1// Copyright (c) 2011 The Chromium Authors. All rights reserved.
2// Use of this source code is governed by a BSD-style license that can be
3// found in the LICENSE file.
4
5#include "content/public/utility/utility_thread.h"
6
7#include "base/lazy_instance.h"
8#include "base/threading/thread_local.h"
9
10namespace content {
11
12// Keep the global UtilityThread in a TLS slot so it is impossible to access
13// incorrectly from the wrong thread.
14static base::LazyInstance<base::ThreadLocalPointer<UtilityThread> >::Leaky
15    lazy_tls = LAZY_INSTANCE_INITIALIZER;
16
17UtilityThread* UtilityThread::Get() {
18  return lazy_tls.Pointer()->Get();
19}
20
21UtilityThread::UtilityThread() {
22  lazy_tls.Pointer()->Set(this);
23}
24
25UtilityThread::~UtilityThread() {
26  lazy_tls.Pointer()->Set(NULL);
27}
28
29}  // namespace content
30
31