@@ -21,13 +21,11 @@
 #include <math.h>
 
 #ifdef HAVE_FCNTL_H
 # include <fcntl.h>
 #endif
-#ifdef HAVE_UNISTD_H
-# include <unistd.h>
-#endif
+#include "unistd_wrapper.h"
 
 #include <sys/types.h>
 #include <sys/event.h>
 #include <sys/time.h>