92 lines
2.0 KiB
C++
92 lines
2.0 KiB
C++
/*
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* \brief Environment of a component
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* \author Norman Feske
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* \date 2006-07-01
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*/
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/*
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* Copyright (C) 2006-2013 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 _INCLUDE__BASE__ENV_H_
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#define _INCLUDE__BASE__ENV_H_
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#include <parent/capability.h>
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#include <parent/parent.h>
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#include <rm_session/rm_session.h>
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#include <ram_session/ram_session.h>
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#include <cpu_session/cpu_session.h>
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#include <cpu_session/capability.h>
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#include <pd_session/pd_session.h>
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#include <base/allocator.h>
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#include <base/snprintf.h>
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#include <base/lock.h>
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namespace Genode {
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struct Env;
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/**
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* Return the interface to the component's environment
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*/
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extern Env *env();
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}
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/**
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* Component runtime environment
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*
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* The environment of a Genode component is defined by its parent. The 'Env'
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* class allows the component to interact with its environment. It is
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* initialized at the startup of the component.
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*/
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struct Genode::Env
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{
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virtual ~Env() { }
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/**
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* Communication channel to our parent
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*/
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virtual Parent *parent() = 0;
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/**
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* RAM session of the component
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*
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* The RAM Session represents a budget of memory (quota) that is
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* available to the component. This budget can be used to allocate
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* RAM dataspaces.
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*/
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virtual Ram_session *ram_session() = 0;
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virtual Ram_session_capability ram_session_cap() = 0;
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/**
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* CPU session of the component
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*
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* This session is used to create the threads of the component.
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*/
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virtual Cpu_session *cpu_session() = 0;
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virtual Cpu_session_capability cpu_session_cap() = 0;
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/**
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* Region-manager session of the component as created by the parent
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*/
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virtual Rm_session *rm_session() = 0;
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/**
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* PD session of the component as created by the parent
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*/
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virtual Pd_session *pd_session() = 0;
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/**
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* Heap backed by the RAM session of the environment
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*/
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virtual Allocator *heap() = 0;
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};
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#endif /* _INCLUDE__BASE__ENV_H_ */
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