ceph/src/boost/boost/thread/detail/config.hpp

   1 // Copyright (C) 2001-2003
   2 // William E. Kempf
   3 // Copyright (C) 2011-2013 Vicente J. Botet Escriba
   4 //
   5 //  Distributed under the Boost Software License, Version 1.0. (See accompanying
   6 //  file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
   7
   8 #ifndef BOOST_THREAD_CONFIG_WEK01032003_HPP
   9 #define BOOST_THREAD_CONFIG_WEK01032003_HPP
  10
  11 #include <boost/config.hpp>
  12 #include <boost/detail/workaround.hpp>
  13 #include <boost/thread/detail/platform.hpp>
  14
  15 //#define BOOST_THREAD_DONT_PROVIDE_INTERRUPTIONS
  16 // ATTRIBUTE_MAY_ALIAS
  17
  18 //#if defined(__GNUC__) && !defined(__INTEL_COMPILER)
  19 #if !defined(BOOST_NO_MAY_ALIAS)
  20
  21   // GCC since 3.3 and some other compilers have may_alias attribute that helps
  22   // to alleviate optimizer issues with regard to violation of the strict aliasing rules.
  23
  24   #define BOOST_THREAD_DETAIL_USE_ATTRIBUTE_MAY_ALIAS
  25 #endif
  26 #if defined(BOOST_MAY_ALIAS)
  27 #define BOOST_THREAD_ATTRIBUTE_MAY_ALIAS BOOST_MAY_ALIAS
  28 #else
  29 #define BOOST_THREAD_ATTRIBUTE_MAY_ALIAS
  30 #endif
  31
  32 #if defined(BOOST_THREAD_CHRONO_WINDOWS_API)
  33 # warning Boost.Thread will use the Windows API for time
  34 #elif defined(BOOST_THREAD_CHRONO_MAC_API)
  35 # warning Boost.Thread will use the Mac API  for time
  36 #elif defined(BOOST_THREAD_CHRONO_POSIX_API)
  37 # warning Boost.Thread will use the POSIX API  for time
  38 #endif
  39
  40 # if defined( BOOST_THREAD_CHRONO_WINDOWS_API ) && defined( BOOST_THREAD_CHRONO_POSIX_API )
  41 #   error both BOOST_THREAD_CHRONO_WINDOWS_API and BOOST_THREAD_CHRONO_POSIX_API are defined
  42 # elif defined( BOOST_THREAD_CHRONO_WINDOWS_API ) && defined( BOOST_THREAD_CHRONO_MAC_API )
  43 #   error both BOOST_THREAD_CHRONO_WINDOWS_API and BOOST_THREAD_CHRONO_MAC_API are defined
  44 # elif defined( BOOST_THREAD_CHRONO_MAC_API ) && defined( BOOST_THREAD_CHRONO_POSIX_API )
  45 #   error both BOOST_THREAD_CHRONO_MAC_API and BOOST_THREAD_CHRONO_POSIX_API are defined
  46 # elif !defined( BOOST_THREAD_CHRONO_WINDOWS_API ) && !defined( BOOST_THREAD_CHRONO_MAC_API ) && !defined( BOOST_THREAD_CHRONO_POSIX_API )
  47 #   if (defined(_WIN32) || defined(__WIN32__) || defined(WIN32))
  48 #     define BOOST_THREAD_CHRONO_WINDOWS_API
