2005-01-10 08:39:26 +00:00
|
|
|
/*-
|
1994-05-26 06:18:55 +00:00
|
|
|
* Copyright (c) 1988, 1993, 1994
|
|
|
|
* 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.
|
|
|
|
* 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.
|
|
|
|
*/
|
2011-03-01 21:48:22 +00:00
|
|
|
/*
|
|
|
|
* Important: This file is used both as a standalone program /bin/kill and
|
|
|
|
* as a builtin for /bin/sh (#define SHELL).
|
|
|
|
*/
|
1994-05-26 06:18:55 +00:00
|
|
|
|
2003-05-01 16:58:57 +00:00
|
|
|
#if 0
|
1994-05-26 06:18:55 +00:00
|
|
|
#ifndef lint
|
1996-12-14 06:01:00 +00:00
|
|
|
static char const copyright[] =
|
1994-05-26 06:18:55 +00:00
|
|
|
"@(#) Copyright (c) 1988, 1993, 1994\n\
|
|
|
|
The Regents of the University of California. All rights reserved.\n";
|
|
|
|
#endif /* not lint */
|
|
|
|
|
|
|
|
#ifndef lint
|
1998-05-13 07:47:35 +00:00
|
|
|
static char sccsid[] = "@(#)kill.c 8.4 (Berkeley) 4/28/95";
|
1994-05-26 06:18:55 +00:00
|
|
|
#endif /* not lint */
|
2003-05-01 16:58:57 +00:00
|
|
|
#endif
|
2002-06-30 05:13:54 +00:00
|
|
|
#include <sys/cdefs.h>
|
|
|
|
__FBSDID("$FreeBSD$");
|
1994-05-26 06:18:55 +00:00
|
|
|
|
|
|
|
#include <ctype.h>
|
|
|
|
#include <err.h>
|
|
|
|
#include <errno.h>
|
|
|
|
#include <signal.h>
|
|
|
|
#include <stdio.h>
|
|
|
|
#include <stdlib.h>
|
|
|
|
#include <string.h>
|
|
|
|
|
2010-12-21 22:47:34 +00:00
|
|
|
#ifdef SHELL
|
|
|
|
#define main killcmd
|
|
|
|
#include "bltin/bltin.h"
|
|
|
|
#endif
|
|
|
|
|
2004-03-15 04:10:29 +00:00
|
|
|
static void nosig(const char *);
|
|
|
|
static void printsignals(FILE *);
|
|
|
|
static int signame_to_signum(const char *);
|
|
|
|
static void usage(void);
|
1994-05-26 06:18:55 +00:00
|
|
|
|
|
|
|
int
|
2002-02-02 06:48:10 +00:00
|
|
|
main(int argc, char *argv[])
|
1994-05-26 06:18:55 +00:00
|
|
|
{
|
2014-03-15 14:58:48 +00:00
|
|
|
int errors, numsig, pid, ret;
|
1994-05-26 06:18:55 +00:00
|
|
|
char *ep;
|
|
|
|
|
|
|
|
if (argc < 2)
|
|
|
|
usage();
|
|
|
|
|
1996-12-14 06:01:00 +00:00
|
|
|
numsig = SIGTERM;
|
|
|
|
|
|
|
|
argc--, argv++;
|
|
|
|
if (!strcmp(*argv, "-l")) {
|
|
|
|
argc--, argv++;
|
|
|
|
if (argc > 1)
|
|
|
|
usage();
|
|
|
|
if (argc == 1) {
|
|
|
|
if (!isdigit(**argv))
|
|
|
|
usage();
|
|
|
|
numsig = strtol(*argv, &ep, 10);
|
1997-08-21 21:34:43 +00:00
|
|
|
