gboolean purpleDNS::Resolve(PurpleDnsQueryData *query_data,
PurpleDnsQueryResolvedCallback resolved_cb,
PurpleDnsQueryFailedCallback failed_cb)
{
NS_ENSURE_TRUE(!NS_IsOffline(), false);
nsCString host(purple_dnsquery_get_host(query_data));
LOG(("Resolving with moz: %s", host.get()));
NS_ENSURE_TRUE(sRequests, false);
nsCOMPtr<nsIDNSService> dns = do_GetService("@mozilla.org/network/dns-service;1");
nsCOMPtr<nsIDNSRecord> record;
nsCOMPtr<nsICancelable> cancelable;
nsCOMPtr<nsIThread> thread = do_GetMainThread();
nsCOMPtr<purpleDNSRequest> listener;
listener = new purpleDNSRequest();
listener->mAccountId = purpleAccountScoper::GetCurrentAccountId();
listener->query_data = query_data;
listener->resolved_cb = resolved_cb;
listener->failed_cb = failed_cb;
nsresult rv = dns->AsyncResolve(host, 0, listener, thread,
getter_AddRefs(listener->asyncResolv));
NS_ENSURE_SUCCESS(rv, false);// The request wasn't handled.
sRequests->AppendObject(listener);
return true; // We handle the request, libpurple shouldn't try to do it.
}
TemporaryRef<gfx::DataSourceSurface> GetDataSurfaceSafe() {
nsCOMPtr<nsIThread> mainThread = do_GetMainThread();
MOZ_ASSERT(mainThread);
SyncRunnable::DispatchToThread(mainThread, this, false);
return mDataSourceSurface.forget();
}
void
CrashReporterParent::FinalizeChildData()
{
MOZ_ASSERT(mInitialized);
if (NS_IsMainThread()) {
// Inline, this is the main thread. Get this done.
NotifyCrashService();
return;
}
nsCOMPtr<nsIThread> mainThread = do_GetMainThread();
class NotifyOnMainThread : public nsRunnable
{
public:
explicit NotifyOnMainThread(CrashReporterParent* aCR)
: mCR(aCR)
{ }
NS_IMETHOD Run() {
mCR->NotifyCrashService();
return NS_OK;
}
private:
CrashReporterParent* mCR;
};
SyncRunnable::DispatchToThread(mainThread, new NotifyOnMainThread(this));
}
nsresult
nsInputStreamPump::EnsureWaiting()
{
mMonitor.AssertCurrentThreadIn();
// no need to worry about multiple threads... an input stream pump lives
// on only one thread at a time.
MOZ_ASSERT(mAsyncStream);
if (!mWaitingForInputStreamReady && !mProcessingCallbacks) {
// Ensure OnStateStop is called on the main thread.
if (mState == STATE_STOP) {
nsCOMPtr<nsIThread> mainThread = do_GetMainThread();
if (mTargetThread != mainThread) {
mTargetThread = do_QueryInterface(mainThread);
}
}
MOZ_ASSERT(mTargetThread);
nsresult rv = mAsyncStream->AsyncWait(this, 0, 0, mTargetThread);
if (NS_FAILED(rv)) {
NS_ERROR("AsyncWait failed");
return rv;
}
// Any retargeting during STATE_START or START_TRANSFER is complete
// after the call to AsyncWait; next callback wil be on mTargetThread.
mRetargeting = false;
mWaitingForInputStreamReady = true;
}
return NS_OK;
}
void
CacheFileChunk::WaitForUpdate(CacheFileChunkListener *aCallback)
{
mFile->AssertOwnsLock();
LOG(("CacheFileChunk::WaitForUpdate() [this=%p, listener=%p]",
this, aCallback));
MOZ_ASSERT(mFile->mOutput);
MOZ_ASSERT(IsReady());
#ifdef DEBUG
for (uint32_t i = 0 ; i < mUpdateListeners.Length() ; i++) {
MOZ_ASSERT(mUpdateListeners[i]->mCallback != aCallback);
}
#endif
ChunkListenerItem *item = new ChunkListenerItem();
item->mTarget = CacheFileIOManager::IOTarget();
if (!item->mTarget) {
LOG(("CacheFileChunk::WaitForUpdate() - Cannot get Cache I/O thread! Using "
"main thread for callback."));
item->mTarget = do_GetMainThread();
}
item->mCallback = aCallback;
MOZ_ASSERT(item->mTarget);
item->mCallback = aCallback;
mUpdateListeners.AppendElement(item);
}
GMPParent*
GeckoMediaPluginServiceParent::ClonePlugin(const GMPParent* aOriginal)
{
MOZ_ASSERT(aOriginal);
// The GMPParent inherits from IToplevelProtocol, which must be created
// on the main thread to be threadsafe. See Bug 1035653.