  49 #   elif defined(macintosh) || defined(__APPLE__) || defined(__APPLE_CC__)
  50 #     define BOOST_THREAD_CHRONO_MAC_API
  51 #   else
  52 #     define BOOST_THREAD_CHRONO_POSIX_API
  53 #   endif
  54 # endif
  55
  56 #if !defined(BOOST_THREAD_POLL_INTERVAL_MILLISECONDS)
  57 #define BOOST_THREAD_POLL_INTERVAL_MILLISECONDS 100
  58 #endif
  59
  60 #if defined BOOST_THREAD_THROW_IF_PRECONDITION_NOT_SATISFIED
  61 #define BOOST_THREAD_ASSERT_PRECONDITION(EXPR, EX) \
  62         if (EXPR) {} else boost::throw_exception(EX)
  63 #define BOOST_THREAD_VERIFY_PRECONDITION(EXPR, EX) \
  64         if (EXPR) {} else boost::throw_exception(EX)
  65 #define BOOST_THREAD_THROW_ELSE_RETURN(EX, RET) \
  66         boost::throw_exception(EX)
  67 #else
  68 #define BOOST_THREAD_ASSERT_PRECONDITION(EXPR, EX)
  69 #define BOOST_THREAD_VERIFY_PRECONDITION(EXPR, EX) \
  70         (void)(EXPR)
  71 #define BOOST_THREAD_THROW_ELSE_RETURN(EX, RET) \
  72         return (RET)
  73 #endif
  74
  75 // This compiler doesn't support Boost.Chrono
  76 #if defined __IBMCPP__ && (__IBMCPP__ < 1100) \
  77   && ! defined BOOST_THREAD_DONT_USE_CHRONO
  78 #define BOOST_THREAD_DONT_USE_CHRONO
  79 #if ! defined BOOST_THREAD_USES_DATETIME
  80 #define BOOST_THREAD_USES_DATETIME
  81 #endif
  82 #endif
  83
  84 // This compiler doesn't support Boost.Move
  85 #if BOOST_WORKAROUND(__SUNPRO_CC, < 0x5100) \
  86   && ! defined BOOST_THREAD_DONT_USE_MOVE
  87 #define BOOST_THREAD_DONT_USE_MOVE
  88 #endif
  89
  90 // This compiler doesn't support Boost.Container Allocators files
  91 #if defined __SUNPRO_CC \
  92   && ! defined BOOST_THREAD_DONT_PROVIDE_FUTURE_CTOR_ALLOCATORS
  93 #define BOOST_THREAD_DONT_PROVIDE_FUTURE_CTOR_ALLOCATORS
  94 #endif
  95
  96 #if defined _WIN32_WCE && _WIN32_WCE==0x501 \
  97   && ! defined BOOST_THREAD_DONT_PROVIDE_FUTURE_CTOR_ALLOCATORS
  98 #define BOOST_THREAD_DONT_PROVIDE_FUTURE_CTOR_ALLOCATORS
  99 #endif
 100
 101
 102 #if defined BOOST_NO_CXX11_UNIFIED_INITIALIZATION_SYNTAX || defined BOOST_NO_CXX11_HDR_INITIALIZER_LIST
 103 #define BOOST_THREAD_NO_CXX11_HDR_INITIALIZER_LIST
 104 #define BOOST_THREAD_NO_MAKE_LOCK_GUARD
 105 #define BOOST_THREAD_NO_MAKE_STRICT_LOCK
 106 #define BOOST_THREAD_NO_MAKE_NESTED_STRICT_LOCK
 107 #endif
 108
 109 #if defined(BOOST_NO_CXX11_HDR_TUPLE) || defined(BOOST_NO_CXX11_RVALUE_REFERENCES)
 110 #define BOOST_THREAD_NO_MAKE_UNIQUE_LOCKS