if (!**argv || *ep)
|
2010-12-21 22:47:34 +00:00
|
|
|
errx(2, "illegal signal number: %s", *argv);
|
1996-12-14 06:01:00 +00:00
|
|
|
if (numsig >= 128)
|
|
|
|
numsig -= 128;
|
2004-01-28 19:04:14 +00:00
|
|
|
if (numsig <= 0 || numsig >= sys_nsig)
|
1996-12-14 06:01:00 +00:00
|
|
|
nosig(*argv);
|
|
|
|
printf("%s\n", sys_signame[numsig]);
|
2010-12-21 22:47:34 +00:00
|
|
|
return (0);
|
1996-12-14 06:01:00 +00:00
|
|
|
}
|
|
|
|
printsignals(stdout);
|
2010-12-21 22:47:34 +00:00
|
|
|
return (0);
|
1994-05-26 06:18:55 +00:00
|
|
|
}
|
|
|
|
|
1996-12-14 06:01:00 +00:00
|
|
|
if (!strcmp(*argv, "-s")) {
|
|
|
|
argc--, argv++;
|
|
|
|
if (argc < 1) {
|
|
|
|
warnx("option requires an argument -- s");
|
|
|
|
usage();
|
|
|
|
}
|
|
|
|
if (strcmp(*argv, "0")) {
|
|
|
|
if ((numsig = signame_to_signum(*argv)) < 0)
|
|
|
|
nosig(*argv);
|
|
|
|
} else
|
|
|
|
numsig = 0;
|
|
|
|
argc--, argv++;
|
2002-06-13 08:07:20 +00:00
|
|
|
} else if (**argv == '-' && *(*argv + 1) != '-') {
|
1994-05-26 06:18:55 +00:00
|
|
|
++*argv;
|
|
|
|
if (isalpha(**argv)) {
|
1996-12-14 06:01:00 +00:00
|
|
|
if ((numsig = signame_to_signum(*argv)) < 0)
|
1994-05-26 06:18:55 +00:00
|
|
|
nosig(*argv);
|
|
|
|
} else if (isdigit(**argv)) {
|
|
|
|
numsig = strtol(*argv, &ep, 10);
|
1997-08-21 21:34:43 +00:00
|
|
|
if (!**argv || *ep)
|
2010-12-21 22:47:34 +00:00
|
|
|
errx(2, "illegal signal number: %s", *argv);
|
2010-02-25 13:53:09 +00:00
|
|
|
if (numsig < 0)
|
1994-05-26 06:18:55 +00:00
|
|
|
nosig(*argv);
|
|
|
|
} else
|
|
|
|
nosig(*argv);
|
1996-12-14 06:01:00 +00:00
|
|
|
argc--, argv++;
|
1994-05-26 06:18:55 +00:00
|
|
|
}
|
|
|
|
|
2002-06-13 08:07:20 +00:00
|
|
|
if (argc > 0 && strncmp(*argv, "--", 2) == 0)
|
|
|
|
argc--, argv++;
|
|
|
|
|
1996-12-14 06:01:00 +00:00
|
|
|
if (argc == 0)
|
1994-05-26 06:18:55 +00:00
|
|
|
usage();
|
|
|
|
|
1996-12-14 06:01:00 +00:00
|
|
|
for (errors = 0; argc; argc--, argv++) {
|
2010-12-21 22:47:34 +00:00
|
|
|
#ifdef SHELL
|
2014-03-15 14:58:48 +00:00
|
|
|
if (**argv == '%')
|
|
|
|
ret = killjob(*argv, numsig);
|
|
|
|
else
|
2010-12-21 22:47:34 +00:00
|
|
|
#endif
|
|
|
|
{
|
|
|
|
pid = strtol(*argv, &ep, 10);
|
|
|
|
if (!**argv || *ep)
|
|
|
|
errx(2, "illegal process id: %s", *argv);
|
2014-03-15 14:58:48 +00:00
|
|
|
ret = kill(pid, numsig);
|
2010-12-21 22:47:34 +00:00
