Pass '--verbose' and '--retries 0' flags to run_test_cases.py for ThreadSanitizer.

scripts/slave/runtest.py

Index: scripts/slave/runtest.py
===================================================================
--- scripts/slave/runtest.py	(revision 223030)
+++ scripts/slave/runtest.py	(working copy)
@@ -1230,8 +1230,16 @@
       (options.factory_properties.get('lsan_run_all_tests', False) or
        args[0] not in lsan_blacklist)))
 
-  if (options.factory_properties.get('asan', False)):
+  if options.factory_properties.get('asan', False):
     options.extra_sharding_args += ' --verbose'
+  if options.factory_properties.get('tsan', False):
+    # Print ThreadSanitizer reports.
+    options.extra_sharding_args += ' --verbose'
+    if options.sharding_args is None:

[M-A Ruel, 2013/09/13 15:16:25]

Worth using default='' at the options instead.

[Alexander Potapenko, 2013/09/13 15:23:08]

Yeah, I was thinking about that option, but didn't want to change the behavior
in other places. Ok, I'll do that.
This is actually a string, so '' is fine.

+      options.sharding_args = ''
+    # Data races may be flaky, but we don't want to restart the test if there's
+    # been a race report.
+    options.sharding_args += '--retries 0'
 
   if (options.factory_properties.get('asan', False) or
       options.factory_properties.get('tsan', False) or options.enable_lsan):