1 | //
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2 | // Cforall Version 1.0.0 Copyright (C) 2017 University of Waterloo
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3 | //
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4 | // The contents of this file are covered under the licence agreement in the
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5 | // file "LICENCE" distributed with Cforall.
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6 | //
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7 | // heap.cfa --
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8 | //
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9 | // Author : Peter A. Buhr
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10 | // Created On : Tue Nov 6 17:54:56 2018
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11 | // Last Modified By : Peter A. Buhr
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12 | // Last Modified On : Tue Dec 15 12:11:51 2020
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13 | // Update Count : 79
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14 | //
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15 |
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16 | #include <thread.hfa>
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17 | #include <kernel.hfa> // processor
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18 | #include <stdlib.hfa> // *allocs
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19 | #include <malloc.h> // malloc_*
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20 |
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21 | // #include <time.hfa>
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22 | // #define __CFA_DEFAULT_PREEMPTION__ 1000`us
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23 | // //#define __CFA_DEFAULT_PREEMPTION__ 0
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24 |
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25 | // Duration default_preemption() {
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26 | // return __CFA_DEFAULT_PREEMPTION__;
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27 | // }
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28 |
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29 | size_t default_heap_expansion() {
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30 | return 10 * 1024 * 1024;
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31 | } // default_heap_expansion
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32 |
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33 | size_t default_mmap_start() {
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34 | return 512 * 1024 + 1;
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35 | } // default_mmap_start
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36 |
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37 | thread Worker {
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38 | }; // Worker
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39 |
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40 | void main( Worker & ) {
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41 | enum { NoOfAllocs = 5000, NoOfMmaps = 10 };
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42 | char * locns[NoOfAllocs];
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43 | size_t amount;
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44 | enum { limit = 64 * 1024 }; // check alignments up to here
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45 |
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46 | // check alloc/free
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47 |
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48 | for ( j; 40 ) {
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49 | for ( i; NoOfAllocs ) {
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50 | locns[i] = alloc( i );
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51 | //sout | (void *)locns[i];
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52 | for ( k; i ) locns[i][k] = '\345';
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53 | } // for
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54 | //sout | (char *)sbrk(0) - start | " bytes";
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55 |
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56 | for ( i; NoOfAllocs ) {
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57 | //sout | (void *)locns[i];
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58 | for ( k; i ) if ( locns[i][k] != '\345' ) abort( "new/delete corrupt storage1" );
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59 | free( locns[i] );
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60 | } // for
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61 | //sout | (char *)sbrk(0) - start | " bytes";
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62 |
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63 | for ( i; NoOfAllocs ) {
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64 | locns[i] = alloc( i );
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65 | //sout | (void *)locns[i];
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66 | for ( k; i ) locns[i][k] = '\345';
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67 | } // for
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68 | for ( i; NoOfAllocs - 1 -~= 0 ) {
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69 | //sout | (void *)locns[i];
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70 | for ( k; i ) if ( locns[i][k] != '\345' ) abort( "new/delete corrupt storage2" );
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71 | free( locns[i] );
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72 | } // for
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73 | } // for
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74 |
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75 | // check malloc/free (sbrk)
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76 |
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77 | for ( i; NoOfAllocs ) {
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78 | size_t s = (i + 1) * 20;
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79 | char * area = (char *)malloc( s );
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80 | area[0] = '\345'; area[s - 1] = '\345'; // fill first/last
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81 | area[malloc_usable_size( area ) - 1] = '\345'; // fill ultimate byte
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82 | free( area );
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83 | } // for
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84 |
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85 | for ( i; NoOfAllocs ) {
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86 | size_t s = i + 1; // +1 to make initialization simpler
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87 | locns[i] = (char *)malloc( s );
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88 | locns[i][0] = '\345'; locns[i][s - 1] = '\345'; // fill first/last
