2 /* $OpenBSD: tty.c,v 1.2 2013/11/12 13:54:51 deraadt Exp $ */
5 * Copyright (c) 2013, Otto Moerbeek <otto@drijf.net>
7 * Permission to use, copy, modify, and distribute this software for any
8 * purpose with or without fee is hereby granted, provided that the above
9 * copyright notice and this permission notice appear in all copies.
11 * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
12 * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
13 * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
14 * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
15 * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
16 * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
17 * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
26 struct termios ttysaved, ttyedit;
29 settty(struct termios *t)
33 while ((ret = tcsetattr(0, TCSADRAIN, t) == -1) && errno == EINTR)
39 gettty(struct termios *t)
43 while ((ret = tcgetattr(0, t) == -1) && errno == EINTR)
52 int save_errno = errno;
55 signal(SIGCONT, tstpcont);
59 signal(SIGTSTP, tstpcont);