On Mon, Feb 19, 2001 at 12:18:27AM -0500, Cliff Woolley wrote:
> ---Greg Stein said:
>...
> > If you read with APR_NONBLOCK_READ, then you may get back zero-length
> > buckets. People who use this reading style should be *VERY* careful: you
> > don't want to loop with NONBLOCK because you could sit there and read
> > zero-length buckets for a long time.
>
> Precisely. One thing I've been wondering about though... how does the pipe
> bucket get reinserted as the next bucket if in APR_NONBLOCK_READ mode with 0
> bytes returned? Does it work right in that case?
Standard operation during read is to convert "self" into a heap bucket with
data that has been read, then to insert a new bucket *after* "self".
How are things different if the converted-self has a length of zero bytes?
Cheers,
-g
p.s. and your idea of using IMMORTAL for a zero-length bucket is great!
--
Greg Stein, http://www.lyra.org/
