hamr_gil_state.h

#ifndef hamr_gil_state_h
#define hamr_gil_state_h
 
#include <Python.h>
 
namespace hamr
{
 
/// A RAII helper for managing the Python GIL.
/** The GIL is aquired and held while the object exists. The GIL must be held
 * by C++ code invoking any Python C-API calls.
 */
class HAMR_EXPORT gil_state
{
public:
    gil_state()
    { m_state = PyGILState_Ensure(); }
 
    ~gil_state()
    { PyGILState_Release(m_state); }
 
    gil_state(const gil_state&) = delete;
    void operator=(const gil_state&) = delete;
 
private:
    PyGILState_STATE m_state;
};
 
}
 
#endif