--- cron.c.orig	2003-10-15 15:42:57.000000000 +0900
+++ cron.c	2003-10-15 16:16:07.000000000 +0900
@@ -19,7 +19,6 @@
 static char rcsid[] = "$Id: cron.c,v 2.11 1994/01/15 20:43:43 vixie Exp $";
 #endif
 
-
 #define	MAIN_PROGRAM
 
 
@@ -47,10 +46,11 @@
 
 static void
 usage() {
-	fprintf(stderr, "usage:  %s [-x debugflag[,...]]\n", ProgramName);
+	fprintf(stderr, "usage:  %s -F [-x debugflag[,...]]\n", ProgramName);
 	exit(ERROR_EXIT);
 }
 
+int exec_fork = 1;
 
 int
 main(argc, argv)
@@ -92,19 +92,23 @@
 # endif
 		(void) fprintf(stderr, "[%d] cron started\n", getpid());
 	} else {
-		switch (fork()) {
-		case -1:
-			log_it("CRON",getpid(),"DEATH","can't fork");
-			exit(0);
-			break;
-		case 0:
-			/* child process */
-			log_it("CRON",getpid(),"STARTUP","fork ok");
-			(void) setsid();
-			break;
-		default:
-			/* parent process should just die */
-			_exit(0);
+		if (exec_fork == 1) {
+			switch (fork()) {
+			case -1:
+				log_it("CRON",getpid(),"DEATH","can't fork");
+				exit(0);
+				break;
+			case 0:
+				/* child process */
+				log_it("CRON",getpid(),"STARTUP","fork ok");
+				(void) setsid();
+				break;
+			default:
+				/* parent process should just die */
+				_exit(0);
+			}
+		} else {
+			log_it("CRON",getpid(),"STARTUP","Don't fork mode");
 		}
 	}
 
@@ -310,10 +314,13 @@
 {
 	int	argch;
 
-	while (EOF != (argch = getopt(argc, argv, "x:"))) {
+	while (EOF != (argch = getopt(argc, argv, "Fx:"))) {
 		switch (argch) {
 		default:
 			usage();
+		case 'F':
+			exec_fork = 0;
+			break;
 		case 'x':
 			if (!set_debug_flags(optarg))
 				usage();