lit: multiprocessing platform fix attempt

The error raised by Python varies by platform(!), so let's just catch any
exception and fall back.

Thanks to Sylvestre Ledru for noticing this on a Debian / Python 2.7 system
running code coverage.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@193516 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Alp Toker 2013-10-28 10:26:13 +00:00
parent 19ea37059a
commit 188545867d

View File

@ -216,9 +216,10 @@ class Run(object):
queue_impl = multiprocessing.Queue
canceled_flag = multiprocessing.Value('i', 0)
consumer = MultiprocessResultsConsumer(self, display, jobs)
except ImportError:
except:
# multiprocessing fails to initialize with certain OpenBSD and
# FreeBSD Python versions: http://bugs.python.org/issue3770
# Unfortunately the error raised also varies by platform.
self.lit_config.note('failed to initialize multiprocessing')
consumer = None
if not consumer: