From 2d753894c7553d6a05e8fdbed5f4704398919a35 Mon Sep 17 00:00:00 2001 From: Shahar Havivi Date: Fri, 26 Feb 2010 11:34:59 +0200 Subject: [PATCH] Restore terminal attributes for tty based monitor Patch http://permalink.gmane.org/gmane.comp.emulators.qemu/63472 handle close when using tty devices (like /dev/ttyS0), yet tty based monitor are not restoring terminal attributes (as done with stdio based monitor), when closing qemu after that command: $ qemu -monitor /dev/tty the terminal is not responding until you write reset (blindly), this patch fix it Signed-off-by: Anthony Liguori --- qemu-char.c | 8 ++++++++ 1 file changed, 8 insertions(+) diff --git a/qemu-char.c b/qemu-char.c index 86c7c5a3f5..0e25ef3885 100644 --- a/qemu-char.c +++ b/qemu-char.c @@ -1002,6 +1002,7 @@ static void tty_serial_init(int fd, int speed, speed, parity, data_bits, stop_bits); #endif tcgetattr (fd, &tty); + oldtty = tty; #define check_speed(val) if (speed <= val) { spd = B##val; break; } speed = speed * 10 / 11; @@ -1173,6 +1174,11 @@ static int tty_serial_ioctl(CharDriverState *chr, int cmd, void *arg) return 0; } +static void tty_exit(void) +{ + tcsetattr(0, TCSANOW, &oldtty); +} + static void qemu_chr_close_tty(CharDriverState *chr) { FDCharDriver *s = chr->opaque; @@ -1207,6 +1213,8 @@ static CharDriverState *qemu_chr_open_tty(QemuOpts *opts) } chr->chr_ioctl = tty_serial_ioctl; chr->chr_close = qemu_chr_close_tty; + if (!term_atexit_done++) + atexit(tty_exit); return chr; } #else /* ! __linux__ && ! __sun__ */