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/Range.h>
23 #include <folly/ThreadName.h>
24 #include <folly/io/async/EventBaseManager.h>
30 static void run(EventBaseManager* ebm, EventBase* eb, const StringPiece& name) {
32 folly::setThreadName(name);
35 ebm->setEventBase(eb, false);
38 // must destruct in io thread for on-destruction callbacks
39 EventBase::StackFunctionLoopCallback cb([=] { ebm->clearEventBase(); });
40 eb->runOnDestruction(&cb);
44 ScopedEventBaseThread::ScopedEventBaseThread()
45 : ScopedEventBaseThread(nullptr, "") {}
47 ScopedEventBaseThread::ScopedEventBaseThread(const StringPiece& name)
48 : ScopedEventBaseThread(nullptr, name) {}
50 ScopedEventBaseThread::ScopedEventBaseThread(EventBaseManager* ebm)
51 : ScopedEventBaseThread(ebm, "") {}
53 ScopedEventBaseThread::ScopedEventBaseThread(
54 EventBaseManager* ebm,
55 const StringPiece& name)
56 : ebm_(ebm ? ebm : EventBaseManager::get()) {
57 new (&eb_) EventBase();
58 th_ = thread(run, ebm_, &eb_, name);
59 eb_.waitUntilRunning();
62 ScopedEventBaseThread::~ScopedEventBaseThread() {
63 eb_.terminateLoopSoon();