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author | Lorry Tar Creator <lorry-tar-importer@lorry> | 2015-05-20 09:56:07 +0000 |
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committer | Lorry Tar Creator <lorry-tar-importer@lorry> | 2015-05-20 09:56:07 +0000 |
commit | 41386e9cb918eed93b3f13648cbef387e371e451 (patch) | |
tree | a97f9d7bd1d9d091833286085f72da9d83fd0606 /Source/JavaScriptCore/heap/GCActivityCallback.cpp | |
parent | e15dd966d523731101f70ccf768bba12435a0208 (diff) | |
download | WebKitGtk-tarball-41386e9cb918eed93b3f13648cbef387e371e451.tar.gz |
webkitgtk-2.4.9webkitgtk-2.4.9
Diffstat (limited to 'Source/JavaScriptCore/heap/GCActivityCallback.cpp')
-rw-r--r-- | Source/JavaScriptCore/heap/GCActivityCallback.cpp | 173 |
1 files changed, 0 insertions, 173 deletions
diff --git a/Source/JavaScriptCore/heap/GCActivityCallback.cpp b/Source/JavaScriptCore/heap/GCActivityCallback.cpp deleted file mode 100644 index d324b3731..000000000 --- a/Source/JavaScriptCore/heap/GCActivityCallback.cpp +++ /dev/null @@ -1,173 +0,0 @@ -/* - * Copyright (C) 2010 Apple 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: - * - * 1. Redistributions of source code must retain the above copyright - * notice, this list of conditions and the following disclaimer. - * 2. 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. - * 3. Neither the name of Apple Inc. ("Apple") 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 APPLE AND ITS 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 APPLE OR ITS 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. - */ - -#include "config.h" -#include "GCActivityCallback.h" - -#include "Heap.h" -#include "JSLock.h" -#include "JSObject.h" -#include "VM.h" - -#include <wtf/RetainPtr.h> -#include <wtf/WTFThreadData.h> - -#if PLATFORM(EFL) -#include <wtf/MainThread.h> -#endif - -namespace JSC { - -bool GCActivityCallback::s_shouldCreateGCTimer = true; - -#if USE(CF) || PLATFORM(EFL) - -const double timerSlop = 2.0; // Fudge factor to avoid performance cost of resetting timer. - -#if USE(CF) -GCActivityCallback::GCActivityCallback(Heap* heap) - : GCActivityCallback(heap->vm(), CFRunLoopGetCurrent()) -{ -} - -GCActivityCallback::GCActivityCallback(Heap* heap, CFRunLoopRef runLoop) - : GCActivityCallback(heap->vm(), runLoop) -{ -} -#elif PLATFORM(EFL) -GCActivityCallback::GCActivityCallback(Heap* heap) - : GCActivityCallback(heap->vm(), WTF::isMainThread()) -{ -} -#endif - -void GCActivityCallback::doWork() -{ - Heap* heap = &m_vm->heap; - if (!isEnabled()) - return; - - JSLockHolder locker(m_vm); - if (heap->isDeferred()) { - scheduleTimer(0); - return; - } - - doCollection(); -} - -#if USE(CF) -void GCActivityCallback::scheduleTimer(double newDelay) -{ - if (newDelay * timerSlop > m_delay) - return; - double delta = m_delay - newDelay; - m_delay = newDelay; - CFRunLoopTimerSetNextFireDate(m_timer.get(), CFRunLoopTimerGetNextFireDate(m_timer.get()) - delta); -} - -void GCActivityCallback::cancelTimer() -{ - m_delay = s_decade; - CFRunLoopTimerSetNextFireDate(m_timer.get(), CFAbsoluteTimeGetCurrent() + s_decade); -} -#elif PLATFORM(EFL) -void GCActivityCallback::scheduleTimer(double newDelay) -{ - if (newDelay * timerSlop > m_delay) - return; - - stop(); - m_delay = newDelay; - - ASSERT(!m_timer); - m_timer = add(newDelay, this); -} - -void GCActivityCallback::cancelTimer() -{ - m_delay = s_hour; - stop(); -} -#endif - -void GCActivityCallback::didAllocate(size_t bytes) -{ -#if PLATFORM(EFL) - if (!isEnabled()) - return; - - ASSERT(WTF::isMainThread()); -#endif - - // The first byte allocated in an allocation cycle will report 0 bytes to didAllocate. - // We pretend it's one byte so that we don't ignore this allocation entirely. - if (!bytes) - bytes = 1; - double bytesExpectedToReclaim = static_cast<double>(bytes) * deathRate(); - double newDelay = lastGCLength() / gcTimeSlice(bytesExpectedToReclaim); - scheduleTimer(newDelay); -} - -void GCActivityCallback::willCollect() -{ - cancelTimer(); -} - -void GCActivityCallback::cancel() -{ - cancelTimer(); -} - -#else - -GCActivityCallback::GCActivityCallback(Heap* heap) - : GCActivityCallback(heap->vm()) -{ -} - -void GCActivityCallback::doWork() -{ -} - -void GCActivityCallback::didAllocate(size_t) -{ -} - -void GCActivityCallback::willCollect() -{ -} - -void GCActivityCallback::cancel() -{ -} - -#endif - -} - |