Displaying 1 result from an estimated 1 matches for "sysbuf".
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stsbuf
2007 Oct 09
5
Playing with ReadFileScatter()
...file,
GENERIC_READ,
FILE_SHARE_READ,
nil,
OPEN_EXISTING,
FILE_FLAG_OVERLAPPED | FILE_FLAG_NO_BUFFERING,
nil
)
if handle == INVALID_HANDLE_VALUE
raise SystemCallError.new(GetLastError())
end
sysbuf = 0.chr * 40
GetSystemInfo(sysbuf)
page_size = sysbuf[8,4].unpack(''L'')[0] # dwPageSize
file_size = File.size(file)
# FILE_SEGMENT_ELEMENT
fse_struct = (0.chr * page_size) + (0.chr * 8) # Buffer + Align.
seg_array = (0.chr * (file_size...