nsRefPtr<CreateGMPParentTask> task(new CreateGMPParentTask());
if (!NS_IsMainThread()) {
nsCOMPtr<nsIThread> mainThread = do_GetMainThread();
MOZ_ASSERT(mainThread);
mozilla::SyncRunnable::DispatchToThread(mainThread, task);
}
nsRefPtr<GMPParent> gmp = task->GetParent();
nsresult rv = gmp->CloneFrom(aOriginal);
if (NS_FAILED(rv)) {
NS_WARNING("Can't Create GMPParent");
return nullptr;
}
MutexAutoLock lock(mMutex);
mPlugins.AppendElement(gmp);
return gmp.get();
}
void
PDMFactory::EnsureInit() const
{
{
StaticMutexAutoLock mon(sMonitor);
if (sInstance) {
// Quick exit if we already have an instance.
return;
}
if (NS_IsMainThread()) {
// On the main thread and holding the lock -> Create instance.
sInstance = new PDMFactoryImpl();
ClearOnShutdown(&sInstance);
return;
}
}
// Not on the main thread -> Sync-dispatch creation to main thread.
nsCOMPtr<nsIThread> mainThread = do_GetMainThread();
nsCOMPtr<nsIRunnable> runnable =
NS_NewRunnableFunction([]() {
StaticMutexAutoLock mon(sMonitor);
if (!sInstance) {
sInstance = new PDMFactoryImpl();
ClearOnShutdown(&sInstance);
}
});
SyncRunnable::DispatchToThread(mainThread, runnable);
}
void
GeckoMediaPluginServiceParent::AddOnGMPThread(const nsAString& aDirectory)
{
MOZ_ASSERT(NS_GetCurrentThread() == mGMPThread);
LOGD(("%s::%s: %s", __CLASS__, __FUNCTION__, NS_LossyConvertUTF16toASCII(aDirectory).get()));
nsCOMPtr<nsIFile> directory;
nsresult rv = NS_NewLocalFile(aDirectory, false, getter_AddRefs(directory));
if (NS_WARN_IF(NS_FAILED(rv))) {
return;
}
// The GMPParent inherits from IToplevelProtocol, which must be created
// on the main thread to be threadsafe. See Bug 1035653.
nsRefPtr<CreateGMPParentTask> task(new CreateGMPParentTask());
nsCOMPtr<nsIThread> mainThread = do_GetMainThread();
MOZ_ASSERT(mainThread);
mozilla::SyncRunnable::DispatchToThread(mainThread, task);
nsRefPtr<GMPParent> gmp = task->GetParent();
rv = gmp ? gmp->Init(this, directory) : NS_ERROR_NOT_AVAILABLE;
if (NS_FAILED(rv)) {
NS_WARNING("Can't Create GMPParent");
return;
}
{
MutexAutoLock lock(mMutex);
mPlugins.AppendElement(gmp);
}
NS_DispatchToMainThread(new NotifyObserversTask("gmp-path-added"), NS_DISPATCH_NORMAL);
}
void FileBlockCache::Close()
{
NS_ASSERTION(NS_IsMainThread(), "Only call on main thread");
MonitorAutoLock mon(mDataMonitor);
mIsOpen = false;
if (mThread) {
// We must shut down the thread in another runnable. This is called
// while we're shutting down the media cache, and nsIThread::Shutdown()
// can cause events to run before it completes, which could end up
// opening more streams, while the media cache is shutting down and
// releasing memory etc! Also note we close mFD in the destructor so
// as to not disturb any IO that's currently running.
