So why doesn't it work???
On Aug 13, 2012, at 7:08 PM, Ken Thomases wrote:
> On Aug 13, 2012, at 5:09 PM, Jens Alfke wrote:
>
>> On Aug 13, 2012, at 2:17 PM, Charlie Dickman <3tothe...@comcast.net> wrote:
>>
>>> int vmDataLength = 0;
>>> do {
>>> vmData = [vmRead availableData];
>>> vmDataLength = [vmData length];
>>> } while (vmDataLength != 0);
>>
>> Don't you mean "== 0" on the final line?
>> Also, spin-loops like this are a really bad idea — this loop is going to
>> consume something like 100% CPU. If you have to loop like this, run the
>> current run loop in between tests.
>
> This isn't a spin loop and he has the termination condition correct.
> -[NSFileHandle availableData] blocks if there's no data available. It
> returns a zero-length NSData on end-of-file.
>
> Regards,
> Ken
>
Charlie Dickman
3tothe...@comcast.net
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