Leaked source code of windows server 2003
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/*
- perfcommon.h - * Purpose: * Declare data structures common to both perfapp.hpp and perfdll.h * * Notes: * These structs control the layout of shared memory blocks shared * between an application and its related PerfMon Extenstion DLL. * */
#pragma once
//
// INSTREC is key portion of INSTCNTR (below)
typedef struct _instrec{ BOOL fInUse; // In-Use flag
TCHAR szInstName[MAX_PATH]; // Instance Name
} INSTREC;
//
// INSTCNTR is in the Instance Counter Shared Memory Block
typedef struct _instcntr{ DWORD cMaxInstRec; // Maximum # of Instances (can grow)
DWORD cInstRecInUse; // Count of Instances in Use
} INSTCNTR_DATA;
//
// INSTCNTR_ID is the index of the INSTREC in INSTCNTR_DATA
typedef DWORD INSTCNTR_ID;
#define INVALID_INST_ID (INSTCNTR_ID) -1
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