glibc/sysdeps/x86/tst-memcmp-rtm.c

53 lines
1.4 KiB
C

/* Test case for memcmp inside a transactionally executing RTM region.
Copyright (C) 2021-2024 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 <tst-string-rtm.h>
#define LOOP 3000
#define STRING_SIZE 1024
char string1[STRING_SIZE];
char string2[STRING_SIZE];
__attribute__ ((noinline, noclone))
static int
prepare (void)
{
memset (string1, 'a', STRING_SIZE);
memset (string2, 'a', STRING_SIZE);
if (memcmp (string1, string2, STRING_SIZE) == 0)
return EXIT_SUCCESS;
else
return EXIT_FAILURE;
}
__attribute__ ((noinline, noclone))
static int
function (void)
{
if (memcmp (string1, string2, STRING_SIZE) == 0)
return 0;
else
return 1;
}
static int
do_test (void)
{
return do_test_1 ("memcmp", LOOP, prepare, function);
}