-#include "internal.h"
+/* vi: set sw=4 ts=4: */
+/*
+ * Mini kill/killall implementation for busybox
+ *
+ * Copyright (C) 1995, 1996 by Bruce Perens <bruce@pixar.com>.
+ * Copyright (C) 1999-2003 by Erik Andersen <andersen@codepoet.org>
+ *
+ * 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 <stdio.h>
#include <stdlib.h>
+#include <errno.h>
#include <unistd.h>
#include <signal.h>
+#include <ctype.h>
+#include <string.h>
+#include <unistd.h>
+#include "busybox.h"
-const char kill_usage[] = "kill [-signal] process-id [process-id ...]\n";
-
-struct signal_name {
- const char * name;
- int number;
-};
-
-const struct signal_name signames[] = {
- { "HUP", SIGHUP },
- { "INT", SIGINT },
- { "QUIT", SIGQUIT },
- { "ILL", SIGILL },
- { "TRAP", SIGTRAP },
- { "ABRT", SIGABRT },
-#ifndef __alpha__
- { "IOT", SIGIOT },
-#endif
-#if defined(sparc) || defined(__alpha__)
- { "EMT", SIGEMT },
-#else
- { "BUS", SIGBUS },
-#endif
- { "FPE", SIGFPE },
- { "KILL", SIGKILL },
-#if defined(sparc) || defined(__alpha__)
- { "BUS", SIGBUS },
-#else
- { "USR1", SIGUSR1 },
-#endif
- { "SEGV", SIGSEGV },
-#if defined(sparc) || defined(__alpha__)
- { "SYS", SIGSYS },
-#else
- { "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 },
-# ifndef __alpha__
- { "POLL", SIGIO },
-# endif
- { "XCPU", SIGXCPU },
- { "XFSZ", SIGXFSZ },
- { "VTALRM", SIGVTALRM },
- { "PROF", SIGPROF },
- { "WINCH", SIGWINCH },
-# ifdef __alpha__
- { "INFO", SIGINFO },
-# else
- { "LOST", SIGLOST },
-# endif
- { "USR1", SIGUSR1 },
- { "USR2", SIGUSR2 },
+#define KILL 0
+#define KILLALL 1
+
+extern int kill_main(int argc, char **argv)
+{
+ int whichApp, signo = SIGTERM, quiet = 0;
+ const char *name;
+ int errors = 0;
+
+#ifdef CONFIG_KILLALL
+ /* Figure out what we are trying to do here */
+ whichApp = (strcmp(bb_applet_name, "killall") == 0)? KILLALL : KILL;
#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 },
+ whichApp = KILL;
#endif
- { 0, 0 }
-};
-extern int
-kill_main(struct FileInfo * i, 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);
- }
- }
- 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);
+ /* Parse any options */
+ if (argc < 2)
+ bb_show_usage();
+
+ if(argv[1][0] != '-'){
+ argv++;
+ argc--;
+ goto do_it_now;
+ }
+
+ /* The -l option, which prints out signal names. */
+ if(argv[1][1]=='l' && argv[1][2]=='\0'){
+ if(argc==2) {
+ /* Print the whole signal list */
+ int col = 0;
+ for(signo=1; signo < NSIG; signo++) {
+ name = u_signal_names(0, &signo, 1);
+ if(name==NULL) /* unnamed */
+ continue;
+ col += printf("%2d) %-16s", signo, name);
+ if (col > 60) {
+ printf("\n");
+ col = 0;
}
}
+ printf("\n");
+
+ } else {
+ for(argv++; *argv; argv++) {
+ name = u_signal_names(*argv, &signo, -1);
+ if(name!=NULL)
+ printf("%s\n", name);
+ }
}
+ /* If they specified -l, were all done */
+ return EXIT_SUCCESS;
+ }
+
+ /* The -q quiet option */
+ if(argv[1][1]=='q' && argv[1][2]=='\0'){
+ quiet++;
argv++;
argc--;
-
+ if(argc<2 || argv[1][0] != '-'){
+ goto do_it_now;
+ }
}
- while ( argc > 1 ) {
- int pid;
- if ( argv[1][0] < '0' || argv[1][0] > '9' ) {
- usage(kill_usage);
- exit(-1);
+
+ if(!u_signal_names(argv[1]+1, &signo, 0))
+ bb_error_msg_and_die( "bad signal name '%s'", argv[1]+1);
+ argv+=2;
+ argc-=2;
+
+do_it_now:
+
+ if (whichApp == KILL) {
+ /* Looks like they want to do a kill. Do that */
+ while (--argc >= 0) {
+ int pid;
+
+ if (!isdigit(**argv))
+ bb_error_msg_and_die( "Bad PID '%s'", *argv);
+ pid = strtol(*argv, NULL, 0);
+ if (kill(pid, signo) != 0) {
+ bb_perror_msg( "Could not kill pid '%d'", pid);
+ errors++;
+ }
+ argv++;
}
- pid = atoi(argv[1]);
- if ( kill(pid, sig) != 0 ) {
- had_error = 1;
- perror(argv[1]);
+
+ }
+#ifdef CONFIG_KILLALL
+ else {
+ pid_t myPid=getpid();
+ /* Looks like they want to do a killall. Do that */
+ while (--argc >= 0) {
+ long* pidList;
+
+ pidList = find_pid_by_name(*argv);
+ if (!pidList || *pidList<=0) {
+ errors++;
+ if (quiet==0)
+ bb_error_msg( "%s: no process killed", *argv);
+ } else {
+ long *pl;
+
+ for(pl = pidList; *pl !=0 ; pl++) {
+ if (*pl==myPid)
+ continue;
+ if (kill(*pl, signo) != 0) {
+ errors++;
+ if (quiet==0)
+ bb_perror_msg( "Could not kill pid '%ld'", *pl);
+ }
+ }
+ }
+ free(pidList);
+ argv++;
}
- argv++;
- argc--;
}
- if ( had_error )
- return -1;
- else
- return 0;
+#endif
+ return errors;
}
projects / oweals / busybox.git / blobdiff