89 lines
1.7 KiB
C
89 lines
1.7 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_fadvise02.c
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*
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* DESCRIPTION
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* Check the value that posix_fadvise returns for wrong file descriptor.
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*
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* USAGE
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* posix_fadvise02
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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 <string.h>
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#include "tst_test.h"
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#include "lapi/syscalls.h"
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#define WRONG_FD 42 /* The number has no meaning.
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Just used as something wrong fd */
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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_NOREUSE,
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POSIX_FADV_WILLNEED,
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POSIX_FADV_DONTNEED,
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};
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static void verify_fadvise(unsigned int n)
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{
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TEST(posix_fadvise
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(WRONG_FD, 0, 0, defined_advise[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 == EBADF) {
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tst_res(TPASS, "expected failure - "
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"returned value = %ld : %s",
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TST_RET, tst_strerrno(TST_RET));
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} else {
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tst_res(TFAIL,
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"unexpected returnd value - %ld : %s - "
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"expected %d", TST_RET,
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tst_strerrno(TST_RET), EBADF);
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}
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}
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static void setup(void)
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{
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/* Make WRONG_FD really wrong. */
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retry:
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errno = 0;
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if (close(WRONG_FD) != 0) {
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if (errno == EBADF) {} /* Good. Do nothing. */
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if (errno == EINTR)
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goto retry;
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else if (errno == EIO)
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tst_brk(TBROK,
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"Unable to close a file descriptor(%d): %s\n",
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WRONG_FD, tst_strerrno(EIO));
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}
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}
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static struct tst_test test = {
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.setup = setup,
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.test = verify_fadvise,
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.tcnt = ARRAY_SIZE(defined_advise),
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};
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