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Mypal/xpcom/build/XPCOMInit.cpp

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/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
#include "base/basictypes.h"
#include "mozilla/AbstractThread.h"
#include "mozilla/Atomics.h"
#include "mozilla/Poison.h"
#include "mozilla/SharedThreadPool.h"
#include "mozilla/XPCOM.h"
#include "nsXULAppAPI.h"
#include "nsXPCOMPrivate.h"
#include "nsXPCOMCIDInternal.h"
#include "mozilla/layers/ImageBridgeChild.h"
#include "mozilla/layers/CompositorBridgeParent.h"
#include "mozilla/dom/VideoDecoderManagerChild.h"
#include "prlink.h"
#include "nsCycleCollector.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 "nsScriptableBase64Encoder.h"
#include "nsMemoryImpl.h"
#include "nsDebugImpl.h"
#include "nsTraceRefcnt.h"
#include "nsErrorService.h"
// Disable deprecation warnings generated by nsISupportsArray and associated
// classes.
#if defined(__GNUC__)
#pragma GCC diagnostic push
#pragma GCC diagnostic ignored "-Wdeprecated-declarations"
#elif defined(_MSC_VER)
#pragma warning (push)
#pragma warning (disable : 4996)
#endif
#include "nsSupportsArray.h"
#if defined(__GNUC__)
#pragma GCC diagnostic pop
#elif defined(_MSC_VER)
#pragma warning (pop)
#endif
#include "nsArray.h"
#include "nsINIParserImpl.h"
#include "nsSupportsPrimitives.h"
#include "nsConsoleService.h"
#include "nsComponentManager.h"
#include "nsCategoryManagerUtils.h"
#include "nsIServiceManager.h"
#include "nsThreadManager.h"
#include "nsThreadPool.h"
#include "xptinfo.h"
#include "nsIInterfaceInfoManager.h"
#include "xptiprivate.h"
#include "mozilla/XPTInterfaceInfoManager.h"
#include "nsTimerImpl.h"
#include "TimerThread.h"
#include "nsThread.h"
#include "nsProcess.h"
#include "nsEnvironment.h"
#include "nsVersionComparatorImpl.h"
#include "nsIFile.h"
#include "nsLocalFile.h"
#if defined(XP_UNIX)
#include "nsNativeCharsetUtils.h"
#endif
#include "nsDirectoryService.h"
#include "nsDirectoryServiceDefs.h"
#include "nsCategoryManager.h"
#include "nsICategoryManager.h"
#include "nsMultiplexInputStream.h"
#include "nsStringStream.h"
extern nsresult nsStringInputStreamConstructor(nsISupports*, REFNSIID, void**);
#include "nsAtomService.h"
#include "nsAtomTable.h"
#include "nsISupportsImpl.h"
#include "nsHashPropertyBag.h"
#include "nsUnicharInputStream.h"
#include "nsVariant.h"
#include "nsUUIDGenerator.h"
#include "nsIOUtil.h"
#include "SpecialSystemDirectory.h"
#if defined(XP_WIN)
#include "mozilla/WindowsVersion.h"
#include "nsWindowsRegKey.h"
#endif
#ifdef MOZ_WIDGET_COCOA
#include "nsMacUtilsImpl.h"
#endif
#include "nsSystemInfo.h"
#include "nsMemoryReporterManager.h"
#include "nsMemoryInfoDumper.h"
#include "nsSecurityConsoleMessage.h"
#include "nsMessageLoop.h"
#include "nss.h"
#include "ssl.h"
#include "nsStatusReporterManager.h"
#include <locale.h>
#include "mozilla/Services.h"
#include "mozilla/Omnijar.h"
#include "mozilla/HangMonitor.h"
#include "mozilla/Telemetry.h"
#include "mozilla/BackgroundHangMonitor.h"
#include "nsChromeRegistry.h"
#include "nsChromeProtocolHandler.h"
#include "mozilla/PoisonIOInterposer.h"
#include "mozilla/LateWriteChecks.h"
#include "mozilla/scache/StartupCache.h"
#include "base/at_exit.h"
#include "base/command_line.h"
#include "base/message_loop.h"
#include "mozilla/ipc/BrowserProcessSubThread.h"
#include "mozilla/AvailableMemoryTracker.h"
#include "mozilla/ClearOnShutdown.h"
#include "mozilla/CountingAllocatorBase.h"
#include "mozilla/SystemMemoryReporter.h"
#include "mozilla/UniquePtr.h"
#include "mozilla/ipc/GeckoChildProcessHost.h"
#include "ogg/ogg.h"
#if defined(MOZ_VPX) && !defined(MOZ_VPX_NO_MEM_REPORTING)
#if defined(HAVE_STDINT_H)
// mozilla-config.h defines HAVE_STDINT_H, and then it's defined *again* in
// vpx_config.h (which we include via vpx_mem.h, below). This redefinition
// triggers a build warning on MSVC, so we have to #undef it first.
