116 lines
3.6 KiB
C++
116 lines
3.6 KiB
C++
/*
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* \brief CPU session component interface
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* \author Christian Prochaska
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* \date 2016-01-18
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*/
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/*
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* Copyright (C) 2016-2017 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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#ifndef _CPU_SESSION_COMPONENT_H_
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#define _CPU_SESSION_COMPONENT_H_
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/* Genode includes */
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#include <base/allocator.h>
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#include <base/rpc_server.h>
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#include <cpu_session/client.h>
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#include <os/session_policy.h>
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/* local includes */
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#include "cpu_thread_component.h"
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#include "thread_list_change_handler.h"
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namespace Cpu_sampler {
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using namespace Genode;
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class Cpu_session_component;
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typedef List<List_element<Cpu_thread_component>> Thread_list;
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typedef List_element<Cpu_thread_component> Thread_element;
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template <typename FN>
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void for_each_thread(Thread_list &thread_list, FN const &fn);
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}
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template <typename FN>
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void Cpu_sampler::for_each_thread(Thread_list &thread_list, FN const &fn)
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{
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Thread_element *next_cpu_thread_element = 0;
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for (Thread_element *cpu_thread_element = thread_list.first();
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cpu_thread_element;
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cpu_thread_element = next_cpu_thread_element) {
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next_cpu_thread_element = cpu_thread_element->next();
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fn(cpu_thread_element);
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}
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}
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class Cpu_sampler::Cpu_session_component : public Rpc_object<Cpu_session>
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{
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private:
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Rpc_entrypoint &_thread_ep;
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Env &_env;
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Parent::Client _parent_client;
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Id_space<Parent::Client>::Element const _id_space_element;
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Cpu_session_client _parent_cpu_session;
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Allocator &_md_alloc;
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Thread_list &_thread_list;
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Thread_list_change_handler &_thread_list_change_handler;
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Session_label _session_label;
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unsigned int _next_thread_id = 0;
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Capability<Cpu_session::Native_cpu> _native_cpu_cap;
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Capability<Cpu_session::Native_cpu> _setup_native_cpu();
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void _cleanup_native_cpu();
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public:
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Session_label &session_label() { return _session_label; }
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Cpu_session_client &parent_cpu_session() { return _parent_cpu_session; }
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Rpc_entrypoint &thread_ep() { return _thread_ep; }
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/**
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* Constructor
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*/
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Cpu_session_component(Rpc_entrypoint &thread_ep,
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Env &env,
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Allocator &md_alloc,
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Thread_list &thread_list,
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Thread_list_change_handler &thread_list_change_handler,
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char const *args);
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/**
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* Destructor
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*/
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~Cpu_session_component();
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void upgrade_ram_quota(size_t ram_quota);
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/***************************
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** CPU session interface **
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***************************/
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Thread_capability create_thread(Pd_session_capability pd,
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Name const &,
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Affinity::Location,
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Weight,
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addr_t) override;
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void kill_thread(Thread_capability) override;
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void exception_sigh(Signal_context_capability handler) override;
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Affinity::Space affinity_space() const override;
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Dataspace_capability trace_control() override;
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int ref_account(Cpu_session_capability c) override;
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int transfer_quota(Cpu_session_capability c, size_t q) override;
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Quota quota() override;
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Capability<Cpu_session::Native_cpu> native_cpu() override;
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};
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#endif /* _CPU_SESSION_COMPONENT_H_ */
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