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