зеркало из https://github.com/mozilla/gecko-dev.git
1004 строки
32 KiB
C++
1004 строки
32 KiB
C++
/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
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/* vim:set ts=4 sw=4 sts=4 ci et: */
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/* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
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#include "base/basictypes.h"
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#include "mozilla/Atomics.h"
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#include "mozilla/Poison.h"
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#include "mozilla/XPCOM.h"
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#include "nsXULAppAPI.h"
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#include "nsXPCOMPrivate.h"
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#include "nsXPCOMCIDInternal.h"
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#include "mozilla/layers/ImageBridgeChild.h"
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#include "mozilla/layers/CompositorParent.h"
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#include "mozilla/layers/AsyncTransactionTracker.h"
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#include "mozilla/layers/SharedBufferManagerChild.h"
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#include "prlink.h"
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#include "nsCycleCollector.h"
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#include "nsObserverList.h"
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#include "nsObserverService.h"
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#include "nsProperties.h"
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#include "nsPersistentProperties.h"
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#include "nsScriptableInputStream.h"
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#include "nsBinaryStream.h"
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#include "nsStorageStream.h"
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#include "nsPipe.h"
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#include "nsScriptableBase64Encoder.h"
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#include "nsMemoryImpl.h"
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#include "nsDebugImpl.h"
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#include "nsTraceRefcnt.h"
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#include "nsErrorService.h"
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#include "nsSupportsArray.h"
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#include "nsArray.h"
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#include "nsINIParserImpl.h"
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#include "nsSupportsPrimitives.h"
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#include "nsConsoleService.h"
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#include "nsComponentManager.h"
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#include "nsCategoryManagerUtils.h"
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#include "nsIServiceManager.h"
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#include "nsThreadManager.h"
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#include "nsThreadPool.h"
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#include "xptinfo.h"
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#include "nsIInterfaceInfoManager.h"
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#include "xptiprivate.h"
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#include "mozilla/XPTInterfaceInfoManager.h"
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#include "nsTimerImpl.h"
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#include "TimerThread.h"
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#include "nsThread.h"
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#include "nsProcess.h"
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#include "nsEnvironment.h"
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#include "nsVersionComparatorImpl.h"
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#include "nsIFile.h"
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#include "nsLocalFile.h"
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#if defined(XP_UNIX)
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#include "nsNativeCharsetUtils.h"
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#endif
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#include "nsDirectoryService.h"
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#include "nsDirectoryServiceDefs.h"
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#include "nsCategoryManager.h"
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#include "nsICategoryManager.h"
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#include "nsMultiplexInputStream.h"
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#include "nsStringStream.h"
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extern nsresult nsStringInputStreamConstructor(nsISupports *, REFNSIID, void **);
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#include "nsAtomService.h"
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#include "nsAtomTable.h"
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#include "nsISupportsImpl.h"
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#include "nsHashPropertyBag.h"
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#include "nsUnicharInputStream.h"
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#include "nsVariant.h"
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#include "nsUUIDGenerator.h"
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#include "nsIOUtil.h"
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#include "SpecialSystemDirectory.h"
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#if defined(XP_WIN)
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#include "nsWindowsRegKey.h"
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#endif
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#ifdef MOZ_WIDGET_COCOA
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#include "nsMacUtilsImpl.h"
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#endif
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#include "nsSystemInfo.h"
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#include "nsMemoryReporterManager.h"
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#include "nsMemoryInfoDumper.h"
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#include "nsSecurityConsoleMessage.h"
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#include "nsMessageLoop.h"
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#include "nsStatusReporterManager.h"
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#include <locale.h>
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#include "mozilla/Services.h"
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#include "mozilla/Omnijar.h"
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#include "mozilla/HangMonitor.h"
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#include "mozilla/Telemetry.h"
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#include "mozilla/BackgroundHangMonitor.h"
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#include "nsChromeRegistry.h"
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#include "nsChromeProtocolHandler.h"
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#include "mozilla/PoisonIOInterposer.h"
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#include "mozilla/LateWriteChecks.h"
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#include "mozilla/scache/StartupCache.h"
