Release the gil on BeamOn

Author: HaarigerHarald

source/geant4_pybind.cc

@@ -22,13 +22,15 @@ class G4PyCoutDestination : public G4coutDestination {
 public:
    G4int ReceiveG4cout(const G4String &coutString) override
    {
+      py::gil_scoped_acquire gil;
       auto pystdout = py::module_::import("sys").attr("stdout").attr("write");
       pystdout(coutString);
       return 0;
    }
 
    G4int ReceiveG4cerr(const G4String &cerrString) override
    {
+      py::gil_scoped_acquire gil;
       auto pystderr = py::module_::import("sys").attr("stderr").attr("write");
       pystderr(cerrString);
       return 0;

source/intercoms/pyG4UImanager.cc

@@ -16,8 +16,18 @@ void export_G4UImanager(py::module &m)
 
       .def("GetCurrentValues", &G4UImanager::GetCurrentValues)
       .def("ExecuteMacroFile", &G4UImanager::ExecuteMacroFile)
-      .def("ApplyCommand", py::overload_cast<const char *>(&G4UImanager::ApplyCommand))
-      .def("ApplyCommand", py::overload_cast<const G4String &>(&G4UImanager::ApplyCommand))
+      .def("ApplyCommand",
+           [](G4UImanager &self, const char *command) {
+              py::gil_scoped_release gil;
+              self.ApplyCommand(command);
+           })
+
+      .def("ApplyCommand",
+           [](G4UImanager &self, const G4String &command) {
+              py::gil_scoped_release gil;
+              self.ApplyCommand(command);
+           })
+
       .def("CreateHTML", &G4UImanager::CreateHTML, py::arg("dir") = "/")
       .def("SetMacroSearchPath", &G4UImanager::SetMacroSearchPath)
       .def("GetMacroSearchPath", &G4UImanager::GetMacroSearchPath)

source/run/pyG4RunManager.cc

@@ -38,8 +38,14 @@ void export_G4RunManager(py::module &m)
       .def("GetPrintProgress", &G4RunManager::GetPrintProgress)
 
       .def("Initialize", &G4RunManager::Initialize)
-      .def("BeamOn", &G4RunManager::BeamOn, py::arg("n_event"),
-           py::arg("macroFile") = static_cast<const char *>(nullptr), py::arg("n_select") = -1, "Starts event loop.")
+      .def(
+         "BeamOn",
+         [](G4RunManager &self, G4int n_event, const char *macroFile = 0, G4int n_select = -1) {
+            py::gil_scoped_release gil;
+            self.BeamOn(n_event, macroFile, n_select);
+         },
+         py::arg("n_event"), py::arg("macroFile") = static_cast<const char *>(nullptr), py::arg("n_select") = -1,
+         "Starts event loop.")
 
       .def("SetUserInitialization",
            [](G4RunManager &self, G4VUserDetectorConstruction *detector) {
@@ -140,7 +146,9 @@ void export_G4RunManager(py::module &m)
            py::arg("topologyIsChanged") = true)
 
       .def("DumpRegion", py::overload_cast<const G4String &>(&G4RunManager::DumpRegion, py::const_))
-      .def("DumpRegion", py::overload_cast<G4Region *>(&G4RunManager::DumpRegion, py::const_))
+      .def("DumpRegion", py::overload_cast<G4Region *>(&G4RunManager::DumpRegion, py::const_),
+           py::arg("region") = static_cast<G4Region *>(nullptr))
+
       .def("rndmSaveThisRun", &G4RunManager::rndmSaveThisRun)
       .def("rndmSaveThisEvent", &G4RunManager::rndmSaveThisEvent)
       .def("RestoreRandomNumberStatus", &G4RunManager::RestoreRandomNumberStatus)