90 lines
1.9 KiB
C++
90 lines
1.9 KiB
C++
/*
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* \brief Environment of a process
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* \author Norman Feske
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* \date 2006-07-01
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*
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* The environment of a Genode process is defined by its parent and initialized
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* on startup.
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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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class Env
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{
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public:
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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 for the program
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*
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* The RAM Session represents a quota of memory that is
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* available to the program. Quota 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 for the program
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*
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* This session is used to create threads.
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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 program
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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 program
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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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extern Env *env();
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/**
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* Return parent capability
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*
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* Platforms have to implement this function for environment
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* initialization.
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*/
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Parent_capability parent_cap();
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}
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#endif /* _INCLUDE__BASE__ENV_H_ */
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