Re: [Opalvoip-user] How to detect which thread is locking a PSafeObject

[Derek S. <de...@in...>]

Hi,
  No offense taken.

A quick review of the literature reports "Archer" whose goal is to improve 
gdb. For a list of their goals, 
http://sourceware.org/ml/archer/2008-q3/msg00001.html

The above list could be viewed as a report of the faults in gdb.
Clearly, gdb is not perfect, and so Robert has some good reasons for 
preferring MSVC.

======

The autoexp.dat file you have for windows does make the msvc experience 
much easier.
Is there someone who can provide a script for use in gdb - that will 
simplify the reporting on variables? Such scripts would go into the SVN - 
along with instructions to benefit all.

Thanks in advance for any help/tips here.

Derek.

  On Fri, 23 Apr 2010, Robert Jongbloed wrote:

> At the risk of offending GNU die hards, gdb sucks pretty badly. At least
> compared to VS. The VS debugger is the single biggest reason I use Windows
> as my prime development platform, then port to *nix.
>
> If you can figure out how to get gdb to display the contents of containers
> (E.g. PList), that would be fantastic.
>
> Robert Jongbloed
> OPAL/OpenH323/PTLib Architect and Co-founder.
>
>
>> -----Original Message-----
>> From: Stefano Sabatini [mailto:ssa...@re...]
>> Sent: Thursday, 22 April 2010 7:55 PM
>> To: opalvoip-user Mailing List
>> Subject: Re: [Opalvoip-user] How to detect which thread is locking a
>> PSafeObject
>>
>> On Thursday 2010-04-22 19:05:37 +1000, Robert Jongbloed wrote:
>>> First, merge the file .....\ptlib\include\ptlib\msos\AUTOEXP.DAT into
> the
>>> once for DevStudio, sorry, can never remember where it is exactly.
>>>
>>> Then you can expand the PSafePtr, currentObject, PSafeObject, safeInUse,
>>> m_nestedThreads
>>>
>>> This is a list of all threads that are either waiting or own the mutex.
>>
>> Using gdb and debug symbols here, well I can already see all these
>> symbols, so I suppose m_nestedThreads is meant to contain the list of
>> accessing threads right?
>>
>> Time to play with the scripting interface of gdb, that should make
>> possible to get a meaningful representation of the list.
>>
>> Thanks, best regards.
>>
>>
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-- 
Derek Smithies Ph.D.
IndraNet Technologies Ltd.
ph +64 3 365 6485
Web: http://www.indranet-technologies.com/

"How did you make it work??"
       "Oh, the usual, get everything right".