Added 'renice' command, thanks to Dave Cinege <dcinege@psychosis.com>

-Erik

applets/busybox.c

@@ -250,6 +250,9 @@ const struct BB_applet applets[] = {
 #ifdef BB_REBOOT
 	{"reboot", reboot_main, _BB_DIR_SBIN, reboot_usage},
 #endif
+#ifdef BB_RENICE
+	{"renice", renice_main, _BB_DIR_USR_BIN},
+#endif
 #ifdef BB_RM
 	{"rm", rm_main, _BB_DIR_BIN, rm_usage},
 #endif
@@ -484,8 +487,9 @@ int main(int argc, char **argv)
 #ifdef BB_SH
 	/* Add in a special case hack -- whenever **argv == '-'
 	 * (i.e. '-su' or '-sh') always invoke the shell */
-	if (**argv == '-')
+	if (**argv == '-' && *(*argv+1)!= '-') {
 		exit(((*(shell_main)) (argc, argv)));
+	}
 #endif
 
 	while (a->name != 0) {

applets/usage.c

@@ -859,6 +859,18 @@ const char reboot_usage[] =
 	;
 #endif
 
+	
+#if defined BB_RENICE
+const char renice_usage[] =
+	"renice priority pid [pid ...]\n"
+#ifndef BB_FEATURE_TRIVIAL_HELP
+	"\nChanges priority of running processes. Allowed priorities range\n"
+	"from 20 (the process runs only when nothing else is running) to 0\n"
+	"(default priority) to -20 (almost nothing else ever gets to run).\n"
+#endif
+	;
+#endif
+
 #if defined BB_RM
 const char rm_usage[] =
 	"rm [OPTION]... FILE...\n"