| [73abe95] | 1 | #include <thread.hfa> | 
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|  | 2 | #include <kernel.hfa>                                                                           // processor | 
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|  | 3 | #include <stdlib.hfa>                                                                           // *allocs | 
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| [5d4fa18] | 4 | #include <malloc.h>                                                                             // malloc_* | 
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|  | 5 |  | 
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| [73abe95] | 6 | // #include <time.hfa> | 
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| [5d4fa18] | 7 | // #define __CFA_DEFAULT_PREEMPTION__ 1000`us | 
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|  | 8 | // //#define __CFA_DEFAULT_PREEMPTION__ 0 | 
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|  | 9 |  | 
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|  | 10 | // Duration default_preemption() { | 
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|  | 11 | //      return __CFA_DEFAULT_PREEMPTION__; | 
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|  | 12 | // } | 
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|  | 13 |  | 
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|  | 14 | #define __U_DEFAULT_MMAP_START__ (512 * 1024 + 1) | 
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|  | 15 | size_t default_mmap_start() __attribute__(( weak )) { | 
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|  | 16 | return __U_DEFAULT_MMAP_START__; | 
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|  | 17 | } // default_mmap_start | 
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|  | 18 |  | 
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|  | 19 | thread Worker { | 
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|  | 20 | }; // Worker | 
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|  | 21 |  | 
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|  | 22 | void main( Worker & ) { | 
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|  | 23 | enum { NoOfAllocs = 5000, NoOfMmaps = 10 }; | 
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|  | 24 | char *locns[NoOfAllocs]; | 
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|  | 25 | int i; | 
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|  | 26 |  | 
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|  | 27 | // check alloc/free | 
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|  | 28 |  | 
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|  | 29 | for ( int j = 0; j < 40; j += 1 ) { | 
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|  | 30 | for ( i = 0; i < NoOfAllocs; i += 1 ) { | 
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|  | 31 | locns[i] = alloc( i ); | 
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|  | 32 | //sout | (void *)locns[i] | endl; | 
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|  | 33 | for ( int k = 0; k < i; k += 1 ) locns[i][k] = '\345'; | 
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|  | 34 | } // for | 
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|  | 35 | //sout | (char *)sbrk(0) - start | " bytes" | endl; | 
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|  | 36 |  | 
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|  | 37 | for ( i = 0; i < NoOfAllocs; i += 1 ) { | 
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|  | 38 | //sout | (void *)locns[i] | endl; | 
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|  | 39 | for ( int k = 0; k < i; k += 1 ) if ( locns[i][k] != '\345' ) abort( "new/delete corrupt storage1" ); | 
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|  | 40 | free( locns[i] ); | 
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|  | 41 | } // for | 
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|  | 42 | //sout | (char *)sbrk(0) - start | " bytes" | endl; | 
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|  | 43 |  | 
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|  | 44 | for ( i = 0; i < NoOfAllocs; i += 1 ) { | 
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|  | 45 | locns[i] = alloc( i ); | 
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|  | 46 | //sout | (void *)locns[i] | endl; | 
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|  | 47 | for ( int k = 0; k < i; k += 1 ) locns[i][k] = '\345'; | 
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|  | 48 | } // for | 
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|  | 49 | for ( i = NoOfAllocs - 1; i >=0 ; i -= 1 ) { | 
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|  | 50 | //sout | (void *)locns[i] | endl; | 
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|  | 51 | for ( int k = 0; k < i; k += 1 ) if ( locns[i][k] != '\345' ) abort( "new/delete corrupt storage2" ); | 
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|  | 52 | free( locns[i] ); | 
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|  | 53 | } // for | 
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|  | 54 | } // for | 
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|  | 55 |  | 
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|  | 56 | // check malloc/free (sbrk) | 
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|  | 57 |  | 
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|  | 58 | for ( i = 0; i < NoOfAllocs; i += 1 ) { | 
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|  | 59 | size_t s = (i + 1) * 20; | 
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|  | 60 | char *area = (char *)malloc( s ); | 
