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gecko/xpcom/build/nsXPComInit.cpp

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/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
/* vim:set ts=4 sw=4 sts=4 ci et: */
/* ***** BEGIN LICENSE BLOCK *****
* Version: MPL 1.1/GPL 2.0/LGPL 2.1
*
* The contents of this file are subject to the Mozilla Public License Version
* 1.1 (the "License"); you may not use this file except in compliance with
* the License. You may obtain a copy of the License at
* http://www.mozilla.org/MPL/
*
* Software distributed under the License is distributed on an "AS IS" basis,
* WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
* for the specific language governing rights and limitations under the
* License.
*
* The Original Code is mozilla.org code.
*
* The Initial Developer of the Original Code is
* Netscape Communications Corporation.
* Portions created by the Initial Developer are Copyright (C) 1998
* the Initial Developer. All Rights Reserved.
*
* Contributor(s):
* Benjamin Smedberg <benjamin@smedbergs.us>
*
* Alternatively, the contents of this file may be used under the terms of
* either of the GNU General Public License Version 2 or later (the "GPL"),
* or the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
* in which case the provisions of the GPL or the LGPL are applicable instead
* of those above. If you wish to allow use of your version of this file only
* under the terms of either the GPL or the LGPL, and not to allow others to
* use your version of this file under the terms of the MPL, indicate your
* decision by deleting the provisions above and replace them with the notice
* and other provisions required by the GPL or the LGPL. If you do not delete
* the provisions above, a recipient may use your version of this file under
* the terms of any one of the MPL, the GPL or the LGPL.
*
* ***** END LICENSE BLOCK ***** */
#include "mozilla/XPCOM.h"
#include "nsXPCOMPrivate.h"
#include "nsXPCOMCIDInternal.h"
#include "nsStaticComponents.h"
#include "prlink.h"
#include "nsObserverList.h"
#include "nsObserverService.h"
#include "nsProperties.h"
#include "nsPersistentProperties.h"
#include "nsScriptableInputStream.h"
#include "nsBinaryStream.h"
#include "nsStorageStream.h"
#include "nsPipe.h"
#include "nsMemoryImpl.h"
#include "nsDebugImpl.h"
#include "nsTraceRefcntImpl.h"
#include "nsErrorService.h"
#include "nsByteBuffer.h"
#include "nsSupportsArray.h"
#include "nsArray.h"
#include "nsINIParserImpl.h"
#include "nsSupportsPrimitives.h"
#include "nsConsoleService.h"
#include "nsExceptionService.h"
#include "nsComponentManager.h"
#include "nsCategoryManagerUtils.h"
#include "nsIServiceManager.h"
#include "nsGenericFactory.h"
#include "nsThreadManager.h"
#include "nsThreadPool.h"
#ifdef DEBUG
#include "BlockingResourceBase.h"
#endif // ifdef DEBUG
#include "nsIProxyObjectManager.h"
#include "nsProxyEventPrivate.h" // access to the impl of nsProxyObjectManager for the generic factory registration.
