genode/repos/base-foc/src/lib/base/capability.cc

73 lines
1.2 KiB
C++

/*
* \brief Capability lifetime management
* \author Norman Feske
* \date 2015-05-06
*/
/*
* Copyright (C) 2015-2017 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.
*/
/* Fiasco includes */
namespace Fiasco {
#include <l4/sys/types.h>
}
/* base-internal includes */
#include <base/internal/cap_map.h>
#include <base/internal/capability_data.h>
using namespace Genode;
Native_capability::Native_capability() { }
void Native_capability::_inc()
{
if (_data)
_data->inc();
}
void Native_capability::_dec()
{
if (_data && !_data->dec())
cap_map()->remove(_data);
}
long Native_capability::local_name() const
{
return _data ? _data->id() : 0;
}
bool Native_capability::valid() const
{
return (_data != 0) && _data->valid();
}
Native_capability::Raw Native_capability::raw() const
{
return { (unsigned long)local_name(), 0, 0, 0 };
}
void Native_capability::print(Genode::Output &out) const
{
using Genode::print;
print(out, "cap<");
if (_data) {
print(out, "kcap=", Hex(_data->kcap()), ",key=", (unsigned)_data->id());
} else {
print(out, "invalid");
}
print(out, ">");
}