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