Re: [Audacity-devel] Fixed Audio I/O race conditions

[Joshua H. <jo...@re...>]

On Mon, 2003-05-12 at 22:34, Dominic Mazzoni wrote:
> I discovered that some of the Audio I/O race conditions were
> caused because classes were calling IsStreamActive to determine
> if it was safe to start a new stream or do an editing operation,
> when actually there was no good call to determine that (since
> AudioIO can be "stopped" in a PortAudio sense, but still busy
> reading/writing from WaveTracks).  I added (back) a method
> IsBusy that returns true if it's busy _at all_, and replaced
> a few calls to IsStreamActive with that.  I also made sure that
> StartStream doesn't ever start a new stream until the last one
> really has finished - that was another race.

Great, I'm really glad you've managed to make things more stable.  I
don't have the time or energy to really think through this right now,
but I trust you've done the right thing.  I appreciate you being really
thorough about making sure your fix is the right fix and makes sense.

Josh