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#include "base/at_exit.h"
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#include "base/command_line.h"
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#include "base/message_loop.h"
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#include "mozilla/ipc/BrowserProcessSubThread.h"
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#include "mozilla/AvailableMemoryTracker.h"
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#include "mozilla/ClearOnShutdown.h"
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#include "mozilla/SystemMemoryReporter.h"
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#include "mozilla/ipc/GeckoChildProcessHost.h"
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#ifdef MOZ_VISUAL_EVENT_TRACER
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#include "mozilla/VisualEventTracer.h"
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#endif
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#include "ogg/ogg.h"
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#if defined(MOZ_VPX) && !defined(MOZ_VPX_NO_MEM_REPORTING)
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#include "vpx_mem/vpx_mem.h"
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#endif
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#ifdef MOZ_WEBM
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#include "nestegg/nestegg.h"
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#endif
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#include "GeckoProfiler.h"
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#include "jsapi.h"
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using namespace mozilla;
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using base::AtExitManager;
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using mozilla::ipc::BrowserProcessSubThread;
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#ifdef MOZ_VISUAL_EVENT_TRACER
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using mozilla::eventtracer::VisualEventTracer;
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#endif
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namespace {
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static AtExitManager* sExitManager;
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static MessageLoop* sMessageLoop;
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static bool sCommandLineWasInitialized;
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static BrowserProcessSubThread* sIOThread;
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static BackgroundHangMonitor* sMainHangMonitor;
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} /* anonymous namespace */
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// Registry Factory creation function defined in nsRegistry.cpp
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// We hook into this function locally to create and register the registry
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// Since noone outside xpcom needs to know about this and nsRegistry.cpp
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// does not have a local include file, we are putting this definition
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// here rather than in nsIRegistry.h
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extern nsresult NS_RegistryGetFactory(nsIFactory** aFactory);
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extern nsresult NS_CategoryManagerGetFactory( nsIFactory** );
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#ifdef XP_WIN
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extern nsresult CreateAnonTempFileRemover();
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#endif
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NS_GENERIC_FACTORY_CONSTRUCTOR(nsProcess)
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NS_GENERIC_FACTORY_CONSTRUCTOR(nsSupportsIDImpl)
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NS_GENERIC_FACTORY_CONSTRUCTOR(nsSupportsStringImpl)
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NS_GENERIC_FACTORY_CONSTRUCTOR(nsSupportsCStringImpl)
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NS_GENERIC_FACTORY_CONSTRUCTOR(nsSupportsPRBoolImpl)
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NS_GENERIC_FACTORY_CONSTRUCTOR(nsSupportsPRUint8Impl)
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NS_GENERIC_FACTORY_CONSTRUCTOR(nsSupportsPRUint16Impl)
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NS_GENERIC_FACTORY_CONSTRUCTOR(nsSupportsPRUint32Impl)
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NS_GENERIC_FACTORY_CONSTRUCTOR(nsSupportsPRUint64Impl)
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NS_GENERIC_FACTORY_CONSTRUCTOR(nsSupportsPRTimeImpl)
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NS_GENERIC_FACTORY_CONSTRUCTOR(nsSupportsCharImpl)
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NS_GENERIC_FACTORY_CONSTRUCTOR(nsSupportsPRInt16Impl)
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NS_GENERIC_FACTORY_CONSTRUCTOR(nsSupportsPRInt32Impl)
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NS_GENERIC_FACTORY_CONSTRUCTOR(nsSupportsPRInt64Impl)
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NS_GENERIC_FACTORY_CONSTRUCTOR(nsSupportsFloatImpl)
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NS_GENERIC_FACTORY_CONSTRUCTOR(nsSupportsDoubleImpl)
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NS_GENERIC_FACTORY_CONSTRUCTOR(nsSupportsVoidImpl)
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NS_GENERIC_FACTORY_CONSTRUCTOR(nsSupportsInterfacePointerImpl)
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NS_GENERIC_FACTORY_CONSTRUCTOR_INIT(nsConsoleService, Init)
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NS_GENERIC_FACTORY_CONSTRUCTOR(nsAtomService)
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NS_GENERIC_FACTORY_CONSTRUCTOR(nsTimerImpl)
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NS_GENERIC_FACTORY_CONSTRUCTOR(nsBinaryOutputStream)
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NS_GENERIC_FACTORY_CONSTRUCTOR(nsBinaryInputStream)
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NS_GENERIC_FACTORY_CONSTRUCTOR(nsStorageStream)
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NS_GENERIC_FACTORY_CONSTRUCTOR(nsVersionComparatorImpl)
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NS_GENERIC_FACTORY_CONSTRUCTOR(nsScriptableBase64Encoder)
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#ifdef MOZ_VISUAL_EVENT_TRACER
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NS_GENERIC_FACTORY_CONSTRUCTOR(VisualEventTracer)
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#endif
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NS_GENERIC_FACTORY_CONSTRUCTOR(nsVariant)
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NS_GENERIC_FACTORY_CONSTRUCTOR(nsHashPropertyBag)
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NS_GENERIC_AGGREGATED_CONSTRUCTOR(nsProperties)
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NS_GENERIC_FACTORY_CONSTRUCTOR_INIT(nsUUIDGenerator, Init)
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#ifdef MOZ_WIDGET_COCOA
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NS_GENERIC_FACTORY_CONSTRUCTOR(nsMacUtilsImpl)
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#endif
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NS_GENERIC_FACTORY_CONSTRUCTOR_INIT(nsSystemInfo, Init)
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NS_GENERIC_FACTORY_CONSTRUCTOR_INIT(nsMemoryReporterManager, Init)
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NS_GENERIC_FACTORY_CONSTRUCTOR(nsMemoryInfoDumper)