#include "xptinfo.h"
#include "nsIInterfaceInfoManager.h"
#include "xptiprivate.h"
#include "nsTimerImpl.h"
#include "TimerThread.h"
#include "nsThread.h"
#include "nsProcess.h"
#include "nsEnvironment.h"
#include "nsVersionComparatorImpl.h"
#include "nsILocalFile.h"
#include "nsLocalFile.h"
#if defined(XP_UNIX) || defined(XP_OS2)
#include "nsNativeCharsetUtils.h"
#endif
#include "nsDirectoryService.h"
#include "nsDirectoryServiceDefs.h"
#include "nsCategoryManager.h"
#include "nsICategoryManager.h"
#include "nsMultiplexInputStream.h"
#include "nsStringStream.h"
extern NS_METHOD nsStringInputStreamConstructor(nsISupports *, REFNSIID, void **);
NS_DECL_CLASSINFO(nsStringInputStream)
#include "nsFastLoadService.h"
#include "nsAtomService.h"
#include "nsAtomTable.h"
#include "nsTraceRefcnt.h"
#include "nsTimelineService.h"
#include "nsHashPropertyBag.h"
#include "nsUnicharInputStream.h"
#include "nsVariant.h"
#include "nsUUIDGenerator.h"
#include "nsIOUtil.h"
#ifdef GC_LEAK_DETECTOR
#include "nsLeakDetector.h"
#endif
#include "nsRecyclingAllocator.h"
#include "SpecialSystemDirectory.h"
#if defined(XP_WIN)
#include "nsWindowsRegKey.h"
#endif
#ifdef XP_MACOSX
#include "nsMacUtilsImpl.h"
#endif
#include "nsSystemInfo.h"
#include "nsMemoryReporterManager.h"
#include <locale.h>
using mozilla::TimeStamp;
// Registry Factory creation function defined in nsRegistry.cpp
// We hook into this function locally to create and register the registry
// Since noone outside xpcom needs to know about this and nsRegistry.cpp
// does not have a local include file, we are putting this definition
// here rather than in nsIRegistry.h
extern nsresult NS_RegistryGetFactory(nsIFactory** aFactory);
extern nsresult NS_CategoryManagerGetFactory( nsIFactory** );
#ifdef DEBUG
extern void _FreeAutoLockStatics();
#endif
static NS_DEFINE_CID(kComponentManagerCID, NS_COMPONENTMANAGER_CID);
static NS_DEFINE_CID(kMemoryCID, NS_MEMORY_CID);
static NS_DEFINE_CID(kINIParserFactoryCID, NS_INIPARSERFACTORY_CID);
static NS_DEFINE_CID(kSimpleUnicharStreamFactoryCID, NS_SIMPLE_UNICHAR_STREAM_FACTORY_CID);
NS_GENERIC_FACTORY_CONSTRUCTOR(nsProcess)
#define NS_ENVIRONMENT_CLASSNAME "Environment Service"
// ds/nsISupportsPrimitives
#define NS_SUPPORTS_ID_CLASSNAME "Supports ID"
#define NS_SUPPORTS_CSTRING_CLASSNAME "Supports String"
#define NS_SUPPORTS_STRING_CLASSNAME "Supports WString"
#define NS_SUPPORTS_PRBOOL_CLASSNAME "Supports PRBool"
#define NS_SUPPORTS_PRUINT8_CLASSNAME "Supports PRUint8"
#define NS_SUPPORTS_PRUINT16_CLASSNAME "Supports PRUint16"
#define NS_SUPPORTS_PRUINT32_CLASSNAME "Supports PRUint32"
#define NS_SUPPORTS_PRUINT64_CLASSNAME "Supports PRUint64"
#define NS_SUPPORTS_PRTIME_CLASSNAME "Supports PRTime"
#define NS_SUPPORTS_CHAR_CLASSNAME "Supports Char"
#define NS_SUPPORTS_PRINT16_CLASSNAME "Supports PRInt16"
#define NS_SUPPORTS_PRINT32_CLASSNAME "Supports PRInt32"
#define NS_SUPPORTS_PRINT64_CLASSNAME "Supports PRInt64"
#define NS_SUPPORTS_FLOAT_CLASSNAME "Supports float"
#define NS_SUPPORTS_DOUBLE_CLASSNAME "Supports double"
#define NS_SUPPORTS_VOID_CLASSNAME "Supports void"
#define NS_SUPPORTS_INTERFACE_POINTER_CLASSNAME "Supports interface pointer"
NS_GENERIC_FACTORY_CONSTRUCTOR(nsSupportsIDImpl)
NS_GENERIC_FACTORY_CONSTRUCTOR(nsSupportsStringImpl)
