mirror of
https://gitlab.winehq.org/wine/wine-gecko.git
synced 2024-09-13 09:24:08 -07:00
708 lines
22 KiB
C++
708 lines
22 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/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 "nsStaticComponents.h"
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#include "prlink.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 "nsTraceRefcntImpl.h"
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#include "nsErrorService.h"
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#include "nsByteBuffer.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 "nsExceptionService.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 "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) || defined(XP_OS2)
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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 "nsTraceRefcnt.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 "nsMessageLoop.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 "nsChromeRegistry.h"
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#include "nsChromeProtocolHandler.h"
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#include "mozilla/mozPoisonWrite.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/MapsMemoryReporter.h"
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#include "mozilla/AvailableMemoryTracker.h"
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#include "mozilla/ClearOnShutdown.h"
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#include "mozilla/VisualEventTracer.h"
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#include "sampler.h"
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using base::AtExitManager;
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using mozilla::ipc::BrowserProcessSubThread;
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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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} /* 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(nsExceptionService)
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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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NS_GENERIC_FACTORY_CONSTRUCTOR(nsVariant)
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NS_GENERIC_FACTORY_CONSTRUCTOR_INIT(nsHashPropertyBag, Init)
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NS_GENERIC_AGGREGATED_CONSTRUCTOR_INIT(nsProperties, Init)
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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(nsIOUtil)
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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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NS_ENSURE_TRUE(!outer, 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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NS_ENSURE_TRUE(!outer, NS_ERROR_NO_AGGREGATION);
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nsCOMPtr<nsIInterfaceInfoManager> iim
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(xptiInterfaceInfoManager::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 = NULL;
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bool gXPCOMShuttingDown = 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_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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nsIFactory* f = new nsINIParserFactory();
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f->AddRef();
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return f;
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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 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, NULL, Ctor },
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const mozilla::Module::CIDEntry kXPCOMCIDEntries[] = {
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{ &kComponentManagerCID, true, NULL, 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, NULL, nsChromeRegistryConstructor },
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{ &kNS_CHROMEPROTOCOLHANDLER_CID, false, NULL, nsChromeProtocolHandlerConstructor },
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{ NULL }
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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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{ NULL }
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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_GetTraceRefcnt(nsITraceRefcnt** result)
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{
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return nsTraceRefcntImpl::Create(nullptr,
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NS_GET_IID(nsITraceRefcnt),
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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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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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SAMPLER_INIT();
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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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NS_LogInit();
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// Set up chromium libs
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NS_ASSERTION(!sExitManager && !sMessageLoop, "Bad logic!");
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if (!AtExitManager::AlreadyRegistered()) {
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sExitManager = new AtExitManager();
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NS_ENSURE_STATE(sExitManager);
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}
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if (!MessageLoop::current()) {
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sMessageLoop = new MessageLoopForUI(MessageLoop::TYPE_MOZILLA_UI);
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NS_ENSURE_STATE(sMessageLoop);
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}
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if (XRE_GetProcessType() == GeckoProcessType_Default &&
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!BrowserProcessSubThread::GetMessageLoop(BrowserProcessSubThread::IO)) {
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scoped_ptr<BrowserProcessSubThread> ioThread(
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new BrowserProcessSubThread(BrowserProcessSubThread::IO));
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NS_ENSURE_TRUE(ioThread.get(), NS_ERROR_OUT_OF_MEMORY);
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base::Thread::Options options;
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options.message_loop_type = MessageLoop::TYPE_IO;
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NS_ENSURE_TRUE(ioThread->StartWithOptions(options), NS_ERROR_FAILURE);
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sIOThread = ioThread.release();
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}
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// Establish the main thread here.