 111 #define BOOST_THREAD_NO_SYNCHRONIZE
 112 #elif defined _MSC_VER && _MSC_VER <= 1600
 113 // C++ features supported by VC++ 10 (aka 2010)
 114 #define BOOST_THREAD_NO_MAKE_UNIQUE_LOCKS
 115 #define BOOST_THREAD_NO_SYNCHRONIZE
 116 #endif
 117
 118 /// BASIC_THREAD_ID
 119 #if ! defined BOOST_THREAD_DONT_PROVIDE_BASIC_THREAD_ID \
 120  && ! defined BOOST_THREAD_PROVIDES_BASIC_THREAD_ID
 121 #define BOOST_THREAD_PROVIDES_BASIC_THREAD_ID
 122 #endif
 123
 124 /// RVALUE_REFERENCES_DONT_MATCH_FUNTION_PTR
 125 //#if defined BOOST_NO_CXX11_RVALUE_REFERENCES || defined BOOST_MSVC
 126 #define BOOST_THREAD_RVALUE_REFERENCES_DONT_MATCH_FUNCTION_PTR
 127 //#endif
 128
 129 // Default version
 130 #if !defined BOOST_THREAD_VERSION
 131 #define BOOST_THREAD_VERSION 2
 132 #else
 133 #if BOOST_THREAD_VERSION!=2  && BOOST_THREAD_VERSION!=3 && BOOST_THREAD_VERSION!=4 && BOOST_THREAD_VERSION!=5
 134 #error "BOOST_THREAD_VERSION must be 2, 3, 4 or 5"
 135 #endif
 136 #endif
 137
 138 // CHRONO
 139 // Uses Boost.Chrono by default if not stated the opposite defining BOOST_THREAD_DONT_USE_CHRONO
 140 #if ! defined BOOST_THREAD_DONT_USE_CHRONO \
 141   && ! defined BOOST_THREAD_USES_CHRONO
 142 #define BOOST_THREAD_USES_CHRONO
 143 #endif
 144
 145 #if ! defined BOOST_THREAD_DONT_USE_ATOMIC \
 146   && ! defined BOOST_THREAD_USES_ATOMIC
 147 #define BOOST_THREAD_USES_ATOMIC
 148 //#define BOOST_THREAD_DONT_USE_ATOMIC
 149 #endif
 150
 151 #if defined BOOST_THREAD_USES_ATOMIC
 152 // Andrey Semashev
 153 #define BOOST_THREAD_ONCE_ATOMIC
 154 #else
 155 //#elif ! defined BOOST_NO_CXX11_THREAD_LOCAL && ! defined BOOST_NO_THREAD_LOCAL && ! defined BOOST_THREAD_NO_UINT32_PSEUDO_ATOMIC
 156 // http://www.open-std.org/jtc1/sc22/wg21/docs/papers/2007/n2444.html#Appendix
 157 #define BOOST_THREAD_ONCE_FAST_EPOCH
 158 #endif
 159 #if BOOST_THREAD_VERSION==2
 160
 161 // PROVIDE_PROMISE_LAZY
 162 #if ! defined BOOST_THREAD_DONT_PROVIDE_PROMISE_LAZY \
 163   && ! defined BOOST_THREAD_PROVIDES_PROMISE_LAZY
 164 #define BOOST_THREAD_PROVIDES_PROMISE_LAZY
 165 #endif
 166
 167 // PROVIDE_THREAD_EQ
 168 #if ! defined BOOST_THREAD_DONT_PROVIDE_THREAD_EQ \
 169   && ! defined BOOST_THREAD_PROVIDES_THREAD_EQ
 170 #define BOOST_THREAD_PROVIDES_THREAD_EQ
 171 #endif
 172
 173 #endif
 174
 175 #if BOOST_THREAD_VERSION>=3
 176
 177 // ONCE_CXX11
