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// Copyright (c) 2016-2025 The Pybind Development Team.
// All rights reserved. Use of this source code is governed by a
// BSD-style license that can be found in the LICENSE file.
#pragma once
#include "detail/common.h"
#include <cassert>
PYBIND11_NAMESPACE_BEGIN(PYBIND11_NAMESPACE)
class gil_scoped_acquire_simple {
PyGILState_STATE state;
public:
gil_scoped_acquire_simple() : state{PyGILState_Ensure()} {}
gil_scoped_acquire_simple(const gil_scoped_acquire_simple &) = delete;
gil_scoped_acquire_simple &operator=(const gil_scoped_acquire_simple &) = delete;
~gil_scoped_acquire_simple() { PyGILState_Release(state); }
};
class gil_scoped_release_simple {
PyThreadState *state;
public:
// PRECONDITION: The GIL must be held when this constructor is called.
gil_scoped_release_simple() {
assert(PyGILState_Check());
state = PyEval_SaveThread();
}
gil_scoped_release_simple(const gil_scoped_release_simple &) = delete;
gil_scoped_release_simple &operator=(const gil_scoped_release_simple &) = delete;
~gil_scoped_release_simple() { PyEval_RestoreThread(state); }
};
PYBIND11_NAMESPACE_END(PYBIND11_NAMESPACE)
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