Re: [LTP] [PATCH] setitimer03: Rewrite using new LTP API

[Richard Palethorpe <rpalethorpe@suse.de>]

Hello,

As you probably know alread, we have another patch in flight which
merges this into setitimer02 by Li Wang. So I will mark this one as
rejected.

Avinesh Kumar <akumar@suse.de> writes:

> Signed-off-by: Avinesh Kumar <akumar@suse.de>
> ---
>  .../kernel/syscalls/setitimer/setitimer03.c   | 168 +++---------------
>  1 file changed, 25 insertions(+), 143 deletions(-)
>
> diff --git a/testcases/kernel/syscalls/setitimer/setitimer03.c b/testcases/kernel/syscalls/setitimer/setitimer03.c
> index 418ec71f0..659eac9a3 100644
> --- a/testcases/kernel/syscalls/setitimer/setitimer03.c
> +++ b/testcases/kernel/syscalls/setitimer/setitimer03.c
> @@ -1,158 +1,40 @@
> +// SPDX-License-Identifier: GPL-2.0-or-later
>  /*
> - *
>   *   Copyright (c) International Business Machines  Corp., 2001
> - *
> - *   This program is free software;  you can redistribute it and/or modify
> - *   it under the terms of the GNU General Public License as published by
> - *   the Free Software Foundation; either version 2 of the License, or
> - *   (at your option) any later version.
> - *
> - *   This program 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 General Public License for more details.
> - *
> - *   You should have received a copy of the GNU General Public License
> - *   along with this program;  if not, write to the Free Software
> - *   Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
> + *		03/2001 - Written by Wayne Boyer
> + *   Copyright (c) 2022 SUSE LLC Avinesh Kumar <avinesh.kumar@suse.com>
>   */
>  
> -/*
> - * NAME
> - *	setitimer03.c
> +/*\
> + * [Description]
>   *
> - * DESCRIPTION
> - *	setitimer03 - check that a setitimer() call fails as expected
> - *		      with incorrect values.
> - *
> - * ALGORITHM
> - *	loop if that option was specified
> - *	allocate needed space and set up needed values
> - *	issue the system call
> - *	check the errno value
> - *	  issue a PASS message if we get EINVAL
> - *	otherwise, the tests fails
> - *	  issue a FAIL message
> - *	  break any remaining tests
> - *	  call cleanup
> - *
> - * USAGE:  <for command-line>
> - *  setitimer03 [-c n] [-e] [-i n] [-I x] [-p x] [-t]
> - *     where,  -c n : Run n copies concurrently.
> - *             -e   : Turn on errno logging.
> - *	       -i n : Execute test n times.
> - *	       -I x : Execute test for x seconds.
> - *	       -P x : Pause for x seconds between iterations.
> - *	       -t   : Turn on syscall timing.
> - *
> - * HISTORY
> - *	03/2001 - Written by Wayne Boyer
> - *
> - * RESTRICTIONS
> - *	none
> + * Verify that setitimer(2) syscall fails with EINVAL when given
> + * an invalid timer.
>   */
>  
> -#include "test.h"
> -
> -#include <errno.h>
> -#include <sys/time.h>
> +#include "tst_test.h"
>  
> -void cleanup(void);
> -void setup(void);
> +static struct itimerval *new_value, *old_value;
>  
> -char *TCID = "setitimer03";
> -int TST_TOTAL = 1;
> -
> -int main(int ac, char **av)
> +static void setup(void)
>  {
> -	int lc;
> -	struct itimerval *value, *ovalue;
> -
> -	tst_parse_opts(ac, av, NULL, NULL);
> -
> -	setup();		/* global setup */
> -
> -	/* The following loop checks looping state if -i option given */
> -
> -	for (lc = 0; TEST_LOOPING(lc); lc++) {
> -		/* reset tst_count in case we are looping */
> -		tst_count = 0;
> -
> -		/* allocate some space for timer structures */
> -
> -		if ((value = malloc((size_t)sizeof(struct itimerval))) ==
> -		    NULL) {
> -			tst_brkm(TBROK, cleanup, "value malloc failed");
> -		}
> -
> -		if ((ovalue = malloc((size_t)sizeof(struct itimerval))) ==
> -		    NULL) {
> -			tst_brkm(TBROK, cleanup, "value malloc failed");
> -		}
> -
> -		/* set up some reasonable values */
> -
> -		value->it_value.tv_sec = 30;
> -		value->it_value.tv_usec = 0;
> -		value->it_interval.tv_sec = 0;
> -		value->it_interval.tv_usec = 0;
> -
> -		/*
> -		 * issue the system call with the TEST() macro
> -		 * ITIMER_REAL = 0, ITIMER_VIRTUAL = 1 and ITIMER_PROF = 2
> -		 */
> -
> -		/* make the first value negative to get a failure */
> -		TEST(setitimer(-ITIMER_PROF, value, ovalue));
> -
> -		if (TEST_RETURN == 0) {
> -			tst_resm(TFAIL, "call failed to produce expected error "
> -				 "- errno = %d - %s", TEST_ERRNO,
> -				 strerror(TEST_ERRNO));
> -			continue;
> -		}
> -
> -		switch (TEST_ERRNO) {
> -		case EINVAL:
> -			tst_resm(TPASS, "expected failure - errno = %d - %s",
> -				 TEST_ERRNO, strerror(TEST_ERRNO));
> -			break;
> -		default:
> -			tst_resm(TFAIL, "call failed to produce expected error "
> -				 "- errno = %d - %s", TEST_ERRNO,
> -				 strerror(TEST_ERRNO));
> -		}
> -
> -		/*
> -		 * clean up things in case we are looping
> -		 */
> -		free(value);
> -		free(ovalue);
> -		value = NULL;
> -		ovalue = NULL;
> -	}
> -
> -	cleanup();
> -	tst_exit();
> -
> +	new_value->it_value.tv_sec = 30;
> +	new_value->it_value.tv_usec = 0;
> +	new_value->it_interval.tv_sec = 0;
> +	new_value->it_interval.tv_usec = 0;
>  }
>  
> -/*
> - * setup() - performs all the ONE TIME setup for this test.
> - */
> -void setup(void)
> +static void run(void)
>  {
> -
> -	tst_sig(NOFORK, DEF_HANDLER, cleanup);
> -
> -	TEST_PAUSE;
> +	TST_EXP_FAIL(setitimer(-ITIMER_PROF, new_value, old_value), EINVAL);
>  }
>  
> -/*
> - * cleanup() - performs all the ONE TIME cleanup for this test at completion
> - * 	       or premature exit.
> - */
> -void cleanup(void)
> -{
> -
> -}
> +static struct tst_test test = {
> +	.test_all = run,
> +	.setup = setup,
> +	.bufs = (struct tst_buffers[]) {
> +		{&new_value, .size = sizeof(struct itimerval)},
> +		{&old_value, .size = sizeof(struct itimerval)},
> +		{}
> +	}
> +};
> -- 
> 2.37.3


-- 
Thank you,
Richard.

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