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70 lines
1.5 KiB
C++
70 lines
1.5 KiB
C++
// Copyright 2017 The Chromium Authors. All rights reserved.
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// Use of this source code is governed by a BSD-style license that can be
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// found in the LICENSE file.
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#include "flutter/fml/thread.h"
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#include <memory>
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#include <string>
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#include "flutter/fml/message_loop.h"
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#include "lib/ftl/build_config.h"
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#include "lib/ftl/synchronization/waitable_event.h"
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#if OS_MACOSX
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#include <pthread/pthread.h>
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#elif OS_LINUX || OS_ANDROID
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#include <pthread.h>
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#else
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#error Unsupported Platform
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#endif
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namespace fml {
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Thread::Thread(const std::string& name) : joined_(false) {
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ftl::AutoResetWaitableEvent latch;
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ftl::RefPtr<ftl::TaskRunner> runner;
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thread_ = std::make_unique<std::thread>([&latch, &runner, name]() -> void {
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SetCurrentThreadName(name);
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fml::MessageLoop::EnsureInitializedForCurrentThread();
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auto& loop = MessageLoop::GetCurrent();
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runner = loop.GetTaskRunner();
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latch.Signal();
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loop.Run();
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});
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latch.Wait();
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task_runner_ = runner;
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}
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Thread::~Thread() {
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Join();
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}
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ftl::RefPtr<ftl::TaskRunner> Thread::GetTaskRunner() const {
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return task_runner_;
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}
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void Thread::Join() {
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if (joined_) {
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return;
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}
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joined_ = true;
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task_runner_->PostTask([]() { MessageLoop::GetCurrent().Terminate(); });
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thread_->join();
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}
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void Thread::SetCurrentThreadName(const std::string& name) {
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if (name == "") {
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return;
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}
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#if OS_MACOSX
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pthread_setname_np(name.c_str());
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#elif OS_LINUX || OS_ANDROID
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pthread_setname_np(pthread_self(), name.c_str());
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#else
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#error Unsupported Platform
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#endif
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}
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} // namespace fml
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