#undef HAVE_STDINT_H
#endif
#include "vpx_mem/vpx_mem.h"
#endif
#include "GeckoProfiler.h"
#include "jsapi.h"
#include "js/Initialization.h"
#include "gfxPlatform.h"
#include "unicode/putil.h"
using namespace mozilla;
using base::AtExitManager;
using mozilla::ipc::BrowserProcessSubThread;
namespace {
static AtExitManager* sExitManager;
static MessageLoop* sMessageLoop;
static bool sCommandLineWasInitialized;
static BrowserProcessSubThread* sIOThread;
static BackgroundHangMonitor* sMainHangMonitor;
} /* anonymous namespace */
// 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 XP_WIN
extern nsresult CreateAnonTempFileRemover();
#endif
NS_GENERIC_FACTORY_CONSTRUCTOR(nsProcess)
NS_GENERIC_FACTORY_CONSTRUCTOR(nsSupportsID)
NS_GENERIC_FACTORY_CONSTRUCTOR(nsSupportsString)
NS_GENERIC_FACTORY_CONSTRUCTOR(nsSupportsCString)
NS_GENERIC_FACTORY_CONSTRUCTOR(nsSupportsPRBool)
NS_GENERIC_FACTORY_CONSTRUCTOR(nsSupportsPRUint8)
NS_GENERIC_FACTORY_CONSTRUCTOR(nsSupportsPRUint16)
NS_GENERIC_FACTORY_CONSTRUCTOR(nsSupportsPRUint32)
NS_GENERIC_FACTORY_CONSTRUCTOR(nsSupportsPRUint64)
NS_GENERIC_FACTORY_CONSTRUCTOR(nsSupportsPRTime)
NS_GENERIC_FACTORY_CONSTRUCTOR(nsSupportsChar)
NS_GENERIC_FACTORY_CONSTRUCTOR(nsSupportsPRInt16)
NS_GENERIC_FACTORY_CONSTRUCTOR(nsSupportsPRInt32)
NS_GENERIC_FACTORY_CONSTRUCTOR(nsSupportsPRInt64)
NS_GENERIC_FACTORY_CONSTRUCTOR(nsSupportsFloat)
NS_GENERIC_FACTORY_CONSTRUCTOR(nsSupportsDouble)
NS_GENERIC_FACTORY_CONSTRUCTOR(nsSupportsVoid)
NS_GENERIC_FACTORY_CONSTRUCTOR(nsSupportsInterfacePointer)
NS_GENERIC_FACTORY_CONSTRUCTOR_INIT(nsConsoleService, Init)
NS_GENERIC_FACTORY_CONSTRUCTOR(nsAtomService)
NS_GENERIC_FACTORY_CONSTRUCTOR(nsTimer)
NS_GENERIC_FACTORY_CONSTRUCTOR(nsBinaryOutputStream)
NS_GENERIC_FACTORY_CONSTRUCTOR(nsBinaryInputStream)
NS_GENERIC_FACTORY_CONSTRUCTOR(nsStorageStream)
NS_GENERIC_FACTORY_CONSTRUCTOR(nsVersionComparatorImpl)
NS_GENERIC_FACTORY_CONSTRUCTOR(nsScriptableBase64Encoder)
NS_GENERIC_FACTORY_CONSTRUCTOR(nsVariantCC)
