diff options
| -rwxr-xr-x | lldb/test/dosep.py | 11 |
1 files changed, 7 insertions, 4 deletions
diff --git a/lldb/test/dosep.py b/lldb/test/dosep.py index 938a3f671d4..7af953fb698 100755 --- a/lldb/test/dosep.py +++ b/lldb/test/dosep.py @@ -1254,10 +1254,13 @@ def default_test_runner_name(num_threads): # Use the serial runner. test_runner_name = "serial" elif os.name == "nt": - # Currently the multiprocessing test runner with ctrl-c - # support isn't running correctly on nt. Use the pool - # support without ctrl-c. - test_runner_name = "threading-pool" + # On Windows, Python uses CRT with a low limit on the number of open + # files. If you have a lot of cores, the threading-pool runner will + # often fail because it exceeds that limit. + if num_threads > 32: + test_runner_name = "multiprocessing-pool" + else: + test_runner_name = "threading-pool" elif is_darwin_version_lower_than( distutils.version.StrictVersion("10.10.0")): # OS X versions before 10.10 appear to have an issue using |

