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require 'jruby/vm'
VM = JRuby::VM
ID = JRuby::VM_ID
# get the VM id of the parent
parent = VM.get_message
# get the VM id we're sending to
other = VM.get_message
VM.send_message(parent,
"VM #{ID} starting up, sibling is: #{other}, parent is: #{parent}")
# loop until we receive nil, adding one and sending on
while message = VM.get_message
break if message == "done"
sleep 0.5
new_message = message + 1
VM.send_message(parent,
"VM #{JRuby::VM_ID} received: #{message}, sending #{new_message}")
VM.send_message(other, message + 1)
end
VM.send_message(parent,
"VM #{JRuby::VM_ID} terminating")
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