blob: c2ed1878d1df1355e502457788646aec230df6f7 [file] [log] [blame]
// Copyright 2013 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include "base/callback_forward.h"
#include "base/compiler_specific.h"
#include "base/macros.h"
#include "base/memory/ref_counted.h"
#include "base/task_runner.h"
#include "base/threading/thread.h"
#include "base/time/time.h"
namespace base {
// Create and run an IO thread with a MessageLoop, and
// making the MessageLoop accessible from its client.
// It also provides some ideomatic API like PostTaskAndWait().
class TestIOThread {
enum Mode { kAutoStart, kManualStart };
explicit TestIOThread(Mode mode);
// Stops the I/O thread if necessary.
// |Start()|/|Stop()| should only be called from the main (creation) thread.
// After |Stop()|, |Start()| may be called again to start a new I/O thread.
// |Stop()| may be called even when the I/O thread is not started.
void Start();
void Stop();
// Post |task| to the IO thread.
void PostTask(const tracked_objects::Location& from_here,
const base::Closure& task);
// Posts |task| to the IO-thread with an WaitableEvent associated blocks on
// it until the posted |task| is executed, then returns.
void PostTaskAndWait(const tracked_objects::Location& from_here,
const base::Closure& task);
base::MessageLoopForIO* message_loop() {
return static_cast<base::MessageLoopForIO*>(io_thread_.message_loop());
scoped_refptr<SingleThreadTaskRunner> task_runner() {
return message_loop()->task_runner();
base::Thread io_thread_;
bool io_thread_started_;
} // namespace base