New submission from Martin v. Löwis <[email protected]>:
This is similar to #10348, but has a different scope; the attached patch
disables the ProcessPoolExecutor if the system has too few POSIX semaphores.
To keep support for the ThreadPoolExecutor, I had the test cases stop using
multiprocessing.Event in the threaded test cases. Unfortunately, this had two
side effect that I think indicate a bug elsewhere:
1. ThreadPoolWaitTests.test_all_completed_some_already_completed hangs
2. (sometimes) ThreadPoolWaitTests.test_first_exception fails:
self.assertEqual(set([future1, future2]), finished)
AssertionError: Items in the first set but not the second:
<Future at 0x1851ad0 state=running>
I haven't been able to determine yet why it hangs. If the hanging test is
disabled, the tests pass on both Linux and FreeBSD 7.3.
----------
files: fbsd.diff
keywords: patch
messages: 124933
nosy: bquinlan, loewis
priority: normal
severity: normal
status: open
title: test_concurrent_futures fails on FreeBSD
Added file: http://bugs.python.org/file20198/fbsd.diff
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