Revision 706, 1.1 kB
(checked in by smidl, 15 years ago)
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[418] | 1 | #include "TimeHelpers.h" |
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| 2 | #include <windows.h> |
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| 3 | |
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| 4 | namespace UnitTest { |
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| 5 | |
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| 6 | Timer::Timer() |
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[477] | 7 | : m_threadHandle ( ::GetCurrentThread() ) |
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| 8 | , m_startTime ( 0 ) { |
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[418] | 9 | #if defined(_MSC_VER) && (_MSC_VER == 1200) // VC6 doesn't have DWORD_PTR? |
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| 10 | typedef unsigned long DWORD_PTR; |
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| 11 | #endif |
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| 12 | |
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| 13 | DWORD_PTR systemMask; |
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[477] | 14 | ::GetProcessAffinityMask ( GetCurrentProcess(), &m_processAffinityMask, &systemMask ); |
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| 15 | ::SetThreadAffinityMask ( m_threadHandle, 1 ); |
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| 16 | ::QueryPerformanceFrequency ( reinterpret_cast< LARGE_INTEGER* > ( &m_frequency ) ); |
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| 17 | ::SetThreadAffinityMask ( m_threadHandle, m_processAffinityMask ); |
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[418] | 18 | } |
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| 19 | |
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[477] | 20 | void Timer::Start() { |
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[418] | 21 | m_startTime = GetTime(); |
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| 22 | } |
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| 23 | |
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[477] | 24 | double Timer::GetTimeInMs() const { |
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[418] | 25 | __int64 const elapsedTime = GetTime() - m_startTime; |
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[477] | 26 | double const seconds = double ( elapsedTime ) / double ( m_frequency ); |
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[418] | 27 | return seconds * 1000.0; |
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| 28 | } |
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| 29 | |
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[477] | 30 | __int64 Timer::GetTime() const { |
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[418] | 31 | LARGE_INTEGER curTime; |
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[477] | 32 | ::SetThreadAffinityMask ( m_threadHandle, 1 ); |
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| 33 | ::QueryPerformanceCounter ( &curTime ); |
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| 34 | ::SetThreadAffinityMask ( m_threadHandle, m_processAffinityMask ); |
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[418] | 35 | return curTime.QuadPart; |
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| 36 | } |
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| 37 | |
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[477] | 38 | void TimeHelpers::SleepMs ( int const ms ) { |
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| 39 | ::Sleep ( ms ); |
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[418] | 40 | } |
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| 41 | |
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| 42 | } |
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