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From: John Cowan <cowan@xxxxxxxxxxxxxxxx> Subject: Re: socket-port Date: Tue, 18 Jun 2013 17:38:31 -0400 > Shiro Kawai scripsit: > >> Your logic is correct, so, in Gauche, closing one of the socket ports >> does not close the socket descriptor (it does mark the Scheme-level >> port structure as 'closed', and it does flush the output port). > > It should also do a shutdown(fd, SHUT_RD) or shutdown(fd, SHUT_WR), which > is what I was trying to say before. The latter, for example, signals > to the peer that no more data will be arriving. No, it shouldn't shut down the socket, because the socket may be shared among processes. A parent process may want to close the socket fd to keep number of open fd small, while a child process may still be using it, for example. --shiro