+/*
+ * Mini kill implementation for busybox
+ *
+ * Copyright (C) 1995, 1996 by Bruce Perens <bruce@pixar.com>.
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ * General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
+ *
+ */
+
+
#include "internal.h"
#include <stdio.h>
#include <stdlib.h>
#include <unistd.h>
#include <signal.h>
+#include <ctype.h>
+#include <sys/stat.h>
+#include <unistd.h>
+
+static const char* kill_usage = "kill [-signal] process-id [process-id ...]\n\n"
+"Send a signal (default is SIGTERM) to the specified process(es).\n\n"
+"Options:\n"
+"\t-l\tList all signal names and numbers.\n\n";
-const char kill_usage[] = "kill [-signal] process-id [process-id ...]\n";
struct signal_name {
const char *name;
#ifndef __alpha__
{"IOT", SIGIOT},
#endif
-#if defined(sparc) || defined(__alpha__)
+#if defined(__sparc__) || defined(__alpha__)
{"EMT", SIGEMT},
#else
{"BUS", SIGBUS},
#endif
{"FPE", SIGFPE},
{"KILL", SIGKILL},
-#if defined(sparc) || defined(__alpha__)
+#if defined(__sparc__) || defined(__alpha__)
{"BUS", SIGBUS},
#else
{"USR1", SIGUSR1},
#endif
{"SEGV", SIGSEGV},
-#if defined(sparc) || defined(__alpha__)
+#if defined(__sparc__) || defined(__alpha__)
{"SYS", SIGSYS},
#else
{"USR2", SIGUSR2},
{"PIPE", SIGPIPE},
{"ALRM", SIGALRM},
{"TERM", SIGTERM},
-#if defined(sparc) || defined(__alpha__)
+#if defined(__sparc__) || defined(__alpha__)
{"URG", SIGURG},
{"STOP", SIGSTOP},
{"TSTP", SIGTSTP},
extern int kill_main (int argc, char **argv)
{
- int had_error = 0;
int sig = SIGTERM;
+
+ argc--;
+ argv++;
+ /* Parse any options */
+ if (argc < 1)
+ usage(kill_usage);
+ while (argc > 0 && **argv == '-') {
+ while (*++(*argv)) {
+ switch (**argv) {
+ case 'l':
+ {
+ int col=0;
+ const struct signal_name *s = signames;
-
- if (argv[1][0] == '-') {
- if (argv[1][1] >= '0' && argv[1][1] <= '9') {
- sig = atoi (&argv[1][1]);
- if (sig < 0 || sig >= NSIG)
- goto end;
- } else {
- const struct signal_name *s = signames;
- for (;;) {
- if (strcmp (s->name, &argv[1][1]) == 0) {
- sig = s->number;
- break;
+ while (s->name != 0) {
+ col+=fprintf(stderr, "%2d) %-8s", s->number, (s++)->name);
+ if (col>60) {
+ fprintf(stderr, "\n");
+ col=0;
+ }
+ }
+ fprintf(stderr, "\n\n");
+ exit( TRUE);
+ }
+ break;
+ case '-':
+ usage(kill_usage);
+ default:
+ {
+ if (isdigit( **argv)) {
+ sig = atoi (*argv);
+ if (sig < 0 || sig >= NSIG)
+ goto end;
+ else {
+ argc--;
+ argv++;
+ goto do_it_now;
+ }
+ }
+ else {
+ const struct signal_name *s = signames;
+ while (s->name != 0) {
+ if (strcasecmp (s->name, *argv) == 0) {
+ sig = s->number;
+ argc--;
+ argv++;
+ goto do_it_now;
+ }
+ s++;
+ }
+ if (s->name == 0)
+ goto end;
+ }
}
- s++;
- if (s->name == 0)
- goto end;
}
- }
- argv++;
argc--;
-
+ argv++;
+ }
}
- while (argc > 1) {
- int pid;
- if (argv[1][0] < '0' || argv[1][0] > '9')
- goto end;
- pid = atoi (argv[1]);
- if (kill (pid, sig) != 0) {
- had_error = 1;
- perror (argv[1]);
+
+do_it_now:
+
+ while (argc >= 1) {
+ int pid;
+ struct stat statbuf;
+ char pidpath[20]="/proc/";
+
+ if (! isdigit( **argv)) {
+ fprintf(stderr, "bad PID: %s\n", *argv);
+ exit( FALSE);
+ }
+ pid = atoi (*argv);
+ snprintf(pidpath, 20, "/proc/%s/stat", *argv);
+ if (stat( pidpath, &statbuf)!=0) {
+ fprintf(stderr, "kill: (%d) - No such pid\n", pid);
+ exit( FALSE);
}
+ if (kill (pid, sig) != 0) {
+ perror (*argv);
+ exit ( FALSE);
+ }
argv++;
- argc--;
}
- if (had_error) {
+ exit ( TRUE);
+
+
end:
- usage (kill_usage);
- }
+ fprintf(stderr, "bad signal name: %s\n", *argv);
exit (TRUE);
}
+
+