terminatePaused

Source/web/WebEmbeddedWorkerImpl.cpp

 /*
  * Copyright (C) 2013 Google Inc. All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions are
  * met:
  *
  *     * Redistributions of source code must retain the above copyright
  * notice, this list of conditions and the following disclaimer.
  *     * Redistributions in binary form must reproduce the above
@@ skipping 169 matching lines @@
     prepareShadowPageForLoader();
 }
 
 void WebEmbeddedWorkerImpl::terminateWorkerContext()
 {
     if (m_askedToTerminate)
         return;
     m_askedToTerminate = true;
     if (m_mainScriptLoader)
         m_mainScriptLoader->cancel();
+    if (m_pauseAfterDownloadState == IsPausedAfterDownload) {
+        // This may delete 'this'.
+        m_workerContextClient->workerContextFailedToStart();
+        return;
+    }
     if (m_workerThread)
         m_workerThread->stop();
 }
 
 namespace {
 
 void resumeWorkerContextTask(ExecutionContext* context, bool)
 {
     toWorkerGlobalScope(context)->workerInspectorController()->resume();
 }
@@ skipping 17 matching lines @@
 
 void dispatchOnInspectorBackendTask(ExecutionContext* context, const String& message)
 {
     toWorkerGlobalScope(context)->workerInspectorController()->dispatchMessageFromFrontend(message);
 }
 
 } // namespace
 
 void WebEmbeddedWorkerImpl::resumeAfterDownload()
 {
+    ASSERT(!m_askedToTerminate);
     bool wasPaused = (m_pauseAfterDownloadState == IsPausedAfterDownload);
     m_pauseAfterDownloadState = DontPauseAfterDownload;
     if (wasPaused)
         startWorkerThread();
 }
 
 void WebEmbeddedWorkerImpl::resumeWorkerContext()
 {
     if (m_workerThread)
         m_workerThread->runLoop().postDebuggerTask(createCallbackTask(resumeWorkerContextTask, true));
@@ skipping 84 matching lines @@
         m_pauseAfterDownloadState = IsPausedAfterDownload;
         m_workerContextClient->didPauseAfterDownload();
         return;
     }
     startWorkerThread();
 }
 
 void WebEmbeddedWorkerImpl::startWorkerThread()
 {
     ASSERT(m_pauseAfterDownloadState == DontPauseAfterDownload);
-    if (m_askedToTerminate)
-        return;
+    ASSERT(!m_askedToTerminate);
 
     WorkerThreadStartMode startMode =
         (m_workerStartData.waitForDebuggerMode == WebEmbeddedWorkerStartData::WaitForDebugger)
         ? PauseWorkerGlobalScopeOnStart : DontPauseWorkerGlobalScopeOnStart;
 
     OwnPtrWillBeRawPtr<WorkerClients> workerClients = WorkerClients::create();
     providePermissionClientToWorker(workerClients.get(), m_permissionClient.release());
     provideServiceWorkerGlobalScopeClientToWorker(workerClients.get(), ServiceWorkerGlobalScopeClientImpl::create(*m_workerContextClient));
 
     OwnPtrWillBeRawPtr<WorkerThreadStartupData> startupData =
@@ skipping 10 matching lines @@
     m_mainScriptLoader.clear();
 
     m_workerGlobalScopeProxy = ServiceWorkerGlobalScopeProxy::create(*this, *toWebLocalFrameImpl(m_mainFrame)->frame()->document(), *m_workerContextClient);
     m_loaderProxy = LoaderProxy::create(*this);
 
     m_workerThread = ServiceWorkerThread::create(*m_loaderProxy, *m_workerGlobalScopeProxy, startupData.release());
     m_workerThread->start();
 }
 
 } // namespace blink