void Init()
{
// On 64-bit systems, hardcode sLowVirtualMemoryThreshold to 0 -- we assume
// we're not going to run out of virtual memory!
if (sizeof(void*) > 4) {
sLowVirtualMemoryThreshold = 0;
}
else {
Preferences::AddUintVarCache(&sLowVirtualMemoryThreshold,
"memory.low_virtual_mem_threshold_mb", 128);
}
Preferences::AddUintVarCache(&sLowPhysicalMemoryThreshold,
"memory.low_physical_memory_threshold_mb", 0);
Preferences::AddUintVarCache(&sLowCommitSpaceThreshold,
"memory.low_commit_space_threshold_mb", 128);
Preferences::AddUintVarCache(&sLowMemoryNotificationIntervalMS,
"memory.low_memory_notification_interval_ms", 10000);
// Don't register the hooks if we're a build instrumented for PGO or if both
// thresholds are 0. (If we're an instrumented build, the compiler adds
// function calls all over the place which may call VirtualAlloc; this makes
// it hard to prevent VirtualAllocHook from reentering itself.)
if (!PR_GetEnv("MOZ_PGO_INSTRUMENTED") &&
(sLowVirtualMemoryThreshold != 0 || sLowPhysicalMemoryThreshold != 0)) {
sHooksInstalled = true;
sKernel32Intercept.Init("Kernel32.dll");
sKernel32Intercept.AddHook("VirtualAlloc",
reinterpret_cast<intptr_t>(VirtualAllocHook),
(void**) &sVirtualAllocOrig);
sKernel32Intercept.AddHook("MapViewOfFile",
reinterpret_cast<intptr_t>(MapViewOfFileHook),
(void**) &sMapViewOfFileOrig);
sGdi32Intercept.Init("Gdi32.dll");
sGdi32Intercept.AddHook("CreateDIBSection",
reinterpret_cast<intptr_t>(CreateDIBSectionHook),
(void**) &sCreateDIBSectionOrig);
}
else {
sHooksInstalled = false;
}
NS_RegisterMemoryReporter(new NumLowCommitSpaceEventsMemoryReporter());
NS_RegisterMemoryReporter(new NumLowPhysicalMemoryEventsMemoryReporter());
if (sizeof(void*) == 4) {
NS_RegisterMemoryReporter(new NumLowVirtualMemoryEventsMemoryReporter());
}
}
GrallocBufferActor::GrallocBufferActor()
: mAllocBytes(0)
{
static bool registered;
if (!registered) {
// We want to be sure that the first call here will always run on
// the main thread.
NS_ASSERTION(NS_IsMainThread(), "Should be on main thread.");
NS_RegisterMemoryReporter(new NS_MEMORY_REPORTER_NAME(GrallocBufferActor));
registered = true;
}
}
void
gfxASurface::RecordMemoryUsedForSurfaceType(gfxASurface::gfxSurfaceType aType,
PRInt32 aBytes)
{
if (aType < 0 || aType >= SurfaceTypeMax) {
NS_WARNING("Invalid type to RecordMemoryUsedForSurfaceType!");
return;
}
if (gSurfaceMemoryReporters[aType] == 0) {
gSurfaceMemoryReporters[aType] = new SurfaceMemoryReporter(aType);
NS_RegisterMemoryReporter(gSurfaceMemoryReporters[aType]);
}
gSurfaceMemoryUsed[aType] += aBytes;
}
nsresult
mozHunspell::Init()
{
mDictionaries.Init();
LoadDictionaryList();
nsCOMPtr<nsIObserverService> obs = mozilla::services::GetObserverService();
if (obs) {
obs->AddObserver(this, "profile-do-change", true);
obs->AddObserver(this, "profile-after-change", true);
}
mHunspellReporter = new NS_MEMORY_REPORTER_NAME(Hunspell);
NS_RegisterMemoryReporter(mHunspellReporter);
return NS_OK;
}
nsLayoutStylesheetCache::nsLayoutStylesheetCache()
{
nsCOMPtr<nsIObserverService> obsSvc =
mozilla::services::GetObserverService();
NS_ASSERTION(obsSvc, "No global observer service?");
if (obsSvc) {
obsSvc->AddObserver(this, "profile-before-change", false);
obsSvc->AddObserver(this, "profile-do-change", false);
obsSvc->AddObserver(this, "chrome-flush-skin-caches", false);
obsSvc->AddObserver(this, "chrome-flush-caches", false);
}
InitFromProfile();
// And make sure that we load our UA sheets. No need to do this
// per-profile, since they're profile-invariant.