 178 // fixme BOOST_THREAD_PROVIDES_ONCE_CXX11 doesn't works when thread.cpp is compiled BOOST_THREAD_VERSION 3
 179 #if ! defined BOOST_THREAD_DONT_PROVIDE_ONCE_CXX11 \
 180  && ! defined BOOST_THREAD_PROVIDES_ONCE_CXX11
 181 #define BOOST_THREAD_DONT_PROVIDE_ONCE_CXX11
 182 #endif
 183
 184 // THREAD_DESTRUCTOR_CALLS_TERMINATE_IF_JOINABLE
 185 #if ! defined BOOST_THREAD_DONT_PROVIDE_THREAD_DESTRUCTOR_CALLS_TERMINATE_IF_JOINABLE \
 186  && ! defined BOOST_THREAD_PROVIDES_THREAD_DESTRUCTOR_CALLS_TERMINATE_IF_JOINABLE
 187 #define BOOST_THREAD_PROVIDES_THREAD_DESTRUCTOR_CALLS_TERMINATE_IF_JOINABLE
 188 #endif
 189
 190 // THREAD_MOVE_ASSIGN_CALLS_TERMINATE_IF_JOINABLE
 191 #if ! defined BOOST_THREAD_DONT_PROVIDE_THREAD_MOVE_ASSIGN_CALLS_TERMINATE_IF_JOINABLE \
 192  && ! defined BOOST_THREAD_PROVIDES_THREAD_MOVE_ASSIGN_CALLS_TERMINATE_IF_JOINABLE
 193 #define BOOST_THREAD_PROVIDES_THREAD_MOVE_ASSIGN_CALLS_TERMINATE_IF_JOINABLE
 194 #endif
 195
 196 // PROVIDE_FUTURE
 197 #if ! defined BOOST_THREAD_DONT_PROVIDE_FUTURE \
 198  && ! defined BOOST_THREAD_PROVIDES_FUTURE
 199 #define BOOST_THREAD_PROVIDES_FUTURE
 200 #endif
 201
 202 // FUTURE_CTOR_ALLOCATORS
 203 #if ! defined BOOST_THREAD_DONT_PROVIDE_FUTURE_CTOR_ALLOCATORS \
 204  && ! defined BOOST_THREAD_PROVIDES_FUTURE_CTOR_ALLOCATORS
 205 #define BOOST_THREAD_PROVIDES_FUTURE_CTOR_ALLOCATORS
 206 #endif
 207
 208 // SHARED_MUTEX_UPWARDS_CONVERSIONS
 209 #if ! defined BOOST_THREAD_DONT_PROVIDE_SHARED_MUTEX_UPWARDS_CONVERSIONS \
 210  && ! defined BOOST_THREAD_PROVIDES_SHARED_MUTEX_UPWARDS_CONVERSIONS
 211 #define BOOST_THREAD_PROVIDES_SHARED_MUTEX_UPWARDS_CONVERSIONS
 212 #endif
 213
 214 // PROVIDE_EXPLICIT_LOCK_CONVERSION
 215 #if ! defined BOOST_THREAD_DONT_PROVIDE_EXPLICIT_LOCK_CONVERSION \
 216  && ! defined BOOST_THREAD_PROVIDES_EXPLICIT_LOCK_CONVERSION
 217 #define BOOST_THREAD_PROVIDES_EXPLICIT_LOCK_CONVERSION
 218 #endif
 219
 220 // GENERIC_SHARED_MUTEX_ON_WIN
 221 #if ! defined BOOST_THREAD_DONT_PROVIDE_GENERIC_SHARED_MUTEX_ON_WIN \
 222  && ! defined BOOST_THREAD_PROVIDES_GENERIC_SHARED_MUTEX_ON_WIN
 223 #define BOOST_THREAD_PROVIDES_GENERIC_SHARED_MUTEX_ON_WIN
 224 #endif
 225
 226 // USE_MOVE
 227 #if ! defined BOOST_THREAD_DONT_USE_MOVE \
 228  && ! defined BOOST_THREAD_USES_MOVE
 229 #define BOOST_THREAD_USES_MOVE
 230 #endif
 231
 232 #endif
 233
 234 // deprecated since version 4
 235 #if BOOST_THREAD_VERSION < 4
