[LTP] [PATCH v1] Refactor fork05 using new LTP API

[Richard Palethorpe]

Hello,

Andrea Cervesato <andrea.cervesato@suse.de> writes:

> From: Andrea Cervesato <andrea.cervesato@suse.com>
>
> Signed-off-by: Andrea Cervesato <andrea.cervesato@suse.com>
> ---
>  testcases/kernel/syscalls/fork/fork05.c | 133 +++++-------------------
>  1 file changed, 28 insertions(+), 105 deletions(-)
>
> diff --git a/testcases/kernel/syscalls/fork/fork05.c b/testcases/kernel/syscalls/fork/fork05.c
> index 9a99cff1d..bf146d32a 100644
> --- a/testcases/kernel/syscalls/fork/fork05.c
> +++ b/testcases/kernel/syscalls/fork/fork05.c
> @@ -1,44 +1,15 @@
> +// SPDX-License-Identifier: GPL-2.0-or-later
>  /*
>   * Copyright (c) 2000 Silicon Graphics, Inc.  All Rights Reserved.
> - * Portions Copyright (c) 2000 Ulrich Drepper
> - *
> - * This program is free software; you can redistribute it and/or modify it
> - * under the terms of version 2 of the GNU General Public License as
> - * published by the Free Software Foundation.
> - *
> - * This program is distributed in the hope that it would be useful, but
> - * WITHOUT ANY WARRANTY; without even the implied warranty of
> - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
> - *
> - * Further, this software is distributed without any warranty that it is
> - * free of the rightful claim of any third person regarding infringement
> - * or the like.  Any license provided herein, whether implied or
> - * otherwise, applies only to this software file.  Patent licenses, if
> - * any, provided herein do not apply to combinations of this program with
> - * other software, or any other product whatsoever.
> - *
> - * You should have received a copy of the GNU General Public License along
> - * with this program; if not, write the Free Software Foundation, Inc.,
> - * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
> - *
> - * Contact information: Silicon Graphics, Inc., 1600 Amphitheatre Pkwy,
> - * Mountain View, CA  94043, or:
> - *
> - * http://www.sgi.com$
> - *
> - * For further information regarding this notice, see:$
> - *
> - * http://oss.sgi.com/projects/GenInfo/NoticeExplan/
> - *
> + * Author: Ulrich Drepper / Nate Straz , Red Hat
> + * Copyright (C) 2023 SUSE LLC Andrea Cervesato <andrea.cervesato@suse.com>
> + */
> +
> +/*\
> + * [Description]
>   *
> - *    Linux Test Project - Silicon Graphics, Inc.
> - *    TEST IDENTIFIER	: fork05
> - *    EXECUTED BY	: anyone
> - *    TEST TITLE	: Make sure LDT is propagated correctly
> - *    TEST CASE TOTAL	: 1
> - *    CPU TYPES		: i386
> - *    AUTHORS		: Ulrich Drepper
> - *			  Nate Straz
> + * This test verifies that LDT is propagated correctly from parent process to
> + * the child process.
>   *
>   *On Friday, May 2, 2003 at 09:47:00AM MST, Ulrich Drepper wrote:
>   *>Robert Williamson wrote:
> @@ -96,55 +67,22 @@
>   *> Red Hat          `--' drepper at redhat.com   `------------------------
>   *>
>   *> ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
> - *
>   */
>  
> -#include <stdio.h>
> -#include <fcntl.h>
> -#include <unistd.h>
> -#include <stdlib.h>
> -#include <sys/wait.h>
> +#include <asm/ldt.h>
>  #include "lapi/syscalls.h"
> -#include "test.h"
> -
> -char *TCID = "fork05";
> -
> -static char *environ_list[] = { "TERM", "NoTSetzWq", "TESTPROG" };
> -
> -#define NUMBER_OF_ENVIRON (sizeof(environ_list)/sizeof(char *))
> -int TST_TOTAL = NUMBER_OF_ENVIRON;
> +#include "tst_test.h"
>  
>  #if defined(linux) && defined(__i386__)
>  
> -struct modify_ldt_ldt_s {
> -	unsigned int entry_number;
> -	unsigned long int base_addr;
> -	unsigned int limit;
> -	unsigned int seg_32bit:1;
> -	unsigned int contents:2;
> -	unsigned int read_exec_only:1;
> -	unsigned int limit_in_pages:1;
> -	unsigned int seg_not_present:1;
> -	unsigned int useable:1;
> -	unsigned int empty:25;
> -};
> -
> -static int a = 42;
> -
> -static void modify_ldt(int func, struct modify_ldt_ldt_s *ptr, int bytecount)
> -{
> -	tst_syscall(__NR_modify_ldt, func, ptr, bytecount);
> -}
> -
> -int main(void)
> +static void run(void)
>  {
>  	struct modify_ldt_ldt_s ldt0;

This doesn't compile on Tumbleweed because you removed
modify_ldt_ldt_s. Is this part of a header that I'm missing?

In any case setting to changes requested because we need a header check
or definition.

-- 
Thank you,
Richard.