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ca971bbfd8
This patch changes the top-level directory layout as a preparatory step for improving the tools for managing 3rd-party source codes. The rationale is described in the issue referenced below. Issue #1082
101 lines
1.7 KiB
C++
101 lines
1.7 KiB
C++
/*
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* \brief Buffer for storing decoded characters
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* \author Norman Feske
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* \date 2011-06-06
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*/
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/*
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* Copyright (C) 2011-2013 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 _TERMINAL__READ_BUFFER_H_
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#define _TERMINAL__READ_BUFFER_H_
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#include <os/ring_buffer.h>
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#include <base/signal.h>
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namespace Terminal {
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class Read_buffer;
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enum { READ_BUFFER_SIZE = 4096 };
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}
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class Terminal::Read_buffer : public Ring_buffer<unsigned char, READ_BUFFER_SIZE>
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{
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private:
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Genode::Signal_context_capability _sigh_cap;
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public:
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/**
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* Register signal handler for read-avail signals
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*/
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void sigh(Genode::Signal_context_capability cap)
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{
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_sigh_cap = cap;
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}
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/**
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* Add element into read buffer and emit signal
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*/
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void add(unsigned char c)
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{
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Ring_buffer<unsigned char, READ_BUFFER_SIZE>::add(c);
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if (_sigh_cap.valid())
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Genode::Signal_transmitter(_sigh_cap).submit();
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}
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void add(char const *str)
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{
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while (*str)
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add(*str++);
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}
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};
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enum { READ_BUFFER_SIZE = 4096 };
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class Read_buffer : public Ring_buffer<unsigned char, READ_BUFFER_SIZE>
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{
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private:
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Genode::Signal_context_capability _sigh_cap;
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public:
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/**
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* Register signal handler for read-avail signals
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*/
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void sigh(Genode::Signal_context_capability cap)
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{
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_sigh_cap = cap;
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}
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/**
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* Add element into read buffer and emit signal
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*/
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void add(unsigned char c)
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{
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Ring_buffer<unsigned char, READ_BUFFER_SIZE>::add(c);
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if (_sigh_cap.valid())
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Genode::Signal_transmitter(_sigh_cap).submit();
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}
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void add(char const *str)
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{
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while (*str)
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add(*str++);
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}
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};
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#endif /* _TERMINAL__READ_BUFFER_H_ */
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