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Slight improvement

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This commit is contained in:
Nicholas Kariniemi 2015-08-13 22:25:18 +03:00
parent 2736769825
commit bdc78589ea
1 changed files with 9 additions and 4 deletions
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13
csp/sync.csp
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@ -1,7 +1,12 @@
channel input:{0,1,2}
N = 3
channel input, up, save:{0..N-1}
USER(i) = input!i -> USER((i+1)%3)
CLIENT(i) = input?j -> CLIENT(j)
SYSTEM = USER(0) ||| CLIENT(0)
apply(state, patch) = (state + patch) % N
diff(state1, state2) = (state2 - state1) % N
CLIENT(state, shadow) = input?new_state -> up!diff(shadow, new_state) -> CLIENT(new_state, shadow)
SERVER(state, shadow) =
up?patch -> save!apply(state, patch) -> SERVER(apply(state, patch), apply(shadow, patch))
SYSTEM = CLIENT(0, 0) ||| SERVER(0, 0)
assert SYSTEM :[deadlock free [F]]