void WorkerThread::workerThread()
{
{
MutexLocker lock(m_threadCreationMutex);
m_workerContext = createWorkerContext(m_startupData->m_scriptURL, m_startupData->m_userAgent, m_startupData->m_groupSettings.release(), m_startupData->m_contentSecurityPolicy, m_startupData->m_contentSecurityPolicyType, m_startupData->m_topOrigin.release());
if (m_runLoop.terminated()) {
// The worker was terminated before the thread had a chance to run. Since the context didn't exist yet,
// forbidExecution() couldn't be called from stop().
m_workerContext->script()->forbidExecution();
}
}
#if PLATFORM(CHROMIUM)
// The corresponding call to didStopWorkerRunLoop is in
// ~WorkerScriptController.
WebKit::Platform::current()->didStartWorkerRunLoop(WebKit::WebWorkerRunLoop(&m_runLoop));
#endif
WorkerScriptController* script = m_workerContext->script();
#if ENABLE(INSPECTOR)
InspectorInstrumentation::willEvaluateWorkerScript(workerContext(), m_startupData->m_startMode);
#endif
script->evaluate(ScriptSourceCode(m_startupData->m_sourceCode, m_startupData->m_scriptURL));
// Free the startup data to cause its member variable deref's happen on the worker's thread (since
// all ref/derefs of these objects are happening on the thread at this point). Note that
// WorkerThread::~WorkerThread happens on a different thread where it was created.
m_startupData.clear();
runEventLoop();
ThreadIdentifier threadID = m_threadID;
ASSERT(m_workerContext->hasOneRef());
// The below assignment will destroy the context, which will in turn notify messaging proxy.
// We cannot let any objects survive past thread exit, because no other thread will run GC or otherwise destroy them.
m_workerContext = 0;
// Clean up WebCore::ThreadGlobalData before WTF::WTFThreadData goes away!
threadGlobalData().destroy();
// The thread object may be already destroyed from notification now, don't try to access "this".
detachThread(threadID);
}
void* WorkerThread::workerThread()
{
{
MutexLocker lock(m_threadCreationMutex);
m_workerContext = createWorkerContext(m_startupData->m_scriptURL, m_startupData->m_userAgent);
if (m_runLoop.terminated()) {
// The worker was terminated before the thread had a chance to run. Since the context didn't exist yet,
// forbidExecution() couldn't be called from stop().
m_workerContext->script()->forbidExecution();
}
}
WorkerScriptController* script = m_workerContext->script();
InspectorInstrumentation::willEvaluateWorkerScript(workerContext(), m_startupData->m_startMode);
script->evaluate(ScriptSourceCode(m_startupData->m_sourceCode, m_startupData->m_scriptURL));
// Free the startup data to cause its member variable deref's happen on the worker's thread (since
// all ref/derefs of these objects are happening on the thread at this point). Note that
// WorkerThread::~WorkerThread happens on a different thread where it was created.
m_startupData.clear();
runEventLoop();
ThreadIdentifier threadID = m_threadID;
ASSERT(m_workerContext->hasOneRef());
// The below assignment will destroy the context, which will in turn notify messaging proxy.
// We cannot let any objects survive past thread exit, because no other thread will run GC or otherwise destroy them.
m_workerContext = 0;
// Clean up WebCore::ThreadGlobalData before WTF::WTFThreadData goes away!
threadGlobalData().destroy();
// The thread object may be already destroyed from notification now, don't try to access "this".
detachThread(threadID);
return 0;
}
void DedicatedWorkerThread::runEventLoop()
{
// Notify the parent object of our current active state before calling the superclass to run the event loop.
m_workerObjectProxy.reportPendingActivity(workerContext()->hasPendingActivity());
WorkerThread::runEventLoop();
}
