76 lines
2.5 KiB
C++
76 lines
2.5 KiB
C++
/*
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Copyright (c) 2010-2016, Arvid Norberg
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All rights reserved.
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Redistribution and use in source and binary forms, with or without
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modification, are permitted provided that the following conditions
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are met:
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* Redistributions of source code must retain the above copyright
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notice, this list of conditions and the following disclaimer.
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* Redistributions in binary form must reproduce the above copyright
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notice, this list of conditions and the following disclaimer in
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the documentation and/or other materials provided with the distribution.
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* Neither the name of the author nor the names of its
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contributors may be used to endorse or promote products derived
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from this software without specific prior written permission.
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THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
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AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
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LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
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SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
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CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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POSSIBILITY OF SUCH DAMAGE.
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*/
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#ifndef TORRENT_DISK_JOB_POOL
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#define TORRENT_DISK_JOB_POOL
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#include "libtorrent/config.hpp"
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#include "libtorrent/disk_io_job.hpp" // for job_action_t
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#include <mutex>
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#include "libtorrent/aux_/disable_warnings_push.hpp"
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#include <boost/pool/pool.hpp>
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#include "libtorrent/aux_/disable_warnings_pop.hpp"
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namespace libtorrent {
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struct disk_io_job;
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struct TORRENT_EXTRA_EXPORT disk_job_pool
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{
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disk_job_pool();
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~disk_job_pool();
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disk_io_job* allocate_job(job_action_t type);
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void free_job(disk_io_job* j);
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void free_jobs(disk_io_job** j, int num);
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int jobs_in_use() const { return m_jobs_in_use; }
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int read_jobs_in_use() const { return m_read_jobs; }
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int write_jobs_in_use() const { return m_write_jobs; }
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private:
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// total number of in-use jobs
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int m_jobs_in_use;
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// total number of in-use read jobs
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int m_read_jobs;
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// total number of in-use write jobs
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int m_write_jobs;
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std::mutex m_job_mutex;
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boost::pool<> m_job_pool;
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};
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}
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#endif // TORRENT_DISK_JOB_POOL
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