 236
 237 // NESTED_LOCKS
 238 #if ! defined BOOST_THREAD_PROVIDES_NESTED_LOCKS \
 239  && ! defined BOOST_THREAD_DONT_PROVIDE_NESTED_LOCKS
 240 #define BOOST_THREAD_PROVIDES_NESTED_LOCKS
 241 #endif
 242
 243 // CONDITION
 244 #if ! defined BOOST_THREAD_PROVIDES_CONDITION \
 245  && ! defined BOOST_THREAD_DONT_PROVIDE_CONDITION
 246 #define BOOST_THREAD_PROVIDES_CONDITION
 247 #endif
 248
 249 // USE_DATETIME
 250 #if ! defined BOOST_THREAD_DONT_USE_DATETIME \
 251  && ! defined BOOST_THREAD_USES_DATETIME
 252 #define BOOST_THREAD_USES_DATETIME
 253 #endif
 254 #endif
 255
 256 #if BOOST_THREAD_VERSION>=4
 257
 258 // SIGNATURE_PACKAGED_TASK
 259 #if ! defined BOOST_THREAD_PROVIDES_SIGNATURE_PACKAGED_TASK \
 260  && ! defined BOOST_THREAD_DONT_PROVIDE_SIGNATURE_PACKAGED_TASK
 261 #define BOOST_THREAD_PROVIDES_SIGNATURE_PACKAGED_TASK
 262 #endif
 263
 264 // VARIADIC_THREAD
 265 #if ! defined BOOST_THREAD_PROVIDES_VARIADIC_THREAD \
 266  && ! defined BOOST_THREAD_DONT_PROVIDE_VARIADIC_THREAD
 267
 268 #if ! defined(BOOST_NO_SFINAE_EXPR) && \
 269     ! defined(BOOST_NO_CXX11_VARIADIC_TEMPLATES) && \
 270     ! defined(BOOST_NO_CXX11_DECLTYPE) && \
 271     ! defined(BOOST_NO_CXX11_DECLTYPE_N3276) && \
 272     ! defined(BOOST_NO_CXX11_TRAILING_RESULT_TYPES) && \
 273     ! defined(BOOST_NO_CXX11_RVALUE_REFERENCES) && \
 274     ! defined(BOOST_NO_CXX11_HDR_TUPLE)
 275
 276 #define BOOST_THREAD_PROVIDES_VARIADIC_THREAD
 277 #endif
 278 #endif
 279
 280 #if ! defined BOOST_THREAD_PROVIDES_FUTURE_WHEN_ALL_WHEN_ANY \
 281  && ! defined BOOST_THREAD_DONT_PROVIDE_FUTURE_WHEN_ALL_WHEN_ANY
 282
 283 #if ! defined(BOOST_NO_CXX11_VARIADIC_TEMPLATES) && \
 284     ! defined(BOOST_NO_CXX11_HDR_TUPLE)
 285
 286 #define BOOST_THREAD_PROVIDES_FUTURE_WHEN_ALL_WHEN_ANY
 287 #endif
 288 #endif
 289
 290 //    ! defined(BOOST_NO_SFINAE_EXPR) &&
 291 //    ! defined(BOOST_NO_CXX11_RVALUE_REFERENCES) &&
 292 //    ! defined(BOOST_NO_CXX11_AUTO) &&
 293 //    ! defined(BOOST_NO_CXX11_DECLTYPE) &&
 294 //    ! defined(BOOST_NO_CXX11_DECLTYPE_N3276) &&
 295
 296
 297 // MAKE_READY_AT_THREAD_EXIT
 298 #if ! defined BOOST_THREAD_PROVIDES_MAKE_READY_AT_THREAD_EXIT \
 299  && ! defined BOOST_THREAD_DONT_PROVIDE_MAKE_READY_AT_THREAD_EXIT
 300
 301 //#if defined BOOST_THREAD_PROVIDES_SIGNATURE_PACKAGED_TASK && defined(BOOST_THREAD_PROVIDES_VARIADIC_THREAD)
