Re: [PATCH] gdb: unbuffer all input streams when not using readline

[Tom Tromey <tom@tromey.com>]

>>>>> "Andrew" == Andrew Burgess via Gdb-patches <gdb-patches@sourceware.org> writes:

Andrew> This commit should fix PR gdb/28711.  What's actually going on is
Andrew> pretty involved, and there's still a bit of the story that I don't
Andrew> understand completely, however, from my observed results, I think that
Andrew> the change I propose making here (or something very similar) is going
Andrew> to be needed.

Thanks for the great description of the problem.

I haven't read the whole thread yet but I had a couple things to mention
in response to this message.

Andrew>   3. Tom is currently doing lots of gdb stream management changes and
Andrew>   I want to minimise the chances we'll conflict.

FWIW my changes only affect output streams, I haven't touched input at
all.

Andrew> So, this commit just changes gdb_readline_no_editing_callback to
Andrew> always unbuffer the input stream.

https://sourceware.org/bugzilla/show_bug.cgi?id=7237 is about the lack
of buffering for MI.  If this patch goes in, I think we should probably
just WONTFIX this bug.

Tom