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add set_echo implementation for qemu_chr_stdio 

This also requires moving QemuOpts out of term_init.

Clearing ISIG is independent of whether echo is enabled or disabled.

Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
This commit is contained in:
Paolo Bonzini 2010-12-23 13:42:50 +01:00 committed by Anthony Liguori
parent 0369364be8
commit bb002513a9
1 changed files with 16 additions and 10 deletions
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26
qemu-char.c
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@ -716,6 +716,7 @@ static void stdio_read(void *opaque)
/* init terminal so that we can grab keys */
static struct termios oldtty;
static int old_fd0_flags;
static bool stdio_allow_signal;
static void term_exit(void)
{
@ -723,22 +724,24 @@ static void term_exit(void)
fcntl(0, F_SETFL, old_fd0_flags);
}
static void term_init(QemuOpts *opts)
static void qemu_chr_set_echo_stdio(CharDriverState *chr, bool echo)
{
struct termios tty;
tty = oldtty;
tty.c_iflag &= ~(IGNBRK|BRKINT|PARMRK|ISTRIP
if (!echo) {
tty.c_iflag &= ~(IGNBRK|BRKINT|PARMRK|ISTRIP
|INLCR|IGNCR|ICRNL|IXON);
tty.c_oflag |= OPOST;
tty.c_lflag &= ~(ECHO|ECHONL|ICANON|IEXTEN);
tty.c_oflag |= OPOST;
tty.c_lflag &= ~(ECHO|ECHONL|ICANON|IEXTEN);
tty.c_cflag &= ~(CSIZE|PARENB);
tty.c_cflag |= CS8;
tty.c_cc[VMIN] = 1;
tty.c_cc[VTIME] = 0;
}
/* if graphical mode, we allow Ctrl-C handling */
if (!qemu_opt_get_bool(opts, "signal", display_type != DT_NOGRAPHIC))
if (!stdio_allow_signal)
tty.c_lflag &= ~ISIG;
tty.c_cflag &= ~(CSIZE|PARENB);
tty.c_cflag |= CS8;
tty.c_cc[VMIN] = 1;
tty.c_cc[VTIME] = 0;
tcsetattr (0, TCSANOW, &tty);
}
@ -766,9 +769,12 @@ static CharDriverState *qemu_chr_open_stdio(QemuOpts *opts)
chr = qemu_chr_open_fd(0, 1);
chr->chr_close = qemu_chr_close_stdio;
chr->chr_set_echo = qemu_chr_set_echo_stdio;
qemu_set_fd_handler2(0, stdio_read_poll, stdio_read, NULL, chr);
stdio_nb_clients++;
term_init(opts);
stdio_allow_signal = qemu_opt_get_bool(opts, "signal",
display_type != DT_NOGRAPHIC);
qemu_chr_set_echo(chr, false);
return chr;
}