void
_PyCrossInterpreterData_Release(_PyCrossInterpreterData *data)
{
if (data->data == NULL && data->obj == NULL) {
// Nothing to release!
return;
}
// Switch to the original interpreter.
PyInterpreterState *interp = _PyInterpreterState_LookUpID(data->interp);
if (interp == NULL) {
// The intepreter was already destroyed.
if (data->free != NULL) {
// XXX Someone leaked some memory...
}
return;
}
// "Release" the data and/or the object.
_call_in_interpreter(interp, _release_xidata, data);
}
void
_PyCrossInterpreterData_Release(_PyCrossInterpreterData *data)
{
if (data->data == NULL && data->obj == NULL) {
// Nothing to release!
return;
}
// Switch to the original interpreter.
PyInterpreterState *interp = _PyInterpreterState_LookUpID(data->interp);
if (interp == NULL) {
// The intepreter was already destroyed.
if (data->free != NULL) {
// XXX Someone leaked some memory...
}
return;
}
PyThreadState *save_tstate = NULL;
if (interp != PyThreadState_Get()->interp) {
// XXX Using the "head" thread isn't strictly correct.
PyThreadState *tstate = PyInterpreterState_ThreadHead(interp);
// XXX Possible GILState issues?
save_tstate = PyThreadState_Swap(tstate);
}
// "Release" the data and/or the object.
if (data->free != NULL) {
data->free(data->data);
}
Py_XDECREF(data->obj);
// Switch back.
if (save_tstate != NULL) {
PyThreadState_Swap(save_tstate);
}
}
void
_PyCrossInterpreterData_Release(_PyCrossInterpreterData *data)
{
if (data->data == NULL && data->obj == NULL) {
// Nothing to release!
return;
}
// Get the original interpreter.
PyInterpreterState *interp = _PyInterpreterState_LookUpID(data->interp);
if (interp == NULL) {
// The intepreter was already destroyed.
if (data->free != NULL) {
// XXX Someone leaked some memory...
}
return;
}
// XXX There's an ever-so-slight race here...
if (interp->finalizing) {
// XXX Someone leaked some memory...
return;
}
// "Release" the data and/or the object.
_PyCrossInterpreterData *copied = PyMem_Malloc(sizeof(_PyCrossInterpreterData));
if (copied == NULL) {
PyErr_SetString(PyExc_MemoryError,
"Not enough memory to preserve cross-interpreter data");
PyErr_Print();
return;
}
memcpy(copied, data, sizeof(_PyCrossInterpreterData));
if (_Py_AddPendingCall(interp, 0, _release_xidata, copied) != 0) {
// XXX Queue full or couldn't get lock. Try again somehow?
}
}
