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(* 02110-1301 USA                                                     *)
(** This file contains the description of the abstract machine: - its state - its transitions - its messages  *)
(** Changes with respect to machine1: -  Init_receive_table true for owner. -  access  only requires receive_table to be true. -  make_copy transition can send a gp to its owner. -  receive_copy3 can only be fired if s1 and s2 are not the owner.  *)
Require Export abstract_machine.
Unset Standard Proposition Elimination Names.
(**********************************************************************  MESSAGES  **********************************************************************)
Section MESSAGES.
Inductive Message : Set :=
| dec : Message
| inc_dec : Site -> Message
| copy : Message.

Theorem eq_message_dec : eq_dec Message.
End MESSAGES.