132 lines
2.7 KiB
C
132 lines
2.7 KiB
C
// SPDX-License-Identifier: GPL-2.0-or-later
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/*
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* Copyright (c) Red Hat Inc., 2007
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*/
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/*
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* NAME
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* posix_fadvise03.c
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*
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* DESCRIPTION
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* Check the value that posix_fadvise returns for wrong ADVISE value.
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*
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* USAGE
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* posix_fadvise03
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*
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* HISTORY
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* 11/2007 Initial version by Masatake YAMATO <yamato@redhat.com>
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*
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* RESTRICTIONS
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* None
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*/
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#include <fcntl.h>
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#include <unistd.h>
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#include <signal.h>
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#include <errno.h>
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#include <limits.h>
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#include <string.h>
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#include "tst_test.h"
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#include "lapi/syscalls.h"
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#include "lapi/abisize.h"
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char fname[] = "/bin/cat"; /* test executable to open */
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int fd = -1; /* initialized in open */
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int expected_error = EINVAL;
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int defined_advise[] = {
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POSIX_FADV_NORMAL,
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POSIX_FADV_SEQUENTIAL,
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POSIX_FADV_RANDOM,
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POSIX_FADV_WILLNEED,
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#if defined(__s390__) && defined(TST_ABI32)
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/* POSIX_FADV_DONTNEED and POSIX_FADV_NOREUSE are 6,7 on 31bit s390,
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* but the kernel accepts 4,5 as well and rewrites them internally,
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* see Linux kernel commit 068e1b94bbd268f375349f68531829c8b7c210bc
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*
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* since header definitions are incomplete - posix fcntl.h doesn't care
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* and defines them as 4,5 while linux/fadvise.h (which uses 6,7)
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* matches only 64bit - we need to hardcode the values here for
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* all 4 cases, unfortunately
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*/
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4, /* POSIX_FADV_DONTNEED */
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5, /* POSIX_FADV_NOREUSE */
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6, /* POSIX_FADV_DONTNEED */
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7, /* POSIX_FADV_NOREUSE */
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#else
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POSIX_FADV_DONTNEED,
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POSIX_FADV_NOREUSE,
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#endif
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};
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const int defined_advise_total = ARRAY_SIZE(defined_advise);
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#define ADVISE_LIMIT 32
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/* is_defined_advise:
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Return 1 if advise is in defined_advise.
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Return 0 if not. */
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static int is_defined_advise(int advise)
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{
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int i;
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for (i = 0; i < defined_advise_total; i++) {
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if (defined_advise[i] == advise)
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return 1;
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}
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return 0;
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}
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static void verify_fadvise(unsigned int n)
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{
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/* Don't use defined advise as an argument. */
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if (is_defined_advise(n)) {
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tst_res(TPASS, "skipping defined - advise = %d", n);
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return;
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}
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TEST(posix_fadvise(fd, 0, 0, n));
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if (TST_RET == 0) {
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tst_res(TFAIL, "call succeeded unexpectedly");
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return;
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}
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/* Man page says:
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"On error, an error number is returned." */
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if (TST_RET == expected_error) {
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tst_res(TPASS,
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"expected failure - "
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"returned value = %ld, advise = %d : %s",
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TST_RET,
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n, tst_strerrno(TST_RET));
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} else {
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tst_res(TFAIL,
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"unexpected return value - %ld : %s, advise %d - "
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"expected %d",
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TST_RET,
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tst_strerrno(TST_RET),
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n, expected_error);
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}
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}
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static void setup(void)
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{
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fd = SAFE_OPEN(fname, O_RDONLY);
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}
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static void cleanup(void)
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{
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if (fd > 0)
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SAFE_CLOSE(fd);
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}
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static struct tst_test test = {
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.setup = setup,
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.cleanup = cleanup,
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.test = verify_fadvise,
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.tcnt = ADVISE_LIMIT,
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};
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