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Add comments that explain the need for globals.

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This commit is contained in:
Petr Mitrichev 2018-06-28 17:33:31 +02:00
commit 40ea0a9606
1 changed files with 12 additions and 0 deletions
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12
Lib/python/pyrun.swg
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@ -259,6 +259,9 @@ _SWIG_Py_None(void)
return none; return none;
} }
/* This used to be a function-local static variable, but accessing Python
* C API from inside a function-local static initializer can lead to deadlocks.
* https://github.com/swig/swig/issues/1275 */
static PyObject *SWIG_Py_None_global = 0; static PyObject *SWIG_Py_None_global = 0;
SWIGRUNTIME void SWIG_Py_None_global_Init(void) { SWIGRUNTIME void SWIG_Py_None_global_Init(void) {
@ -506,6 +509,9 @@ SWIGRUNTIME void SwigPyObject_type_global_Init(void) {
// Do nothing // Do nothing
} }
#else #else
/* This used to be a function-local static variable, but accessing Python
* C API from inside a function-local static initializer can lead to deadlocks.
* https://github.com/swig/swig/issues/1275 */
static PyTypeObject *SwigPyObject_type_global = 0; static PyTypeObject *SwigPyObject_type_global = 0;
SWIGRUNTIME void SwigPyObject_type_global_Init(void) { SWIGRUNTIME void SwigPyObject_type_global_Init(void) {
@ -859,6 +865,9 @@ SwigPyPacked_compare(SwigPyPacked *v, SwigPyPacked *w)
SWIGRUNTIME PyTypeObject* SwigPyPacked_TypeOnce(void); SWIGRUNTIME PyTypeObject* SwigPyPacked_TypeOnce(void);
/* This used to be a function-local static variable, but accessing Python
* C API from inside a function-local static initializer can lead to deadlocks.
* https://github.com/swig/swig/issues/1275 */
static PyTypeObject* SwigPyPacked_type_global = 0; static PyTypeObject* SwigPyPacked_type_global = 0;
SWIGRUNTIME void SwigPyPacked_type_global_Init(void) { SWIGRUNTIME void SwigPyPacked_type_global_Init(void) {
@ -1467,6 +1476,9 @@ SWIG_Python_SetModule(swig_module_info *swig_module) {
} }
} }
/* This used to be a function-local static variable, but accessing Python
* C API from inside a function-local static initializer can lead to deadlocks.
* https://github.com/swig/swig/issues/1275 */
static PyObject *SWIG_Python_TypeCache_global = 0; static PyObject *SWIG_Python_TypeCache_global = 0;
SWIGRUNTIME void SWIG_Python_TypeCache_global_Init(void) { SWIGRUNTIME void SWIG_Python_TypeCache_global_Init(void) {