Event loop examples
-===================
+-------------------
.. _asyncio-hello-world-callback:
Hello World with call_soon()
-----------------------------
+^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Example using the :meth:`BaseEventLoop.call_soon` method to schedule a
callback. The callback displays ``"Hello World"`` and then stops the event
.. _asyncio-date-callback:
Display the current date with call_later()
-------------------------------------------
+^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Example of callback displaying the current date every second. The callback uses
the :meth:`BaseEventLoop.call_later` method to reschedule itself during 5
.. _asyncio-watch-read-event:
Watch a file descriptor for read events
----------------------------------------
+^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Wait until a file descriptor received some data using the
:meth:`BaseEventLoop.add_reader` method and then close the event loop::
Set signal handlers for SIGINT and SIGTERM
-------------------------------------------
+^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Register handlers for signals :py:data:`SIGINT` and :py:data:`SIGTERM` using
the :meth:`BaseEventLoop.add_signal_handler` method::