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.
17 #include <folly/io/async/ScopedEventBaseThread.h>
21 #include <folly/Function.h>
22 #include <folly/io/async/EventBaseManager.h>
28 static void run(EventBaseManager* ebm, EventBase* eb) {
29 ebm->setEventBase(eb, false);
32 // must destruct in io thread for on-destruction callbacks
33 EventBase::StackFunctionLoopCallback cb([=] { ebm->clearEventBase(); });
34 eb->runOnDestruction(&cb);
38 ScopedEventBaseThread::ScopedEventBaseThread()
39 : ScopedEventBaseThread(nullptr) {}
41 ScopedEventBaseThread::ScopedEventBaseThread(EventBaseManager* ebm)
42 : ebm_(ebm ? ebm : EventBaseManager::get()) {
43 new (&eb_) EventBase();
44 th_ = thread(run, ebm_, &eb_);
45 eb_.waitUntilRunning();
48 ScopedEventBaseThread::~ScopedEventBaseThread() {
49 eb_.terminateLoopSoon();