[Webkit-unassigned] [Bug 53211] Need a way to spin a message loop while waiting for a reply to a synchronous CoreIPC message
bugzilla-daemon at webkit.org
bugzilla-daemon at webkit.org
Mon Jan 31 10:03:44 PST 2011
https://bugs.webkit.org/show_bug.cgi?id=53211
Adam Roben (aroben) <aroben at apple.com> changed:
What |Removed |Added
----------------------------------------------------------------------------
Summary|Need a way to spin a run |Need a way to spin a
|loop while waiting for a |message loop while waiting
|reply to a synchronous |for a reply to a
|CoreIPC message |synchronous CoreIPC message
--- Comment #4 from Adam Roben (aroben) <aroben at apple.com> 2011-01-31 10:03:44 PST ---
(In reply to comment #3)
> (From update of attachment 80650 [details])
> View in context: https://bugs.webkit.org/attachment.cgi?id=80650&action=review
>
> > Source/WebKit2/Platform/CoreIPC/Connection.h:261
> > + bool m_isWaitingForSyncReply;
> > + bool m_shouldDispatchMessagesAfterReceivingSyncReply;
>
> These members were added to try to fix an assertion I was hitting in Connection::processIncomingMessage:
>
> ASSERT(pendingSyncReply.syncRequestID == arguments->destinationID());
>
> However, the assertion still seems to happen in some cases (e.g., when loading cuteoverload.com).
Here's the backtrace on the main thread when that assertion fails on the Connection's WorkQueue. I guess we need to defer loading or something?
ntdll.dll!_ZwWaitForMultipleObjects at 20() + 0x15 bytes
ntdll.dll!_ZwWaitForMultipleObjects at 20() + 0x15 bytes
kernel32.dll!_WaitForMultipleObjectsExImplementation at 20() + 0x8e bytes
kernel32.dll!_WaitForMultipleObjectsExImplementation at 20() + 0x8e bytes
user32.dll!_RealMsgWaitForMultipleObjectsEx at 20() + 0xe2 bytes
> WebKit.dll!RunLoop::runUntil(const CoreIPC::BinarySemaphore * semaphore=0x00630c0c, double absoluteTime=11296496739.844786) Line 85 + 0x32 bytes C++
WebKit.dll!CoreIPC::Connection::waitForSyncReply(unsigned __int64 syncRequestID=16, double timeout=10000000000.000000) Line 269 + 0x17 bytes C++
WebKit.dll!CoreIPC::Connection::sendSyncMessage(CoreIPC::MessageID messageID={...}, unsigned __int64 syncRequestID=16, WTF::PassOwnPtr<CoreIPC::ArgumentEncoder> encoder={...}, double timeout=10000000000.000000) Line 203 + 0x1d bytes C++
WebKit.dll!CoreIPC::Connection::sendSync<Messages::WebPageProxy::DecidePolicyForMIMEType>(const Messages::WebPageProxy::DecidePolicyForMIMEType & message={...}, const CoreIPC::Arguments3<bool &,unsigned __int64 &,unsigned __int64 &> & reply={...}, unsigned __int64 destinationID=1, double timeout=10000000000.000000) Line 323 + 0x36 bytes C++
WebKit.dll!CoreIPC::MessageSender<WebKit::WebPage>::sendSync<Messages::WebPageProxy::DecidePolicyForMIMEType>(const Messages::WebPageProxy::DecidePolicyForMIMEType & message={...}, const CoreIPC::Arguments3<bool &,unsigned __int64 &,unsigned __int64 &> & reply={...}, unsigned __int64 destinationID=1, double timeout=10000000000.000000) Line 68 C++
WebKit.dll!CoreIPC::MessageSender<WebKit::WebPage>::sendSync<Messages::WebPageProxy::DecidePolicyForMIMEType>(const Messages::WebPageProxy::DecidePolicyForMIMEType & message={...}, const CoreIPC::Arguments3<bool &,unsigned __int64 &,unsigned __int64 &> & reply={...}, double timeout=10000000000.000000) Line 60 C++
WebKit.dll!WebKit::WebFrameLoaderClient::dispatchDecidePolicyForMIMEType(void (WebCore::PolicyAction)* function=0x5b886730, const WTF::String & MIMEType={...}, const WebCore::ResourceRequest & request={...}) Line 627 + 0x91 bytes C++
WebKit.dll!WebCore::PolicyChecker::checkContentPolicy(const WTF::String & MIMEType={...}, void (void *, WebCore::PolicyAction)* function=0x5b9e14f0, void * argument=0x0407fb08) Line 104 + 0x48 bytes C++
WebKit.dll!WebCore::MainResourceLoader::didReceiveResponse(const WebCore::ResourceResponse & r={...}) Line 408 C++
