| 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 Aug 4 06:36:17 2020
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| 13 | // Update Count : 56
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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 | #define __U_DEFAULT_MMAP_START__ (512 * 1024 + 1)
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| 30 | size_t default_mmap_start() __attribute__(( weak )) {
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| 31 | return __U_DEFAULT_MMAP_START__;
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| 32 | } // default_mmap_start
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| 33 |
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| 34 | thread Worker {
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| 35 | }; // Worker
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| 36 |
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| 37 | void main( Worker & ) {
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| 38 | enum { NoOfAllocs = 5000, NoOfMmaps = 10 };
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| 39 | char * locns[NoOfAllocs];
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| 40 | size_t amount;
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| 41 | enum { limit = 64 * 1024 }; // check alignments up to here
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| 42 |
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| 43 | // check alloc/free
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| 44 |
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| 45 | for ( j; 40 ) {
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| 46 | for ( i; NoOfAllocs ) {
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| 47 | locns[i] = alloc( i );
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| 48 | //sout | (void *)locns[i];
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| 49 | for ( k; i ) locns[i][k] = '\345';
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| 50 | } // for
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| 51 | //sout | (char *)sbrk(0) - start | " bytes";
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| 52 |
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| 53 | for ( i; NoOfAllocs ) {
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| 54 | //sout | (void *)locns[i];
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| 55 | for ( k; i ) if ( locns[i][k] != '\345' ) abort( "new/delete corrupt storage1" );
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| 56 | free( locns[i] );
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| 57 | } // for
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| 58 | //sout | (char *)sbrk(0) - start | " bytes";
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| 59 |
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| 60 | for ( i; NoOfAllocs ) {
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| 61 | locns[i] = alloc( i );
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| 62 | //sout | (void *)locns[i];
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| 63 | for ( k; i ) locns[i][k] = '\345';
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| 64 | } // for
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| 65 | for ( i; NoOfAllocs - 1 -~= 0 ) {
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| 66 | //sout | (void *)locns[i];
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| 67 | for ( k; i ) if ( locns[i][k] != '\345' ) abort( "new/delete corrupt storage2" );
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| 68 | free( locns[i] );
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| 69 | } // for
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| 70 | } // for
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| 71 |
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| 72 | // check malloc/free (sbrk)
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| 73 |
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| 74 | for ( i; NoOfAllocs ) {
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| 75 | size_t s = (i + 1) * 20;
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| 76 | char * area = (char *)malloc( s );
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| 77 | area[0] = '\345'; area[s - 1] = '\345'; // fill first/last
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| 78 | area[malloc_usable_size( area ) - 1] = '\345'; // fill ultimate byte
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| 79 | free( area );
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| 80 | } // for
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| 81 |
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| 82 | for ( i; NoOfAllocs ) {
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| 83 | size_t s = i + 1; // +1 to make initialization simpler
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| 84 | locns[i] = (char *)malloc( s );
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| 85 | locns[i][0] = '\345'; locns[i][s - 1] = '\345'; // fill first/last
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| 86 | locns[i][malloc_usable_size( locns[i] ) - 1] = '\345'; // fill ultimate byte
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| 87 | } // for
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| 88 | for ( i; NoOfAllocs ) {
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| 89 | size_t s = i + 1;
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| 90 | if ( locns[i][0] != '\345' || locns[i][s - 1] != '\345' ||
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| 91 | locns[i][malloc_usable_size( locns[i] ) - 1] != '\345' ) abort( "malloc/free corrupt storage" );
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| 92 | free( locns[i] );
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| 93 | } // for
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| 94 |
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| 95 | // check malloc/free (mmap)
