1 /******************************************************************************/ 2 /* */ 3 /* Copyright (c) Ulrich Drepper <drepper (at) redhat.com> */ 4 /* Copyright (c) International Business Machines Corp., 2009 */ 5 /* */ 6 /* This program is free software; you can redistribute it and/or modify */ 7 /* it under the terms of the GNU General Public License as published by */ 8 /* the Free Software Foundation; either version 2 of the License, or */ 9 /* (at your option) any later version. */ 10 /* */ 11 /* This program is distributed in the hope that it will be useful, */ 12 /* but WITHOUT ANY WARRANTY; without even the implied warranty of */ 13 /* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See */ 14 /* the GNU General Public License for more details. */ 15 /* */ 16 /* You should have received a copy of the GNU General Public License */ 17 /* along with this program; if not, write to the Free Software */ 18 /* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA */ 19 /* */ 20 /******************************************************************************/ 21 /******************************************************************************/ 22 /* */ 23 /* File: inotify_init1_02.c */ 24 /* */ 25 /* Description: This Program tests the new system call introduced in 2.6.27. */ 26 /* Ulrichs comment as in: */ 27 /* http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commit;h=510df2dd482496083e1c3b1a8c9b6afd5fa4c7d7 */ 28 /* which says: */ 29 /* This patch adds non-blocking support for inotify_init1. The additional */ 30 /* changes needed are minimal. The following test must be adjusted for */ 31 /* architectures other than x86 and x86-64 and in case the syscall numbers */ 32 /* changed. */ 33 /* */ 34 /* Usage: <for command-line> */ 35 /* inotify_init1_02 [-c n] [-e][-i n] [-I x] [-p x] [-t] */ 36 /* where, -c n : Run n copies concurrently. */ 37 /* -e : Turn on errno logging. */ 38 /* -i n : Execute test n times. */ 39 /* -I x : Execute test for x seconds. */ 40 /* -P x : Pause for x seconds between iterations. */ 41 /* -t : Turn on syscall timing. */ 42 /* */ 43 /* Total Tests: 1 */ 44 /* */ 45 /* Test Name: inotify_init1_02 */ 46 /* */ 47 /* Author: Ulrich Drepper <drepper (at) redhat.com> */ 48 /* */ 49 /* History: Created - Jan 13 2009 - Ulrich Drepper <drepper (at) redhat.com> */ 50 /* Ported to LTP */ 51 /* - Jan 13 2009 - Subrata <subrata (at) linux.vnet.ibm.com> */ 52 /******************************************************************************/ 53 #include <fcntl.h> 54 #include <stdio.h> 55 #include <unistd.h> 56 #include <sys/syscall.h> 57 #include <errno.h> 58 59 #include "test.h" 60 #include "lapi/fcntl.h" 61 #include "lapi/syscalls.h" 62 63 #define IN_NONBLOCK O_NONBLOCK 64 65 char *TCID = "inotify_init1_02"; 66 int testno; 67 int TST_TOTAL = 1; 68 69 /* Extern Global Functions */ 70 /******************************************************************************/ 71 /* */ 72 /* Function: cleanup */ 73 /* */ 74 /* Description: Performs all one time clean up for this test on successful */ 75 /* completion, premature exit or failure. Closes all temporary */ 76 /* files, removes all temporary directories exits the test with */ 77 /* appropriate return code by calling tst_exit() function. */ 78 /* */ 79 /* Input: None. */ 80 /* */ 81 /* Output: None. */ 82 /* */ 83 /* Return: On failure - Exits calling tst_exit(). Non '0' return code. */ 84 /* On success - Exits calling tst_exit(). With '0' return code. */ 85 /* */ 86 /******************************************************************************/ 87 void cleanup(void) 88 { 89 90 tst_rmdir(); 91 } 92 93 /* Local Functions */ 94 /******************************************************************************/ 95 /* */ 96 /* Function: setup */ 97 /* */ 98 /* Description: Performs all one time setup for this test. This function is */ 99 /* typically used to capture signals, create temporary dirs */ 100 /* and temporary files that may be used in the course of this */ 101 /* test. */ 102 /* */ 103 /* Input: None. */ 104 /* */ 105 /* Output: None. */ 106 /* */ 107 /* Return: On failure - Exits by calling cleanup(). */ 108 /* On success - returns 0. */ 109 /* */ 110 /******************************************************************************/ 111 void setup(void) 112 { 113 /* Capture signals if any */ 114 /* Create temporary directories */ 115 TEST_PAUSE; 116 tst_tmpdir(); 117 } 118 119 int main(int argc, char *argv[]) 120 { 121 int fd, fl; 122 int lc; 123 124 tst_parse_opts(argc, argv, NULL, NULL); 125 126 if ((tst_kvercmp(2, 6, 27)) < 0) { 127 tst_brkm(TCONF, NULL, 128 "This test can only run on kernels that are 2.6.27 " 129 "and higher"); 130 } 131 setup(); 132 133 for (lc = 0; TEST_LOOPING(lc); ++lc) { 134 tst_count = 0; 135 for (testno = 0; testno < TST_TOTAL; ++testno) { 136 fd = ltp_syscall(__NR_inotify_init1, 0); 137 if (fd == -1) { 138 tst_brkm(TFAIL | TERRNO, cleanup, 139 "inotify_init1(0) failed"); 140 } 141 fl = fcntl(fd, F_GETFL); 142 if (fl == -1) { 143 tst_brkm(TBROK | TERRNO, cleanup, 144 "fcntl failed"); 145 } 146 if (fl & O_NONBLOCK) { 147 tst_brkm(TFAIL, cleanup, 148 "inotify_init1(0) set non-blocking " 149 "mode"); 150 } 151 close(fd); 152 153 fd = ltp_syscall(__NR_inotify_init1, IN_NONBLOCK); 154 if (fd == -1) { 155 tst_brkm(TFAIL | TERRNO, cleanup, 156 "inotify_init1(IN_NONBLOCK) failed"); 157 } 158 fl = fcntl(fd, F_GETFL); 159 if (fl == -1) { 160 tst_brkm(TBROK | TERRNO, cleanup, 161 "fcntl failed"); 162 } 163 if ((fl & O_NONBLOCK) == 0) { 164 tst_brkm(TFAIL, cleanup, 165 "inotify_init1(IN_NONBLOCK) set " 166 "non-blocking mode"); 167 } 168 close(fd); 169 tst_resm(TPASS, "inotify_init1(IN_NONBLOCK) PASSED"); 170 } 171 } 172 tst_exit(); 173 } 174
