Worker Thread appears to deadlock

  • Thread starter Thread starter Guest
  • Start date Start date
G

Guest

I'm working on a project where I need to add an existing chat program as a
plugin. The framework I'm using requires that I write a Control that
inherits from their own custom control. In the constructor for this control
I start up the threads that listen to the server. After I start my second
thread the program deadlocks, but currently the threads are not locking on
anything. I have found that if I place a timer with an interval of 500
ticks, start the timer in the constructor, and begin the worker threads in
the Tick event handler, the program works. Needless to say I'm not happy
with the above solution. Is there something I need to watch out for before
starting a background thread in a control? If so what event should I
subscribe to?

Thanks.
 
How do you determine that the application is a dead lock situation?
Using the !SyncBlk (SOS) command you can identify the dead locks and
trace of source for these locks.
 
Are you touching any UI components from worker thread without using
Control.Invoke(), e.g. updating progress bar?

If so it's destined to hang sooner or later. This issue is very familiar to
Compact Framework developers as it would hang in pretty much 100% of the
cases.

Desktop developers usually ignore this as desktop only hangs from time to
time.



--
Best regards,

Ilya

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