lleventtimer.cpp
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上传日期:2021-03-01
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- /**
- * @file lleventtimer.cpp
- * @brief Cross-platform objects for doing timing
- *
- * $LicenseInfo:firstyear=2000&license=viewergpl$
- *
- * Copyright (c) 2000-2010, Linden Research, Inc.
- *
- * Second Life Viewer Source Code
- * The source code in this file ("Source Code") is provided by Linden Lab
- * to you under the terms of the GNU General Public License, version 2.0
- * ("GPL"), unless you have obtained a separate licensing agreement
- * ("Other License"), formally executed by you and Linden Lab. Terms of
- * the GPL can be found in doc/GPL-license.txt in this distribution, or
- * online at http://secondlifegrid.net/programs/open_source/licensing/gplv2
- *
- * There are special exceptions to the terms and conditions of the GPL as
- * it is applied to this Source Code. View the full text of the exception
- * in the file doc/FLOSS-exception.txt in this software distribution, or
- * online at
- * http://secondlifegrid.net/programs/open_source/licensing/flossexception
- *
- * By copying, modifying or distributing this software, you acknowledge
- * that you have read and understood your obligations described above,
- * and agree to abide by those obligations.
- *
- * ALL LINDEN LAB SOURCE CODE IS PROVIDED "AS IS." LINDEN LAB MAKES NO
- * WARRANTIES, EXPRESS, IMPLIED OR OTHERWISE, REGARDING ITS ACCURACY,
- * COMPLETENESS OR PERFORMANCE.
- * $/LicenseInfo$
- */
- #include "linden_common.h"
- #include "lleventtimer.h"
- #include "u64.h"
- //////////////////////////////////////////////////////////////////////////////
- //
- // LLEventTimer Implementation
- //
- //////////////////////////////////////////////////////////////////////////////
- LLEventTimer::LLEventTimer(F32 period)
- : mEventTimer()
- {
- mPeriod = period;
- }
- LLEventTimer::LLEventTimer(const LLDate& time)
- : mEventTimer()
- {
- mPeriod = (F32)(time.secondsSinceEpoch() - LLDate::now().secondsSinceEpoch());
- }
- LLEventTimer::~LLEventTimer()
- {
- }
- //static
- void LLEventTimer::updateClass()
- {
- std::list<LLEventTimer*> completed_timers;
- {
- LLInstanceTrackerScopedGuard guard;
- for (instance_iter iter = guard.beginInstances(); iter != guard.endInstances(); )
- {
- LLEventTimer& timer = *iter++;
- F32 et = timer.mEventTimer.getElapsedTimeF32();
- if (timer.mEventTimer.getStarted() && et > timer.mPeriod) {
- timer.mEventTimer.reset();
- if ( timer.tick() )
- {
- completed_timers.push_back( &timer );
- }
- }
- }
- }
- if ( completed_timers.size() > 0 )
- {
- for (std::list<LLEventTimer*>::iterator completed_iter = completed_timers.begin();
- completed_iter != completed_timers.end();
- completed_iter++ )
- {
- delete *completed_iter;
- }
- }
- }