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89 | locns[i][malloc_usable_size( locns[i] ) - 1] = '\345'; // fill ultimate byte
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90 | } // for
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91 | for ( i; NoOfAllocs ) {
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92 | size_t s = i + 1;
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93 | if ( locns[i][0] != '\345' || locns[i][s - 1] != '\345' ||
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94 | locns[i][malloc_usable_size( locns[i] ) - 1] != '\345' ) abort( "malloc/free corrupt storage" );
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95 | free( locns[i] );
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96 | } // for
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97 |
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98 | // check malloc/free (mmap)
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99 |
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100 | for ( i; NoOfMmaps ) {
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101 | size_t s = i + default_mmap_start(); // cross over point
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102 | char * area = (char *)malloc( s );
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103 | area[0] = '\345'; area[s - 1] = '\345'; // fill first/last
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104 | area[malloc_usable_size( area ) - 1] = '\345'; // fill ultimate byte
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105 | free( area );
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106 | } // for
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107 |
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108 | for ( i; NoOfMmaps ) {
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109 | size_t s = i + default_mmap_start(); // cross over point
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110 | locns[i] = (char *)malloc( s );
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111 | locns[i][0] = '\345'; locns[i][s - 1] = '\345'; // fill first/last
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112 | locns[i][malloc_usable_size( locns[i] ) - 1] = '\345'; // fill ultimate byte
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113 | } // for
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114 | for ( i; NoOfMmaps ) {
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115 | size_t s = i + default_mmap_start(); // cross over point
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116 | if ( locns[i][0] != '\345' || locns[i][s - 1] != '\345' ||
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117 | locns[i][malloc_usable_size( locns[i] ) - 1] != '\345' ) abort( "malloc/free corrupt storage" );
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118 | free( locns[i] );
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119 | } // for
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120 |
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121 | // check calloc/free (sbrk)
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122 |
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123 | for ( i; NoOfAllocs ) {
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124 | size_t s = (i + 1) * 20;
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125 | char * area = (char *)calloc( 5, s );
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126 | if ( area[0] != '\0' || area[s - 1] != '\0' ||
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127 | area[malloc_size( area ) - 1] != '\0' ||
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128 | ! malloc_zero_fill( area ) ) abort( "calloc/free corrupt storage1" );
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129 | area[0] = '\345'; area[s - 1] = '\345'; // fill first/last
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130 | area[malloc_usable_size( area ) - 1] = '\345'; // fill ultimate byte
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131 | free( area );
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132 | } // for
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133 |
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134 | for ( i; NoOfAllocs ) {
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135 | size_t s = i + 1;
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136 | locns[i] = (char *)calloc( 5, s );
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137 | if ( locns[i][0] != '\0' || locns[i][s - 1] != '\0' ||
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138 | locns[i][malloc_size( locns[i] ) - 1] != '\0' ||
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139 | ! malloc_zero_fill( locns[i] ) ) abort( "calloc/free corrupt storage2" );
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140 | locns[i][0] = '\345'; locns[i][s - 1] = '\345'; // fill first/last
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141 | locns[i][malloc_usable_size( locns[i] ) - 1] = '\345'; // fill ultimate byte
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142 | } // for
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143 | for ( i; NoOfAllocs ) {
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144 | size_t s = i + 1;
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145 | if ( locns[i][0] != '\345' || locns[i][s - 1] != '\345' ||
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146 | locns[i][malloc_usable_size( locns[i] ) - 1] != '\345' ) abort( "calloc/free corrupt storage3" );
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147 | free( locns[i] );
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148 | } // for
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149 |
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150 | // check calloc/free (mmap)
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151 |
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152 | for ( i; NoOfMmaps ) {
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153 | size_t s = i + default_mmap_start(); // cross over point
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154 | char * area = (char *)calloc( 1, s );
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155 | if ( area[0] != '\0' || area[s - 1] != '\0' ) abort( "calloc/free corrupt storage4.1" );
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156 | if ( area[malloc_size( area ) - 1] != '\0' ) abort( "calloc/free corrupt storage4.2" );
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157 | if ( ! malloc_zero_fill( area ) ) abort( "calloc/free corrupt storage4.3" );
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158 | area[0] = '\345'; area[s - 1] = '\345'; // fill first/last
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159 | area[malloc_usable_size( area ) - 1] = '\345'; // fill ultimate byte
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160 | free( area );
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161 | } // for
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162 |
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163 | for ( i; NoOfMmaps ) {
