android13/external/ltp/testcases/kernel/syscalls/fadvise/posix_fadvise01.c

82 lines
1.4 KiB
C

// SPDX-License-Identifier: GPL-2.0-or-later
/*
* Copyright (c) Red Hat Inc., 2007
*/
/*
* NAME
* posix_fadvise01.c
*
* DESCRIPTION
* Check the value that posix_fadvise returns for wrong ADVISE value.
*
* USAGE
* posix_fadvise01
*
* HISTORY
* 11/2007 Initial version by Masatake YAMATO <yamato@redhat.com>
*
* RESTRICTIONS
* None
*/
#include <fcntl.h>
#include <unistd.h>
#include <signal.h>
#include <errno.h>
#include <string.h>
#include "tst_test.h"
#include "lapi/syscalls.h"
char fname[] = "/bin/cat"; /* test executable to open */
int fd = -1; /* initialized in open */
int expected_return = 0;
int defined_advise[] = {
POSIX_FADV_NORMAL,
POSIX_FADV_SEQUENTIAL,
POSIX_FADV_RANDOM,
POSIX_FADV_NOREUSE,
POSIX_FADV_WILLNEED,
POSIX_FADV_DONTNEED,
};
static void verify_fadvise(unsigned int n)
{
TEST(posix_fadvise(fd, 0, 0, defined_advise[n]));
/* Man page says:
"On error, an error number is returned." */
if (TST_RET == expected_return) {
tst_res(TPASS, "call succeeded expectedly");
} else {
tst_res(TFAIL,
"unexpected return value - %ld : %s, advise %d - "
"expected %d",
TST_RET,
tst_strerrno(TST_RET),
defined_advise[n], expected_return);
}
}
static void setup(void)
{
fd = SAFE_OPEN(fname, O_RDONLY);
}
static void cleanup(void)
{
if (fd > 0)
SAFE_CLOSE(fd);
}
static struct tst_test test = {
.setup = setup,
.cleanup = cleanup,
.test = verify_fadvise,
.tcnt = ARRAY_SIZE(defined_advise),
};