58 lines
1.4 KiB
C++
58 lines
1.4 KiB
C++
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/*
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* PyScModule.cpp
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*
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* Created on: 08.06.2019
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* Author: eyck
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*/
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#include "PyScModule.h"
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#define PY_SSIZE_T_CLEAN
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#include <python3.6/Python.h>
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class TPyScriptThreadLocker {
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PyGILState_STATE m_state;
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public:
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TPyScriptThreadLocker(): m_state(PyGILState_Ensure()) {}
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~TPyScriptThreadLocker() { PyGILState_Release(m_state); }
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};
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scc::PyScModule::PyScModule(PyObject* self, const sc_core::sc_module_name& nm)
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: sc_core::sc_module(nm)
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, self(self)
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{
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if (! PyEval_ThreadsInitialized())
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PyEval_InitThreads();
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Py_INCREF(self);
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}
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scc::PyScModule::~PyScModule() {
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Py_DECREF(self);
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}
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void scc::PyScModule::before_end_of_elaboration(){
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invoke_callback("BeforeEndOfElaboration");
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}
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void scc::PyScModule::end_of_elaboration(){
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invoke_callback("EndOfElaboration");
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}
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void scc::PyScModule::start_of_simulation(){
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invoke_callback("StartOfSimulation");
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}
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void scc::PyScModule::end_of_simulation(){
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invoke_callback("EndOfSimulation");
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}
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void scc::PyScModule::invoke_callback(const char* callback_name) {
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// acquiring the GIL
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PyGILState_STATE gstate;
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gstate = PyGILState_Ensure();
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if(PyObject_HasAttrString(self, callback_name)){
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auto* func = PyObject_GetAttrString(self, callback_name);
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PyObject_CallFunctionObjArgs(func, nullptr);
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}
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// Release the thread. No Python API allowed beyond this point.
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PyGILState_Release(gstate);
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}
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