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| 1 // Copyright 2014 The Chromium Authors. All rights reserved. | 1 // Copyright 2014 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 "platform/WebThreadSupportingGC.h" | 5 #include "platform/WebThreadSupportingGC.h" |
| 6 | 6 |
| 7 #include "platform/heap/SafePoint.h" | 7 #include "platform/heap/SafePoint.h" |
| 8 #include "public/platform/WebScheduler.h" | 8 #include "public/platform/WebScheduler.h" |
| 9 #include "wtf/PtrUtil.h" | 9 #include "wtf/PtrUtil.h" |
| 10 #include "wtf/Threading.h" | 10 #include "wtf/Threading.h" |
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| 45 WebThreadSupportingGC::~WebThreadSupportingGC() { | 45 WebThreadSupportingGC::~WebThreadSupportingGC() { |
| 46 if (ThreadState::current() && m_owningThread) { | 46 if (ThreadState::current() && m_owningThread) { |
| 47 // WebThread's destructor blocks until all the tasks are processed. | 47 // WebThread's destructor blocks until all the tasks are processed. |
| 48 SafePointScope scope(BlinkGC::HeapPointersOnStack); | 48 SafePointScope scope(BlinkGC::HeapPointersOnStack); |
| 49 m_owningThread.reset(); | 49 m_owningThread.reset(); |
| 50 } | 50 } |
| 51 } | 51 } |
| 52 | 52 |
| 53 void WebThreadSupportingGC::initialize() { | 53 void WebThreadSupportingGC::initialize() { |
| 54 ThreadState::attachCurrentThread(m_threadHeapMode); | 54 ThreadState::attachCurrentThread(m_threadHeapMode); |
| 55 m_gcTaskRunner = wrapUnique(new GCTaskRunner(m_thread)); | 55 m_gcTaskRunner = makeUnique<GCTaskRunner>(m_thread); |
| 56 } | 56 } |
| 57 | 57 |
| 58 void WebThreadSupportingGC::shutdown() { | 58 void WebThreadSupportingGC::shutdown() { |
| 59 #if defined(LEAK_SANITIZER) | 59 #if defined(LEAK_SANITIZER) |
| 60 ThreadState::current()->releaseStaticPersistentNodes(); | 60 ThreadState::current()->releaseStaticPersistentNodes(); |
| 61 #endif | 61 #endif |
| 62 // Ensure no posted tasks will run from this point on. | 62 // Ensure no posted tasks will run from this point on. |
| 63 m_gcTaskRunner.reset(); | 63 m_gcTaskRunner.reset(); |
| 64 | 64 |
| 65 // Shutdown the thread (via its scheduler) only when the thread is created | 65 // Shutdown the thread (via its scheduler) only when the thread is created |
| 66 // and is owned by this instance. | 66 // and is owned by this instance. |
| 67 if (m_owningThread) | 67 if (m_owningThread) |
| 68 m_owningThread->scheduler()->shutdown(); | 68 m_owningThread->scheduler()->shutdown(); |
| 69 | 69 |
| 70 ThreadState::detachCurrentThread(); | 70 ThreadState::detachCurrentThread(); |
| 71 } | 71 } |
| 72 | 72 |
| 73 } // namespace blink | 73 } // namespace blink |
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