try using the SO_LINGER option with the setsockopt think this should solve ur problem -SIGTERM amit ----- Original Message ----- From: "Lukas Ruf" <ruf@rawip.org> To: "Kernel Newbies" <kernelnewbies@nl.linux.org> Sent: Friday, May 09, 2003 3:05 PM Subject: Problems listening at ports > Dear all, > > when making use of the following code fragment, I cannot start the > program immediately again after it finished. > > /* BEGIN Fragment */ > /* I removed all the error checking to shorten the code */ > > getaddrinfo(host, service, &hints, &res); > listenfd = socket(res->ai_family, res->ai_socktype, res->ai_protocol); > setsockopt(listenfd, SOL_SOCKET, SO_REUSEADDR, &on, sizeof(on)); > bind(listenfd, res->ai_addr, res->ai_addrlen); > listen(listenfd, LISTENQ); > fd = accept(listenfd, sa, &salen); > close(fd); > close(listenfd); > > /* END Fragment */ > > When I compile this code fragment, it starts perfectly and awaits a > connection. If I restart the program immediately afterwards from > within a loop in a shell script, listen() fails. If I wait for a > second (sleep 1) before restarting the program, everything works fine > again. > > Does anybody know what I made wrong? > > Thanks for any enlightenment! > > wbr, > Lukas > -- > Lukas Ruf | Wanna know anything about raw | > <http://www.lpr.ch> | IP? <http://www.rawip.org> | > -- > Kernelnewbies: Help each other learn about the Linux kernel. > Archive: http://mail.nl.linux.org/kernelnewbies/ > FAQ: http://kernelnewbies.org/faq/ > -- Kernelnewbies: Help each other learn about the Linux kernel. Archive: http://mail.nl.linux.org/kernelnewbies/ FAQ: http://kernelnewbies.org/faq/