NS_GENERIC_FACTORY_CONSTRUCTOR(nsSupportsCStringImpl)
NS_GENERIC_FACTORY_CONSTRUCTOR(nsSupportsPRBoolImpl)
NS_GENERIC_FACTORY_CONSTRUCTOR(nsSupportsPRUint8Impl)
NS_GENERIC_FACTORY_CONSTRUCTOR(nsSupportsPRUint16Impl)
NS_GENERIC_FACTORY_CONSTRUCTOR(nsSupportsPRUint32Impl)
NS_GENERIC_FACTORY_CONSTRUCTOR(nsSupportsPRUint64Impl)
NS_GENERIC_FACTORY_CONSTRUCTOR(nsSupportsPRTimeImpl)
NS_GENERIC_FACTORY_CONSTRUCTOR(nsSupportsCharImpl)
NS_GENERIC_FACTORY_CONSTRUCTOR(nsSupportsPRInt16Impl)
NS_GENERIC_FACTORY_CONSTRUCTOR(nsSupportsPRInt32Impl)
NS_GENERIC_FACTORY_CONSTRUCTOR(nsSupportsPRInt64Impl)
NS_GENERIC_FACTORY_CONSTRUCTOR(nsSupportsFloatImpl)
NS_GENERIC_FACTORY_CONSTRUCTOR(nsSupportsDoubleImpl)
NS_GENERIC_FACTORY_CONSTRUCTOR(nsSupportsVoidImpl)
NS_GENERIC_FACTORY_CONSTRUCTOR(nsSupportsInterfacePointerImpl)
NS_GENERIC_FACTORY_CONSTRUCTOR_INIT(nsConsoleService, Init)
NS_DECL_CLASSINFO(nsConsoleService)
NS_GENERIC_FACTORY_CONSTRUCTOR(nsAtomService)
NS_GENERIC_FACTORY_CONSTRUCTOR(nsExceptionService)
NS_GENERIC_FACTORY_CONSTRUCTOR(nsTimerImpl)
NS_GENERIC_FACTORY_CONSTRUCTOR(nsBinaryOutputStream)
NS_GENERIC_FACTORY_CONSTRUCTOR(nsBinaryInputStream)
NS_GENERIC_FACTORY_CONSTRUCTOR(nsStorageStream)
NS_GENERIC_FACTORY_CONSTRUCTOR(nsVersionComparatorImpl)
NS_GENERIC_FACTORY_CONSTRUCTOR(nsVariant)
NS_GENERIC_FACTORY_CONSTRUCTOR(nsRecyclingAllocatorImpl)
#ifdef MOZ_TIMELINE
NS_GENERIC_FACTORY_CONSTRUCTOR(nsTimelineService)
#endif
NS_GENERIC_FACTORY_CONSTRUCTOR_INIT(nsHashPropertyBag, Init)
NS_GENERIC_AGGREGATED_CONSTRUCTOR_INIT(nsProperties, Init)
NS_GENERIC_FACTORY_CONSTRUCTOR_INIT(nsUUIDGenerator, Init)
#ifdef XP_MACOSX
NS_GENERIC_FACTORY_CONSTRUCTOR(nsMacUtilsImpl)
#endif
NS_GENERIC_FACTORY_CONSTRUCTOR_INIT(nsSystemInfo, Init)
NS_GENERIC_FACTORY_CONSTRUCTOR(nsMemoryReporterManager)
NS_GENERIC_FACTORY_CONSTRUCTOR(nsIOUtil)
static NS_METHOD
nsThreadManagerGetSingleton(nsISupports* outer,
const nsIID& aIID,
void* *aInstancePtr)
{
NS_ASSERTION(aInstancePtr, "null outptr");
NS_ENSURE_TRUE(!outer, NS_ERROR_NO_AGGREGATION);
return nsThreadManager::get()->QueryInterface(aIID, aInstancePtr);
}
NS_DECL_CLASSINFO(nsThreadManager)
NS_GENERIC_FACTORY_CONSTRUCTOR(nsThreadPool)
NS_DECL_CLASSINFO(nsThreadPool)
static NS_METHOD
nsXPTIInterfaceInfoManagerGetSingleton(nsISupports* outer,
const nsIID& aIID,
void* *aInstancePtr)
{
NS_ASSERTION(aInstancePtr, "null outptr");
NS_ENSURE_TRUE(!outer, NS_ERROR_NO_AGGREGATION);
nsCOMPtr<nsIInterfaceInfoManager> iim
(xptiInterfaceInfoManager::GetInterfaceInfoManagerNoAddRef());
if (!iim)
return NS_ERROR_FAILURE;
return iim->QueryInterface(aIID, aInstancePtr);
}
static nsresult
RegisterGenericFactory(nsIComponentRegistrar* registrar,
const nsModuleComponentInfo *info)
{
nsresult rv;
nsIGenericFactory* fact;
rv = NS_NewGenericFactory(&fact, info);
if (NS_FAILED(rv)) return rv;
rv = registrar->RegisterFactory(info->mCID,
info->mDescription,
info->mContractID,
fact);
NS_RELEASE(fact);
return rv;
}
// In order to support the installer, we need
// to be told out of band if we should cause
// an autoregister. If the file ".autoreg" exists in the binary
// directory, we check its timestamp against the timestamp of the
// compreg.dat file. If the .autoreg file is newer, we autoregister.
