1 /* $OpenBSD: tty.c,v 1.1 2013/09/19 16:12:01 otto Exp $ */
4 * Copyright (c) 2013, Otto Moerbeek <otto@drijf.net>
6 * Permission to use, copy, modify, and distribute this software for any
7 * purpose with or without fee is hereby granted, provided that the above
8 * copyright notice and this permission notice appear in all copies.
10 * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
11 * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
12 * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
13 * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
14 * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
15 * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
16 * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
25 struct termios ttysaved, ttyedit;
27 static int settty(struct termios *);
30 settty(struct termios *t)
34 while ((ret = tcsetattr(0, TCSADRAIN, t)) == -1 && errno == EINTR)
40 gettty(struct termios *t)
44 while ((ret = tcgetattr(0, t) == -1) && errno == EINTR)
53 int save_errno = errno;
56 signal(SIGCONT, tstpcont);
60 signal(SIGTSTP, tstpcont);