From f68f2cf089cfd5ec45863baf59a91d5aeb0cf5c3 Mon Sep 17 00:00:00 2001
From: Mike Gilbert <floppym@gentoo.org>
Date: Sat, 3 Jun 2017 14:53:51 -0400
Subject: [PATCH] test_vterm: handle EINTR when reading from pipe

Fixes: https://github.com/urwid/urwid/issues/230
---
 urwid/tests/test_vterm.py | 12 ++++++++++--
 1 file changed, 10 insertions(+), 2 deletions(-)

diff --git a/urwid/tests/test_vterm.py b/urwid/tests/test_vterm.py
index 4dadfcc..075c653 100644
--- a/urwid/tests/test_vterm.py
+++ b/urwid/tests/test_vterm.py
@@ -18,6 +18,7 @@
 #
 # Urwid web site: http://excess.org/urwid/
 
+import errno
 import os
 import sys
 import unittest
@@ -28,7 +29,6 @@
 from urwid import signals
 from urwid.compat import B
 
-
 class DummyCommand(object):
     QUITSTRING = B('|||quit|||')
 
@@ -41,12 +41,20 @@ def __call__(self):
         stdout.write(B('\x1bc'))
 
         while True:
-            data = os.read(self.reader, 1024)
+            data = self.read(1024)
             if self.QUITSTRING == data:
                 break
             stdout.write(data)
             stdout.flush()
 
+    def read(self, size):
+        while True:
+            try:
+                return os.read(self.reader, size)
+            except OSError as e:
+                if e.errno != errno.EINTR:
+                    raise
+
     def write(self, data):
         os.write(self.writer, data)
 
