ability_dmsfwk/utils/native/include/single_instance.h
wangyang2022 a76a144b60 安全排查,修改文件权限为644
Signed-off-by: wangyang2022 <wangyang412@huawei.com>
Change-Id: I3876cc573bd633ca77359be062c2852da601f3a3
2022-09-15 17:22:00 +08:00

46 lines
1.8 KiB
C++

/*
* Copyright (c) 2021 Huawei Device Co., Ltd.
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
#ifndef FOUNDATION_DISTRIBUTEDSCHEDULE_UTILS_NATIVE_INCLUDE_SINGLE_INSTANCE_H
#define FOUNDATION_DISTRIBUTEDSCHEDULE_UTILS_NATIVE_INCLUDE_SINGLE_INSTANCE_H
namespace OHOS {
namespace DistributedSchedule {
#define DECLARE_SINGLE_INSTANCE_BASE(className) \
public: \
static className& GetInstance(); \
private: \
className(const className&) = delete; \
className& operator= (const className&) = delete; \
className(className&&) = delete; \
className& operator= (className&&) = delete; \
#define DECLARE_SINGLE_INSTANCE(className) \
DECLARE_SINGLE_INSTANCE_BASE(className) \
private: \
className() = default; \
~className() = default; \
#define IMPLEMENT_SINGLE_INSTANCE(className) \
className& className::GetInstance() \
{ \
static auto instance = new className(); \
return *instance; \
}
}; // namespace DistributedSchedule
}; // namespace OHOS
#endif // FOUNDATION_DISTRIBUTEDSCHEDULE_UTILS_NATIVE_INCLUDE_SINGLE_INSTANCE_H