1 /* 2 * 3 * Copyright (c) International Business Machines Corp., 2001 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 * fsync03.c 23 * 24 * DESCRIPTION 25 * Testcase to check that fsync(2) sets errno correctly. 26 * 27 * ALGORITHM 28 * 1. Call fsync() with an invalid fd, and test for EBADF. 29 * 2. Call fsync() on a pipe(fd), and expect EINVAL. 30 * 31 * USAGE: <for command-line> 32 * fsync03 [-c n] [-e] [-i n] [-I x] [-P x] [-t] 33 * where, -c n : Run n copies concurrently. 34 * -e : Turn on errno logging. 35 * -i n : Execute test n times. 36 * -I x : Execute test for x seconds. 37 * -P x : Pause for x seconds between iterations. 38 * -t : Turn on syscall timing. 39 * 40 * HISTORY 41 * 07/2001 Ported by Wayne Boyer 42 * 43 * RESTRICTIONS 44 * NONE 45 */ 46 47 #include <unistd.h> 48 #include <errno.h> 49 #include "test.h" 50 51 void setup(void); 52 void cleanup(void); 53 54 int fd[2]; /* fd's for the pipe() call in setup() */ 55 int pfd; /* holds the value for fd[1] */ 56 int bfd = -1; /* an invalid fd */ 57 58 struct test_case_t { 59 int *fd; 60 int error; 61 } TC[] = { 62 /* EBADF - fd is invalid (-1) */ 63 { 64 &bfd, EBADF}, 65 /* EINVAL - fsync() on pipe should not succeed. */ 66 { 67 &pfd, EINVAL} 68 }; 69 70 char *TCID = "fsync03"; 71 int TST_TOTAL = 2; 72 73 int main(int ac, char **av) 74 { 75 int lc; 76 int i; 77 78 tst_parse_opts(ac, av, NULL, NULL); 79 80 setup(); 81 82 for (lc = 0; TEST_LOOPING(lc); lc++) { 83 84 tst_count = 0; 85 86 /* loop through the test cases */ 87 for (i = 0; i < TST_TOTAL; i++) { 88 89 TEST(fsync(*(TC[i].fd))); 90 91 if (TEST_RETURN != -1) { 92 tst_resm(TFAIL, "call succeeded unexpectedly"); 93 continue; 94 } 95 96 if (TEST_ERRNO == TC[i].error) { 97 tst_resm(TPASS, "expected failure - " 98 "errno = %d : %s", TEST_ERRNO, 99 strerror(TEST_ERRNO)); 100 } else { 101 tst_resm(TFAIL, "unexpected error - %d : %s - " 102 "expected %d", TEST_ERRNO, 103 strerror(TEST_ERRNO), TC[i].error); 104 } 105 } 106 } 107 cleanup(); 108 109 tst_exit(); 110 } 111 112 /* 113 * setup() - performs all ONE TIME setup for this test. 114 */ 115 void setup(void) 116 { 117 118 tst_sig(NOFORK, DEF_HANDLER, cleanup); 119 120 TEST_PAUSE; 121 122 /* make a temporary directory and cd to it */ 123 tst_tmpdir(); 124 125 if (pipe(fd) < 0) { 126 tst_brkm(TBROK, cleanup, "pipe call failed"); 127 } 128 129 pfd = fd[1]; 130 } 131 132 /* 133 * cleanup() - performs all ONE TIME cleanup for this test at 134 * completion or premature exit. 135 */ 136 void cleanup(void) 137 { 138 139 /* delete the test directory created in setup() */ 140 tst_rmdir(); 141 142 } 143