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include
stxxl
bits
io
request_queue.h
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/***************************************************************************
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* include/stxxl/bits/io/request_queue.h
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*
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* Part of the STXXL. See http://stxxl.sourceforge.net
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*
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* Copyright (C) 2009 Andreas Beckmann <beckmann@cs.uni-frankfurt.de>
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* Copyright (C) 2011 Johannes Singler <singler@ira.uka.de>
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*
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* Distributed under the Boost Software License, Version 1.0.
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* (See accompanying file LICENSE_1_0.txt or copy at
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* http://www.boost.org/LICENSE_1_0.txt)
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**************************************************************************/
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#ifndef STXXL_IO_REQUEST_QUEUE_HEADER
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#define STXXL_IO_REQUEST_QUEUE_HEADER
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#include <stxxl/bits/noncopyable.h>
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#include <stxxl/bits/io/request_ptr.h>
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__STXXL_BEGIN_NAMESPACE
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class
request_queue :
private
noncopyable
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{
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public
:
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enum
priority_op { READ, WRITE, NONE };
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public
:
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virtual
void
add_request(
request_ptr
& req) = 0;
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virtual
bool
cancel_request(
request_ptr
& req) = 0;
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virtual
~request_queue() { }
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virtual
void
set_priority_op(priority_op p) { STXXL_UNUSED(p); }
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};
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__STXXL_END_NAMESPACE
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#endif // !STXXL_IO_REQUEST_QUEUE_HEADER
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