[2dd068] | 1 | /* emacs edit mode for this file is -*- C -*- */ |
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[341696] | 2 | /* $Id$ */ |
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[2dd068] | 3 | |
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| 4 | #define _POSIX_SOURCE 1 |
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| 5 | |
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[9d7aaa] | 6 | #include <config.h> |
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| 7 | |
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[2dd068] | 8 | #include <string.h> |
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| 9 | #include <stdio.h> |
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| 10 | #include <stdlib.h> |
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[9d7aaa] | 11 | |
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[2dd068] | 12 | #include "memman.h" |
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| 13 | #include "mmprivate.h" |
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| 14 | |
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| 15 | void |
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| 16 | mmMark( void ) |
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| 17 | { |
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| 18 | if ( mm_status != MM_NORMAL ) |
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| 19 | fprintf( stderr, "can only mark memory in status normal" ); |
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| 20 | else { |
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| 21 | mm_status = MM_TMP; |
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| 22 | mm_normList = mm_theList; |
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| 23 | mm_theList = mm_tmpList; |
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| 24 | mm_bytesNorm = mm_bytesUsed; |
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| 25 | mm_bytesUsed = 0; |
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| 26 | #ifdef MDEBUG |
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| 27 | mm_normDBused = mm_theDBused; |
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| 28 | mm_normDBfree = mm_theDBfree; |
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| 29 | memset(&mm_theDBused,0,sizeof(mm_theDBused)); |
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| 30 | memset(&mm_theDBfree,0,sizeof(mm_theDBfree)); |
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| 31 | #endif /* MDEBUG */ |
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| 32 | mmMarkHeap(); mmMarkBlocks(); |
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| 33 | } |
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| 34 | } |
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| 35 | |
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| 36 | void |
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| 37 | mmSweep( void ) |
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| 38 | { |
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| 39 | int i; |
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| 40 | |
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| 41 | if ( mm_status != MM_TMP ) |
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| 42 | fprintf( stderr, "can only sweep memory in status tmp" ); |
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| 43 | else { |
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| 44 | mm_status = MM_NORMAL; |
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| 45 | mm_theList = mm_normList; |
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| 46 | mm_bytesUsed = mm_bytesNorm; |
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| 47 | for ( i = 0; i < MAXLIST; i++ ) |
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| 48 | mm_tmpList[i] = NULL; |
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| 49 | #ifdef MDEBUG |
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| 50 | mm_theDBused = mm_normDBused; |
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| 51 | mm_theDBfree = mm_normDBfree; |
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| 52 | #endif /* MDEBUG */ |
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| 53 | mmSweepHeap(); mmSweepBlocks(); |
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| 54 | } |
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| 55 | } |
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| 56 | |
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| 57 | void |
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| 58 | mmSwitch( void ) |
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| 59 | { |
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| 60 | if ( mm_status == MM_NORMAL ) |
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| 61 | fprintf( stderr, "can not switch from state normal" ); |
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| 62 | else { |
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| 63 | if ( mm_status == MM_SWITCHED ) { |
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| 64 | mm_normList = mm_theList; |
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| 65 | mm_theList = mm_tmpList; |
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| 66 | mm_status = MM_TMP; |
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| 67 | mm_bytesNorm = mm_bytesUsed; |
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| 68 | mm_bytesUsed = mm_bytesTmp; |
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| 69 | #ifdef MDEBUG |
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| 70 | mm_normDBfree = mm_theDBfree; |
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| 71 | mm_normDBused = mm_theDBused; |
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| 72 | mm_theDBfree = mm_tmpDBfree; |
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| 73 | mm_theDBused = mm_tmpDBused; |
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| 74 | #endif /* MDEBUG */ |
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| 75 | } |
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| 76 | else { |
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| 77 | mm_tmpList = mm_theList; |
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| 78 | mm_theList = mm_normList; |
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| 79 | mm_status = MM_SWITCHED; |
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| 80 | mm_bytesTmp = mm_bytesUsed; |
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| 81 | mm_bytesUsed = mm_bytesNorm; |
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| 82 | #ifdef MDEBUG |
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| 83 | mm_tmpDBfree = mm_theDBfree; |
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| 84 | mm_tmpDBused = mm_theDBused; |
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| 85 | mm_theDBfree = mm_normDBfree; |
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| 86 | mm_theDBused = mm_normDBused; |
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| 87 | #endif /* MDEBUG */ |
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| 88 | } |
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| 89 | mmSwitchHeap(); mmSwitchBlocks(); |
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| 90 | } |
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| 91 | } |
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| 92 | |
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| 93 | #ifndef MDEBUG |
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| 94 | char * |
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| 95 | mmStrdup( char * s ) |
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| 96 | { |
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| 97 | char * rc; |
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| 98 | if (s==NULL) return NULL; |
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| 99 | rc = (char*)mmAlloc( 1 + strlen( s ) ); |
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| 100 | strcpy( rc, s ); |
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| 101 | return rc; |
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| 102 | } |
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| 103 | #else |
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| 104 | char * |
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| 105 | mmDBStrdup( char * s, char *fname, int lineno) |
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| 106 | { |
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| 107 | char * rc; |
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| 108 | if (s==NULL) return NULL; |
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| 109 | rc = (char*)mmDBAlloc( 1 + strlen( s ),fname,lineno ); |
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| 110 | strcpy( rc, s ); |
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| 111 | return rc; |
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| 112 | } |
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| 113 | #endif |
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| 114 | |
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| 115 | int |
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| 116 | mmMemReal( void ) |
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| 117 | { |
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| 118 | return mm_bytesReal; |
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| 119 | } |
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| 120 | |
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| 121 | int |
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| 122 | mmMemUsed( void ) |
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| 123 | { |
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| 124 | if ( mm_status == MM_TMP ) |
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| 125 | return mm_bytesUsed + mm_bytesNorm; |
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| 126 | else if ( mm_status == MM_SWITCHED ) |
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| 127 | return mm_bytesUsed + mm_bytesTmp; |
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| 128 | else |
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| 129 | return mm_bytesUsed; |
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| 130 | } |
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| 131 | |
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| 132 | int mmOLdPrintMark=0; |
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| 133 | |
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| 134 | void |
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| 135 | mmCheckPrint( void ) |
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| 136 | { |
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| 137 | if ( mm_bytesReal > mm_printMark ) { |
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| 138 | int i=(mm_bytesReal+1023)/1024; |
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| 139 | if (i!=mmOLdPrintMark) { |
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| 140 | fprintf( stdout, "[%dk]", i ); |
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| 141 | fflush( stdout ); |
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| 142 | mmOLdPrintMark=i; |
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| 143 | } |
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| 144 | mmNewPrintMark(); |
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| 145 | } |
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| 146 | } |
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| 147 | |
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| 148 | void |
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| 149 | mmNewPrintMark( void ) |
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| 150 | { |
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| 151 | mm_printMark = (mm_bytesReal / (100*1024) + 1) * 1024 * 100; |
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| 152 | } |
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