36 lines
759 B
C++
36 lines
759 B
C++
/*
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* \brief Semaphore implementation with timeout facility.
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* \author Stefan Kalkowski
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* \date 2010-03-05
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*/
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/*
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* Copyright (C) 2010-2013 Genode Labs GmbH
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*
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* This file is part of the Genode OS framework, which is distributed
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* under the terms of the GNU General Public License version 2.
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*/
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#include <os/timed_semaphore.h>
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void Genode::Timeout_thread::entry()
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{
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while (true) {
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Signal s = _receiver.wait_for_signal();
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/* increase jiffies counter related to received signals */
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_time += JIFFIES_STEP_MS * s.num();
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/* handle timouts of this point in time */
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Genode::Alarm_scheduler::handle(_time);
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}
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}
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Genode::Timeout_thread *Genode::Timeout_thread::alarm_timer()
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{
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static Timeout_thread _alarm_timer;
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return &_alarm_timer;
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}
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