18e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project/* 28e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project * Copyright (C) 2007 Apple Inc. All rights reserved. 38e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project * 48e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project * Redistribution and use in source and binary forms, with or without 58e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project * modification, are permitted provided that the following conditions 68e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project * are met: 78e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project * 1. Redistributions of source code must retain the above copyright 88e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project * notice, this list of conditions and the following disclaimer. 98e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project * 2. Redistributions in binary form must reproduce the above copyright 108e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project * notice, this list of conditions and the following disclaimer in the 118e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project * documentation and/or other materials provided with the distribution. 128e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project * 138e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project * THIS SOFTWARE IS PROVIDED BY APPLE COMPUTER, INC. ``AS IS'' AND ANY 148e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 158e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 168e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE COMPUTER, INC. OR 178e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, 188e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, 198e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR 208e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY 218e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 228e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE 238e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 248e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project */ 258e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project 268e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project#include "config.h" 278e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project#include "GCController.h" 288e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project 298e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project#include "JSDOMWindow.h" 308e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project#include <runtime/JSGlobalData.h> 318e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project#include <runtime/JSLock.h> 322daae5fd11344eaa88a0d92b0f6d65f8d2255c00Ben Murdoch#include <heap/Heap.h> 33635860845790a19bf50bbc51ba8fb66a96dde068The Android Open Source Project#include <wtf/StdLibExtras.h> 348e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project 358e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Projectusing namespace JSC; 368e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project 378e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Projectnamespace WebCore { 388e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project 398e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Projectstatic void* collect(void*) 408e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project{ 410bf48ef3be53ddaa52bbead65dfd75bf90e7a2b5Ben Murdoch JSLock lock(SilenceAssertionsOnly); 42d0825bca7fe65beaee391d30da42e937db621564Steve Block JSDOMWindow::commonJSGlobalData()->heap.collectAllGarbage(); 438e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project return 0; 448e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project} 458e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project 468e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source ProjectGCController& gcController() 478e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project{ 48635860845790a19bf50bbc51ba8fb66a96dde068The Android Open Source Project DEFINE_STATIC_LOCAL(GCController, staticGCController, ()); 498e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project return staticGCController; 508e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project} 518e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project 528e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source ProjectGCController::GCController() 538e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project : m_GCTimer(this, &GCController::gcTimerFired) 548e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project{ 558e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project} 568e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project 578e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Projectvoid GCController::garbageCollectSoon() 588e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project{ 598e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project if (!m_GCTimer.isActive()) 60e78cbe89e6f337f2f1fe40315be88f742b547151Steve Block m_GCTimer.startOneShot(0); 618e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project} 628e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project 638e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Projectvoid GCController::gcTimerFired(Timer<GCController>*) 648e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project{ 65d0825bca7fe65beaee391d30da42e937db621564Steve Block collect(0); 668e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project} 678e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project 688e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Projectvoid GCController::garbageCollectNow() 698e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project{ 70dcc8cf2e65d1aa555cce12431a16547e66b469eeSteve Block JSLock lock(SilenceAssertionsOnly); 71dcc8cf2e65d1aa555cce12431a16547e66b469eeSteve Block if (!JSDOMWindow::commonJSGlobalData()->heap.isBusy()) 72dcc8cf2e65d1aa555cce12431a16547e66b469eeSteve Block collect(0); 738e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project} 748e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project 758e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Projectvoid GCController::garbageCollectOnAlternateThreadForDebugging(bool waitUntilDone) 768e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project{ 772daae5fd11344eaa88a0d92b0f6d65f8d2255c00Ben Murdoch ThreadIdentifier threadID = createThread(collect, 0, "WebCore: GCController"); 782daae5fd11344eaa88a0d92b0f6d65f8d2255c00Ben Murdoch 792daae5fd11344eaa88a0d92b0f6d65f8d2255c00Ben Murdoch if (waitUntilDone) { 802daae5fd11344eaa88a0d92b0f6d65f8d2255c00Ben Murdoch waitForThreadCompletion(threadID, 0); 812daae5fd11344eaa88a0d92b0f6d65f8d2255c00Ben Murdoch return; 822daae5fd11344eaa88a0d92b0f6d65f8d2255c00Ben Murdoch } 838e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project 842daae5fd11344eaa88a0d92b0f6d65f8d2255c00Ben Murdoch detachThread(threadID); 858e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project} 868e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project 878e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project} // namespace WebCore 88