NS_GENERIC_FACTORY_CONSTRUCTOR(nsHashPropertyBagCC)
NS_GENERIC_AGGREGATED_CONSTRUCTOR(nsProperties)
NS_GENERIC_FACTORY_CONSTRUCTOR_INIT(nsUUIDGenerator, Init)
#ifdef MOZ_WIDGET_COCOA
NS_GENERIC_FACTORY_CONSTRUCTOR(nsMacUtilsImpl)
#endif
NS_GENERIC_FACTORY_CONSTRUCTOR_INIT(nsSystemInfo, Init)
NS_GENERIC_FACTORY_CONSTRUCTOR_INIT(nsMemoryReporterManager, Init)
NS_GENERIC_FACTORY_CONSTRUCTOR(nsMemoryInfoDumper)
NS_GENERIC_FACTORY_CONSTRUCTOR_INIT(nsStatusReporterManager, Init)
NS_GENERIC_FACTORY_CONSTRUCTOR(nsIOUtil)
NS_GENERIC_FACTORY_CONSTRUCTOR(nsSecurityConsoleMessage)
static nsresult
nsThreadManagerGetSingleton(nsISupports* aOuter,
const nsIID& aIID,
void** aInstancePtr)
{
NS_ASSERTION(aInstancePtr, "null outptr");
if (NS_WARN_IF(aOuter)) {
return NS_ERROR_NO_AGGREGATION;
}
return nsThreadManager::get().QueryInterface(aIID, aInstancePtr);
}
NS_GENERIC_FACTORY_CONSTRUCTOR(nsThreadPool)
static nsresult
nsXPTIInterfaceInfoManagerGetSingleton(nsISupports* aOuter,
const nsIID& aIID,
void** aInstancePtr)
{
NS_ASSERTION(aInstancePtr, "null outptr");
if (NS_WARN_IF(aOuter)) {
return NS_ERROR_NO_AGGREGATION;
}
nsCOMPtr<nsIInterfaceInfoManager> iim(XPTInterfaceInfoManager::GetSingleton());
if (!iim) {
return NS_ERROR_FAILURE;
}
return iim->QueryInterface(aIID, aInstancePtr);
}
nsComponentManagerImpl* nsComponentManagerImpl::gComponentManager = nullptr;
bool gXPCOMShuttingDown = false;
bool gXPCOMThreadsShutDown = false;
char16_t* gGREBinPath = nullptr;
static NS_DEFINE_CID(kComponentManagerCID, NS_COMPONENTMANAGER_CID);
static NS_DEFINE_CID(kINIParserFactoryCID, NS_INIPARSERFACTORY_CID);
NS_DEFINE_NAMED_CID(NS_CHROMEREGISTRY_CID);
NS_DEFINE_NAMED_CID(NS_CHROMEPROTOCOLHANDLER_CID);
NS_DEFINE_NAMED_CID(NS_SECURITY_CONSOLE_MESSAGE_CID);
NS_GENERIC_FACTORY_SINGLETON_CONSTRUCTOR(nsChromeRegistry,
nsChromeRegistry::GetSingleton)
NS_GENERIC_FACTORY_CONSTRUCTOR(nsChromeProtocolHandler)
#define NS_PERSISTENTPROPERTIES_CID NS_IPERSISTENTPROPERTIES_CID /* sigh */
