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124 lines
2.5 KiB
124 lines
2.5 KiB
/*==========================================================================
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*
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* Copyright (C) 1994-1997 Microsoft Corporation. All Rights Reserved.
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*
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* File: mydebug.c
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* Content: debugging printf - stolen from direct draw.
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*@@BEGIN_MSINTERNAL
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* History:
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* Date By Reason
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* ==== == ======
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* aarono splurp.
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* 6/6/98 aarono Debug support for link statistics
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*@@END_MSINTERNAL
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*
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***************************************************************************/
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#undef WIN32_LEAN_AND_MEAN
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#define WIN32_LEAN_AND_MEAN
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#include <windows.h>
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#include "newdpf.h"
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#include "mydebug.h"
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#include "bilink.h"
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#include <stdarg.h>
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#ifdef DEBUG
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typedef struct _MEM_BLOCK {
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union {
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BILINK Bilink;
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struct _FB {
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struct _MEM_BLOCK *pNext;
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struct _MEM_BLOCK *pPrev;
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} FB;
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};
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UINT len;
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UINT tmAlloc;
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CHAR data[4];
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} MEM_BLOCK, *PMEM_BLOCK;
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LONG TotalMem = 0;
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struct _MEMLIST {
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union{
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BILINK Bilink;
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struct _FB FB;
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};
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} MemList={(BILINK *)&MemList,(BILINK *)&MemList};
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UINT nInit=0xFFFFFFFF;
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CRITICAL_SECTION MEM_CS;
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VOID My_GlobalAllocInit()
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{
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if(!InterlockedIncrement(&nInit)){
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InitializeCriticalSection(&MEM_CS);
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}
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}
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VOID My_GlobalAllocDeInit()
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{
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if(InterlockedDecrement(&nInit)&0x80000000){
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DeleteCriticalSection(&MEM_CS);
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}
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}
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HGLOBAL
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My_GlobalAlloc(
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UINT uFlags,
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DWORD dwBytes
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)
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{
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PMEM_BLOCK pMem;
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UINT lTotalMem;
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pMem=(PMEM_BLOCK)GlobalAlloc(uFlags,dwBytes+sizeof(MEM_BLOCK)-4);
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pMem->len=dwBytes;
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pMem->tmAlloc=GetTickCount();
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EnterCriticalSection(&MEM_CS);
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InsertAfter(&pMem->Bilink, &MemList.Bilink);
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TotalMem+=dwBytes;
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lTotalMem=TotalMem;
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LeaveCriticalSection(&MEM_CS);
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DPF(9,"GlobalAlloc: Allocated %d TotalMem %d\n",dwBytes, lTotalMem);
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{
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IN_WRITESTATS InWS;
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memset((PVOID)&InWS,0xFF,sizeof(IN_WRITESTATS));
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InWS.stat_USER2=lTotalMem;
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DbgWriteStats(&InWS);
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}
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return((HGLOBAL)&pMem->data[0]);
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}
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HGLOBAL
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My_GlobalFree(
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HGLOBAL hMem
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)
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{
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PUCHAR pData=(PUCHAR)(hMem);
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PMEM_BLOCK pMem;
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UINT lTotalMem;
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UINT dwBytes;
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pMem=CONTAINING_RECORD(pData, MEM_BLOCK, data);
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EnterCriticalSection(&MEM_CS);
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Delete(&pMem->Bilink);
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TotalMem-=pMem->len;
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dwBytes=pMem->len;
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lTotalMem=TotalMem;
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LeaveCriticalSection(&MEM_CS);
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DPF(9,"GlobalFree: Freed %d TotalMem %d\n",dwBytes,lTotalMem);
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{
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IN_WRITESTATS InWS;
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memset((PVOID)&InWS,0xFF,sizeof(IN_WRITESTATS));
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InWS.stat_USER2=lTotalMem;
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DbgWriteStats(&InWS);
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}
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return GlobalFree(pMem);
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}
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#endif /* DEBUG */
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