+#if defined(HAVE_LINUX_RANDOM_H) && \
+ defined(GRND_NONBLOCK) && \
+ defined(SYS_getrandom)
+ /* --- Use the new shinies if available --- */
+
+ while (n < sizeof(buf)) {
+ if ((len = syscall(SYS_getrandom, buf + n, sizeof(buf) - n,
+ GRND_NONBLOCK)) <= 0) {
+ if (errno == ENOSYS) break;
+ else goto done;
+ }
+ n += len;
+ }
+ if (n == sizeof(buf)) goto win;
+#endif
+