static already_AddRefed<nsIFactory>
CreateINIParserFactory(const mozilla::Module& aModule,
const mozilla::Module::CIDEntry& aEntry)
{
nsCOMPtr<nsIFactory> f = new nsINIParserFactory();
return f.forget();
}
#define COMPONENT(NAME, Ctor) static NS_DEFINE_CID(kNS_##NAME##_CID, NS_##NAME##_CID);
#define COMPONENT_M(NAME, Ctor, Selector) static NS_DEFINE_CID(kNS_##NAME##_CID, NS_##NAME##_CID);
#include "XPCOMModule.inc"
#undef COMPONENT
#undef COMPONENT_M
#define COMPONENT(NAME, Ctor) { &kNS_##NAME##_CID, false, nullptr, Ctor },
#define COMPONENT_M(NAME, Ctor, Selector) { &kNS_##NAME##_CID, false, nullptr, Ctor, Selector },
const mozilla::Module::CIDEntry kXPCOMCIDEntries[] = {
{ &kComponentManagerCID, true, nullptr, nsComponentManagerImpl::Create, Module::ALLOW_IN_GPU_PROCESS },
{ &kINIParserFactoryCID, false, CreateINIParserFactory },
#include "XPCOMModule.inc"
{ &kNS_CHROMEREGISTRY_CID, false, nullptr, nsChromeRegistryConstructor },
{ &kNS_CHROMEPROTOCOLHANDLER_CID, false, nullptr, nsChromeProtocolHandlerConstructor },
{ &kNS_SECURITY_CONSOLE_MESSAGE_CID, false, nullptr, nsSecurityConsoleMessageConstructor },
{ nullptr }
};
#undef COMPONENT
#undef COMPONENT_M
#define COMPONENT(NAME, Ctor) { NS_##NAME##_CONTRACTID, &kNS_##NAME##_CID },
#define COMPONENT_M(NAME, Ctor, Selector) { NS_##NAME##_CONTRACTID, &kNS_##NAME##_CID, Selector },
const mozilla::Module::ContractIDEntry kXPCOMContracts[] = {
#include "XPCOMModule.inc"
{ NS_CHROMEREGISTRY_CONTRACTID, &kNS_CHROMEREGISTRY_CID },
{ NS_NETWORK_PROTOCOL_CONTRACTID_PREFIX "chrome", &kNS_CHROMEPROTOCOLHANDLER_CID },
{ NS_INIPARSERFACTORY_CONTRACTID, &kINIParserFactoryCID },
{ NS_SECURITY_CONSOLE_MESSAGE_CONTRACTID, &kNS_SECURITY_CONSOLE_MESSAGE_CID },
{ nullptr }
};
#undef COMPONENT
#undef COMPONENT_M
const mozilla::Module kXPCOMModule = {
mozilla::Module::kVersion, kXPCOMCIDEntries, kXPCOMContracts,
nullptr,
nullptr,
nullptr,
nullptr,
Module::ALLOW_IN_GPU_PROCESS
};
// gDebug will be freed during shutdown.
