147 lines
3.7 KiB
C
147 lines
3.7 KiB
C
/*
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* Copyright (c) 1988, 1993, 1994
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* The Regents of the University of California. All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* 3. All advertising materials mentioning features or use of this software
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* must display the following acknowledgement:
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* This product includes software developed by the University of
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* California, Berkeley and its contributors.
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* 4. Neither the name of the University nor the names of its contributors
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* may be used to endorse or promote products derived from this software
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* without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*
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* $Id: kill.c,v 1.2 1994/09/24 02:55:44 davidg Exp $
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*/
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#ifndef lint
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static char copyright[] =
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"@(#) Copyright (c) 1988, 1993, 1994\n\
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The Regents of the University of California. All rights reserved.\n";
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#endif /* not lint */
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#ifndef lint
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static char sccsid[] = "@(#)kill.c 8.3 (Berkeley) 4/2/94";
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#endif /* not lint */
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#include <ctype.h>
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#include <err.h>
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#include <errno.h>
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#include <signal.h>
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#include <stdio.h>
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#include <stdlib.h>
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#include <string.h>
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void nosig __P((char *));
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void printsig __P((FILE *));
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void usage __P((void));
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int
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main(argc, argv)
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int argc;
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char *argv[];
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{
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const char *const *p;
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int errors, numsig, pid;
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char *ep;
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if (argc < 2)
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usage();
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if (!strcmp(*++argv, "-l")) {
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printsig(stdout);
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exit(0);
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}
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numsig = SIGTERM;
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if (**argv == '-') {
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++*argv;
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if (isalpha(**argv)) {
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if (!strncasecmp(*argv, "sig", 3))
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*argv += 3;
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for (numsig = NSIG, p = sys_signame + 1; --numsig; ++p)
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if (!strcasecmp(*p, *argv)) {
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numsig = p - sys_signame;
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break;
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}
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if (!numsig)
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nosig(*argv);
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} else if (isdigit(**argv)) {
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numsig = strtol(*argv, &ep, 10);
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if (!*argv || *ep)
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errx(1, "illegal signal number: %s", *argv);
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if (numsig < 0 || numsig > NSIG)
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nosig(*argv);
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} else
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nosig(*argv);
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++argv;
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}
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if (!*argv)
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usage();
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for (errors = 0; *argv; ++argv) {
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pid = strtol(*argv, &ep, 10);
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if (!*argv || *ep) {
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warnx("illegal process id: %s", *argv);
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errors = 1;
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} else if (kill(pid, numsig) == -1) {
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warn("%s", *argv);
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errors = 1;
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}
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}
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exit(errors);
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}
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void
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nosig(name)
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char *name;
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{
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warnx("unknown signal %s; valid signals:", name);
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printsig(stderr);
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exit(1);
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}
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void
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printsig(fp)
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FILE *fp;
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{
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const char *const *p;
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int cnt;
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for (cnt = NSIG, p = sys_signame + 1; --cnt; ++p) {
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(void)fprintf(fp, "%s ", *p);
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if (cnt == NSIG / 2)
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(void)fprintf(fp, "\n");
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}
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(void)fprintf(fp, "\n");
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}
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void
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usage()
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{
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(void)fprintf(stderr, "usage: kill [-l] [-sig] pid ...\n");
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exit(1);
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}
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