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|  | 61 | if ( area == 0 ) abort( "malloc/free out of memory" ); | 
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|  | 62 | area[0] = '\345'; area[s - 1] = '\345';                 // fill first/last | 
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|  | 63 | area[malloc_usable_size( area ) - 1] = '\345';  // fill ultimate byte | 
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|  | 64 | free( area ); | 
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|  | 65 | } // for | 
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|  | 66 |  | 
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|  | 67 | for ( i = 0; i < NoOfAllocs; i += 1 ) { | 
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|  | 68 | size_t s = i + 1;                               // +1 to make initialization simpler | 
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|  | 69 | locns[i] = (char *)malloc( s ); | 
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|  | 70 | if ( locns[i] == 0 ) abort( "malloc/free out of memory" ); | 
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|  | 71 | locns[i][0] = '\345'; locns[i][s - 1] = '\345'; // fill first/last | 
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|  | 72 | locns[i][malloc_usable_size( locns[i] ) - 1] = '\345'; // fill ultimate byte | 
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|  | 73 | } // for | 
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|  | 74 | for ( i = 0; i < NoOfAllocs; i += 1 ) { | 
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|  | 75 | size_t s = i + 1; | 
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|  | 76 | if ( locns[i][0] != '\345' || locns[i][s - 1] != '\345' || | 
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|  | 77 | locns[i][malloc_usable_size( locns[i] ) - 1] != '\345' ) abort( "malloc/free corrupt storage" ); | 
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|  | 78 | free( locns[i] ); | 
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|  | 79 | } // for | 
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|  | 80 |  | 
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|  | 81 | // check malloc/free (mmap) | 
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|  | 82 |  | 
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|  | 83 | for ( i = 0; i < NoOfMmaps; i += 1 ) { | 
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|  | 84 | size_t s = i + default_mmap_start();                            // cross over point | 
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|  | 85 | char *area = (char *)malloc( s ); | 
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|  | 86 | if ( area == 0 ) abort( "malloc/free out of memory" ); | 
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|  | 87 | area[0] = '\345'; area[s - 1] = '\345';                 // fill first/last | 
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|  | 88 | area[malloc_usable_size( area ) - 1] = '\345';  // fill ultimate byte | 
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|  | 89 | free( area ); | 
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|  | 90 | } // for | 
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|  | 91 |  | 
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|  | 92 | for ( i = 0; i < NoOfMmaps; i += 1 ) { | 
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|  | 93 | size_t s = i + default_mmap_start();                            // cross over point | 
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|  | 94 | locns[i] = (char *)malloc( s ); | 
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|  | 95 | if ( locns[i] == 0 ) abort( "malloc/free out of memory" ); | 
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|  | 96 | locns[i][0] = '\345'; locns[i][s - 1] = '\345'; // fill first/last | 
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|  | 97 | locns[i][malloc_usable_size( locns[i] ) - 1] = '\345'; // fill ultimate byte | 
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|  | 98 | } // for | 
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|  | 99 | for ( i = 0; i < NoOfMmaps; i += 1 ) { | 
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|  | 100 | size_t s = i + default_mmap_start();                            // cross over point | 
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|  | 101 | if ( locns[i][0] != '\345' || locns[i][s - 1] != '\345' || | 
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|  | 102 | locns[i][malloc_usable_size( locns[i] ) - 1] != '\345' ) abort( "malloc/free corrupt storage" ); | 
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|  | 103 | free( locns[i] ); | 
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|  | 104 | } // for | 
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|  | 105 |  | 
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|  | 106 | // check calloc/free (sbrk) | 
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|  | 107 |  | 
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|  | 108 | for ( i = 0; i < NoOfAllocs; i += 1 ) { | 
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|  | 109 | size_t s = (i + 1) * 20; | 
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|  | 110 | char *area = (char *)calloc( 5, s ); | 
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|  | 111 | if ( area == 0 ) abort( "calloc/free out of memory" ); | 
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|  | 112 | if ( area[0] != '\0' || area[s - 1] != '\0' || | 
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|  | 113 | area[malloc_usable_size( area ) - 1] != '\0' || | 
