[llvm] r193516 - lit: multiprocessing platform fix attempt

[Alp Toker]

Author: alp
Date: Mon Oct 28 05:26:13 2013
New Revision: 193516

URL: http://llvm.org/viewvc/llvm-project?rev=193516&view=rev
Log:
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.

Modified:
    llvm/trunk/utils/lit/lit/run.py

Modified: llvm/trunk/utils/lit/lit/run.py
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/utils/lit/lit/run.py?rev=193516&r1=193515&r2=193516&view=diff
==============================================================================
--- llvm/trunk/utils/lit/lit/run.py (original)
+++ llvm/trunk/utils/lit/lit/run.py Mon Oct 28 05:26:13 2013
@@ -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: