diff options
Diffstat (limited to 'tty.c')
| -rw-r--r-- | tty.c | 18 |
1 files changed, 12 insertions, 6 deletions
@@ -1,4 +1,4 @@ -/* $Id: tty.c,v 1.137 2009-09-23 15:08:21 tcunha Exp $ */ +/* $Id: tty.c,v 1.138 2009-09-23 15:18:56 tcunha Exp $ */ /* * Copyright (c) 2007 Nicholas Marriott <nicm@users.sourceforge.net> @@ -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; @@ -129,6 +124,7 @@ void tty_start_tty(struct tty *tty) { struct termios tio; + int mode; #ifdef TIOCFLUSH int what; #endif @@ -136,6 +132,11 @@ tty_start_tty(struct tty *tty) 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 @@ -187,6 +188,7 @@ void tty_stop_tty(struct tty *tty) { struct winsize ws; + int mode; if (!(tty->flags & TTY_STARTED)) return; @@ -197,6 +199,10 @@ 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) |