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|  | 114 | ! malloc_zero_fill( area ) ) abort( "calloc/free corrupt storage1" ); | 
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|  | 115 | area[0] = '\345'; area[s - 1] = '\345';                 // fill first/last | 
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|  | 116 | area[malloc_usable_size( area ) - 1] = '\345';  // fill ultimate byte | 
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|  | 117 | free( area ); | 
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|  | 118 | } // for | 
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|  | 119 |  | 
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|  | 120 | for ( i = 0; i < NoOfAllocs; i += 1 ) { | 
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|  | 121 | size_t s = i + 1; | 
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|  | 122 | locns[i] = (char *)calloc( 5, s ); | 
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|  | 123 | if ( locns[i] == 0 ) abort( "calloc/free out of memory" ); | 
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|  | 124 | if ( locns[i][0] != '\0' || locns[i][s - 1] != '\0' || | 
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|  | 125 | locns[i][malloc_usable_size( locns[i] ) - 1] != '\0' || | 
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|  | 126 | ! malloc_zero_fill( locns[i] ) ) abort( "calloc/free corrupt storage2" ); | 
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|  | 127 | locns[i][0] = '\345'; locns[i][s - 1] = '\345'; // fill first/last | 
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|  | 128 | locns[i][malloc_usable_size( locns[i] ) - 1] = '\345'; // fill ultimate byte | 
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|  | 129 | } // for | 
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|  | 130 | for ( i = 0; i < NoOfAllocs; i += 1 ) { | 
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|  | 131 | size_t s = i + 1; | 
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|  | 132 | if ( locns[i][0] != '\345' || locns[i][s - 1] != '\345' || | 
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|  | 133 | locns[i][malloc_usable_size( locns[i] ) - 1] != '\345' ) abort( "calloc/free corrupt storage3" ); | 
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|  | 134 | free( locns[i] ); | 
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|  | 135 | } // for | 
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|  | 136 |  | 
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|  | 137 | // check calloc/free (mmap) | 
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|  | 138 |  | 
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|  | 139 | for ( i = 0; i < NoOfMmaps; i += 1 ) { | 
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|  | 140 | size_t s = i + default_mmap_start();                            // cross over point | 
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|  | 141 | char *area = (char *)calloc( 1, s ); | 
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|  | 142 | if ( area == 0 ) abort( "calloc/free out of memory" ); | 
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|  | 143 | if ( area[0] != '\0' || area[s - 1] != '\0' ) abort( "calloc/free corrupt storage4.1" ); | 
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|  | 144 | if ( area[malloc_usable_size( area ) - 1] != '\0' ) abort( "calloc/free corrupt storage4.2" ); | 
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|  | 145 | if ( ! malloc_zero_fill( area ) ) abort( "calloc/free corrupt storage4.3" ); | 
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|  | 146 | area[0] = '\345'; area[s - 1] = '\345';                 // fill first/last | 
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|  | 147 | area[malloc_usable_size( area ) - 1] = '\345';  // fill ultimate byte | 
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|  | 148 | free( area ); | 
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|  | 149 | } // for | 
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|  | 150 |  | 
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|  | 151 | for ( i = 0; i < NoOfMmaps; i += 1 ) { | 
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|  | 152 | size_t s = i + default_mmap_start();                            // cross over point | 
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|  | 153 | locns[i] = (char *)calloc( 1, s ); | 
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|  | 154 | if ( locns[i] == 0 ) abort( "calloc/free out of memory" ); | 
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|  | 155 | if ( locns[i][0] != '\0' || locns[i][s - 1] != '\0' || | 
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|  | 156 | locns[i][malloc_usable_size( locns[i] ) - 1] != '\0' || | 
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|  | 157 | ! malloc_zero_fill( locns[i] ) ) abort( "calloc/free corrupt storage5" ); | 
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|  | 158 | locns[i][0] = '\345'; locns[i][s - 1] = '\345'; // fill first/last | 
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|  | 159 | locns[i][malloc_usable_size( locns[i] ) - 1] = '\345'; // fill ultimate byte | 
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|  | 160 | } // for | 
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|  | 161 | for ( i = 0; i < NoOfMmaps; i += 1 ) { | 
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|  | 162 | size_t s = i + default_mmap_start();                            // cross over point | 
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|  | 163 | if ( locns[i][0] != '\345' || locns[i][s - 1] != '\345' || | 
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|  | 164 | locns[i][malloc_usable_size( locns[i] ) - 1] != '\345' ) abort( "calloc/free corrupt storage6" ); | 
