79 lines
1.8 KiB
C++
79 lines
1.8 KiB
C++
/*
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* \brief ROM service provided to Noux processes
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* \author Norman Feske
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* \date 2013-07-18
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*
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* The local ROM service has the sole purpose of tracking ROM dataspaces
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* so that they are properly detached from RM sessions when the corresponding
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* ROM sessions are closed.
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*/
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/*
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* Copyright (C) 2013 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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#ifndef _NOUX__LOCAL_ROM_SERVICE_H_
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#define _NOUX__LOCAL_ROM_SERVICE_H_
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/* Genode includes */
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#include <base/service.h>
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/* Noux includes */
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#include <dataspace_registry.h>
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#include <rom_session_component.h>
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namespace Noux {
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class Local_rom_service : public Service
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{
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private:
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Rpc_entrypoint &_ep;
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Dataspace_registry &_ds_registry;
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public:
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Local_rom_service(Rpc_entrypoint &ep, Dataspace_registry &ds_registry)
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:
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Service(Rom_session::service_name()), _ep(ep),
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_ds_registry(ds_registry)
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{ }
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Genode::Session_capability session(const char *args, Affinity const &)
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{
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enum { NAME_MAX_LEN = 128 };
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char name[NAME_MAX_LEN];
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Arg_string::find_arg(args, "filename").string(name, sizeof(name), "<noname>");
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Rom_session_component *rom = new (env()->heap())
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Rom_session_component(_ds_registry, name);
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return _ep.manage(rom);
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}
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void upgrade(Genode::Session_capability, const char *args) { }
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void close(Genode::Session_capability session)
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{
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/* acquire locked session object */
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Rom_session_component *rom_session =
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dynamic_cast<Rom_session_component *>(_ep.lookup_and_lock(session));
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if (!rom_session) {
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PWRN("Unexpected call of close with non-ROM-session argument");
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return;
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}
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_ep.dissolve(rom_session);
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destroy(env()->heap(), rom_session);
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}
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};
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}
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#endif /* _NOUX__LOCAL_ROM_SERVICE_H_ */
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