static nsIDebug2* gDebug = nullptr;
EXPORT_XPCOM_API(nsresult)
NS_GetDebug(nsIDebug2** aResult)
{
return nsDebugImpl::Create(nullptr, NS_GET_IID(nsIDebug2), (void**)aResult);
}
EXPORT_XPCOM_API(nsresult)
NS_InitXPCOM(nsIServiceManager** aResult,
nsIFile* aBinDirectory)
{
return NS_InitXPCOM2(aResult, aBinDirectory, nullptr);
}
class ICUReporter final
: public nsIMemoryReporter
, public CountingAllocatorBase<ICUReporter>
{
public:
NS_DECL_ISUPPORTS
static void* Alloc(const void*, size_t aSize)
{
return CountingMalloc(aSize);
}
static void* Realloc(const void*, void* aPtr, size_t aSize)
{
return CountingRealloc(aPtr, aSize);
}
static void Free(const void*, void* aPtr)
{
return CountingFree(aPtr);
}
private:
NS_IMETHOD
CollectReports(nsIHandleReportCallback* aHandleReport, nsISupports* aData,
bool aAnonymize) override
{
MOZ_COLLECT_REPORT(
"explicit/icu", KIND_HEAP, UNITS_BYTES, MemoryAllocated(),
"Memory used by ICU, a Unicode and globalization support library.");
return NS_OK;
}
~ICUReporter() {}
};
NS_IMPL_ISUPPORTS(ICUReporter, nsIMemoryReporter)
/* static */ template<> Atomic<size_t>
CountingAllocatorBase<ICUReporter>::sAmount(0);
class OggReporter final
: public nsIMemoryReporter
, public CountingAllocatorBase<OggReporter>
{
public:
NS_DECL_ISUPPORTS
private:
NS_IMETHOD
CollectReports(nsIHandleReportCallback* aHandleReport, nsISupports* aData,
bool aAnonymize) override
{
MOZ_COLLECT_REPORT(
"explicit/media/libogg", KIND_HEAP, UNITS_BYTES, MemoryAllocated(),
"Memory allocated through libogg for Ogg, Theora, and related media "
"files.");
return NS_OK;
}
~OggReporter() {}
};
NS_IMPL_ISUPPORTS(OggReporter, nsIMemoryReporter)
/* static */ template<> Atomic<size_t>
CountingAllocatorBase<OggReporter>::sAmount(0);
#ifdef MOZ_VPX
class VPXReporter final
: public nsIMemoryReporter
, public CountingAllocatorBase<VPXReporter>
{
public:
NS_DECL_ISUPPORTS
private:
NS_IMETHOD
CollectReports(nsIHandleReportCallback* aHandleReport, nsISupports* aData,
bool aAnonymize) override
{
MOZ_COLLECT_REPORT(
"explicit/media/libvpx", KIND_HEAP, UNITS_BYTES, MemoryAllocated(),
"Memory allocated through libvpx for WebM media files.");
return NS_OK;
}
~VPXReporter() {}
};
NS_IMPL_ISUPPORTS(VPXReporter, nsIMemoryReporter)
/* static */ template<> Atomic<size_t>
CountingAllocatorBase<VPXReporter>::sAmount(0);
#endif /* MOZ_VPX */
static double
TimeSinceProcessCreation()
{
bool ignore;
return (TimeStamp::Now() - TimeStamp::ProcessCreation(ignore)).ToMilliseconds();
}
static bool sInitializedJS = false;
// Note that on OSX, aBinDirectory will point to .app/Contents/Resources/browser
EXPORT_XPCOM_API(nsresult)
NS_InitXPCOM2(nsIServiceManager** aResult,
nsIFile* aBinDirectory,
nsIDirectoryServiceProvider* aAppFileLocationProvider)
{
static bool sInitialized = false;
if (sInitialized) {
return NS_ERROR_FAILURE;
}
sInitialized = true;
mozPoisonValueInit();
NS_LogInit();
NS_InitAtomTable();
mozilla::LogModule::Init();
JS_SetCurrentEmbedderTimeFunction(TimeSinceProcessCreation);
char aLocal;
profiler_init(&aLocal);
nsresult rv = NS_OK;
// We are not shutting down
gXPCOMShuttingDown = false;
// Initialize the available memory tracker before other threads have had a
// chance to start up, because the initialization is not thread-safe.
mozilla::AvailableMemoryTracker::Init();
#ifdef XP_UNIX
// Discover the current value of the umask, and save it where
// nsSystemInfo::Init can retrieve it when necessary. There is no way
// to read the umask without changing it, and the setting is process-
// global, so this must be done while we are still single-threaded; the
// nsSystemInfo object is typically created much later, when some piece
// of chrome JS wants it. The system call is specified as unable to fail.
