/* * Copyright (C) 2016 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. ``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 * 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 "CommonVM.h" #include "ScriptController.h" #include "Settings.h" #include "WebCoreJSClientData.h" #include <heap/HeapInlines.h> #include <runtime/VM.h> #include <wtf/MainThread.h> using namespace JSC; namespace WebCore { VM* g_commonVMOrNull; VM& commonVMSlow() { ASSERT(isMainThread()); ASSERT(!g_commonVMOrNull); ScriptController::initializeThreading(); g_commonVMOrNull = &VM::createLeaked(LargeHeap).leakRef(); g_commonVMOrNull->heap.acquireAccess(); // At any time, we may do things that affect the GC. #if !PLATFORM(IOS) g_commonVMOrNull->setExclusiveThread(std::this_thread::get_id()); #else g_commonVMOrNull->heap.setRunLoop(WebThreadRunLoop()); g_commonVMOrNull->heap.machineThreads().addCurrentThread(); #endif g_commonVMOrNull->setGlobalConstRedeclarationShouldThrow(Settings::globalConstRedeclarationShouldThrow()); JSVMClientData::initNormalWorld(g_commonVMOrNull); return *g_commonVMOrNull; } } // namespace WebCore