Accept tcgetattr/tcsetattr failure, fixes problems with fatal() if the

terminal disappears while locked.
This commit is contained in:
Nicholas Marriott 2011-01-29 08:39:43 +00:00
parent b6bb350289
commit 9fc2c34a3b

9
tty.c
View File

@ -166,15 +166,13 @@ tty_start_tty(struct tty *tty)
{
struct termios tio;
if (tty->fd == -1)
if (tty->fd == -1 || tcgetattr(tty->fd, &tty->tio) != 0)
return;
setblocking(tty->fd, 0);
bufferevent_enable(tty->event, EV_READ|EV_WRITE);
if (tcgetattr(tty->fd, &tty->tio) != 0)
fatal("tcgetattr failed");
memcpy(&tio, &tty->tio, sizeof tio);
tio.c_iflag &= ~(IXON|IXOFF|ICRNL|INLCR|IGNCR|IMAXBEL|ISTRIP);
tio.c_iflag |= IGNBRK;
@ -183,9 +181,8 @@ tty_start_tty(struct tty *tty)
ECHOPRT|ECHOKE|ECHOCTL|ISIG);
tio.c_cc[VMIN] = 1;
tio.c_cc[VTIME] = 0;
if (tcsetattr(tty->fd, TCSANOW, &tio) != 0)
fatal("tcsetattr failed");
tcflush(tty->fd, TCIOFLUSH);
if (tcsetattr(tty->fd, TCSANOW, &tio) == 0)
tcflush(tty->fd, TCIOFLUSH);
tty_putcode(tty, TTYC_SMCUP);