[glibc] tst: Add test for ntp_adjtime

[glibc] tst: Add test for ntp_adjtime

[Lukasz Majewski]

https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=6b6a151c7709d9a0da25a2d74ad73e0f78566491

commit 6b6a151c7709d9a0da25a2d74ad73e0f78566491
Author: Lukasz Majewski <lukma@denx.de>
Date:   Sun Feb 28 23:26:21 2021 +0100

    tst: Add test for ntp_adjtime
    
    This test is a wrapper on tst-clock_adjtime test.
    
    Reviewed-by: Adhemerval Zanella <adhemerval.zanella@linaro.org>

Diff:
---
 sysdeps/unix/sysv/linux/Makefile          |  2 +-
 sysdeps/unix/sysv/linux/tst-ntp_adjtime.c | 22 ++++++++++++++++++++++
 2 files changed, 23 insertions(+), 1 deletion(-)

diff --git a/sysdeps/unix/sysv/linux/Makefile b/sysdeps/unix/sysv/linux/Makefile
index 94d4ef3dc9..0441f2a54d 100644
--- a/sysdeps/unix/sysv/linux/Makefile
+++ b/sysdeps/unix/sysv/linux/Makefile
@@ -108,7 +108,7 @@ tests += tst-clone tst-clone2 tst-clone3 tst-fanotify tst-personality \
 	 tst-rlimit-infinity tst-ofdlocks tst-gettid tst-gettid-kill \
 	 tst-tgkill tst-sysvsem-linux tst-sysvmsg-linux tst-sysvshm-linux \
 	 tst-timerfd tst-ppoll tst-futimens tst-utime tst-utimes \
-	 tst-clock_adjtime tst-adjtimex
+	 tst-clock_adjtime tst-adjtimex tst-ntp_adjtime
 tests-internal += tst-ofdlocks-compat tst-sigcontext-get_pc
 
 CFLAGS-tst-sigcontext-get_pc.c = -fasynchronous-unwind-tables
diff --git a/sysdeps/unix/sysv/linux/tst-ntp_adjtime.c b/sysdeps/unix/sysv/linux/tst-ntp_adjtime.c
new file mode 100644
index 0000000000..d030a24b77
--- /dev/null
+++ b/sysdeps/unix/sysv/linux/tst-ntp_adjtime.c
@@ -0,0 +1,22 @@
+/* Test for ntp_adjtime.
+   Copyright (C) 2021 Free Software Foundation, Inc.
+   This file is part of the GNU C Library.
+
+   The GNU C Library is free software; you can redistribute it and/or
+   modify it under the terms of the GNU Lesser General Public
+   License as published by the Free Software Foundation; either
+   version 2.1 of the License, or (at your option) any later version.
+
+   The GNU C Library 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
+   Lesser General Public License for more details.
+
+   You should have received a copy of the GNU Lesser General Public
+   License along with the GNU C Library; if not, see
+   <https://www.gnu.org/licenses/>.  */
+
+#include <sys/timex.h>
+#define ADJTIME_CALL(__clock, __timex) ntp_adjtime (__timex)
+
+#include "tst-clock_adjtime.c"