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 : Wed Aug 10 09:57:01 2022 |
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13 | // Update Count : 86 |
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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 | thread Worker { |
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30 | }; // Worker |
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31 | |
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32 | void main( Worker & ) { |
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33 | enum { NoOfAllocs = 5000, NoOfMmaps = 10 }; |
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34 | char * locns[NoOfAllocs]; |
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35 | size_t amount; |
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36 | enum { limit = 64 * 1024 }; // check alignments up to here |
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37 | |
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38 | // check alloc/free |
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39 | |
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40 | for ( j; 40 ) { |
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41 | for ( i; NoOfAllocs ) { |
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42 | locns[i] = alloc( i ); |
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43 | //sout | (void *)locns[i]; |
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44 | for ( k; i ) locns[i][k] = '\345'; |
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45 | } // for |
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46 | //sout | (char *)sbrk(0) - start | " bytes"; |
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47 | |
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48 | for ( i; NoOfAllocs ) { |
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49 | //sout | (void *)locns[i]; |
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50 | for ( k; i ) if ( locns[i][k] != '\345' ) abort( "new/delete corrupt storage1" ); |
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51 | free( locns[i] ); |
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52 | } // for |
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53 | //sout | (char *)sbrk(0) - start | " bytes"; |
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54 | |
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55 | for ( i; NoOfAllocs ) { |
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56 | locns[i] = alloc( i ); |
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57 | //sout | (void *)locns[i]; |
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58 | for ( k; i ) locns[i][k] = '\345'; |
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59 | } // for |
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60 | for ( i; -~= NoOfAllocs - 1 ) { |
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61 | //sout | (void *)locns[i]; |
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62 | for ( k; i ) if ( locns[i][k] != '\345' ) abort( "new/delete corrupt storage2" ); |
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63 | free( locns[i] ); |
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64 | } // for |
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65 | } // for |
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66 | |
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67 | // check malloc/free (sbrk) |
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68 | |
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69 | for ( i; NoOfAllocs ) { |
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70 | size_t s = (i + 1) * 20; |
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71 | char * area = (char *)malloc( s ); |
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72 | area[0] = '\345'; area[s - 1] = '\345'; // fill first/last |
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73 | area[malloc_usable_size( area ) - 1] = '\345'; // fill ultimate byte |
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74 | free( area ); |
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75 | } // for |
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76 | |
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77 | for ( i; NoOfAllocs ) { |
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78 | size_t s = i + 1; // +1 to make initialization simpler |
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79 | locns[i] = (char *)malloc( s ); |
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80 | locns[i][0] = '\345'; locns[i][s - 1] = '\345'; // fill first/last |
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81 | locns[i][malloc_usable_size( locns[i] ) - 1] = '\345'; // fill ultimate byte |
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82 | } // for |
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83 | for ( i; NoOfAllocs ) { |
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84 | size_t s = i + 1; |
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85 | if ( locns[i][0] != '\345' || locns[i][s - 1] != '\345' || |
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86 | locns[i][malloc_usable_size( locns[i] ) - 1] != '\345' ) abort( "malloc/free corrupt storage" ); |
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87 | free( locns[i] ); |
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88 | } // for |
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89 | |
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90 | // check malloc/free (mmap) |
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91 | |
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92 | for ( i; NoOfMmaps ) { |
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93 | size_t s = i + malloc_mmap_start(); // cross over point |
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94 | char * area = (char *)malloc( s ); |
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95 | area[0] = '\345'; area[s - 1] = '\345'; // fill first/last |
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96 | area[malloc_usable_size( area ) - 1] = '\345'; // fill ultimate byte |
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97 | free( area ); |
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98 | } // for |
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99 | |
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100 | for ( i; NoOfMmaps ) { |
