+/*
+ * 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;
- int number;
+ const char *name;
+ int number;
};
const struct signal_name signames[] = {
- { "HUP", SIGHUP },
- { "INT", SIGINT },
- { "QUIT", SIGQUIT },
- { "ILL", SIGILL },
- { "TRAP", SIGTRAP },
- { "ABRT", SIGABRT },
+ {"HUP", SIGHUP},
+ {"INT", SIGINT},
+ {"QUIT", SIGQUIT},
+ {"ILL", SIGILL},
+ {"TRAP", SIGTRAP},
+ {"ABRT", SIGABRT},
#ifndef __alpha__
- { "IOT", SIGIOT },
+ {"IOT", SIGIOT},
#endif
-#if defined(sparc) || defined(__alpha__)
- { "EMT", SIGEMT },
+#if defined(__sparc__) || defined(__alpha__)
+ {"EMT", SIGEMT},
#else
- { "BUS", SIGBUS },
+ {"BUS", SIGBUS},
#endif
- { "FPE", SIGFPE },
- { "KILL", SIGKILL },
-#if defined(sparc) || defined(__alpha__)
- { "BUS", SIGBUS },
+ {"FPE", SIGFPE},
+ {"KILL", SIGKILL},
+#if defined(__sparc__) || defined(__alpha__)
+ {"BUS", SIGBUS},
#else
- { "USR1", SIGUSR1 },
+ {"USR1", SIGUSR1},
#endif
- { "SEGV", SIGSEGV },
-#if defined(sparc) || defined(__alpha__)
- { "SYS", SIGSYS },
+ {"SEGV", SIGSEGV},
+#if defined(__sparc__) || defined(__alpha__)
+ {"SYS", SIGSYS},
#else
- { "USR2", SIGUSR2 },
+ {"USR2", SIGUSR2},
#endif
- { "PIPE", SIGPIPE },
- { "ALRM", SIGALRM },
- { "TERM", SIGTERM },
-#if defined(sparc) || defined(__alpha__)
- { "URG", SIGURG },
- { "STOP", SIGSTOP },
- { "TSTP", SIGTSTP },
- { "CONT", SIGCONT },
- { "CHLD", SIGCHLD },
- { "TTIN", SIGTTIN },
- { "TTOU", SIGTTOU },
- { "IO", SIGIO },
+ {"PIPE", SIGPIPE},
+ {"ALRM", SIGALRM},
+ {"TERM", SIGTERM},
+#if defined(__sparc__) || defined(__alpha__)
+ {"URG", SIGURG},
+ {"STOP", SIGSTOP},
+ {"TSTP", SIGTSTP},
+ {"CONT", SIGCONT},
+ {"CHLD", SIGCHLD},
+ {"TTIN", SIGTTIN},
+ {"TTOU", SIGTTOU},
+ {"IO", SIGIO},
# ifndef __alpha__
- { "POLL", SIGIO },
+ {"POLL", SIGIO},
# endif
- { "XCPU", SIGXCPU },
- { "XFSZ", SIGXFSZ },
- { "VTALRM", SIGVTALRM },
- { "PROF", SIGPROF },
- { "WINCH", SIGWINCH },
+ {"XCPU", SIGXCPU},
+ {"XFSZ", SIGXFSZ},
+ {"VTALRM", SIGVTALRM},
+ {"PROF", SIGPROF},
+ {"WINCH", SIGWINCH},
# ifdef __alpha__
- { "INFO", SIGINFO },
+ {"INFO", SIGINFO},
# else
- { "LOST", SIGLOST },
+ {"LOST", SIGLOST},
# endif
- { "USR1", SIGUSR1 },
- { "USR2", SIGUSR2 },
+ {"USR1", SIGUSR1},
+ {"USR2", SIGUSR2},
#else
- { "STKFLT", SIGSTKFLT },
- { "CHLD", SIGCHLD },
- { "CONT", SIGCONT },
- { "STOP", SIGSTOP },
- { "TSTP", SIGTSTP },
- { "TTIN", SIGTTIN },
- { "TTOU", SIGTTOU },
- { "URG", SIGURG },
- { "XCPU", SIGXCPU },
- { "XFSZ", SIGXFSZ },
- { "VTALRM", SIGVTALRM },
- { "PROF", SIGPROF },
- { "WINCH", SIGWINCH },
- { "IO", SIGIO },
- { "POLL", SIGPOLL },
- { "PWR", SIGPWR },
- { "UNUSED", SIGUNUSED },
+ {"STKFLT", SIGSTKFLT},
+ {"CHLD", SIGCHLD},
+ {"CONT", SIGCONT},
+ {"STOP", SIGSTOP},
+ {"TSTP", SIGTSTP},
+ {"TTIN", SIGTTIN},
+ {"TTOU", SIGTTOU},
+ {"URG", SIGURG},
+ {"XCPU", SIGXCPU},
+ {"XFSZ", SIGXFSZ},
+ {"VTALRM", SIGVTALRM},
+ {"PROF", SIGPROF},
+ {"WINCH", SIGWINCH},
+ {"IO", SIGIO},
+ {"POLL", SIGPOLL},
+ {"PWR", SIGPWR},
+ {"UNUSED", SIGUNUSED},
#endif
- { 0, 0 }
+ {0, 0}
};
-extern int
-kill_main(struct FileInfo * i, int argc, char * * argv)
+extern int kill_main (int argc, char **argv)
{
- int had_error = 0;
- int sig = SIGTERM;
- if ( argv[1][0] == '-' ) {
- if ( argv[1][1] >= '0' && argv[1][1] <= '9' ) {
- sig = atoi(&argv[1][1]);
- if ( sig < 0 || sig >= NSIG ) {
- usage(kill_usage);
- exit(-1);
+ 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;
+
+ 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);
}
- else {
- const struct signal_name * s = signames;
- for ( ; ; ) {
- if ( strcmp(s->name, &argv[1][1]) == 0 ) {
- sig = s->number;
- break;
- }
- s++;
- if ( s->name == 0 ) {
- usage(kill_usage);
- exit(-1);
- }
+ 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;
+ }
}
- argv++;
- argc--;
-
+ }
+ argc--;
+ argv++;
}
- while ( argc > 1 ) {
- int pid;
- if ( argv[1][0] < '0' || argv[1][0] > '9' ) {
- usage(kill_usage);
- exit(-1);
- }
- pid = atoi(argv[1]);
- if ( kill(pid, sig) != 0 ) {
- had_error = 1;
- perror(argv[1]);
- }
- argv++;
- argc--;
+ }
+
+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 ( had_error )
- return -1;
- else
- return 0;
+ if (kill (pid, sig) != 0) {
+ perror (*argv);
+ exit ( FALSE);
+ }
+ argv++;
+ }
+ exit ( TRUE);
+
+
+end:
+ fprintf(stderr, "bad signal name: %s\n", *argv);
+ exit (TRUE);
}
+
+
projects / oweals / busybox.git / blobdiff