40 lines
1.1 KiB
C++
40 lines
1.1 KiB
C++
/*
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* Copyright (c) Facebook, Inc. and its affiliates.
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*
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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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#include <folly/executors/QueuedImmediateExecutor.h>
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#include <folly/Indestructible.h>
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namespace folly {
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QueuedImmediateExecutor& QueuedImmediateExecutor::instance() {
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static auto instance = Indestructible<QueuedImmediateExecutor>{};
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return *instance;
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}
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void QueuedImmediateExecutor::add(Func callback) {
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auto& q = *q_;
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q.push(std::move(callback));
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if (q.size() == 1) {
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while (!q.empty()) {
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q.front()();
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q.pop();
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}
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}
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}
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} // namespace folly
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