[Python-checkins] cpython (merge default -> default): Merge heads
serhiy.storchaka
python-checkins at python.org
Mon Jan 27 10:33:40 CET 2014
http://hg.python.org/cpython/rev/0eec47f9f8a1
changeset: 88770:0eec47f9f8a1
parent: 88769:1aa8ea187560
parent: 88768:b128387df61d
user: Serhiy Storchaka <storchaka at 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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