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Is it possible to view Mutant states from a Crash
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TOPIC: Is it possible to view Mutant states from a Crash
#154
Paul (User)
Posts: 2
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Is it possible to view Mutant states from a Crash 22 Mar 2012 - 05:40
Hi. I have a simple application that holds a Mutex (Mutant) object. If I attach to the process with WinDbg and enter:

0:001> !handle 0 f Mutant
Handle 7f4
  Type             Mutant
  Attributes       0
  GrantedAccess    0x1f0001:
         Delete,ReadControl,WriteDac,WriteOwner,Synch
         QueryState
  HandleCount      2
  PointerCount     4
  Name             \BaseNamedObjects\PAUL_HANG_MUTEX
  Object Specific Information
    Mutex is Owned


..then I can see that my application does indeed own the Mutex. Great.

Now then.. I would like to be able to do the same thing but my generating a crash dump file so that I can exame the mutex states at the time that I invoke the crash dump. I've tried creating a crashdump using PROCDUMP -ma test.exe.

Can somebody please tell me if and how it is possible to view the "owned" states from a crash dump file?

Thanks
 
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#155
Paul (User)
Posts: 2
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Re: Is it possible to view Mutant states from a Cr 26 Mar 2012 - 22:00
Yes, it is indeed possible. The problem I had was that I was using an old version of DBGHELP.DLL. As long as 6.6.x.x or above is used, the Mutant info will be available.

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