timespec_get: New module.

* lib/time.in.h (timespec_get): New declaration.
* lib/timespec_get.c: New file.
* m4/timespec_get.m4: New file.
* m4/time_h.m4 (gl_HEADER_TIME_H_DEFAULTS): Initialize
GNULIB_TIMESPEC_GET, HAVE_TIMESPEC_GET.
* modules/time (Makefile.am): Substitute GNULIB_TIMESPEC_GET,
HAVE_TIMESPEC_GET.
* modules/timespec_get: New file.
* tests/test-time-c++.cc (timespec_get): Check signature.
* doc/glibc-functions/timespec_get.texi: Mention the new module.

1 files changed, 33 insertions, 0 deletions

diff --git a/lib/timespec_get.c b/lib/timespec_get.c
new file mode 100644
index 0000000000..d738c12b89
--- /dev/null
+++ b/lib/timespec_get.c
@@ -0,0 +1,33 @@
+/* timespec_get() function.
+   Copyright (C) 2021 Free Software Foundation, Inc.
+
+   This program is free software: you can redistribute it and/or modify
+   it under the terms of the GNU General Public License as published by
+   the Free Software Foundation; either version 3 of the License, or
+   (at your option) any later version.
+
+   This program is distributed in the hope that it will be useful,
+   but WITHOUT ANY WARRANTY; without even the implied warranty of
+   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+   GNU General Public License for more details.
+
+   You should have received a copy of the GNU General Public License
+   along with this program.  If not, see <https://www.gnu.org/licenses/>.  */
+
+#include <config.h>
+
+/* Specification.  */
+#include <time.h>
+
+#include "timespec.h"
+
+int
+timespec_get (struct timespec *ts, int base)
+{
+  if (base == TIME_UTC)
+    {
+      gettime (ts);
+      return base;
+    }
+  return 0;
+}