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opt
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alt
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ruby18
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lib64
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ruby
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1.8
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io
nonblock.rb
require "fcntl" class IO def nonblock? (fcntl(Fcntl::F_GETFL) & File::NONBLOCK) != 0 end def nonblock=(nb) f = fcntl(Fcntl::F_GETFL) if nb f |= File::NONBLOCK else f &= ~File::NONBLOCK end fcntl(Fcntl::F_SETFL, f) end def nonblock(nb = true) nb, self.nonblock = nonblock?, nb yield ensure self.nonblock = nb end end if defined?(Fcntl::F_GETFL)
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