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| 96 |
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| 97 | for ( i; NoOfMmaps ) {
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| 98 | size_t s = i + default_mmap_start(); // cross over point
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| 99 | char * area = (char *)malloc( s );
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| 100 | area[0] = '\345'; area[s - 1] = '\345'; // fill first/last
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| 101 | area[malloc_usable_size( area ) - 1] = '\345'; // fill ultimate byte
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| 102 | free( area );
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| 103 | } // for
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| 104 |
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| 105 | for ( i; NoOfMmaps ) {
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| 106 | size_t s = i + default_mmap_start(); // cross over point
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| 107 | locns[i] = (char *)malloc( s );
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| 108 | locns[i][0] = '\345'; locns[i][s - 1] = '\345'; // fill first/last
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| 109 | locns[i][malloc_usable_size( locns[i] ) - 1] = '\345'; // fill ultimate byte
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| 110 | } // for
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| 111 | for ( i; NoOfMmaps ) {
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| 112 | size_t s = i + default_mmap_start(); // cross over point
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| 113 | if ( locns[i][0] != '\345' || locns[i][s - 1] != '\345' ||
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| 114 | locns[i][malloc_usable_size( locns[i] ) - 1] != '\345' ) abort( "malloc/free corrupt storage" );
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| 115 | free( locns[i] );
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| 116 | } // for
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| 117 |
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| 118 | // check calloc/free (sbrk)
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| 119 |
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| 120 | for ( i; NoOfAllocs ) {
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| 121 | size_t s = (i + 1) * 20;
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| 122 | char * area = (char *)calloc( 5, s );
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| 123 | if ( area[0] != '\0' || area[s - 1] != '\0' ||
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| 124 | area[malloc_size( area ) - 1] != '\0' ||
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| 125 | ! malloc_zero_fill( area ) ) abort( "calloc/free corrupt storage1" );
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| 126 | area[0] = '\345'; area[s - 1] = '\345'; // fill first/last
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| 127 | area[malloc_usable_size( area ) - 1] = '\345'; // fill ultimate byte
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| 128 | free( area );
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| 129 | } // for
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| 130 |
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| 131 | for ( i; NoOfAllocs ) {
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| 132 | size_t s = i + 1;
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| 133 | locns[i] = (char *)calloc( 5, s );
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| 134 | if ( locns[i][0] != '\0' || locns[i][s - 1] != '\0' ||
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| 135 | locns[i][malloc_size( locns[i] ) - 1] != '\0' ||
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| 136 | ! malloc_zero_fill( locns[i] ) ) abort( "calloc/free corrupt storage2" );
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| 137 | locns[i][0] = '\345'; locns[i][s - 1] = '\345'; // fill first/last
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| 138 | locns[i][malloc_usable_size( locns[i] ) - 1] = '\345'; // fill ultimate byte
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| 139 | } // for
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| 140 | for ( i; NoOfAllocs ) {
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| 141 | size_t s = i + 1;
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| 142 | if ( locns[i][0] != '\345' || locns[i][s - 1] != '\345' ||
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| 143 | locns[i][malloc_usable_size( locns[i] ) - 1] != '\345' ) abort( "calloc/free corrupt storage3" );
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| 144 | free( locns[i] );
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| 145 | } // for
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| 146 |
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| 147 | // check calloc/free (mmap)
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| 148 |
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| 149 | for ( i; NoOfMmaps ) {
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| 150 | size_t s = i + default_mmap_start(); // cross over point
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| 151 | char * area = (char *)calloc( 1, s );
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| 152 | if ( area[0] != '\0' || area[s - 1] != '\0' ) abort( "calloc/free corrupt storage4.1" );
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| 153 | if ( area[malloc_size( area ) - 1] != '\0' ) abort( "calloc/free corrupt storage4.2" );
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| 154 | if ( ! malloc_zero_fill( area ) ) abort( "calloc/free corrupt storage4.3" );
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| 155 | area[0] = '\345'; area[s - 1] = '\345'; // fill first/last
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| 156 | area[malloc_usable_size( area ) - 1] = '\345'; // fill ultimate byte
