diff --git a/V2/loop.c b/V2/loop.c
new file mode 100644
index 0000000..fdfbb6f
--- /dev/null
+++ b/V2/loop.c
@@ -0,0 +1,16 @@
+#include<stdio.h>
+#include<time.h>
+#include<pthread.h>
+
+int main(int argc, char *argv[])
+{
+	struct timespec time1, time2;
+	time_t start, ende;
+	time1.tv_sec = 0;
+	time1.tv_nsec = 500000000000L;
+	time(&start);
+	clock_nanosleep(CLOCK_REALTIME, 0, &deadline, NULL);
+	time(&ende);
+
+	return 0;
+}