netdev - Re: [PATCH] ip.7: Improve explanation about calling listen or connect

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Date:	Fri, 25 May 2012 13:02:48 +0200
From:	Peter Schiffer <pschiffe@...hat.com>
To:	mtk.manpages@...il.com
CC:	Flavio Leitner <fbl@...hat.com>, linux-man@...r.kernel.org,
	netdev <netdev@...r.kernel.org>
Subject: Re: [PATCH] ip.7: Improve explanation about calling listen or connect

Hi Michael,

do you have any comments for this update? Or do you need some supporting 
info?

peter

On 05/09/2012 02:30 PM, Flavio Leitner wrote:
> Signed-off-by: Flavio Leitner<fbl@...hat.com>
> ---
>   man7/ip.7 |   15 +++++++++------
>   1 files changed, 9 insertions(+), 6 deletions(-)
>
> diff --git a/man7/ip.7 b/man7/ip.7
> index 9f560df..84fe32d 100644
> --- a/man7/ip.7
> +++ b/man7/ip.7
> @@ -69,12 +69,11 @@ For
>   you may specify a valid IANA IP protocol defined in
>   RFC\ 1700 assigned numbers.
>   .PP
> -.\" FIXME ip current does an autobind in listen, but I'm not sure
> -.\" if that should be documented.
>   When a process wants to receive new incoming packets or connections, it
>   should bind a socket to a local interface address using
>   .BR bind (2).
> -Only one IP socket may be bound to any given local (address, port) pair.
> +In this case, only one IP socket may be bound to any given local
> +(address, port) pair.
>   When
>   .B INADDR_ANY
>   is specified in the bind call, the socket will be bound to
> @@ -82,10 +81,14 @@ is specified in the bind call, the socket will be bound to
>   local interfaces.
>   When
>   .BR listen (2)
> -or
> +is called on an unbound socket, the socket is automatically bound
> +to a random free port with the local address set to
> +.BR INADDR_ANY .
> +When
>   .BR connect (2)
> -are called on an unbound socket, it is automatically bound to a
> -random free port with the local address set to
> +is called on an unbound socket, the socket is automatically bound
> +to a random free port or an usable shared port with the local address
> +set to
>   .BR INADDR_ANY .
>
>   A TCP local socket address that has been bound is unavailable for
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