67 lines
1.9 KiB
C
67 lines
1.9 KiB
C
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/*
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*
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* @APPLE_LICENSE_HEADER_START@
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*
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* Copyright (c) 1999-2008 Apple Inc. All Rights Reserved.
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*
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* This file contains Original Code and/or Modifications of Original Code
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* as defined in and that are subject to the Apple Public Source License
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* Version 2.0 (the 'License'). You may not use this file except in
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* compliance with the License. Please obtain a copy of the License at
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* http://www.opensource.apple.com/apsl/ and read it before using this
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* file.
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*
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* The Original Code and all software distributed under the License are
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* distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER
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* EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
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* INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT.
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* Please see the License for the specific language governing rights and
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* limitations under the License.
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*
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* @APPLE_LICENSE_HEADER_END@
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*
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*/
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/*
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File: StopWatch.h
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Contains: classes for stopwatch timers
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*/
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#include "OS.h"
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class MilliSecondStopWatch {
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public:
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MilliSecondStopWatch () { fStartedAt = -1; fStoppedAt = -1; }
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void Start() { fStartedAt = OS::Milliseconds(); }
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void Stop() { fStoppedAt = OS::Milliseconds(); }
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SInt64 Duration() { return fStoppedAt - fStartedAt; }
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private:
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SInt64 fStartedAt;
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SInt64 fStoppedAt;
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};
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class MicroSecondStopWatch {
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public:
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MicroSecondStopWatch () { fStartedAt = -1; fStoppedAt = -1; }
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void Start() { fStartedAt = OS::Microseconds(); }
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void Stop() { fStoppedAt = OS::Microseconds(); }
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SInt64 Duration() { return fStoppedAt - fStartedAt; }
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private:
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SInt64 fStartedAt;
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SInt64 fStoppedAt;
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};
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