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rv = nsThreadManager::get()->Init();
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if (NS_FAILED(rv)) return rv;
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// Set up the timer globals/timer thread
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rv = nsTimerImpl::Startup();
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NS_ENSURE_SUCCESS(rv, rv);
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#ifndef ANDROID
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// If the locale hasn't already been setup by our embedder,
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// get us out of the "C" locale and into the system
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if (strcmp(setlocale(LC_ALL, NULL), "C") == 0)
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setlocale(LC_ALL, "");
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#endif
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#if defined(XP_UNIX) || defined(XP_OS2)
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NS_StartupNativeCharsetUtils();
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#endif
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NS_StartupLocalFile();
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StartupSpecialSystemDirectory();
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nsDirectoryService::RealInit();
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bool value;
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if (binDirectory)
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{
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rv = binDirectory->IsDirectory(&value);
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if (NS_SUCCEEDED(rv) && value) {
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nsDirectoryService::gService->Set(NS_XPCOM_INIT_CURRENT_PROCESS_DIR, binDirectory);
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}
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}
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if (appFileLocationProvider) {
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rv = nsDirectoryService::gService->RegisterProvider(appFileLocationProvider);
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if (NS_FAILED(rv)) return rv;
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}
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nsCOMPtr<nsIFile> xpcomLib;
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nsDirectoryService::gService->Get(NS_GRE_DIR,
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NS_GET_IID(nsIFile),
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getter_AddRefs(xpcomLib));
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if (xpcomLib) {
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xpcomLib->AppendNative(nsDependentCString(XPCOM_DLL));
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nsDirectoryService::gService->Set(NS_XPCOM_LIBRARY_FILE, xpcomLib);
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}
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if (!mozilla::Omnijar::IsInitialized()) {
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mozilla::Omnijar::Init();
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}
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if ((sCommandLineWasInitialized = !CommandLine::IsInitialized())) {
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#ifdef OS_WIN
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CommandLine::Init(0, nullptr);
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#else
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nsCOMPtr<nsIFile> binaryFile;
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nsDirectoryService::gService->Get(NS_XPCOM_CURRENT_PROCESS_DIR,
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NS_GET_IID(nsIFile),
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getter_AddRefs(binaryFile));
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NS_ENSURE_STATE(binaryFile);
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rv = binaryFile->AppendNative(NS_LITERAL_CSTRING("nonexistent-executable"));
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NS_ENSURE_SUCCESS(rv, rv);
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nsCString binaryPath;
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rv = binaryFile->GetNativePath(binaryPath);
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NS_ENSURE_SUCCESS(rv, rv);
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static char const *const argv = { strdup(binaryPath.get()) };
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CommandLine::Init(1, &argv);
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#endif
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}
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NS_ASSERTION(nsComponentManagerImpl::gComponentManager == NULL, "CompMgr not null at init");
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// Create the Component/Service Manager
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nsComponentManagerImpl::gComponentManager = new nsComponentManagerImpl();
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NS_ADDREF(nsComponentManagerImpl::gComponentManager);
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rv = nsCycleCollector_startup();
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if (NS_FAILED(rv)) return rv;
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rv = nsComponentManagerImpl::gComponentManager->Init();
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if (NS_FAILED(rv))
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{
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NS_RELEASE(nsComponentManagerImpl::gComponentManager);
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return rv;
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}
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if (result) {
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NS_ADDREF(*result = nsComponentManagerImpl::gComponentManager);
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}
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// The iimanager constructor searches and registers XPT files.
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// (We trigger the singleton's lazy construction here to make that happen.)
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(void) xptiInterfaceInfoManager::GetSingleton();
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// After autoreg, but before we actually instantiate any components,
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// add any services listed in the "xpcom-directory-providers" category
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// to the directory service.
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nsDirectoryService::gService->RegisterCategoryProviders();
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mozilla::scache::StartupCache::GetSingleton();
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mozilla::AvailableMemoryTracker::Activate();
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// Notify observers of xpcom autoregistration start
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NS_CreateServicesFromCategory(NS_XPCOM_STARTUP_CATEGORY,
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nullptr,
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NS_XPCOM_STARTUP_OBSERVER_ID);
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#ifdef XP_WIN
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CreateAnonTempFileRemover();
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#endif
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mozilla::MapsMemoryReporter::Init();
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mozilla::Telemetry::Init();
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mozilla::HangMonitor::Startup();
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mozilla::eventtracer::Init();
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return NS_OK;
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}
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//
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// NS_ShutdownXPCOM()
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//
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// 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 {
|
|
|
|
nsresult
|
|
ShutdownXPCOM(nsIServiceManager* servMgr)
|
|
{
|
|
// Make sure the hang monitor is enabled for shutdown.
|
|
HangMonitor::NotifyActivity();
|
|
|
|
NS_ENSURE_STATE(NS_IsMainThread());
|
|
|
|
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();
|
|
NS_ENSURE_STATE(thread);
|
|
|
|
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);
|
|
}
|
|
}
|
|
|
|
NS_ProcessPendingEvents(thread);
|
|
mozilla::scache::StartupCache::DeleteSingleton();
|
|
if (observerService)
|
|
(void) observerService->
|
|
NotifyObservers(nullptr, NS_XPCOM_SHUTDOWN_THREADS_OBSERVER_ID,
|
|
nullptr);
|
|
|
|
nsCycleCollector_shutdownThreads();
|
|
|
|
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();
|
|
|
|
// 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);
|
|
|
|
SAMPLE_MARKER("Shutdown xpcom");
|
|
mozilla::PoisonWrite();
|
|
|
|
nsCycleCollector_shutdown();
|
|
|
|
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
|
|
|
|
nsCOMPtr<nsIObserver> obs(do_QueryInterface(el));
|
|
if (obs)
|
|
(void) obs->Observe(nullptr,
|
|
NS_XPCOM_SHUTDOWN_LOADERS_OBSERVER_ID,
|
|
nullptr);
|
|
}
|
|
|
|
moduleLoaders = nullptr;
|
|
}
|
|
|
|
// 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 ...");
|
|
|
|
// 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
|
|
xptiInterfaceInfoManager::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();
|
|
|
|
eventtracer::Shutdown();
|
|
|
|
NS_LogTerm();
|
|
|
|
return NS_OK;
|
|
}
|
|
|
|
} // namespace mozilla
|