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NS_GENERIC_FACTORY_CONSTRUCTOR_INIT(nsStatusReporterManager, Init)
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NS_GENERIC_FACTORY_CONSTRUCTOR(nsIOUtil)
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NS_GENERIC_FACTORY_CONSTRUCTOR(nsSecurityConsoleMessage)
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static nsresult
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nsThreadManagerGetSingleton(nsISupports* outer,
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const nsIID& aIID,
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void* *aInstancePtr)
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{
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NS_ASSERTION(aInstancePtr, "null outptr");
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if (NS_WARN_IF(outer))
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return NS_ERROR_NO_AGGREGATION;
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return nsThreadManager::get()->QueryInterface(aIID, aInstancePtr);
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}
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NS_GENERIC_FACTORY_CONSTRUCTOR(nsThreadPool)
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static nsresult
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nsXPTIInterfaceInfoManagerGetSingleton(nsISupports* outer,
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const nsIID& aIID,
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void* *aInstancePtr)
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{
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NS_ASSERTION(aInstancePtr, "null outptr");
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if (NS_WARN_IF(outer))
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return NS_ERROR_NO_AGGREGATION;
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nsCOMPtr<nsIInterfaceInfoManager> iim
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(XPTInterfaceInfoManager::GetSingleton());
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if (!iim)
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return NS_ERROR_FAILURE;
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return iim->QueryInterface(aIID, aInstancePtr);
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}
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nsComponentManagerImpl* nsComponentManagerImpl::gComponentManager = nullptr;
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bool gXPCOMShuttingDown = false;
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bool gXPCOMThreadsShutDown = false;
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static NS_DEFINE_CID(kComponentManagerCID, NS_COMPONENTMANAGER_CID);
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static NS_DEFINE_CID(kINIParserFactoryCID, NS_INIPARSERFACTORY_CID);
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static NS_DEFINE_CID(kSimpleUnicharStreamFactoryCID, NS_SIMPLE_UNICHAR_STREAM_FACTORY_CID);
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NS_DEFINE_NAMED_CID(NS_CHROMEREGISTRY_CID);
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NS_DEFINE_NAMED_CID(NS_CHROMEPROTOCOLHANDLER_CID);
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NS_DEFINE_NAMED_CID(NS_SECURITY_CONSOLE_MESSAGE_CID);
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NS_GENERIC_FACTORY_SINGLETON_CONSTRUCTOR(nsChromeRegistry,
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nsChromeRegistry::GetSingleton)
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NS_GENERIC_FACTORY_CONSTRUCTOR(nsChromeProtocolHandler)
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#define NS_PERSISTENTPROPERTIES_CID NS_IPERSISTENTPROPERTIES_CID /* sigh */
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static already_AddRefed<nsIFactory>
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CreateINIParserFactory(const mozilla::Module& module,
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const mozilla::Module::CIDEntry& entry)
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{
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nsCOMPtr<nsIFactory> f = new nsINIParserFactory();
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return f.forget();
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}
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static already_AddRefed<nsIFactory>
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CreateUnicharStreamFactory(const mozilla::Module& module,
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const mozilla::Module::CIDEntry& entry)
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{
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return already_AddRefed<nsIFactory>(
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nsSimpleUnicharStreamFactory::GetInstance());
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}
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#define COMPONENT(NAME, Ctor) static NS_DEFINE_CID(kNS_##NAME##_CID, NS_##NAME##_CID);
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#include "XPCOMModule.inc"
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#undef COMPONENT
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#define COMPONENT(NAME, Ctor) { &kNS_##NAME##_CID, false, nullptr, Ctor },
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const mozilla::Module::CIDEntry kXPCOMCIDEntries[] = {
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{ &kComponentManagerCID, true, nullptr, nsComponentManagerImpl::Create },
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{ &kINIParserFactoryCID, false, CreateINIParserFactory },
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{ &kSimpleUnicharStreamFactoryCID, false, CreateUnicharStreamFactory },
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#include "XPCOMModule.inc"
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{ &kNS_CHROMEREGISTRY_CID, false, nullptr, nsChromeRegistryConstructor },
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{ &kNS_CHROMEPROTOCOLHANDLER_CID, false, nullptr, nsChromeProtocolHandlerConstructor },
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{ &kNS_SECURITY_CONSOLE_MESSAGE_CID, false, nullptr, nsSecurityConsoleMessageConstructor },
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{ nullptr }
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};
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#undef COMPONENT
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#define COMPONENT(NAME, Ctor) { NS_##NAME##_CONTRACTID, &kNS_##NAME##_CID },
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const mozilla::Module::ContractIDEntry kXPCOMContracts[] = {
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#include "XPCOMModule.inc"
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{ NS_CHROMEREGISTRY_CONTRACTID, &kNS_CHROMEREGISTRY_CID },
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{ NS_NETWORK_PROTOCOL_CONTRACTID_PREFIX "chrome", &kNS_CHROMEPROTOCOLHANDLER_CID },
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{ NS_INIPARSERFACTORY_CONTRACTID, &kINIParserFactoryCID },
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{ NS_SECURITY_CONSOLE_MESSAGE_CONTRACTID, &kNS_SECURITY_CONSOLE_MESSAGE_CID },
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{ nullptr }
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};
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#undef COMPONENT
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const mozilla::Module kXPCOMModule = { mozilla::Module::kVersion, kXPCOMCIDEntries, kXPCOMContracts };
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// gDebug will be freed during shutdown.
