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/* |
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* Copyright (C) 2005-2008 by Pieter Palmers |
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* |
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* This file is part of FFADO |
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* FFADO = Free Firewire (pro-)audio drivers for linux |
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* |
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* FFADO is based upon FreeBoB. |
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* |
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* This program is free software: you can redistribute it and/or modify |
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* it under the terms of the GNU General Public License as published by |
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* the Free Software Foundation, either version 2 of the License, or |
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* (at your option) version 3 of the License. |
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* |
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* This program is distributed in the hope that it will be useful, |
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* but WITHOUT ANY WARRANTY; without even the implied warranty of |
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
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* GNU General Public License for more details. |
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* |
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* You should have received a copy of the GNU General Public License |
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* along with this program. If not, see <http://www.gnu.org/licenses/>. |
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* |
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*/ |
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#ifndef __FFADO_SYSTEMTIMESOURCE__ |
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#define __FFADO_SYSTEMTIMESOURCE__ |
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#include "../debugmodule/debugmodule.h" |
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#include <stdint.h> |
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typedef uint64_t ffado_microsecs_t; |
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namespace Util { |
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class SystemTimeSource |
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{ |
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private: // don't allow objects to be created |
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SystemTimeSource() {}; |
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virtual ~SystemTimeSource() {}; |
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public: |
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static ffado_microsecs_t getCurrentTime(); |
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static ffado_microsecs_t getCurrentTimeAsUsecs(); |
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static void SleepUsecRelative(ffado_microsecs_t usecs); |
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static void SleepUsecAbsolute(ffado_microsecs_t wake_time); |
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/** |
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* @brief sleeps for a random amount of usecs |
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* @param max_usec max usecs |
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* @return number of usecs slept |
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*/ |
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static ffado_microsecs_t SleepUsecRandom(ffado_microsecs_t max_usec); |
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}; |
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} // end of namespace Util |
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#endif /* __FFADO_SYSTEMTIMESOURCE__ */ |
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