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Diffstat (limited to 'libtransport/includes/hicn/transport/utils/singleton.h')
-rw-r--r-- | libtransport/includes/hicn/transport/utils/singleton.h | 48 |
1 files changed, 48 insertions, 0 deletions
diff --git a/libtransport/includes/hicn/transport/utils/singleton.h b/libtransport/includes/hicn/transport/utils/singleton.h new file mode 100644 index 000000000..cdd8b03bf --- /dev/null +++ b/libtransport/includes/hicn/transport/utils/singleton.h @@ -0,0 +1,48 @@ +/* + * Copyright (c) 2021 Cisco and/or its affiliates. + * 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. + */ + +#pragma once + +#include <hicn/transport/utils/noncopyable.h> + +namespace utils { + +template <typename T> +class Singleton : NonCopyable { + public: + static T& getInstance() { + static T instance; + return instance; + } + + protected: + Singleton() {} + ~Singleton() {} +}; + +template <typename T> +class ThreadLocalSingleton : NonCopyable { + public: + static T& getInstance() { + static thread_local T instance; + return instance; + } + + protected: + ThreadLocalSingleton() {} + ~ThreadLocalSingleton() {} +}; + +} // namespace utils
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