On Fri, Oct 12, 2007 at 10:52:01AM +0100, Howard Wilkinson wrote: > Stephen Croll wrote: > > Howard Wilkinson wrote: > >> Can you suggest such a list - I can only find lists for POSIX threads! > > comp.unix.programmer > Thanks for that! > >> Code goes as follows > >> > > I haven't really looked at the code, except for making mods to get it to > > compile, but it works for me: > > > > pika.localdomain:~/tmp 0:12> uname -a > > Linux pika.localdomain 2.6.22.9-91.fc7 #1 SMP Thu Sep 27 20:47:39 EDT 2007 > > x86_64 x86_64 x86_64 GNU/Linux > > > ..... > > -- > > Steve Croll > > > I obviously oversimplified the code - attached is my real test case ..... > > server - Socket is ready to write > server - Socket is not ready to read > master - Socket is ready to write > master - Socket is ready to read > master - recv - Resource temporarily unavailable(11) > > Hmmm! Is there a reason for using SOCK_DGRAM instead of the usual SOCK_STREAM? The latter will make the recv return 0, indicating the other end closed the connection, as it did happen, as one peers exits before the other select(2)s: $ ./socketpair server - Socket is ready to write server - Socket is not ready to read exited: 14520 master - Socket is ready to write master - Socket is ready to read master - recv - Resource temporarily unavailable(11) This could be a bug, or standard behaviour for disconnected datagram sockets (I don't know enough of the standards). -- lfr 0/0
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