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static nsIDebug* gDebug = nullptr;
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EXPORT_XPCOM_API(nsresult)
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NS_GetDebug(nsIDebug** result)
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{
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return nsDebugImpl::Create(nullptr,
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NS_GET_IID(nsIDebug),
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(void**) result);
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}
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EXPORT_XPCOM_API(nsresult)
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NS_InitXPCOM(nsIServiceManager* *result,
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nsIFile* binDirectory)
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{
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return NS_InitXPCOM2(result, binDirectory, nullptr);
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}
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class ICUReporter MOZ_FINAL : public nsIMemoryReporter,
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public CountingAllocatorBase<ICUReporter>
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{
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public:
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NS_DECL_ISUPPORTS
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static void* Alloc(const void*, size_t size)
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{
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return CountingMalloc(size);
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}
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static void* Realloc(const void*, void* p, size_t size)
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{
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return CountingRealloc(p, size);
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}
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static void Free(const void*, void* p)
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{
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return CountingFree(p);
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}
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private:
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NS_IMETHODIMP
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CollectReports(nsIHandleReportCallback* aHandleReport, nsISupports* aData)
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{
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return MOZ_COLLECT_REPORT(
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"explicit/icu", KIND_HEAP, UNITS_BYTES, MemoryAllocated(),
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"Memory used by ICU, a Unicode and globalization support library.");
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}
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};
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NS_IMPL_ISUPPORTS(ICUReporter, nsIMemoryReporter)
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/* static */ template<> Atomic<size_t> CountingAllocatorBase<ICUReporter>::sAmount(0);
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class OggReporter MOZ_FINAL : public nsIMemoryReporter,
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public CountingAllocatorBase<OggReporter>
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{
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public:
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NS_DECL_ISUPPORTS
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private:
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NS_IMETHODIMP
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CollectReports(nsIHandleReportCallback* aHandleReport, nsISupports* aData)
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{
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return MOZ_COLLECT_REPORT(
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"explicit/media/libogg", KIND_HEAP, UNITS_BYTES, MemoryAllocated(),
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"Memory allocated through libogg for Ogg, Theora, and related media files.");
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}
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};
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NS_IMPL_ISUPPORTS(OggReporter, nsIMemoryReporter)
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/* static */ template<> Atomic<size_t> CountingAllocatorBase<OggReporter>::sAmount(0);
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#ifdef MOZ_VPX
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class VPXReporter MOZ_FINAL : public nsIMemoryReporter,
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public CountingAllocatorBase<VPXReporter>
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{
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public:
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NS_DECL_ISUPPORTS
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private:
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NS_IMETHODIMP
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CollectReports(nsIHandleReportCallback* aHandleReport, nsISupports* aData)
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{
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return MOZ_COLLECT_REPORT(
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"explicit/media/libvpx", KIND_HEAP, UNITS_BYTES, MemoryAllocated(),
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"Memory allocated through libvpx for WebM media files.");
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}
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};
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NS_IMPL_ISUPPORTS(VPXReporter, nsIMemoryReporter)
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/* static */ template<> Atomic<size_t> CountingAllocatorBase<VPXReporter>::sAmount(0);
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#endif /* MOZ_VPX */
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#ifdef MOZ_WEBM
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class NesteggReporter MOZ_FINAL : public nsIMemoryReporter
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, public CountingAllocatorBase<NesteggReporter>
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{
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public:
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NS_DECL_ISUPPORTS
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private:
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NS_IMETHODIMP
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CollectReports(nsIHandleReportCallback* aHandleReport, nsISupports* aData)
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{
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return MOZ_COLLECT_REPORT(
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"explicit/media/libnestegg", KIND_HEAP, UNITS_BYTES, MemoryAllocated(),
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"Memory allocated through libnestegg for WebM media files.");
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}
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};
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NS_IMPL_ISUPPORTS(NesteggReporter, nsIMemoryReporter)
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/* static */ template<> Atomic<size_t> CountingAllocatorBase<NesteggReporter>::sAmount(0);
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#endif /* MOZ_WEBM */
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EXPORT_XPCOM_API(nsresult)
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NS_InitXPCOM2(nsIServiceManager* *result,
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nsIFile* binDirectory,
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nsIDirectoryServiceProvider* appFileLocationProvider)
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{
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mozPoisonValueInit();
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char aLocal;
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profiler_init(&aLocal);
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nsresult rv = NS_OK;
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// We are not shutting down
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gXPCOMShuttingDown = false;
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// Initialize the available memory tracker before other threads have had a
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// chance to start up, because the initialization is not thread-safe.
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mozilla::AvailableMemoryTracker::Init();
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#ifdef XP_UNIX
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// Discover the current value of the umask, and save it where
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// nsSystemInfo::Init can retrieve it when necessary. There is no way
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// to read the umask without changing it, and the setting is process-
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// global, so this must be done while we are still single-threaded; the
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// nsSystemInfo object is typically created much later, when some piece
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// of chrome JS wants it. The system call is specified as unable to fail.
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nsSystemInfo::gUserUmask = ::umask(0777);
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::umask(nsSystemInfo::gUserUmask);
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#endif
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|
|
NS_LogInit();
|
|
|
|
// Set up chromium libs
|
|
NS_ASSERTION(!sExitManager && !sMessageLoop, "Bad logic!");
|
|
|
|
if (!AtExitManager::AlreadyRegistered()) {
|
|
sExitManager = new AtExitManager();
|
|
}
|
|
|
|
if (!MessageLoop::current()) {
|
|
sMessageLoop = new MessageLoopForUI(MessageLoop::TYPE_MOZILLA_UI);
|
|
sMessageLoop->set_thread_name("Gecko");
|
|
// Set experimental values for main thread hangs:
|
|
// 512ms for transient hangs and 8192ms for permanent hangs
|
|
sMessageLoop->set_hang_timeouts(512, 8192);
|
|
}
|
|
|
|
if (XRE_GetProcessType() == GeckoProcessType_Default &&
|
|
!BrowserProcessSubThread::GetMessageLoop(BrowserProcessSubThread::IO)) {
|
|
scoped_ptr<BrowserProcessSubThread> ioThread(
|
|
new BrowserProcessSubThread(BrowserProcessSubThread::IO));
|
|
|
|
base::Thread::Options options;
|
|
options.message_loop_type = MessageLoop::TYPE_IO;
|
|
if (NS_WARN_IF(!ioThread->StartWithOptions(options)))
|
|
return NS_ERROR_FAILURE;
|
|
|
|
sIOThread = ioThread.release();
|
|
}
|
|
|
|
// Establish the main thread here.
