1 /* 2 * Copyright (c) 2000 Silicon Graphics, Inc. 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 * Further, this software is distributed without any warranty that it is 13 * free of the rightful claim of any third person regarding infringement 14 * or the like. Any license provided herein, whether implied or 15 * otherwise, applies only to this software file. Patent licenses, if 16 * any, provided herein do not apply to combinations of this program with 17 * other software, or any other product whatsoever. 18 * 19 * You should have received a copy of the GNU General Public License along 20 * with this program; if not, write the Free Software Foundation, Inc., 21 * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA. 22 * 23 * Contact information: Silicon Graphics, Inc., 1600 Amphitheatre Pkwy, 24 * Mountain View, CA 94043, or: 25 * 26 * http://www.sgi.com 27 * 28 * For further information regarding this notice, see: 29 * 30 * http://oss.sgi.com/projects/GenInfo/NoticeExplan/ 31 * 32 */ 33 /* $Id: lseek01.c,v 1.5 2009/11/02 13:57:17 subrata_modak Exp $ */ 34 /********************************************************** 35 * 36 * OS Test - Silicon Graphics, Inc. 37 * 38 * TEST IDENTIFIER : lseek01 39 * 40 * EXECUTED BY : anyone 41 * 42 * TEST TITLE : Basic test for lseek(2) 43 * 44 * PARENT DOCUMENT : usctpl01 45 * 46 * TEST CASE TOTAL : 3 47 * 48 * WALL CLOCK TIME : 1 49 * 50 * CPU TYPES : ALL 51 * 52 * AUTHOR : William Roske 53 * 54 * CO-PILOT : Dave Fenner 55 * 56 * DATE STARTED : 03/30/92 57 * 58 * INITIAL RELEASE : UNICOS 7.0 59 * 60 * TEST CASES 61 * 62 * 1.) lseek(2) returns...(See Description) 63 * 64 * INPUT SPECIFICATIONS 65 * The standard options for system call tests are accepted. 66 * (See the parse_opts(3) man page). 67 * 68 * OUTPUT SPECIFICATIONS 69 *$ 70 * DURATION 71 * Terminates - with frequency and infinite modes. 72 * 73 * SIGNALS 74 * Uses SIGUSR1 to pause before test if option set. 75 * (See the parse_opts(3) man page). 76 * 77 * RESOURCES 78 * None 79 * 80 * ENVIRONMENTAL NEEDS 81 * No run-time environmental needs. 82 * 83 * SPECIAL PROCEDURAL REQUIREMENTS 84 * None 85 * 86 * INTERCASE DEPENDENCIES 87 * None 88 * 89 * DETAILED DESCRIPTION 90 * This is a Phase I test for the lseek(2) system call. It is intended 91 * to provide a limited exposure of the system call, for now. It 92 * should/will be extended when full functional tests are written for 93 * lseek(2). 94 * 95 * Setup: 96 * Setup signal handling. 97 * Pause for SIGUSR1 if option specified. 98 * 99 * Test: 100 * Loop if the proper options are given. 101 * Execute system call 102 * Check return code, if system call failed (return=-1) 103 * Log the errno and Issue a FAIL message. 104 * Otherwise, Issue a PASS message. 105 * 106 * Cleanup: 107 * Print errno log and/or timing stats if options given 108 * 109 * 110 *#*#*#*#*#*#*#*#*#*#*#*#*#*#*#*#*#*#*#*#*#*#*#*#*#*#*#*#*#**/ 111 112 #include <sys/types.h> 113 #include <sys/fcntl.h> 114 #include <errno.h> 115 #include <string.h> 116 #include <signal.h> 117 #include <unistd.h> 118 #include "test.h" 119 120 void setup(); 121 void cleanup(); 122 123 char *TCID = "lseek01"; 124 int TST_TOTAL = 3; 125 126 char Fname[255]; 127 int Fd; 128 129 int Whence[] = { SEEK_SET, SEEK_CUR, SEEK_END, -1 }; 130 131 int main(int ac, char **av) 132 { 133 int lc; 134 135 int ind; 136 int offset; 137 138 /*************************************************************** 139 * parse standard options 140 ***************************************************************/ 141 tst_parse_opts(ac, av, NULL, NULL); 142 143 /*************************************************************** 144 * perform global setup for test 145 ***************************************************************/ 146 setup(); 147 148 /*************************************************************** 149 * check looping state if -c option given 150 ***************************************************************/ 151 for (lc = 0; TEST_LOOPING(lc); lc++) { 152 153 tst_count = 0; 154 155 offset = (lc % 100) * 4096; /* max size is 100 blocks */ 156 157 for (ind = 0; Whence[ind] >= 0; ind++) { 158 159 /* 160 * Call lseek(2) 161 */ 162 TEST(lseek(Fd, (long)offset, Whence[ind])); 163 164 /* check return code */ 165 if (TEST_RETURN == -1) { 166 tst_resm(TFAIL, 167 "lseek(%s, %d, 0) Failed, errno=%d : %s", 168 Fname, offset, TEST_ERRNO, 169 strerror(TEST_ERRNO)); 170 } else { 171 tst_resm(TPASS, 172 "lseek(%s, %d, %d) returned %ld", 173 Fname, offset, Whence[ind], 174 TEST_RETURN); 175 } 176 } 177 178 } 179 180 cleanup(); 181 tst_exit(); 182 } 183 184 /*************************************************************** 185 * setup() - performs all ONE TIME setup for this test. 186 ***************************************************************/ 187 void setup(void) 188 { 189 190 tst_sig(NOFORK, DEF_HANDLER, cleanup); 191 192 TEST_PAUSE; 193 194 tst_tmpdir(); 195 196 sprintf(Fname, "tfile_%d", getpid()); 197 if ((Fd = open(Fname, O_RDWR | O_CREAT, 0700)) == -1) { 198 tst_brkm(TBROK, cleanup, 199 "open(%s, O_RDWR|O_CREAT,0700) Failed, errno=%d : %s", 200 Fname, errno, strerror(errno)); 201 } 202 } 203 204 /*************************************************************** 205 * cleanup() - performs all ONE TIME cleanup for this test at 206 * completion or premature exit. 207 ***************************************************************/ 208 void cleanup(void) 209 { 210 211 /* close the file we have open */ 212 if (close(Fd) == -1) { 213 tst_resm(TWARN, "close(%s) Failed, errno=%d : %s", Fname, errno, 214 strerror(errno)); 215 } 216 217 tst_rmdir(); 218 219 } 220