webkitgtk-2.4.11webkitgtk-2.4.11

1 files changed, 0 insertions, 210 deletions

diff --git a/Source/JavaScriptCore/heap/GCActivityCallback.cpp b/Source/JavaScriptCore/heap/GCActivityCallback.cpp
deleted file mode 100644
index 4d5d20afb..000000000
--- a/Source/JavaScriptCore/heap/GCActivityCallback.cpp
+++ /dev/null
@@ -1,210 +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>
-#elif USE(GLIB)
-#include <glib.h>
-#endif
-
-namespace JSC {
-
-bool GCActivityCallback::s_shouldCreateGCTimer = true;
-
-#if USE(CF) || USE(GLIB)
-
-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())
-{
-}
-#elif USE(GLIB)
-GCActivityCallback::GCActivityCallback(Heap* heap)
-    : GCActivityCallback(heap->vm())
-{
-}
-#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;
-    m_nextFireTime = WTF::currentTime() + newDelay;
-    CFRunLoopTimerSetNextFireDate(m_timer.get(), CFRunLoopTimerGetNextFireDate(m_timer.get()) - delta);
-}
-
-void GCActivityCallback::cancelTimer()
-{
-    m_delay = s_decade;
-    m_nextFireTime = 0;
-    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();
-}
-#elif USE(GLIB)
-void GCActivityCallback::scheduleTimer(double newDelay)
-{
-    ASSERT(newDelay >= 0);
-    if (m_delay != -1 && newDelay * timerSlop > m_delay)
-        return;
-
-    m_delay = newDelay;
-    if (!m_delay) {
-        g_source_set_ready_time(m_timer.get(), 0);
-        return;
-    }
-
-    auto delayDuration = std::chrono::duration<double>(m_delay);
-    auto safeDelayDuration = std::chrono::microseconds::max();
-    if (delayDuration < safeDelayDuration)
-        safeDelayDuration = std::chrono::duration_cast<std::chrono::microseconds>(delayDuration);
-    gint64 currentTime = g_get_monotonic_time();
-    gint64 targetTime = currentTime + std::min<gint64>(G_MAXINT64 - currentTime, safeDelayDuration.count());
-    ASSERT(targetTime >= currentTime);
-    g_source_set_ready_time(m_timer.get(), targetTime);
-}
-
-void GCActivityCallback::cancelTimer()
-{
-    m_delay = -1;
-    g_source_set_ready_time(m_timer.get(), -1);
-}
-#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
-
-}
-