Support for running unit-tests under valgrind on Mac

tools/purify/common.py

 #!/bin/env python
 # Copyright (c) 2006-2008 The Chromium Authors. All rights reserved.
 # Use of this source code is governed by a BSD-style license that can be
 # found in the LICENSE file.
 
 # common.py
 
 """ Common code used by purify_test.py and quantify_test.py in order to automate
 running of Rational Purify and Quantify in a consistent manner.
 """
@@ skipping 110 matching lines @@
     subprocess.call(["taskkill", "/T", "/F", "/PID", str(p.pid)])
     logging.error("KILLED %d" % p.pid)
     # Give the process a chance to actually die before continuing
     # so that cleanup can happen safely.
     time.sleep(1.0)
     logging.error("TIMEOUT waiting for %s" % proc[0])
     raise TimeoutError(proc[0])
   elif not detach:
     for line in p.stdout.readlines():
       _print_line(line, False)
-    logging.info("flushing stdout")
-    p.stdout.flush()
+    if sys.platform != 'darwin':   # stdout flush fails on Mac
+      logging.info("flushing stdout")
+      p.stdout.flush()
 
   logging.info("collecting result code")
   result = p.poll()
   if result:
     logging.error("%s exited with non-zero result code %d" % (proc[0], result))
   return result
 
 
 def FixPath(path):
   """We pass computed paths to Rational as arguments, so these paths must be
@@ skipping 181 matching lines @@
       logging.info("clearing instrumentation cache %s" % self._cache_dir)
       if os.path.isdir(self._cache_dir):
         for cfile in os.listdir(self._cache_dir):
           file = os.path.join(self._cache_dir, cfile);
           if os.path.isfile(file):
             try:
               os.remove(file)
             except:
               logging.warning("unable to delete file %s: %s" % (file, 
                               sys.exc_info()[0]))
-
-
-