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| 157 | free( area );
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| 158 | } // for
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| 159 |
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| 160 | for ( i; NoOfMmaps ) {
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| 161 | size_t s = i + default_mmap_start(); // cross over point
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| 162 | locns[i] = (char *)calloc( 1, s );
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| 163 | if ( locns[i][0] != '\0' || locns[i][s - 1] != '\0' ||
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| 164 | locns[i][malloc_size( locns[i] ) - 1] != '\0' ||
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| 165 | ! malloc_zero_fill( locns[i] ) ) abort( "calloc/free corrupt storage5" );
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| 166 | locns[i][0] = '\345'; locns[i][s - 1] = '\345'; // fill first/last
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| 167 | locns[i][malloc_usable_size( locns[i] ) - 1] = '\345'; // fill ultimate byte
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| 168 | } // for
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| 169 | for ( i; NoOfMmaps ) {
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| 170 | size_t s = i + default_mmap_start(); // cross over point
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| 171 | if ( locns[i][0] != '\345' || locns[i][s - 1] != '\345' ||
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| 172 | locns[i][malloc_usable_size( locns[i] ) - 1] != '\345' ) abort( "calloc/free corrupt storage6" );
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| 173 | free( locns[i] );
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| 174 | } // for
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| 175 |
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| 176 | // check memalign/free (sbrk)
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| 177 |
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| 178 | for ( a; libAlign() ~= limit ~ a ) { // generate powers of 2
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| 179 | //sout | alignments[a];
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| 180 | for ( s; 1 ~ NoOfAllocs ) { // allocation of size 0 can return null
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| 181 | char * area = (char *)memalign( a, s );
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| 182 | //sout | i | area;
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| 183 | if ( (size_t)area % a != 0 || malloc_alignment( area ) != a ) { // check for initial alignment
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| 184 | abort( "memalign/free bad alignment : memalign(%d,%d) = %p", (int)a, s, area );
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| 185 | } // if
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| 186 | area[0] = '\345'; area[s - 1] = '\345'; // fill first/last byte
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| 187 | area[malloc_usable_size( area ) - 1] = '\345'; // fill ultimate byte
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| 188 | free( area );
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| 189 | } // for
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| 190 | } // for
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| 191 |
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| 192 | // check memalign/free (mmap)
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| 193 |
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| 194 | for ( a; libAlign() ~= limit ~ a ) { // generate powers of 2
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| 195 | //sout | alignments[a];
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| 196 | for ( i; 1 ~ NoOfMmaps ) {
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| 197 | size_t s = i + default_mmap_start(); // cross over point
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| 198 | char * area = (char *)memalign( a, s );
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| 199 | //sout | i | area;
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| 200 | if ( (size_t)area % a != 0 || malloc_alignment( area ) != a ) { // check for initial alignment
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| 201 | abort( "memalign/free bad alignment : memalign(%d,%d) = %p", (int)a, (int)s, area );
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| 202 | } // if
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| 203 | area[0] = '\345'; area[s - 1] = '\345'; // fill first/last byte
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| 204 | area[malloc_usable_size( area ) - 1] = '\345'; // fill ultimate byte
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| 205 | free( area );
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| 206 | } // for
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| 207 | } // for
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| 208 |
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| 209 | // check calloc/realloc/free (sbrk)
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| 210 |
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| 211 | for ( i; 1 ~ 10_000 ~ 12 ) {
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| 212 | // initial N byte allocation
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| 213 | char * area = (char *)calloc( 5, i );
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| 214 | if ( area[0] != '\0' || area[i - 1] != '\0' ||
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| 215 | area[malloc_size( area ) - 1] != '\0' ||
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| 216 | ! malloc_zero_fill( area ) ) abort( "calloc/realloc/free corrupt storage1" );
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| 217 |
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| 218 | // Do not start this loop index at 0 because realloc of 0 bytes frees the storage.
