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/io/async/EventBaseManager.h>
24 #include <folly/system/ThreadName.h>
31 EventBaseManager* ebm,
34 const StringPiece& name) {
36 folly::setThreadName(name);
39 ebm->setEventBase(eb, false);
42 // must destruct in io thread for on-destruction callbacks
43 EventBase::StackFunctionLoopCallback cb([=] { ebm->clearEventBase(); });
44 eb->runOnDestruction(&cb);
45 // wait until terminateLoopSoon() is complete
50 ScopedEventBaseThread::ScopedEventBaseThread()
51 : ScopedEventBaseThread(nullptr, "") {}
53 ScopedEventBaseThread::ScopedEventBaseThread(const StringPiece& name)
54 : ScopedEventBaseThread(nullptr, name) {}
56 ScopedEventBaseThread::ScopedEventBaseThread(EventBaseManager* ebm)
57 : ScopedEventBaseThread(ebm, "") {}
59 ScopedEventBaseThread::ScopedEventBaseThread(
60 EventBaseManager* ebm,
61 const StringPiece& name)
62 : ebm_(ebm ? ebm : EventBaseManager::get()) {
63 new (&eb_) EventBase();
64 th_ = thread(run, ebm_, &eb_, &stop_, name);
65 eb_.waitUntilRunning();
68 ScopedEventBaseThread::~ScopedEventBaseThread() {
69 eb_.terminateLoopSoon();