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