|
|
rv = nsThreadManager::get()->Init();
|
|
if (NS_WARN_IF(NS_FAILED(rv)))
|
|
return rv;
|
|
|
|
// Set up the timer globals/timer thread
|
|
rv = nsTimerImpl::Startup();
|
|
if (NS_WARN_IF(NS_FAILED(rv)))
|
|
return rv;
|
|
|
|
#ifndef ANDROID
|
|
// If the locale hasn't already been setup by our embedder,
|
|
// get us out of the "C" locale and into the system
|
|
if (strcmp(setlocale(LC_ALL, nullptr), "C") == 0)
|
|
setlocale(LC_ALL, "");
|
|
#endif
|
|
|
|
#if defined(XP_UNIX)
|
|
NS_StartupNativeCharsetUtils();
|
|
#endif
|
|
|
|
NS_StartupLocalFile();
|
|
|
|
StartupSpecialSystemDirectory();
|
|
|
|
nsDirectoryService::RealInit();
|
|
|
|
bool value;
|
|
|
|
if (binDirectory)
|
|
{
|
|
rv = binDirectory->IsDirectory(&value);
|
|
|
|
if (NS_SUCCEEDED(rv) && value) {
|
|
nsDirectoryService::gService->Set(NS_XPCOM_INIT_CURRENT_PROCESS_DIR, binDirectory);
|
|
}
|
|
}
|
|
|
|
if (appFileLocationProvider) {
|
|
rv = nsDirectoryService::gService->RegisterProvider(appFileLocationProvider);
|
|
if (NS_FAILED(rv)) return rv;
|
|
}
|
|
|
|
nsCOMPtr<nsIFile> xpcomLib;
|
|
|
|
nsDirectoryService::gService->Get(NS_GRE_DIR,
|
|
NS_GET_IID(nsIFile),
|
|
getter_AddRefs(xpcomLib));
|
|
|
|
if (xpcomLib) {
|
|
xpcomLib->AppendNative(nsDependentCString(XPCOM_DLL));
|
|
nsDirectoryService::gService->Set(NS_XPCOM_LIBRARY_FILE, xpcomLib);
|
|
}
|
|
|
|
if (!mozilla::Omnijar::IsInitialized()) {
|
|
mozilla::Omnijar::Init();
|
|
}
|
|
|
|
if ((sCommandLineWasInitialized = !CommandLine::IsInitialized())) {
|
|
#ifdef OS_WIN
|
|
CommandLine::Init(0, nullptr);
|
|
#else
|
|
nsCOMPtr<nsIFile> binaryFile;
|
|
nsDirectoryService::gService->Get(NS_XPCOM_CURRENT_PROCESS_DIR,
|
|
NS_GET_IID(nsIFile),
|
|
getter_AddRefs(binaryFile));
|
|
if (NS_WARN_IF(!binaryFile))
|
|
return NS_ERROR_FAILURE;
|
|
|
|
rv = binaryFile->AppendNative(NS_LITERAL_CSTRING("nonexistent-executable"));
|
|
if (NS_WARN_IF(NS_FAILED(rv)))
|
|
return rv;
|
|
|
|
nsCString binaryPath;
|
|
rv = binaryFile->GetNativePath(binaryPath);
|
|
if (NS_WARN_IF(NS_FAILED(rv)))
|
|
return rv;
|
|
|
|
static char const *const argv = { strdup(binaryPath.get()) };
|
|
CommandLine::Init(1, &argv);
|
|
#endif
|
|
}
|
|
|
|
NS_ASSERTION(nsComponentManagerImpl::gComponentManager == nullptr, "CompMgr not null at init");
|
|
|
|
// Create the Component/Service Manager
|
|
nsComponentManagerImpl::gComponentManager = new nsComponentManagerImpl();
|
|
NS_ADDREF(nsComponentManagerImpl::gComponentManager);
|
|
|
|
// Global cycle collector initialization.
|
|
if (!nsCycleCollector_init()) {
|
|
return NS_ERROR_UNEXPECTED;
|
|
}
|
|
|
|
// And start it up for this thread too.
|
|
nsCycleCollector_startup();
|
|
|
|
// Register ICU memory functions. This really shouldn't be necessary: the
|
|
// JS engine should do this on its own inside JS_Init, and memory-reporting
|
|
// code should call a JSAPI function to observe ICU memory usage. But we
|
|
// can't define the alloc/free functions in the JS engine, because it can't
|
|
// depend on the XPCOM-based memory reporting goop. So for now, we have
|
|
// this oddness.
|
|
mozilla::SetICUMemoryFunctions();
|
|
|
|
// Do the same for libogg.
|
|
ogg_set_mem_functions(OggReporter::CountingMalloc,
|
|
OggReporter::CountingCalloc,
|
|
OggReporter::CountingRealloc,
|
|
OggReporter::CountingFree);
|
|
|
|
#if defined(MOZ_VPX) && !defined(MOZ_VPX_NO_MEM_REPORTING)
|
|
// And for VPX.
|
|
vpx_mem_set_functions(VPXReporter::CountingMalloc,
|
|
VPXReporter::CountingCalloc,
|
|
VPXReporter::CountingRealloc,
|
|
VPXReporter::CountingFree,
|
|
memcpy,
|
|
memset,
|
|
memmove);
|
|
#endif
|
|
|
|
#ifdef MOZ_WEBM
|
|
// And for libnestegg.
