-warn

lib/u_async.c

@@ -941,7 +941,8 @@ void uasync_poll(struct UASYNC* ua, int timeout_tb) {
 #ifdef _WIN32
             Sleep(timeout_ms);
 #else
-            usleep(timeout_ms * 1000);
+            struct timespec ts = { timeout_ms / 1000, (timeout_ms % 1000) * 1000000 };
+            nanosleep(&ts, NULL);
 #endif
         }
         process_timeouts(ua);