void SynchronousResourceHandleCFURLConnectionDelegate::setupConnectionScheduling(CFURLConnectionRef connection)
{
#if PLATFORM(WIN)
CFURLConnectionScheduleWithCurrentMessageQueue(connection);
#elif PLATFORM(IOS)
CFURLConnectionScheduleWithRunLoop(connection, WebThreadRunLoop(), kCFRunLoopDefaultMode);
#else
CFURLConnectionScheduleWithRunLoop(connection, CFRunLoopGetCurrent(), kCFRunLoopDefaultMode);
#endif
CFURLConnectionScheduleDownloadWithRunLoop(connection, loaderRunLoop(), kCFRunLoopDefaultMode);
}
static CFRunLoopRef currentRunLoop()
{
#if PLATFORM(IOS)
// A race condition during WebView deallocation can lead to a crash if the layer sync run loop
// observer is added to the main run loop <rdar://problem/9798550>. However, for responsiveness,
// we still allow this, see <rdar://problem/7403328>. Since the race condition and subsequent
// crash are especially troublesome for iBooks, we never allow the observer to be added to the
// main run loop in iBooks.
if (applicationIsIBooksOnIOS())
return WebThreadRunLoop();
#endif
return CFRunLoopGetCurrent();
}
VM& commonVMSlow()
{
ASSERT(isMainThread());
ASSERT(!g_commonVMOrNull);
ScriptController::initializeThreading();
g_commonVMOrNull = &VM::createLeaked(LargeHeap).leakRef();
g_commonVMOrNull->heap.acquireAccess(); // At any time, we may do things that affect the GC.
#if !PLATFORM(IOS)
g_commonVMOrNull->setExclusiveThread(std::this_thread::get_id());
#else
g_commonVMOrNull->heap.setRunLoop(WebThreadRunLoop());
g_commonVMOrNull->heap.machineThreads().addCurrentThread();
#endif
g_commonVMOrNull->setGlobalConstRedeclarationShouldThrow(Settings::globalConstRedeclarationShouldThrow());
g_commonVMOrNull->heap.addMutatorShouldBeFencedCache(g_opaqueRootWriteBarrierEnabled);
initNormalWorldClientData(g_commonVMOrNull);
return *g_commonVMOrNull;
}
bool ResourceHandle::start(NetworkingContext* context)
{
if (!context)
return false;
// If NetworkingContext is invalid then we are no longer attached to a Page,
// this must be an attempted load from an unload handler, so let's just block it.
if (!context->isValid())
return false;
bool shouldUseCredentialStorage = !client() || client()->shouldUseCredentialStorage(this);
createCFURLConnection(shouldUseCredentialStorage, d->m_shouldContentSniff, client()->connectionProperties(this));
CFURLConnectionScheduleWithRunLoop(d->m_connection.get(), WebThreadRunLoop(), kCFRunLoopDefaultMode);
CFURLConnectionScheduleDownloadWithRunLoop(d->m_connection.get(), loaderRunLoop(), kCFRunLoopDefaultMode);
CFURLConnectionStart(d->m_connection.get());
LOG(Network, "CFNet - Starting URL %s (handle=%p, conn=%p)", firstRequest().url().string().utf8().data(), this, d->m_connection.get());
return true;
}