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