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74 lines
1.3 KiB
C
74 lines
1.3 KiB
C
/* $Id$ */
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/*
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* COPYRIGHT: See COPYING in the top level directory
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* PROJECT: ReactOS system libraries
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* FILE: lib/kernel32/misc/perfcnt.c
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* PURPOSE: Performance counter
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* PROGRAMMER: Eric Kohl
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*/
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/* INCLUDES *****************************************************************/
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#include <k32.h>
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#define NDEBUG
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#include <debug.h>
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/* FUNCTIONS ****************************************************************/
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/*
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* @implemented
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*/
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BOOL WINAPI
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QueryPerformanceCounter(LARGE_INTEGER *lpPerformanceCount)
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{
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LARGE_INTEGER Frequency;
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NTSTATUS Status;
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Status = NtQueryPerformanceCounter(lpPerformanceCount,
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&Frequency);
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if (!NT_SUCCESS(Status))
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{
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SetLastErrorByStatus(Status);
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return(FALSE);
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}
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if (Frequency.QuadPart == 0ULL)
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{
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SetLastError(ERROR_CALL_NOT_IMPLEMENTED);
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return(FALSE);
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}
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return(TRUE);
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}
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/*
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* @implemented
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*/
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BOOL WINAPI
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QueryPerformanceFrequency(LARGE_INTEGER *lpFrequency)
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{
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LARGE_INTEGER Count;
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NTSTATUS Status;
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Status = NtQueryPerformanceCounter(&Count,
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lpFrequency);
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if (!NT_SUCCESS(Status))
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{
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SetLastErrorByStatus(Status);
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return(FALSE);
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}
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if (lpFrequency->QuadPart == 0ULL)
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{
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SetLastError(ERROR_CALL_NOT_IMPLEMENTED);
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return(FALSE);
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}
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return(TRUE);
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}
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/* EOF */
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