/usr/include/libtorrent/disk_buffer_pool.hpp is in libtorrent-rasterbar-dev 0.16.18-1.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 | /*
Copyright (c) 2007-2011, Arvid Norberg
All rights reserved.
Redistribution and use in source and binary forms, with or without
modification, are permitted provided that the following conditions
are met:
* Redistributions of source code must retain the above copyright
notice, this list of conditions and the following disclaimer.
* Redistributions in binary form must reproduce the above copyright
notice, this list of conditions and the following disclaimer in
the documentation and/or other materials provided with the distribution.
* Neither the name of the author nor the names of its
contributors may be used to endorse or promote products derived
from this software without specific prior written permission.
THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
POSSIBILITY OF SUCH DAMAGE.
*/
#ifndef TORRENT_DISK_BUFFER_POOL
#define TORRENT_DISK_BUFFER_POOL
#include <boost/utility.hpp>
#include "libtorrent/config.hpp"
#include "libtorrent/thread.hpp"
#include "libtorrent/session_settings.hpp"
#include "libtorrent/allocator.hpp"
#ifdef TORRENT_DISK_STATS
#include <fstream>
#endif
#if defined TORRENT_DEBUG || TORRENT_RELEASE_ASSERTS || TORRENT_DISK_STATS
#include <map>
#endif
namespace libtorrent
{
struct TORRENT_EXTRA_EXPORT disk_buffer_pool : boost::noncopyable
{
disk_buffer_pool(int block_size);
#if defined TORRENT_DEBUG || TORRENT_RELEASE_ASSERTS
~disk_buffer_pool();
#endif
#if defined TORRENT_DEBUG || TORRENT_RELEASE_ASSERTS || defined TORRENT_DISK_STATS
bool is_disk_buffer(char* buffer
, mutex::scoped_lock& l) const;
bool is_disk_buffer(char* buffer) const;
#endif
char* allocate_buffer(char const* category);
void free_buffer(char* buf);
void free_multiple_buffers(char** bufvec, int numbufs);
int block_size() const { return m_block_size; }
#ifdef TORRENT_STATS
int disk_allocations() const
{ return m_allocations; }
#endif
#ifdef TORRENT_DISK_STATS
std::ofstream m_disk_access_log;
#endif
void release_memory();
int in_use() const { return m_in_use; }
protected:
void free_buffer_impl(char* buf, mutex::scoped_lock& l);
// number of bytes per block. The BitTorrent
// protocol defines the block size to 16 KiB.
const int m_block_size;
// number of disk buffers currently allocated
int m_in_use;
session_settings m_settings;
private:
mutable mutex m_pool_mutex;
#if defined TORRENT_DISK_STATS || defined TORRENT_STATS
int m_allocations;
#endif
#ifdef TORRENT_DISK_STATS
public:
void rename_buffer(char* buf, char const* category);
protected:
std::map<std::string, int> m_categories;
std::map<char*, std::string> m_buf_to_category;
std::ofstream m_log;
private:
#endif
#if defined TORRENT_DEBUG || TORRENT_RELEASE_ASSERTS
int m_magic;
#endif
};
}
#endif // TORRENT_DISK_BUFFER_POOL
|