| Index: base/highres_timer-win32.h
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| diff --git a/base/highres_timer-win32.h b/base/highres_timer-win32.h
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| deleted file mode 100644
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| index 68a9f6eb38f6404fbd11dd086694527a02a7f9d5..0000000000000000000000000000000000000000
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| --- a/base/highres_timer-win32.h
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| +++ /dev/null
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| @@ -1,90 +0,0 @@
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| -// Copyright 2006-2009 Google Inc.
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| -//
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| -// Licensed under the Apache License, Version 2.0 (the "License");
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| -// you may not use this file except in compliance with the License.
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| -// You may obtain a copy of the License at
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| -//
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| -// http://www.apache.org/licenses/LICENSE-2.0
|
| -//
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| -// Unless required by applicable law or agreed to in writing, software
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| -// distributed under the License is distributed on an "AS IS" BASIS,
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| -// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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| -// See the License for the specific language governing permissions and
|
| -// limitations under the License.
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| -// ========================================================================
|
| -#ifndef OMAHA_COMMON_HIGHRES_TIMER_WIN32_H__
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| -#define OMAHA_COMMON_HIGHRES_TIMER_WIN32_H__
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| -
|
| -#include <windows.h>
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| -
|
| -namespace omaha {
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| -
|
| -/// A handy class for reliably measuring wall-clock time with decent resolution,
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| -/// even on multi-processor machines and on laptops (where RDTSC potentially
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| -/// returns different results on different processors and/or the RDTSC timer
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| -/// clocks at different rates depending on the power state of the CPU,
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| -/// respectively).
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| -class HighresTimer {
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| - public:
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| - /// Captures the current start time
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| - HighresTimer();
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| -
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| - /// Captures the current tick, can be used to reset a timer for reuse.
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| - void Start();
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| -
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| - /// Returns the elapsed ticks with full resolution
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| - ULONGLONG GetElapsedTicks() const;
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| -
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| - /// Returns the elapsed time in milliseconds, rounded to the nearest
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| - /// millisecond.
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| - ULONGLONG GetElapsedMs() const;
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| -
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| - /// Returns the elapsed time in seconds, rounded to the nearest second.
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| - ULONGLONG GetElapsedSec() const;
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| -
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| - ULONGLONG start_ticks() const { return start_ticks_; }
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| -
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| - /// Returns timer frequency from cache, should be less
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| - /// overhead than ::QueryPerformanceFrequency
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| - static ULONGLONG GetTimerFrequency();
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| - /// Returns current ticks
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| - static ULONGLONG GetCurrentTicks();
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| -
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| - private:
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| - static void CollectPerfFreq();
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| -
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| - /// Captured start time
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| - ULONGLONG start_ticks_;
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| -
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| - /// Captured performance counter frequency
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| - static bool perf_freq_collected_;
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| - static ULONGLONG perf_freq_;
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| -};
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| -
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| -inline HighresTimer::HighresTimer() {
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| - Start();
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| -}
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| -
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| -inline void HighresTimer::Start() {
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| - start_ticks_ = GetCurrentTicks();
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| -}
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| -
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| -inline ULONGLONG HighresTimer::GetTimerFrequency() {
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| - if (!perf_freq_collected_)
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| - CollectPerfFreq();
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| - return perf_freq_;
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| -}
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| -
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| -inline ULONGLONG HighresTimer::GetCurrentTicks() {
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| - LARGE_INTEGER ticks;
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| - ::QueryPerformanceCounter(&ticks);
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| - return ticks.QuadPart;
|
| -}
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| -
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| -inline ULONGLONG HighresTimer::GetElapsedTicks() const {
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| - return start_ticks_ - GetCurrentTicks();
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| -}
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| -
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| -} // namespace omaha
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| -
|
| -#endif // OMAHA_COMMON_HIGHRES_TIMER_WIN32_H__
|
|
|