From: Victor Stinner <victor.stinner@gmail.com>
Date: Mon, 26 Jan 2015 14:03:44 +0000 (+0100)
Subject: asyncio: PipeHandle.fileno() now raises an exception if the pipe is closed
X-Git-Tag: v3.4.3rc1~76
X-Git-Url: https://granicus.if.org/sourcecode?a=commitdiff_plain;h=2a3f38fd299c09be89a7872ccd15c4aedd5fc145;p=python

asyncio: PipeHandle.fileno() now raises an exception if the pipe is closed
---

diff --git a/Lib/asyncio/windows_utils.py b/Lib/asyncio/windows_utils.py
index e6642960db..5f8327eba6 100644
--- a/Lib/asyncio/windows_utils.py
+++ b/Lib/asyncio/windows_utils.py
@@ -147,6 +147,8 @@ class PipeHandle:
         return self._handle
 
     def fileno(self):
+        if self._handle is None:
+            raise ValueError("I/O operatioon on closed pipe")
         return self._handle
 
     def close(self, *, CloseHandle=_winapi.CloseHandle):