genode/repos/base-foc/include/foc/receive_window.h

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/*
* \brief Receive window for capability selectors
* \author Norman Feske
* \date 2016-03-22
*/
/*
* Copyright (C) 2016 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 _INCLUDE__FOC__RECEIVE_WINDOW_H_
#define _INCLUDE__FOC__RECEIVE_WINDOW_H_
/* Genode includes */
#include <base/stdint.h>
#include <base/ipc_msgbuf.h>
namespace Genode { struct Receive_window; }
class Genode::Receive_window
{
private:
/**
* Base of capability receive window.
*/
Native_capability::Data * _rcv_idx_base = nullptr;
enum { MAX_CAPS_PER_MSG = Msgbuf_base::MAX_CAPS_PER_MSG };
public:
Receive_window() { }
~Receive_window();
void init();
/**
* Return address of capability receive window
*/
addr_t rcv_cap_sel_base();
/**
* Return received selector with index i
*
* \return capability selector, or 0 if index is invalid
*/
addr_t rcv_cap_sel(unsigned i);
};
#endif /* _INCLUDE__FOC__RECEIVE_WINDOW_H_ */