py_feval.h

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/* -*- c++ -*- */
/*
 * Copyright 2006,2013 Free Software Foundation, Inc.
 *
 * This file is part of GNU Radio
 *
 * GNU Radio is free software; you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation; either version 3, or (at your option)
 * any later version.
 *
 * GNU Radio is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with GNU Radio; see the file COPYING.  If not, write to
 * the Free Software Foundation, Inc., 51 Franklin Street,
 * Boston, MA 02110-1301, USA.
 */

#ifndef INCLUDED_GR_PY_FEVAL_H
#define INCLUDED_GR_PY_FEVAL_H

#include <Python.h>
#include <pmt/pmt.h>
#include <gnuradio/feval.h>

class ensure_py_gil_state {
  PyGILState_STATE d_gstate;
public:
  ensure_py_gil_state()  { d_gstate = PyGILState_Ensure(); }
  ~ensure_py_gil_state() { PyGILState_Release(d_gstate); }
};

namespace gr {

  class GR_RUNTIME_API py_feval_dd : public feval_dd
  {
  public:
    double calleval(double x)
    {
      ensure_py_gil_state _lock;
      return eval(x);
    }
    virtual ~py_feval_dd() {};
  };

  class GR_RUNTIME_API py_feval_cc : public feval_cc
  {
  public:
    gr_complex calleval(gr_complex x)
    {
      ensure_py_gil_state _lock;
      return eval(x);
    }
    virtual ~py_feval_cc() {};
  };

  class GR_RUNTIME_API py_feval_ll : public feval_ll
  {
  public:
    long calleval(long x)
    {
      ensure_py_gil_state _lock;
      return eval(x);
    }
    virtual ~py_feval_ll() {};
  };

  class GR_RUNTIME_API py_feval : public feval
  {
  public:
    void calleval()
    {
      ensure_py_gil_state _lock;
      eval();
    }
    virtual ~py_feval() {};
  };

  class GR_RUNTIME_API py_feval_p : public feval_p
  {
  public:
    void calleval(pmt::pmt_t x)
    {
      ensure_py_gil_state _lock;
      eval(x);
    }
    virtual ~py_feval_p() {};
  };

} /* namespace gr */

#endif /* INCLUDED_GR_PY_FEVAL_H */