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Posted to dev@qpid.apache.org by "Cliff Jansen (JIRA)" <ji...@apache.org> on 2011/06/06 21:58:59 UTC

[jira] [Updated] (QPID-3256) Application which uses Qpid (in my case Excel) hangs on shutdown

     [ https://issues.apache.org/jira/browse/QPID-3256?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Cliff Jansen updated QPID-3256:
-------------------------------

    Attachment: qpid-3256.patch

> Application which uses Qpid (in my case Excel) hangs on shutdown
> ----------------------------------------------------------------
>
>                 Key: QPID-3256
>                 URL: https://issues.apache.org/jira/browse/QPID-3256
>             Project: Qpid
>          Issue Type: Bug
>          Components: C++ Client
>    Affects Versions: 0.8, 0.10
>         Environment: OS: Windows.
> Qpid is assembled as DLL. 
>            Reporter: Eugene
>            Assignee: Cliff Jansen
>         Attachments: qpid-3256.patch
>
>
> Hi All
> I encountered with strange behavior on shutdown when using qpid 0-8 and 0-10. 
> When I use qpid in standalone console-application everything is ok. But when I use qpid in DLL which is loaded into Excel (as RTD module), Excel hangs on shutdown. 
> I found out that in standalone application on shutdown I have next stack:
> 	qpidclientd.dll!qpid::client::`anonymous namespace'::IOThread::~IOThread()  Line 138	C++
>  	qpidclientd.dll!`qpid::client::`anonymous namespace'::theIO'::`2'::`dynamic atexit destructor for 'io''()  + 0xd bytes	C++
>  	qpidclientd.dll!_CRT_INIT(void * hDllHandle=0x60080000, unsigned long dwReason=0, void * lpreserved=0x00000001)  Line 449	C
>  	qpidclientd.dll!__DllMainCRTStartup(void * hDllHandle=0x60080000, unsigned long dwReason=0, void * lpreserved=0x00000001)  Line 560 + 0x11 bytes	C
>  	qpidclientd.dll!_DllMainCRTStartup(void * hDllHandle=0x60080000, unsigned long dwReason=0, void * lpreserved=0x00000001)  Line 510 + 0x11 bytes	C
>  	ntdll.dll!77b79960() 	
>  	[Frames below may be incorrect and/or missing, no symbols loaded for ntdll.dll]	
>  	ntdll.dll!77b9a516() 	
>  	ntdll.dll!77b9a3b8() 	
>  	kernel32.dll!77657363() 	
>  	msvcr90d.dll!__crtExitProcess(int status=0)  Line 732	C
>  	msvcr90d.dll!doexit(int code=0, int quick=0, int retcaller=0)  Line 644 + 0x9 bytes	C
>  	msvcr90d.dll!exit(int code=0)  Line 412 + 0xd bytes	C
>  	Test.exe!__tmainCRTStartup()  Line 599	C
>  	Test.exe!mainCRTStartup()  Line 403	C
>  	kernel32.dll!77653677() 	
>  	ntdll.dll!77b79f02() 	
>  	ntdll.dll!77b79ed5() 	
> And in this state all threads of application have been already terminated. The only thread is:
> 1	>	21720	Main Thread	Main Thread	qpid::client::`anonymous namespace'::IOThread::~IOThread	Normal	0
> so code from file ConnectionImpl.cpp works well:
> ~IOThread() {
>         std::vector<Thread> threads;
>         {
>             ScopedLock<Mutex> l(threadLock);
>             if (poller_)
>                 poller_->shutdown();
>             t.swap(threads);
>         }
>         for (std::vector<Thread>::iterator i = threads.begin(); i != threads.end(); ++i) {
>             i->join();
>         }
>     }
> BUT in Excel I get stack:
> qpidclientd.dll!qpid::client::`anonymous namespace'::IOThread::~IOThread()  Line 130	C++
>  	qpidclientd.dll!`qpid::client::`anonymous namespace'::theIO'::`2'::`dynamic atexit destructor for 'io''()  + 0xd bytes	C++
>  	qpidclientd.dll!_CRT_INIT(void * hDllHandle=0x07700000, unsigned long dwReason=0, void * lpreserved=0x00000000)  Line 449	C
>  	qpidclientd.dll!__DllMainCRTStartup(void * hDllHandle=0x07700000, unsigned long dwReason=0, void * lpreserved=0x00000000)  Line 560 + 0x11 bytes	C
>  	qpidclientd.dll!_DllMainCRTStartup(void * hDllHandle=0x07700000, unsigned long dwReason=0, void * lpreserved=0x00000000)  Line 510 + 0x11 bytes	C
