345 lines
7.3 KiB
C
345 lines
7.3 KiB
C
/***
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*heapdump.c - Output the heap data bases
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*
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* Copyright (c) 1989-2001, Microsoft Corporation. All rights reserved.
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*
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*Purpose:
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* Display the heap data bases.
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*
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* NOTE: This module is NOT released with the C libs. It is for
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* debugging purposes only.
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*
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*Revision History:
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* 06-28-89 JCR Module created.
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* 07-18-89 JCR Added _heap_print_regions() routine
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* 11-13-89 GJF Added MTHREAD support, also fixed copyright
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* 12-13-89 GJF Changed name of include file to heap.h
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* 12-19-89 GJF Removed references to plastdesc
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* 03-11-90 GJF Made the calling type _CALLTYPE1 and added #include
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* <cruntime.h>.
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* 04-06-93 SKS Replace _CRTAPI* with __cdecl
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* 09-06-94 CFW Replace MTHREAD with _MT.
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* 02-14-95 GJF Appended Mac version of source file (somewhat cleaned
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* up), with appropriate #ifdef-s.
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* 04-30-95 GJF Made conditional on WINHEAP.
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* 05-17-99 PML Remove all Macintosh support.
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*
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*******************************************************************************/
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#ifndef WINHEAP
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#include <cruntime.h>
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#include <heap.h>
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#include <malloc.h>
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#include <mtdll.h>
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#include <stdio.h>
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#ifdef DEBUG
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/***
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*_heap_print_all - Print the whole heap
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*
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*Purpose:
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*
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*Entry:
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* <void>
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*
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*Exit:
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* <void>
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*
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*Exceptions:
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*
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*******************************************************************************/
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void __cdecl _heap_print_all(void)
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{
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/* lock the heap
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*/
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_mlock(_HEAP_LOCK);
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_heap_print_regions_lk();
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_heap_print_desc_lk();
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_heap_print_emptylist_lk();
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_heap_print_heaplist_lk();
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/* release the heap lock
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*/
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_munlock(_HEAP_LOCK);
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}
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/***
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*_heap_print_regions - Print the heap region table
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*
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*Purpose:
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*
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*Entry:
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* <void>
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*
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*Exit:
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* <void>
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*
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*Exceptions:
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*
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*******************************************************************************/
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#ifdef _MT
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void __cdecl _heap_print_regions(void)
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{
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/* lock the heap
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*/
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_mlock(_HEAP_LOCK);
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_heap_print_regions_lk();
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/* release the heap lock
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*/
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_munlock(_HEAP_LOCK);
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}
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void __cdecl _heap_print_regions_lk(void)
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#else /* ndef _MT */
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void __cdecl _heap_print_regions(void)
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#endif /* _MT */
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{
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int i;
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printf("\n--- Heap Regions ---\n\n");
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printf("\t_heap_growsize (_amblksiz) = \t%x\n", _heap_growsize);
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printf("\t_heap_regionsize = \t%x\n\n", _heap_regionsize);
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printf("\t_regbase\t_currsize\t_totalsize\n");
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printf("\t--------\t---------\t----------\n");
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for (i=0; i < _HEAP_REGIONMAX; i++) {
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printf("\t%x\t\t%x\t\t%x\n",
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_heap_regions[i]._regbase,
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_heap_regions[i]._currsize,
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_heap_regions[i]._totalsize);
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}
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}
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/***
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*_heap_print_desc - Print the heap descriptor
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*
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*Purpose:
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*
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*Entry:
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* <void>
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*
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*Exit:
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* <void>
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*
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*Exceptions:
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*
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*******************************************************************************/
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#ifdef _MT
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void __cdecl _heap_print_desc(void)
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{
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_mlock(_HEAP_LOCK);
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_heap_print_desc_lk();
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_munlock(_HEAP_LOCK);
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}
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void __cdecl _heap_print_desc_lk(void)
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#else /* ndef _MT */
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void __cdecl _heap_print_desc(void)
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#endif /* _MT */
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{
