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60 lines
1.5 KiB
C++
60 lines
1.5 KiB
C++
/*******************************************************************************
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Copyright(C) Jonas 'Sortie' Termansen 2011, 2012.
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This file is part of Sortix.
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Sortix is free software: you can redistribute it and/or modify it under the
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terms of the GNU General Public License as published by the Free Software
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Foundation, either version 3 of the License, or (at your option) any later
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version.
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Sortix is distributed in the hope that it will be useful, but WITHOUT ANY
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WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
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FOR A PARTICULAR PURPOSE. See the GNU General Public License for more
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details.
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You should have received a copy of the GNU General Public License along with
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Sortix. If not, see <http://www.gnu.org/licenses/>.
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device.h
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A base class for all devices.
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*******************************************************************************/
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#ifndef SORTIX_DEVICE_H
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#define SORTIX_DEVICE_H
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#include <sortix/kernel/kthread.h>
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namespace Sortix
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{
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class Device
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{
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public:
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static const unsigned STREAM = 0;
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static const unsigned BUFFER = 1;
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static const unsigned VGABUFFER = 2;
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static const unsigned FILESYSTEM = 3;
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static const unsigned DIRECTORY = 4;
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static const unsigned TERMINAL = 5;
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public:
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Device();
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virtual ~Device();
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private:
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kthread_mutex_t refcountlock;
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size_t refcount;
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public:
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void Refer();
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void Unref();
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public:
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virtual bool IsType(unsigned type) const = 0;
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};
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}
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#endif
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