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Re: [PATCH 3/4] GDB: Fix documentation for invoking GDBSERVER

On Sunday, October 21 2018, John Darrington wrote:

> On Fri, Oct 19, 2018 at 04:45:14PM -0400, Sergio Durigan Junior wrote:
>      The check needs to implemented on gdbserver/remote-utils.c:remote_open,
>      and gdbserver needs to error out if "hint.ai_protocol == IPPROTO_UDP".
>      And "parse_connection_spec_without_prefix" could be merged with
>      "parse_connection_spec".
> A quick test shows that this is not necessary.  Any attempt to start
> gdbserver with udp: will never get to remote_open because remote_prepare
> will fail when it gets to listen:
>   "Can't listen on socket: Operation no supported."
> (listen is for connection orientated protocols only).

Yes, but this error message is not entirely clear.  We should show a
more user-friendly message, and the best way to do that is to do an
early check for the UDP protocol.


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