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| 219 | for ( s; i ~ 256 * 1024 ~ 26 ) { // start at initial memory request
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| 220 | area = (char *)realloc( area, s ); // attempt to reuse storage
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| 221 | if ( area[0] != '\0' || area[s - 1] != '\0' ||
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| 222 | area[malloc_size( area ) - 1] != '\0' ||
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| 223 | ! malloc_zero_fill( area ) ) abort( "calloc/realloc/free corrupt storage2" );
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| 224 | } // for
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| 225 | free( area );
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| 226 | } // for
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| 227 |
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| 228 | // check calloc/realloc/free (mmap)
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| 229 |
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| 230 | for ( i; 1 ~ 10_000 ~ 12 ) {
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| 231 | // initial N byte allocation
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| 232 | size_t s = i + default_mmap_start(); // cross over point
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| 233 | char * area = (char *)calloc( 1, s );
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| 234 | // if ( area == 0p ) abort( "calloc/realloc/free out of memory" );
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| 235 | if ( area[0] != '\0' || area[s - 1] != '\0' ||
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| 236 | area[malloc_size( area ) - 1] != '\0' ||
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| 237 | ! malloc_zero_fill( area ) ) //abort( "calloc/realloc/free corrupt storage3" );
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| 238 | printf( "C %zd %d %d %d %d\n", s, area[0] != '\0', area[s - 1] != '\0', area[malloc_size( area ) - 1] != '\0', ! malloc_zero_fill( area ) );
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| 239 |
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| 240 | // Do not start this loop index at 0 because realloc of 0 bytes frees the storage.
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| 241 | for ( r; i ~ 256 * 1024 ~ 26 ) { // start at initial memory request
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| 242 | area = (char *)realloc( area, r ); // attempt to reuse storage
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| 243 | // if ( area == 0p ) abort( "calloc/realloc/free out of memory" );
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| 244 | if ( area[0] != '\0' || area[r - 1] != '\0' ||
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| 245 | area[malloc_size( area ) - 1] != '\0' ||
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| 246 | ! malloc_zero_fill( area ) ) abort( "calloc/realloc/free corrupt storage4" );
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| 247 | } // for
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| 248 | free( area );
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| 249 | } // for
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| 250 |
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| 251 | // check memalign/realloc/free
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| 252 |
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| 253 | amount = 2;
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| 254 | for ( a; libAlign() ~= limit ~ a ) { // generate powers of 2
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| 255 | // initial N byte allocation
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| 256 | char * area = (char *)memalign( a, amount ); // aligned N-byte allocation
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| 257 | // if ( area == 0p ) abort( "memalign/realloc/free out of memory" ); // no storage ?
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| 258 | //sout | alignments[a] | area;
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| 259 | if ( (size_t)area % a != 0 || malloc_alignment( area ) != a ) { // check for initial alignment
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| 260 | abort( "memalign/realloc/free bad alignment : memalign(%d,%d) = %p", (int)a, (int)amount, area );
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| 261 | } // if
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| 262 | area[0] = '\345'; area[amount - 2] = '\345'; // fill first/penultimate byte
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| 263 |
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| 264 | // Do not start this loop index at 0 because realloc of 0 bytes frees the storage.
