webkitgtk-2.4.11webkitgtk-2.4.11

1 files changed, 0 insertions, 115 deletions

diff --git a/Source/JavaScriptCore/heap/FullGCActivityCallback.cpp b/Source/JavaScriptCore/heap/FullGCActivityCallback.cpp
deleted file mode 100644
index 91051a6e4..000000000
--- a/Source/JavaScriptCore/heap/FullGCActivityCallback.cpp
+++ /dev/null
@@ -1,115 +0,0 @@
-/*
- * Copyright (C) 2014 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.
- *
- * THIS SOFTWARE IS PROVIDED BY APPLE INC. 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 INC. 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 "FullGCActivityCallback.h"
-
-#include "VM.h"
-
-namespace JSC {
-
-#if USE(CF) || USE(GLIB)
-
-#if !PLATFORM(IOS)
-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.
-#endif
-
-FullGCActivityCallback::FullGCActivityCallback(Heap* heap)
-    : GCActivityCallback(heap)
-{
-}
-
-void FullGCActivityCallback::doCollection()
-{
-    Heap& heap = m_vm->heap;
-    m_didSyncGCRecently = false;
-
-#if !PLATFORM(IOS)
-    double startTime = WTF::monotonicallyIncreasingTime();
-    if (heap.isPagedOut(startTime + pagingTimeOut)) {
-        cancel();
-        heap.increaseLastFullGCLength(pagingTimeOut);
-        return;
-    }
-#endif
-
-    heap.collect(FullCollection);
-}
-
-double FullGCActivityCallback::lastGCLength()
-{
-    return m_vm->heap.lastFullGCLength();
-}
-
-double FullGCActivityCallback::deathRate()
-{
-    Heap* heap = &m_vm->heap;
-    size_t sizeBefore = heap->sizeBeforeLastFullCollection();
-    size_t sizeAfter = heap->sizeAfterLastFullCollection();
-    if (!sizeBefore)
-        return 1.0;
-    if (sizeAfter > sizeBefore) {
-        // GC caused the heap to grow(!)
-        // This could happen if the we visited more extra memory than was reported allocated.
-        // We don't return a negative death rate, since that would schedule the next GC in the past.
-        return 0;
-    }
-    return static_cast<double>(sizeBefore - sizeAfter) / static_cast<double>(sizeBefore);
-}
-
-double FullGCActivityCallback::gcTimeSlice(size_t bytes)
-{
-    return std::min((static_cast<double>(bytes) / MB) * Options::percentCPUPerMBForFullTimer(), Options::collectionTimerMaxPercentCPU());
-}
-
-#else
-
-FullGCActivityCallback::FullGCActivityCallback(Heap* heap)
-    : GCActivityCallback(heap)
-{
-}
-
-void FullGCActivityCallback::doCollection()
-{
-}
-
-double FullGCActivityCallback::lastGCLength()
-{
-    return 0;
-}
-
-double FullGCActivityCallback::deathRate()
-{
-    return 0;
-}
-
-double FullGCActivityCallback::gcTimeSlice(size_t)
-{
-    return 0;
-}
-
-#endif // USE(CF) || PLATFORM(EFL)
-
-} // namespace JSC