42 lines
840 B
C++
42 lines
840 B
C++
/*
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* \brief Lay back and relax
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* \author Norman Feske
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* \author Alexander Boettcher
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* \date 2010-02-01
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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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#ifndef _INCLUDE__BASE__SLEEP_H_
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#define _INCLUDE__BASE__SLEEP_H_
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/* Genode includes */
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#include <base/thread.h>
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/* NOVA includes */
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#include <nova/syscalls.h>
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#include <nova/util.h>
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namespace Genode {
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__attribute__((noreturn)) inline void sleep_forever()
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{
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using namespace Nova;
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Thread_base *myself = Thread_base::myself();
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addr_t sem = myself ? myself->tid().exc_pt_sel + SM_SEL_EC : SM_SEL_EC;
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while (1) {
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if (Nova::sm_ctrl(sem, SEMAPHORE_DOWNZERO))
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nova_die();
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}
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}
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}
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#endif /* _INCLUDE__BASE__SLEEP_H_ */
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