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require File.expand_path('../../../spec_helper', __FILE__)
describe "Process.ppid" do
with_feature :fork do
it "returns the process id of the parent of this process" do
read, write = IO.pipe
child_pid = Process.fork {
read.close
write << "#{Process.ppid}\n"
write.close
exit!
}
write.close
pid = read.gets
read.close
Process.wait(child_pid)
pid.to_i.should == Process.pid
end
end
end
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