genode/repos/base/src/core/rpc_cap_factory_l4.cc

54 lines
1.1 KiB
C++

/*
* \brief RPC capability factory
* \author Norman Feske
* \date 2016-01-19
*/
/*
* Copyright (C) 2016-2017 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.
*/
/* core includes */
#include <rpc_cap_factory.h>
#include <platform.h>
/* base-internal include */
#include <core_capability_space.h>
#include <base/internal/capability_space_tpl.h>
using namespace Genode;
static unsigned unique_id_cnt;
Native_capability Rpc_cap_factory::_alloc(Rpc_cap_factory &,
Native_capability ep)
{
if (!ep.valid()) {
warning("Invalid entrypoint capability");
return Native_capability();
}
Rpc_obj_key const rpc_obj_key(++unique_id_cnt);
/* combine thread ID of 'ep' with new unique ID */
Capability_space::Ipc_cap_data cap_data =
Capability_space::ipc_cap_data(ep);
return Capability_space::import(cap_data.dst, rpc_obj_key);
}
Native_capability Rpc_cap_factory::alloc(Native_capability ep)
{
return Rpc_cap_factory::_alloc(*this, ep);
}
void Rpc_cap_factory::free(Native_capability) { }