nsSystemInfo::gUserUmask = ::umask(0777);
::umask(nsSystemInfo::gUserUmask);
#endif
// Set up chromium libs
NS_ASSERTION(!sExitManager && !sMessageLoop, "Bad logic!");
if (!AtExitManager::AlreadyRegistered()) {
sExitManager = new AtExitManager();
}
MessageLoop* messageLoop = MessageLoop::current();
if (!messageLoop) {
sMessageLoop = new MessageLoopForUI(MessageLoop::TYPE_MOZILLA_PARENT);
sMessageLoop->set_thread_name("Gecko");
// Set experimental values for main thread hangs:
// 128ms for transient hangs and 8192ms for permanent hangs
sMessageLoop->set_hang_timeouts(128, 8192);
} else if (messageLoop->type() == MessageLoop::TYPE_MOZILLA_CHILD) {
messageLoop->set_thread_name("Gecko_Child");
messageLoop->set_hang_timeouts(128, 8192);
}
if (XRE_IsParentProcess() &&
!BrowserProcessSubThread::GetMessageLoop(BrowserProcessSubThread::IO)) {
UniquePtr<BrowserProcessSubThread> ioThread = MakeUnique<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 (aBinDirectory) {
rv = aBinDirectory->IsDirectory(&value);
if (NS_SUCCEEDED(rv) && value) {
nsDirectoryService::gService->Set(NS_XPCOM_INIT_CURRENT_PROCESS_DIR,
aBinDirectory);
}
}
if (aAppFileLocationProvider) {
rv = nsDirectoryService::gService->RegisterProvider(aAppFileLocationProvider);
if (NS_FAILED(rv)) {
return rv;
}
}
nsCOMPtr<nsIFile> xpcomLib;
nsDirectoryService::gService->Get(NS_GRE_BIN_DIR,
NS_GET_IID(nsIFile),
getter_AddRefs(xpcomLib));
MOZ_ASSERT(xpcomLib);
// set gGREBinPath
nsAutoString path;
xpcomLib->GetPath(path);
gGREBinPath = ToNewUnicode(path);
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
#if defined(MOZ_ICU_DATA_ARCHIVE)
nsCOMPtr<nsIFile> greDir;
nsDirectoryService::gService->Get(NS_GRE_DIR,
NS_GET_IID(nsIFile),
getter_AddRefs(greDir));
MOZ_ASSERT(greDir);
nsAutoCString nativeGREPath;
greDir->GetNativePath(nativeGREPath);
u_setDataDirectory(nativeGREPath.get());
#endif
// Initialize the JS engine.
const char* jsInitFailureReason = JS_InitWithFailureDiagnostic();
if (jsInitFailureReason) {
NS_RUNTIMEABORT(jsInitFailureReason);
}
sInitializedJS = true;
// Init AbstractThread.
AbstractThread::InitStatics();
rv = nsComponentManagerImpl::gComponentManager->Init();
if (NS_FAILED(rv)) {
NS_RELEASE(nsComponentManagerImpl::gComponentManager);
return rv;
}
if (aResult) {
NS_ADDREF(*aResult = 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();
// Init SharedThreadPool (which needs the service manager).
SharedThreadPool::InitStatics();
// Force layout to spin up so that nsContentUtils is available for cx stack
// munging. Note that layout registers a number of static atoms, and also
// seals the static atom table, so NS_RegisterStaticAtom may not be called
// beyond this point.
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_IsParentProcess()) {
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
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());
return NS_OK;
}
EXPORT_XPCOM_API(nsresult)
NS_InitMinimalXPCOM()
{
mozPoisonValueInit();
NS_SetMainThread();
mozilla::TimeStamp::Startup();
NS_LogInit();
NS_InitAtomTable();
mozilla::LogModule::Init();
char aLocal;
profiler_init(&aLocal);
nsresult 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;
}
// Create the Component/Service Manager
nsComponentManagerImpl::gComponentManager = new nsComponentManagerImpl();
NS_ADDREF(nsComponentManagerImpl::gComponentManager);
rv = nsComponentManagerImpl::gComponentManager->Init();
if (NS_FAILED(rv)) {
NS_RELEASE(nsComponentManagerImpl::gComponentManager);
return rv;
}
// Global cycle collector initialization.
