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updated disk IO to support unbuffered files

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This commit is contained in:
Arvid Norberg
2009-01-11 02:02:34 +00:00
parent 20a0593fa3
commit 7592ad4aee
14 changed files with 785 additions and 306 deletions
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25
src/disk_buffer_holder.cpp
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@@ -38,21 +38,32 @@ namespace libtorrent
{
disk_buffer_holder::disk_buffer_holder(aux::session_impl& ses, char* buf)
: m_iothread(ses.m_disk_thread), m_buf(buf)
: m_iothread(ses.m_disk_thread), m_buf(buf), m_num_blocks(1)
{
TORRENT_ASSERT(buf == 0 || m_iothread.is_disk_buffer(buf));
}
disk_buffer_holder::disk_buffer_holder(disk_io_thread& iothread, char* buf)
: m_iothread(iothread), m_buf(buf)
: m_iothread(iothread), m_buf(buf), m_num_blocks(1)
{
TORRENT_ASSERT(buf == 0 || m_iothread.is_disk_buffer(buf));
}
void disk_buffer_holder::reset(char* buf)
disk_buffer_holder::disk_buffer_holder(disk_io_thread& iothread, char* buf, int num_blocks)
: m_iothread(iothread), m_buf(buf), m_num_blocks(num_blocks)
{
if (m_buf) m_iothread.free_buffer(m_buf);
TORRENT_ASSERT(buf == 0 || m_iothread.is_disk_buffer(buf));
}
void disk_buffer_holder::reset(char* buf, int num_blocks)
{
if (m_buf)
{
if (m_num_blocks == 1) m_iothread.free_buffer(m_buf);
else m_iothread.free_buffers(m_buf, m_num_blocks);
}
m_buf = buf;
m_num_blocks = num_blocks;
}
char* disk_buffer_holder::release()
@@ -64,7 +75,11 @@ namespace libtorrent
disk_buffer_holder::~disk_buffer_holder()
{
if (m_buf) m_iothread.free_buffer(m_buf);
if (m_buf)
{
if (m_num_blocks == 1) m_iothread.free_buffer(m_buf);
else m_iothread.free_buffers(m_buf, m_num_blocks);
}
}
}