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annotate usr/src/test/zfs-tests/cmd/file_trunc/file_trunc.c @ 13899:0bcf78798346

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3311 Want a test framework for arbitrary OS unit tests 3312 Add a testrunner package for OS unit tests 3313 Add a testrunner package to convert ZFS tests from STF Reviewed by: Matt Ahrens <matthew.ahrens@delphix.com> Reviewed by: Will Guyette <will.guyette@delphix.com> Reviewed by: Dan Kimmel <dan.kimmel@delphix.com> Reviewed by: Adam Leventhal <ahl@delphix.com> Reviewed by: Henrik Mattson <henrik.mattson@delphix.com> Reviewed by: Sonu Pillai <sonu.pillai@delphix.com> Reviewed by: Christopher Siden <chris.siden@delphix.com> Reviewed by: George Wilson <george.wilson@delphix.com> Reviewed by: Richard Lowe <richlowe@richlowe.net> Approved by: Richard Lowe <richlowe@richlowe.net>
author John Wren Kennedy <john.kennedy@delphix.com>
date Wed, 05 Dec 2012 22:04:50 -0500
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13899
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1 /*
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2 * CDDL HEADER START
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3 *
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4 * The contents of this file are subject to the terms of the
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5 * Common Development and Distribution License (the "License").
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6 * You may not use this file except in compliance with the License.
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7 *
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8 * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
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9 * or http://www.opensolaris.org/os/licensing.
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10 * See the License for the specific language governing permissions
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11 * and limitations under the License.
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12 *
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13 * When distributing Covered Code, include this CDDL HEADER in each
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14 * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
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15 * If applicable, add the following below this CDDL HEADER, with the
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16 * fields enclosed by brackets "[]" replaced with your own identifying
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17 * information: Portions Copyright [yyyy] [name of copyright owner]
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18 *
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19 * CDDL HEADER END
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20 */
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21
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22 /*
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23 * Copyright 2007 Sun Microsystems, Inc. All rights reserved.
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24 * Use is subject to license terms.
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25 */
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26
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27 /*
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28 * Copyright (c) 2012 by Delphix. All rights reserved.
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29 */
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30
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31 #include <stdio.h>
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32 #include <stdlib.h>
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33 #include <unistd.h>
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34 #include <limits.h>
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35 #include <errno.h>
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36 #include <fcntl.h>
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37 #include <sys/types.h>
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38 #include <sys/fcntl.h>
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39 #include <sys/stat.h>
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40 #include <sys/statvfs.h>
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41 #include <sys/errno.h>
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42 #include <sys/time.h>
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43 #include <sys/ioctl.h>
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44 #include <sys/wait.h>
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45 #include <sys/param.h>
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46 #include <string.h>
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47
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48 #define FSIZE 256*1024*1024
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49 #define BSIZE 512
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50
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51 /* Initialize Globals */
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52 static long fsize = FSIZE;
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53 static size_t bsize = BSIZE;
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54 static int count = 0;
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55 static int rflag = 0;
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56 static int seed = 0;
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57 static int vflag = 0;
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58 static int errflag = 0;
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59 static off_t offset = 0;
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60 static char *filename = NULL;
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61
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62 static void usage(char *execname);
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63 static void parse_options(int argc, char *argv[]);
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64 static void do_write(int fd);
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65 static void do_trunc(int fd);
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66
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67 static void
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68 usage(char *execname)
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69 {
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70 (void) fprintf(stderr,
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71 "usage: %s [-b blocksize] [-c count] [-f filesize]"
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72 " [-o offset] [-s seed] [-r] [-v] filename\n", execname);
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73 (void) exit(1);
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74 }
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75
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76 int
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77 main(int argc, char *argv[])
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78 {
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79 int i = 0;
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80 int fd = -1;
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81
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82 parse_options(argc, argv);
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83
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84 fd = open(filename, O_RDWR|O_CREAT|O_TRUNC, 0666);
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85 if (fd < 0) {
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86 perror("open");
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87 exit(3);
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88 }
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89
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90 while (i < count) {
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91 (void) do_write(fd);
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92 (void) do_trunc(fd);
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93
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94 i++;
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95 }
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96
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97 (void) close(fd);
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98 return (0);
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99 }
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100
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101 static void
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102 parse_options(int argc, char *argv[])
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103 {
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104 int c;
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105
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106 extern char *optarg;
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107 extern int optind, optopt;
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108
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109 count = fsize / bsize;
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110 seed = time(NULL);
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111 while ((c = getopt(argc, argv, "b:c:f:o:rs:v")) != -1) {
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112 switch (c) {
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113 case 'b':
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114 bsize = atoi(optarg);
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115 break;
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116
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117 case 'c':
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118 count = atoi(optarg);
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119 break;
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120
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121 case 'f':
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122 fsize = atoi(optarg);
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123 break;
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124
