实现单例任务，可推送新任务功能，垃圾回收功能。

SingletonThreadPool.py

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+import _thread
+import time
+import gc
+
+class SingletonThreadPool:
+    _instance = None
+
+    def __new__(cls):
+        if not cls._instance:
+            pool_size = 2
+            cls._instance = super().__new__(cls)
+            cls._instance.pool_size = pool_size
+            cls._instance.task_queue = []
+            cls._instance.pool_lock = _thread.allocate_lock()
+            # 创建线程池
+            for _ in range(pool_size):
+                _thread.start_new_thread(cls._instance.worker, ())
+        return cls._instance
+
+    def worker(self):
+        while True:
+            self.pool_lock.acquire()
+            if self.task_queue:
+                task, args = self.task_queue.pop(0)
+                self.pool_lock.release()
+                try:
+                    task(*args)
+                    gc.collect()
+                except Exception as e:
+                    print(f"Task execution error: {e}")
+            else:
+                self.pool_lock.release()
+                time.sleep(0.1)
+
+    def add_task(self, task, *args):
+        self.pool_lock.acquire()
+        self.task_queue.append((task, args))
+        self.pool_lock.release()
+        
+        
+