
| 1117 | PTW32_DLLPORT int PTW32_CDECL pthread_rwlockattr_destroy (pthread_rwlockattr_t * attr); |
| 1118 | |
| 1119 | PTW32_DLLPORT int PTW32_CDECL pthread_rwlockattr_getpshared (const pthread_rwlockattr_t * attr, |
| 1120 | int *pshared); |
| 1121 | |
| 1122 | PTW32_DLLPORT int PTW32_CDECL pthread_rwlockattr_setpshared (pthread_rwlockattr_t * attr, |
| 1123 | int pshared); |
| 1124 | |
| 1125 | #if PTW32_LEVEL >= PTW32_LEVEL_MAX - 1 |
| 1126 | |
| 1127 | /* |
| 1128 | * Signal Functions. Should be defined in <signal.h> but MSVC and MinGW32 |
| 1129 | * already have signal.h that don't define these. |
| 1130 | */ |
| 1131 | PTW32_DLLPORT int PTW32_CDECL pthread_kill(pthread_t thread, int sig); |
| 1132 | |
| 1133 | /* |
| 1134 | * Non-portable functions |
| 1135 | */ |
| 1136 | |
| 1137 | /* |
| 1138 | * Compatibility with Linux. |
| 1139 | */ |
| 1140 | PTW32_DLLPORT int PTW32_CDECL pthread_mutexattr_setkind_np(pthread_mutexattr_t * attr, |
| 1141 | int kind); |
| 1142 | PTW32_DLLPORT int PTW32_CDECL pthread_mutexattr_getkind_np(pthread_mutexattr_t * attr, |
| 1143 | int *kind); |
| 1144 | |
| 1145 | /* |
| 1146 | * Possibly supported by other POSIX threads implementations |
| 1147 | */ |
| 1148 | PTW32_DLLPORT int PTW32_CDECL pthread_delay_np (struct timespec * interval); |
| 1149 | PTW32_DLLPORT int PTW32_CDECL pthread_num_processors_np(void); |
| 1150 | |
| 1151 | /* |
| 1152 | * Useful if an application wants to statically link |
| 1153 | * the lib rather than load the DLL at run-time. |
| 1154 | */ |
| 1155 | PTW32_DLLPORT int PTW32_CDECL pthread_win32_process_attach_np(void); |
| 1156 | PTW32_DLLPORT int PTW32_CDECL pthread_win32_process_detach_np(void); |
| 1157 | PTW32_DLLPORT int PTW32_CDECL pthread_win32_thread_attach_np(void); |
| 1158 | PTW32_DLLPORT int PTW32_CDECL pthread_win32_thread_detach_np(void); |
| 1159 | |
| 1160 | /* |
| 1161 | * Features that are auto-detected at load/run time. |
| 1162 | */ |
| 1163 | PTW32_DLLPORT int PTW32_CDECL pthread_win32_test_features_np(int); |
| 1164 | enum ptw32_features { |
| 1165 | PTW32_SYSTEM_INTERLOCKED_COMPARE_EXCHANGE = 0x0001, /* System provides it. */ |
| 1166 | PTW32_ALERTABLE_ASYNC_CANCEL = 0x0002 /* Can cancel blocked threads. */ |
| 1167 | }; |
| 1168 | |
| 1169 | /* |
| 1170 | * Register a system time change with the library. |
| 1171 | * Causes the library to perform various functions |
| 1172 | * in response to the change. Should be called whenever |
| 1173 | * the application's top level window receives a |
| 1174 | * WM_TIMECHANGE message. It can be passed directly to |
| 1175 | * pthread_create() as a new thread if desired. |
| 1176 | */ |
| 1177 | PTW32_DLLPORT void * PTW32_CDECL pthread_timechange_handler_np(void *); |
| 1178 | |
| 1179 | #endif /*PTW32_LEVEL >= PTW32_LEVEL_MAX - 1 */ |
| 1180 | |
| 1181 | #if PTW32_LEVEL >= PTW32_LEVEL_MAX |
| 1182 | |
| 1183 | /* |
| 1184 | * Returns the Win32 HANDLE for the POSIX thread. |
| 1185 | */ |
| 1186 | PTW32_DLLPORT HANDLE PTW32_CDECL pthread_getw32threadhandle_np(pthread_t thread); |
| 1187 | |
| 1188 | |
| 1189 | /* |
| 1190 | * Protected Methods |
| 1191 | * |
