genode/base-nova/src/core/include/platform_pd.h

80 lines
1.5 KiB
C++

/*
* \brief Protection-domain facility
* \author Norman Feske
* \date 2009-10-02
*/
/*
* Copyright (C) 2009-2012 Genode Labs GmbH
*
* This file is part of the Genode OS framework, which is distributed
* under the terms of the GNU General Public License version 2.
*/
#ifndef _CORE__INCLUDE__PLATFORM_PD_H_
#define _CORE__INCLUDE__PLATFORM_PD_H_
#include <platform_thread.h>
namespace Genode {
class Platform_thread;
class Platform_pd
{
private:
int _thread_cnt;
Native_capability _parent;
int _id;
int _pd_sel;
public:
/**
* Constructors
*/
Platform_pd(signed pd_id = -1, bool create = true);
/**
* Destructor
*/
~Platform_pd();
/**
* Bind thread to protection domain
*
* \return 0 on success or
* -1 if thread ID allocation failed.
*/
int bind_thread(Platform_thread *thread);
/**
* Unbind thread from protection domain
*
* Free the thread's slot and update thread object.
*/
void unbind_thread(Platform_thread *thread);
/**
* Assign parent interface to protection domain
*/
int assign_parent(Native_capability parent);
/**
* Return portal capability selector for parent interface
*/
int parent_pt_sel() { return _parent.dst(); }
/**
* Assign PD selector to PD
*/
void assign_pd(int pd_sel) { _pd_sel = pd_sel; }
int pd_sel() { return _pd_sel; }
int id() { return _id; }
};
}
#endif /* _CORE__INCLUDE__PLATFORM_PD_H_ */