wehub-resource-sync
52 lines
1.7 KiB
C++
52 lines
1.7 KiB
C++
// Copyright (c) 2023 PaddlePaddle Authors. All Rights Reserved.
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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#pragma once
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#include <type_traits>
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#include <utility>
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#include "paddle/common/macros.h"
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namespace phi {
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template <typename ReleaseCallback>
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class ScopeGuard {
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public:
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explicit ScopeGuard(const ReleaseCallback &callback) : callback_(callback) {}
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~ScopeGuard() { callback_(); }
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private:
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DISABLE_COPY_AND_ASSIGN(ScopeGuard);
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private:
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ReleaseCallback callback_;
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};
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// Two macros are needed here.
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// See:
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// https://stackoverflow.com/questions/10379691/creating-macro-using-line-for-different-variable-names
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#define _PADDLE_CONCAT_TOKEN(x, y) x##y
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#define PADDLE_CONCAT_TOKEN(x, y) _PADDLE_CONCAT_TOKEN(x, y)
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#define DEFINE_PADDLE_SCOPE_GUARD(...) \
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auto PADDLE_CONCAT_TOKEN(__scope_guard_func, __LINE__) = __VA_ARGS__; \
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::phi::ScopeGuard<typename std::remove_reference< \
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decltype(PADDLE_CONCAT_TOKEN(__scope_guard_func, __LINE__))>::type> \
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PADDLE_CONCAT_TOKEN(__scope_guard, __LINE__)( \
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PADDLE_CONCAT_TOKEN(__scope_guard_func, __LINE__))
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} // namespace phi
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