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101 | size_t s = i + malloc_mmap_start(); // cross over point |
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102 | locns[i] = (char *)malloc( s ); |
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103 | locns[i][0] = '\345'; locns[i][s - 1] = '\345'; // fill first/last |
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104 | locns[i][malloc_usable_size( locns[i] ) - 1] = '\345'; // fill ultimate byte |
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105 | } // for |
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106 | for ( i; NoOfMmaps ) { |
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107 | size_t s = i + malloc_mmap_start(); // cross over point |
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108 | if ( locns[i][0] != '\345' || locns[i][s - 1] != '\345' || |
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109 | locns[i][malloc_usable_size( locns[i] ) - 1] != '\345' ) abort( "malloc/free corrupt storage" ); |
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110 | free( locns[i] ); |
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111 | } // for |
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112 | |
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113 | // check calloc/free (sbrk) |
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114 | |
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115 | for ( i; NoOfAllocs ) { |
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116 | size_t s = (i + 1) * 20; |
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117 | char * area = (char *)calloc( 5, s ); |
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118 | if ( area[0] != '\0' || area[s - 1] != '\0' || |
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119 | area[malloc_size( area ) - 1] != '\0' || |
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120 | ! malloc_zero_fill( area ) ) abort( "calloc/free corrupt storage1" ); |
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121 | area[0] = '\345'; area[s - 1] = '\345'; // fill first/last |
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122 | area[malloc_usable_size( area ) - 1] = '\345'; // fill ultimate byte |
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123 | free( area ); |
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124 | } // for |
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125 | |
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126 | for ( i; NoOfAllocs ) { |
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127 | size_t s = i + 1; |
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128 | locns[i] = (char *)calloc( 5, s ); |
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129 | if ( locns[i][0] != '\0' || locns[i][s - 1] != '\0' || |
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130 | locns[i][malloc_size( locns[i] ) - 1] != '\0' || |
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131 | ! malloc_zero_fill( locns[i] ) ) abort( "calloc/free corrupt storage2" ); |
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132 | locns[i][0] = '\345'; locns[i][s - 1] = '\345'; // fill first/last |
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133 | locns[i][malloc_usable_size( locns[i] ) - 1] = '\345'; // fill ultimate byte |
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134 | } // for |
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135 | for ( i; NoOfAllocs ) { |
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136 | size_t s = i + 1; |
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137 | if ( locns[i][0] != '\345' || locns[i][s - 1] != '\345' || |
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138 | locns[i][malloc_usable_size( locns[i] ) - 1] != '\345' ) abort( "calloc/free corrupt storage3" ); |
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139 | free( locns[i] ); |
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140 | } // for |
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141 | |
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142 | // check calloc/free (mmap) |
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143 | |
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144 | for ( i; NoOfMmaps ) { |
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145 | size_t s = i + malloc_mmap_start(); // cross over point |
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146 | char * area = (char *)calloc( 1, s ); |
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147 | if ( area[0] != '\0' || area[s - 1] != '\0' ) abort( "calloc/free corrupt storage4.1" ); |
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148 | if ( area[malloc_size( area ) - 1] != '\0' ) abort( "calloc/free corrupt storage4.2" ); |
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149 | if ( ! malloc_zero_fill( area ) ) abort( "calloc/free corrupt storage4.3" ); |
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150 | area[0] = '\345'; area[s - 1] = '\345'; // fill first/last |
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151 | area[malloc_usable_size( area ) - 1] = '\345'; // fill ultimate byte |
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152 | free( area ); |
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153 | } // for |
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154 | |
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155 | for ( i; NoOfMmaps ) { |
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156 | size_t s = i + malloc_mmap_start(); // cross over point |
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157 | locns[i] = (char *)calloc( 1, s ); |
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158 | if ( locns[i][0] != '\0' || locns[i][s - 1] != '\0' || |
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159 | locns[i][malloc_size( locns[i] ) - 1] != '\0' || |
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160 | ! malloc_zero_fill( locns[i] ) ) abort( "calloc/free corrupt storage5" ); |
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161 | locns[i][0] = '\345'; locns[i][s - 1] = '\345'; // fill first/last |
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162 | locns[i][malloc_usable_size( locns[i] ) - 1] = '\345'; // fill ultimate byte |
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163 | } // for |
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164 | for ( i; NoOfMmaps ) { |
