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      1 /*
      2  *
      3  *   Copyright (c) Red Hat Inc., 2007
      4  *
      5  *   This program is free software;  you can redistribute it and/or modify
      6  *   it under the terms of the GNU General Public License as published by
      7  *   the Free Software Foundation; either version 2 of the License, or
      8  *   (at your option) any later version.
      9  *
     10  *   This program is distributed in the hope that it will be useful,
     11  *   but WITHOUT ANY WARRANTY;  without even the implied warranty of
     12  *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See
     13  *   the GNU General Public License for more details.
     14  *
     15  *   You should have received a copy of the GNU General Public License
     16  *   along with this program;  if not, write to the Free Software
     17  *   Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
     18  */
     19 
     20 /*
     21  * NAME
     22  *	posix_fadvise02.c
     23  *
     24  * DESCRIPTION
     25  *	Check the value that posix_fadvise returns for wrong file descriptor.
     26  *
     27  * USAGE
     28  *	posix_fadvise02
     29  *
     30  * HISTORY
     31  *	11/2007 Initial version by Masatake YAMATO <yamato (at) redhat.com>
     32  *
     33  * RESTRICTIONS
     34  *	None
     35  */
     36 
     37 #define _XOPEN_SOURCE 600
     38 #include <fcntl.h>
     39 #include <unistd.h>
     40 #include <signal.h>
     41 #include <errno.h>
     42 #include "test.h"
     43 
     44 #include "linux_syscall_numbers.h"
     45 #ifndef _FILE_OFFSET_BITS
     46 #define _FILE_OFFSET_BITS 32
     47 #endif
     48 
     49 #ifndef __NR_fadvise64
     50 #define __NR_fadvise64 0
     51 #endif
     52 
     53 void setup();
     54 void cleanup();
     55 
     56 TCID_DEFINE(posix_fadvise02);
     57 
     58 #define WRONG_FD       42	/* The number has no meaning.
     59 				   Just used as something wrong fd */
     60 
     61 struct test_case_t {
     62 	int fd;
     63 	off_t offset;
     64 	off_t len;
     65 	int advice;
     66 	int error;
     67 } TC[] = {
     68 	{
     69 	WRONG_FD, 0, 0, POSIX_FADV_NORMAL, EBADF}, {
     70 	WRONG_FD, 0, 0, POSIX_FADV_SEQUENTIAL, EBADF}, {
     71 	WRONG_FD, 0, 0, POSIX_FADV_RANDOM, EBADF}, {
     72 	WRONG_FD, 0, 0, POSIX_FADV_NOREUSE, EBADF}, {
     73 	WRONG_FD, 0, 0, POSIX_FADV_WILLNEED, EBADF}, {
     74 WRONG_FD, 0, 0, POSIX_FADV_DONTNEED, EBADF},};
     75 
     76 int TST_TOTAL = sizeof(TC) / sizeof(TC[0]);
     77 
     78 int main(int ac, char **av)
     79 {
     80 	int lc;
     81 	int i;
     82 
     83 	/* Check this system has fadvise64 system which is used
     84 	   in posix_fadvise. */
     85 	if ((_FILE_OFFSET_BITS != 64) && (__NR_fadvise64 == 0)) {
     86 		tst_resm(TWARN,
     87 			 "This test can only run on kernels that implements ");
     88 		tst_resm(TWARN, "fadvise64 which is used from posix_fadvise");
     89 		exit(0);
     90 	}
     91 
     92 	/*
     93 	 * parse standard options
     94 	 */
     95 	tst_parse_opts(ac, av, NULL, NULL);
     96 
     97 	/*
     98 	 * perform global setup for test
     99 	 */
    100 	setup();
    101 
    102 	/*
    103 	 * check looping state if -i option given on the command line
    104 	 */
    105 	for (lc = 0; TEST_LOOPING(lc); lc++) {
    106 
    107 		tst_count = 0;
    108 
    109 		/* loop through the test cases */
    110 		for (i = 0; i < TST_TOTAL; i++) {
    111 
    112 			TEST(posix_fadvise
    113 			     (TC[i].fd, TC[i].offset, TC[i].len, TC[i].advice));
    114 
    115 			if (TEST_RETURN == 0) {
    116 				tst_resm(TFAIL, "call succeeded unexpectedly");
    117 				continue;
    118 			}
    119 
    120 			/* Man page says:
    121 			   "On error, an error number is returned." */
    122 			if (TEST_RETURN == TC[i].error) {
    123 				tst_resm(TPASS, "expected failure - "
    124 					 "returned value = %ld : %s",
    125 					 TEST_RETURN, strerror(TEST_RETURN));
    126 			} else {
    127 				tst_resm(TFAIL,
    128 					 "unexpected returnd value - %ld : %s - "
    129 					 "expected %d", TEST_RETURN,
    130 					 strerror(TEST_RETURN), TC[i].error);
    131 			}
    132 		}
    133 	}
    134 
    135 	/*
    136 	 * cleanup and exit
    137 	 */
    138 	cleanup();
    139 
    140 	tst_exit();
    141 }
    142 
    143 /*
    144  * setup() - performs all ONE TIME setup for this test.
    145  */
    146 void setup(void)
    147 {
    148 
    149 	tst_sig(NOFORK, DEF_HANDLER, cleanup);
    150 
    151 	TEST_PAUSE;
    152 
    153 	/* Make WRONG_FD really wrong. */
    154 retry:
    155 	errno = 0;
    156 	if (close(WRONG_FD) != 0) {
    157 		if (errno == EBADF) ;	/* Good. Do nothing. */
    158 		if (errno == EINTR)
    159 			goto retry;
    160 		else if (errno == EIO)
    161 			tst_brkm(TBROK, cleanup,
    162 				 "Unable to close a file descriptor(%d): %s\n",
    163 				 WRONG_FD, strerror(EIO));
    164 	}
    165 
    166 }
    167 
    168 /*
    169  * cleanup() - performs all ONE TIME cleanup for this test at
    170  *		completion or premature exit.
    171  */
    172 void cleanup(void)
    173 {
    174 
    175 }
    176