Module: ChildProcess::JRuby

Defined in:
lib/childprocess/jruby/io.rb,
lib/childprocess/jruby/pump.rb,
lib/childprocess/jruby/process.rb,
lib/childprocess/jruby.rb

Defined Under Namespace

Classes: IO, Process, Pump

Class Method Summary collapse

Class Method Details

.posix_fileno_for(obj) ⇒ Object


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# File 'lib/childprocess/jruby.rb', line 18

def self.posix_fileno_for(obj)
  channel = ::JRuby.reference(obj).channel
  begin
    channel.getFDVal
  rescue NoMethodError
    fileno = channel.fd
    if fileno.kind_of?(Java::JavaIo::FileDescriptor)
      fileno = fileno.fd
    end

    fileno == -1 ? obj.fileno : fileno
  end
rescue
  # fall back
  obj.fileno
end

.windows_handle_for(obj) ⇒ Object


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# File 'lib/childprocess/jruby.rb', line 35

def self.windows_handle_for(obj)
  channel = ::JRuby.reference(obj).channel
  fileno = obj.fileno

  begin
    fileno = channel.getFDVal
  rescue NoMethodError
    fileno = channel.fd if channel.respond_to?(:fd)
  end

  if fileno.kind_of? Java::JavaIo::FileDescriptor
    fileno.handle
  else
    Windows::Lib.handle_for fileno
  end
end