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|  | 165 | free( locns[i] ); | 
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|  | 166 | } // for | 
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|  | 167 |  | 
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|  | 168 | // check memalign/free (sbrk) | 
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|  | 169 |  | 
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|  | 170 | enum { limit = 64 * 1024 };                                                 // check alignments up to here | 
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|  | 171 |  | 
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|  | 172 | for ( size_t a = libAlign(); a <= limit; a += a ) { // generate powers of 2 | 
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|  | 173 | //sout | alignments[a] | endl; | 
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|  | 174 | for ( int s = 1; s < NoOfAllocs; s += 1 ) {             // allocation of size 0 can return null | 
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|  | 175 | char *area = (char *)memalign( a, s ); | 
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|  | 176 | if ( area == 0 ) abort( "memalign/free out of memory" ); | 
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|  | 177 | //sout | i | " " | area | endl; | 
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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 ( size_t a = libAlign(); a <= limit; a += a ) { // generate powers of 2 | 
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|  | 190 | //sout | alignments[a] | endl; | 
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|  | 191 | for ( i = 1; i < NoOfMmaps; i += 1 ) { | 
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|  | 192 | size_t s = i + default_mmap_start();                    // cross over point | 
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|  | 193 | char *area = (char *)memalign( a, s ); | 
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|  | 194 | if ( area == 0 ) abort( "memalign/free out of memory" ); | 
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|  | 195 | //sout | i | " " | area | endl; | 
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|  | 196 | if ( (size_t)area % a != 0 || malloc_alignment( area ) != a ) { // check for initial alignment | 
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|  | 197 | abort( "memalign/free bad alignment : memalign(%d,%d) = %p", (int)a, (int)s, area ); | 
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|  | 198 | } // if | 
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|  | 199 | area[0] = '\345'; area[s - 1] = '\345';         // fill first/last byte | 
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|  | 200 | area[malloc_usable_size( area ) - 1] = '\345'; // fill ultimate byte | 
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|  | 201 | free( area ); | 
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|  | 202 | } // for | 
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|  | 203 | } // for | 
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|  | 204 |  | 
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|  | 205 | // check calloc/realloc/free (sbrk) | 
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|  | 206 |  | 
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|  | 207 | for ( i = 1; i < 10000; i += 12 ) { | 
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|  | 208 | // initial N byte allocation | 
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|  | 209 | char *area = (char *)calloc( 5, i ); | 
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|  | 210 | if ( area == 0 ) abort( "calloc/realloc/free out of memory" ); | 
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|  | 211 | if ( area[0] != '\0' || area[i - 1] != '\0' || | 
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|  | 212 | area[malloc_usable_size( area ) - 1] != '\0' || | 
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|  | 213 | ! malloc_zero_fill( area ) ) abort( "calloc/realloc/free corrupt storage1" ); | 
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|  | 214 |  | 
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|  | 215 | // Do not start this loop index at 0 because realloc of 0 bytes frees the storage. | 
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|  | 216 | for ( int s = i; s < 256 * 1024; s += 26 ) {    // start at initial memory request | 
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|  | 217 | area = (char *)realloc( area, s );                      // attempt to reuse storage | 
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|  | 218 | if ( area == 0 ) abort( "calloc/realloc/free out of memory" ); | 
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|  | 219 | if ( area[0] != '\0' || area[s - 1] != '\0' || | 
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|  | 220 | area[malloc_usable_size( area ) - 1] != '\0' || | 
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|  | 221 | ! malloc_zero_fill( area ) ) abort( "calloc/realloc/free corrupt storage2" ); | 
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|  | 222 | } // for | 
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|  | 223 | free( area ); | 
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|  | 224 | } // for | 
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|  | 225 |  | 
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|  | 226 | // check calloc/realloc/free (mmap) | 
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|  | 227 |  | 
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|  | 228 | for ( i = 1; i < 1000; i += 12 ) { | 