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164 | size_t s = i + default_mmap_start(); // cross over point
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165 | locns[i] = (char *)calloc( 1, s );
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166 | if ( locns[i][0] != '\0' || locns[i][s - 1] != '\0' ||
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167 | locns[i][malloc_size( locns[i] ) - 1] != '\0' ||
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168 | ! malloc_zero_fill( locns[i] ) ) abort( "calloc/free corrupt storage5" );
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169 | locns[i][0] = '\345'; locns[i][s - 1] = '\345'; // fill first/last
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170 | locns[i][malloc_usable_size( locns[i] ) - 1] = '\345'; // fill ultimate byte
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171 | } // for
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172 | for ( i; NoOfMmaps ) {
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173 | size_t s = i + default_mmap_start(); // cross over point
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174 | if ( locns[i][0] != '\345' || locns[i][s - 1] != '\345' ||
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175 | locns[i][malloc_usable_size( locns[i] ) - 1] != '\345' ) abort( "calloc/free corrupt storage6" );
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176 | free( locns[i] );
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177 | } // for
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178 |
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179 | // check memalign/free (sbrk)
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180 |
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181 | for ( a; libAlign() ~= limit ~ a ) { // generate powers of 2
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182 | //sout | alignments[a];
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183 | for ( s; 1 ~ NoOfAllocs ) { // allocation of size 0 can return null
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184 | char * area = (char *)memalign( a, s );
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185 | //sout | i | area;
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186 | if ( (size_t)area % a != 0 || malloc_alignment( area ) != a ) { // check for initial alignment
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187 | abort( "memalign/free bad alignment : memalign(%d,%d) = %p", (int)a, s, area );
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188 | } // if
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189 | area[0] = '\345'; area[s - 1] = '\345'; // fill first/last byte
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190 | area[malloc_usable_size( area ) - 1] = '\345'; // fill ultimate byte
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191 | free( area );
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192 | } // for
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193 | } // for
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194 |
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195 | // check memalign/free (mmap)
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196 |
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197 | for ( a; libAlign() ~= limit ~ a ) { // generate powers of 2
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198 | //sout | alignments[a];
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199 | for ( i; 1 ~ NoOfMmaps ) {
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200 | size_t s = i + default_mmap_start(); // cross over point
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201 | char * area = (char *)memalign( a, s );
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202 | //sout | i | area;
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203 | if ( (size_t)area % a != 0 || malloc_alignment( area ) != a ) { // check for initial alignment
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204 | abort( "memalign/free bad alignment : memalign(%d,%d) = %p", (int)a, (int)s, area );
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205 | } // if
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206 | area[0] = '\345'; area[s - 1] = '\345'; // fill first/last byte
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207 | area[malloc_usable_size( area ) - 1] = '\345'; // fill ultimate byte
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208 | free( area );
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209 | } // for
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210 | } // for
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211 |
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212 | // check malloc/resize/free (sbrk)
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213 |
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214 | for ( i; 2 ~ NoOfAllocs ~ 12 ) {
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215 | // initial N byte allocation
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216 | char * area = (char *)malloc( i );
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217 | area[0] = '\345'; area[i - 1] = '\345'; // fill first/penultimate byte
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218 |
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219 | // Do not start this loop index at 0 because resize of 0 bytes frees the storage.
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220 | int prev = i;
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221 | for ( s; i ~ 256 * 1024 ~ 26 ) { // start at initial memory request
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222 | if ( area[0] != '\345' || area[prev - 1] != '\345' ) abort( "malloc/resize/free corrupt storage" );
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223 | area = (char *)resize( area, s ); // attempt to reuse storage
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224 | area[0] = area[s - 1] = '\345'; // fill last byte
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225 | prev = s;
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226 | } // for
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227 | free( area );
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228 | } // for
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229 |
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230 | // check malloc/resize/free (mmap)
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231 |
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232 | for ( i; 2 ~ NoOfAllocs ~ 12 ) {
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233 | // initial N byte allocation
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234 | size_t s = i + default_mmap_start(); // cross over point
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235 | char * area = (char *)malloc( s );
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236 | area[0] = '\345'; area[s - 1] = '\345'; // fill first/penultimate byte
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237 |
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238 | // Do not start this loop index at 0 because resize of 0 bytes frees the storage.
