69 lines
1.4 KiB
C++
69 lines
1.4 KiB
C++
/*
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* \brief seL4-specific RPC capability factory
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* \author Norman Feske
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* \date 2016-01-19
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*/
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/*
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* Copyright (C) 2016 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/capability.h>
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#include <util/misc_math.h>
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/* core includes */
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#include <cap_session/cap_session.h>
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#include <rpc_cap_factory.h>
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#include <platform.h>
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/* base-internal include */
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#include <core_capability_space.h>
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using namespace Genode;
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static unsigned unique_id_cnt;
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Native_capability Rpc_cap_factory::_alloc(Rpc_cap_factory *owner,
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Native_capability ep)
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{
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if (!ep.valid()) {
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PWRN("Invalid entrypoint capability");
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return Native_capability();
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}
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Rpc_obj_key const rpc_obj_key(++unique_id_cnt);
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// XXX remove cast
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return Capability_space::create_rpc_obj_cap(ep, (Cap_session*)owner, rpc_obj_key);
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}
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Native_capability Rpc_cap_factory::alloc(Native_capability ep)
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{
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return Rpc_cap_factory::_alloc(this, ep);
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}
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void Rpc_cap_factory::free(Native_capability cap)
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{
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if (!cap.valid())
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return;
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/*
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* XXX check whether this CAP session has created the capability to delete.
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*/
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static uint64_t leakage = 0;
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leakage ++;
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if (1ULL << log2(leakage) == leakage)
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warning(__PRETTY_FUNCTION__, " not implemented - resources leaked: ", Hex(leakage));
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}
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