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165 | size_t s = i + malloc_mmap_start(); // cross over point |
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166 | if ( locns[i][0] != '\345' || locns[i][s - 1] != '\345' || |
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167 | locns[i][malloc_usable_size( locns[i] ) - 1] != '\345' ) abort( "calloc/free corrupt storage6" ); |
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168 | free( locns[i] ); |
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169 | } // for |
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170 | |
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171 | // check memalign/free (sbrk) |
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172 | |
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173 | for ( a; libAlign() ~= limit ~ a ) { // generate powers of 2 |
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174 | //sout | alignments[a]; |
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175 | for ( s; 1 ~ NoOfAllocs ) { // allocation of size 0 can return null |
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176 | char * area = (char *)memalign( a, s ); |
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177 | //sout | i | area; |
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178 | if ( (size_t)area % a != 0 || malloc_alignment( area ) != a ) { // check for initial alignment |
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179 | abort( "memalign/free bad alignment : memalign(%d,%d) = %p", (int)a, s, area ); |
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180 | } // if |
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181 | area[0] = '\345'; area[s - 1] = '\345'; // fill first/last byte |
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182 | area[malloc_usable_size( area ) - 1] = '\345'; // fill ultimate byte |
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183 | free( area ); |
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184 | } // for |
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185 | } // for |
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186 | |
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187 | // check memalign/free (mmap) |
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188 | |
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189 | for ( a; libAlign() ~= limit ~ a ) { // generate powers of 2 |
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190 | //sout | alignments[a]; |
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191 | for ( i; 1 ~ NoOfMmaps ) { |
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192 | size_t s = i + malloc_mmap_start(); // cross over point |
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193 | char * area = (char *)memalign( a, s ); |
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194 | //sout | i | area; |
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195 | if ( (size_t)area % a != 0 || malloc_alignment( area ) != a ) { // check for initial alignment |
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196 | abort( "memalign/free bad alignment : memalign(%d,%d) = %p", (int)a, (int)s, area ); |
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197 | } // if |
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198 | area[0] = '\345'; area[s - 1] = '\345'; // fill first/last byte |
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199 | area[malloc_usable_size( area ) - 1] = '\345'; // fill ultimate byte |
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200 | free( area ); |
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201 | } // for |
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202 | } // for |
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203 | |
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204 | // check malloc/resize/free (sbrk) |
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205 | |
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206 | for ( i; 2 ~ NoOfAllocs ~ 12 ) { |
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207 | // initial N byte allocation |
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208 | char * area = (char *)malloc( i ); |
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209 | area[0] = '\345'; area[i - 1] = '\345'; // fill first/penultimate byte |
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210 | |
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211 | // Do not start this loop index at 0 because resize of 0 bytes frees the storage. |
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212 | int prev = i; |
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213 | for ( s; i ~ 256 * 1024 ~ 26 ) { // start at initial memory request |
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214 | if ( area[0] != '\345' || area[prev - 1] != '\345' ) abort( "malloc/resize/free corrupt storage" ); |
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215 | area = (char *)resize( area, s ); // attempt to reuse storage |
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216 | area[0] = area[s - 1] = '\345'; // fill last byte |
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217 | prev = s; |
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218 | } // for |
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219 | free( area ); |
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220 | } // for |
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221 | |
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222 | // check malloc/resize/free (mmap) |
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223 | |
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224 | for ( i; 2 ~ NoOfAllocs ~ 12 ) { |
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225 | // initial N byte allocation |
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226 | size_t s = i + malloc_mmap_start(); // cross over point |
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227 | char * area = (char *)malloc( s ); |
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228 | area[0] = '\345'; area[s - 1] = '\345'; // fill first/penultimate byte |
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229 | |
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230 | // Do not start this loop index at 0 because resize of 0 bytes frees the storage. |
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231 | int prev = s; |
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232 | for ( r; s ~ 256 * 1024 ~ 26 ) { // start at initial memory request |
