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34 lines
721 B
C++
34 lines
721 B
C++
/*
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* \brief Utility for implementing blocking syscalls
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* \author Norman Feske
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* \date 2011-11-05
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*/
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/*
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* Copyright (C) 2011-2017 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 Affero General Public License version 3.
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*/
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#ifndef _NOUX__WAKE_UP_NOTIFIER__H_
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#define _NOUX__WAKE_UP_NOTIFIER__H_
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/* Genode includes */
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#include <util/list.h>
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#include <base/lock.h>
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namespace Noux { struct Wake_up_notifier; }
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struct Noux::Wake_up_notifier : List<Wake_up_notifier>::Element
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{
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Lock *lock;
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Wake_up_notifier(Lock *lock = nullptr) : lock(lock) { }
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void wake_up() { if (lock) lock->unlock(); }
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};
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#endif /* _NOUX__WAKE_UP_NOTIFIER__H_ */
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