 302 #define BOOST_THREAD_PROVIDES_MAKE_READY_AT_THREAD_EXIT
 303 //#endif
 304 #endif
 305
 306 // FUTURE_CONTINUATION
 307 #if ! defined BOOST_THREAD_PROVIDES_FUTURE_CONTINUATION \
 308  && ! defined BOOST_THREAD_DONT_PROVIDE_FUTURE_CONTINUATION
 309 #define BOOST_THREAD_PROVIDES_FUTURE_CONTINUATION
 310 #endif
 311
 312 #if ! defined BOOST_THREAD_PROVIDES_FUTURE_UNWRAP \
 313  && ! defined BOOST_THREAD_DONT_PROVIDE_FUTURE_UNWRAP
 314 #define BOOST_THREAD_PROVIDES_FUTURE_UNWRAP
 315 #endif
 316
 317 // FUTURE_INVALID_AFTER_GET
 318 #if ! defined BOOST_THREAD_PROVIDES_FUTURE_INVALID_AFTER_GET \
 319  && ! defined BOOST_THREAD_DONT_PROVIDE_FUTURE_INVALID_AFTER_GET
 320 #define BOOST_THREAD_PROVIDES_FUTURE_INVALID_AFTER_GET
 321 #endif
 322
 323 // NESTED_LOCKS
 324 #if ! defined BOOST_THREAD_PROVIDES_NESTED_LOCKS \
 325  && ! defined BOOST_THREAD_DONT_PROVIDE_NESTED_LOCKS
 326 #define BOOST_THREAD_DONT_PROVIDE_NESTED_LOCKS
 327 #endif
 328
 329 // CONDITION
 330 #if ! defined BOOST_THREAD_PROVIDES_CONDITION \
 331  && ! defined BOOST_THREAD_DONT_PROVIDE_CONDITION
 332 #define BOOST_THREAD_DONT_PROVIDE_CONDITION
 333 #endif
 334
 335 #endif // BOOST_THREAD_VERSION>=4
 336
 337
 338 #if BOOST_THREAD_VERSION>=5
 339 //#define BOOST_THREAD_FUTURE_BLOCKING
 340 #else
 341 //#define BOOST_THREAD_FUTURE_BLOCKING
 342 #define BOOST_THREAD_ASYNC_FUTURE_WAITS
 343 #endif
 344 // INTERRUPTIONS
 345 #if ! defined BOOST_THREAD_PROVIDES_INTERRUPTIONS \
 346  && ! defined BOOST_THREAD_DONT_PROVIDE_INTERRUPTIONS
 347 #define BOOST_THREAD_PROVIDES_INTERRUPTIONS
 348 #endif
 349
 350 // CORRELATIONS
 351
 352 // EXPLICIT_LOCK_CONVERSION.
 353 #if defined BOOST_THREAD_PROVIDES_EXPLICIT_LOCK_CONVERSION
 354 #define BOOST_THREAD_EXPLICIT_LOCK_CONVERSION explicit
 355 #else
 356 #define BOOST_THREAD_EXPLICIT_LOCK_CONVERSION
 357 #endif
 358
 359 // BOOST_THREAD_PROVIDES_GENERIC_SHARED_MUTEX_ON_WIN is defined if BOOST_THREAD_PROVIDES_SHARED_MUTEX_UPWARDS_CONVERSIONS
 360 #if defined BOOST_THREAD_PROVIDES_SHARED_MUTEX_UPWARDS_CONVERSIONS \
 361 && ! defined BOOST_THREAD_PROVIDES_GENERIC_SHARED_MUTEX_ON_WIN
 362 #define BOOST_THREAD_PROVIDES_GENERIC_SHARED_MUTEX_ON_WIN
 363 #endif
 364
 365 // For C++11 call_once interface the compiler MUST support constexpr.
 366 // Otherwise once_flag would be initialized during dynamic initialization stage, which is not thread-safe.
