/platform/external/webkit/WebCore/bindings/js/GCController.cpp
https://github.com/aharish/totoro-gb-opensource-update2 · C++ · 88 lines · 50 code · 14 blank · 24 comment · 2 complexity · feb18db4032be7d6808507daa10a493f MD5 · raw file
- /*
- * Copyright (C) 2007 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 COMPUTER, INC. ``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 COMPUTER, INC. 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.
- */
- #include "config.h"
- #include "GCController.h"
- #include "JSDOMWindow.h"
- #include <runtime/JSGlobalData.h>
- #include <runtime/JSLock.h>
- #include <runtime/Collector.h>
- #include <wtf/StdLibExtras.h>
- #if USE(PTHREADS)
- #include <pthread.h>
- #endif
- using namespace JSC;
- namespace WebCore {
- static void* collect(void*)
- {
- JSLock lock(SilenceAssertionsOnly);
- JSDOMWindow::commonJSGlobalData()->heap.collectAllGarbage();
- return 0;
- }
- GCController& gcController()
- {
- DEFINE_STATIC_LOCAL(GCController, staticGCController, ());
- return staticGCController;
- }
- GCController::GCController()
- : m_GCTimer(this, &GCController::gcTimerFired)
- {
- }
- void GCController::garbageCollectSoon()
- {
- if (!m_GCTimer.isActive())
- m_GCTimer.startOneShot(0.5);
- }
- void GCController::gcTimerFired(Timer<GCController>*)
- {
- collect(0);
- }
- void GCController::garbageCollectNow()
- {
- collect(0);
- }
- void GCController::garbageCollectOnAlternateThreadForDebugging(bool waitUntilDone)
- {
- #if USE(PTHREADS)
- pthread_t thread;
- pthread_create(&thread, NULL, collect, NULL);
- if (waitUntilDone)
- pthread_join(thread, NULL);
- #endif
- }
- } // namespace WebCore