class Aruba::Processes::InProcess::FakeKernel

def exit(exitstatus)
  @exitstatus =
    case exitstatus
    when Numeric then Integer(exitstatus)
    when TrueClass then 0
    when FalseClass then 1
    else raise TypeError, "no implicit conversion of #{exitstatus.class} into Integer"
    end
end

def initialize
  @exitstatus = 0
end