Mail Archives: cygwin/2008/07/28/00:32:55
Jason Tishler wrote:
> As my README indicates, Cygwin Python has some pthreads-related issues.
> Given that you don't observe this behavior on other platforms, it seems
> like this is a Cygwin specific problem. So, I don't think raising an
> upstream bug report will help.
>
> I would like to help with this problem, but my expectation is it will
> take many hours or days to debug. I've been in the Cygwin and Python
> pthreads-related code before and it is not a fun place to be. :,)
> Sorry, but the reality is I don't have the time to help with a problem
> of this difficulty.
Understandable. I wish it were otherwise, but no worries. I actually
worked around the problem in my real app by avoiding threads entirely --
at least in this context -- on unix (incl. cygwin), since
select.select() can be used with regular file descriptors on those
platforms. I only really needed threads+subprocess.Popen.stdout in this
context on win32, because win32 select.select() works only with sockets.
It's funny. I dimly recall running into something almost the same --
maybe exactly the same -- about two years ago. At that time I just
completely punted and dropped cygwin from the list of supported
platforms...I like my current workaround better that /that/. <g>
FWIW, I did try a few recent thread-related patches from python SVN --
some from the release25-maint branch and some I backported from trunk
(like this: http://bugs.python.org/issue874900). No joy there,
unfortunately.
--
Chuck
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