diff options
Diffstat (limited to 'bin/catsh/kill.c')
| -rw-r--r-- | bin/catsh/kill.c | 215 |
1 files changed, 0 insertions, 215 deletions
diff --git a/bin/catsh/kill.c b/bin/catsh/kill.c deleted file mode 100644 index f58987cc..00000000 --- a/bin/catsh/kill.c +++ /dev/null @@ -1,215 +0,0 @@ -/*- - * SPDX-License-Identifier: BSD-3-Clause - * - * 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. - * 3. 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. - */ -/* - * Important: This file is used both as a standalone program /bin/kill and - * as a builtin for /bin/sh (#define SHELL). - */ - -#if 0 -#ifndef lint -static char const copyright[] = -"@(#) Copyright (c) 1988, 1993, 1994\n\ - The Regents of the University of California. All rights reserved.\n"; -#endif /* not lint */ - -#ifndef lint -static char sccsid[] = "@(#)kill.c 8.4 (Berkeley) 4/28/95"; -#endif /* not lint */ -#endif -#include <sys/cdefs.h> -__FBSDID("$FreeBSD: releng/12.0/bin/kill/kill.c 326025 2017-11-20 19:49:47Z pfg $"); - -#include <ctype.h> -#include <err.h> -#include <errno.h> -#include <signal.h> -#include <stdio.h> -#include <stdlib.h> -#include <string.h> - -#ifdef SHELL -#define main killcmd -#include "bltin.h" -#endif - -static void nosig(const char *); -static void printsignals(FILE *); -static int signame_to_signum(const char *); -static void usage(void); - -int -main(int argc, char *argv[]) -{ - long pidl; - pid_t pid; - int errors, numsig, ret; - char *ep; - - if (argc < 2) - usage(); - - 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); - if (!**argv || *ep) - errx(2, "illegal signal number: %s", *argv); - if (numsig >= 128) - numsig -= 128; - if (numsig <= 0 || numsig >= NSIG) - nosig(*argv); - printf("%s\n", sys_signame[numsig]); - return (0); - } - printsignals(stdout); - return (0); - } - - 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++; - } else if (**argv == '-' && *(*argv + 1) != '-') { - ++*argv; - if (isalpha(**argv)) { - if ((numsig = signame_to_signum(*argv)) < 0) - nosig(*argv); - } else if (isdigit(**argv)) { - numsig = strtol(*argv, &ep, 10); - if (!**argv || *ep) - errx(2, "illegal signal number: %s", *argv); - if (numsig < 0) - nosig(*argv); - } else - nosig(*argv); - argc--, argv++; - } - - if (argc > 0 && strncmp(*argv, "--", 2) == 0) - argc--, argv++; - - if (argc == 0) - usage(); - - for (errors = 0; argc; argc--, argv++) { -#ifdef SHELL - if (**argv == '%') - ret = killjob(*argv, numsig); - else -#endif - { - pidl = strtol(*argv, &ep, 10); - /* Check for overflow of pid_t. */ - pid = (pid_t)pidl; - if (!**argv || *ep || pid != pidl) - errx(2, "illegal process id: %s", *argv); - ret = kill(pid, numsig); - } - if (ret == -1) { - warn("%s", *argv); - errors = 1; - } - } - - return (errors); -} - -static int -signame_to_signum(const char *sig) -{ - int n; - - if (strncasecmp(sig, "SIG", 3) == 0) - sig += 3; - for (n = 1; n < NSIG; n++) { - if (!strcasecmp(sys_signame[n], sig)) - return (n); - } - return (-1); -} - -static void -nosig(const char *name) -{ - - warnx("unknown signal %s; valid signals:", name); - printsignals(stderr); -#ifdef SHELL - error(NULL); -#else - exit(2); -#endif -} - -static void -printsignals(FILE *fp) -{ - int n; - - for (n = 1; n < NSIG; n++) { - (void)fprintf(fp, "%s", sys_signame[n]); - if (n == (NSIG / 2) || n == (NSIG - 1)) - (void)fprintf(fp, "\n"); - else - (void)fprintf(fp, " "); - } -} - -static void -usage(void) -{ - - (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 ..."); -#ifdef SHELL - error(NULL); -#else - exit(2); -#endif -} |