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| 265 | for ( s; amount ~ 256 * 1024 ) { // start at initial memory request
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| 266 | if ( area[0] != '\345' || area[s - 2] != '\345' ) abort( "memalign/realloc/free corrupt storage" );
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| 267 | area = (char *)realloc( area, s ); // attempt to reuse storage
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| 268 | //sout | i | area;
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| 269 | if ( (size_t)area % a != 0 ) { // check for initial alignment
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| 270 | abort( "memalign/realloc/free bad alignment %p", area );
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| 271 | } // if
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| 272 | area[s - 1] = '\345'; // fill last byte
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| 273 | } // for
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| 274 | free( area );
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| 275 | } // for
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| 276 |
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| 277 | // check cmemalign/free
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| 278 |
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| 279 | for ( a; libAlign() ~= limit ~ a ) { // generate powers of 2
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| 280 | //sout | alignments[a];
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| 281 | for ( s; 1 ~ limit ) { // allocation of size 0 can return null
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| 282 | char * area = (char *)cmemalign( a, 1, s );
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| 283 | //sout | i | area;
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| 284 | if ( (size_t)area % a != 0 || malloc_alignment( area ) != a ) { // check for initial alignment
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| 285 | abort( "cmemalign/free bad alignment : cmemalign(%d,%d) = %p", (int)a, s, area );
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| 286 | } // if
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| 287 | if ( area[0] != '\0' || area[s - 1] != '\0' ||
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| 288 | area[malloc_size( area ) - 1] != '\0' ||
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| 289 | ! malloc_zero_fill( area ) ) abort( "cmemalign/free corrupt storage" );
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| 290 | area[0] = '\345'; area[s - 1] = '\345'; // fill first/last byte
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| 291 | free( area );
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| 292 | } // for
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| 293 | } // for
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| 294 |
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| 295 | // check cmemalign/realloc/free
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| 296 |
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| 297 | amount = 2;
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| 298 | for ( a; libAlign() ~= limit ~ a ) { // generate powers of 2
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| 299 | // initial N byte allocation
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| 300 | char * area = (char *)cmemalign( a, 1, amount ); // aligned N-byte allocation
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| 301 | //sout | alignments[a] | area;
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| 302 | if ( (size_t)area % a != 0 || malloc_alignment( area ) != a ) { // check for initial alignment
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| 303 | abort( "cmemalign/realloc/free bad alignment : cmemalign(%d,%d) = %p", (int)a, (int)amount, area );
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| 304 | } // if
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| 305 | if ( area[0] != '\0' || area[amount - 1] != '\0' ||
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| 306 | area[malloc_size( area ) - 1] != '\0' ||
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| 307 | ! malloc_zero_fill( area ) ) abort( "cmemalign/realloc/free corrupt storage1" );
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| 308 | area[0] = '\345'; area[amount - 2] = '\345'; // fill first/penultimate byte
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| 309 |
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| 310 | // Do not start this loop index at 0 because realloc of 0 bytes frees the storage.
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| 311 | for ( s; amount ~ 256 * 1024 ) { // start at initial memory request
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| 312 | if ( area[0] != '\345' || area[s - 2] != '\345' ) abort( "cmemalign/realloc/free corrupt storage2" );
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| 313 | area = (char *)realloc( area, s ); // attempt to reuse storage
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| 314 | //sout | i | area;
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| 315 | if ( (size_t)area % a != 0 || malloc_alignment( area ) != a ) { // check for initial alignment
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| 316 | abort( "cmemalign/realloc/free bad alignment %p", area );
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| 317 | } // if
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| 318 | if ( area[0] != '\345' || area[s - 1] != '\0' ||
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| 319 | area[malloc_size( area ) - 1] != '\0' ||
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| 320 | ! malloc_zero_fill( area ) ) abort( "cmemalign/realloc/free corrupt storage3" );
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| 321 | area[s - 1] = '\345'; // fill last byte
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| 322 | } // for
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| 323 | free( area );
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| 324 | } // for
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| 325 |
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| 326 | // check memalign/realloc with align/free
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| 327 |
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| 328 | amount = 2;
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| 329 | for ( a; libAlign() ~= limit ~ a ) { // generate powers of 2
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| 330 | // initial N byte allocation
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| 331 | char * area = (char *)memalign( a, amount ); // aligned N-byte allocation
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| 332 | //sout | alignments[a] | area | endl;
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| 333 | if ( (size_t)area % a != 0 || malloc_alignment( area ) != a ) { // check for initial alignment
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| 334 | abort( "memalign/realloc with align/free bad alignment : memalign(%d,%d) = %p", (int)a, (int)amount, area );
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| 335 | } // if
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| 336 | area[0] = '\345'; area[amount - 2] = '\345'; // fill first/penultimate byte
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| 337 |
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| 338 | // Do not start this loop index at 0 because realloc of 0 bytes frees the storage.