WebKit.dll!WebCore::ResourceLoader::didReceiveResponse(WebCore::ResourceHandle * __formal=0x057b7098, const WebCore::ResourceResponse & response={...}) Line 422 + 0x13 bytes C++
WebKit.dll!WebCore::didReceiveResponse(_CFURLConnection * conn=0x03c5de68, _CFURLResponse * cfResponse=0x03b36f30, const void * clientInfo=0x057b7098) Line 199 + 0x3d bytes C++
CFNetwork.dll!URLConnectionClient::_clientSendDidReceiveResponse(_CFURLResponse * response=0x03b36f30, URLConnectionClient::ClientConnectionEventQueue * preQ=0x0035e5e8) Line 1128 + 0x2f bytes C++
CFNetwork.dll!URLConnectionClient::ClientConnectionEventQueue::processAllEventsAndConsumePayload(XConnectionEventInfo<enum XClientEvent,XClientEventParams> * e=0x0035e768, long count=3) Line 2154 C++
CFNetwork.dll!URLConnectionClient::ClientConnectionEventQueue::processAllEventsAndConsumePayload(XConnectionEventInfo<enum XClientEvent,XClientEventParams> * e=0x0035e900, long count=3) Line 2192 + 0x19 bytes C++
CFNetwork.dll!URLConnectionClient::ClientConnectionEventQueue::processAllEventsAndConsumePayload(XConnectionEventInfo<enum XClientEvent,XClientEventParams> * e=0x0035ea5c, long count=1) Line 2192 + 0x19 bytes C++
CFNetwork.dll!URLConnectionClient::ClientConnectionEventQueue::processAllEventsAndConsumePayload(XConnectionEventInfo<enum XClientEvent,XClientEventParams> * e=0x0035ebd0, long count=1) Line 2192 + 0x19 bytes C++
CFNetwork.dll!URLConnectionClient::ClientConnectionEventQueue::processAllEventsAndConsumePayload(XConnectionEventInfo<enum XClientEvent,XClientEventParams> * e=0x0035ed44, long count=1) Line 2192 + 0x19 bytes C++
CFNetwork.dll!URLConnectionClient::ClientConnectionEventQueue::processAllEventsAndConsumePayload(XConnectionEventInfo<enum XClientEvent,XClientEventParams> * e=0x03ad20e0, long count=1) Line 2192 + 0x19 bytes C++
CFNetwork.dll!URLConnectionClient::processEvents() Line 330 + 0x21 bytes C++
CFNetwork.dll!URLConnectionWndProc(HWND__ * hWnd=0x0006038c, unsigned int message=1231, unsigned int wParam=63299176, long lParam=0) Line 107 C++
user32.dll!_InternalCallWinProc at 20() + 0x23 bytes
user32.dll!_UserCallWinProcCheckWow at 32() + 0xb7 bytes
user32.dll!_DispatchMessageWorker at 8() + 0xed bytes
user32.dll!_DispatchMessageW at 4() + 0xf bytes
WebKit.dll!RunLoop::runUntil(const CoreIPC::BinarySemaphore * semaphore=0x00630c0c, double absoluteTime=11296496739.844482) Line 99 + 0xc bytes C++
WebKit.dll!CoreIPC::Connection::waitForSyncReply(unsigned __int64 syncRequestID=15, double timeout=10000000000.000000) Line 269 + 0x17 bytes C++
WebKit.dll!CoreIPC::Connection::sendSyncMessage(CoreIPC::MessageID messageID={...}, unsigned __int64 syncRequestID=15, WTF::PassOwnPtr<CoreIPC::ArgumentEncoder> encoder={...}, double timeout=10000000000.000000) Line 203 + 0x1d bytes C++
WebKit.dll!CoreIPC::Connection::sendSync<Messages::WebPageProxy::CanRunBeforeUnloadConfirmPanel>(const Messages::WebPageProxy::CanRunBeforeUnloadConfirmPanel & message={...}, const CoreIPC::Arguments1<bool &> & reply={...}, unsigned __int64 destinationID=1, double timeout=10000000000.000000) Line 323 + 0x36 bytes C++
WebKit.dll!WebKit::WebChromeClient::canRunBeforeUnloadConfirmPanel() Line 254 + 0x76 bytes C++
WebKit.dll!WebCore::Chrome::canRunBeforeUnloadConfirmPanel() Line 266 + 0x17 bytes C++
WebKit.dll!WebCore::FrameLoader::shouldClose() Line 2878 + 0xe bytes C++
WebKit.dll!WebCore::FrameLoader::continueLoadAfterNavigationPolicy(const WebCore::ResourceRequest & __formal={...}, WTF::PassRefPtr<WebCore::FormState> formState={...}, bool shouldContinue=true) Line 2943 + 0x10 bytes C++
WebKit.dll!WebCore::FrameLoader::callContinueLoadAfterNavigationPolicy(void * argument=0x03ad2720, const WebCore::ResourceRequest & request={...}, WTF::PassRefPtr<WebCore::FormState> formState={...}, bool shouldContinue=true) Line 2872 C++
