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getty: Disable ECHO, XON/OFF while waiting for initial <CR>

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Signed-off-by: Joachim Nilsson <troglobit@gmail.com>
This commit is contained in:
Joachim Nilsson committed 2017-10-29 12:14:04 +01:00
1 parent 250e26f2f6
commit faf0c680b8
1 file changed
+20 -2
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src/exec.c
+20 -2
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@@ -266,12 +266,22 @@ static void prepare_tty(char *tty, char *procname)
static int activate_console(int noclear, int nowait) static int activate_console(int noclear, int nowait)
{ {
int ret = 0;
struct termios term;
if (!noclear) if (!noclear)
(void)write(STDERR_FILENO, "\e[r\e[H\e[J", 9); (void)write(STDERR_FILENO, "\e[r\e[H\e[J", 9);
if (nowait) if (nowait)
return 1; return 1;
/* Disable ECHO, XON/OFF while waiting for <CR> */
if (!tcgetattr(STDIN_FILENO, &term)) {
term.c_iflag &= ~(IXON|IXOFF);
term.c_lflag &= ~ECHO;
tcsetattr(STDIN_FILENO, TCSANOW, &term);
}
while (!fexist(SYNC_SHUTDOWN)) { while (!fexist(SYNC_SHUTDOWN)) {
char c; char c;
static const char msg[] = "\nPlease press Enter to activate this console."; static const char msg[] = "\nPlease press Enter to activate this console.";
@@ -288,10 +298,18 @@ static int activate_console(int noclear, int nowait)
if (fexist(SYNC_STOPPED)) if (fexist(SYNC_STOPPED))
continue; continue;
return 1; ret = 1;
break;
} }
return 0; /* Restore ECHO, XON/OFF while waiting for <CR> */
if (!tcgetattr(STDIN_FILENO, &term)) {
term.c_iflag |= IXON|IXOFF;
term.c_lflag |= ECHO;
tcsetattr(STDIN_FILENO, TCSANOW, &term);
}
return ret;
} }
pid_t run_getty(char *tty, char *speed, char *term, int noclear, int nowait) pid_t run_getty(char *tty, char *speed, char *term, int noclear, int nowait)