79 lines
2.3 KiB
Python
79 lines
2.3 KiB
Python
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#!/usr/bin/env python3
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# -*- coding: utf-8 -*-
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"""
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测试退出时所有线程是否正确关闭
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"""
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import threading
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import time
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def check_threads():
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"""检查当前运行的线程"""
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print("=" * 60)
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print("当前活动线程列表:")
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print("=" * 60)
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threads = threading.enumerate()
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print(f"总计线程数: {len(threads)}\n")
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for thread in threads:
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print(f"线程名称: {thread.name}")
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print(f" - 是否 Daemon: {thread.daemon}")
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print(f" - 是否存活: {thread.is_alive()}")
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print(f" - 线程 ID: {thread.ident}")
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print()
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# 检查是否有非 daemon 线程（除了主线程）
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non_daemon_threads = [t for t in threads if not t.daemon and t.name != 'MainThread']
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print("=" * 60)
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if non_daemon_threads:
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print(f"⚠️ 警告: 发现 {len(non_daemon_threads)} 个非 daemon 线程（可能导致程序无法退出）:")
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for thread in non_daemon_threads:
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print(f" - {thread.name} (ID: {thread.ident})")
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else:
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print("✓ 所有非主线程都是 daemon 线程，程序可以正常退出")
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print("=" * 60)
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return threads
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def check_for_polling_threads():
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"""检查是否有轮询相关的线程还在运行"""
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print("\n" + "=" * 60)
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print("检查轮询相关线程:")
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print("=" * 60)
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threads = threading.enumerate()
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polling_threads = []
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keywords = ['poll', 'timer', 'modbus', 'plc', 'mock']
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for thread in threads:
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thread_name_lower = thread.name.lower()
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if any(keyword in thread_name_lower for keyword in keywords):
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polling_threads.append(thread)
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print(f"⚠️ 发现轮询线程: {thread.name}")
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print(f" - Daemon: {thread.daemon}")
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print(f" - 存活: {thread.is_alive()}")
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if not polling_threads:
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print("✓ 未发现轮询相关线程")
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print("=" * 60)
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return polling_threads
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if __name__ == "__main__":
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print("\n程序启动后等待 2 秒...")
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time.sleep(2)
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print("\n第一次检查 (启动后):")
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check_threads()
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check_for_polling_threads()
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print("\n\n提示: 关闭 UI 窗口后再次检查...")
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print("等待 5 秒后再次检查...")
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time.sleep(5)
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print("\n第二次检查 (5秒后):")
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check_threads()
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check_for_polling_threads()
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