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_fadvise04.c 23 * 24 * DESCRIPTION 25 * Check the value that posix_fadvise returns for pipe descriptor. 26 * 27 * USAGE 28 * posix_fadvise04 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 #include "linux_syscall_numbers.h" 44 #ifndef _FILE_OFFSET_BITS 45 #define _FILE_OFFSET_BITS 32 46 #endif 47 48 #ifndef __NR_fadvise64 49 #define __NR_fadvise64 0 50 #endif 51 52 void setup(); 53 void cleanup(); 54 55 TCID_DEFINE(posix_fadvise04); 56 57 #define GIVEN_IN_SETUP 42 /* No mean. Just used as padding. 58 This is overwritten by setup(). */ 59 60 struct test_case_t { 61 int fd; 62 off_t offset; 63 off_t len; 64 int advice; 65 int error; 66 } TC[] = { 67 { 68 GIVEN_IN_SETUP, 0, 0, POSIX_FADV_NORMAL, ESPIPE}, { 69 GIVEN_IN_SETUP, 0, 0, POSIX_FADV_SEQUENTIAL, ESPIPE}, { 70 GIVEN_IN_SETUP, 0, 0, POSIX_FADV_RANDOM, ESPIPE}, { 71 GIVEN_IN_SETUP, 0, 0, POSIX_FADV_NOREUSE, ESPIPE}, { 72 GIVEN_IN_SETUP, 0, 0, POSIX_FADV_WILLNEED, ESPIPE}, { 73 GIVEN_IN_SETUP, 0, 0, POSIX_FADV_DONTNEED, ESPIPE},}; 74 75 int TST_TOTAL = sizeof(TC) / sizeof(TC[0]); 76 77 int main(int ac, char **av) 78 { 79 int lc; 80 int i; 81 82 /* Check this system has fadvise64 system which is used 83 in posix_fadvise. */ 84 if ((_FILE_OFFSET_BITS != 64) && (__NR_fadvise64 == 0)) { 85 tst_resm(TWARN, 86 "This test can only run on kernels that implements "); 87 tst_resm(TWARN, "fadvise64 which is used from posix_fadvise"); 88 exit(0); 89 } 90 91 /* Disable test if the version of the kernel is less than 2.6.16 */ 92 if ((tst_kvercmp(2, 6, 16)) < 0) { 93 tst_resm(TWARN, "This test can only run on kernels that are "); 94 tst_resm(TWARN, "2.6.16 and higher"); 95 exit(0); 96 } 97 98 /* 99 * parse standard options 100 */ 101 tst_parse_opts(ac, av, NULL, NULL); 102 103 /* 104 * perform global setup for test 105 */ 106 setup(); 107 108 /* 109 * check looping state if -i option given on the command line 110 */ 111 for (lc = 0; TEST_LOOPING(lc); lc++) { 112 113 tst_count = 0; 114 115 /* loop through the test cases */ 116 for (i = 0; i < TST_TOTAL; i++) { 117 118 TEST(posix_fadvise 119 (TC[i].fd, TC[i].offset, TC[i].len, TC[i].advice)); 120 121 if (TEST_RETURN == 0) { 122 tst_resm(TFAIL, "call succeeded unexpectedly"); 123 continue; 124 } 125 126 /* Man page says: 127 "On error, an error number is returned." */ 128 if (TEST_RETURN == TC[i].error) { 129 tst_resm(TPASS, "expected failure - " 130 "returned value = %ld : %s", 131 TEST_RETURN, strerror(TEST_RETURN)); 132 } else { 133 tst_resm(TFAIL, 134 "unexpected return value - %ld : %s - " 135 "expected %d", TEST_RETURN, 136 strerror(TEST_RETURN), TC[i].error); 137 } 138 } 139 } 140 141 /* 142 * cleanup and exit 143 */ 144 cleanup(); 145 146 tst_exit(); 147 } 148 149 /* 150 * setup() - performs all ONE TIME setup for this test. 151 */ 152 void setup(void) 153 { 154 int pipedes[2]; 155 156 tst_sig(NOFORK, DEF_HANDLER, cleanup); 157 158 TEST_PAUSE; 159 160 /* Make a pipe */ 161 if (pipe(pipedes) != 0) { 162 tst_brkm(TBROK, cleanup, 163 "Untable to make a pipe: %s\n", strerror(errno)); 164 } else { 165 int i; 166 167 /* Close write side first. 168 I don't use it in test. */ 169 close(pipedes[1]); 170 171 /* Fill fd field of all test cases 172 with read side of pipe. */ 173 for (i = 0; i < TST_TOTAL; i++) { 174 TC[i].fd = pipedes[0]; 175 } 176 } 177 } 178 179 /* 180 * cleanup() - performs all ONE TIME cleanup for this test at 181 * completion or premature exit. 182 */ 183 void cleanup(void) 184 { 185 186 /* Close pipe of read side */ 187 close(TC[0].fd); 188 189 } 190
