107 lines
3.2 KiB
C
107 lines
3.2 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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#ifndef __DSS_STOPWATCH__
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#define __DSS_STOPWATCH__
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//#include "DssStopwatch.h"
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#include "OS.h"
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class DssEggtimer {
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public:
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enum { kDurationNeverExpire = -1 };
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DssEggtimer( SInt64 inMilliseconds ) { fTimerDuration = inMilliseconds; Reset(); }
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void OneShotSetTo( SInt64 inMilliseconds )
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{
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// set the egg timer to this time for one cycle.
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// there after Reset will use fTimerDuration
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fExpirationMilliseconds = OS::Milliseconds() + inMilliseconds;
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}
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void Reset()
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{
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//if ( fTimerDuration != (SInt64)kDurationNeverExpire )
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fExpirationMilliseconds = OS::Milliseconds() + fTimerDuration;
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}
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void ResetTo(SInt64 inMilliseconds)
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{
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fTimerDuration = inMilliseconds;
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this->Reset();
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}
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Bool16 Expired()
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{
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//if (fTimerDuration == (SInt64)kDurationNeverExpire )
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// return false;
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return fExpirationMilliseconds <= OS::Milliseconds();
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}
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SInt64 MaxDuration() { return fTimerDuration; }
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private:
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SInt64 fTimerDuration;
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SInt64 fExpirationMilliseconds;
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};
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class DssMillisecondStopwatch {
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public:
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DssMillisecondStopwatch() :
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fIsStarted(false)
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, fTimerDuration(-1)
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{}
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;
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void Start() { fStartedAt = OS::Milliseconds(); fIsStarted = true; }
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void Stop() { fTimerDuration = OS::Milliseconds() - fStartedAt; }
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SInt64 Duration() { return fTimerDuration; }
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private:
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Bool16 fIsStarted;
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SInt64 fTimerDuration;
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SInt64 fStartedAt;
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};
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class DssDurationTimer {
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public:
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DssDurationTimer() { fStartedAtMsec = OS::Milliseconds(); }
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void Reset() { fStartedAtMsec = OS::Milliseconds(); }
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void ResetToDuration( SInt64 inDurationInMsec ) { fStartedAtMsec = OS::Milliseconds() - inDurationInMsec; }
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SInt64 DurationInMilliseconds() { return OS::Milliseconds() - fStartedAtMsec; }
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SInt64 DurationInSeconds() { return (OS::Milliseconds() - fStartedAtMsec) / (SInt64)1000; }
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private:
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SInt64 fStartedAtMsec;
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};
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#endif
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