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MIDI Beep, and synchronizarion

 
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Not being satisfied with the Toolkit.getDefaultToolkit().beep() sound I played around with some MIDI code till I got a sound I was happy with. All was well and good until I tried to make it multi-threaded. My app that uses it launches a couple of threads and I play a Beep when they end. It is highly unlikely that any two threads would Beep at the same time but I thought I should take that into consideration so I introduced
into the beep() method. This caused the beep() to no longer work. Can anyone tell me why?
 
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Does it make a difference if you synchronize on a different object? I.e.

 
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YES! How insightful. Is there something I should learn from this when it comes to synchronize ?
 
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Could it be that the MIDI library was already using that to sync on?
 
Carey Brown
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Here's the working version.
 
Carey Brown
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A programmable version. Pick your own instrument and settings.
 
Paul Clapham
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Carey Brown wrote:Could it be that the MIDI library was already using that to sync on?



That was my (lucky) guess.
 
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BEEP!
You have committed a grave offence:

Silently eating Exceptions is a REALLY bad practice. Yes, I know, this is a "safe" case, but at a minimum you should print a "thread interrupted" message or something. If you just swallow Exceptions, they can become Mysteries. Really, really frustrating Mysteries.
 
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