[postmodern-devel] [Sbcl-devel] Possible bug in REFILL-INPUT-BUFFER

[Stelian Ionescu]

On Tue, 2009-10-06 at 12:14 +0200, Marijn Haverbeke wrote:
> Hi Stelian,
> 
> > finish-output attempts to ensure that any buffered output sent to
> > output-stream has reached its destination, and then returns.
> >
> > force-output initiates the emptying of any internal buffers but does not
> > wait for completion or acknowledgment to return.
> 
> I know. The situation that we want to avoid is CL-postgres calling
> read on a socket that has unflushed data -- then both the server and
> the client will wait forever. Thus, it is enough to call force-output,
> which ensures that the flushing is initiated, and the next read won't
> block forever.

Iolib socket streams don't flush the output buffer on reading. that
would lead to major complications in order to be made safe

-- 
Stelian Ionescu a.k.a. fe[nl]ix
Quidquid latine dictum sit, altum videtur.
http://common-lisp.net/project/iolib
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