From c3828075598ca775555b29b78e67d3fa8e856c00 Mon Sep 17 00:00:00 2001
From: Victor Stinner <victor.stinner@gmail.com>
Date: Tue, 29 Jul 2014 00:04:54 +0200
Subject: Issue #19612: subprocess.communicate() now also ignores EINVAL when
 using at least two pipes.

---
 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 ce47b5e9ad..f9e9104d45 100644
--- a/Lib/subprocess.py
+++ b/Lib/subprocess.py
@@ -1035,7 +1035,15 @@ class Popen(object):
                     try:
                         self.stdin.write(input)
                     except IOError as e:
-                        if e.errno != errno.EPIPE:
+                        if e.errno == errno.EPIPE:
+                            # communicate() should ignore broken pipe 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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