1994-05-26 06:18:55 +00:00
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/*
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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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#ifndef lint
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1996-12-14 06:01:00 +00:00
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static char const copyright[] =
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1994-05-26 06:18:55 +00:00
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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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1998-05-13 07:47:35 +00:00
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#if 0
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static char sccsid[] = "@(#)kill.c 8.4 (Berkeley) 4/28/95";
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#endif
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static const char rcsid[] =
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1999-08-27 23:15:48 +00:00
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"$FreeBSD$";
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1994-05-26 06:18:55 +00:00
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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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2002-02-02 06:48:10 +00:00
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void nosig(char *);
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void printsignals(FILE *);
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int signame_to_signum(char *);
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void usage(void);
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1994-05-26 06:18:55 +00:00
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int
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2002-02-02 06:48:10 +00:00
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main(int argc, char *argv[])
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1994-05-26 06:18:55 +00:00
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{
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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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1996-12-14 06:01:00 +00:00
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numsig = SIGTERM;
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argc--, argv++;
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if (!strcmp(*argv, "-l")) {
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argc--, argv++;
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if (argc > 1)
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usage();
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if (argc == 1) {
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if (!isdigit(**argv))
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usage();
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numsig = strtol(*argv, &ep, 10);
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1997-08-21 21:34:43 +00:00
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if (!**argv || *ep)
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1996-12-14 06:01:00 +00:00
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errx(1, "illegal signal number: %s", *argv);
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if (numsig >= 128)
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numsig -= 128;
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if (numsig <= 0 || numsig >= NSIG)
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nosig(*argv);
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printf("%s\n", sys_signame[numsig]);
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exit(0);
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}
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printsignals(stdout);
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1994-05-26 06:18:55 +00:00
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exit(0);
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}
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1996-12-14 06:01:00 +00:00
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if (!strcmp(*argv, "-s")) {
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argc--, argv++;
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if (argc < 1) {
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warnx("option requires an argument -- s");
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usage();
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}
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if (strcmp(*argv, "0")) {
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if ((numsig = signame_to_signum(*argv)) < 0)
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nosig(*argv);
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} else
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numsig = 0;
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argc--, argv++;
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2002-06-13 08:07:20 +00:00
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} else if (**argv == '-' && *(*argv + 1) != '-') {
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1994-05-26 06:18:55 +00:00
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++*argv;
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if (isalpha(**argv)) {
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1996-12-14 06:01:00 +00:00
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if ((numsig = signame_to_signum(*argv)) < 0)
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1994-05-26 06:18:55 +00:00
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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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1997-08-21 21:34:43 +00:00
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if (!**argv || *ep)
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1994-05-26 06:18:55 +00:00
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errx(1, "illegal signal number: %s", *argv);
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1997-06-03 06:24:50 +00:00
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if (numsig < 0 || numsig >= NSIG)
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1994-05-26 06:18:55 +00:00
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nosig(*argv);
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} else
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nosig(*argv);
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1996-12-14 06:01:00 +00:00
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argc--, argv++;
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1994-05-26 06:18:55 +00:00
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}
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2002-06-13 08:07:20 +00:00
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if (argc > 0 && strncmp(*argv, "--", 2) == 0)
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argc--, argv++;
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1996-12-14 06:01:00 +00:00
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if (argc == 0)
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1994-05-26 06:18:55 +00:00
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usage();
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1996-12-14 06:01:00 +00:00
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for (errors = 0; argc; argc--, argv++) {
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1994-05-26 06:18:55 +00:00
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pid = strtol(*argv, &ep, 10);
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1997-08-21 21:34:43 +00:00
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if (!**argv || *ep) {
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1994-05-26 06:18:55 +00:00
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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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1996-12-14 06:01:00 +00:00
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1994-05-26 06:18:55 +00:00
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exit(errors);
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}
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1996-12-14 06:01:00 +00:00
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int
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2002-02-02 06:48:10 +00:00
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signame_to_signum(char *sig)
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1996-12-14 06:01:00 +00:00
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{
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int n;
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2001-05-20 04:52:37 +00:00
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if (!strncasecmp(sig, "sig", (size_t)3))
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1996-12-14 06:01:00 +00:00
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sig += 3;
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for (n = 1; n < NSIG; n++) {
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if (!strcasecmp(sys_signame[n], sig))
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return (n);
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}
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return (-1);
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}
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1994-05-26 06:18:55 +00:00
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void
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2002-02-02 06:48:10 +00:00
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nosig(char *name)
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1994-05-26 06:18:55 +00:00
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{
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warnx("unknown signal %s; valid signals:", name);
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1996-12-14 06:01:00 +00:00
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printsignals(stderr);
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1994-05-26 06:18:55 +00:00
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exit(1);
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}
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void
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2002-02-02 06:48:10 +00:00
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printsignals(FILE *fp)
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1994-05-26 06:18:55 +00:00
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{
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1996-12-14 06:01:00 +00:00
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int n;
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1994-05-26 06:18:55 +00:00
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1996-12-14 06:01:00 +00:00
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for (n = 1; n < NSIG; n++) {
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(void)fprintf(fp, "%s", sys_signame[n]);
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if (n == (NSIG / 2) || n == (NSIG - 1))
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1994-05-26 06:18:55 +00:00
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(void)fprintf(fp, "\n");
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1996-12-14 06:01:00 +00:00
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else
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(void)fprintf(fp, " ");
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1994-05-26 06:18:55 +00:00
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}
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}
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void
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2002-02-02 06:48:10 +00:00
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usage(void)
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1994-05-26 06:18:55 +00:00
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{
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1997-06-06 06:40:06 +00:00
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(void)fprintf(stderr, "%s\n%s\n%s\n%s\n",
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"usage: kill [-s signal_name] pid ...",
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" kill -l [exit_status]",
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" kill -signal_name pid ...",
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" kill -signal_number pid ...");
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1994-05-26 06:18:55 +00:00
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exit(1);
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}
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