Date: Tue, 6 Feb 2007 22:24:30 +0200 From: "Vlad GALU" <dudu@dudu.ro> To: "Andrew N. Below" <defan@zenon.net> Cc: freebsd-hackers@freebsd.org Subject: Re: socket descriptor returned from socket() Message-ID: <ad79ad6b0702061224w7ebc9e23lc33b3cbbc8106c99@mail.gmail.com> In-Reply-To: <20070206230620.N97390@defan.zenon.net> References: <20070206230620.N97390@defan.zenon.net>
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On 2/6/07, Andrew N. Below <defan@zenon.net> wrote:
> Hello.
>
> Could 0 (zero) be a valid socket descriptor?
Yes, if your program is a daemon and closes fds 0, 1, 2 which
corespond to stdin, stdout and stderr.
> man 2 socket:
>
> RETURN VALUES
> A -1 is returned if an error occurs, otherwise the return value is a
> descriptor referencing the socket.
>
> I have some troubles with xinetd (2.3.14) - first service
> in config file with proto=tcp, socket_type=stream and wait=yes
> fail to start (fcntl returns "Bad file descriptor" error).
>
> --
> Andrew N. Below
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--
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