FreeTDS Development Group

[Brian Bruns <camber AT umcc.ais.org>]

On Thu, 27 Jan 2000, James Cameron wrote:

> Geoff Winkless wrote:
> > [...] whether disconnecting the client from the server at the server
> > end would cause a SIGPIPE (as it does in write()) or if it merely
> > causes read() to fail with an error returned.
> 
> It causes read() to return zero.  I've not heard of the possibility of
> SIGPIPE.  None of my (other) code has seen that.
> 
> It is difficult to discriminate between an empty input queue with
> non-blocking I/O enabled and a terminated connection.
> 
fortunately we use blocking I/O, however the code does need to check for
EINTR in the read routines...I guess I just never got around to it :-)

> > I suppose I could write some test code, I was just wondering if anyone
> > knew the answer already.
> 

> Fun, eh?
> 
Always!

Brian