python/gras/GRAS_Utils.i


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// Copyright (C) by Josh Blum. See LICENSE.txt for licensing information.

////////////////////////////////////////////////////////////////////////
// Simple class to deal with smart locking/unlocking of python GIL
////////////////////////////////////////////////////////////////////////
%{

struct PyGILPhondler
{
    PyGILPhondler(void):
        s(PyGILState_Ensure())
    {
        //NOP
    }
    ~PyGILPhondler(void)
    {
        PyGILState_Release(s);
    }
    PyGILState_STATE s;
};

%}

////////////////////////////////////////////////////////////////////////
// Simple class to deal with smart save/restore of python thread state
////////////////////////////////////////////////////////////////////////
%{

struct PyTSPhondler
{
    PyTSPhondler(void):
        s(PyEval_SaveThread())
    {
        //NOP
    }
    ~PyTSPhondler(void)
    {
        PyEval_RestoreThread(s);
    }
    PyThreadState *s;
};

%}