avoid initial aberant value in semaphore test

diff --git a/semaphore.c b/semaphore.c
index 223937d694b282fd0e0415232cafc5bf14b3d712..7552ee22fc5dd2bb6dc56d37f90d8e712353fc22 100644 (file)
--- a/semaphore.c
+++ b/semaphore.c
@@ -66,6 +66,9 @@ void *pong (__attribute__((unused)) void *arg)
         sem_wait (&sem);
         sys_timestamp (&ts2);
         deltas[i] = diff_timestamp (&ts2, &ts1);
+        if ((i == 0) && (deltas[i] > 1e9)) {
+            i--;
+        }
 
         pthread_mutex_lock (&mutex);
         usleep (TIMER);