* Mini kill/killall implementation for busybox
*
* Copyright (C) 1995, 1996 by Bruce Perens <bruce@pixar.com>.
+ * Copyright (C) 1999-2004 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
#include <unistd.h>
#include "busybox.h"
-static const int KILL = 0;
-static const int KILLALL = 1;
-
+#define KILL 0
+#define KILLALL 1
extern int kill_main(int argc, char **argv)
{
- int whichApp, sig = SIGTERM;
+ int whichApp, signo = SIGTERM;
const char *name;
+ int errors = 0;
-#ifdef BB_KILLALL
+#ifdef CONFIG_KILLALL
+ int quiet=0;
/* Figure out what we are trying to do here */
- whichApp = (strcmp(applet_name, "killall") == 0)? KILLALL : KILL;
+ whichApp = (strcmp(bb_applet_name, "killall") == 0)? KILLALL : KILL;
#else
whichApp = KILL;
#endif
- argc--;
- argv++;
/* Parse any options */
- if (argc < 1)
- show_usage();
-
- while (argc > 0 && **argv == '-') {
- while (*++(*argv)) {
- switch (**argv) {
- case 'l':
- if(argc>1) {
- for(argv++; *argv; argv++) {
- name = u_signal_names(*argv, &sig, -1);
- if(name!=NULL)
- printf("%s\n", name);
- }
- } else {
- int col = 0;
- for(sig=1; sig < NSIG; sig++) {
- name = u_signal_names(0, &sig, 1);
- if(name==NULL) /* unnamed */
- continue;
- col += printf("%2d) %-16s", sig, name);
- if (col > 60) {
- printf("\n");
- col = 0;
- }
- }
+ 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;
}
- return EXIT_SUCCESS;
- case '-':
- show_usage();
- default:
- name = u_signal_names(*argv, &sig, 0);
- if(name==NULL)
- error_msg_and_die( "bad signal name: %s", *argv);
- argc--;
- argv++;
- goto do_it_now;
- }
- argc--;
- argv++;
+ }
+ 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;
+ }
+
+#ifdef CONFIG_KILLALL
+ /* 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;
}
}
+#endif
- do_it_now:
+ 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 */
int pid;
if (!isdigit(**argv))
- perror_msg_and_die( "Bad PID");
+ bb_error_msg_and_die( "Bad PID '%s'", *argv);
pid = strtol(*argv, NULL, 0);
- if (kill(pid, sig) != 0)
- perror_msg_and_die( "Could not kill pid '%d'", pid);
+ if (kill(pid, signo) != 0) {
+ bb_perror_msg( "Could not kill pid '%d'", pid);
+ errors++;
+ }
argv++;
}
- }
-#ifdef BB_KILLALL
+
+ }
+#ifdef CONFIG_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;
+ long* pidList;
- pidList = find_pid_by_name( *argv);
+ pidList = find_pid_by_name(*argv);
if (!pidList || *pidList<=0) {
- all_found = FALSE;
- error_msg_and_die( "%s: no process killed", *argv);
- }
+ errors++;
+ if (quiet==0)
+ bb_error_msg( "%s: no process killed", *argv);
+ } else {
+ long *pl;
- for(; pidList && *pidList!=0; pidList++) {
- if (*pidList==myPid)
- continue;
- if (kill(*pidList, sig) != 0)
- perror_msg_and_die( "Could not kill pid '%d'", *pidList);
+ 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);
+ }
+ }
}
- /* Note that we don't bother to free the memory
- * allocated in find_pid_by_name(). It will be freed
- * upon exit, so we can save a byte or two */
+ free(pidList);
argv++;
}
- if (all_found == FALSE)
- return EXIT_FAILURE;
}
#endif
-
- return EXIT_SUCCESS;
+ return errors;
}
projects / oweals / busybox.git / blobdiff