genode/ports/src/noux/wake_up_notifier.h

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/*
* \brief Utility for implementing blocking syscalls
* \author Norman Feske
* \date 2011-11-05
*/
/*
* Copyright (C) 2011-2013 Genode Labs GmbH
*
* This file is part of the Genode OS framework, which is distributed
* under the terms of the GNU General Public License version 2.
*/
#ifndef _NOUX__WAKE_UP_NOTIFIER__H_
#define _NOUX__WAKE_UP_NOTIFIER__H_
/* Genode includes */
#include <util/list.h>
#include <base/semaphore.h>
namespace Noux {
struct Wake_up_notifier : List<Wake_up_notifier>::Element
{
Semaphore *semaphore;
Wake_up_notifier(Semaphore *semaphore = 0)
: semaphore(semaphore) { }
void wake_up()
{
if (semaphore)
semaphore->up();
}
};
};
#endif /* _NOUX__WAKE_UP_NOTIFIER__H_ */