Index: Lib/subprocess.py
===================================================================
--- Lib/subprocess.py	(revision 60725)
+++ Lib/subprocess.py	(working copy)
@@ -1080,6 +1080,12 @@
             if data != "":
                 os.waitpid(self.pid, 0)
                 child_exception = pickle.loads(data)
+                if p2cwrite is not None:
+                    os.close(p2cwrite)
+                if c2pread is not None:
+                    os.close(c2pread)
+                if errread is not None:
+                    os.close(errread)
                 raise child_exception