[PATCH] Allow resetting an empty inferior-tty

[Simon Marchi]

On 16-08-24 11:41 AM, Pedro Alves wrote:
> Something else.  :-)
> 
> I meant "(gdb) help set inferior-tty", the bit quoted above.

Ah, that kind of online :P

What about:

@@ -3224,14 +3228,16 @@ _initialize_infcmd (void)
   const char *cmd_name;

   /* Add the filename of the terminal connected to inferior I/O.  */
-  add_setshow_filename_cmd ("inferior-tty", class_run,
-			    &inferior_io_terminal_scratch, _("\
+  add_setshow_optional_filename_cmd ("inferior-tty", class_run,
+				     &inferior_io_terminal_scratch, _("\
 Set terminal for future runs of program being debugged."), _("\
 Show terminal for future runs of program being debugged."), _("\
-Usage: set inferior-tty /dev/pts/1"),
-			    set_inferior_tty_command,
-			    show_inferior_tty_command,
-			    &setlist, &showlist);
+Usage: set inferior-tty [TTY]\n\n\
+If TTY is omitted, the default behavior of using the same terminal as GDB\n\
+is restored."),
+				     set_inferior_tty_command,
+				     show_inferior_tty_command,
+				     &setlist, &showlist);
   add_com_alias ("tty", "set inferior-tty", class_alias, 0);

   cmd_name = "args";


For this result:

(gdb) help set inferior-tty
Set terminal for future runs of program being debugged.
Usage: set inferior-tty [TTY]

If TTY is omitted, the default behavior of using the same terminal as GDB
is restored.
(gdb)