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239 | int prev = s;
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240 | for ( r; s ~ 256 * 1024 ~ 26 ) { // start at initial memory request
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241 | if ( area[0] != '\345' || area[prev - 1] != '\345' ) abort( "malloc/resize/free corrupt storage" );
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242 | area = (char *)resize( area, s ); // attempt to reuse storage
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243 | area[0] = area[r - 1] = '\345'; // fill last byte
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244 | prev = r;
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245 | } // for
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246 | free( area );
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247 | } // for
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248 |
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249 | // check malloc/realloc/free (sbrk)
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250 |
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251 | for ( i; 2 ~ NoOfAllocs ~ 12 ) {
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252 | // initial N byte allocation
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253 | char * area = (char *)malloc( i );
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254 | area[0] = '\345'; area[i - 1] = '\345'; // fill first/penultimate byte
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255 |
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256 | // Do not start this loop index at 0 because realloc of 0 bytes frees the storage.
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257 | int prev = i;
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258 | for ( s; i ~ 256 * 1024 ~ 26 ) { // start at initial memory request
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259 | if ( area[0] != '\345' || area[prev - 1] != '\345' ) abort( "malloc/realloc/free corrupt storage" );
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260 | area = (char *)realloc( area, s ); // attempt to reuse storage
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261 | area[s - 1] = '\345'; // fill last byte
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262 | prev = s;
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263 | } // for
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264 | free( area );
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265 | } // for
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266 |
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267 | // check malloc/realloc/free (mmap)
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268 |
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269 | for ( i; 2 ~ NoOfAllocs ~ 12 ) {
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270 | // initial N byte allocation
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271 | size_t s = i + default_mmap_start(); // cross over point
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272 | char * area = (char *)malloc( s );
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273 | area[0] = '\345'; area[s - 1] = '\345'; // fill first/penultimate byte
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274 |
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275 | // Do not start this loop index at 0 because realloc of 0 bytes frees the storage.
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276 | int prev = s;
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277 | for ( r; s ~ 256 * 1024 ~ 26 ) { // start at initial memory request
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278 | if ( area[0] != '\345' || area[prev - 1] != '\345' ) abort( "malloc/realloc/free corrupt storage" );
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279 | area = (char *)realloc( area, s ); // attempt to reuse storage
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280 | area[r - 1] = '\345'; // fill last byte
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281 | prev = r;
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282 | } // for
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283 | free( area );
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284 | } // for
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285 |
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286 | // check calloc/realloc/free (sbrk)
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287 |
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288 | for ( i; 1 ~ 10_000 ~ 12 ) {
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289 | // initial N byte allocation
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290 | char * area = (char *)calloc( 5, i );
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291 | if ( area[0] != '\0' || area[i - 1] != '\0' ||
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292 | area[malloc_size( area ) - 1] != '\0' ||
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293 | ! malloc_zero_fill( area ) ) abort( "calloc/realloc/free corrupt storage1" );
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294 |
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295 | // Do not start this loop index at 0 because realloc of 0 bytes frees the storage.
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296 | for ( s; i ~ 256 * 1024 ~ 26 ) { // start at initial memory request
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297 | area = (char *)realloc( area, s ); // attempt to reuse storage
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298 | if ( area[0] != '\0' || area[s - 1] != '\0' ||
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299 | area[malloc_size( area ) - 1] != '\0' ||
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300 | ! malloc_zero_fill( area ) ) abort( "calloc/realloc/free corrupt storage2" );
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301 | } // for
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302 | free( area );
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303 | } // for
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304 |
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305 | // check calloc/realloc/free (mmap)
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306 |
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307 | for ( i; 1 ~ 10_000 ~ 12 ) {
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308 | // initial N byte allocation
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309 | size_t s = i + default_mmap_start(); // cross over point
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310 | char * area = (char *)calloc( 1, s );
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311 | if ( area[0] != '\0' || area[s - 1] != '\0' ||
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312 | area[malloc_size( area ) - 1] != '\0' ||
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313 | ! malloc_zero_fill( area ) ) abort( "calloc/realloc/free corrupt storage3" );
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314 |
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315 | // Do not start this loop index at 0 because realloc of 0 bytes frees the storage.
