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[KERNEL32]: Simplify QueryPerformanceCounter/Frequency and bring in line with ReactOS coding standards.

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svn path=/trunk/; revision=52818
This commit is contained in:
Alex Ionescu 2011-07-23 18:51:32 +00:00
parent ab6e9909fe
commit 163760d73a
1 changed files with 35 additions and 46 deletions
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81
reactos/dll/win32/kernel32/client/perfcnt.c
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@ -1,73 +1,62 @@
/* $Id$ */
/*
* COPYRIGHT: See COPYING in the top level directory
* PROJECT: ReactOS system libraries
* FILE: lib/kernel32/misc/perfcnt.c
* PURPOSE: Performance counter
* PROGRAMMER: Eric Kohl
* COPYRIGHT: See COPYING in the top level directory
* PROJECT: ReactOS Win32 Base API
* FILE: dll/win32/kernel32/client/perfcnt.c
* PURPOSE: Performance Counter
* PROGRAMMER: Eric Kohl
*/
/* INCLUDES *****************************************************************/
/* INCLUDES *******************************************************************/
#include <k32.h>
#define NDEBUG
#include <debug.h>
/* FUNCTIONS ****************************************************************/
/* FUNCTIONS ******************************************************************/
/*
* @implemented
*/
BOOL WINAPI
QueryPerformanceCounter(LARGE_INTEGER *lpPerformanceCount)
BOOL
WINAPI
QueryPerformanceCounter(OUT PLARGE_INTEGER lpPerformanceCount)
{
LARGE_INTEGER Frequency;
NTSTATUS Status;
LARGE_INTEGER Frequency;
NTSTATUS Status;
Status = NtQueryPerformanceCounter(lpPerformanceCount,
&Frequency);
if (!NT_SUCCESS(Status))
{
SetLastErrorByStatus(Status);
return(FALSE);
}
Status = NtQueryPerformanceCounter(lpPerformanceCount, &Frequency);
if (!Frequency.QuadPart) Status = STATUS_NOT_IMPLEMENTED;
if (!NT_SUCCESS(Status))
{
SetLastErrorByStatus(Status);
return FALSE;
}
if (Frequency.QuadPart == 0ULL)
{
SetLastError(ERROR_CALL_NOT_IMPLEMENTED);
return(FALSE);
}
return(TRUE);
return TRUE;
}
/*
* @implemented
*/
BOOL WINAPI
QueryPerformanceFrequency(LARGE_INTEGER *lpFrequency)
BOOL
WINAPI
QueryPerformanceFrequency(OUT PLARGE_INTEGER lpFrequency)
{
LARGE_INTEGER Count;
NTSTATUS Status;
LARGE_INTEGER Count;
NTSTATUS Status;
Status = NtQueryPerformanceCounter(&Count,
lpFrequency);
if (!NT_SUCCESS(Status))
{
SetLastErrorByStatus(Status);
return(FALSE);
}
Status = NtQueryPerformanceCounter(&Count, lpFrequency);
if (!Count.QuadPart) Status = STATUS_NOT_IMPLEMENTED;
if (!NT_SUCCESS(Status))
{
SetLastErrorByStatus(Status);
return FALSE;
}
if (lpFrequency->QuadPart == 0ULL)
{
SetLastError(ERROR_CALL_NOT_IMPLEMENTED);
return(FALSE);
}
return(TRUE);
return TRUE;
}
/* EOF */