|
|
nestegg_set_halloc_func(NesteggReporter::CountingRealloc);
|
|
#endif
|
|
|
|
// Initialize the JS engine.
|
|
if (!JS_Init()) {
|
|
NS_RUNTIMEABORT("JS_Init failed");
|
|
}
|
|
|
|
rv = nsComponentManagerImpl::gComponentManager->Init();
|
|
if (NS_FAILED(rv))
|
|
{
|
|
NS_RELEASE(nsComponentManagerImpl::gComponentManager);
|
|
return rv;
|
|
}
|
|
|
|
if (result) {
|
|
NS_ADDREF(*result = nsComponentManagerImpl::gComponentManager);
|
|
}
|
|
|
|
// The iimanager constructor searches and registers XPT files.
|
|
// (We trigger the singleton's lazy construction here to make that happen.)
|
|
(void) XPTInterfaceInfoManager::GetSingleton();
|
|
|
|
// After autoreg, but before we actually instantiate any components,
|
|
// add any services listed in the "xpcom-directory-providers" category
|
|
// to the directory service.
|
|
nsDirectoryService::gService->RegisterCategoryProviders();
|
|
|
|
// Force layout to spin up so that nsContentUtils is available for cx stack
|
|
// munging.
|
|
nsCOMPtr<nsISupports> componentLoader = do_GetService("@mozilla.org/moz/jsloader;1");
|
|
|
|
mozilla::scache::StartupCache::GetSingleton();
|
|
mozilla::AvailableMemoryTracker::Activate();
|
|
|
|
// Notify observers of xpcom autoregistration start
|
|
NS_CreateServicesFromCategory(NS_XPCOM_STARTUP_CATEGORY,
|
|
nullptr,
|
|
NS_XPCOM_STARTUP_OBSERVER_ID);
|
|
#ifdef XP_WIN
|
|
CreateAnonTempFileRemover();
|
|
#endif
|
|
|
|
// We only want the SystemMemoryReporter running in one process, because it
|
|
// profiles the entire system. The main process is the obvious place for
|
|
// it.
|
|
if (XRE_GetProcessType() == GeckoProcessType_Default) {
|
|
mozilla::SystemMemoryReporter::Init();
|
|
}
|
|
|
|
// The memory reporter manager is up and running -- register our reporters.
|
|
RegisterStrongMemoryReporter(new ICUReporter());
|
|
RegisterStrongMemoryReporter(new OggReporter());
|
|
#ifdef MOZ_VPX
|
|
RegisterStrongMemoryReporter(new VPXReporter());
|
|
#endif
|
|
#ifdef MOZ_WEBM
|
|
RegisterStrongMemoryReporter(new NesteggReporter());
|
|
#endif
|
|
|
|
mozilla::Telemetry::Init();
|
|
|
|
mozilla::HangMonitor::Startup();
|
|
mozilla::BackgroundHangMonitor::Startup();
|
|
|
|
const MessageLoop* const loop = MessageLoop::current();
|
|
sMainHangMonitor = new mozilla::BackgroundHangMonitor(
|
|
loop->thread_name().c_str(),
|
|
loop->transient_hang_timeout(),
|
|
loop->permanent_hang_timeout());
|
|
|
|
#ifdef MOZ_VISUAL_EVENT_TRACER
|
|
mozilla::eventtracer::Init();
|
|
#endif
|
|
|
|
// TODO: Cache the GRE dir here instead of telling GeckoChildProcessHost to do it.
|
|
// Then have GeckoChildProcessHost get the dir from XPCOM::GetGREPath().
|
|
mozilla::ipc::GeckoChildProcessHost::CacheGreDir();
|
|
|
|
return NS_OK;
|
|
}
|
|
|
|
|
|
//
|
|
// NS_ShutdownXPCOM()
|
|
//
|
|
// The shutdown sequence for xpcom would be
|
|
//
|
|
// - Notify "xpcom-shutdown" for modules to release primary (root) references
|
|
// - Shutdown XPCOM timers
|
|
// - Notify "xpcom-shutdown-threads" for thread joins
|
|
// - Shutdown the event queues
|
|
// - Release the Global Service Manager
|
|
// - Release all service instances held by the global service manager
|
|
// - Release the Global Service Manager itself
|
|
// - Release the Component Manager
|
|
// - Release all factories cached by the Component Manager
|
|
// - Notify module loaders to shut down
|
|
// - Unload Libraries
|
|
// - Release Contractid Cache held by Component Manager
|
|
// - Release dll abstraction held by Component Manager
|
|
// - Release the Registry held by Component Manager
|
|
// - Finally, release the component manager itself
|
|
//
|
|
EXPORT_XPCOM_API(nsresult)
|
|
NS_ShutdownXPCOM(nsIServiceManager* servMgr)
|
|
{
|
|
return mozilla::ShutdownXPCOM(servMgr);
|
|
}
|
|
|
|
namespace mozilla {
|
|
|
|
void
|
|
SetICUMemoryFunctions()
|
|
{
|
|
static bool sICUReporterInitialized = false;
|
|
if (!sICUReporterInitialized) {
|
|
if (!JS_SetICUMemoryFunctions(ICUReporter::Alloc, ICUReporter::Realloc,
|
|
ICUReporter::Free)) {
|
|
NS_RUNTIMEABORT("JS_SetICUMemoryFunctions failed.");
|
|
}
|
|
sICUReporterInitialized = true;
|
|
}
|
|
}
|
|
|
|
nsresult
|
|
ShutdownXPCOM(nsIServiceManager* servMgr)
|
|
{
|
|
// Make sure the hang monitor is enabled for shutdown.