nsCOMPtr<nsIThread> mainThread = do_GetMainThread();
if (mainThread) {
nsCOMPtr<nsIRunnable> event = new ShutdownThreadEvent(mThread);
mainThread->Dispatch(event.forget(), NS_DISPATCH_NORMAL);
} else {
// we're on Mainthread already, *and* the event queues are already
// shut down, so no events should occur - certainly not creations of
// new streams.
mThread->Shutdown();
}
}
}
bool
WorkerRunnable::DispatchInternal()
{
nsRefPtr<WorkerRunnable> runnable(this);
if (mBehavior == WorkerThreadModifyBusyCount ||
mBehavior == WorkerThreadUnchangedBusyCount) {
if (IsDebuggerRunnable()) {
return NS_SUCCEEDED(mWorkerPrivate->DispatchDebuggerRunnable(runnable.forget()));
} else {
return NS_SUCCEEDED(mWorkerPrivate->Dispatch(runnable.forget()));
}
}
MOZ_ASSERT(mBehavior == ParentThreadUnchangedBusyCount);
if (WorkerPrivate* parent = mWorkerPrivate->GetParent()) {
return NS_SUCCEEDED(parent->Dispatch(runnable.forget()));
}
nsCOMPtr<nsIThread> mainThread = do_GetMainThread();
MOZ_ASSERT(mainThread);
return NS_SUCCEEDED(mainThread->Dispatch(runnable.forget(), NS_DISPATCH_NORMAL));
}
void
CacheFileOutputStream::NotifyListener()
{
mFile->AssertOwnsLock();
LOG(("CacheFileOutputStream::NotifyListener() [this=%p]", this));
MOZ_ASSERT(mCallback);
if (!mCallbackTarget) {
mCallbackTarget = CacheFileIOManager::IOTarget();
if (!mCallbackTarget) {
LOG(("CacheFileOutputStream::NotifyListener() - Cannot get Cache I/O "
"thread! Using main thread for callback."));
mCallbackTarget = do_GetMainThread();
}
}
nsCOMPtr<nsIOutputStreamCallback> asyncCallback =
NS_NewOutputStreamReadyEvent(mCallback, mCallbackTarget);
mCallback = nullptr;
mCallbackTarget = nullptr;
asyncCallback->OnOutputStreamReady(this);
}
void
ReadbackManagerD3D11::ProcessTasks()
{
HANDLE handles[] = { mTaskSemaphore, mShutdownEvent };
while (true) {
DWORD result = ::WaitForMultipleObjects(2, handles, FALSE, INFINITE);
if (result != WAIT_OBJECT_0) {
return;
}
::EnterCriticalSection(&mTaskMutex);
if (mPendingReadbackTasks.Length() == 0) {
NS_RUNTIMEABORT("Trying to read from an empty array, bad bad bad");
}
ReadbackTask *nextReadbackTask = mPendingReadbackTasks[0].forget();
mPendingReadbackTasks.RemoveElementAt(0);
::LeaveCriticalSection(&mTaskMutex);
// We want to block here until the texture contents are available, the
// easiest thing is to simply map and unmap.
D3D10_MAPPED_TEXTURE2D mappedTex;
nextReadbackTask->mReadbackTexture->Map(0, D3D10_MAP_READ, 0, &mappedTex);
nextReadbackTask->mReadbackTexture->Unmap(0);
// We can only send the update to the sink on the main thread, so post an
// event there to do so. Ownership of the task is passed from
// mPendingReadbackTasks to ReadbackResultWriter here.
