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add thread support based in proposal #398495 by Joseph Winston

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git-svn-id: https://swig.svn.sourceforge.net/svnroot/swig/trunk@7929 626c5289-ae23-0410-ae9c-e8d60b6d4f22
This commit is contained in:
Marcelo Matus 2005-12-06 06:39:24 +00:00
commit 8839f3dfb0
16 changed files with 337 additions and 37 deletions
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72
SWIG/Lib/python/pythreads.swg Normal file
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#if !defined(SWIG_PYTHON_NO_THREADING)
# if !defined(SWIG_PYTHON_THREADING)
# define SWIG_PYTHON_THREADING
# endif
#else
# if defined(SWIG_PYTHON_THREADING)
# undef SWIG_PYTHON_THREADING
# endif
#endif
#if defined(SWIG_PYTHON_THREADING) /* Threading support is enabled */
# if !defined(SWIG_PYTHON_USE_GIL) && !defined(SWIG_PYTHON_NO_USE_GIL)
# if (PY_VERSION_HEX >= 0x02030000) /* For 2.3 or later, use the PyGILState calls */
# define SWIG_PYTHON_USE_GIL
# endif
# endif
# if defined(SWIG_PYTHON_USE_GIL) /* Use PyGILState threads calls */
# if !defined(SWIG_PYTHON_INITIALIZE_THREADING)
# define SWIG_PYTHON_INITIALIZE_THREADING PyEval_InitThreads()
# endif
# ifdef __cplusplus
class SWIG_Python_Thread_Block {
bool status;
PyGILState_STATE state;
public:
void begin() { if (!status) { state = PyGILState_Ensure(); status = true;} }
void end() { if (status) { PyGILState_Release(state); status = false;} }
SWIG_Python_Thread_Block() : status(false) { begin(); }
~SWIG_Python_Thread_Block() { end(); }
};
class SWIG_Python_Thread_Allow {
bool status;
PyThreadState *save;
public:
void begin() { if (!status) { status = true; save = PyEval_SaveThread(); }}
void end() { if (status) { PyEval_RestoreThread(save); status = false; }}
SWIG_Python_Thread_Allow() : status(false) { begin(); }
~SWIG_Python_Thread_Allow() { end(); }
};
# define SWIG_PYTHON_THREAD_BEGIN_BLOCK SWIG_Python_Thread_Block _swig_thread_block
# define SWIG_PYTHON_THREAD_END_BLOCK _swig_thread_block.end()
# define SWIG_PYTHON_THREAD_BEGIN_ALLOW SWIG_Python_Thread_Allow _swig_thread_allow
# define SWIG_PYTHON_THREAD_END_ALLOW _swig_thread_allow.end()
# else /* C++ */
# define SWIG_PYTHON_THREAD_BEGIN_BLOCK PyGILState_STATE _swig_thread_allow = PyGILState_Ensure()
# define SWIG_PYTHON_THREAD_END_BLOCK PyGILState_Release(_swig_thread_allow)
# define SWIG_PYTHON_THREAD_BEGIN_ALLOW Py_BEGIN_ALLOW_THREADS
# define SWIG_PYTHON_THREAD_END_ALLOW Py_END_ALLOW_THREADS
# endif
# else /* Old thread way, not implemented, user must provide it */
# if !defined(SWIG_PYTHON_INITIALIZE_THREADING)
# define SWIG_PYTHON_INITIALIZE_THREADING
# endif
# if !defined(SWIG_PYTHON_THREAD_BEGIN_BLOCK)
# define SWIG_PYTHON_THREAD_BEGIN_BLOCK
# endif
# if !defined(SWIG_PYTHON_THREAD_END_BLOCK)
# define SWIG_PYTHON_THREAD_END_BLOCK
# endif
# if !defined(SWIG_PYTHON_THREAD_BEGIN_ALLOW)
# define SWIG_PYTHON_THREAD_BEGIN_ALLOW
# endif
# if !defined(SWIG_PYTHON_THREAD_END_ALLOW)
# define SWIG_PYTHON_THREAD_END_ALLOW
# endif
# endif
#else /* No thread support */
# define SWIG_PYTHON_INITIALIZE_THREADING
# define SWIG_PYTHON_THREAD_BEGIN_BLOCK
# define SWIG_PYTHON_THREAD_END_BLOCK
# define SWIG_PYTHON_THREAD_BEGIN_ALLOW
# define SWIG_PYTHON_THREAD_END_ALLOW
#endif