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/*
* Copyright (c) 1983 The Regents of the University of California.
* All rights reserved.
*
* Redistribution and use in source and binary forms are permitted
* provided that: (1) source distributions retain this entire copyright
* notice and comment, and (2) distributions including binaries display
* the following acknowledgement: ``This product includes software
* developed by the University of California, Berkeley and its contributors''
* in the documentation or other materials provided with the distribution
* and in all advertising materials mentioning features or use of this
* software. Neither the name of the University nor the names of its
* contributors may be used to endorse or promote products derived
* from this software without specific prior written permission.
* THIS SOFTWARE IS PROVIDED ``AS IS'' AND WITHOUT ANY EXPRESS OR
* IMPLIED WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED
* WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.
*/
#ifndef lint
static char sccsid[] = "@(#)dn11.c 5.3 (Berkeley) 6/1/90";
#endif /* not lint */
/*
* Routines for dialing up on DN-11
*/
#include "tip.h"
int dn_abort(), alarmtr();
static jmp_buf jmpbuf;
static int child = -1, dn;
dn_dialer(num, acu)
char *num, *acu;
{
extern errno;
char *p, *q, phone[40];
int lt, nw, connected = 1;
register int timelim;
if (boolean(value(VERBOSE)))
printf("\nstarting call...");
if ((dn = open(acu, 1)) < 0) {
if (errno == EBUSY)
printf("line busy...");
else
printf("acu open error...");
return (0);
}
if (setjmp(jmpbuf)) {
kill(child, SIGKILL);
close(dn);
return (0);
}
signal(SIGALRM, alarmtr);
timelim = 5 * strlen(num);
alarm(timelim < 30 ? 30 : timelim);
if ((child = fork()) == 0) {
/*
* ignore this stuff for aborts
*/
signal(SIGALRM, SIG_IGN);
signal(SIGINT, SIG_IGN);
signal(SIGQUIT, SIG_IGN);
sleep(2);
nw = write(dn, num, lt = strlen(num));
exit(nw != lt);
}
/*
* open line - will return on carrier
*/
if ((FD = open(DV, 2)) < 0) {
if (errno == EIO)
printf("lost carrier...");
else
printf("dialup line open failed...");
alarm(0);
kill(child, SIGKILL);
close(dn);
return (0);
}
alarm(0);
ioctl(dn, TIOCHPCL, 0);
signal(SIGALRM, SIG_DFL);
while ((nw = wait(<)) != child && nw != -1)
;
fflush(stdout);
close(dn);
if (lt != 0) {
close(FD);
return (0);
}
return (1);
}
alarmtr()
{
alarm(0);
longjmp(jmpbuf, 1);
}
/*
* Insurance, for some reason we don't seem to be
* hanging up...
*/
dn_disconnect()
{
sleep(2);
if (FD > 0)
ioctl(FD, TIOCCDTR, 0);
close(FD);
}
dn_abort()
{
sleep(2);
if (child > 0)
kill(child, SIGKILL);
if (dn > 0)
close(dn);
if (FD > 0)
ioctl(FD, TIOCCDTR, 0);
close(FD);
}
These are the contents of the former NiCE NeXT User Group NeXTSTEP/OpenStep software archive, currently hosted by Netfuture.ch.