Cancelling network operations

Stefan Küng tortoisesvn at
Thu Apr 22 14:48:38 EDT 2010

On 22.04.2010 19:33, Joe Orton wrote:
> On Thu, Apr 22, 2010 at 06:33:21PM +0200, Bert Huijben wrote:
>> The only problem with that is that Subversion handles this the other
>> way around:
>> It calls into a user provided function that then checks for conditions
>> on when it should cancel. (See my original proposal)
> Oh, ick.  Calling up through N layers of callbacks for every single I/O
> call, just to do a variable comparison?  I wouldn't be surprised if that
> will hurt performance, I'm not sure I like this.  I guess we'll have to
> try it to find out.  Is there no other way to make this work?

I don't think there's another way that works with svn and UI clients 
well enough.
But going through the callbacks isn't expensive, because those callbacks 
are very small.


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