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316 | for ( r; i ~ 256 * 1024 ~ 26 ) { // start at initial memory request
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317 | area = (char *)realloc( area, r ); // attempt to reuse storage
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318 | if ( area[0] != '\0' || area[r - 1] != '\0' ||
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319 | area[malloc_size( area ) - 1] != '\0' ||
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320 | ! malloc_zero_fill( area ) ) abort( "calloc/realloc/free corrupt storage4" );
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321 | } // for
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322 | free( area );
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323 | } // for
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324 |
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325 | // check memalign/realloc/free
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326 |
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327 | amount = 2;
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328 | for ( a; libAlign() ~= limit ~ a ) { // generate powers of 2
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329 | // initial N byte allocation
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330 | char * area = (char *)memalign( a, amount ); // aligned N-byte allocation
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331 | //sout | alignments[a] | area;
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332 | if ( (size_t)area % a != 0 || malloc_alignment( area ) != a ) { // check for initial alignment
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333 | abort( "memalign/realloc/free bad alignment : memalign(%d,%d) = %p", (int)a, (int)amount, area );
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334 | } // if
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335 | area[0] = '\345'; area[amount - 2] = '\345'; // fill first/penultimate byte
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336 |
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337 | // Do not start this loop index at 0 because realloc of 0 bytes frees the storage.
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338 | for ( s; amount ~ 256 * 1024 ) { // start at initial memory request
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339 | if ( area[0] != '\345' || area[s - 2] != '\345' ) abort( "memalign/realloc/free corrupt storage" );
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340 | area = (char *)realloc( area, s ); // attempt to reuse storage
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341 | //sout | i | area;
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342 | if ( (size_t)area % a != 0 ) { // check for initial alignment
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343 | abort( "memalign/realloc/free bad alignment %p", area );
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344 | } // if
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345 | area[s - 1] = '\345'; // fill last byte
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346 | } // for
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347 | free( area );
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348 | } // for
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349 |
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350 | // check cmemalign/free
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351 |
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352 | for ( a; libAlign() ~= limit ~ a ) { // generate powers of 2
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353 | //sout | alignments[a];
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354 | for ( s; 1 ~ limit ) { // allocation of size 0 can return null
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355 | char * area = (char *)cmemalign( a, 1, s );
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356 | //sout | i | area;
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357 | if ( (size_t)area % a != 0 || malloc_alignment( area ) != a ) { // check for initial alignment
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358 | abort( "cmemalign/free bad alignment : cmemalign(%d,%d) = %p", (int)a, s, area );
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359 | } // if
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360 | if ( area[0] != '\0' || area[s - 1] != '\0' ||
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361 | area[malloc_size( area ) - 1] != '\0' ||
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362 | ! malloc_zero_fill( area ) ) abort( "cmemalign/free corrupt storage" );
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363 | area[0] = '\345'; area[s - 1] = '\345'; // fill first/last byte
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364 | free( area );
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365 | } // for
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366 | } // for
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367 |
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368 | // check cmemalign/realloc/free
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369 |
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370 | amount = 2;
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371 | for ( a; libAlign() ~= limit ~ a ) { // generate powers of 2
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372 | // initial N byte allocation
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373 | char * area = (char *)cmemalign( a, 1, amount ); // aligned N-byte allocation
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374 | //sout | alignments[a] | area;
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375 | if ( (size_t)area % a != 0 || malloc_alignment( area ) != a ) { // check for initial alignment
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376 | abort( "cmemalign/realloc/free bad alignment : cmemalign(%d,%d) = %p", (int)a, (int)amount, area );
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377 | } // if
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378 | if ( area[0] != '\0' || area[amount - 1] != '\0' ||
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379 | area[malloc_size( area ) - 1] != '\0' ||
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380 | ! malloc_zero_fill( area ) ) abort( "cmemalign/realloc/free corrupt storage1" );
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381 | area[0] = '\345'; area[amount - 2] = '\345'; // fill first/penultimate byte
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382 |
|
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383 | // Do not start this loop index at 0 because realloc of 0 bytes frees the storage.
