diff options
Diffstat (limited to 'tty.c')
| -rw-r--r-- | tty.c | 17 |
1 files changed, 11 insertions, 6 deletions
@@ -44,7 +44,6 @@ void tty_cell(struct tty *, void tty_init(struct tty *tty, int fd, char *term) { - int mode; char *path; memset(tty, 0, sizeof *tty); @@ -55,10 +54,6 @@ tty_init(struct tty *tty, int fd, char *term) else tty->termname = xstrdup(term); - if ((mode = fcntl(fd, F_GETFL)) == -1) - fatal("fcntl failed"); - if (fcntl(fd, F_SETFL, mode|O_NONBLOCK) == -1) - fatal("fcntl failed"); if (fcntl(fd, F_SETFD, FD_CLOEXEC) == -1) fatal("fcntl failed"); tty->fd = fd; @@ -129,11 +124,16 @@ void tty_start_tty(struct tty *tty) { struct termios tio; - int what; + int what, mode; if (tty->fd == -1) return; + if ((mode = fcntl(tty->fd, F_GETFL)) == -1) + fatal("fcntl failed"); + if (fcntl(tty->fd, F_SETFL, mode|O_NONBLOCK) == -1) + fatal("fcntl failed"); + #if 0 tty_detect_utf8(tty); #endif @@ -183,6 +183,7 @@ void tty_stop_tty(struct tty *tty) { struct winsize ws; + int mode; if (!(tty->flags & TTY_STARTED)) return; @@ -193,6 +194,10 @@ tty_stop_tty(struct tty *tty) * because the fd is invalid. Things like ssh -t can easily leave us * with a dead tty. */ + if ((mode = fcntl(tty->fd, F_GETFL)) == -1) + return; + if (fcntl(tty->fd, F_SETFL, mode & ~O_NONBLOCK) == -1) + return; if (ioctl(tty->fd, TIOCGWINSZ, &ws) == -1) return; if (tcsetattr(tty->fd, TCSANOW, &tty->tio) == -1) |