/* vi: set sw=4 ts=4: */
/*
- * Mini kill implementation for busybox
+ * Mini kill/killall implementation for busybox
*
* Copyright (C) 1995, 1996 by Bruce Perens <bruce@pixar.com>.
*
#include "internal.h"
#include <stdio.h>
#include <stdlib.h>
+#include <errno.h>
#include <unistd.h>
#include <signal.h>
#include <ctype.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";
+ "kill [-signal] process-id [process-id ...]\n"
+#ifndef BB_FEATURE_TRIVIAL_HELP
+ "\nSend a signal (default is SIGTERM) to the specified process(es).\n\n"
+ "Options:\n" "\t-l\tList all signal names and numbers.\n\n"
+#endif
+ ;
+
+#ifdef BB_KILLALL
+static const char *killall_usage =
+ "killall [-signal] process-name [process-name ...]\n"
+#ifndef BB_FEATURE_TRIVIAL_HELP
+ "\nSend a signal (default is SIGTERM) to the specified process(es).\n\n"
+ "Options:\n" "\t-l\tList all signal names and numbers.\n\n"
+#endif
+#endif
+ ;
+#define KILL 0
+#define KILLALL 1
struct signal_name {
const char *name;
};
const struct signal_name signames[] = {
+ /* Everything, order not important */
{"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},
+ {"BUS", SIGBUS},
+ {"USR1", SIGUSR1},
+ {"USR2", SIGUSR2},
{"STOP", SIGSTOP},
- {"TSTP", SIGTSTP},
{"CONT", SIGCONT},
- {"CHLD", SIGCHLD},
{"TTIN", SIGTTIN},
{"TTOU", SIGTTOU},
{"IO", SIGIO},
-# ifndef __alpha__
- {"POLL", SIGIO},
-# endif
+ {"TSTP", SIGTSTP},
+ {"CHLD", SIGCHLD},
{"XCPU", SIGXCPU},
{"XFSZ", SIGXFSZ},
- {"VTALRM", SIGVTALRM},
{"PROF", SIGPROF},
{"WINCH", SIGWINCH},
-# ifdef __alpha__
- {"INFO", SIGINFO},
-# else
- {"LOST", SIGLOST},
-# endif
- {"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},
+#ifndef __alpha__
+ /* everything except alpha */
+ {"IOT", SIGIOT},
{"POLL", SIGPOLL},
+#endif
+#if defined(__sparc__) || defined(__alpha__) || defined(__mips__)
+ /* everthing except intel */
+ {"EMT", SIGEMT},
+ {"SYS", SIGSYS},
+# ifdef __alpha__
+ /* alpha only */
+ {"LOST", SIGLOST},
+#endif
+#ifdef __sparc__
+ /* space only */
+ {"INFO", SIGINFO},
+#endif
+#ifdef __mips__
+ /* mips only */
+ {"CLD", SIGCLD},
+ {"PWR", SIGPWR},
+#endif
+#else
+ /* intel only */
+ {"STKFLT", SIGSTKFLT},
{"PWR", SIGPWR},
{"UNUSED", SIGUNUSED},
#endif
extern int kill_main(int argc, char **argv)
{
- int sig = SIGTERM;
+ int whichApp, sig = SIGTERM;
+ const char *appUsage;
+
+#ifdef BB_KILLALL
+ /* Figure out what we are trying to do here */
+ whichApp = (strcmp(*argv, "killall") == 0)?
+ KILLALL : KILL;
+ appUsage = (whichApp == KILLALL)? killall_usage : kill_usage;
+#else
+ whichApp = KILL;
+ appUsage = kill_usage;
+#endif
argc--;
argv++;
/* Parse any options */
if (argc < 1)
- usage(kill_usage);
+ usage(appUsage);
while (argc > 0 && **argv == '-') {
while (*++(*argv)) {
}
break;
case '-':
- usage(kill_usage);
+ usage(appUsage);
default:
{
if (isdigit(**argv)) {
do_it_now:
- while (--argc >= 0) {
- int pid;
- struct stat statbuf;
- char pidpath[20] = "/proc/";
+ if (whichApp == KILL) {
+ /* Looks like they want to do a kill. Do that */
+ while (--argc >= 0) {
+ int pid;
- 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 (!isdigit(**argv))
+ fatalError( "Bad PID: %s\n", strerror(errno));
+ pid = strtol(*argv, NULL, 0);
+ if (kill(pid, sig) != 0)
+ fatalError( "Could not kill pid '%d': %s\n", pid, strerror(errno));
+ argv++;
}
- fprintf(stderr, "sig = %d\n", sig);
- if (kill(pid, sig) != 0) {
- perror(*argv);
- exit(FALSE);
+ }
+#ifdef BB_KILLALL
+ else {
+ int all_found = TRUE;
+ pid_t myPid=getpid();
+ /* Looks like they want to do a killall. Do that */
+ while (--argc >= 0) {
+ pid_t* pidList;
+
+ pidList = findPidByName( *argv);
+ if (!pidList) {
+ all_found = FALSE;
+ errorMsg( "%s: no process killed\n", *argv);
+ }
+
+ for(; pidList && *pidList!=0; pidList++) {
+ if (*pidList==myPid)
+ continue;
+ if (kill(*pidList, sig) != 0)
+ fatalError( "Could not kill pid '%d': %s\n", *pidList, strerror(errno));
+ }
+ /* Note that we don't bother to free the memory
+ * allocated in findPidByName(). It will be freed
+ * upon exit, so we can save a byte or two */
+ argv++;
}
- argv++;
+ exit (all_found);
}
+#endif
+
exit(TRUE);
end:
- fprintf(stderr, "bad signal name: %s\n", *argv);
- exit(TRUE);
+ fatalError( "bad signal name: %s\n", *argv);
}
projects / oweals / busybox.git / blobdiff