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vault backup: 2025-04-02 12:41:12

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Marco Realacci 2025-04-02 12:41:12 +02:00
parent 6cb83329cc
commit 7011c59752
2 changed files with 3 additions and 24 deletions
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21
Concurrent Systems/notes/3a - Hardware primitives & Lamport Bakery algorithm.md
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@ -141,27 +141,6 @@ lock(i) :=
unlock(i) :=
MY_TURN[i] <- 0
lock(i) :=
FLAG[i] <- up
max_turn <- max{MY_TURN[1],...,MY_TURN[n]}
if max_turn > 2n then
MY_TURN[i] = 1
else
MY_TURN[i] = max_turn + 1
FLAG[i] <- down
forall j != i
wait FLAG[j] = down
wait (MY_TURN[j] = 0 OR ⟨MY_TURN[i],i⟩ < ⟨MY_TURN[j],j⟩)
unlock(i) :=
MY_TURN[i] <- 0
```
Se il ticket number è minore si ottiene l'accesso, se il ticket number è uguale, allora si vede il process ID minore.