strace/tests/fadvise64_64.c
2016-10-30 22:54:27 +00:00

75 lines
2.6 KiB
C

/*
* Check decoding of fadvise64_64 syscall.
*
* Copyright (c) 2016 Eugene Syromyatnikov <evgsyr@gmail.com>
* Copyright (c) 2016 Dmitry V. Levin <ldv@altlinux.org>
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* 3. The name of the author may not be used to endorse or promote products
* derived from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#include "tests.h"
#include <asm/unistd.h>
#ifdef __arm__
# ifdef __NR_arm_fadvise64_64
# undef __NR_fadvise64_64
# define __NR_fadvise64_64 __NR_arm_fadvise64_64
# endif /* __NR_arm_fadvise64_64 */
#endif /* __arm__ */
#ifdef __NR_fadvise64_64
# include "fadvise.h"
static void
do_fadvise(long fd, long long offset, long long llen, long advice)
{
long ret;
const char *errstr;
# if (LONG_MAX > INT_MAX) \
|| (defined __x86_64__ && defined __ILP32__) \
|| defined LINUX_MIPSN32
ret = syscall(__NR_fadvise64_64, fd, offset, llen, advice);
# elif defined __ARM_EABI__ || defined POWERPC || defined XTENSA
ret = syscall(__NR_fadvise64_64, fd, advice,
LL_VAL_TO_PAIR(offset), LL_VAL_TO_PAIR(llen));
# else
ret = syscall(__NR_fadvise64_64, fd,
LL_VAL_TO_PAIR(offset), LL_VAL_TO_PAIR(llen), advice);
# endif
errstr = sprintrc(ret);
printf("fadvise64_64(%d, %lld, %lld, ", (int) fd, offset, llen);
printxval(advise, (unsigned) advice, "POSIX_FADV_???");
printf(") = %s\n", errstr);
}
#else
SKIP_MAIN_UNDEFINED("__NR_fadvise64_64");
#endif