first comit

venv/lib/python3.10/site-packages/ipykernel/control.py

@@ -0,0 +1,32 @@
+"""A thread for a control channel."""
+from threading import Thread
+
+from tornado.ioloop import IOLoop
+
+CONTROL_THREAD_NAME = "Control"
+
+
+class ControlThread(Thread):
+    """A thread for a control channel."""
+
+    def __init__(self, **kwargs):
+        """Initialize the thread."""
+        Thread.__init__(self, name=CONTROL_THREAD_NAME, **kwargs)
+        self.io_loop = IOLoop(make_current=False)
+        self.pydev_do_not_trace = True
+        self.is_pydev_daemon_thread = True
+
+    def run(self):
+        """Run the thread."""
+        self.name = CONTROL_THREAD_NAME
+        try:
+            self.io_loop.start()
+        finally:
+            self.io_loop.close()
+
+    def stop(self):
+        """Stop the thread.
+
+        This method is threadsafe.
+        """
+        self.io_loop.add_callback(self.io_loop.stop)