"Brandon S. Allbery KF8NH" <[email protected]> wrote: > On 2009 Feb 26, at 16:45, Johan Tibell wrote: > > definition of `recv` would look like. My current thinking is that it > > would mimic what C/Python/Java does and return a zero length > > ByteString when EOF is reached. > > Ew. Isn't this what Maybe is for? > > Anyway, the reason recv doesn't return 0 is that if you have a > datagram socket, a zero-length recv is valid and doesn't mean EOF. > My man page says a retval of 0 means that "the peer has performed an orderly shutdown", which, in the UDP case, means that it has send a complete datagram... no mention of EOF. A true EOF in the sense of "no more data will be received" would mean unbinding the socket.
-- (c) this sig last receiving data processing entity. Inspect headers for copyright history. All rights reserved. Copying, hiring, renting, performance and/or quoting of this signature prohibited. _______________________________________________ Haskell-Cafe mailing list [email protected] http://www.haskell.org/mailman/listinfo/haskell-cafe
