1 files changed, 12 insertions, 1 deletions

diff --git a/gl/time.in.h b/gl/time.in.h
index a73fe59..6d4c771 100644
--- a/gl/time.in.h
+++ b/gl/time.in.h
@@ -1,6 +1,6 @@
 /* A more-standard <time.h>.
 
-   Copyright (C) 2007-2021 Free Software Foundation, Inc.
+   Copyright (C) 2007-2022 Free Software Foundation, Inc.
 
    This file is free software: you can redistribute it and/or modify
    it under the terms of the GNU Lesser General Public License as
@@ -120,6 +120,17 @@ _GL_CXXALIAS_SYS (timespec_get, int, (struct timespec *ts, int base));
 _GL_CXXALIASWARN (timespec_get);
 # endif
 
+/* Set *TS to the current time resolution, and return BASE.
+   Upon failure, return 0.  */
+# if @GNULIB_TIMESPEC_GETRES@
+#  if ! @HAVE_TIMESPEC_GETRES@
+_GL_FUNCDECL_SYS (timespec_getres, int, (struct timespec *ts, int base)
+                                        _GL_ARG_NONNULL ((1)));
+#  endif
+_GL_CXXALIAS_SYS (timespec_getres, int, (struct timespec *ts, int base));
+_GL_CXXALIASWARN (timespec_getres);
+# endif
+
 /* Sleep for at least RQTP seconds unless interrupted,  If interrupted,
    return -1 and store the remaining time into RMTP.  See
    <https://pubs.opengroup.org/onlinepubs/9699919799/functions/nanosleep.html>.  */