diff options
Diffstat (limited to 'gdb/nindy-share/ttyflush.c')
-rw-r--r-- | gdb/nindy-share/ttyflush.c | 53 |
1 files changed, 53 insertions, 0 deletions
diff --git a/gdb/nindy-share/ttyflush.c b/gdb/nindy-share/ttyflush.c new file mode 100644 index 00000000000..9754472ddd7 --- /dev/null +++ b/gdb/nindy-share/ttyflush.c @@ -0,0 +1,53 @@ +/* This file is part of GDB. + + This program is free software; you can redistribute it and/or modify + it under the terms of the GNU General Public License as published by + the Free Software Foundation; either version 2 of the License, or + (at your option) any later version. + + This program is distributed in the hope that it will be useful, + but WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + GNU General Public License for more details. + + You should have received a copy of the GNU General Public License + along with this program; if not, write to the Free Software + Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */ + +/* This started out life as code shared between the nindy monitor and + GDB. For various reasons, this is no longer true. Eventually, it + probably should be merged into remote-nindy.c. */ + +#include <stdio.h> +#include "defs.h" +#include "serial.h" + +#ifdef _MSC_VER +# include <stdlib.h> +# define sleep _sleep +#endif + +/* Flush all pending input and output for SERIAL, wait for a second, and + then if there is a character pending, discard it and flush again. */ + +int +tty_flush (serial) + serial_t serial; +{ + while (1) + { + SERIAL_FLUSH_INPUT (serial); + SERIAL_FLUSH_OUTPUT (serial); + sleep(1); + switch (SERIAL_READCHAR (serial, 0)) + { + case SERIAL_TIMEOUT: + case SERIAL_ERROR: + case SERIAL_EOF: + return 0; + default: + /* We read something. Eeek. Try again. */ + break; + } + } +} |