nsCOMPtr<nsIThread> thread = do_GetMainThread();
thread->Dispatch(new ReadbackResultWriterD3D11(nextReadbackTask),
nsIEventTarget::DISPATCH_NORMAL);
}
}
void
DecodedStream::Start(int64_t aStartTime, const MediaInfo& aInfo)
{
AssertOwnerThread();
MOZ_ASSERT(mStartTime.isNothing(), "playback already started.");
mStartTime.emplace(aStartTime);
mInfo = aInfo;
mPlaying = true;
ConnectListener();
class R : public Runnable {
typedef MozPromiseHolder<GenericPromise> Promise;
public:
R(PlaybackInfoInit&& aInit, Promise&& aPromise, OutputStreamManager* aManager)
: mInit(Move(aInit)), mOutputStreamManager(aManager)
{
mPromise = Move(aPromise);
}
NS_IMETHOD Run() override
{
MOZ_ASSERT(NS_IsMainThread());
// No need to create a source stream when there are no output streams. This
// happens when RemoveOutput() is called immediately after StartPlayback().
if (!mOutputStreamManager->Graph()) {
// Resolve the promise to indicate the end of playback.
mPromise.Resolve(true, __func__);
return NS_OK;
}
mData = MakeUnique<DecodedStreamData>(
mOutputStreamManager, Move(mInit), Move(mPromise));
return NS_OK;
}
UniquePtr<DecodedStreamData> ReleaseData()
{
return Move(mData);
}
private:
PlaybackInfoInit mInit;
Promise mPromise;
RefPtr<OutputStreamManager> mOutputStreamManager;
UniquePtr<DecodedStreamData> mData;
};
MozPromiseHolder<GenericPromise> promise;
mFinishPromise = promise.Ensure(__func__);
PlaybackInfoInit init {
aStartTime, aInfo
};
nsCOMPtr<nsIRunnable> r = new R(Move(init), Move(promise), mOutputStreamManager);
nsCOMPtr<nsIThread> mainThread = do_GetMainThread();
SyncRunnable::DispatchToThread(mainThread, r);
mData = static_cast<R*>(r.get())->ReleaseData();
if (mData) {
mData->SetPlaying(mPlaying);
SendData();
}
}
~nsWyciwygAsyncEvent()
{
nsCOMPtr<nsIThread> thread = do_GetMainThread();
NS_WARN_IF_FALSE(thread, "Couldn't get the main thread!");
if (thread) {
nsIWyciwygChannel *chan = static_cast<nsIWyciwygChannel *>(mChannel);
mozilla::unused << mChannel.forget();
NS_ProxyRelease(thread, chan);
}
}
JavaXPCOMInstance::~JavaXPCOMInstance()
{
nsresult rv = NS_OK;
// Need to release these objects on the main thread.
nsCOMPtr<nsIThread> thread = do_GetMainThread();
if (thread) {
rv = NS_ProxyRelease(thread, mInstance);
rv |= NS_ProxyRelease(thread, mIInfo);
}
NS_ASSERTION(NS_SUCCEEDED(rv), "Failed to release using NS_ProxyRelease");
}
bool
CrashReporterParent::GenerateChildData(const AnnotationTable* processNotes)
{
MOZ_ASSERT(mInitialized);
nsAutoCString type;
switch (mProcessType) {
case GeckoProcessType_Content:
type = NS_LITERAL_CSTRING("content");
break;
case GeckoProcessType_Plugin:
case GeckoProcessType_GMPlugin:
type = NS_LITERAL_CSTRING("plugin");
break;
default:
NS_ERROR("unknown process type");
break;
}
mNotes.Put(NS_LITERAL_CSTRING("ProcessType"), type);
char startTime[32];
sprintf(startTime, "%lld", static_cast<long long>(mStartTime));
mNotes.Put(NS_LITERAL_CSTRING("StartupTime"), nsDependentCString(startTime));
if (!mAppNotes.IsEmpty())
mNotes.Put(NS_LITERAL_CSTRING("Notes"), mAppNotes);
bool ret = CrashReporter::AppendExtraData(mChildDumpID, mNotes);
if (ret && processNotes)
ret = CrashReporter::AppendExtraData(mChildDumpID, *processNotes);
if (!ret)
NS_WARNING("problem appending child data to .extra");
nsCOMPtr<nsIThread> mainThread = do_GetMainThread();
class NotifyOnMainThread : public nsRunnable
{
public:
NotifyOnMainThread(CrashReporterParent* aCR)
: mCR(aCR)
{ }
NS_IMETHOD Run() {
mCR->NotifyCrashService();
return NS_OK;
}
private:
CrashReporterParent* mCR;
};
SyncRunnable::DispatchToThread(mainThread, new NotifyOnMainThread(this));
return ret;
}
void HRTFDatabaseLoader::ProxyRelease()
{
nsCOMPtr<nsIThread> mainThread = do_GetMainThread();
if (MOZ_LIKELY(mainThread)) {
RefPtr<ProxyReleaseEvent> event = new ProxyReleaseEvent(this);
DebugOnly<nsresult> rv =
mainThread->Dispatch(event, NS_DISPATCH_NORMAL);
MOZ_ASSERT(NS_SUCCEEDED(rv), "Failed to dispatch release event");
} else {
// Should be in XPCOM shutdown.
