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authorPaolo Bonzini <pbonzini@redhat.com>2010-12-23 13:42:50 +0100
committerAnthony Liguori <aliguori@us.ibm.com>2011-02-01 16:50:43 -0600
commitbb002513a9bd2bff169c3d431a8f00c5b2e3aa99 (patch)
treefbfb888efa8dc14b5a4c08fb004a3db13d313a22 /qemu-char.c
parent0369364be871f9c4b4429a69ddcd2ba21be34ea3 (diff)
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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>
Diffstat (limited to 'qemu-char.c')
-rw-r--r--qemu-char.c26
1 files changed, 16 insertions, 10 deletions
diff --git a/qemu-char.c b/qemu-char.c
index a6ea516..bb0c32d 100644
--- a/qemu-char.c
+++ b/qemu-char.c
@@ -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;
}