folly/folly/Singleton-inl.h

/*
 * Copyright (c) Meta Platforms, Inc. and 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.
 */

namespace folly {

namespace detail {

template <typename T>
template <typename Tag, typename VaultTag>
struct SingletonHolder<T>::Impl : SingletonHolder<T> { … };

template <typename T>
template <typename Tag, typename VaultTag>
inline SingletonHolder<T>& SingletonHolder<T>::singleton() { … }

[[noreturn]] void singletonWarnDoubleRegistrationAndAbort(
    const TypeDescriptor& type);

template <typename T>
void SingletonHolder<T>::registerSingleton(CreateFunc c, TeardownFunc t) { … }

template <typename T>
void SingletonHolder<T>::registerSingletonMock(CreateFunc c, TeardownFunc t) { … }

template <typename T>
T* SingletonHolder<T>::get() { … }

template <typename T>
std::weak_ptr<T> SingletonHolder<T>::get_weak() { … }

template <typename T>
std::shared_ptr<T> SingletonHolder<T>::try_get() { … }

template <typename T>
folly::ReadMostlySharedPtr<T> SingletonHolder<T>::try_get_fast() { … }

template <typename T>
template <typename Func>
invoke_result_t<Func, T*> detail::SingletonHolder<T>::apply(Func f) { … }

template <typename T>
void SingletonHolder<T>::vivify() { … }

template <typename T>
bool SingletonHolder<T>::hasLiveInstance() { … }

template <typename T>
void SingletonHolder<T>::preDestroyInstance(
    ReadMostlyMainPtrDeleter<>& deleter) { … }

template <typename T>
void SingletonHolder<T>::destroyInstance() { … }

template <typename T>
void SingletonHolder<T>::inChildAfterFork() { … }

template <typename T>
SingletonHolder<T>::SingletonHolder(
    TypeDescriptor typeDesc, SingletonVault& vault) noexcept
    : … { … }

template <typename T>
bool SingletonHolder<T>::creationStarted() { … }

template <typename T>
void SingletonHolder<T>::createInstance() { … }

} // namespace detail

} // namespace folly