--- embedtools/src/butz.c	2014/02/08 16:37:56	1.1.2.3
+++ embedtools/src/butz.c	2014/02/08 16:48:36	1.1.2.4
@@ -162,7 +162,7 @@ int
 main(int argc, char **argv)
 {
 	char ch;
-	int gpio;
+	pid_t pid;
 	struct timespec ts = { 1, 0 };
 
 	while ((ch = getopt(argc, argv, "hc:d:")) != -1)
@@ -181,16 +181,34 @@ main(int argc, char **argv)
 	argc -= optind;
 	argv += optind;
 
+	switch ((pid = fork())) {
+		case -1:
+			printf("Error:: failed fork() #%d - %s\n", errno, strerror(errno));
+			return 1;
+		case 0:
+			setsid();
+			chdir("/");
+
+			gpio = open(_PATH_DEVNULL, O_RDWR);
+			if (gpio > 2) {
+				dup2(gpio, STDIN_FILENO);
+				dup2(gpio, STDOUT_FILENO);
+				dup2(gpio, STDERR_FILENO);
+				close(gpio);
+			}
+			break;
+		default:
+			return 0;
+	}
+
 	openlog("butz", LOG_PID | LOG_CONS, LOG_DAEMON);
 	gpio = open(szDevName, O_RDONLY);
 	if (gpio == -1) {
-		printf("Error:: Can't open /dev/gpioc #%d - %s\n", 
-				errno, strerror(errno));
+		ESYSERR(0);
 		return 1;
 	}
 	if (ioctl(gpio, GPIOMAXPIN, &maxpins) == -1) {
-		printf("Error:: Can't get max gpio pins #%d - %s\n", 
-				errno, strerror(errno));
+		ESYSERR(0);
 		return 1;
 	}
 
@@ -212,7 +230,7 @@ main(int argc, char **argv)
 
 	schedSignal(root, sigHandler, NULL, SIGHUP, NULL, 0);
 	schedSignal(root, sigHandler, NULL, SIGTERM, NULL, 0);
-	schedTimer(root, butReset, (void*) gpio, ts, NULL, 0);
+	schedTimer(root, butReset, NULL, ts, NULL, 0);
 
 	schedRun(root, &Kill);
 	schedEnd(&root);