| 1192 | * This function blocks until the given WIN32 handle |
| 1193 | * is signaled or pthread_cancel had been called. |
| 1194 | * This function allows the caller to hook into the |
| 1195 | * PThreads cancel mechanism. It is implemented using |
| 1196 | * |
| 1197 | * WaitForMultipleObjects |
| 1198 | * |
| 1199 | * on 'waitHandle' and a manually reset WIN32 Event |
| 1200 | * used to implement pthread_cancel. The 'timeout' |
| 1201 | * argument to TimedWait is simply passed to |
| 1202 | * WaitForMultipleObjects. |
| 1203 | */ |
| 1204 | PTW32_DLLPORT int PTW32_CDECL pthreadCancelableWait (HANDLE waitHandle); |
| 1205 | PTW32_DLLPORT int PTW32_CDECL pthreadCancelableTimedWait (HANDLE waitHandle, |
| 1206 | DWORD timeout); |
| 1207 | |
| 1208 | #endif /* PTW32_LEVEL >= PTW32_LEVEL_MAX */ |
| 1209 | |
| 1210 | /* |
| 1211 | * Thread-Safe C Runtime Library Mappings. |
| 1212 | */ |
| 1213 | #ifndef _UWIN |
| 1214 | # if defined(NEED_ERRNO) |
| 1215 | PTW32_DLLPORT int * PTW32_CDECL _errno( void ); |
| 1216 | # else |
| 1217 | # ifndef errno |
| 1218 | # if (defined(_MT) || defined(_DLL)) |
| 1219 | __declspec(dllimport) extern int * __cdecl _errno(void); |
| 1220 | # define errno (*_errno()) |
| 1221 | # endif |
| 1222 | # endif |
| 1223 | # endif |
| 1224 | #endif |
| 1225 | |
| 1226 | /* |
| 1227 | * WIN32 C runtime library had been made thread-safe |
| 1228 | * without affecting the user interface. Provide |
| 1229 | * mappings from the UNIX thread-safe versions to |
| 1230 | * the standard C runtime library calls. |
| 1231 | * Only provide function mappings for functions that |
| 1232 | * actually exist on WIN32. |
| 1233 | */ |
| 1234 | |
| 1235 | #if !defined(__MINGW32__) |
| 1236 | #define strtok_r( _s, _sep, _lasts ) \ |
| 1237 | ( *(_lasts) = strtok( (_s), (_sep) ) ) |
| 1238 | #endif /* !__MINGW32__ */ |
| 1239 | |
| 1240 | #define asctime_r( _tm, _buf ) \ |
| 1241 | ( strcpy( (_buf), asctime( (_tm) ) ), \ |
| 1242 | (_buf) ) |
| 1243 | |
| 1244 | #define ctime_r( _clock, _buf ) \ |
| 1245 | ( strcpy( (_buf), ctime( (_clock) ) ), \ |
| 1246 | (_buf) ) |
| 1247 | |
| 1248 | #define gmtime_r( _clock, _result ) \ |
| 1249 | ( *(_result) = *gmtime( (_clock) ), \ |
| 1250 | (_result) ) |
| 1251 | |
| 1252 | #define localtime_r( _clock, _result ) \ |
| 1253 | ( *(_result) = *localtime( (_clock) ), \ |
| 1254 | (_result) ) |
| 1255 | |
| 1256 | #define rand_r( _seed ) \ |
| 1257 | ( _seed == _seed? rand() : rand() ) |
| 1258 | |
| 1259 | |
| 1260 | /* |
| 1261 | * Some compiler environments don't define some things. |
| 1262 | */ |
| 1263 | #if defined(__BORLANDC__) |
| 1264 | # define _ftime ftime |
| 1265 | # define _timeb timeb |
| 1266 | #endif |
| 1267 | |
| 1268 | #ifdef __cplusplus |
| 1269 | |
| 1270 | /* |
| 1271 | * Internal exceptions |
| 1272 | */ |
| 1273 | class ptw32_exception {}; |
| 1274 | class ptw32_exception_cancel : public ptw32_exception {}; |
| 1275 | class ptw32_exception_exit : public ptw32_exception {}; |
| 1276 | |
| 1277 | #endif |
| 1278 | |
| 1279 | #if PTW32_LEVEL >= PTW32_LEVEL_MAX |
| 1280 | |
| 1281 | /* FIXME: This is only required if the library was built using SEH */ |