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384 | for ( s; amount ~ 256 * 1024 ) { // start at initial memory request
|
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385 | if ( area[0] != '\345' || area[s - 2] != '\345' ) abort( "cmemalign/realloc/free corrupt storage2" );
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386 | area = (char *)realloc( area, s ); // attempt to reuse storage
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387 | //sout | i | area;
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388 | if ( (size_t)area % a != 0 || malloc_alignment( area ) != a ) { // check for initial alignment
|
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389 | abort( "cmemalign/realloc/free bad alignment %p", area );
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390 | } // if
|
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391 | if ( area[0] != '\345' || area[s - 1] != '\0' ||
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392 | area[malloc_size( area ) - 1] != '\0' ||
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393 | ! malloc_zero_fill( area ) ) abort( "cmemalign/realloc/free corrupt storage3" );
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394 | area[s - 1] = '\345'; // fill last byte
|
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395 | } // for
|
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396 | free( area );
|
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397 | } // for
|
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398 |
|
---|
399 | // check memalign/resize with align/free
|
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400 |
|
---|
401 | amount = 2;
|
---|
402 | for ( a; libAlign() ~= limit ~ a ) { // generate powers of 2
|
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403 | // initial N byte allocation
|
---|
404 | char * area = (char *)memalign( a, amount ); // aligned N-byte allocation
|
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405 | //sout | alignments[a] | area | endl;
|
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406 | if ( (size_t)area % a != 0 || malloc_alignment( area ) != a ) { // check for initial alignment
|
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407 | abort( "memalign/resize with align/free bad alignment : memalign(%d,%d) = %p", (int)a, (int)amount, area );
|
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408 | } // if
|
---|
409 | area[0] = '\345'; area[amount - 2] = '\345'; // fill first/penultimate byte
|
---|
410 |
|
---|
411 | // Do not start this loop index at 0 because resize of 0 bytes frees the storage.
|
---|
412 | for ( s; amount ~ 256 * 1024 ) { // start at initial memory request
|
---|
413 | area = (char *)resize( area, a * 2, s ); // attempt to reuse storage
|
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414 | //sout | i | area | endl;
|
---|
415 | if ( (size_t)area % a * 2 != 0 ) { // check for initial alignment
|
---|
416 | abort( "memalign/resize with align/free bad alignment %p", area );
|
---|
417 | } // if
|
---|
418 | area[s - 1] = '\345'; // fill last byte
|
---|
419 | } // for
|
---|
420 | free( area );
|
---|
421 | } // for
|
---|
422 |
|
---|
423 | // check memalign/realloc with align/free
|
---|
424 |
|
---|
425 | amount = 2;
|
---|
426 | for ( a; libAlign() ~= limit ~ a ) { // generate powers of 2
|
---|
427 | // initial N byte allocation
|
---|
428 | char * area = (char *)memalign( a, amount ); // aligned N-byte allocation
|
---|
429 | //sout | alignments[a] | area | endl;
|
---|
430 | if ( (size_t)area % a != 0 || malloc_alignment( area ) != a ) { // check for initial alignment
|
---|
431 | abort( "memalign/realloc with align/free bad alignment : memalign(%d,%d) = %p", (int)a, (int)amount, area );
|
---|
432 | } // if
|
---|
433 | area[0] = '\345'; area[amount - 2] = '\345'; // fill first/penultimate byte
|
---|
434 |
|
---|
435 | // Do not start this loop index at 0 because realloc of 0 bytes frees the storage.
