diff options
Diffstat (limited to 'usr.bin/tip/hunt.c')
-rw-r--r-- | usr.bin/tip/hunt.c | 93 |
1 files changed, 0 insertions, 93 deletions
diff --git a/usr.bin/tip/hunt.c b/usr.bin/tip/hunt.c deleted file mode 100644 index 650ac26..0000000 --- a/usr.bin/tip/hunt.c +++ /dev/null @@ -1,93 +0,0 @@ -/* - * Copyright (c) 1983, 1993 - * The Regents of the University of California. All rights reserved. - * - * Redistribution and use in source and binary forms, with or without - * modification, are permitted provided that the following conditions - * are met: - * 1. Redistributions of source code must retain the above copyright - * notice, this list of conditions and the following disclaimer. - * 2. Redistributions in binary form must reproduce the above copyright - * notice, this list of conditions and the following disclaimer in the - * documentation and/or other materials provided with the distribution. - * 3. All advertising materials mentioning features or use of this software - * must display the following acknowledgement: - * This product includes software developed by the University of - * California, Berkeley and its contributors. - * 4. 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 BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND - * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE - * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE - * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE - * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL - * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS - * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) - * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT - * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY - * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF - * SUCH DAMAGE. - */ - -#ifndef lint -static char sccsid[] = "@(#)hunt.c 8.1 (Berkeley) 6/6/93"; -#endif /* not lint */ - -#include "tip.h" - -extern char *getremote(); -extern char *rindex(); - -static jmp_buf deadline; -static int deadfl; - -void -dead() -{ - deadfl = 1; - longjmp(deadline, 1); -} - -hunt(name) - char *name; -{ - register char *cp; - sig_t f; - - f = signal(SIGALRM, dead); - while (cp = getremote(name)) { - deadfl = 0; - uucplock = rindex(cp, '/')+1; - if (uu_lock(uucplock) < 0) - continue; - /* - * Straight through call units, such as the BIZCOMP, - * VADIC and the DF, must indicate they're hardwired in - * order to get an open file descriptor placed in FD. - * Otherwise, as for a DN-11, the open will have to - * be done in the "open" routine. - */ - if (!HW) - break; - if (setjmp(deadline) == 0) { - alarm(10); - FD = open(cp, O_RDWR); - } - alarm(0); - if (FD < 0) { - perror(cp); - deadfl = 1; - } - if (!deadfl) { - ioctl(FD, TIOCEXCL, 0); - ioctl(FD, TIOCHPCL, 0); - signal(SIGALRM, SIG_DFL); - return ((int)cp); - } - (void)uu_unlock(uucplock); - } - signal(SIGALRM, f); - return (deadfl ? -1 : (int)cp); -} |