MOZ_ASSERT(NS_IsMainThread(),
"Main thread is not available for dispatch.");
MainThreadRelease();
}
}
ManagerId::~ManagerId()
{
// If we're already on the main thread, then default destruction is fine
if (NS_IsMainThread()) {
return;
}
// Otherwise we need to proxy to main thread to do the release
// The PBackground worker thread shouldn't be running after the main thread
// is stopped. So main thread is guaranteed to exist here.
nsCOMPtr<nsIThread> mainThread = do_GetMainThread();
MOZ_ASSERT(mainThread);
NS_ProxyRelease(mainThread, mPrincipal.forget().take());
}
nsHTTPListener::~nsHTTPListener()
{
if (mResponsibleForDoneSignal)
send_done_signal();
if (mCondition)
PR_DestroyCondVar(mCondition);
if (mLock)
PR_DestroyLock(mLock);
if (mLoader) {
nsCOMPtr<nsIThread> mainThread(do_GetMainThread());
NS_ProxyRelease(mainThread, mLoader);
}
}
nsrefcnt
nsXPCWrappedJS::Release(void)
{
NS_PRECONDITION(0 != mRefCnt, "dup release");
if (mMainThreadOnly && !NS_IsMainThread()) {
// We'd like to abort here, but this can happen if someone uses a proxy
// for the nsXPCWrappedJS.
nsCOMPtr<nsIThread> mainThread = do_GetMainThread();
// If we can't get the main thread anymore we just leak, but this really
// shouldn't happen.
NS_ASSERTION(mainThread,
"Can't get main thread, leaking nsXPCWrappedJS!");
if (mainThread) {
NS_ProxyRelease(mainThread,
static_cast<nsIXPConnectWrappedJS*>(this));
}
return mRefCnt;
}
// need to take the map lock here to prevent GetNewOrUsed from trying
// to reuse a wrapper on one thread while it's being destroyed on another
XPCJSRuntime* rt = nsXPConnect::GetRuntimeInstance();
XPCAutoLock lock(rt->GetMapLock());
do_decrement:
nsrefcnt cnt = NS_AtomicDecrementRefcnt(mRefCnt);
NS_LOG_RELEASE(this, cnt, "nsXPCWrappedJS");
if (0 == cnt) {
delete this; // also unlinks us from chain
return 0;
}
if (1 == cnt) {
if (IsValid())
RemoveFromRootSet(rt->GetMapLock());
// If we are not the root wrapper or if we are not being used from a
// weak reference, then this extra ref is not needed and we can let
// ourself be deleted.
// Note: HasWeakReferences() could only return true for the root.
if (!HasWeakReferences())
goto do_decrement;
}
return cnt;
}
/**
* Free all used memory and close stream.
