2 * Copyright (c) 1983, 1993
3 * The Regents of the University of California. All rights reserved.
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
8 * 1. Redistributions of source code must retain the above copyright
9 * notice, this list of conditions and the following disclaimer.
10 * 2. Redistributions in binary form must reproduce the above copyright
11 * notice, this list of conditions and the following disclaimer in the
12 * documentation and/or other materials provided with the distribution.
13 * 3. All advertising materials mentioning features or use of this software
14 * must display the following acknowledgement:
15 * This product includes software developed by the University of
16 * California, Berkeley and its contributors.
17 * 4. Neither the name of the University nor the names of its contributors
18 * may be used to endorse or promote products derived from this software
19 * without specific prior written permission.
21 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
22 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
23 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
24 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
25 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
26 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
27 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
28 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
29 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
30 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
33 * @(#)hunt.c 8.1 (Berkeley) 6/6/93
34 * $FreeBSD: src/usr.bin/tip/tip/hunt.c,v 1.5 1999/08/28 01:06:33 peter Exp $
37 #include <sys/types.h>
43 static jmp_buf deadline;
60 f = signal(SIGALRM, dead);
61 while ((cp = getremote(name))) {
63 if ((uucplock = strrchr(cp, '/')) == NULL)
67 if ((res = uu_lock(uucplock)) != UU_LOCK_OK) {
68 if (res != UU_LOCK_INUSE)
69 fprintf(stderr, "uu_lock: %s\n", uu_lockerr(res));
73 * Straight through call units, such as the BIZCOMP,
74 * VADIC and the DF, must indicate they're hardwired in
75 * order to get an open file descriptor placed in FD.
76 * Otherwise, as for a DN-11, the open will have to
77 * be done in the "open" routine.
81 if (setjmp(deadline) == 0) {
83 FD = open(cp, O_RDWR);
91 ioctl(FD, TIOCEXCL, 0);
95 if (tcgetattr(FD, &t) == 0) {
97 (void)tcsetattr(FD, TCSANOW, &t);
100 #else /* HAVE_TERMIOS */
102 ioctl(FD, TIOCHPCL, 0);
104 #endif /* HAVE_TERMIOS */
105 signal(SIGALRM, SIG_DFL);
108 (void)uu_unlock(uucplock);
111 return (deadfl ? -1 : (long)cp);