One of the glibc functions that was added in 2012 already is actually
specified in ISO C 11: 'timespec_get'. This set of patches implements it,
as a thin wrapper around the 'gettime' module.


2021-01-02  Bruno Haible  <bruno@clisp.org>

	timespec_get: Add tests.
	* tests/test-timespec_get.c: New file.
	* modules/timespec_get-tests: New file.

	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.

2021-01-01  Bruno Haible  <bruno@clisp.org>

	time: Define TIME_UTC.
	* lib/time.in.h (TIME_UTC, GNULIB_defined_TIME_UTC): New macros.
	* m4/time_h.m4 (gl_HEADER_TIME_H_BODY): Set TIME_H_DEFINES_TIME_UTC.
	* modules/time (Makefile.am): Substitute TIME_H_DEFINES_TIME_UTC.
	* tests/test-time.c: Check that TIME_UTC is defined and a positive
	integer.
	* doc/posix-headers/time.texi: Mention TIME_UTC.