1 /* $OpenBSD: dn11.c,v 1.9 2006/03/17 19:17:13 moritz Exp $ */
2 /* $NetBSD: dn11.c,v 1.4 1995/10/29 00:49:53 pk Exp $ */
5 * SPDX-License-Identifier: BSD-3-Clause
7 * Copyright (c) 1983, 1993
8 * The Regents of the University of California. All rights reserved.
10 * Redistribution and use in source and binary forms, with or without
11 * modification, are permitted provided that the following conditions
13 * 1. Redistributions of source code must retain the above copyright
14 * notice, this list of conditions and the following disclaimer.
15 * 2. Redistributions in binary form must reproduce the above copyright
16 * notice, this list of conditions and the following disclaimer in the
17 * documentation and/or other materials provided with the distribution.
18 * 3. Neither the name of the University nor the names of its contributors
19 * may be used to endorse or promote products derived from this software
20 * without specific prior written permission.
22 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
23 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
24 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
25 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
26 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
27 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
28 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
29 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
30 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
31 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
35 #include <sys/cdefs.h>
36 __FBSDID("$FreeBSD$");
40 static char sccsid[] = "@(#)dn11.c 8.1 (Berkeley) 6/6/93";
41 static const char rcsid[] = "$OpenBSD: dn11.c,v 1.9 2006/03/17 19:17:13 moritz Exp $";
46 * Routines for dialing up on DN-11
50 static jmp_buf jmpbuf;
51 static pid_t child = -1, dn;
53 static void alarmtr(int);
56 dn_dialer(char *num, char *acu)
62 if (boolean(value(VERBOSE)))
63 printf("\nstarting call...");
64 if ((dn = open(acu, 1)) < 0) {
66 printf("line busy...");
68 printf("acu open error...");
76 signal(SIGALRM, alarmtr);
77 timelim = 5 * strlen(num);
78 alarm(timelim < 30 ? 30 : timelim);
79 if ((child = fork()) == 0) {
81 * ignore this stuff for aborts
83 signal(SIGALRM, SIG_IGN);
84 signal(SIGINT, SIG_IGN);
85 signal(SIGQUIT, SIG_IGN);
87 nw = write(dn, num, lt = strlen(num));
91 * open line - will return on carrier
93 if ((FD = open(DV, 2)) < 0) {
95 printf("lost carrier...");
97 printf("dialup line open failed...");
104 tcgetattr(dn, &cntrl);
105 cntrl.c_cflag |= HUPCL;
106 tcsetattr(dn, TCSANOW, &cntrl);
107 signal(SIGALRM, SIG_DFL);
108 while ((nw = wait(<)) != child && nw != -1)
128 * Insurance, for some reason we don't seem to be
136 ioctl(FD, TIOCCDTR, 0);
145 kill(child, SIGKILL);
149 ioctl(FD, TIOCCDTR, 0);