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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 "bindings/core/v8/ScriptStreamerThread.h" | 5 #include "bindings/core/v8/ScriptStreamerThread.h" |
| 6 | 6 |
| 7 #include "bindings/core/v8/ScriptStreamer.h" | 7 #include "bindings/core/v8/ScriptStreamer.h" |
| 8 #include "core/inspector/InspectorTraceEvents.h" | 8 #include "core/inspector/InspectorTraceEvents.h" |
| 9 #include "platform/TraceEvent.h" | 9 #include "platform/TraceEvent.h" |
| 10 #include "public/platform/Platform.h" | 10 #include "public/platform/Platform.h" |
| 11 #include "public/platform/WebTaskRunner.h" | 11 #include "public/platform/WebTaskRunner.h" |
| 12 #include "public/platform/WebTraceLocation.h" | 12 #include "public/platform/WebTraceLocation.h" |
| 13 #include "wtf/PtrUtil.h" | |
| 14 #include <memory> | |
| 15 | 13 |
| 16 namespace blink { | 14 namespace blink { |
| 17 | 15 |
| 18 static ScriptStreamerThread* s_sharedThread = 0; | 16 static ScriptStreamerThread* s_sharedThread = 0; |
| 19 // Guards s_sharedThread. s_sharedThread is initialized and deleted in the main | 17 // Guards s_sharedThread. s_sharedThread is initialized and deleted in the main |
| 20 // thread, but also used by the streamer thread. Races can occur during | 18 // thread, but also used by the streamer thread. Races can occur during |
| 21 // shutdown. | 19 // shutdown. |
| 22 static Mutex* s_mutex = 0; | 20 static Mutex* s_mutex = 0; |
| 23 | 21 |
| 24 void ScriptStreamerThread::init() | 22 void ScriptStreamerThread::init() |
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| 67 void ScriptStreamerThread::taskDone() | 65 void ScriptStreamerThread::taskDone() |
| 68 { | 66 { |
| 69 MutexLocker locker(m_mutex); | 67 MutexLocker locker(m_mutex); |
| 70 ASSERT(m_runningTask); | 68 ASSERT(m_runningTask); |
| 71 m_runningTask = false; | 69 m_runningTask = false; |
| 72 } | 70 } |
| 73 | 71 |
| 74 WebThread& ScriptStreamerThread::platformThread() | 72 WebThread& ScriptStreamerThread::platformThread() |
| 75 { | 73 { |
| 76 if (!isRunning()) | 74 if (!isRunning()) |
| 77 m_thread = wrapUnique(Platform::current()->createThread("ScriptStreamerT
hread")); | 75 m_thread = adoptPtr(Platform::current()->createThread("ScriptStreamerThr
ead")); |
| 78 return *m_thread; | 76 return *m_thread; |
| 79 } | 77 } |
| 80 | 78 |
| 81 void ScriptStreamerThread::runScriptStreamingTask(std::unique_ptr<v8::ScriptComp
iler::ScriptStreamingTask> task, ScriptStreamer* streamer) | 79 void ScriptStreamerThread::runScriptStreamingTask(PassOwnPtr<v8::ScriptCompiler:
:ScriptStreamingTask> task, ScriptStreamer* streamer) |
| 82 { | 80 { |
| 83 TRACE_EVENT1("v8,devtools.timeline", "v8.parseOnBackground", "data", Inspect
orParseScriptEvent::data(streamer->scriptResourceIdentifier(), streamer->scriptU
RLString())); | 81 TRACE_EVENT1("v8,devtools.timeline", "v8.parseOnBackground", "data", Inspect
orParseScriptEvent::data(streamer->scriptResourceIdentifier(), streamer->scriptU
RLString())); |
| 84 // Running the task can and will block: SourceStream::GetSomeData will get | 82 // Running the task can and will block: SourceStream::GetSomeData will get |
| 85 // called and it will block and wait for data from the network. | 83 // called and it will block and wait for data from the network. |
| 86 task->Run(); | 84 task->Run(); |
| 87 streamer->streamingCompleteOnBackgroundThread(); | 85 streamer->streamingCompleteOnBackgroundThread(); |
| 88 MutexLocker locker(*s_mutex); | 86 MutexLocker locker(*s_mutex); |
| 89 ScriptStreamerThread* thread = shared(); | 87 ScriptStreamerThread* thread = shared(); |
| 90 if (thread) | 88 if (thread) |
| 91 thread->taskDone(); | 89 thread->taskDone(); |
| 92 // If thread is 0, we're shutting down. | 90 // If thread is 0, we're shutting down. |
| 93 } | 91 } |
| 94 | 92 |
| 95 } // namespace blink | 93 } // namespace blink |
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