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125 case 'o':
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126 offset = atoi(optarg);
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127 break;
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128
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129 case 'r':
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130 rflag++;
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131 break;
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132
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133 case 's':
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134 seed = atoi(optarg);
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135 break;
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136
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137 case 'v':
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138 vflag++;
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139 break;
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140
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141 case ':':
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142 (void) fprintf(stderr,
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143 "Option -%c requires an operand\n", optopt);
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144 errflag++;
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145 break;
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146
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147 case '?':
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148 (void) fprintf(stderr,
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149 "Unrecognized option: -%c\n", optopt);
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150 errflag++;
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151 break;
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152 }
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153
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154 if (errflag) {
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155 (void) usage(argv[0]);
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156 }
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157 }
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158 if (argc <= optind) {
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159 (void) fprintf(stderr,
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160 "No filename specified\n");
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161 usage(argv[0]);
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162 }
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163 filename = argv[optind];
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164
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165 if (vflag) {
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166 (void) fprintf(stderr, "Seed = %d\n", seed);
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167 }
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168 srandom(seed);
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169 }
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170
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171 static void
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172 do_write(int fd)
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173 {
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174 off_t roffset = 0;
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175 char *buf = NULL;
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176 char *rbuf = NULL;
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177
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178 buf = (char *)calloc(1, bsize);
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179 rbuf = (char *)calloc(1, bsize);
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180 if (buf == NULL || rbuf == NULL) {
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181 perror("malloc");
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182 exit(4);
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183 }
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184
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185 roffset = random() % fsize;
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186 if (lseek64(fd, (offset + roffset), SEEK_SET) < 0) {
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187 perror("lseek");
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188 exit(5);
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189 }
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190
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191 buf = "ZFS Test Suite Truncation Test";
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192 if (write(fd, buf, bsize) < bsize) {
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193 perror("write");
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194 exit(6);
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195 }
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196
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197 if (rflag) {
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198 if (lseek64(fd, (offset + roffset), SEEK_SET) < 0) {
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199 perror("lseek");
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200 exit(7);
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201 }
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202
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203 if (read(fd, rbuf, bsize) < bsize) {
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204 perror("read");
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205 exit(8);
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206 }
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207
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208 if (memcmp(buf, rbuf, bsize) != 0) {
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209 perror("memcmp");
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210 exit(9);
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diff changeset
211 }
0bcf78798346 3311 Want a test framework for arbitrary OS unit tests
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diff changeset
212 }
0bcf78798346 3311 Want a test framework for arbitrary OS unit tests
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diff changeset
213 if (vflag) {
0bcf78798346 3311 Want a test framework for arbitrary OS unit tests
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diff changeset
214 (void) fprintf(stderr,
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diff changeset
215 "Wrote to offset %lld\n", (offset + roffset));
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diff changeset
216 if (rflag) {
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diff changeset
217 (void) fprintf(stderr,
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diff changeset
218 "Read back from offset %lld\n", (offset + roffset));
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diff changeset
219 }
0bcf78798346 3311 Want a test framework for arbitrary OS unit tests
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diff changeset
220 }
0bcf78798346 3311 Want a test framework for arbitrary OS unit tests
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221
0bcf78798346 3311 Want a test framework for arbitrary OS unit tests
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diff changeset
222 (void) free(buf);
0bcf78798346 3311 Want a test framework for arbitrary OS unit tests
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diff changeset
223 (void) free(rbuf);
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diff changeset
224 }
0bcf78798346 3311 Want a test framework for arbitrary OS unit tests
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225
0bcf78798346 3311 Want a test framework for arbitrary OS unit tests
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diff changeset
226 static void
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diff changeset
227 do_trunc(int fd)
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diff changeset
228 {
0bcf78798346 3311 Want a test framework for arbitrary OS unit tests
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diff changeset
229 off_t roffset = 0;
0bcf78798346 3311 Want a test framework for arbitrary OS unit tests
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diff changeset
230
0bcf78798346 3311 Want a test framework for arbitrary OS unit tests
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diff changeset
231 roffset = random() % fsize;
0bcf78798346 3311 Want a test framework for arbitrary OS unit tests
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diff changeset
232 if (ftruncate64(fd, (offset + roffset)) < 0) {
0bcf78798346 3311 Want a test framework for arbitrary OS unit tests
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diff changeset
233 perror("truncate");
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diff changeset
234 exit(7);
0bcf78798346 3311 Want a test framework for arbitrary OS unit tests
John Wren Kennedy <john.kennedy@delphix.com>
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diff changeset
235 }
0bcf78798346 3311 Want a test framework for arbitrary OS unit tests
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diff changeset
236
0bcf78798346 3311 Want a test framework for arbitrary OS unit tests
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diff changeset
237 if (vflag) {
0bcf78798346 3311 Want a test framework for arbitrary OS unit tests
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diff changeset
238 (void) fprintf(stderr,
0bcf78798346 3311 Want a test framework for arbitrary OS unit tests
John Wren Kennedy <john.kennedy@delphix.com>
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diff changeset
239 "Truncated at offset %lld\n",
0bcf78798346 3311 Want a test framework for arbitrary OS unit tests
John Wren Kennedy <john.kennedy@delphix.com>
parents:
diff changeset
240 (offset + roffset));
0bcf78798346 3311 Want a test framework for arbitrary OS unit tests
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parents:
diff changeset
241 }
0bcf78798346 3311 Want a test framework for arbitrary OS unit tests
John Wren Kennedy <john.kennedy@delphix.com>
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diff changeset
242 }