From d5c8ce7cc03d81402b2fcdc023fb6ea44ac70f25 Mon Sep 17 00:00:00 2001
From: Victor Stinner <victor.stinner@gmail.com>
Date: Tue, 18 Feb 2014 22:00:53 +0100
Subject: Issue #19612: On Windows, subprocess.Popen.communicate() now ignores
 OSError(22, 'Invalid argument') when writing input data into stdin, whereas
 the process already exited.

---
 Lib/subprocess.py | 10 +++++++++-
 1 file changed, 9 insertions(+), 1 deletion(-)

(limited to 'Lib/subprocess.py')

diff --git a/Lib/subprocess.py b/Lib/subprocess.py
index d75a4e0404..86592a111d 100644
--- a/Lib/subprocess.py
+++ b/Lib/subprocess.py
@@ -1193,7 +1193,15 @@ class Popen(object):
                     try:
                         self.stdin.write(input)
                     except IOError as e:
-                        if e.errno != errno.EPIPE:
+                        if e.errno == errno.EPIPE:
+                            # ignore pipe full error
+                            pass
+                        elif (e.errno == errno.EINVAL
+                              and self.poll() is not None):
+                            # Issue #19612: stdin.write() fails with EINVAL
+                            # if the process already exited before the write
+                            pass
+                        else:
                             raise
                 self.stdin.close()
 
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