Re: [devel] [python] sem_open in multiprocessing.queues.Queue

[Vitaly Kuznetsov <vitty@altlinux.ru>]

On Thu, 19 Apr 2012 12:32:05 +0600, Ildar Mulyukov wrote:
> Оба наших питона выдают следующее:
> $ python3 -c 'from multiprocessing.queues import Queue;'
> Traceback (most recent call last):
>    File "/usr/lib64/python3.2/multiprocessing/synchronize.py", line 
> 54,
> in <module>
>      from _multiprocessing import SemLock
> ImportError: cannot import name SemLock
>
> During handling of the above exception, another exception occurred:
>
> Traceback (most recent call last):
>    File "<string>", line 1, in <module>
>    File "/usr/lib64/python3.2/multiprocessing/queues.py", line 48, in
> <module>
>      from multiprocessing.synchronize import Lock, BoundedSemaphore,
> Semaphore, Condition
>    File "/usr/lib64/python3.2/multiprocessing/synchronize.py", line 
> 59,
> in <module>
>      " function, see issue 3770.")
> ImportError: This platform lacks a functioning sem_open 
> implementation,
> therefore, the required synchronization primitives needed will not
> function, see issue 3770.

Это баг, при сборке в нашей сборочнице не проходит тест sem_open:

к примеру, 
http://git.altlinux.org/tasks/archive/done/_67/69340/build/100/x86_64/log:
checking whether POSIX semaphores are enabled... no
checking for broken sem_getvalue... yes

сейчас попробую посмотреть как объехать.