Adding RTS & DTS mechanism (not working yet)

include/blisp_util.h

@@ -0,0 +1,21 @@
+#ifndef _BLISP_UTIL_H
+#define _BLISP_UTIL_H
+
+#ifdef WIN32
+#include <windows.h>
+#else
+#include <time.h>
+#endif
+
+static void sleep_ms(int milliseconds){
+#ifdef WIN32
+    Sleep(milliseconds);
+#else
+    struct timespec ts;
+    ts.tv_sec = milliseconds / 1000;
+    ts.tv_nsec = (milliseconds % 1000) * 1000000;
+    nanosleep(&ts, NULL);
+#endif
+}
+
+#endif