genode/repos/base/include/base/blocking.h
2017-02-28 12:59:29 +01:00

32 lines
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C++

/*
* \brief Support for blocking operations
* \author Norman Feske
* \date 2007-09-06
*/
/*
* Copyright (C) 2007-2017 Genode Labs GmbH
*
* This file is part of the Genode OS framework, which is distributed
* under the terms of the GNU Affero General Public License version 3.
*/
#ifndef _INCLUDE__BASE__BLOCKING_H_
#define _INCLUDE__BASE__BLOCKING_H_
#include <base/exception.h>
namespace Genode { class Blocking_canceled; }
/**
* Blocking-canceled exception
*
* Two operations may block a thread, waiting at a lock or performing an RPC
* call. Both operations may be canceled when the thread is destructed. In this
* case, the thread unblocks and throws an exception, and therefore, is able to
* clean up the thread state before exiting.
*/
class Genode::Blocking_canceled : public Exception { };
#endif /* _INCLUDE__BASE__BLOCKING_H_ */