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/trunk/Lib/python/pythreads.swg

#
Unknown | 66 lines | 66 code | 0 blank | 0 comment | 0 complexity | 2700a288947018aaa48a751e04b32fc3 MD5 | raw file
Possible License(s): LGPL-2.1, Cube, GPL-3.0, 0BSD, GPL-2.0 
    

  1. #if defined(SWIG_PYTHON_NO_THREADS)
    2. 

  2. #  if defined(SWIG_PYTHON_THREADS)
    3. 

  3. #    undef SWIG_PYTHON_THREADS
    4. 

  4. #  endif
    5. 

  5. #endif
    6. 

  6. #if defined(SWIG_PYTHON_THREADS) /* Threading support is enabled */
    7. 

  7. #  if !defined(SWIG_PYTHON_USE_GIL) && !defined(SWIG_PYTHON_NO_USE_GIL)
    8. 

  8. #    if (PY_VERSION_HEX >= 0x02030000) /* For 2.3 or later, use the PyGILState calls */
    9. 

  9. #      define SWIG_PYTHON_USE_GIL
    10. 

  10. #    endif
    11. 

  11. #  endif
    12. 

  12. #  if defined(SWIG_PYTHON_USE_GIL) /* Use PyGILState threads calls */
    13. 

  13. #    ifndef SWIG_PYTHON_INITIALIZE_THREADS
    14. 

  14. #     define SWIG_PYTHON_INITIALIZE_THREADS  PyEval_InitThreads() 
    15. 

  15. #    endif
    16. 

  16. #    ifdef __cplusplus /* C++ code */
    17. 

  17.        class SWIG_Python_Thread_Block {
    18. 

  18.          bool status;
    19. 

  19.          PyGILState_STATE state;
    20. 

  20.        public:
    21. 

  21.          void end() { if (status) { PyGILState_Release(state); status = false;} }
    22. 

  22.          SWIG_Python_Thread_Block() : status(true), state(PyGILState_Ensure()) {}
    23. 

  23.          ~SWIG_Python_Thread_Block() { end(); }
    24. 

  24.        };
    25. 

  25.        class SWIG_Python_Thread_Allow {
    26. 

  26.          bool status;
    27. 

  27.          PyThreadState *save;
    28. 

  28.        public:
    29. 

  29.          void end() { if (status) { PyEval_RestoreThread(save); status = false; }}
    30. 

  30.          SWIG_Python_Thread_Allow() : status(true), save(PyEval_SaveThread()) {}
    31. 

  31.          ~SWIG_Python_Thread_Allow() { end(); }
    32. 

  32.        };
    33. 

  33. #      define SWIG_PYTHON_THREAD_BEGIN_BLOCK   SWIG_Python_Thread_Block _swig_thread_block
    34. 

  34. #      define SWIG_PYTHON_THREAD_END_BLOCK     _swig_thread_block.end()
    35. 

  35. #      define SWIG_PYTHON_THREAD_BEGIN_ALLOW   SWIG_Python_Thread_Allow _swig_thread_allow
    36. 

  36. #      define SWIG_PYTHON_THREAD_END_ALLOW     _swig_thread_allow.end()
    37. 

  37. #    else /* C code */
    38. 

  38. #      define SWIG_PYTHON_THREAD_BEGIN_BLOCK   PyGILState_STATE _swig_thread_block = PyGILState_Ensure()
    39. 

  39. #      define SWIG_PYTHON_THREAD_END_BLOCK     PyGILState_Release(_swig_thread_block)
    40. 

  40. #      define SWIG_PYTHON_THREAD_BEGIN_ALLOW   PyThreadState *_swig_thread_allow = PyEval_SaveThread()
    41. 

  41. #      define SWIG_PYTHON_THREAD_END_ALLOW     PyEval_RestoreThread(_swig_thread_allow)
    42. 

  42. #    endif
    43. 

  43. #  else /* Old thread way, not implemented, user must provide it */
    44. 

  44. #    if !defined(SWIG_PYTHON_INITIALIZE_THREADS)
    45. 

  45. #      define SWIG_PYTHON_INITIALIZE_THREADS
    46. 

  46. #    endif
    47. 

  47. #    if !defined(SWIG_PYTHON_THREAD_BEGIN_BLOCK)
    48. 

  48. #      define SWIG_PYTHON_THREAD_BEGIN_BLOCK
    49. 

  49. #    endif
    50. 

  50. #    if !defined(SWIG_PYTHON_THREAD_END_BLOCK)
    51. 

  51. #      define SWIG_PYTHON_THREAD_END_BLOCK
    52. 

  52. #    endif
    53. 

  53. #    if !defined(SWIG_PYTHON_THREAD_BEGIN_ALLOW)
    54. 

  54. #      define SWIG_PYTHON_THREAD_BEGIN_ALLOW
    55. 

  55. #    endif
    56. 

  56. #    if !defined(SWIG_PYTHON_THREAD_END_ALLOW)
    57. 

  57. #      define SWIG_PYTHON_THREAD_END_ALLOW
    58. 

  58. #    endif
    59. 

  59. #  endif
    60. 

  60. #else /* No thread support */
    61. 

  61. #  define SWIG_PYTHON_INITIALIZE_THREADS
    62. 

  62. #  define SWIG_PYTHON_THREAD_BEGIN_BLOCK
    63. 

  63. #  define SWIG_PYTHON_THREAD_END_BLOCK
    64. 

  64. #  define SWIG_PYTHON_THREAD_BEGIN_ALLOW
    65. 

  65. #  define SWIG_PYTHON_THREAD_END_ALLOW
    66. 

  66. #endif
    67. 

  67.