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233 | if ( area[0] != '\345' || area[prev - 1] != '\345' ) abort( "malloc/resize/free corrupt storage" ); |
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234 | area = (char *)resize( area, s ); // attempt to reuse storage |
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235 | area[0] = area[r - 1] = '\345'; // fill last byte |
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236 | prev = r; |
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237 | } // for |
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238 | free( area ); |
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239 | } // for |
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240 | |
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241 | // check malloc/realloc/free (sbrk) |
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242 | |
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243 | for ( i; 2 ~ NoOfAllocs ~ 12 ) { |
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244 | // initial N byte allocation |
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245 | char * area = (char *)malloc( i ); |
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246 | area[0] = '\345'; area[i - 1] = '\345'; // fill first/penultimate byte |
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247 | |
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248 | // Do not start this loop index at 0 because realloc of 0 bytes frees the storage. |
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249 | int prev = i; |
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250 | for ( s; i ~ 256 * 1024 ~ 26 ) { // start at initial memory request |
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251 | if ( area[0] != '\345' || area[prev - 1] != '\345' ) abort( "malloc/realloc/free corrupt storage" ); |
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252 | area = (char *)realloc( area, s ); // attempt to reuse storage |
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253 | area[s - 1] = '\345'; // fill last byte |
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254 | prev = s; |
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255 | } // for |
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256 | free( area ); |
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257 | } // for |
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258 | |
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259 | // check malloc/realloc/free (mmap) |
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260 | |
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261 | for ( i; 2 ~ NoOfAllocs ~ 12 ) { |
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262 | // initial N byte allocation |
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263 | size_t s = i + malloc_mmap_start(); // cross over point |
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264 | char * area = (char *)malloc( s ); |
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265 | area[0] = '\345'; area[s - 1] = '\345'; // fill first/penultimate byte |
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266 | |
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267 | // Do not start this loop index at 0 because realloc of 0 bytes frees the storage. |
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268 | int prev = s; |
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269 | for ( r; s ~ 256 * 1024 ~ 26 ) { // start at initial memory request |
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270 | if ( area[0] != '\345' || area[prev - 1] != '\345' ) abort( "malloc/realloc/free corrupt storage" ); |
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271 | area = (char *)realloc( area, s ); // attempt to reuse storage |
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272 | area[r - 1] = '\345'; // fill last byte |
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273 | prev = r; |
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274 | } // for |
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275 | free( area ); |
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276 | } // for |
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277 | |
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278 | // check calloc/realloc/free (sbrk) |
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279 | |
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280 | for ( i; 1 ~ 10_000 ~ 12 ) { |
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281 | // initial N byte allocation |
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282 | char * area = (char *)calloc( 5, i ); |
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283 | if ( area[0] != '\0' || area[i - 1] != '\0' || |
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284 | area[malloc_size( area ) - 1] != '\0' || |
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285 | ! malloc_zero_fill( area ) ) abort( "calloc/realloc/free corrupt storage1" ); |
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286 | |
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287 | // Do not start this loop index at 0 because realloc of 0 bytes frees the storage. |
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288 | for ( s; i ~ 256 * 1024 ~ 26 ) { // start at initial memory request |
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289 | area = (char *)realloc( area, s ); // attempt to reuse storage |
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290 | if ( area[0] != '\0' || area[s - 1] != '\0' || |
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291 | area[malloc_size( area ) - 1] != '\0' || |
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292 | ! malloc_zero_fill( area ) ) abort( "calloc/realloc/free corrupt storage2" ); |
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293 | } // for |
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294 | free( area ); |
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295 | } // for |
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296 | |
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297 | // check calloc/realloc/free (mmap) |
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298 | |
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299 | for ( i; 1 ~ 10_000 ~ 12 ) { |
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300 | // initial N byte allocation |
