[PATCH] Don't let TUI exceptions escape to readline (PR tui/9765)

[Tom Tromey]

>>>>> "Pedro" == Pedro Alves <palves@redhat.com> writes:

Pedro> gdb/ChangeLog:
Pedro> yyyy-mm-dd  Pedro Alves  <palves@redhat.com>

Pedro> 	PR tui/9765
Pedro> 	* tui/tui-io.c (tui_getc): Rename to ...
Pedro> 	(tui_getc_1): ... this.
Pedro> 	(tui_get): New, reimplent as try/catch wrapper around tui_getc_1.
Pedro> ---
Pedro>  gdb/tui/tui-io.c | 31 ++++++++++++++++++++++++++++---
Pedro>  1 file changed, 28 insertions(+), 3 deletions(-)

This seems like a good idea measure to me.
Ideally I suppose these TUI functions shouldn't throw.  However, in gdb
it can be difficult to ensure that, so this provides some defense.

thanks,
Tom