[Dotgnu-pnet] Delegates serialization

[Speziale Ettore]

Hi,
I think I've found a bug in the AsyncResult class implemetation.

When a delegate is asynchronously invoked the runtime can chose to exec
the call in the current thread context (Thread.CanStartThreads() returns
false).

After the call has been performed, the constructor of AsyncResult.cs
does not signal the event associated with the call.

As result, any thread that waits for the call completion via the event
will be indefinitivily blocked, because the event is never signalled.

I have found the bug on the stable release (0.8.0) using the ILDJIT
dynamic compiler. I've patched AsyncResult.cs:

89a90
>                               ((ISignal)AsyncWaitHandle).Signal();

This line allows to properly waits for call termination inside the
ILDJIT dynamic compiler.

Hi,
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