Source code of Windows XP (NT5)
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1.6 KiB

#ifndef _PERFDATA_H_
#define _PERFDATA_H_
#define INITIAL_SIZE 4096L
#define EXTEND_SIZE 4096L
#define RESERVED 0L
typedef LPVOID LPMEMORY;
typedef HGLOBAL HMEMORY;
typedef struct _UNICODE_STRING {
USHORT Length;
USHORT MaximumLength;
PWSTR Buffer;
} UNICODE_STRING, *PUNICODE_STRING;
#define UNICODE_NULL ((WCHAR)0) // winnt
LPMEMORY
MemoryAllocate (
DWORD dwSize
);
VOID
MemoryFree (
LPMEMORY lpMemory
);
DWORD
MemorySize (
LPMEMORY lpMemory
);
LPMEMORY
MemoryResize (
LPMEMORY lpMemory,
DWORD dwNewSize
);
LPWSTR
*BuildNameTable(
LPWSTR szComputerName, // computer to query names from
LPWSTR lpszLangId, // unicode value of Language subkey
PDWORD pdwLastItem // size of array in elements
);
PPERF_OBJECT_TYPE
FirstObject (
IN PPERF_DATA_BLOCK pPerfData
);
PPERF_OBJECT_TYPE
NextObject (
IN PPERF_OBJECT_TYPE pObject
);
PERF_OBJECT_TYPE *
GetObjectDefByTitleIndex(
IN PERF_DATA_BLOCK *pDataBlock,
IN DWORD ObjectTypeTitleIndex
);
PERF_INSTANCE_DEFINITION *
FirstInstance(
IN PERF_OBJECT_TYPE *pObjectDef
);
PERF_INSTANCE_DEFINITION *
NextInstance(
IN PERF_INSTANCE_DEFINITION *pInstDef
);
PERF_INSTANCE_DEFINITION *
GetInstance(
IN PERF_OBJECT_TYPE *pObjectDef,
IN LONG InstanceNumber
);
PERF_COUNTER_DEFINITION *
FirstCounter(
PERF_OBJECT_TYPE *pObjectDef
);
PERF_COUNTER_DEFINITION *
NextCounter(
PERF_COUNTER_DEFINITION *pCounterDef
);
LONG
GetSystemPerfData (
IN HKEY hKeySystem,
IN PPERF_DATA_BLOCK *pPerfData,
IN DWORD dwIndex // 0 = Global, 1 = Costly
);
#endif //_PERFDATA_H_