Re: Sound Manager & MIDI callbacks, interrupts and threads

Subject: Re: Sound Manager & MIDI callbacks, interrupts and threads
From: Laurent de Segur <email@hidden>
Date: Tue, 19 Feb 2002 10:26:35 -0800

On Tuesday, February 19, 2002, at 03:04 AM, Andy Robinson wrote:

but is the concept safe? Someone said that it's hard to know whether an
operation is "atomic" - something about single bus transactions.

I am not sure how portable you want you app to be, but as you mentioned disabling interrupts as your fav workaround, I assume that shouldn't matter too much to you.

If this is the case, you should take a look at the Darwin Streaming server, in particular, the section SubProjects/AtomicLib. There, you will find all the details for implementing an atomic queue.The source is available only if you are an ADC member. It's quite easy to use. The atomic operations are written for ppc and this can be adapted to other architectures. The plumbing is the same.

BTW, this project is ultra cool. Check it out if you didn't do that yet.

LdS
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References:
	>Re: Sound Manager & MIDI callbacks, interrupts and threads (From: Andy Robinson <email@hidden>)

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