GlobalInterpreterLock.cpp

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// Mantid Repository : https://github.com/mantidproject/mantid
//
// Copyright © 2018 ISIS Rutherford Appleton Laboratory UKRI,
//   NScD Oak Ridge National Laboratory, European Spallation Source,
//   Institut Laue - Langevin & CSNS, Institute of High Energy Physics, CAS
// SPDX - License - Identifier: GPL - 3.0 +
#include "MantidPythonInterface/core/GlobalInterpreterLock.h"
#include "MantidPythonInterface/core/VersionCompat.h"
 
namespace Mantid::PythonInterface {
 
//------------------------------------------------------------------------------
// GlobalInterpreterLock Static helpers
//------------------------------------------------------------------------------
 
bool GlobalInterpreterLock::locked() {
#if defined(IS_PY3K)
  return (PyGILState_Check() == 1);
#else
  PyThreadState *ts = _PyThreadState_Current;
  return (ts && ts == PyGILState_GetThisThreadState());
#endif
}
 
PyGILState_STATE GlobalInterpreterLock::acquire() { return PyGILState_Ensure(); }
 
void GlobalInterpreterLock::release(PyGILState_STATE tstate) { PyGILState_Release(tstate); }
 
//------------------------------------------------------------------------------
// GlobalInterpreterLock Public members
//------------------------------------------------------------------------------
 
GlobalInterpreterLock::GlobalInterpreterLock() : m_state(this->acquire()) {}
 
GlobalInterpreterLock::~GlobalInterpreterLock() { this->release(m_state); }
 
} // namespace Mantid::PythonInterface