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301 | size_t s = i + malloc_mmap_start(); // cross over point |
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302 | char * area = (char *)calloc( 1, s ); |
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303 | if ( area[0] != '\0' || area[s - 1] != '\0' || |
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304 | area[malloc_size( area ) - 1] != '\0' || |
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305 | ! malloc_zero_fill( area ) ) abort( "calloc/realloc/free corrupt storage3" ); |
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306 | |
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307 | // Do not start this loop index at 0 because realloc of 0 bytes frees the storage. |
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308 | for ( r; i ~ 256 * 1024 ~ 26 ) { // start at initial memory request |
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309 | area = (char *)realloc( area, r ); // attempt to reuse storage |
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310 | if ( area[0] != '\0' || area[r - 1] != '\0' || |
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311 | area[malloc_size( area ) - 1] != '\0' || |
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312 | ! malloc_zero_fill( area ) ) abort( "calloc/realloc/free corrupt storage4" ); |
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313 | } // for |
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314 | free( area ); |
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315 | } // for |
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316 | |
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317 | // check memalign/realloc/free |
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318 | |
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319 | amount = 2; |
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320 | for ( a; libAlign() ~= limit ~ a ) { // generate powers of 2 |
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321 | // initial N byte allocation |
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322 | char * area = (char *)memalign( a, amount ); // aligned N-byte allocation |
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323 | //sout | alignments[a] | area; |
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324 | if ( (size_t)area % a != 0 || malloc_alignment( area ) != a ) { // check for initial alignment |
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325 | abort( "memalign/realloc/free bad alignment : memalign(%d,%d) = %p", (int)a, (int)amount, area ); |
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326 | } // if |
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327 | area[0] = '\345'; area[amount - 2] = '\345'; // fill first/penultimate byte |
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328 | |
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329 | // Do not start this loop index at 0 because realloc of 0 bytes frees the storage. |
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330 | for ( s; amount ~ 256 * 1024 ) { // start at initial memory request |
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331 | if ( area[0] != '\345' || area[s - 2] != '\345' ) abort( "memalign/realloc/free corrupt storage" ); |
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332 | area = (char *)realloc( area, s ); // attempt to reuse storage |
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333 | //sout | i | area; |
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334 | if ( (size_t)area % a != 0 ) { // check for initial alignment |
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335 | abort( "memalign/realloc/free bad alignment %p", area ); |
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336 | } // if |
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337 | area[s - 1] = '\345'; // fill last byte |
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338 | } // for |
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339 | free( area ); |
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340 | } // for |
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341 | |
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342 | // check cmemalign/free |
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343 | |
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344 | for ( a; libAlign() ~= limit ~ a ) { // generate powers of 2 |
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345 | //sout | alignments[a]; |
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346 | for ( s; 1 ~ limit ) { // allocation of size 0 can return null |
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347 | char * area = (char *)cmemalign( a, 1, s ); |
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348 | //sout | i | area; |
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349 | if ( (size_t)area % a != 0 || malloc_alignment( area ) != a ) { // check for initial alignment |
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350 | abort( "cmemalign/free bad alignment : cmemalign(%d,%d) = %p", (int)a, s, area ); |
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351 | } // if |
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352 | if ( area[0] != '\0' || area[s - 1] != '\0' || |
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353 | area[malloc_size( area ) - 1] != '\0' || |
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354 | ! malloc_zero_fill( area ) ) abort( "cmemalign/free corrupt storage" ); |
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355 | area[0] = '\345'; area[s - 1] = '\345'; // fill first/last byte |
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356 | free( area ); |
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357 | } // for |
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358 | } // for |
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359 | |
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360 | // check cmemalign/realloc/free |
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361 | |
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362 | amount = 2; |
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363 | for ( a; libAlign() ~= limit ~ a ) { // generate powers of 2 |
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364 | // initial N byte allocation |