|
|
|
}
|
2014-03-15 14:58:48 +00:00
|
|
|
if (ret == -1) {
|
1994-05-26 06:18:55 +00:00
|
|
|
warn("%s", *argv);
|
|
|
|
errors = 1;
|
|
|
|
}
|
|
|
|
}
|
1996-12-14 06:01:00 +00:00
|
|
|
|
2010-12-21 22:47:34 +00:00
|
|
|
return (errors);
|
1994-05-26 06:18:55 +00:00
|
|
|
}
|
|
|
|
|
2004-03-15 04:10:29 +00:00
|
|
|
static int
|
|
|
|
signame_to_signum(const char *sig)
|
1996-12-14 06:01:00 +00:00
|
|
|
{
|
|
|
|
int n;
|
|
|
|
|
2013-04-28 22:05:01 +00:00
|
|
|
if (strncasecmp(sig, "SIG", 3) == 0)
|
1996-12-14 06:01:00 +00:00
|
|
|
sig += 3;
|
2004-01-28 19:04:14 +00:00
|
|
|
for (n = 1; n < sys_nsig; n++) {
|
1996-12-14 06:01:00 +00:00
|
|
|
if (!strcasecmp(sys_signame[n], sig))
|
|
|
|
return (n);
|
|
|
|
}
|
|
|
|
return (-1);
|
|
|
|
}
|
|
|
|
|
2004-03-15 04:10:29 +00:00
|
|
|
static void
|
|
|
|
nosig(const char *name)
|
1994-05-26 06:18:55 +00:00
|
|
|
{
|
|
|
|
|
|
|
|
warnx("unknown signal %s; valid signals:", name);
|
1996-12-14 06:01:00 +00:00
|
|
|
printsignals(stderr);
|
2010-12-21 22:47:34 +00:00
|
|
|
#ifdef SHELL
|
|
|
|
error(NULL);
|
|
|
|
#else
|
|
|
|
exit(2);
|
|
|
|
#endif
|
1994-05-26 06:18:55 +00:00
|
|
|
}
|
|
|
|
|
2004-03-15 04:10:29 +00:00
|
|
|
static void
|
2002-02-02 06:48:10 +00:00
|
|
|
printsignals(FILE *fp)
|
1994-05-26 06:18:55 +00:00
|
|
|
{
|
1996-12-14 06:01:00 +00:00
|
|
|
int n;
|
1994-05-26 06:18:55 +00:00
|
|
|
|
2004-01-28 19:04:14 +00:00
|
|
|
for (n = 1; n < sys_nsig; n++) {
|
1996-12-14 06:01:00 +00:00
|
|
|
(void)fprintf(fp, "%s", sys_signame[n]);
|
2004-01-28 19:04:14 +00:00
|
|
|
if (n == (sys_nsig / 2) || n == (sys_nsig - 1))
|
1994-05-26 06:18:55 +00:00
|
|
|
(void)fprintf(fp, "\n");
|
1996-12-14 06:01:00 +00:00
|
|
|
else
|
|
|
|
(void)fprintf(fp, " ");
|
1994-05-26 06:18:55 +00:00
|
|
|
}
|
|
|
|
}
|
|
|
|
|
2004-03-15 04:10:29 +00:00
|
|
|
static void
|
2002-02-02 06:48:10 +00:00
|
|
|
usage(void)
|
1994-05-26 06:18:55 +00:00
|
|
|
{
|
|
|
|
|
1997-06-06 06:40:06 +00:00
|
|
|
(void)fprintf(stderr, "%s\n%s\n%s\n%s\n",
|
|
|
|
"usage: kill [-s signal_name] pid ...",
|
|
|
|
" kill -l [exit_status]",
|
|
|
|
" kill -signal_name pid ...",
|
|
|
|
" kill -signal_number pid ...");
|
2010-12-21 22:47:34 +00:00
|
|
|
#ifdef SHELL
|
|
|
|
error(NULL);
|
|
|
|
#else
|
|
|
|
exit(2);
|
|
|
|
#endif
|
1994-05-26 06:18:55 +00:00
|
|
|
}
|