Sha256: cb80c00e3ca4cfc17ebf96dbd55d604855e9d4982bc8e1061b44cf7bf2a221a5
Contents?: true
Size: 1.11 KB
Versions: 26
Compression:
Stored size: 1.11 KB
Contents
module Ragweed
class Device
def initialize(path, options={})
@path = path
@options = options
@h = Ragweed::Wrap32::create_file(@path, :flags => Ragweed::Wrap32::FileAttributes::OVERLAPPED|Ragweed::Wrap32::FileAttributes::NORMAL)
end
def ioctl(code, inbuf, outbuf)
overlap(lambda do |o|
Ragweed::Wrap32::device_io_control(@h, code, inbuf, outbuf, o)
end) do |ret, count|
outbuf[0..count]
end
end
def read(sz)
overlap(lambda do |o|
Ragweed::Wrap32::read_file(@h, sz, o)
end) do |ret, count|
ret[0..count]
end
end
def write(buf)
overlap(lambda do |o|
Ragweed::Wrap32::write_file(@h, buf, o)
end) do |ret, count|
count
end
end
def release
Ragweed::Wrap32::close_handle(@h)
@h = nil
end
private
def overlap(proc)
o = Ragweed::Wrap32::Overlapped.get
ret = proc.call(o)
count = o.wait(@h)
r = yield ret, count
o.release
ret = r if r
end
end
end
Version data entries
26 entries across 26 versions & 2 rubygems