/usr/lib/ruby/vendor_ruby/childprocess/windows/io.rb is in ruby-childprocess 0.5.9-1ubuntu1.
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 | module ChildProcess
module Windows
class IO < AbstractIO
private
def check_type(io)
return if has_fileno?(io)
return if has_to_io?(io)
raise ArgumentError, "#{io.inspect}:#{io.class} must have :fileno or :to_io"
end
def has_fileno?(io)
io.respond_to?(:fileno) && io.fileno
end
def has_to_io?(io)
io.respond_to?(:to_io) && io.to_io.kind_of?(::IO)
end
end # IO
end # Windows
end # ChildProcess
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