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lit: multiprocessing platform fix attempt

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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.

llvm-svn: 193516
This commit is contained in:
Alp Toker 2013-10-28 10:26:13 +00:00
parent 5938ec4cbe
commit 7f0b2395d8
1 changed files with 2 additions and 1 deletions
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3
utils/lit/lit/run.py
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@ -216,9 +216,10 @@ class Run(object):
queue_impl = multiprocessing.Queue queue_impl = multiprocessing.Queue
canceled_flag = multiprocessing.Value('i', 0) canceled_flag = multiprocessing.Value('i', 0)
consumer = MultiprocessResultsConsumer(self, display, jobs) consumer = MultiprocessResultsConsumer(self, display, jobs)
except ImportError: except:
# multiprocessing fails to initialize with certain OpenBSD and # multiprocessing fails to initialize with certain OpenBSD and
# FreeBSD Python versions: http://bugs.python.org/issue3770 # FreeBSD Python versions: http://bugs.python.org/issue3770
# Unfortunately the error raised also varies by platform.
self.lit_config.note('failed to initialize multiprocessing') self.lit_config.note('failed to initialize multiprocessing')
consumer = None consumer = None
if not consumer: if not consumer: