[Buildroot] [PATCH 2/2] support/testing: TestOpenJdk: remove stime() function call

[Thomas Perale]

In reply of:
> stime() has been deprecated in glibc 2.31 [1] and replaced with
> clock_settime(). Let's replace the stime() function call used in
> BR2_PACKAGE_OPENJDK_JNI_TEST sources with clock_settime().
> 
> Apply the same change as busybox [2]. Make sure that timeToSet
> has been zeroed.
> 
> With that fixed, the test "Call Native Library to Set System Time"
> succeed:
> 
>   [BRTEST# java -cp /usr/bin JniTest
>   Test: Get JNI Version passed
>   Test: Read Native String Constant passed
>   Test: Write Java String to Native Library passed
>   Test: Write Java Char Array to Native Library passed
>   Test: Write String Member to Native Library passed
>   Test: Set String Member from Native Library passed
>   Test: Execeute Java Function from Native Library passed
>   Test: Instantiate Java Class passed
>   Test: Call Native Library to Set System Time passed
>   [BRTEST# echo $?
>   0
> 
> The last external toolchain using a glibc 2.30 was the Bootlin
> aarch64--glibc--bleeding-edge-2020.02-2, so since then TestOpenJdk
> is broken.
> 
> Fixes:
> https://gitlab.com/buildroot.org/buildroot/-/jobs/11176774851
> 
> [1] https://lists.gnu.org/archive/html/info-gnu/2020-02/msg00001.html
> [2] https://git.busybox.net/busybox/commit/?id=d3539be8f27b8cbfdfee460fe08299158f08bcd9
> [3] https://toolchains.bootlin.com/downloads/releases/toolchains/aarch64/readmes/aarch64--glibc--bleeding-edge-2020.02-2.txt
> 
> Signed-off-by: Romain Naour <romain.naour at smile.fr>

Applied to 2025.02.x & 2025.05.x. Thanks

> ---
>  .../br2-external/openjdk/package/openjdk-jni-test/native.c  | 6 ++++--
>  1 file changed, 4 insertions(+), 2 deletions(-)
> 
> diff --git a/support/testing/tests/package/br2-external/openjdk/package/openjdk-jni-test/native.c b/support/testing/tests/package/br2-external/openjdk/package/openjdk-jni-test/native.c
> index ed87e345af..9e926a27d9 100644
> --- a/support/testing/tests/package/br2-external/openjdk/package/openjdk-jni-test/native.c
> +++ b/support/testing/tests/package/br2-external/openjdk/package/openjdk-jni-test/native.c
> @@ -29,8 +29,10 @@ void execute_function(void(*function)(void*), void* context)
>  }
>  void set_time_in_seconds(int seconds)
>  {
> -	time_t timeToSet = seconds;
> -	stime(&timeToSet);
> +	struct timespec timeToSet = { 0, 0 };
> +
> +	timeToSet.tv_sec = seconds;
> +	clock_settime(CLOCK_REALTIME, &timeToSet);
>  }
>  void write_internal_time_in_seconds()
>  {
> -- 
> 2.51.0
> 
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