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365 | char * area = (char *)cmemalign( a, 1, amount ); // aligned N-byte allocation |
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366 | //sout | alignments[a] | area; |
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367 | if ( (size_t)area % a != 0 || malloc_alignment( area ) != a ) { // check for initial alignment |
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368 | abort( "cmemalign/realloc/free bad alignment : cmemalign(%d,%d) = %p", (int)a, (int)amount, area ); |
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369 | } // if |
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370 | if ( area[0] != '\0' || area[amount - 1] != '\0' || |
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371 | area[malloc_size( area ) - 1] != '\0' || |
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372 | ! malloc_zero_fill( area ) ) abort( "cmemalign/realloc/free corrupt storage1" ); |
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373 | area[0] = '\345'; area[amount - 2] = '\345'; // fill first/penultimate byte |
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374 | |
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375 | // Do not start this loop index at 0 because realloc of 0 bytes frees the storage. |
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376 | for ( s; amount ~ 256 * 1024 ) { // start at initial memory request |
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377 | if ( area[0] != '\345' || area[s - 2] != '\345' ) abort( "cmemalign/realloc/free corrupt storage2" ); |
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378 | area = (char *)realloc( area, s ); // attempt to reuse storage |
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379 | //sout | i | area; |
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380 | if ( (size_t)area % a != 0 || malloc_alignment( area ) != a ) { // check for initial alignment |
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381 | abort( "cmemalign/realloc/free bad alignment %p", area ); |
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382 | } // if |
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383 | if ( area[0] != '\345' || area[s - 1] != '\0' || |
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384 | area[malloc_size( area ) - 1] != '\0' || |
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385 | ! malloc_zero_fill( area ) ) abort( "cmemalign/realloc/free corrupt storage3" ); |
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386 | area[s - 1] = '\345'; // fill last byte |
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387 | } // for |
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388 | free( area ); |
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389 | } // for |
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390 | |
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391 | // check memalign/resize with align/free |
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392 | |
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393 | amount = 2; |
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394 | for ( a; libAlign() ~= limit ~ a ) { // generate powers of 2 |
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395 | // initial N byte allocation |
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396 | char * area = (char *)memalign( a, amount ); // aligned N-byte allocation |
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397 | //sout | alignments[a] | area | endl; |
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398 | if ( (size_t)area % a != 0 || malloc_alignment( area ) != a ) { // check for initial alignment |
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399 | abort( "memalign/resize with align/free bad alignment : memalign(%d,%d) = %p", (int)a, (int)amount, area ); |
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400 | } // if |
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401 | area[0] = '\345'; area[amount - 2] = '\345'; // fill first/penultimate byte |
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402 | |
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403 | // Do not start this loop index at 0 because resize of 0 bytes frees the storage. |
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404 | for ( s; amount ~ 256 * 1024 ) { // start at initial memory request |
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405 | area = (char *)resize( area, a * 2, s ); // attempt to reuse storage |
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406 | //sout | i | area | endl; |
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407 | if ( (size_t)area % a * 2 != 0 ) { // check for initial alignment |
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408 | abort( "memalign/resize with align/free bad alignment %p", area ); |
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409 | } // if |
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410 | area[s - 1] = '\345'; // fill last byte |
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411 | } // for |
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412 | free( area ); |
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413 | } // for |
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414 | |
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415 | // check memalign/realloc with align/free |
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416 | |
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417 | amount = 2; |
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418 | for ( a; libAlign() ~= limit ~ a ) { // generate powers of 2 |
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419 | // initial N byte allocation |
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420 | char * area = (char *)memalign( a, amount ); // aligned N-byte allocation |
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421 | //sout | alignments[a] | area | endl; |
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422 | if ( (size_t)area % a != 0 || malloc_alignment( area ) != a ) { // check for initial alignment |
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423 | abort( "memalign/realloc with align/free bad alignment : memalign(%d,%d) = %p", (int)a, (int)amount, area ); |
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424 | } // if |
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425 | area[0] = '\345'; area[amount - 2] = '\345'; // fill first/penultimate byte |
