VS2005: Problem with System.Threading.Monitor

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Peter Schmitz - 17 Apr 2005 17:53 GMT

Hi,

I just tried to convert my current project to the new beta 2 of the .net
framework and I encountered some problems with my thread synchronization -
that formerly worked well.

When I release a monitor by System.Threading.Monitor(myvar) I receive the
following error message:

System.Threading.SynchronizationLockException: Object synchronization method
was called from an unsynchronized block of code.

Of course I acquired the Monitor some lines above by
System.Threading.Monitor.Enter(myvar).

can anyone help?

Thanks
Peter

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Jon Skeet [C# MVP] - 17 Apr 2005 18:07 GMT

> I just tried to convert my current project to the new beta 2 of the .net
> framework and I encountered some problems with my thread synchronization -
[quoted text clipped - 10 lines]
>
> can anyone help?

Could you post a short but complete program which demonstrates the
problem?

See http://www.pobox.com/~skeet/csharp/complete.html for details of
what I mean by that.

You could well have a bug in your code which is masked by another bug
in the framework - Monitor.Exit doesn't check whether or not the
monitor is currently owned in v1.1.

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Jon Skeet - <skeet@pobox.com>
http://www.pobox.com/~skeet
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VS2005: Problem with System.Threading.Monitor

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