Subj : Re: Threading and Timeouts
To   : comp.programming.threads
From : David Schwartz
Date : Wed Jul 20 2005 04:41 am


"Giancarlo Niccolai" <searchforme@ingoogle.com> wrote in message 
news:dbl6j1$7qr$1@newsread.albacom.net...

> Actually, I found that blocking i/o with select or poll works fine. Once
> select returns signaling that a socket can be read/written, a single
> read/write operation is GUARANTEED not to block; that's exactly what 
> select
> is for.

    Nope, not true. The simplest example is if you 'write' more bytes than 
there's buffer space for. A blocking socket will block until all bytes can 
be queued. There are many other possible cases.

    DS

.