| 1282 | /* |
| 1283 | * Get internal SEH tag |
| 1284 | */ |
| 1285 | PTW32_DLLPORT DWORD PTW32_CDECL ptw32_get_exception_services_code(void); |
| 1286 | |
| 1287 | #endif /* PTW32_LEVEL >= PTW32_LEVEL_MAX */ |
| 1288 | |
| 1289 | #ifndef PTW32_BUILD |
| 1290 | |
| 1291 | #ifdef __CLEANUP_SEH |
| 1292 | |
| 1293 | /* |
| 1294 | * Redefine the SEH __except keyword to ensure that applications |
| 1295 | * propagate our internal exceptions up to the library's internal handlers. |
| 1296 | */ |
| 1297 | #define __except( E ) \ |
| 1298 | __except( ( GetExceptionCode() == ptw32_get_exception_services_code() ) \ |
| 1299 | ? EXCEPTION_CONTINUE_SEARCH : ( E ) ) |
| 1300 | |
| 1301 | #endif /* __CLEANUP_SEH */ |
| 1302 | |
| 1303 | #ifdef __CLEANUP_CXX |
| 1304 | |
| 1305 | /* |
| 1306 | * Redefine the C++ catch keyword to ensure that applications |
| 1307 | * propagate our internal exceptions up to the library's internal handlers. |
| 1308 | */ |
| 1309 | #ifdef _MSC_VER |
| 1310 | /* |
| 1311 | * WARNING: Replace any 'catch( ... )' with 'PtW32CatchAll' |
| 1312 | * if you want Pthread-Win32 cancelation and pthread_exit to work. |
| 1313 | */ |
| 1314 | |
| 1315 | #ifndef PtW32NoCatchWarn |
| 1316 | |
| 1317 | #pragma message("Specify \"/DPtW32NoCatchWarn\" compiler flag to skip this message.") |
| 1318 | #pragma message("------------------------------------------------------------------") |
| 1319 | #pragma message("When compiling applications with MSVC++ and C++ exception handling:") |
| 1320 | #pragma message(" Replace any 'catch( ... )' in routines called from POSIX threads") |
| 1321 | #pragma message(" with 'PtW32CatchAll' or 'CATCHALL' if you want POSIX thread") |
| 1322 | #pragma message(" cancelation and pthread_exit to work. For example:") |
| 1323 | #pragma message("") |
| 1324 | #pragma message(" #ifdef PtW32CatchAll") |
| 1325 | #pragma message(" PtW32CatchAll") |
| 1326 | #pragma message(" #else") |
| 1327 | #pragma message(" catch(...)") |
| 1328 | #pragma message(" #endif") |
| 1329 | #pragma message(" {") |
| 1330 | #pragma message(" /* Catchall block processing */") |
| 1331 | #pragma message(" }") |
| 1332 | #pragma message("------------------------------------------------------------------") |
| 1333 | |
| 1334 | #endif |
| 1335 | |
| 1336 | #define PtW32CatchAll \ |
| 1337 | catch( ptw32_exception & ) { throw; } \ |
| 1338 | catch( ... ) |
| 1339 | |
| 1340 | #else /* _MSC_VER */ |
| 1341 | |
| 1342 | #define catch( E ) \ |
| 1343 | catch( ptw32_exception & ) { throw; } \ |
| 1344 | catch( E ) |
| 1345 | |
| 1346 | #endif /* _MSC_VER */ |
| 1347 | |
| 1348 | #endif /* __CLEANUP_CXX */ |
| 1349 | |
| 1350 | #endif /* ! PTW32_BUILD */ |
| 1351 | |
| 1352 | #ifdef __cplusplus |
| 1353 | } /* End of extern "C" */ |
| 1354 | #endif /* __cplusplus */ |
| 1355 | |
| 1356 | #ifdef PTW32__HANDLE_DEF |
| 1357 | # undef HANDLE |
| 1358 | #endif |
| 1359 | #ifdef PTW32__DWORD_DEF |
| 1360 | # undef DWORD |
| 1361 | #endif |
| 1362 | |
| 1363 | #undef PTW32_LEVEL |
| 1364 | #undef PTW32_LEVEL_MAX |
| 1365 | |
| 1366 | #endif /* ! RC_INVOKED */ |
| 1367 | |
| 1368 | #endif /* PTHREAD_H */ |