nsCOMPtr<nsIURI> uri;
NS_NewURI(getter_AddRefs(uri), "resource://gre-resources/ua.css");
if (uri) {
LoadSheet(uri, mUASheet, true);
}
NS_ASSERTION(mUASheet, "Could not load ua.css");
NS_NewURI(getter_AddRefs(uri), "resource://gre-resources/quirk.css");
if (uri) {
LoadSheet(uri, mQuirkSheet, true);
}
NS_ASSERTION(mQuirkSheet, "Could not load quirk.css");
NS_NewURI(getter_AddRefs(uri), "resource://gre-resources/full-screen-override.css");
if (uri) {
LoadSheet(uri, mFullScreenOverrideSheet, true);
}
NS_ASSERTION(mFullScreenOverrideSheet, "Could not load full-screen-override.css");
mReporter = new LayoutStyleSheetCacheReporter();
NS_RegisterMemoryReporter(mReporter);
}
nsresult
StartupCache::Init()
{
// workaround for bug 653936
nsCOMPtr<nsIProtocolHandler> jarInitializer(do_GetService(NS_NETWORK_PROTOCOL_CONTRACTID_PREFIX "jar"));
nsresult rv;
mTable.Init();
#ifdef DEBUG
mWriteObjectMap.Init();
#endif
// This allows to override the startup cache filename
// which is useful from xpcshell, when there is no ProfLDS directory to keep cache in.
char *env = PR_GetEnv("MOZ_STARTUP_CACHE");
if (env) {
rv = NS_NewLocalFile(NS_ConvertUTF8toUTF16(env), false, getter_AddRefs(mFile));
} else {
nsCOMPtr<nsIFile> file;
rv = NS_GetSpecialDirectory("ProfLDS",
getter_AddRefs(file));
if (NS_FAILED(rv)) {
// return silently, this will fail in mochitests's xpcshell process.
return rv;
}
nsCOMPtr<nsIFile> profDir;
NS_GetSpecialDirectory("ProfDS", getter_AddRefs(profDir));
if (profDir) {
bool same;
if (NS_SUCCEEDED(profDir->Equals(file, &same)) && !same) {
// We no longer store the startup cache in the main profile
// directory, so we should cleanup the old one.
if (NS_SUCCEEDED(
profDir->AppendNative(NS_LITERAL_CSTRING("startupCache")))) {
profDir->Remove(true);
}
}
}
rv = file->AppendNative(NS_LITERAL_CSTRING("startupCache"));
NS_ENSURE_SUCCESS(rv, rv);
// Try to create the directory if it's not there yet
rv = file->Create(nsIFile::DIRECTORY_TYPE, 0777);
if (NS_FAILED(rv) && rv != NS_ERROR_FILE_ALREADY_EXISTS)
return rv;
rv = file->AppendNative(NS_LITERAL_CSTRING(sStartupCacheName));
NS_ENSURE_SUCCESS(rv, rv);
mFile = do_QueryInterface(file);
}
NS_ENSURE_TRUE(mFile, NS_ERROR_UNEXPECTED);
mObserverService = do_GetService("@mozilla.org/observer-service;1");
if (!mObserverService) {
NS_WARNING("Could not get observerService.");
return NS_ERROR_UNEXPECTED;
}
mListener = new StartupCacheListener();
rv = mObserverService->AddObserver(mListener, NS_XPCOM_SHUTDOWN_OBSERVER_ID,
false);
NS_ENSURE_SUCCESS(rv, rv);
rv = mObserverService->AddObserver(mListener, "startupcache-invalidate",
false);
NS_ENSURE_SUCCESS(rv, rv);
rv = LoadArchive(RECORD_AGE);
// Sometimes we don't have a cache yet, that's ok.
// If it's corrupted, just remove it and start over.
