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added interpreter_counter to deinitialize only once in case of subinterpreters

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benjamin-sch 2022-01-12 14:22:11 +01:00 • committed by benjamin-sch
commit a9f76c89ec
1 changed files with 6 additions and 0 deletions
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6
Lib/python/pyrun.swg
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@ -1643,12 +1643,17 @@ SWIG_Python_GetModule(void *SWIGUNUSEDPARM(clientdata)) {
return (swig_module_info *) type_pointer;
}
static int interpreter_counter = 0; // how many (sub-)interpreters are using swig_module's types
SWIGRUNTIME void
SWIG_Python_DestroyModule(PyObject *obj)
{
swig_module_info *swig_module = (swig_module_info *) PyCapsule_GetPointer(obj, SWIGPY_CAPSULE_NAME);
swig_type_info **types = swig_module->types;
size_t i;
if (--interpreter_counter != 0) // another sub-interpreter may still be using the swig_module's types
return;
for (i =0; i < swig_module->size; ++i) {
swig_type_info *ty = types[i];
if (ty->owndata) {
@ -1676,6 +1681,7 @@ SWIG_Python_SetModule(swig_module_info *swig_module) {
#endif
PyObject *pointer = PyCapsule_New((void *) swig_module, SWIGPY_CAPSULE_NAME, SWIG_Python_DestroyModule);
if (pointer && module) {
++interpreter_counter;
if (PyModule_AddObject(module, "type_pointer_capsule" SWIG_TYPE_TABLE_NAME, pointer) != 0) {
Py_DECREF(pointer);
}