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[KERNEL32]: Fix QueryPerformanceFrequency: it's when NtQueryPerformanceCounter returns a frequency of zero, that HW perf counters are not implemented.

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svn path=/trunk/; revision=61212
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Hermès Bélusca-Maïto 2013-12-03 23:57:16 +00:00
parent 65881aa3cc
commit 2ce23daed3
1 changed files with 2 additions and 2 deletions
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4
reactos/dll/win32/kernel32/client/perfcnt.c
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@ -26,7 +26,7 @@ QueryPerformanceCounter(OUT PLARGE_INTEGER lpPerformanceCount)
NTSTATUS Status;
Status = NtQueryPerformanceCounter(lpPerformanceCount, &Frequency);
if (!Frequency.QuadPart) Status = STATUS_NOT_IMPLEMENTED;
if (Frequency.QuadPart == 0) Status = STATUS_NOT_IMPLEMENTED;
if (!NT_SUCCESS(Status))
{
@ -48,7 +48,7 @@ QueryPerformanceFrequency(OUT PLARGE_INTEGER lpFrequency)
NTSTATUS Status;
Status = NtQueryPerformanceCounter(&Count, lpFrequency);
if (!Count.QuadPart) Status = STATUS_NOT_IMPLEMENTED;
if (lpFrequency->QuadPart == 0) Status = STATUS_NOT_IMPLEMENTED;
if (!NT_SUCCESS(Status))
{