From: Mike Hommey <mh@glandium.org>
Date: Mon, 27 Dec 2010 10:44:28 +0100
Subject: Add a 2 minutes timeout on xpcshell tests

---
 testing/xpcshell/runxpcshelltests.py | 21 ++++++++++++++++++---
 1 file changed, 18 insertions(+), 3 deletions(-)

diff --git a/testing/xpcshell/runxpcshelltests.py b/testing/xpcshell/runxpcshelltests.py
index 4543309..cf7824b 100755
--- a/testing/xpcshell/runxpcshelltests.py
+++ b/testing/xpcshell/runxpcshelltests.py
@@ -11,6 +11,7 @@ import pipes
 import platform
 import random
 import re
+import select
 import shutil
 import signal
 import subprocess
@@ -882,9 +883,23 @@ class XPCShellTestThread(Thread):
             if self.interactive:
                 self.log.info("%s | Process ID: %d" % (name, self.proc_ident))
 
-            # Communicate returns a tuple of (stdout, stderr), however we always
-            # redirect stderr to stdout, so the second element is ignored.
-            process_output, _ = self.communicate(proc)
+            if self.pStdout == PIPE:
+                process_stdout = ""
+                while True:
+                    (r, w, e) = select.select([proc.stdout], [], [], 120)
+                    if len(r) == 0:
+                        process_stdout += "TEST-UNEXPECTED-FAIL | %s | application timed out after 120 seconds with no output" % (test)
+                        proc.kill()
+                        break
+                    line = proc.stdout.read(1)
+                    if line == "":
+                        break
+                    process_stdout += line
+                proc.wait()
+            else:
+                # Communicate returns a tuple of (stdout, stderr), however we always
+                # redirect stderr to stdout, so the second element is ignored.
+                process_output, _ = self.communicate(proc)
 
             if self.interactive:
                 # Not sure what else to do here...