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426 | |
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427 | // Do not start this loop index at 0 because realloc of 0 bytes frees the storage. |
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428 | for ( s; amount ~ 256 * 1024 ) { // start at initial memory request |
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429 | if ( area[0] != '\345' || area[s - 2] != '\345' ) abort( "memalign/realloc/free corrupt storage" ); |
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430 | area = (char *)realloc( area, a * 2, s ); // attempt to reuse storage |
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431 | //sout | i | area | endl; |
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432 | if ( (size_t)area % a * 2 != 0 ) { // check for initial alignment |
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433 | abort( "memalign/realloc with align/free bad alignment %p", area ); |
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434 | } // if |
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435 | area[s - 1] = '\345'; // fill last byte |
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436 | } // for |
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437 | free( area ); |
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438 | } // for |
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439 | |
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440 | // check cmemalign/realloc with align/free |
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441 | |
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442 | amount = 2; |
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443 | for ( size_t a = libAlign() + libAlign(); a <= limit; a += a ) { // generate powers of 2 |
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444 | // initial N byte allocation |
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445 | char * area = (char *)cmemalign( a, 1, amount ); // aligned N-byte allocation |
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446 | //sout | alignments[a] | area | endl; |
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447 | if ( (size_t)area % a != 0 || malloc_alignment( area ) != a ) { // check for initial alignment |
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448 | abort( "cmemalign/realloc with align/free bad alignment : cmemalign(%d,%d) = %p", (int)a, (int)amount, area ); |
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449 | } // if |
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450 | if ( area[0] != '\0' || area[amount - 1] != '\0' || |
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451 | area[malloc_size( area ) - 1] != '\0' || |
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452 | ! malloc_zero_fill( area ) ) abort( "cmemalign/realloc with align/free corrupt storage1" ); |
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453 | area[0] = '\345'; area[amount - 2] = '\345'; // fill first/penultimate byte |
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454 | |
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455 | // Do not start this loop index at 0 because realloc of 0 bytes frees the storage. |
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456 | for ( int s = amount; s < 256 * 1024; s += 1 ) { // start at initial memory request |
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457 | if ( area[0] != '\345' || area[s - 2] != '\345' ) abort( "cmemalign/realloc with align/free corrupt storage2" ); |
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458 | area = (char *)realloc( area, a * 2, s ); // attempt to reuse storage |
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459 | //sout | i | area | endl; |
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460 | if ( (size_t)area % a * 2 != 0 || malloc_alignment( area ) != a * 2 ) { // check for initial alignment |
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461 | abort( "cmemalign/realloc with align/free bad alignment %p %zd %zd", area, malloc_alignment( area ), a * 2 ); |
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462 | } // if |
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463 | if ( area[s - 1] != '\0' || area[s - 1] != '\0' || |
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464 | area[malloc_size( area ) - 1] != '\0' || |
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465 | ! malloc_zero_fill( area ) ) abort( "cmemalign/realloc/free corrupt storage3" ); |
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466 | area[s - 1] = '\345'; // fill last byte |
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467 | } // for |
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468 | free( area ); |
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469 | } // for |
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470 | |
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471 | //sout | "worker" | thisTask() | "successful completion"; |
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472 | } // Worker main |
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473 | |
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474 | int main() { |
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475 | enum { NoOfWorkers = 4 }; |
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476 | { |
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477 | processor processors[NoOfWorkers - 1] __attribute__(( unused )); // more than one processor |
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478 | Worker workers[NoOfWorkers] __attribute__(( unused )); |
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479 | } |
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480 | // checkFreeOn(); |
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481 | // malloc_stats(); |
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482 | printf( "done\n" ); // non-empty .expect file |
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483 | } |
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484 | |
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485 | // Local Variables: // |
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486 | // tab-width: 4 // |
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487 | // compile-command: "cfa -nodebug -O2 heap.cfa" // |
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488 | // End: // |
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