static PRBool CheckUpdateFile()
{
nsresult rv;
nsCOMPtr<nsIFile> compregFile;
rv = nsDirectoryService::gService->Get(NS_XPCOM_COMPONENT_REGISTRY_FILE,
NS_GET_IID(nsIFile),
getter_AddRefs(compregFile));
if (NS_FAILED(rv)) {
NS_WARNING("Getting NS_XPCOM_COMPONENT_REGISTRY_FILE failed");
return PR_FALSE;
}
PRInt64 compregModTime;
rv = compregFile->GetLastModifiedTime(&compregModTime);
if (NS_FAILED(rv))
return PR_TRUE;
nsCOMPtr<nsIFile> file;
rv = nsDirectoryService::gService->Get(NS_XPCOM_CURRENT_PROCESS_DIR,
NS_GET_IID(nsIFile),
getter_AddRefs(file));
if (NS_FAILED(rv)) {
NS_WARNING("Getting NS_XPCOM_CURRENT_PROCESS_DIR failed");
return PR_FALSE;
}
file->AppendNative(nsDependentCString(".autoreg"));
// superfluous cast
PRInt64 nowTime = PR_Now() / PR_USEC_PER_MSEC;
PRInt64 autoregModTime;
rv = file->GetLastModifiedTime(&autoregModTime);
if (NS_FAILED(rv))
goto next;
if (autoregModTime > compregModTime) {
if (autoregModTime < nowTime) {
return PR_TRUE;
} else {
NS_WARNING("Screwy timestamps, ignoring .autoreg");
}
}
next:
nsCOMPtr<nsIFile> greFile;
rv = nsDirectoryService::gService->Get(NS_GRE_DIR,
NS_GET_IID(nsIFile),
getter_AddRefs(greFile));
if (NS_FAILED(rv)) {
NS_WARNING("Getting NS_GRE_DIR failed");
return PR_FALSE;
}
greFile->AppendNative(nsDependentCString(".autoreg"));
PRBool equals;
rv = greFile->Equals(file, &equals);
if (NS_SUCCEEDED(rv) && equals)
return PR_FALSE;
rv = greFile->GetLastModifiedTime(&autoregModTime);
if (NS_FAILED(rv))
return PR_FALSE;
if (autoregModTime > nowTime) {
NS_WARNING("Screwy timestamps, ignoring .autoreg");
return PR_FALSE;
}
return autoregModTime > compregModTime;
}
nsComponentManagerImpl* nsComponentManagerImpl::gComponentManager = NULL;
PRBool gXPCOMShuttingDown = PR_FALSE;
// For each class that wishes to support nsIClassInfo, add a line like this
// NS_DECL_CLASSINFO(nsMyClass)
#define COMPONENT(NAME, Ctor) \
{ NS_##NAME##_CLASSNAME, NS_##NAME##_CID, NS_##NAME##_CONTRACTID, Ctor }
#define COMPONENT_CI(NAME, Ctor, Class) \
{ NS_##NAME##_CLASSNAME, NS_##NAME##_CID, NS_##NAME##_CONTRACTID, Ctor, \
NULL, NULL, NULL, NS_CI_INTERFACE_GETTER_NAME(Class), NULL, \
&NS_CLASSINFO_NAME(Class) }
#define COMPONENT_CI_FLAGS(NAME, Ctor, Class, Flags) \
{ NS_##NAME##_CLASSNAME, NS_##NAME##_CID, NS_##NAME##_CONTRACTID, Ctor, \
NULL, NULL, NULL, NS_CI_INTERFACE_GETTER_NAME(Class), NULL, \
&NS_CLASSINFO_NAME(Class), Flags }
static const nsModuleComponentInfo components[] = {
COMPONENT(MEMORY, nsMemoryImpl::Create),
COMPONENT(DEBUG, nsDebugImpl::Create),
#define NS_ERRORSERVICE_CLASSNAME NS_ERRORSERVICE_NAME
