[Mono-osx] Mono OSX thread

sebi77 balazs.sebestyen at webcamlaboratory.com
Mon Jan 3 08:31:36 EST 2011

When I move the mouse over the window, the program runs much faster (cc. 3
times). (Or refreshes more frequently). This is a real time webcam .Net/Mono
application running on a MacBook. On Windows works perfectly. The code:

Thread t = new Thread(Foo);
t.Priority = ThreadPriority.Highest; // doesn't do anything, 
delegate void SetInt(int k);
void Foo()
    int k = 0;
    while (true)
        BeginInvoke(new SetInt(Bar), k);   
void Bar(int k)
        System.Fonts.DefaultFont, Brushes.Red, 0, 0);

The real code is a bit more complicated, eg. watches reentrance in Bar(). I
know that Thread.Priority is not implemented in Mono, but must be a
solution, otherwise every real-time application would be unusable in
Mono+OSX. I don't want extra priority for my app, just as much as it has
when the mouse is moving.
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