Imported QtWebKit TP3 (git b57bc6801f1876c3220d5a4bfea33d620d477443)

Change-Id: I3b1d8a2808782c9f34d50240000e20cb38d3680f
Reviewed-by: Konstantin Tokarev <annulen@yandex.ru>

1 files changed, 0 insertions, 204 deletions

diff --git a/Source/JavaScriptCore/runtime/GCActivityCallback.cpp b/Source/JavaScriptCore/runtime/GCActivityCallback.cpp
deleted file mode 100644
index 4898122b5..000000000
--- a/Source/JavaScriptCore/runtime/GCActivityCallback.cpp
+++ /dev/null
@@ -1,204 +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 Computer, 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 "APIShims.h"
-#include "Heap.h"
-#include "VM.h"
-#include "JSLock.h"
-#include "JSObject.h"
-
-#include <wtf/RetainPtr.h>
-#include <wtf/WTFThreadData.h>
-
-#if PLATFORM(EFL)
-#include <wtf/MainThread.h>
-#endif
-
-namespace JSC {
-
-#if USE(CF) || PLATFORM(QT) || PLATFORM(EFL)
-
-const double gcTimeSlicePerMB = 0.01; // Percentage of CPU time we will spend to reclaim 1 MB
-const double maxGCTimeSlice = 0.05; // The maximum amount of CPU time we want to use for opportunistic timer-triggered collections.
-const double timerSlop = 2.0; // Fudge factor to avoid performance cost of resetting timer.
-const double pagingTimeOut = 0.1; // Time in seconds to allow opportunistic timer to iterate over all blocks to see if the Heap is paged out.
-const double hour = 60 * 60;
-
-#if USE(CF)
-DefaultGCActivityCallback::DefaultGCActivityCallback(Heap* heap)
-    : GCActivityCallback(heap->vm(), CFRunLoopGetCurrent())
-    , m_delay(s_decade)
-{
-}
-
-DefaultGCActivityCallback::DefaultGCActivityCallback(Heap* heap, CFRunLoopRef runLoop)
-    : GCActivityCallback(heap->vm(), runLoop)
-    , m_delay(s_decade)
-{
-}
-#elif PLATFORM(QT)
-DefaultGCActivityCallback::DefaultGCActivityCallback(Heap* heap)
-    : GCActivityCallback(heap->vm())
-    , m_delay(hour)
-{
-}
-#elif PLATFORM(EFL)
-DefaultGCActivityCallback::DefaultGCActivityCallback(Heap* heap)
-    : GCActivityCallback(heap->vm(), WTF::isMainThread())
-    , m_delay(hour)
-{
-}
-#endif
-
-void DefaultGCActivityCallback::doWork()
-{
-    Heap* heap = &m_vm->heap;
-    if (!isEnabled())
-        return;
-    
-    APIEntryShim shim(m_vm);
-#if !PLATFORM(IOS)
-    double startTime = WTF::monotonicallyIncreasingTime();
-    if (heap->isPagedOut(startTime + pagingTimeOut)) {
-        heap->activityCallback()->cancel();
-        heap->increaseLastGCLength(pagingTimeOut);
-        return;
-    }
-#endif
-    heap->collect(Heap::DoNotSweep);
-}
-    
-#if USE(CF)
-void DefaultGCActivityCallback::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 DefaultGCActivityCallback::cancelTimer()
-{
-    m_delay = s_decade;
-    CFRunLoopTimerSetNextFireDate(m_timer.get(), CFAbsoluteTimeGetCurrent() + s_decade);
-}
-#elif PLATFORM(QT)
-
-void DefaultGCActivityCallback::scheduleTimer(double newDelay)
-{
-    if (newDelay * timerSlop > m_delay)
-        return;
-    m_delay = newDelay;
-    m_timer.start(newDelay * 1000, this);
-}
-
-void DefaultGCActivityCallback::cancelTimer()
-{
-    m_delay = hour;
-    m_timer.stop();
-}
-#elif PLATFORM(EFL)
-void DefaultGCActivityCallback::scheduleTimer(double newDelay)
-{
-    if (newDelay * timerSlop > m_delay)
-        return;
-
-    stop();
-    m_delay = newDelay;
-    
-    ASSERT(!m_timer);
-    m_timer = add(newDelay, this);
-}
-
-void DefaultGCActivityCallback::cancelTimer()
-{
-    m_delay = hour;
-    stop();
-}
-#endif
-
-void DefaultGCActivityCallback::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;
-    Heap* heap = static_cast<Heap*>(&m_vm->heap);
-    double gcTimeSlice = std::min((static_cast<double>(bytes) / MB) * gcTimeSlicePerMB, maxGCTimeSlice);
-    double newDelay = heap->lastGCLength() / gcTimeSlice;
-    scheduleTimer(newDelay);
-}
-
-void DefaultGCActivityCallback::willCollect()
-{
-    cancelTimer();
-}
-
-void DefaultGCActivityCallback::cancel()
-{
-    cancelTimer();
-}
-
-#else
-
-DefaultGCActivityCallback::DefaultGCActivityCallback(Heap* heap)
-    : GCActivityCallback(heap->vm())
-{
-}
-
-void DefaultGCActivityCallback::doWork()
-{
-}
-
-void DefaultGCActivityCallback::didAllocate(size_t)
-{
-}
-
-void DefaultGCActivityCallback::willCollect()
-{
-}
-
-void DefaultGCActivityCallback::cancel()
-{
-}
-
-#endif
-
-}
-