COMPONENT(ERRORSERVICE, nsErrorService::Create),
COMPONENT(BYTEBUFFER, ByteBufferImpl::Create),
COMPONENT(SCRIPTABLEINPUTSTREAM, nsScriptableInputStream::Create),
COMPONENT(BINARYINPUTSTREAM, nsBinaryInputStreamConstructor),
COMPONENT(BINARYOUTPUTSTREAM, nsBinaryOutputStreamConstructor),
COMPONENT(STORAGESTREAM, nsStorageStreamConstructor),
COMPONENT(VERSIONCOMPARATOR, nsVersionComparatorImplConstructor),
COMPONENT(PIPE, nsPipeConstructor),
#define NS_PROPERTIES_CLASSNAME "Properties"
COMPONENT(PROPERTIES, nsPropertiesConstructor),
#define NS_PERSISTENTPROPERTIES_CID NS_IPERSISTENTPROPERTIES_CID /* sigh */
COMPONENT(PERSISTENTPROPERTIES, nsPersistentProperties::Create),
COMPONENT(SUPPORTSARRAY, nsSupportsArray::Create),
COMPONENT(ARRAY, nsArrayConstructor),
COMPONENT_CI_FLAGS(CONSOLESERVICE, nsConsoleServiceConstructor,
nsConsoleService,
nsIClassInfo::THREADSAFE | nsIClassInfo::SINGLETON),
COMPONENT(EXCEPTIONSERVICE, nsExceptionServiceConstructor),
COMPONENT(ATOMSERVICE, nsAtomServiceConstructor),
#ifdef MOZ_TIMELINE
COMPONENT(TIMELINESERVICE, nsTimelineServiceConstructor),
#endif
COMPONENT(OBSERVERSERVICE, nsObserverService::Create),
COMPONENT(GENERICFACTORY, nsGenericFactory::Create),
#define NS_XPCOMPROXY_CID NS_PROXYEVENT_MANAGER_CID
COMPONENT(XPCOMPROXY, nsProxyObjectManager::Create),
COMPONENT(TIMER, nsTimerImplConstructor),
#define COMPONENT_SUPPORTS(TYPE, Type) \
COMPONENT(SUPPORTS_##TYPE, nsSupports##Type##ImplConstructor)
COMPONENT_SUPPORTS(ID, ID),
COMPONENT_SUPPORTS(STRING, String),
COMPONENT_SUPPORTS(CSTRING, CString),
COMPONENT_SUPPORTS(PRBOOL, PRBool),
COMPONENT_SUPPORTS(PRUINT8, PRUint8),
COMPONENT_SUPPORTS(PRUINT16, PRUint16),
COMPONENT_SUPPORTS(PRUINT32, PRUint32),
COMPONENT_SUPPORTS(PRUINT64, PRUint64),
COMPONENT_SUPPORTS(PRTIME, PRTime),
COMPONENT_SUPPORTS(CHAR, Char),
COMPONENT_SUPPORTS(PRINT16, PRInt16),
COMPONENT_SUPPORTS(PRINT32, PRInt32),
COMPONENT_SUPPORTS(PRINT64, PRInt64),
COMPONENT_SUPPORTS(FLOAT, Float),
COMPONENT_SUPPORTS(DOUBLE, Double),
COMPONENT_SUPPORTS(VOID, Void),
COMPONENT_SUPPORTS(INTERFACE_POINTER, InterfacePointer),
#undef COMPONENT_SUPPORTS
#define NS_LOCAL_FILE_CLASSNAME "Local File Specification"
COMPONENT(LOCAL_FILE, nsLocalFile::nsLocalFileConstructor),
#define NS_DIRECTORY_SERVICE_CLASSNAME "nsIFile Directory Service"
COMPONENT(DIRECTORY_SERVICE, nsDirectoryService::Create),
COMPONENT(PROCESS, nsProcessConstructor),
COMPONENT(ENVIRONMENT, nsEnvironment::Create),
COMPONENT_CI_FLAGS(THREADMANAGER, nsThreadManagerGetSingleton,
nsThreadManager,
