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//
// Copyright 2018 Ettus Research, a National Instruments Company
//
// SPDX-License-Identifier: GPL-3.0-or-later
//
//! RAII-style GIL release method
//
// To release the GIL using this method, simply instantiate this class in the
// scope that needs to release the GIL.
//
// Note that using this class assumes that threads have already been
// initialized. See also https://docs.python.org/3.5/c-api/init.html for more
// documentation on Python initialization and threads.
class scoped_gil_release
{
public:
inline scoped_gil_release()
{
_thread_state = PyEval_SaveThread();
}
inline ~scoped_gil_release()
{
PyEval_RestoreThread(_thread_state);
_thread_state = nullptr;
}
private:
PyThreadState* _thread_state;
};
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