mirror of
https://github.com/sheumann/hush.git
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160 lines
3.4 KiB
C
160 lines
3.4 KiB
C
/*
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* Mini kill implementation for busybox
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*
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* Copyright (C) 1995, 1996 by Bruce Perens <bruce@pixar.com>.
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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*
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*/
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#include "internal.h"
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#include <stdio.h>
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#include <stdlib.h>
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#include <unistd.h>
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#include <signal.h>
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#include <ctype.h>
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const char kill_usage[] = "kill [-signal] process-id [process-id ...]\n";
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struct signal_name {
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const char *name;
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int number;
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};
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const struct signal_name signames[] = {
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{"HUP", SIGHUP},
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{"INT", SIGINT},
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{"QUIT", SIGQUIT},
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{"ILL", SIGILL},
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{"TRAP", SIGTRAP},
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{"ABRT", SIGABRT},
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#ifndef __alpha__
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{"IOT", SIGIOT},
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#endif
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#if defined(__sparc__) || defined(__alpha__)
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{"EMT", SIGEMT},
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#else
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{"BUS", SIGBUS},
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#endif
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{"FPE", SIGFPE},
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{"KILL", SIGKILL},
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#if defined(__sparc__) || defined(__alpha__)
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{"BUS", SIGBUS},
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#else
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{"USR1", SIGUSR1},
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#endif
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{"SEGV", SIGSEGV},
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#if defined(__sparc__) || defined(__alpha__)
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{"SYS", SIGSYS},
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#else
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{"USR2", SIGUSR2},
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#endif
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{"PIPE", SIGPIPE},
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{"ALRM", SIGALRM},
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{"TERM", SIGTERM},
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#if defined(__sparc__) || defined(__alpha__)
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{"URG", SIGURG},
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{"STOP", SIGSTOP},
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{"TSTP", SIGTSTP},
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{"CONT", SIGCONT},
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{"CHLD", SIGCHLD},
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{"TTIN", SIGTTIN},
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{"TTOU", SIGTTOU},
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{"IO", SIGIO},
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# ifndef __alpha__
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{"POLL", SIGIO},
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# endif
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{"XCPU", SIGXCPU},
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{"XFSZ", SIGXFSZ},
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{"VTALRM", SIGVTALRM},
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{"PROF", SIGPROF},
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{"WINCH", SIGWINCH},
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# ifdef __alpha__
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{"INFO", SIGINFO},
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# else
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{"LOST", SIGLOST},
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# endif
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{"USR1", SIGUSR1},
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{"USR2", SIGUSR2},
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#else
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{"STKFLT", SIGSTKFLT},
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{"CHLD", SIGCHLD},
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{"CONT", SIGCONT},
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{"STOP", SIGSTOP},
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{"TSTP", SIGTSTP},
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{"TTIN", SIGTTIN},
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{"TTOU", SIGTTOU},
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{"URG", SIGURG},
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{"XCPU", SIGXCPU},
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{"XFSZ", SIGXFSZ},
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{"VTALRM", SIGVTALRM},
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{"PROF", SIGPROF},
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{"WINCH", SIGWINCH},
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{"IO", SIGIO},
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{"POLL", SIGPOLL},
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{"PWR", SIGPWR},
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{"UNUSED", SIGUNUSED},
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#endif
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{0, 0}
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};
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extern int kill_main (int argc, char **argv)
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{
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int sig = SIGTERM;
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if ( argc < 2 )
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usage (kill_usage);
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if ( **(argv+1) == '-' ) {
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if (isdigit( *(*(++argv)+1) )) {
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sig = atoi (*argv);
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if (sig < 0 || sig >= NSIG)
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goto end;
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}
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else {
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const struct signal_name *s = signames;
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while (s->name != 0) {
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if (strcasecmp (s->name, *argv+1) == 0) {
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sig = s->number;
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break;
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}
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s++;
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}
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if (s->name == 0)
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goto end;
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}
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}
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while (--argc > 1) {
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int pid;
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if (! isdigit( **(++argv))) {
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fprintf(stderr, "bad PID: %s\n", *argv);
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exit( FALSE);
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}
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pid = atoi (*argv);
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if (kill (pid, sig) != 0) {
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perror (*argv);
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exit ( FALSE);
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}
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}
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end:
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fprintf(stderr, "bad signal name: %s\n", *argv);
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exit (TRUE);
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}
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