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|  | 229 | // initial N byte allocation | 
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|  | 230 | size_t s = i + default_mmap_start();                            // cross over point | 
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|  | 231 | char *area = (char *)calloc( 1, s ); | 
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|  | 232 | if ( area == 0 ) abort( "calloc/realloc/free out of memory" ); | 
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|  | 233 | if ( area[0] != '\0' || area[s - 1] != '\0' || | 
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|  | 234 | area[malloc_usable_size( area ) - 1] != '\0' || | 
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|  | 235 | ! malloc_zero_fill( area ) ) abort( "calloc/realloc/free corrupt storage1" ); | 
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|  | 236 |  | 
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|  | 237 | // Do not start this loop index at 0 because realloc of 0 bytes frees the storage. | 
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|  | 238 | for ( int r = i; r < 256 * 1024; r += 26 ) {    // start at initial memory request | 
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|  | 239 | area = (char *)realloc( area, r );              // attempt to reuse storage | 
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|  | 240 | if ( area == 0 ) abort( "calloc/realloc/free out of memory" ); | 
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|  | 241 | if ( area[0] != '\0' || area[r - 1] != '\0' || | 
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|  | 242 | area[malloc_usable_size( area ) - 1] != '\0' || | 
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|  | 243 | ! malloc_zero_fill( area ) ) abort( "calloc/realloc/free corrupt storage2" ); | 
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|  | 244 | } // for | 
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|  | 245 | free( area ); | 
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|  | 246 | } // for | 
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|  | 247 |  | 
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|  | 248 | // check memalign/realloc/free | 
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|  | 249 |  | 
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|  | 250 | size_t amount = 2; | 
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|  | 251 | for ( size_t a = libAlign(); a <= limit; a += a ) { // generate powers of 2 | 
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|  | 252 | // initial N byte allocation | 
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|  | 253 | char *area = (char *)memalign( a, amount );             // aligned N-byte allocation | 
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|  | 254 | if ( area == 0 ) abort( "memalign/realloc/free out of memory" ); // no storage ? | 
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|  | 255 | //sout | alignments[a] | " " | area | endl; | 
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|  | 256 | if ( (size_t)area % a != 0 || malloc_alignment( area ) != a ) { // check for initial alignment | 
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|  | 257 | abort( "memalign/realloc/free bad alignment : memalign(%d,%d) = %p", (int)a, (int)amount, area ); | 
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|  | 258 | } // if | 
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|  | 259 | area[0] = '\345'; area[amount - 2] = '\345';    // fill first/penultimate byte | 
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|  | 260 |  | 
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|  | 261 | // Do not start this loop index at 0 because realloc of 0 bytes frees the storage. | 
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|  | 262 | for ( int s = amount; s < 256 * 1024; s += 1 ) { // start at initial memory request | 
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|  | 263 | if ( area[0] != '\345' || area[s - 2] != '\345' ) abort( "memalign/realloc/free corrupt storage" ); | 
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|  | 264 | area = (char *)realloc( area, s );                      // attempt to reuse storage | 
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|  | 265 | if ( area == 0 ) abort( "memalign/realloc/free out of memory" ); // no storage ? | 
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|  | 266 | //sout | i | " " | area | endl; | 
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|  | 267 | if ( (size_t)area % a != 0 ) {                          // check for initial alignment | 
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|  | 268 | abort( "memalign/realloc/free bad alignment %p", area ); | 
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|  | 269 | } // if | 
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|  | 270 | area[s - 1] = '\345';                                           // fill last byte | 
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|  | 271 | } // for | 
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|  | 272 | free( area ); | 
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|  | 273 | } // for | 
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|  | 274 |  | 
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|  | 275 | // check cmemalign/free | 
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|  | 276 |  | 
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|  | 277 | for ( size_t a = libAlign(); a <= limit; a += a ) { // generate powers of 2 | 
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|  | 278 | //sout | alignments[a] | endl; | 