*/
NS_IMETHODIMP
nsGIOInputStream::Close()
{
if (mStream)
{
g_object_unref(mStream);
mStream = nullptr;
}
if (mHandle)
{
g_object_unref(mHandle);
mHandle = nullptr;
}
if (mDirList)
{
// Destroy the list of GIOFileInfo objects...
g_list_foreach(mDirList, (GFunc) g_object_unref, nullptr);
g_list_free(mDirList);
mDirList = nullptr;
mDirListPtr = nullptr;
}
if (mChannel)
{
nsresult rv = NS_OK;
nsCOMPtr<nsIThread> thread = do_GetMainThread();
if (thread)
rv = NS_ProxyRelease(thread, mChannel);
NS_ASSERTION(thread && NS_SUCCEEDED(rv), "leaking channel reference");
mChannel = nullptr;
(void) rv;
}
mSpec.Truncate(); // free memory
// Prevent future reads from re-opening the handle.
if (NS_SUCCEEDED(mStatus))
mStatus = NS_BASE_STREAM_CLOSED;
return NS_OK;
}
JavaXPCOMInstance::~JavaXPCOMInstance()
{
nsresult rv = NS_OK;
#ifdef VBOX
nsCOMPtr<nsIEventQueue> eq = do_GetMainThreadQueue();
rv = NS_ProxyRelease(eq.get(), mInstance);
rv |= NS_ProxyRelease(eq.get(), mIInfo);
#else
// Need to release these objects on the main thread.
nsCOMPtr<nsIThread> thread = do_GetMainThread();
if (thread) {
rv = NS_ProxyRelease(thread, mInstance);
rv |= NS_ProxyRelease(thread, mIInfo);
}
#endif
NS_ASSERTION(NS_SUCCEEDED(rv), "Failed to release using NS_ProxyRelease");
}
NS_IMETHOD Run()
{
mDict->SyncLoad();
// Release the dictionary on the main thread
mozPersonalDictionary *dict;
mDict.forget(&dict);
nsCOMPtr<nsIThread> mainThread = do_GetMainThread();
if (mainThread) {
NS_ProxyRelease(mainThread, static_cast<mozIPersonalDictionary *>(dict));
} else {
// It's better to leak the dictionary than to release it on a wrong thread
NS_WARNING("Cannot get main thread, leaking mozPersonalDictionary.");
}
return NS_OK;
}
PGMPContentParent*
GMPServiceChild::AllocPGMPContentParent(Transport* aTransport,
ProcessId aOtherPid)
{
MOZ_ASSERT(!mContentParents.GetWeak(aOtherPid));
nsCOMPtr<nsIThread> mainThread = do_GetMainThread();
MOZ_ASSERT(mainThread);
nsRefPtr<GMPContentParent> parent = new GMPContentParent();
DebugOnly<bool> ok = parent->Open(aTransport, aOtherPid,
XRE_GetIOMessageLoop(),
mozilla::ipc::ParentSide);
MOZ_ASSERT(ok);
mContentParents.Put(aOtherPid, parent);
return parent;
}
// We store the records in files in the system temp dir.
static nsresult
GetGMPStorageDir(nsIFile** aTempDir, const nsString& aOrigin)
{
if (NS_WARN_IF(!aTempDir)) {
return NS_ERROR_INVALID_ARG;
}
// Directory service is main thread only...
nsRefPtr<GetTempDirTask> task = new GetTempDirTask();
nsCOMPtr<nsIThread> mainThread = do_GetMainThread();
mozilla::SyncRunnable::DispatchToThread(mainThread, task);
nsCOMPtr<nsIFile> tmpFile;
nsresult rv = NS_NewLocalFile(task->mPath, false, getter_AddRefs(tmpFile));
if (NS_WARN_IF(NS_FAILED(rv))) {
return rv;
}
rv = tmpFile->AppendNative(nsDependentCString("mozilla-gmp-storage"));
if (NS_WARN_IF(NS_FAILED(rv))) {
return rv;
}
// TODO: When aOrigin is the same node-id as the GMP sees in the child
// process (a UUID or somesuch), we can just append it un-hashed here.
