sigar/src/os/win32/sigar_pdh.h
2004-06-21 22:37:04 +00:00

32 lines
991 B
C

#ifndef SIGAR_PDH_H
#define SIGAR_PDH_H
/* performance data helpers */
#define PdhFirstObject(block) \
((PERF_OBJECT_TYPE *)((BYTE *) block + block->HeaderLength))
#define PdhNextObject(object) \
((PERF_OBJECT_TYPE *)((BYTE *) object + object->TotalByteLength))
#define PdhFirstCounter(object) \
((PERF_COUNTER_DEFINITION *)((BYTE *) object + object->HeaderLength))
#define PdhNextCounter(counter) \
((PERF_COUNTER_DEFINITION *)((BYTE *) counter + counter->ByteLength))
#define PdhGetCounterBlock(inst) \
((PERF_COUNTER_BLOCK *)((BYTE *) inst + inst->ByteLength))
#define PdhFirstInstance(object) \
((PERF_INSTANCE_DEFINITION *)((BYTE *) object + object->DefinitionLength))
#define PdhNextInstance(inst) \
((PERF_INSTANCE_DEFINITION *)((BYTE *)inst + inst->ByteLength + \
PdhGetCounterBlock(inst)->ByteLength))
#define PdhInstanceName(inst) \
((wchar_t *)((BYTE *)inst + inst->NameOffset))
#endif /* SIGAR_PDH_H */