WebKit.dll!WebCore::PolicyCallback::call(bool shouldContinue=true) Line 102 + 0x34 bytes C++
WebKit.dll!WebCore::PolicyChecker::continueAfterNavigationPolicy(WebCore::PolicyAction policy=PolicyUse) Line 161 C++
WebKit.dll!WebKit::WebFrame::didReceivePolicyDecision(unsigned __int64 listenerID=10, WebCore::PolicyAction action=PolicyUse, unsigned __int64 downloadID=0) Line 213 + 0x1d bytes C++
WebKit.dll!WebKit::WebPage::didReceivePolicyDecision(unsigned __int64 frameID=6, unsigned __int64 listenerID=10, unsigned int policyAction=0, unsigned __int64 downloadID=0) Line 1100 C++
WebKit.dll!CoreIPC::callMemberFunction<WebKit::WebPage,void (__thiscall WebKit::WebPage::*)(unsigned __int64,unsigned __int64,unsigned int,unsigned __int64),unsigned __int64,unsigned __int64,unsigned int,unsigned __int64>(const CoreIPC::Arguments4<unsigned __int64,unsigned __int64,unsigned int,unsigned __int64> & args={...}, WebKit::WebPage * object=0x00631608, void (unsigned __int64, unsigned __int64, unsigned int, unsigned __int64)* function=0x5ae323b0) Line 37 + 0x32 bytes C++
WebKit.dll!CoreIPC::handleMessage<Messages::WebPage::DidReceivePolicyDecision,WebKit::WebPage,void (__thiscall WebKit::WebPage::*)(unsigned __int64,unsigned __int64,unsigned int,unsigned __int64)>(CoreIPC::ArgumentDecoder * argumentDecoder=0x040e5ed8, WebKit::WebPage * object=0x00631608, void (unsigned __int64, unsigned __int64, unsigned int, unsigned __int64)* function=0x5ae323b0) Line 222 + 0x15 bytes C++
WebKit.dll!WebKit::WebPage::didReceiveWebPageMessage(CoreIPC::Connection * __formal=0x00630a88, CoreIPC::MessageID messageID={...}, CoreIPC::ArgumentDecoder * arguments=0x040e5ed8) Line 124 + 0x2f bytes C++
WebKit.dll!WebKit::WebPage::didReceiveMessage(CoreIPC::Connection * connection=0x00630a88, CoreIPC::MessageID messageID={...}, CoreIPC::ArgumentDecoder * arguments=0x040e5ed8) Line 1652 C++
WebKit.dll!WebKit::WebProcess::didReceiveMessage(CoreIPC::Connection * connection=0x00630a88, CoreIPC::MessageID messageID={...}, CoreIPC::ArgumentDecoder * arguments=0x040e5ed8) Line 537 C++
WebKit.dll!CoreIPC::Connection::dispatchMessages() Line 455 + 0x31 bytes C++
WebKit.dll!MemberFunctionWorkItem0<CoreIPC::Connection>::execute() Line 76 + 0x10 bytes C++
WebKit.dll!RunLoop::performWork() Line 63 + 0x1a bytes C++
WebKit.dll!RunLoop::wndProc(HWND__ * hWnd=0x0002039c, unsigned int message=1025, unsigned int wParam=6360784, long lParam=0) Line 61 C++
WebKit.dll!RunLoop::RunLoopWndProc(HWND__ * hWnd=0x0002039c, unsigned int message=1025, unsigned int wParam=6360784, long lParam=0) Line 43 + 0x18 bytes C++
user32.dll!_InternalCallWinProc at 20() + 0x23 bytes
user32.dll!_UserCallWinProcCheckWow at 32() + 0xb7 bytes
user32.dll!_DispatchMessageWorker at 8() + 0xed bytes
user32.dll!_DispatchMessageW at 4() + 0xf bytes
WebKit.dll!RunLoop::runUntil(const CoreIPC::BinarySemaphore * semaphore=0x00000000, double absoluteTime=1.7976931348623157e+308) Line 99 + 0xc bytes C++
WebKit.dll!RunLoop::run() Line 72 + 0x1c bytes C++
WebKit.dll!WebKit::WebProcessMain(const WebKit::CommandLine & commandLine={...}) Line 82 C++
WebKit.dll!WebKitMain(const WebKit::CommandLine & commandLine={...}) Line 48 + 0x9 bytes C++
WebKit.dll!WebKitMain(HINSTANCE__ * hInstance=0x01070000, HINSTANCE__ * hPrevInstance=0x00000000, wchar_t * lpstrCmdLine=0x00402768, int nCmdShow=10) Line 172 + 0x9 bytes C++
WebKit2WebProcess.exe!wWinMain(HINSTANCE__ * hInstance=0x01070000, HINSTANCE__ * hPrevInstance=0x00000000, wchar_t * lpstrCmdLine=0x00402768, int nCmdShow=10) Line 44 + 0x18 bytes C++
WebKit2WebProcess.exe!__tmainCRTStartup() Line 589 + 0x1c bytes C
kernel32.dll!@BaseThreadInitThunk at 12() + 0x12 bytes
ntdll.dll!___RtlUserThreadStart at 8() + 0x27 bytes
ntdll.dll!__RtlUserThreadStart at 8() + 0x1b bytes
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