nsIClassInfo::THREADSAFE | nsIClassInfo::SINGLETON),
COMPONENT_CI_FLAGS(THREADPOOL, nsThreadPoolConstructor,
nsThreadPool, nsIClassInfo::THREADSAFE),
COMPONENT_CI_FLAGS(STRINGINPUTSTREAM, nsStringInputStreamConstructor,
nsStringInputStream, nsIClassInfo::THREADSAFE),
COMPONENT(MULTIPLEXINPUTSTREAM, nsMultiplexInputStreamConstructor),
#ifndef MOZ_NO_FAST_LOAD
COMPONENT(FASTLOADSERVICE, nsFastLoadService::Create),
#endif
COMPONENT(VARIANT, nsVariantConstructor),
COMPONENT(INTERFACEINFOMANAGER_SERVICE, nsXPTIInterfaceInfoManagerGetSingleton),
COMPONENT(RECYCLINGALLOCATOR, nsRecyclingAllocatorImplConstructor),
#define NS_HASH_PROPERTY_BAG_CLASSNAME "Hashtable Property Bag"
COMPONENT(HASH_PROPERTY_BAG, nsHashPropertyBagConstructor),
COMPONENT(UUID_GENERATOR, nsUUIDGeneratorConstructor),
#if defined(XP_WIN)
COMPONENT(WINDOWSREGKEY, nsWindowsRegKeyConstructor),
#endif
#ifdef XP_MACOSX
COMPONENT(MACUTILSIMPL, nsMacUtilsImplConstructor),
#endif
COMPONENT(SYSTEMINFO, nsSystemInfoConstructor),
#define NS_MEMORY_REPORTER_MANAGER_CLASSNAME "Memory Reporter Manager"
COMPONENT(MEMORY_REPORTER_MANAGER, nsMemoryReporterManagerConstructor),
COMPONENT(IOUTIL, nsIOUtilConstructor),
};
#undef COMPONENT
const int components_length = sizeof(components) / sizeof(components[0]);
// gDebug will be freed during shutdown.
static nsIDebug* gDebug = nsnull;
EXPORT_XPCOM_API(nsresult)
NS_GetDebug(nsIDebug** result)
{
return nsDebugImpl::Create(nsnull,
NS_GET_IID(nsIDebug),
(void**) result);
}
EXPORT_XPCOM_API(nsresult)
NS_GetTraceRefcnt(nsITraceRefcnt** result)
{
return nsTraceRefcntImpl::Create(nsnull,
NS_GET_IID(nsITraceRefcnt),
(void**) result);
}
EXPORT_XPCOM_API(nsresult)
NS_InitXPCOM(nsIServiceManager* *result,
nsIFile* binDirectory)
{
return NS_InitXPCOM3(result, binDirectory, nsnull, nsnull, 0);
}
EXPORT_XPCOM_API(nsresult)
NS_InitXPCOM2(nsIServiceManager* *result,
nsIFile* binDirectory,
nsIDirectoryServiceProvider* appFileLocationProvider)
{
return NS_InitXPCOM3(result, binDirectory, appFileLocationProvider, nsnull, 0);
}
EXPORT_XPCOM_API(nsresult)
NS_InitXPCOM3(nsIServiceManager* *result,
nsIFile* binDirectory,
nsIDirectoryServiceProvider* appFileLocationProvider,
nsStaticModuleInfo const *staticComponents,
PRUint32 componentCount)
{
nsresult rv = NS_OK;
#ifdef MOZ_ENABLE_LIBXUL
if (!staticComponents) {
staticComponents = kPStaticModules;
componentCount = kStaticModuleCount;
}
#endif
// We are not shutting down
gXPCOMShuttingDown = PR_FALSE;
NS_LogInit();
// Set up TimeStamp
rv = TimeStamp::Startup();
NS_ENSURE_SUCCESS(rv, rv);
// Establish the main thread here.
