Use Synchronization Mutext instead of storage class

Author: mattt

Sources/AnyLanguageModel/Models/LlamaLanguageModel.swift

@@ -1,33 +1,17 @@
 import Foundation
+import Synchronization
 
 #if Llama
     import Llama
 
-    private final class LogLevelStorage: @unchecked Sendable {
-        private let lock = NSLock()
-        private var state = LlamaLanguageModel.LogLevel.warn
-
-        func get() -> LlamaLanguageModel.LogLevel {
-            lock.lock()
-            defer { lock.unlock() }
-            return state
-        }
-
-        func set(_ newValue: LlamaLanguageModel.LogLevel) {
-            lock.lock()
-            state = newValue
-            lock.unlock()
-        }
-    }
-
-    private let logLevelStorage = LogLevelStorage()
+    private let logLevelStorage = Mutex(LlamaLanguageModel.LogLevel.warn)
 
     private func getLogLevel() -> LlamaLanguageModel.LogLevel {
-        logLevelStorage.get()
+        logLevelStorage.withLock { $0 }
     }
 
     private func setLogLevel(_ level: LlamaLanguageModel.LogLevel) {
-        logLevelStorage.set(level)
+        logLevelStorage.withLock { $0 = level }
         llama_log_set(llamaLogCallback, nil)
     }