((a)->tv_usec += 1000000, (a)->tv_sec--) )
#endif
+#if defined(_GNU_SOURCE)
+#define TIMEVAL_TO_TIMESPEC(tv, ts) ( \
+ (ts)->tv_sec = (tv)->tv_sec, \
+ (ts)->tv_nsec = (tv)->tv_usec * 1000, \
+ (void)0 )
+#define TIMESPEC_TO_TIMEVAL(tv, ts) ( \
+ (tv)->tv_sec = (ts)->tv_sec, \
+ (tv)->tv_usec = (ts)->tv_nsec / 1000, \
+ (void)0 )
+#endif
+
#ifdef __cplusplus
}
#endif