if (!nsCycleCollector_init()) {
return NS_ERROR_UNEXPECTED;
}
AbstractThread::InitStatics();
SharedThreadPool::InitStatics();
mozilla::Telemetry::Init();
mozilla::HangMonitor::Startup();
mozilla::BackgroundHangMonitor::Startup();
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* aServMgr)
{
return mozilla::ShutdownXPCOM(aServMgr);
}
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* aServMgr)
{
// 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;
}
RefPtr<nsObserverService> observerService;
CallGetService("@mozilla.org/observer-service;1",
(nsObserverService**)getter_AddRefs(observerService));
if (observerService) {
mozilla::KillClearOnShutdown(ShutdownPhase::WillShutdown);
observerService->NotifyObservers(nullptr,
NS_XPCOM_WILL_SHUTDOWN_OBSERVER_ID,
nullptr);
nsCOMPtr<nsIServiceManager> mgr;
rv = NS_GetServiceManager(getter_AddRefs(mgr));
if (NS_SUCCEEDED(rv)) {
mozilla::KillClearOnShutdown(ShutdownPhase::Shutdown);
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.
NS_ProcessPendingEvents(thread);
gfxPlatform::ShutdownLayersIPC();
mozilla::dom::VideoDecoderManagerChild::Shutdown();
mozilla::scache::StartupCache::DeleteSingleton();
if (observerService)
{
mozilla::KillClearOnShutdown(ShutdownPhase::ShutdownThreads);
observerService->NotifyObservers(nullptr,
NS_XPCOM_SHUTDOWN_THREADS_OBSERVER_ID,
nullptr);
}
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) {
mozilla::KillClearOnShutdown(ShutdownPhase::ShutdownLoaders);
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(ShutdownPhase::ShutdownFinal);
// 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();
// We may have AddRef'd for the caller of NS_InitXPCOM, so release it
// here again:
NS_IF_RELEASE(aServMgr);
// Shutdown global servicemanager
if (nsComponentManagerImpl::gComponentManager) {
nsComponentManagerImpl::gComponentManager->FreeServices();
}
// Release the directory service
nsDirectoryService::gService = nullptr;
free(gGREBinPath);
gGREBinPath = nullptr;
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) {
obs->Observe(nullptr, NS_XPCOM_SHUTDOWN_LOADERS_OBSERVER_ID, nullptr);
}
}
moduleLoaders = nullptr;
}
bool shutdownCollect;
#ifdef NS_FREE_PERMANENT_DATA
shutdownCollect = true;
#else
shutdownCollect = !!PR_GetEnv("MOZ_CC_RUN_DURING_SHUTDOWN");
#endif
nsCycleCollector_shutdown(shutdownCollect);
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 ...");
}
if (sInitializedJS) {
// Shut down the JS engine.
JS_ShutDown();
sInitializedJS = false;
}
// At this point all networking threads should have been joined and the
// component manager is shut down. Any remaining objects that hold NSS
// resources (should!) have been released, so we can safely shut down NSS.
if (NSS_IsInitialized()) {
SSL_ClearSessionCache();
// XXX: It would be nice if we can enforce this shutdown.
if (NSS_Shutdown() != SECSuccess) {
NS_WARNING("NSS Shutdown failed - some resources are still in use");
}
}
// 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_ShutdownAtomTable();
NS_IF_RELEASE(gDebug);
delete sIOThread;
sIOThread = nullptr;
delete sMessageLoop;
sMessageLoop = nullptr;
if (sCommandLineWasInitialized) {
CommandLine::Terminate();
sCommandLineWasInitialized = false;
}
delete sExitManager;
sExitManager = nullptr;
Omnijar::CleanUp();
HangMonitor::Shutdown();
delete sMainHangMonitor;
sMainHangMonitor = nullptr;
BackgroundHangMonitor::Shutdown();
profiler_shutdown();
NS_LogTerm();
return NS_OK;
}
} // namespace mozilla
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