vault backup: 2025-03-10 08:49:43

.obsidian/workspace.json

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Concurrent Systems/notes/3.md

@@ -91,3 +91,19 @@ X.fetch&add(v) :=
 	return tmp
 ```
 
+###### How do we use it for MUTEX?
+```
+Initialize TICKET and NEXT at 0
+
+lock() :=
+	my_ticket <- TICKET.fetch&add(1)
+	wait my_ticket = NEXT
+	return
+
+unlock() :=
+	NEXT <- NEXT + 1
+	return
+```
+
+>[!info} It is bounded bypass with bound n-1
+