 367 #if defined(BOOST_THREAD_PROVIDES_ONCE_CXX11)
 368 #if defined(BOOST_NO_CXX11_CONSTEXPR)
 369 #undef BOOST_THREAD_PROVIDES_ONCE_CXX11
 370 #endif
 371 #endif
 372
 373 #if defined(BOOST_THREAD_PLATFORM_WIN32) && defined BOOST_THREAD_DONT_USE_DATETIME
 374 #undef BOOST_THREAD_DONT_USE_DATETIME
 375 #define BOOST_THREAD_USES_DATETIME
 376 #endif
 377
 378 #if defined(BOOST_THREAD_PLATFORM_WIN32) && defined BOOST_THREAD_DONT_USE_CHRONO
 379 #undef BOOST_THREAD_DONT_USE_CHRONO
 380 #define BOOST_THREAD_USES_CHRONO
 381 #endif
 382
 383 // BOOST_THREAD_PROVIDES_DEPRECATED_FEATURES_SINCE_V3_0_0 defined by default up to Boost 1.55
 384 // BOOST_THREAD_DONT_PROVIDE_DEPRECATED_FEATURES_SINCE_V3_0_0 defined by default up to Boost 1.55
 385 #if defined BOOST_THREAD_PROVIDES_DEPRECATED_FEATURES_SINCE_V3_0_0
 386
 387 #if  ! defined BOOST_THREAD_PROVIDES_THREAD_EQ
 388 #define BOOST_THREAD_PROVIDES_THREAD_EQ
 389 #endif
 390
 391 #endif
 392
 393
 394 //#if ! defined BOOST_NO_CXX11_RVALUE_REFERENCES || defined BOOST_THREAD_USES_MOVE
 395 #if ! defined BOOST_NO_CXX11_RVALUE_REFERENCES
 396 #define BOOST_THREAD_FUTURE_USES_OPTIONAL
 397 #endif
 398
 399 #if BOOST_WORKAROUND(__BORLANDC__, < 0x600)
 400 #  pragma warn -8008 // Condition always true/false
 401 #  pragma warn -8080 // Identifier declared but never used
 402 #  pragma warn -8057 // Parameter never used
 403 #  pragma warn -8066 // Unreachable code
 404 #endif
 405
 406 #include <boost/thread/detail/platform.hpp>
 407
 408 #if defined(BOOST_THREAD_PLATFORM_WIN32)
 409 #else
 410   #   if defined(BOOST_HAS_PTHREAD_DELAY_NP) || defined(BOOST_HAS_NANOSLEEP)
 411   #     define BOOST_THREAD_SLEEP_FOR_IS_STEADY
 412   #   endif
 413 #endif
 414
 415 #if defined(BOOST_THREAD_CHRONO_WINDOWS_API)
 416   #define BOOST_THREAD_HAS_MONO_CLOCK
 417   #define BOOST_THREAD_INTERNAL_CLOCK_IS_MONO
 418 #elif defined(BOOST_THREAD_CHRONO_MAC_API)
 419   #define BOOST_THREAD_HAS_MONO_CLOCK
 420 #else
 421   #include <time.h> // check for CLOCK_MONOTONIC
 422   #if defined(CLOCK_MONOTONIC)
 423     #define BOOST_THREAD_HAS_MONO_CLOCK
 424     #define BOOST_THREAD_INTERNAL_CLOCK_IS_MONO
 425   #endif
 426 #endif
 427
 428 #if defined(BOOST_THREAD_PLATFORM_WIN32)
 429 #elif ! defined BOOST_THREAD_INTERNAL_CLOCK_IS_MONO
 430 #if defined BOOST_PTHREAD_HAS_TIMEDLOCK
 431 #define BOOST_THREAD_USES_PTHREAD_TIMEDLOCK
 432 #elif (defined(_POSIX_TIMEOUTS) && (_POSIX_TIMEOUTS-0)>=200112L) \
 433  || (defined(__ANDROID__) && defined(__ANDROID_API__) && __ANDROID_API__ >= 21)
 434 #define BOOST_THREAD_USES_PTHREAD_TIMEDLOCK
 435 #endif
 436 #endif
 437
 438 // provided for backwards compatibility, since this
 439 // macro was used for several releases by mistake.