|
---|
436 | for ( s; amount ~ 256 * 1024 ) { // start at initial memory request
|
---|
437 | if ( area[0] != '\345' || area[s - 2] != '\345' ) abort( "memalign/realloc/free corrupt storage" );
|
---|
438 | area = (char *)realloc( area, a * 2, s ); // attempt to reuse storage
|
---|
439 | //sout | i | area | endl;
|
---|
440 | if ( (size_t)area % a * 2 != 0 ) { // check for initial alignment
|
---|
441 | abort( "memalign/realloc with align/free bad alignment %p", area );
|
---|
442 | } // if
|
---|
443 | area[s - 1] = '\345'; // fill last byte
|
---|
444 | } // for
|
---|
445 | free( area );
|
---|
446 | } // for
|
---|
447 |
|
---|
448 | // check cmemalign/realloc with align/free
|
---|
449 |
|
---|
450 | amount = 2;
|
---|
451 | for ( size_t a = libAlign() + libAlign(); a <= limit; a += a ) { // generate powers of 2
|
---|
452 | // initial N byte allocation
|
---|
453 | char * area = (char *)cmemalign( a, 1, amount ); // aligned N-byte allocation
|
---|
454 | //sout | alignments[a] | area | endl;
|
---|
455 | if ( (size_t)area % a != 0 || malloc_alignment( area ) != a ) { // check for initial alignment
|
---|
456 | abort( "cmemalign/realloc with align/free bad alignment : cmemalign(%d,%d) = %p", (int)a, (int)amount, area );
|
---|
457 | } // if
|
---|
458 | if ( area[0] != '\0' || area[amount - 1] != '\0' ||
|
---|
459 | area[malloc_size( area ) - 1] != '\0' ||
|
---|
460 | ! malloc_zero_fill( area ) ) abort( "cmemalign/realloc with align/free corrupt storage1" );
|
---|
461 | area[0] = '\345'; area[amount - 2] = '\345'; // fill first/penultimate byte
|
---|
462 |
|
---|
463 | // Do not start this loop index at 0 because realloc of 0 bytes frees the storage.
|
---|
464 | for ( int s = amount; s < 256 * 1024; s += 1 ) { // start at initial memory request
|
---|
465 | if ( area[0] != '\345' || area[s - 2] != '\345' ) abort( "cmemalign/realloc with align/free corrupt storage2" );
|
---|
466 | area = (char *)realloc( area, a * 2, s ); // attempt to reuse storage
|
---|
467 | //sout | i | area | endl;
|
---|
468 | if ( (size_t)area % a * 2 != 0 || malloc_alignment( area ) != a * 2 ) { // check for initial alignment
|
---|
469 | abort( "cmemalign/realloc with align/free bad alignment %p %zd %zd", area, malloc_alignment( area ), a * 2 );
|
---|
470 | } // if
|
---|
471 | if ( area[s - 1] != '\0' || area[s - 1] != '\0' ||
|
---|
472 | area[malloc_size( area ) - 1] != '\0' ||
|
---|
473 | ! malloc_zero_fill( area ) ) abort( "cmemalign/realloc/free corrupt storage3" );
|
---|
474 | area[s - 1] = '\345'; // fill last byte
|
---|
475 | } // for
|
---|
476 | free( area );
|
---|
477 | } // for
|
---|
478 |
|
---|
479 | //sout | "worker" | thisTask() | "successful completion";
|
---|
480 | } // Worker main
|
---|
481 |
|
---|
482 | int main() {
|
---|
483 | const unsigned int NoOfWorkers = 4;
|
---|
484 | {
|
---|
485 | processor processors[NoOfWorkers - 1] __attribute__(( unused )); // more than one processor
|
---|
486 | Worker workers[NoOfWorkers] __attribute__(( unused ));
|
---|
487 | }
|
---|
488 | // checkFreeOn();
|
---|
489 | // malloc_stats();
|
---|
490 | printf( "done\n" ); // non-empty .expect file
|
---|
491 | }
|
---|
492 |
|
---|
493 | // Local Variables: //
|
---|
494 | // tab-width: 4 //
|
---|
495 | // compile-command: "cfa -nodebug -O2 heap.cfa" //
|
---|
496 | // End: //
|
---|