2 * Copyright 2017 Facebook, Inc.
4 * Licensed under the Apache License, Version 2.0 (the "License");
5 * you may not use this file except in compliance with the License.
6 * You may obtain a copy of the License at
8 * http://www.apache.org/licenses/LICENSE-2.0
10 * Unless required by applicable law or agreed to in writing, software
11 * distributed under the License is distributed on an "AS IS" BASIS,
12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13 * See the License for the specific language governing permissions and
14 * limitations under the License.
19 #include <folly/executors/IOExecutor.h>
20 #include <folly/fibers/FiberManagerMap.h>
25 * @class FiberIOExecutor
26 * @brief An IOExecutor that executes funcs under mapped fiber context
28 * A FiberIOExecutor wraps an IOExecutor, but executes funcs on the FiberManager
29 * mapped to the underlying IOExector's event base.
31 class FiberIOExecutor : public IOExecutor {
33 explicit FiberIOExecutor(const std::shared_ptr<IOExecutor>& ioExecutor)
34 : ioExecutor_(ioExecutor) {}
36 virtual void add(folly::Function<void()> f) override {
37 auto eventBase = ioExecutor_->getEventBase();
38 folly::fibers::getFiberManager(*eventBase).add(std::move(f));
41 virtual folly::EventBase* getEventBase() override {
42 return ioExecutor_->getEventBase();
46 std::shared_ptr<IOExecutor> ioExecutor_;