bpo-32351: Use fastpath in asyncio.sleep if delay<0 (#4908)

* Use fastpath in asyncio.sleep if delay<0 * Add NEWS entry

bpo-32351: Use fastpath in asyncio.sleep if delay<0 (#4908)
* Use fastpath in asyncio.sleep if delay<0 * Add NEWS entry
5382c050 · Andrew Svetlov · GitHub · 44d1a591 · 5382c050 · 5382c050
Unverified Kaydet (Commit) 5382c050 authored Ara 17, 2017 tarafından Andrew Svetlov Kaydeden (comit) GitHub Ara 17, 2017
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tasks.py Lib/asyncio/tasks.py +1 -1

2017-12-17-14-23-23.bpo-32351.95fh2K.rst ...S.d/next/Library/2017-12-17-14-23-23.bpo-32351.95fh2K.rst +1 -0

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--- a/Lib/asyncio/tasks.py
+++ b/Lib/asyncio/tasks.py
@@ -503,7 +503,7 @@ def __sleep0():

 async def sleep(delay, result=None, *, loop=None):
    """Coroutine that completes after a given time (in seconds)."""
-    if delay == 0:
+    if delay <= 0:
        await __sleep0()
        return result


--- a/Misc/NEWS.d/next/Library/2017-12-17-14-23-23.bpo-32351.95fh2K.rst
+++ b/Misc/NEWS.d/next/Library/2017-12-17-14-23-23.bpo-32351.95fh2K.rst
+Use fastpath in asyncio.sleep if delay<0 (2x boost)