rv = nsThreadManager::get()->Init();
if (NS_FAILED(rv)) return rv;
// Set up the timer globals/timer thread
rv = nsTimerImpl::Startup();
NS_ENSURE_SUCCESS(rv, rv);
#ifndef WINCE
// 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, NULL), "C") == 0)
setlocale(LC_ALL, "");
#endif
#if defined(XP_UNIX) || defined(XP_OS2)
NS_StartupNativeCharsetUtils();
#endif
NS_StartupLocalFile();
StartupSpecialSystemDirectory();
rv = nsDirectoryService::RealInit();
if (NS_FAILED(rv))
return rv;
nsCOMPtr<nsIFile> xpcomLib;
PRBool value;
if (binDirectory)
{
rv = binDirectory->IsDirectory(&value);
if (NS_SUCCEEDED(rv) && value) {
nsDirectoryService::gService->Set(NS_XPCOM_INIT_CURRENT_PROCESS_DIR, binDirectory);
binDirectory->Clone(getter_AddRefs(xpcomLib));
}
}
else {
nsDirectoryService::gService->Get(NS_XPCOM_CURRENT_PROCESS_DIR,
NS_GET_IID(nsIFile),
getter_AddRefs(xpcomLib));
}
if (xpcomLib) {
xpcomLib->AppendNative(nsDependentCString(XPCOM_DLL));
nsDirectoryService::gService->Set(NS_XPCOM_LIBRARY_FILE, xpcomLib);
}
if (appFileLocationProvider) {
rv = nsDirectoryService::gService->RegisterProvider(appFileLocationProvider);
if (NS_FAILED(rv)) return rv;
}
NS_ASSERTION(nsComponentManagerImpl::gComponentManager == NULL, "CompMgr not null at init");
// Create the Component/Service Manager
nsComponentManagerImpl *compMgr = new nsComponentManagerImpl();
if (compMgr == NULL)
return NS_ERROR_OUT_OF_MEMORY;
NS_ADDREF(compMgr);
rv = compMgr->Init(staticComponents, componentCount);
if (NS_FAILED(rv))
{
NS_RELEASE(compMgr);
return rv;
}
nsComponentManagerImpl::gComponentManager = compMgr;
if (result) {
nsIServiceManager *serviceManager =
static_cast<nsIServiceManager*>(compMgr);
NS_ADDREF(*result = serviceManager);
}
nsCOMPtr<nsIMemory> memory;
NS_GetMemoryManager(getter_AddRefs(memory));
rv = compMgr->RegisterService(kMemoryCID, memory);
if (NS_FAILED(rv)) return rv;
rv = compMgr->RegisterService(kComponentManagerCID, static_cast<nsIComponentManager*>(compMgr));
if (NS_FAILED(rv)) return rv;
#ifdef GC_LEAK_DETECTOR
rv = NS_InitLeakDetector();
if (NS_FAILED(rv)) return rv;
#endif
rv = nsCycleCollector_startup();
if (NS_FAILED(rv)) return rv;
// 2. Register the global services with the component manager so that
// clients can create new objects.
