77 lines
1.3 KiB
C++
77 lines
1.3 KiB
C++
/*
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* \brief Capability lifetime management
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* \author Norman Feske
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* \date 2015-05-06
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*/
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/*
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* Copyright (C) 2015-2017 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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/* base-internal includes */
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#include <base/internal/capability_data.h>
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/* NOVA includes */
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#include <nova/cap_map.h>
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#include <nova/capability_space.h>
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using namespace Genode;
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Native_capability::Native_capability()
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{
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*this = Capability_space::import(Capability_space::INVALID_INDEX);
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}
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void Native_capability::_inc()
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{
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Cap_index idx(cap_map().find(local_name()));
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idx.inc();
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}
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void Native_capability::_dec()
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{
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Cap_index idx(cap_map().find(local_name()));
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idx.dec();
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}
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long Native_capability::local_name() const
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{
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if (valid())
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return Capability_space::crd(*this).base();
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else
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return Capability_space::INVALID_INDEX;
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}
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bool Native_capability::valid() const
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{
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return _data != nullptr;
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}
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Native_capability::Raw Native_capability::raw() const
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{
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return { 0, 0, 0, 0 };
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}
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void Native_capability::print(Genode::Output &out) const
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{
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using Genode::print;
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print(out, "cap<");
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if (_data) {
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print(out, local_name());
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} else {
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print(out, "invalid");
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}
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print(out, ">");
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}
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