disk_queued_file.cpp

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/***************************************************************************
 *  lib/io/disk_queued_file.cpp
 *
 *  Part of the STXXL. See http://stxxl.sourceforge.net
 *
 *  Copyright (C) 2008 Andreas Beckmann <[email protected]>
 *
 *  Distributed under the Boost Software License, Version 1.0.
 *  (See accompanying file LICENSE_1_0.txt or copy at
 *  http://www.boost.org/LICENSE_1_0.txt)
 **************************************************************************/

#include <stxxl/bits/io/disk_queued_file.h>
#include <stxxl/bits/io/disk_queues.h>
#include <stxxl/bits/io/file.h>
#include <stxxl/bits/io/request.h>
#include <stxxl/bits/io/request_interface.h>
#include <stxxl/bits/io/serving_request.h>
#include <stxxl/bits/namespace.h>
#include <stxxl/bits/singleton.h>

STXXL_BEGIN_NAMESPACE

request_ptr disk_queued_file::aread(
    void* buffer,
    offset_type pos,
    size_type bytes,
    const completion_handler& on_cmpl)
{
    request_ptr req(new serving_request(on_cmpl, this, buffer, pos, bytes,
                                        request::READ));

    disk_queues::get_instance()->add_request(req, get_queue_id());

    return req;
}

request_ptr disk_queued_file::awrite(
    void* buffer,
    offset_type pos,
    size_type bytes,
    const completion_handler& on_cmpl)
{
    request_ptr req(new serving_request(on_cmpl, this, buffer, pos, bytes,
                                        request::WRITE));

    disk_queues::get_instance()->add_request(req, get_queue_id());

    return req;
}

STXXL_END_NAMESPACE
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