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| 339 | for ( s; amount ~ 256 * 1024 ) { // start at initial memory request
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| 340 | if ( area[0] != '\345' || area[s - 2] != '\345' ) abort( "memalign/realloc/free corrupt storage" );
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| 341 | area = (char *)realloc( area, a * 2, s ); // attempt to reuse storage
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| 342 | //sout | i | area | endl;
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| 343 | if ( (size_t)area % a * 2 != 0 ) { // check for initial alignment
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| 344 | abort( "memalign/realloc with align/free bad alignment %p", area );
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| 345 | } // if
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| 346 | area[s - 1] = '\345'; // fill last byte
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| 347 | } // for
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| 348 | free( area );
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| 349 | } // for
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| 350 |
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| 351 | // check cmemalign/realloc with align/free
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| 352 |
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| 353 | amount = 2;
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| 354 | for ( size_t a = libAlign() + libAlign(); a <= limit; a += a ) { // generate powers of 2
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| 355 | // initial N byte allocation
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| 356 | char * area = (char *)cmemalign( a, 1, amount ); // aligned N-byte allocation
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| 357 | //sout | alignments[a] | area | endl;
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| 358 | if ( (size_t)area % a != 0 || malloc_alignment( area ) != a ) { // check for initial alignment
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| 359 | abort( "cmemalign/realloc with align/free bad alignment : cmemalign(%d,%d) = %p", (int)a, (int)amount, area );
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| 360 | } // if
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| 361 | if ( area[0] != '\0' || area[amount - 1] != '\0' ||
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| 362 | area[malloc_size( area ) - 1] != '\0' ||
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| 363 | ! malloc_zero_fill( area ) ) abort( "cmemalign/realloc with align/free corrupt storage1" );
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| 364 | area[0] = '\345'; area[amount - 2] = '\345'; // fill first/penultimate byte
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| 365 |
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| 366 | // Do not start this loop index at 0 because realloc of 0 bytes frees the storage.
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| 367 | for ( int s = amount; s < 256 * 1024; s += 1 ) { // start at initial memory request
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| 368 | if ( area[0] != '\345' || area[s - 2] != '\345' ) abort( "cmemalign/realloc with align/free corrupt storage2" );
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| 369 | area = (char *)realloc( area, a * 2, s ); // attempt to reuse storage
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| 370 | //sout | i | area | endl;
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| 371 | if ( (size_t)area % a * 2 != 0 || malloc_alignment( area ) != a * 2 ) { // check for initial alignment
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| 372 | abort( "cmemalign/realloc with align/free bad alignment %p %zd %zd", area, malloc_alignment( area ), a * 2 );
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| 373 | } // if
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| 374 | if ( area[s - 1] != '\0' || area[s - 1] != '\0' ||
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| 375 | area[malloc_size( area ) - 1] != '\0' ||
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| 376 | ! malloc_zero_fill( area ) ) abort( "cmemalign/realloc/free corrupt storage3" );
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| 377 | area[s - 1] = '\345'; // fill last byte
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| 378 | } // for
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| 379 | free( area );
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| 380 | } // for
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| 381 |
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| 382 | //sout | "worker" | thisTask() | "successful completion";
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| 383 | } // Worker main
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| 384 |
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| 385 | int main() {
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| 386 | const unsigned int NoOfWorkers = 4;
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| 387 | {
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| 388 | processor processors[NoOfWorkers - 1] __attribute__(( unused )); // more than one processor
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| 389 | Worker workers[NoOfWorkers] __attribute__(( unused ));
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| 390 | }
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| 391 | // checkFreeOn();
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| 392 | // malloc_stats();
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| 393 | }
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| 394 |
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| 395 | // Local Variables: //
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| 396 | // tab-width: 4 //
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| 397 | // compile-command: "cfa -nodebug -O2 heap.cfa" //
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| 398 | // End: //
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