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| 1 // Copyright (c) 2012 The Chromium Authors. All rights reserved. | 1 // Copyright (c) 2012 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/browser/browser_thread_impl.h" | 5 #include "content/browser/browser_thread_impl.h" |
| 6 | 6 |
| 7 #include <string.h> | 7 #include <string.h> |
| 8 | 8 |
| 9 #include <string> | 9 #include <string> |
| 10 | 10 |
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| 145 // BrowserThread ID to be reinitialized. We explicitly clear the thread ID | 145 // BrowserThread ID to be reinitialized. We explicitly clear the thread ID |
| 146 // here so Start() can sanity check. | 146 // here so Start() can sanity check. |
| 147 BrowserThreadGlobals& globals = g_globals.Get(); | 147 BrowserThreadGlobals& globals = g_globals.Get(); |
| 148 base::AutoLock lock(globals.lock); | 148 base::AutoLock lock(globals.lock); |
| 149 globals.thread_ids[identifier] = base::kInvalidThreadId; | 149 globals.thread_ids[identifier] = base::kInvalidThreadId; |
| 150 } | 150 } |
| 151 | 151 |
| 152 BrowserThreadImpl::BrowserThreadImpl(ID identifier, | 152 BrowserThreadImpl::BrowserThreadImpl(ID identifier, |
| 153 base::MessageLoop* message_loop) | 153 base::MessageLoop* message_loop) |
| 154 : Thread(GetThreadName(identifier)), identifier_(identifier) { | 154 : Thread(GetThreadName(identifier)), identifier_(identifier) { |
| 155 set_message_loop(message_loop); | 155 SetMessageLoop(message_loop); |
| 156 Initialize(); | 156 Initialize(); |
| 157 | 157 |
| 158 // If constructed with an explicit message loop, this is a fake BrowserThread | 158 // If constructed with an explicit message loop, this is a fake BrowserThread |
| 159 // which runs on the current thread. | 159 // which runs on the current thread. |
| 160 BrowserThreadGlobals& globals = g_globals.Get(); | 160 BrowserThreadGlobals& globals = g_globals.Get(); |
| 161 base::AutoLock lock(globals.lock); | 161 base::AutoLock lock(globals.lock); |
| 162 globals.thread_ids[identifier] = base::PlatformThread::CurrentId(); | 162 globals.thread_ids[identifier] = base::PlatformThread::CurrentId(); |
| 163 } | 163 } |
| 164 | 164 |
| 165 // static | 165 // static |
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| 582 AtomicWord* storage = reinterpret_cast<AtomicWord*>( | 582 AtomicWord* storage = reinterpret_cast<AtomicWord*>( |
| 583 &globals.thread_delegates[identifier]); | 583 &globals.thread_delegates[identifier]); |
| 584 AtomicWord old_pointer = base::subtle::NoBarrier_AtomicExchange( | 584 AtomicWord old_pointer = base::subtle::NoBarrier_AtomicExchange( |
| 585 storage, reinterpret_cast<AtomicWord>(delegate)); | 585 storage, reinterpret_cast<AtomicWord>(delegate)); |
| 586 | 586 |
| 587 // This catches registration when previously registered. | 587 // This catches registration when previously registered. |
| 588 DCHECK(!delegate || !old_pointer); | 588 DCHECK(!delegate || !old_pointer); |
| 589 } | 589 } |
| 590 | 590 |
| 591 } // namespace content | 591 } // namespace content |
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