>  	ntdll.dll!77b79960() 	
>  	[Frames below may be incorrect and/or missing, no symbols loaded for ntdll.dll]	
>  	ntdll.dll!77ba1525() 	
>  	ntdll.dll!77b81231() 	
>  	KernelBase.dll!77281da7() 	
>  	ole32.dll!75bb9562() 	
>  	ole32.dll!75bb9593() 	
>  	ole32.dll!75bb95a7() 	
>  	ole32.dll!75bb98bf() 	
>  	ole32.dll!75bb9805() 	
>  	ole32.dll!75bb9a8c() 	
>  	EXCEL.EXE!2f3811e9() 	
>  	EXCEL.EXE!2f6933e8() 	
>  	EXCEL.EXE!2f32a5af() 	
>  	EXCEL.EXE!2f34894a() 	
>  	EXCEL.EXE!2f670001() 	
>  	MSO.DLL!65bc6ed5() 	
>  	MSO.DLL!65c26a34() 	
>  	MSO.DLL!65c30305() 	
>  	MSO.DLL!65bc910c() 	
>  	MSO.DLL!65c4f420() 	
>  	MSO.DLL!65bbf161() 	
>  	comctl32.dll!7233463d() 	
>  	user32.dll!762971be() 	
>  	user32.dll!76297d31() 	
>  	user32.dll!76297dfa() 	
>  	EXCEL.EXE!2f324572() 	
>  	EXCEL.EXE!2f324534() 	
>  	EXCEL.EXE!2f324441() 	
>  	MSO.DLL!65b78116() 	
>  	MSO.DLL!65ba1fd0() 	
>  	EXCEL.EXE!2f30424b() 	
>  	msvcr90.dll!749936c5() 	
>  	msvcr90.dll!749938b3() 	
>  	msvcr90.dll!749938c5() 	
>  	msvcr90.dll!749ac40c() 	
>  	msvcr90.dll!749b028d() 	
>  	msvcr90.dll!749b04f3() 	
>  	EXCEL.EXE!2f303f0a() 	
>  	kernel32.dll!77653677() 	
>  	ntdll.dll!77b79f02() 	
>  	ntdll.dll!77b79ed5() 	
> And threads:
> 0	 	24016	Worker Thread	_threadstartex	_threadstartex	Normal	0
> 0	>	22928	Main Thread	Main Thread	qpid::client::`anonymous namespace'::IOThread::~IOThread	Normal	0
> 0	 	20224	RPC Thread	RPC Callback Thread	77b5fd21	Normal	0
> 0	 	16492	Worker Thread	Win32 Thread	77b61ed6	Normal	0
> 0	 	19948	Worker Thread	Win32 Thread	77b600ed	Normal	0
> 0	 	20524	Worker Thread	Win32 Thread	77b61ed6	Normal	0
> 0	 	20532	Worker Thread	Win32 Thread	77b5f861	Normal	0
> 0	 	21500	Worker Thread	Win32 Thread	77b5f861	Normal	0
> 0	 	21848	Worker Thread	Win32 Thread	77b61ed6	Normal	0
> 0	 	22152	Worker Thread	Win32 Thread	77b5f861	Normal	0
> 0	 	22164	Worker Thread	Win32 Thread	77b5f8e9	Normal	0
> 0	 	22300	Worker Thread	Win32 Thread	77b5f861	Normal	0
> 0	 	22360	Worker Thread	Win32 Thread	77b61ed6	Normal	0
> 0	 	23316	Worker Thread	Win32 Thread	77b5f861	Normal	0
> 0	 	23556	Worker Thread	Win32 Thread	77b5f8e9	Normal	0
> 0	 	23700	Worker Thread	Win32 Thread	77b5f861	Normal	0
> 0	 	23912	Worker Thread	Win32 Thread	77b5f8e9	Normal	0
> 0	 	24276	Worker Thread	Win32 Thread	77b5f861	Normal	0
> 0	 	24308	Worker Thread	Win32 Thread	77b5f861	Normal	0
> 0	 	24424	Worker Thread	Win32 Thread	77b600ed	Normal	0
> 0	 	24452	Worker Thread	Win32 Thread	77b5f8e9	Normal	0
> 0	 	24520	Worker Thread	Win32 Thread	77b61ed6	Normal	0
> As result this code (below) hangs application(Excel):
> ~IOThread() {
>         std::vector<Thread> threads;
>         {
>             ScopedLock<Mutex> l(threadLock);
>             if (poller_)
>                 poller_->shutdown();
>             t.swap(threads);
>         }
>         for (std::vector<Thread>::iterator i = threads.begin(); i != threads.end(); ++i) 
>         {
>             i->join();-- APPLICATION HANGS HERE !!!!
>         }
>     }
> I suppose it occurs because of qpid tries to wait of thread completing from _DllMainCRTStartup which is called with PROCESS_DETACH.
> To work around it I modified function IOThread::sub():
>    void sub() {
> 		std::vector<Thread> threads;
> 		{
>                   ScopedLock<Mutex> l(threadLock);
> 		  --connections; 
> 		
> 		  if (connections == 0){
> 			if (poller_){
> 				poller_->shutdown();
> 				poller_.reset();
> 				t.swap(threads);
> 			}
> 		  }
>                }
> 	       for (std::vector<Thread>::iterator i = threads.begin(); i != threads.end(); ++i) {
> 		 i->join();
> 	     }
>          }
> But I don't think it is a good solution.
> Could you help me to solve this problem?
> Thanks

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