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https://github.com/openharmony/windowmanager.git
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laiguizhong
49486f0153
Signed-off-by: laiguizhong <laiguizhong@huawei.com> Change-Id: Ia303d155a0d30da4736e96b009125f40d4c3837a
40 lines
1.6 KiB
C++
40 lines
1.6 KiB
C++
/*
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* Copyright (c) 2021 Huawei Device Co., Ltd.
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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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*/
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#ifndef OHOS_SINGLE_INSTANCE_H
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#define OHOS_SINGLE_INSTANCE_H
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namespace OHOS {
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namespace Rosen {
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#define DECLARE_SINGLE_INSTANCE_BASE(className) \
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public: \
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static className& GetInstance() \
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{ \
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static className instance; \
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return instance; \
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} \
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className(const className&) = delete; \
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className& operator= (const className&) = delete; \
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className(className&&) = delete; \
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className& operator= (className&&) = delete;
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#define DECLARE_SINGLE_INSTANCE(className) \
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DECLARE_SINGLE_INSTANCE_BASE(className) \
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protected: \
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className() = default; \
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virtual ~className() = default;
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} // namespace OHOS
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}
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#endif // OHOS_SINGLE_INSTANCE_H
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