添加线程锁工具

src/main/kotlin/top/jie65535/jcf/util/LockUtil.kt

@@ -0,0 +1,19 @@
+package top.jie65535.jcf.util
+
+import java.util.concurrent.locks.Lock
+import java.util.concurrent.locks.ReentrantLock
+
+/**
+ * 线程锁工具
+ */
+class LockUtil<out T>(val state: T, val lock: Lock = ReentrantLock()) {
+
+    inline fun <R> withLock(fn: T.()->R): R {
+        try {
+            lock.lock()
+            return fn(state)
+        } finally {
+            lock.unlock()
+        }
+    }
+}