// This should reduce the chance of hash collsions exposing data.
nsAutoString nodeIdHash;
nodeIdHash.AppendInt(HashString(static_cast<const char16_t*>(aOrigin.get())));
rv = tmpFile->Append(nodeIdHash);
if (NS_WARN_IF(NS_FAILED(rv))) {
return rv;
}
rv = tmpFile->Create(nsIFile::DIRECTORY_TYPE, 0700);
if (rv != NS_ERROR_FILE_ALREADY_EXISTS && NS_WARN_IF(NS_FAILED(rv))) {
return rv;
}
tmpFile.forget(aTempDir);
return NS_OK;
}
nsresult
nsDNSPrefetch::Prefetch(uint16_t flags)
{
if (mHostname.IsEmpty())
return NS_ERROR_NOT_AVAILABLE;
if (!sDNSService)
return NS_ERROR_NOT_AVAILABLE;
nsCOMPtr<nsICancelable> tmpOutstanding;
if (mStoreTiming)
mStartTimestamp = mozilla::TimeStamp::Now();
// If AsyncResolve fails, for example because prefetching is disabled,
// then our timing will be useless. However, in such a case,
// mEndTimestamp will be a null timestamp and callers should check
// TimingsValid() before using the timing.
nsCOMPtr<nsIThread> mainThread = do_GetMainThread();
return sDNSService->AsyncResolve(mHostname,
flags | nsIDNSService::RESOLVE_SPECULATE,
this, mainThread,
getter_AddRefs(tmpOutstanding));
}
NS_IMETHOD Run() override
{
nsresult res;
MOZ_ASSERT(!NS_IsMainThread());
{
mozilla::MonitorAutoLock mon(mDict->mMonitorSave);
nsCOMPtr<nsIOutputStream> outStream;
NS_NewSafeLocalFileOutputStream(getter_AddRefs(outStream), mFile,
PR_CREATE_FILE | PR_WRONLY | PR_TRUNCATE,
0664);
// Get a buffered output stream 4096 bytes big, to optimize writes.
nsCOMPtr<nsIOutputStream> bufferedOutputStream;
res = NS_NewBufferedOutputStream(getter_AddRefs(bufferedOutputStream),
outStream, 4096);
if (NS_FAILED(res)) {
return res;
}
uint32_t bytesWritten;
nsAutoCString utf8Key;
for (uint32_t i = 0; i < mDictWords.Length(); ++i) {
CopyUTF16toUTF8(mDictWords[i], utf8Key);
bufferedOutputStream->Write(utf8Key.get(), utf8Key.Length(),
&bytesWritten);
bufferedOutputStream->Write("\n", 1, &bytesWritten);
}
nsCOMPtr<nsISafeOutputStream> safeStream =
do_QueryInterface(bufferedOutputStream);
NS_ASSERTION(safeStream, "expected a safe output stream!");
if (safeStream) {
res = safeStream->Finish();
if (NS_FAILED(res)) {
NS_WARNING("failed to save personal dictionary file! possible data loss");
}
}
// Save is done, reset the state variable and notify those who are waiting.
mDict->mSavePending = false;
mon.Notify();
// Leaving the block where 'mon' was declared will call the destructor
// and unlock.
}
// Release the dictionary on the main thread.
mozPersonalDictionary *dict;
mDict.forget(&dict);
nsCOMPtr<nsIThread> mainThread = do_GetMainThread();
if (mainThread) {
NS_ProxyRelease(mainThread, static_cast<mozIPersonalDictionary *>(dict));
} else {
// It's better to leak the dictionary than to release it on a wrong thread.
NS_WARNING("Cannot get main thread, leaking mozPersonalDictionary.");
}
return NS_OK;
}
NS_IMETHODIMP
nsProxyObjectManager::GetProxyForObject(nsIEventTarget* aTarget,
REFNSIID aIID,
nsISupports* aObj,
PRInt32 proxyType,
void** aProxyObject)
{
NS_ENSURE_ARG_POINTER(aObj);
*aProxyObject = nsnull;
// handle special values
nsCOMPtr<nsIThread> thread;
if (aTarget == NS_PROXY_TO_CURRENT_THREAD) {
aTarget = NS_GetCurrentThread();
} else if (aTarget == NS_PROXY_TO_MAIN_THREAD) {
thread = do_GetMainThread();
aTarget = thread.get();
}
// check to see if the target is on our thread. If so, just return the
// real object.