|
|
HangMonitor::NotifyActivity();
|
|
|
|
if (!NS_IsMainThread()) {
|
|
NS_RUNTIMEABORT("Shutdown on wrong thread");
|
|
}
|
|
|
|
nsresult rv;
|
|
nsCOMPtr<nsISimpleEnumerator> moduleLoaders;
|
|
|
|
// Notify observers of xpcom shutting down
|
|
{
|
|
// Block it so that the COMPtr will get deleted before we hit
|
|
// servicemanager shutdown
|
|
|
|
nsCOMPtr<nsIThread> thread = do_GetCurrentThread();
|
|
if (NS_WARN_IF(!thread))
|
|
return NS_ERROR_UNEXPECTED;
|
|
|
|
nsRefPtr<nsObserverService> observerService;
|
|
CallGetService("@mozilla.org/observer-service;1",
|
|
(nsObserverService**) getter_AddRefs(observerService));
|
|
|
|
if (observerService)
|
|
{
|
|
(void) observerService->
|
|
NotifyObservers(nullptr, NS_XPCOM_WILL_SHUTDOWN_OBSERVER_ID,
|
|
nullptr);
|
|
|
|
nsCOMPtr<nsIServiceManager> mgr;
|
|
rv = NS_GetServiceManager(getter_AddRefs(mgr));
|
|
if (NS_SUCCEEDED(rv))
|
|
{
|
|
(void) observerService->
|
|
NotifyObservers(mgr, NS_XPCOM_SHUTDOWN_OBSERVER_ID,
|
|
nullptr);
|
|
}
|
|
}
|
|
|
|
// This must happen after the shutdown of media and widgets, which
|
|
// are triggered by the NS_XPCOM_SHUTDOWN_OBSERVER_ID notification.
|
|
layers::ImageBridgeChild::ShutDown();
|
|
#ifdef MOZ_WIDGET_GONK
|
|
layers::SharedBufferManagerChild::ShutDown();
|
|
#endif
|
|
|
|
NS_ProcessPendingEvents(thread);
|
|
mozilla::scache::StartupCache::DeleteSingleton();
|
|
if (observerService)
|
|
(void) observerService->
|
|
NotifyObservers(nullptr, NS_XPCOM_SHUTDOWN_THREADS_OBSERVER_ID,
|
|
nullptr);
|
|
|
|
layers::CompositorParent::ShutDown();
|
|
|
|
gXPCOMThreadsShutDown = true;
|
|
NS_ProcessPendingEvents(thread);
|
|
|
|
// Shutdown the timer thread and all timers that might still be alive before
|
|
// shutting down the component manager
|
|
nsTimerImpl::Shutdown();
|
|
|
|
NS_ProcessPendingEvents(thread);
|
|
|
|
// Shutdown all remaining threads. This method does not return until
|
|
// all threads created using the thread manager (with the exception of
|
|
// the main thread) have exited.
|
|
nsThreadManager::get()->Shutdown();
|
|
|
|
NS_ProcessPendingEvents(thread);
|
|
|
|
HangMonitor::NotifyActivity();
|
|
|
|
// Late-write checks needs to find the profile directory, so it has to
|
|
// be initialized before mozilla::services::Shutdown or (because of
|
|
// xpcshell tests replacing the service) modules being unloaded.
|
|
mozilla::InitLateWriteChecks();
|
|
|
|
// We save the "xpcom-shutdown-loaders" observers to notify after
|
|
// the observerservice is gone.
|
|
if (observerService) {
|
|
observerService->
|
|
EnumerateObservers(NS_XPCOM_SHUTDOWN_LOADERS_OBSERVER_ID,
|
|
getter_AddRefs(moduleLoaders));
|
|
|
|
observerService->Shutdown();
|
|
}
|
|
}
|
|
|
|
// Free ClearOnShutdown()'ed smart pointers. This needs to happen *after*
|
|
// we've finished notifying observers of XPCOM shutdown, because shutdown
|
|
// observers themselves might call ClearOnShutdown().
|
|
mozilla::KillClearOnShutdown();
|
|
|
|
// XPCOM is officially in shutdown mode NOW
|
|
// Set this only after the observers have been notified as this
|
|
// will cause servicemanager to become inaccessible.
|
|
mozilla::services::Shutdown();
|
|
|
|
#ifdef DEBUG_dougt
|
|
fprintf(stderr, "* * * * XPCOM shutdown. Access will be denied * * * * \n");
|
|
#endif
|
|
// We may have AddRef'd for the caller of NS_InitXPCOM, so release it
|
|
// here again:
|
|
NS_IF_RELEASE(servMgr);
|
|
|
|
// Shutdown global servicemanager
|
|
if (nsComponentManagerImpl::gComponentManager) {
|
|
nsComponentManagerImpl::gComponentManager->FreeServices();
|
|
}
|
|
|
|
// Release the directory service
|
|
NS_IF_RELEASE(nsDirectoryService::gService);
|
|
|
|
if (moduleLoaders) {
|
|
bool more;
|
|
nsCOMPtr<nsISupports> el;
|
|
while (NS_SUCCEEDED(moduleLoaders->HasMoreElements(&more)) &&
|
|
more) {
|
|
moduleLoaders->GetNext(getter_AddRefs(el));
|
|
|
|
// Don't worry about weak-reference observers here: there is
|
|
// no reason for weak-ref observers to register for
|
|
// xpcom-shutdown-loaders
|
|
|
|
// FIXME: This can cause harmless writes from sqlite committing
|
|
// log files. We have to ignore them before we can move
|
|
// the mozilla::PoisonWrite call before this point. See bug
|
|
// 834945 for the details.
