Re: Fix for PR/1806

[Andrew Cagney <cagney@gnu.org>]

Jon Beniston wrote:
> Hi,
> 
> The following patch should fix PR/1806. If good, can someone commit it
> please?

I've checked this in.
(I've also sent Jon assignment paperwork).

Andrew

> 2004-11-05  Jon Beniston <jon@beniston.com>
> 
> 	* remote.c (putpkt_binary) Fix PR gdb/1806. Send an ACK 
> 	when an unexpected packet is received, as the target stubs 
> 	continually retransmit the same packet until ACKed.
> 	
> 
> diff -c -p -r1.152 remote.c
> *** remote.c    27 Oct 2004 20:03:50 -0000      1.152
> --- remote.c    5 Nov 2004 15:30:34 -0000
> *************** putpkt_binary (char *buf, int cnt)
> *** 3972,3980 ****
>               {
>                 if (remote_debug)
>                   fprintf_unfiltered (gdb_stdlog, "Packet instead of Ack,
> ignoring it\n");
> !               /* It's probably an old response, and we're out of sync.
> !                  Just gobble up the packet and ignore it.  */
>                 read_frame (junkbuf, sizeof_junkbuf);
>                 continue;       /* Now, go look for + */
>               }
>             default:
> --- 3972,3982 ----
>               {
>                 if (remote_debug)
>                   fprintf_unfiltered (gdb_stdlog, "Packet instead of Ack,
> ignoring it\n");
> !               /* It's probably an old response sent because an ACK was
> lost.
> !                  Gobble up the packet and ack it so it doesn't get
> !                  retransmitted when we resend this packet.  */
>                 read_frame (junkbuf, sizeof_junkbuf);
> +               serial_write (remote_desc, "+", 1);
>                 continue;       /* Now, go look for + */
>               }
>             default:
> 
> 
>