Hello! > Would this happen with blocking sockets, too, and cause a read() to > block infinitely? Blocking after success of select() is impossible. > I've seen qmail-remote (smtp sender) block in read() > on its socket at some rare occasions. If you have seen this, report this as bug: /proc/net/tcp, straces etc. This must not happen in any curcumstances. Alexey - : send the line "unsubscribe linux-net" in the body of a message to majordomo@vger.kernel.org