|
|
nsCOMPtr<nsIObserver> obs(do_QueryInterface(el));
|
|
if (obs)
|
|
(void) obs->Observe(nullptr,
|
|
NS_XPCOM_SHUTDOWN_LOADERS_OBSERVER_ID,
|
|
nullptr);
|
|
}
|
|
|
|
moduleLoaders = nullptr;
|
|
}
|
|
|
|
nsCycleCollector_shutdown();
|
|
|
|
layers::AsyncTransactionTrackersHolder::Finalize();
|
|
|
|
PROFILER_MARKER("Shutdown xpcom");
|
|
// If we are doing any shutdown checks, poison writes.
|
|
if (gShutdownChecks != SCM_NOTHING) {
|
|
#ifdef XP_MACOSX
|
|
mozilla::OnlyReportDirtyWrites();
|
|
#endif /* XP_MACOSX */
|
|
mozilla::BeginLateWriteChecks();
|
|
}
|
|
|
|
// Shutdown nsLocalFile string conversion
|
|
NS_ShutdownLocalFile();
|
|
#ifdef XP_UNIX
|
|
NS_ShutdownNativeCharsetUtils();
|
|
#endif
|
|
|
|
// Shutdown xpcom. This will release all loaders and cause others holding
|
|
// a refcount to the component manager to release it.
|
|
if (nsComponentManagerImpl::gComponentManager) {
|
|
rv = (nsComponentManagerImpl::gComponentManager)->Shutdown();
|
|
NS_ASSERTION(NS_SUCCEEDED(rv), "Component Manager shutdown failed.");
|
|
} else {
|
|
NS_WARNING("Component Manager was never created ...");
|
|
}
|
|
|
|
#ifdef MOZ_ENABLE_PROFILER_SPS
|
|
// In optimized builds we don't do shutdown collections by default, so
|
|
// uncollected (garbage) objects may keep the nsXPConnect singleton alive,
|
|
// and its XPCJSRuntime along with it. However, we still destroy various
|
|
// bits of state in JS_ShutDown(), so we need to make sure the profiler
|
|
// can't access them when it shuts down. This call nulls out the
|
|
// JS pseudo-stack's internal reference to the main thread JSRuntime,
|
|
// duplicating the call in XPCJSRuntime::~XPCJSRuntime() in case that
|
|
// never fired.
|
|
if (PseudoStack *stack = mozilla_get_pseudo_stack()) {
|
|
stack->sampleRuntime(nullptr);
|
|
}
|
|
#endif
|
|
|
|
// Shut down the JS engine.
|
|
JS_ShutDown();
|
|
|
|
// Release our own singletons
|
|
// Do this _after_ shutting down the component manager, because the
|
|
// JS component loader will use XPConnect to call nsIModule::canUnload,
|
|
// and that will spin up the InterfaceInfoManager again -- bad mojo
|
|
XPTInterfaceInfoManager::FreeInterfaceInfoManager();
|
|
|
|
// Finally, release the component manager last because it unloads the
|
|
// libraries:
|
|
if (nsComponentManagerImpl::gComponentManager) {
|
|
nsrefcnt cnt;
|
|
NS_RELEASE2(nsComponentManagerImpl::gComponentManager, cnt);
|
|
NS_ASSERTION(cnt == 0, "Component Manager being held past XPCOM shutdown.");
|
|
}
|
|
nsComponentManagerImpl::gComponentManager = nullptr;
|
|
nsCategoryManager::Destroy();
|
|
|
|
NS_PurgeAtomTable();
|
|
|
|
NS_IF_RELEASE(gDebug);
|
|
|
|
if (sIOThread) {
|
|
delete sIOThread;
|
|
sIOThread = nullptr;
|
|
}
|
|
if (sMessageLoop) {
|
|
delete sMessageLoop;
|
|
sMessageLoop = nullptr;
|
|
}
|
|
if (sCommandLineWasInitialized) {
|
|
CommandLine::Terminate();
|
|
sCommandLineWasInitialized = false;
|
|
}
|
|
if (sExitManager) {
|
|
delete sExitManager;
|
|
sExitManager = nullptr;
|
|
}
|
|
|
|
Omnijar::CleanUp();
|
|
|
|
HangMonitor::Shutdown();
|
|
|
|
if (sMainHangMonitor) {
|
|
delete sMainHangMonitor;
|
|
sMainHangMonitor = nullptr;
|
|
}
|
|
BackgroundHangMonitor::Shutdown();
|
|
|
|
#ifdef MOZ_VISUAL_EVENT_TRACER
|
|
eventtracer::Shutdown();
|
|
#endif
|
|
|
|
profiler_shutdown();
|
|
|
|
NS_LogTerm();
|
|
|
|
return NS_OK;
|
|
}
|
|
|
|
} // namespace mozilla
|