77 lines
2.2 KiB
C++
77 lines
2.2 KiB
C++
/*
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* \brief Signal-delivery mechanism
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* \author Norman Feske
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* \date 2009-08-05
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*/
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/*
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* Copyright (C) 2009-2017 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 _CORE__SIGNAL_SOURCE_COMPONENT_H_
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#define _CORE__SIGNAL_SOURCE_COMPONENT_H_
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/* Genode includes */
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#include <base/object_pool.h>
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/* core-local includes */
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#include <object.h>
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#include <kernel/signal_receiver.h>
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#include <assertion.h>
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namespace Genode {
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struct Signal_context_component;
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struct Signal_source_component;
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typedef Object_pool<Signal_context_component> Signal_context_pool;
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typedef Object_pool<Signal_source_component> Signal_source_pool;
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}
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struct Genode::Signal_context_component : private Kernel_object<Kernel::Signal_context>,
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public Signal_context_pool::Entry
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{
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friend class Object_pool<Signal_context_component>;
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using Signal_context_pool::Entry::cap;
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inline Signal_context_component(Signal_source_component &s,
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addr_t const imprint);
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Signal_source_component *source() { ASSERT_NEVER_CALLED; }
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};
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struct Genode::Signal_source_component : private Kernel_object<Kernel::Signal_receiver>,
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public Signal_source_pool::Entry
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{
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friend class Object_pool<Signal_source_component>;
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friend struct Signal_context_component;
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using Signal_source_pool::Entry::cap;
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Signal_source_component()
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: Kernel_object<Kernel::Signal_receiver>(true),
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Signal_source_pool::Entry(Kernel_object<Kernel::Signal_receiver>::cap())
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{ }
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void submit(Signal_context_component *, unsigned long) { ASSERT_NEVER_CALLED; }
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Kernel::Signal_receiver & signal_receiver() {
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return **static_cast<Kernel_object<Kernel::Signal_receiver>*>(this); }
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};
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Genode::Signal_context_component::Signal_context_component(Signal_source_component &s,
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addr_t const imprint)
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:
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Kernel_object<Kernel::Signal_context>(true, s.signal_receiver(), imprint),
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Signal_context_pool::Entry(Kernel_object<Kernel::Signal_context>::_cap)
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{ }
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#endif /* _CORE__SIGNAL_SOURCE_COMPONENT_H_ */
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