winTLS.cpp 2.7 KB

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  1. //-----------------------------------------------------------------------------
  2. // Copyright (c) 2012 GarageGames, LLC
  3. //
  4. // Permission is hereby granted, free of charge, to any person obtaining a copy
  5. // of this software and associated documentation files (the "Software"), to
  6. // deal in the Software without restriction, including without limitation the
  7. // rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
  8. // sell copies of the Software, and to permit persons to whom the Software is
  9. // furnished to do so, subject to the following conditions:
  10. //
  11. // The above copyright notice and this permission notice shall be included in
  12. // all copies or substantial portions of the Software.
  13. //
  14. // THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
  15. // IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
  16. // FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
  17. // AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
  18. // LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
  19. // FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
  20. // IN THE SOFTWARE.
  21. //-----------------------------------------------------------------------------
  22. #include "platform/platformTLS.h"
  23. #include "platformWin32/platformWin32.h"
  24. #include "core/util/safeDelete.h"
  25. #define TORQUE_ALLOC_STORAGE(member, cls, data) \
  26. AssertFatal(sizeof(cls) <= sizeof(data), avar("Error, storage for %s must be %d bytes.", #cls, sizeof(cls))); \
  27. member = (cls *) data; \
  28. constructInPlace(member)
  29. //-----------------------------------------------------------------------------
  30. struct PlatformThreadStorage
  31. {
  32. DWORD mTlsIndex;
  33. };
  34. //-----------------------------------------------------------------------------
  35. ThreadStorage::ThreadStorage()
  36. {
  37. TORQUE_ALLOC_STORAGE(mThreadStorage, PlatformThreadStorage, mStorage);
  38. mThreadStorage->mTlsIndex = TlsAlloc();
  39. }
  40. ThreadStorage::~ThreadStorage()
  41. {
  42. TlsFree(mThreadStorage->mTlsIndex);
  43. destructInPlace(mThreadStorage);
  44. }
  45. void *ThreadStorage::get()
  46. {
  47. return TlsGetValue(mThreadStorage->mTlsIndex);
  48. }
  49. void ThreadStorage::set(void *value)
  50. {
  51. TlsSetValue(mThreadStorage->mTlsIndex, value);
  52. }
  53. /* POSIX IMPLEMENTATION LOOKS LIKE THIS:
  54. class PlatformThreadStorage
  55. {
  56. pthread_key_t mThreadKey;
  57. };
  58. ThreadStorage::ThreadStorage()
  59. {
  60. TORQUE_ALLOC_STORAGE(mThreadStorage, PlatformThreadStorage, mStorage);
  61. pthread_key_create(&mThreadStorage->mThreadKey, NULL);
  62. }
  63. ThreadStorage::~ThreadStorage()
  64. {
  65. pthread_key_delete(mThreadStorage->mThreadKey);
  66. }
  67. void *ThreadStorage::get()
  68. {
  69. return pthread_getspecific(mThreadStorage->mThreadKey);
  70. }
  71. void ThreadStorage::set(void *value)
  72. {
  73. pthread_setspecific(mThreadStorage->mThreadKey, value);
  74. }
  75. */