74 lines
1.4 KiB
C++
74 lines
1.4 KiB
C++
/*
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* \brief Platform-independent part of signal framework
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* \author Norman Feske
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* \author Christian Prochaska
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* \author Martin Stein
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* \date 2013-02-21
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*/
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/*
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* Copyright (C) 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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/* Genode includes */
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#include <base/signal.h>
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using namespace Genode;
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/************
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** Signal **
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************/
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Signal::Signal(Signal const &other) { _inc_ref(); }
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Signal & Signal::operator=(Signal const &other)
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{
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if ((_data.context == other._data.context) &&
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(_data.num == other._data.num))
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return *this;
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_dec_ref_and_unlock();
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_data.context = other._data.context;
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_data.num = other._data.num;
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_inc_ref();
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return *this;
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}
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Signal::~Signal() { _dec_ref_and_unlock(); };
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/************************
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** Signal_transmitter **
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************************/
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Signal_transmitter::Signal_transmitter(Signal_context_capability context)
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: _context(context) { }
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void Signal_transmitter::context(Signal_context_capability context) {
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_context = context; }
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/*********************
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** Signal_receiver **
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*********************/
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Signal_receiver::~Signal_receiver()
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{
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Lock::Guard list_lock_guard(_contexts_lock);
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/* disassociate contexts from the receiver */
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for (List_element<Signal_context> *le; (le = _contexts.first()); )
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_unsynchronized_dissolve(le->object());
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}
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