 440 #if defined(BOOST_THREAD_DYN_DLL) && ! defined(BOOST_THREAD_DYN_LINK)
 441 # define BOOST_THREAD_DYN_LINK
 442 #endif
 443
 444 // compatibility with the rest of Boost's auto-linking code:
 445 #if defined(BOOST_THREAD_DYN_LINK) || defined(BOOST_ALL_DYN_LINK)
 446 # undef  BOOST_THREAD_USE_LIB
 447 # if !defined(BOOST_THREAD_USE_DLL)
 448 #  define BOOST_THREAD_USE_DLL
 449 # endif
 450 #endif
 451
 452 #if defined(BOOST_THREAD_BUILD_DLL)   //Build dll
 453 #elif defined(BOOST_THREAD_BUILD_LIB) //Build lib
 454 #elif defined(BOOST_THREAD_USE_DLL)   //Use dll
 455 #elif defined(BOOST_THREAD_USE_LIB)   //Use lib
 456 #else //Use default
 457 #   if defined(BOOST_THREAD_PLATFORM_WIN32)
 458 #       if defined(BOOST_MSVC) || defined(BOOST_INTEL_WIN) \
 459       || defined(__MINGW32__) || defined(MINGW32) || defined(BOOST_MINGW32)
 460       //For compilers supporting auto-tss cleanup
 461             //with Boost.Threads lib, use Boost.Threads lib
 462 #           define BOOST_THREAD_USE_LIB
 463 #       else
 464             //For compilers not yet supporting auto-tss cleanup
 465             //with Boost.Threads lib, use Boost.Threads dll
 466 #           define BOOST_THREAD_USE_DLL
 467 #       endif
 468 #   else
 469 #       define BOOST_THREAD_USE_LIB
 470 #   endif
 471 #endif
 472
 473 #if defined(BOOST_HAS_DECLSPEC)
 474 #   if defined(BOOST_THREAD_BUILD_DLL) //Build dll
 475 #       define BOOST_THREAD_DECL BOOST_SYMBOL_EXPORT
 476 //#       define BOOST_THREAD_DECL __declspec(dllexport)
 477
 478 #   elif defined(BOOST_THREAD_USE_DLL) //Use dll
 479 #       define BOOST_THREAD_DECL BOOST_SYMBOL_IMPORT
 480 //#       define BOOST_THREAD_DECL __declspec(dllimport)
 481 #   else
 482 #       define BOOST_THREAD_DECL
 483 #   endif
 484 #elif (__GNUC__ == 4 && __GNUC_MINOR__ >= 1) || (__GNUC__ > 4)
 485 #  define BOOST_THREAD_DECL BOOST_SYMBOL_VISIBLE
 486
 487 #else
 488 #   define BOOST_THREAD_DECL
 489 #endif // BOOST_HAS_DECLSPEC
 490
 491 //
 492 // Automatically link to the correct build variant where possible.
 493 //
 494 #if !defined(BOOST_ALL_NO_LIB) && !defined(BOOST_THREAD_NO_LIB) && !defined(BOOST_THREAD_BUILD_DLL) && !defined(BOOST_THREAD_BUILD_LIB)
 495 //
 496 // Tell the autolink to link dynamically, this will get undef'ed by auto_link.hpp
 497 // once it's done with it:
 498 //
 499 #if defined(BOOST_THREAD_USE_DLL) &  ! defined(BOOST_DYN_LINK)
 500 #   define BOOST_DYN_LINK
 501 #endif
 502 //
 503 // Set the name of our library, this will get undef'ed by auto_link.hpp
 504 // once it's done with it:
 505 //
 506 #if defined(BOOST_THREAD_LIB_NAME)
 507 #    define BOOST_LIB_NAME BOOST_THREAD_LIB_NAME
 508 #else
 509 #    define BOOST_LIB_NAME boost_thread
 510 #endif
 511 //
 512 // If we're importing code from a dll, then tell auto_link.hpp about it:
 513 //
 514 // And include the header that does the work:
 515 //
 516 #include <boost/config/auto_link.hpp>
 517 #endif  // auto-linking disabled
 518
 519 #endif // BOOST_THREAD_CONFIG_WEK1032003_HPP
 520
 521 // Change Log:
 522 //   22 Jan 05 Roland Schwarz (speedsnail)
 523 //      Usage of BOOST_HAS_DECLSPEC macro.
 524 //      Default again is static lib usage.
 525 //      BOOST_DYN_LINK only defined when autolink included.