On Fri, 6 May 2005, Tony Finch wrote:
> On Fri, 6 May 2005, Nigel Metheringham wrote:
> >
> > If you use a select on the appropriate file handle in the exceptions set
> > then you should notice a close.
>
> That might be true on some implementations, but the BSD documentation says
> "The only exceptional condition detectable is out-of-band data received on
> a socket." However poll(2) is slightly more flexible in this area, and its
> POLLHUP flag does what we want.
Are there likely to be systems where poll(2) does not exist? It seems to
be on Linux, Solaris, Unixware, and FreeBSD, so I guess it's most likely
on everything...
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Philip Hazel University of Cambridge Computing Service,
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