1 /* 2 * Copyright (c) Wipro Technologies Ltd, 2002. All Rights Reserved. 3 * 4 * This program is free software; you can redistribute it and/or modify it 5 * under the terms of version 2 of the GNU General Public License as 6 * published by the Free Software Foundation. 7 * 8 * This program is distributed in the hope that it would be useful, but 9 * WITHOUT ANY WARRANTY; without even the implied warranty of 10 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. 11 * 12 * You should have received a copy of the GNU General Public License along 13 * with this program; if not, write the Free Software Foundation, Inc., 14 * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA. 15 * 16 */ 17 /********************************************************** 18 * 19 * TEST IDENTIFIER : fdatasync02 20 * 21 * EXECUTED BY : Any user 22 * 23 * TEST TITLE : Checking error conditions for fdatasync(2) 24 * 25 * TEST CASE TOTAL : 2 26 * 27 * AUTHOR : Madhu T L <madhu.tarikere (at) wipro.com> 28 * 29 * SIGNALS 30 * Uses SIGUSR1 to pause before test if option set. 31 * (See the parse_opts(3) man page). 32 * 33 * DESCRIPTION 34 * Verify that, 35 * 1. fdatasync(2) returns -1 and sets errno to EBADF for invalid 36 * file descriptor. 37 * 2. fdatasync(2) returns -1 and sets errno to EINVAL for file 38 * descriptor to a special file. 39 * 40 * Setup: 41 * Setup signal handling. 42 * Set expected errnos for logging 43 * Pause for SIGUSR1 if option specified. 44 * 45 * Test: 46 * Loop if the proper options are given. 47 * Perform testcase specific setup (if needed) 48 * Execute system call 49 * Check return code and error number, if matching, 50 * Issue PASS message 51 * Otherwise, 52 * Issue FAIL message 53 * Perform testcase specific cleanup (if needed) 54 * 55 * Cleanup: 56 * Print errno log and/or timing stats if options given 57 * 58 * USAGE: <for command-line> 59 * fdatasync02 [-c n] [-e] [-f] [-h] [-i n] [-I x] [-p] [-P x] [-t] 60 * where, -c n : Run n copies concurrently. 61 * -e : Turn on errno logging. 62 * -f : Turn off functional testing 63 * -h : Show help screen 64 * -i n : Execute test n times. 65 * -I x : Execute test for x seconds. 66 * -p : Pause for SIGUSR1 before starting 67 * -P x : Pause for x seconds between iterations. 68 * -t : Turn on syscall timing. 69 * 70 ****************************************************************/ 71 72 #include <errno.h> 73 #include <pwd.h> 74 #include <sys/types.h> 75 #include <sys/stat.h> 76 #include <fcntl.h> 77 #include <unistd.h> 78 #include "test.h" 79 #include "safe_macros.h" 80 81 #define EXP_RET_VAL -1 82 #define SPL_FILE "/dev/null" 83 84 struct test_case_t { /* test case structure */ 85 int experrno; /* expected errno */ 86 char *desc; 87 int (*setup) (void); /* Individual setup routine */ 88 void (*cleanup) (void); /* Individual cleanup routine */ 89 }; 90 91 char *TCID = "fdatasync02"; 92 93 static int testno; 94 static int fd; 95 96 static void setup(void); 97 static void cleanup(void); 98 static int setup1(void); 99 static int setup2(void); 100 static void cleanup2(void); 101 102 static struct test_case_t tdat[] = { 103 {EBADF, "invalid file descriptor", setup1, NULL}, 104 {EINVAL, "file descriptor to a special file", setup2, cleanup2}, 105 }; 106 107 int TST_TOTAL = sizeof(tdat) / sizeof(tdat[0]); 108 109 int main(int argc, char **argv) 110 { 111 int lc; 112 113 tst_parse_opts(argc, argv, NULL, NULL); 114 115 setup(); 116 117 for (lc = 0; TEST_LOOPING(lc); lc++) { 118 /* reset tst_count in case we are looping */ 119 tst_count = 0; 120 121 for (testno = 0; testno < TST_TOTAL; ++testno) { 122 if ((tdat[testno].setup) && (tdat[testno].setup())) { 123 /* setup() failed, skip this test */ 124 continue; 125 } 126 127 /* Test the system call */ 128 TEST(fdatasync(fd)); 129 if ((TEST_RETURN == EXP_RET_VAL) && 130 (TEST_ERRNO == tdat[testno].experrno)) { 131 tst_resm(TPASS, "Expected failure for %s, " 132 "errno: %d", tdat[testno].desc, 133 TEST_ERRNO); 134 } else { 135 tst_resm(TFAIL, "Unexpected results for %s ; " 136 "returned %ld (expected %d), errno %d " 137 "(expected %d)", tdat[testno].desc, 138 TEST_RETURN, EXP_RET_VAL, 139 TEST_ERRNO, tdat[testno].experrno); 140 } 141 if (tdat[testno].cleanup) { 142 tdat[testno].cleanup(); 143 } 144 } 145 } 146 cleanup(); 147 148 tst_exit(); 149 } 150 151 int setup1(void) 152 { 153 fd = -1; 154 return 0; 155 } 156 157 int setup2(void) 158 { 159 /* Open special file */ 160 if ((fd = open(SPL_FILE, O_RDONLY)) == -1) { 161 tst_resm(TBROK, "Failed to open %s", SPL_FILE); 162 return 1; 163 } 164 return 0; 165 } 166 167 void cleanup2(void) 168 { 169 /* close special file */ 170 SAFE_CLOSE(NULL, fd); 171 } 172 173 /* 174 * setup() 175 * performs all ONE TIME setup for this test 176 */ 177 void setup(void) 178 { 179 180 tst_sig(NOFORK, DEF_HANDLER, cleanup); 181 182 /* Pause if that option was specified 183 * TEST_PAUSE contains the code to fork the test with the -c option. 184 */ 185 TEST_PAUSE; 186 187 } 188 189 /* 190 * cleanup() 191 * performs all ONE TIME cleanup for this test at 192 * completion or premature exit 193 */ 194 void cleanup(void) 195 { 196 197 } 198
