| /* |
| * Copyright (C) 2010 Google Inc. All rights reserved. |
| * |
| * Redistribution and use in source and binary forms, with or without |
| * modification, are permitted provided that the following conditions are |
| * met: |
| * |
| * * Redistributions of source code must retain the above copyright |
| * notice, this list of conditions and the following disclaimer. |
| * * Redistributions in binary form must reproduce the above |
| * copyright notice, this list of conditions and the following disclaimer |
| * in the documentation and/or other materials provided with the |
| * distribution. |
| * * Neither the name of Google Inc. nor the names of its |
| * contributors may be used to endorse or promote products derived from |
| * this software without specific prior written permission. |
| * |
| * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS |
| * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT |
| * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR |
| * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT |
| * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, |
| * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT |
| * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
| * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
| * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
| * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE |
| * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
| */ |
| |
| #ifndef ScriptGCEvent_h |
| #define ScriptGCEvent_h |
| |
| #include "wtf/Vector.h" |
| #include <v8.h> |
| |
| namespace blink { |
| |
| struct HeapInfo { |
| HeapInfo() |
| : usedJSHeapSize(0) |
| , totalJSHeapSize(0) |
| , jsHeapSizeLimit(0) |
| { |
| } |
| |
| size_t usedJSHeapSize; |
| size_t totalJSHeapSize; |
| size_t jsHeapSizeLimit; |
| }; |
| |
| class ScriptGCEventListener; |
| |
| class GCEventData { |
| public: |
| typedef Vector<ScriptGCEventListener*> GCEventListeners; |
| |
| GCEventData() |
| : m_startTime(0.0) |
| , m_usedHeapSize(0) |
| { } |
| |
| void clear() |
| { |
| m_startTime = 0.0; |
| m_usedHeapSize = 0; |
| } |
| |
| GCEventListeners& listeners() { return m_listeners; } |
| |
| double startTime() { return m_startTime; } |
| void setStartTime(double startTime) { m_startTime = startTime; } |
| size_t usedHeapSize() { return m_usedHeapSize; } |
| void setUsedHeapSize(size_t usedHeapSize) { m_usedHeapSize = usedHeapSize; } |
| |
| private: |
| double m_startTime; |
| size_t m_usedHeapSize; |
| GCEventListeners m_listeners; |
| }; |
| |
| |
| // FIXME(361045): remove ScriptGCEvent once DevTools Timeline migrates to tracing. |
| class ScriptGCEvent { |
| public: |
| static void addEventListener(ScriptGCEventListener*); |
| static void removeEventListener(ScriptGCEventListener*); |
| static void getHeapSize(HeapInfo&); |
| |
| private: |
| static void gcEpilogueCallback(v8::GCType type, v8::GCCallbackFlags flags); |
| static void gcPrologueCallback(v8::GCType type, v8::GCCallbackFlags flags); |
| static size_t getUsedHeapSize(); |
| }; |
| |
| |
| } // namespace blink |
| |
| #endif // !defined(ScriptGCEvent_h) |