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|  | 279 | for ( int s = 1; s < limit; s += 1 ) {                  // allocation of size 0 can return null | 
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|  | 280 | char *area = (char *)cmemalign( a, 1, s ); | 
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|  | 281 | if ( area == 0 ) abort( "cmemalign/free out of memory" ); | 
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|  | 282 | //sout | i | " " | area | endl; | 
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|  | 283 | if ( (size_t)area % a != 0 || malloc_alignment( area ) != a ) { // check for initial alignment | 
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|  | 284 | abort( "cmemalign/free bad alignment : cmemalign(%d,%d) = %p", (int)a, s, area ); | 
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|  | 285 | } // if | 
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|  | 286 | if ( area[0] != '\0' || area[s - 1] != '\0' || | 
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|  | 287 | area[malloc_usable_size( area ) - 1] != '\0' || | 
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|  | 288 | ! malloc_zero_fill( area ) ) abort( "cmemalign/free corrupt storage" ); | 
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|  | 289 | area[0] = '\345'; area[s - 1] = '\345';         // fill first/last byte | 
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|  | 290 | free( area ); | 
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|  | 291 | } // for | 
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|  | 292 | } // for | 
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|  | 293 |  | 
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|  | 294 | // check cmemalign/realloc/free | 
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|  | 295 |  | 
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|  | 296 | amount = 2; | 
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|  | 297 | for ( size_t a = libAlign() + libAlign(); a <= limit; a += a ) { // generate powers of 2 | 
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|  | 298 | // initial N byte allocation | 
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|  | 299 | char *area = (char *)cmemalign( a, 1, amount ); // aligned N-byte allocation | 
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|  | 300 | if ( area == 0 ) abort( "cmemalign/realloc/free out of memory" ); // no storage ? | 
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|  | 301 | //sout | alignments[a] | " " | area | endl; | 
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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_usable_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 ( int s = amount; s < 256 * 1024; s += 1 ) { // 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 | if ( area == 0 ) abort( "cmemalign/realloc/free out of memory" ); // no storage ? | 
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|  | 315 | //sout | i | " " | area | endl; | 
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|  | 316 | if ( (size_t)area % a != 0 || malloc_alignment( area ) != a ) { // check for initial alignment | 
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|  | 317 | abort( "cmemalign/realloc/free bad alignment %p", area ); | 
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|  | 318 | } // if | 
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|  | 319 | if ( area[s - 1] != '\0' || area[s - 1] != '\0' || | 
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|  | 320 | area[malloc_usable_size( area ) - 1] != '\0' || | 
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|  | 321 | ! malloc_zero_fill( area ) ) abort( "cmemalign/realloc/free corrupt storage3" ); | 
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|  | 322 | area[s - 1] = '\345';                                           // fill last byte | 
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|  | 323 | } // for | 
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|  | 324 | free( area ); | 
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|  | 325 | } // for | 
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|  | 326 | //sout | "worker" | thisTask() | "successful completion" | endl; | 
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|  | 327 | } // Worker main | 
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|  | 328 |  | 
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|  | 329 | int main() { | 
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|  | 330 | const unsigned int NoOfWorkers = 4; | 
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|  | 331 | { | 
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|  | 332 | processor processors[NoOfWorkers - 1] __attribute__(( unused )); // more than one processor | 
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|  | 333 | Worker workers[NoOfWorkers] __attribute__(( unused )); | 
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|  | 334 | } | 
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|  | 335 | // checkFreeOn(); | 
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|  | 336 | // malloc_stats(); | 
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|  | 337 | } | 
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|  | 338 |  | 
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|  | 339 | // Local Variables: // | 
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|  | 340 | // tab-width: 4 // | 
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|  | 341 | // compile-command: "cfa -nodebug -O2 heap.c" // | 
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|  | 342 | // End: // | 
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