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support disk I/O priority setting

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This commit is contained in:
Arvid Norberg
2010-01-23 03:02:32 +00:00
parent 9e98bfd204
commit a046850130
12 changed files with 82 additions and 8 deletions
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17
src/file_pool.cpp
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@@ -80,6 +80,15 @@ namespace libtorrent
m_files.erase(i);
return boost::shared_ptr<file>();
}
#ifdef TORRENT_WINDOWS
if (m_low_prio_io)
{
FILE_IO_PRIORITY_HINT_INFO priorityHint;
priorityHint.PriorityHint = IoPriorityHintLow;
result = SetFileInformationByHandle(e.file_ptr->native_handle(),
FileIoPriorityHintInfo, &priorityHint, sizeof(PriorityHint));
}
#endif
TORRENT_ASSERT(e.file_ptr->is_open());
e.mode = m;
}
@@ -126,10 +135,16 @@ namespace libtorrent
if (i != m_files.end()) m_files.erase(i);
}
// closes files belonging to the specified
// storage. If 0 is passed, all files are closed
void file_pool::release(void* st)
{
mutex::scoped_lock l(m_mutex);
TORRENT_ASSERT(st != 0);
if (st == 0)
{
m_files.clear();
return;
}
for (file_set::iterator i = m_files.begin();
i != m_files.end();)