// Category Manager
{
nsCOMPtr<nsIFactory> categoryManagerFactory;
if ( NS_FAILED(rv = NS_CategoryManagerGetFactory(getter_AddRefs(categoryManagerFactory))) )
return rv;
NS_DEFINE_CID(kCategoryManagerCID, NS_CATEGORYMANAGER_CID);
rv = compMgr->RegisterFactory(kCategoryManagerCID,
NS_CATEGORYMANAGER_CLASSNAME,
NS_CATEGORYMANAGER_CONTRACTID,
categoryManagerFactory,
PR_TRUE);
if ( NS_FAILED(rv) ) return rv;
}
nsCOMPtr<nsIComponentRegistrar> registrar = do_QueryInterface(
static_cast<nsIComponentManager*>(compMgr), &rv);
if (registrar) {
for (int i = 0; i < components_length; i++)
RegisterGenericFactory(registrar, &components[i]);
nsCOMPtr<nsIFactory> iniParserFactory(new nsINIParserFactory());
if (iniParserFactory)
registrar->RegisterFactory(kINIParserFactoryCID,
"nsINIParserFactory",
NS_INIPARSERFACTORY_CONTRACTID,
iniParserFactory);
registrar->
RegisterFactory(kSimpleUnicharStreamFactoryCID,
"nsSimpleUnicharStreamFactory",
NS_SIMPLE_UNICHAR_STREAM_FACTORY_CONTRACTID,
nsSimpleUnicharStreamFactory::GetInstance());
}
// Pay the cost at startup time of starting this singleton.
nsIInterfaceInfoManager* iim =
xptiInterfaceInfoManager::GetInterfaceInfoManagerNoAddRef();
if (CheckUpdateFile() || NS_FAILED(
nsComponentManagerImpl::gComponentManager->ReadPersistentRegistry())) {
// If the component registry is out of date, malformed, or incomplete,
// autoregister the default component directories.
(void) iim->AutoRegisterInterfaces();
nsComponentManagerImpl::gComponentManager->AutoRegister(nsnull);
}
// 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();
// Initialize memory flusher
nsMemoryImpl::InitFlusher();
// Notify observers of xpcom autoregistration start
NS_CreateServicesFromCategory(NS_XPCOM_STARTUP_CATEGORY,
nsnull,
NS_XPCOM_STARTUP_OBSERVER_ID);
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 {
nsresult
ShutdownXPCOM(nsIServiceManager* servMgr)
{
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)
{
nsCOMPtr<nsIServiceManager> mgr;
rv = NS_GetServiceManager(getter_AddRefs(mgr));
if (NS_SUCCEEDED(rv))
{
(void) observerService->
NotifyObservers(mgr, NS_XPCOM_SHUTDOWN_OBSERVER_ID,
nsnull);
}
}
NS_ProcessPendingEvents(thread);
if (observerService)
(void) observerService->
NotifyObservers(nsnull, NS_XPCOM_SHUTDOWN_THREADS_OBSERVER_ID,
nsnull);
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);
// 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();
}
}
// XPCOM is officially in shutdown mode NOW
// Set this only after the observers have been notified as this
// will cause servicemanager to become inaccessible.
gXPCOMShuttingDown = PR_TRUE;
#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();
}
nsProxyObjectManager::Shutdown();
// Release the directory service
NS_IF_RELEASE(nsDirectoryService::gService);
nsCycleCollector_shutdown();
if (moduleLoaders) {
PRBool 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(nsnull,
NS_XPCOM_SHUTDOWN_LOADERS_OBSERVER_ID,
nsnull);
}
moduleLoaders = nsnull;
}
// 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 = nsnull;
#ifdef DEBUG
// FIXME BUG 456272: this should disappear
_FreeAutoLockStatics();
#endif
ShutdownSpecialSystemDirectory();
NS_PurgeAtomTable();
NS_IF_RELEASE(gDebug);
TimeStamp::Shutdown();
#ifdef DEBUG
/* FIXME bug 491977: This is only going to operate on the
* BlockingResourceBase which is compiled into
* libxul/libxpcom_core.so. Anyone using external linkage will
* have their own copy of BlockingResourceBase statics which will
* not be freed by this method.
*
* It sounds like what we really want is to be able to register a
* callback function to call at XPCOM shutdown. Note that with
* this solution, however, we need to guarantee that
* BlockingResourceBase::Shutdown() runs after all other shutdown
* functions.
*/
BlockingResourceBase::Shutdown();
#endif
NS_LogTerm();
#ifdef GC_LEAK_DETECTOR
// Shutdown the Leak detector.
NS_ShutdownLeakDetector();
#endif
return NS_OK;
}
} // namespace mozilla
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