45 lines
763 B
C++
45 lines
763 B
C++
/*
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* \brief Locking primitives
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* \author Norman Feske
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* \date 2006-07-26
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*/
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/*
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* Copyright (C) 2006-2013 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__LOCK_H_
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#define _INCLUDE__BASE__LOCK_H_
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#include <base/cancelable_lock.h>
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namespace Genode { class Lock; }
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struct Genode::Lock : Cancelable_lock
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{
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/**
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* Constructor
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*/
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explicit Lock(State initial = UNLOCKED) : Cancelable_lock(initial) { }
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void lock()
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{
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while (1)
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try {
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Cancelable_lock::lock();
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return;
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} catch (Blocking_canceled) { }
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}
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/**
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* Lock guard
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*/
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typedef Lock_guard<Lock> Guard;
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};
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#endif /* _INCLUDE__BASE__LOCK_H_ */
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