On Wed, 14 Jul 2010, Alexander Lamaison wrote:
If you _know_ the sockets should be silent (ie there's no TCP traffic on
them) you can select() to see if they've become readable, and if they are
in spite of you knowing they shouldn't be, reading 0 bytes from them
indicates they're disconnected.
Do I need to actually do the read?
Not necessarily no. If you are sure they should be idle, you can skip the
reading.
What would a >0 return value indicate?
That data came over the connection anyway!
Presumably that I'd gotten my logic wrong and the socket wasn't meant to be
silent
Exactly!
--
/ daniel.haxx.se
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