[LTP] [PATCH] msgget03: Set custom queue limit

Richard Palethorpe rpalethorpe@suse.de
Mon Oct 10 13:57:03 CEST 2022


Hello,

Merged!

Martin Doucha <mdoucha@suse.cz> writes:

> The runtime limit patchset has reduced default test timeout to 30 seconds
> which is not enough for msgget03 on some archs. Set custom queue count
> limit to make the test faster.
>
> Signed-off-by: Martin Doucha <mdoucha@suse.cz>
> ---
>  testcases/kernel/syscalls/ipc/msgget/msgget03.c | 9 +++++++--
>  1 file changed, 7 insertions(+), 2 deletions(-)
>
> diff --git a/testcases/kernel/syscalls/ipc/msgget/msgget03.c b/testcases/kernel/syscalls/ipc/msgget/msgget03.c
> index 711886e17..2257ae0f9 100644
> --- a/testcases/kernel/syscalls/ipc/msgget/msgget03.c
> +++ b/testcases/kernel/syscalls/ipc/msgget/msgget03.c
> @@ -41,7 +41,8 @@ static void setup(void)
>  	tst_res(TINFO, "Current environment %d message queues are already in use",
>  		used_cnt);
>  
> -	SAFE_FILE_SCANF("/proc/sys/kernel/msgmni", "%i", &maxmsgs);
> +	maxmsgs = used_cnt + 32;
> +	SAFE_FILE_PRINTF("/proc/sys/kernel/msgmni", "%i", maxmsgs);
>  
>  	queues = SAFE_MALLOC((maxmsgs - used_cnt) * sizeof(int));
>  
> @@ -73,5 +74,9 @@ static struct tst_test test = {
>  	.needs_tmpdir = 1,
>  	.setup = setup,
>  	.cleanup = cleanup,
> -	.test_all = verify_msgget
> +	.test_all = verify_msgget,
> +	.save_restore = (const struct tst_path_val[]){
> +		{"/proc/sys/kernel/msgmni", NULL},
> +		{}
> +	}
>  };
> -- 
> 2.36.1


-- 
Thank you,
Richard.


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