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simplify the thread implementation, use feature 'nothread' to disable threads instead of 'thread' to enable them, plus other fixes around threads

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git-svn-id: https://swig.svn.sourceforge.net/svnroot/swig/trunk/SWIG@7933 626c5289-ae23-0410-ae9c-e8d60b6d4f22
This commit is contained in:
Marcelo Matus 2005-12-06 19:35:03 +00:00
commit 2eeef5275d
6 changed files with 62 additions and 101 deletions
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34
Lib/python/pythreads.swg
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@ -1,24 +1,22 @@
#if defined(SWIG_PYTHON_NO_THREADING)
# if defined(SWIG_PYTHON_THREADING)
# undef SWIG_PYTHON_THREADING
#if defined(SWIG_PYTHON_NO_THREADS)
# if defined(SWIG_PYTHON_THREADS)
# undef SWIG_PYTHON_THREADS
# endif
#endif
#if defined(SWIG_PYTHON_THREADING) /* Threading support is enabled */
#if defined(SWIG_PYTHON_THREADS) /* 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
# define SWIG_PYTHON_INITIALIZE_THREADS PyEval_InitThreads()
# ifdef __cplusplus /* C++ code */
class SWIG_Python_Thread_Block {
bool status;
PyGILState_STATE state;
public:
void begin() { if (!status) { state = PyGILState_Ensure(); status = true;} }
public:
void end() { if (status) { PyGILState_Release(state); status = false;} }
SWIG_Python_Thread_Block() : status(false) { begin(); }
~SWIG_Python_Thread_Block() { end(); }
@ -26,8 +24,8 @@
class SWIG_Python_Thread_Allow {
bool status;
PyThreadState *save;
void begin() { if (!status) { status = true; save = PyEval_SaveThread(); } }
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(); }
@ -36,15 +34,15 @@
# 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
# else /* C code */
# define SWIG_PYTHON_THREAD_BEGIN_BLOCK PyGILState_STATE _swig_thread_block = PyGILState_Ensure()
# define SWIG_PYTHON_THREAD_END_BLOCK PyGILState_Release(_swig_thread_block)
# define SWIG_PYTHON_THREAD_BEGIN_ALLOW PyThreadState *_swig_thread_allow = PyEval_SaveThread()
# define SWIG_PYTHON_THREAD_END_ALLOW PyEval_RestoreThread(_swig_thread_allow)
# endif
# else /* Old thread way, not implemented, user must provide it */
# if !defined(SWIG_PYTHON_INITIALIZE_THREADING)
# define SWIG_PYTHON_INITIALIZE_THREADING
# if !defined(SWIG_PYTHON_INITIALIZE_THREADS)
# define SWIG_PYTHON_INITIALIZE_THREADS
# endif
# if !defined(SWIG_PYTHON_THREAD_BEGIN_BLOCK)
# define SWIG_PYTHON_THREAD_BEGIN_BLOCK
@ -60,7 +58,7 @@
# endif
# endif
#else /* No thread support */
# define SWIG_PYTHON_INITIALIZE_THREADING
# define SWIG_PYTHON_INITIALIZE_THREADS
# define SWIG_PYTHON_THREAD_BEGIN_BLOCK
# define SWIG_PYTHON_THREAD_END_BLOCK
# define SWIG_PYTHON_THREAD_BEGIN_ALLOW