if (!(proxyType & NS_PROXY_ASYNC) && !(proxyType & NS_PROXY_ALWAYS))
{
PRBool result;
aTarget->IsOnCurrentThread(&result);
if (result)
return aObj->QueryInterface(aIID, aProxyObject);
}
nsCOMPtr<nsISupports> realObj = do_QueryInterface(aObj);
// Make sure the object passed in is not a proxy; if it is, be nice and
// build the proxy for the real object.
nsCOMPtr<nsProxyObject> po = do_QueryInterface(aObj);
if (po) {
realObj = po->GetRealObject();
}
nsCOMPtr<nsISupports> realEQ = do_QueryInterface(aTarget);
nsProxyEventKey rootKey(realObj, realEQ, proxyType);
{
nsAutoLock lock(mProxyCreationLock);
nsProxyLockedRefPtr root =
(nsProxyObject*) mProxyObjectMap.Get(&rootKey);
if (root)
return root->LockedFind(aIID, aProxyObject);
}
// don't lock while creating the nsProxyObject
nsProxyObject *newRoot = new nsProxyObject(aTarget, proxyType, realObj);
if (!newRoot)
return NS_ERROR_OUT_OF_MEMORY;
// lock again, and check for a race putting into mProxyObjectMap
{
nsAutoLock lock(mProxyCreationLock);
nsProxyLockedRefPtr root =
(nsProxyObject*) mProxyObjectMap.Get(&rootKey);
if (root) {
delete newRoot;
return root->LockedFind(aIID, aProxyObject);
}
mProxyObjectMap.Put(&rootKey, newRoot);
nsProxyLockedRefPtr kungFuDeathGrip(newRoot);
return newRoot->LockedFind(aIID, aProxyObject);
}
}
TracerRunnable() {
mTracerLock = new Mutex("TracerRunnable");
mTracerCondVar = new CondVar(*mTracerLock, "TracerRunnable");
mMainThread = do_GetMainThread();
}
/* static */ void
CrashReporterHost::NotifyCrashService(GeckoProcessType aProcessType,
const nsString& aChildDumpID,
const AnnotationTable* aNotes)
{
if (!NS_IsMainThread()) {
RefPtr<Runnable> runnable = NS_NewRunnableFunction(
"ipc::CrashReporterHost::NotifyCrashService", [=]() -> void {
CrashReporterHost::NotifyCrashService(
aProcessType, aChildDumpID, aNotes);
});
RefPtr<nsIThread> mainThread = do_GetMainThread();
SyncRunnable::DispatchToThread(mainThread, runnable);
return;
}
MOZ_ASSERT(!aChildDumpID.IsEmpty());
nsCOMPtr<nsICrashService> crashService =
do_GetService("@mozilla.org/crashservice;1");
if (!crashService) {
return;
}
int32_t processType;
int32_t crashType = nsICrashService::CRASH_TYPE_CRASH;
nsCString telemetryKey;
switch (aProcessType) {
case GeckoProcessType_Content:
processType = nsICrashService::PROCESS_TYPE_CONTENT;
telemetryKey.AssignLiteral("content");
break;
case GeckoProcessType_Plugin: {
processType = nsICrashService::PROCESS_TYPE_PLUGIN;
telemetryKey.AssignLiteral("plugin");
nsAutoCString val;
if (aNotes->Get(NS_LITERAL_CSTRING("PluginHang"), &val) &&
val.EqualsLiteral("1")) {
crashType = nsICrashService::CRASH_TYPE_HANG;
telemetryKey.AssignLiteral("pluginhang");
}
break;
}
case GeckoProcessType_GMPlugin:
processType = nsICrashService::PROCESS_TYPE_GMPLUGIN;
telemetryKey.AssignLiteral("gmplugin");
break;
case GeckoProcessType_GPU:
processType = nsICrashService::PROCESS_TYPE_GPU;
telemetryKey.AssignLiteral("gpu");
break;
default:
NS_ERROR("unknown process type");
return;
}
nsCOMPtr<nsISupports> promise;
crashService->AddCrash(processType, crashType, aChildDumpID, getter_AddRefs(promise));
Telemetry::Accumulate(Telemetry::SUBPROCESS_CRASHES_WITH_DUMP, telemetryKey, 1);
}