cpython (merge default -> default): Merge heads
http://hg.python.org/cpython/rev/0eec47f9f8a1 changeset: 88770:0eec47f9f8a1 parent: 88769:1aa8ea187560 parent: 88768:b128387df61d user: Serhiy Storchaka <storchaka@gmail.com> date: Mon Jan 27 11:17:48 2014 +0200 summary: Merge heads files: Doc/library/asyncio-eventloop.rst | 47 +++++++++++++++++++ 1 files changed, 47 insertions(+), 0 deletions(-) diff --git a/Doc/library/asyncio-eventloop.rst b/Doc/library/asyncio-eventloop.rst --- a/Doc/library/asyncio-eventloop.rst +++ b/Doc/library/asyncio-eventloop.rst @@ -325,6 +325,29 @@ This method returns a :ref:`coroutine object <coroutine>`. +UNIX signals +------------ + +Availability: UNIX only. + +.. method:: BaseEventLoop.add_signal_handler(signum, callback, \*args) + + Add a handler for a signal. + + Raise :exc:`ValueError` if the signal number is invalid or uncatchable. + Raise :exc:`RuntimeError` if there is a problem setting up the handler. + +.. method:: BaseEventLoop.remove_signal_handler(sig) + + Remove a handler for a signal. + + Return ``True`` if a signal handler was removed, ``False`` if not. + +.. seealso:: + + The :mod:`signal` module. + + Executor -------- @@ -381,3 +404,27 @@ :ref:`Hello World example using a coroutine <asyncio-hello-world-coroutine>`. + +Example: Set signal handlers for SIGINT and SIGTERM +--------------------------------------------------- + +Register handlers for signals :py:data:`SIGINT` and :py:data:`SIGTERM`:: + + import asyncio + import functools + import os + import signal + + def ask_exit(signame): + print("got signal %s: exit" % signame) + loop.stop() + + loop = asyncio.get_event_loop() + for signame in ('SIGINT', 'SIGTERM'): + loop.add_signal_handler(getattr(signal, signame), + functools.partial(ask_exit, signame)) + + print("Event loop running forever, press CTRL+c to interrupt.") + print("pid %s: send SIGINT or SIGTERM to exit." % os.getpid()) + loop.run_forever() + -- Repository URL: http://hg.python.org/cpython
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