folly/folly/synchronization/HazptrDomain.cpp

/*
 * 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.
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#include <folly/synchronization/HazptrDomain.h>

#include <cstddef>
#include <functional>
#include <queue>
#include <type_traits>

#include <folly/Executor.h>
#include <folly/Indestructible.h>
#include <folly/ScopeGuard.h>
#include <folly/executors/InlineExecutor.h>

namespace folly::detail {

namespace {

/// HazptrDefaultExecutor
///
/// Like QueuedImmediateExecutor, but:
/// * Only a singleton and not otherwise instantiated.
/// * Using keyword thread_local v.s. class ThreadLocal.
struct HazptrDefaultExecutor final : InlineLikeExecutor { … };

} // namespace

folly::Executor::KeepAlive<> hazptr_get_default_executor() { … }

} // namespace folly::detail