if (gIgnoreDiskCache || (NS_FAILED(rv) && rv != NS_ERROR_FILE_NOT_FOUND)) {
NS_WARNING("Failed to load startupcache file correctly, removing!");
InvalidateCache();
}
mMappingReporter = new StartupCacheMappingReporter();
mDataReporter = new StartupCacheDataReporter();
NS_RegisterMemoryReporter(mMappingReporter);
NS_RegisterMemoryReporter(mDataReporter);
return NS_OK;
}
XPCJSRuntime::XPCJSRuntime(nsXPConnect* aXPConnect)
: mXPConnect(aXPConnect),
mJSRuntime(nsnull),
mWrappedJSMap(JSObject2WrappedJSMap::newMap(XPC_JS_MAP_SIZE)),
mWrappedJSClassMap(IID2WrappedJSClassMap::newMap(XPC_JS_CLASS_MAP_SIZE)),
mIID2NativeInterfaceMap(IID2NativeInterfaceMap::newMap(XPC_NATIVE_INTERFACE_MAP_SIZE)),
mClassInfo2NativeSetMap(ClassInfo2NativeSetMap::newMap(XPC_NATIVE_SET_MAP_SIZE)),
mNativeSetMap(NativeSetMap::newMap(XPC_NATIVE_SET_MAP_SIZE)),
mThisTranslatorMap(IID2ThisTranslatorMap::newMap(XPC_THIS_TRANSLATOR_MAP_SIZE)),
mNativeScriptableSharedMap(XPCNativeScriptableSharedMap::newMap(XPC_NATIVE_JSCLASS_MAP_SIZE)),
mDyingWrappedNativeProtoMap(XPCWrappedNativeProtoMap::newMap(XPC_DYING_NATIVE_PROTO_MAP_SIZE)),
mDetachedWrappedNativeProtoMap(XPCWrappedNativeProtoMap::newMap(XPC_DETACHED_NATIVE_PROTO_MAP_SIZE)),
mExplicitNativeWrapperMap(XPCNativeWrapperMap::newMap(XPC_NATIVE_WRAPPER_MAP_SIZE)),
mMapLock(XPCAutoLock::NewLock("XPCJSRuntime::mMapLock")),
mThreadRunningGC(nsnull),
mWrappedJSToReleaseArray(),
mNativesToReleaseArray(),
mDoingFinalization(JS_FALSE),
mVariantRoots(nsnull),
mWrappedJSRoots(nsnull),
mObjectHolderRoots(nsnull),
mUnrootedGlobalCount(0),
mWatchdogWakeup(nsnull),
mWatchdogThread(nsnull)
{
#ifdef XPC_CHECK_WRAPPERS_AT_SHUTDOWN
DEBUG_WrappedNativeHashtable =
JS_NewDHashTable(JS_DHashGetStubOps(), nsnull,
sizeof(JSDHashEntryStub), 128);
#endif
NS_TIME_FUNCTION;
DOM_InitInterfaces();
// these jsids filled in later when we have a JSContext to work with.
mStrIDs[0] = 0;
mJSRuntime = JS_NewRuntime(32L * 1024L * 1024L); // pref ?
if(mJSRuntime)
{
// Unconstrain the runtime's threshold on nominal heap size, to avoid
// triggering GC too often if operating continuously near an arbitrary
// finite threshold (0xffffffff is infinity for uint32 parameters).
// This leaves the maximum-JS_malloc-bytes threshold still in effect
// to cause period, and we hope hygienic, last-ditch GCs from within
// the GC's allocator.
JS_SetGCParameter(mJSRuntime, JSGC_MAX_BYTES, 0xffffffff);
JS_SetContextCallback(mJSRuntime, ContextCallback);
JS_SetGCCallbackRT(mJSRuntime, GCCallback);
JS_SetExtraGCRoots(mJSRuntime, TraceJS, this);
mWatchdogWakeup = JS_NEW_CONDVAR(mJSRuntime->gcLock);
mJSRuntime->setCustomGCChunkAllocator(&gXPCJSChunkAllocator);
NS_RegisterMemoryReporter(new NS_MEMORY_REPORTER_NAME(XPConnectJSRuntimeGCChunks));
}
if(!JS_DHashTableInit(&mJSHolders, JS_DHashGetStubOps(), nsnull,
sizeof(ObjectHolder), 512))
mJSHolders.ops = nsnull;
// Install a JavaScript 'debugger' keyword handler in debug builds only
#ifdef DEBUG
if(mJSRuntime && !JS_GetGlobalDebugHooks(mJSRuntime)->debuggerHandler)
xpc_InstallJSDebuggerKeywordHandler(mJSRuntime);
#endif
if (mWatchdogWakeup) {
AutoLockJSGC lock(mJSRuntime);
mWatchdogThread = PR_CreateThread(PR_USER_THREAD, WatchdogMain, this,
PR_PRIORITY_NORMAL, PR_LOCAL_THREAD,
PR_UNJOINABLE_THREAD, 0);
}
}
/* static */
void
nsDOMMemoryReporter::Init()
{
// The memory reporter manager is going to own this object.
NS_RegisterMemoryReporter(new nsDOMMemoryReporter());
}