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printf("\n--- Heap Descriptor ---\n\n");
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printf("\tpfirstdesc = %p\n", _heap_desc.pfirstdesc);
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printf("\tproverdesc = %p\n", _heap_desc.proverdesc);
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printf("\temptylist = %p\n", _heap_desc.emptylist);
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printf("\t&sentinel = %p\n", &(_heap_desc.sentinel));
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}
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/***
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*_heap_print_emptylist - Print out the empty heap desc list
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*
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*Purpose:
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*
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*Entry:
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* <void>
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*
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*Exit:
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* <void>
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*
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*Exceptions:
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*
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*******************************************************************************/
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#ifdef _MT
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void __cdecl _heap_print_emptylist(void)
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{
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/* lock the heap
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*/
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_mlock(_HEAP_LOCK);
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_heap_print_emptylist_lk();
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/* release the heap lock
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*/
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_munlock(_HEAP_LOCK);
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}
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void __cdecl _heap_print_emptylist_lk(void)
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#else /* ndef _MT */
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void __cdecl _heap_print_emptylist(void)
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#endif /* _MT */
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{
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_PBLKDESC p;
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int i;
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printf("\n--- Heap Empty Descriptor List ---\n\n");
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if ((p = _heap_desc.emptylist) == NULL) {
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printf("\t *** List is empty ***\n");
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return;
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}
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for (i=1; p != NULL; p=p->pnextdesc, i++) {
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printf("\t(%i) Address = %p\n", i, p);
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printf("\t\tpnextdesc = %p, pblock = %p\n\n",
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p->pnextdesc, p->pblock);
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}
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printf("\t--- End of table ---\n");
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}
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/***
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*_heap_print_heaplist - Print out the heap desc list
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*
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*Purpose:
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*
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*Entry:
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* <void>
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*
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*Exit:
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* <void>
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*
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*Exceptions:
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*
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*******************************************************************************/
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#ifdef _MT
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void __cdecl _heap_print_heaplist(void)
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{
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/* lock the heap
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*/
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_mlock(_HEAP_LOCK);
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_heap_print_heaplist_lk();
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/* release the heap lock
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*/
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_munlock(_HEAP_LOCK);
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}
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void __cdecl _heap_print_heaplist_lk(void)
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#else /* ndef _MT */
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void __cdecl _heap_print_heaplist(void)
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#endif /* _MT */
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{
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_PBLKDESC p;
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_PBLKDESC next;
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int i;
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int error = 0;
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printf("\n--- Heap Descriptor List ---\n\n");
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if ((p = _heap_desc.pfirstdesc) == NULL) {
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printf("\t *** List is empty ***\n");
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return;
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}
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for (i=1; p != NULL; i++) {
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next = p->pnextdesc;
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/* Print descriptor address */
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printf("\t(%i) Address = %p ", i, p);
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if (p == &_heap_desc.sentinel)
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printf("<SENTINEL>\n");
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else if (p == _heap_desc.proverdesc)
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printf("<ROVER>\n");
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else
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printf("\n");
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/* Print descriptor contents */
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printf("\t\tpnextdesc = %p, pblock = %p",
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p->pnextdesc, p->pblock);
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if (p == &_heap_desc.sentinel) {
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if (next != NULL) {
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printf("\n\t*** ERROR: sentinel.pnextdesc != NULL ***\n");
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error++;
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}
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}
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else if (_IS_INUSE(p))
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printf(", usersize = %u <INUSE>", _BLKSIZE(p));
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else if (_IS_FREE(p))
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printf(", usersize = %u <FREE>", _BLKSIZE(p));
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else if (_IS_DUMMY(p))
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printf(", size = %u <DUMMY>", _MEMSIZE(p));
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else {
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printf(",\n\t*** ERROR: unknown status ***\n");
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error++;
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}
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printf("\n\n");
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if (_heap_desc.pfirstdesc == &_heap_desc.sentinel) {
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printf("[No memory in heap]\n");
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}
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p = next;
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}
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if (error)
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printf("\n\t *** ERRORS IN HEAP TABLE ***\n");
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printf("\t--- End of table ---\n");
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}
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#endif /* DEBUG */
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#endif /* WINHEAP */
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