[Python-Dev] C bindings calling tmpfile() blocks interrupt signal

[Michael Hudson]

Florent Pillet <fpillet at gmail.com> writes:

> On 07/07/05, Michael Hudson <mwh at python.net> wrote:
>>>
>> > But with my threaded Python code, SIGINT doesn't work anymore after my
>> > binding has called tmpfile().
>> 
>> Oh, threads.
>> 
>> Which version of Python are you using?
>
> 2.3.5, the one that ships with Mac OS X 10.4. I have a 2.4.x install
> somewhere, I'll give it a go. 

Please do.  If my guess as to what's going on is right, you won't have
the problem.

> But you're right, it's probably because of threads.

You *may* be able to work around this by only calling tmpfile on the
main thread (just a guess).

> Now I'm trying to determine whether this is a Python bug or a Mac OS
> X bug...

Well, again assuming my guess is right, it's probably an OS X bug, but
really threads vs signals issues are enormously subtle and frequently
messed up.

Python 2.4 is much less vulnerable to such cock ups.

Cheers,
mwh

-- 
  we're already scrubbing the face of intuition with steel wool,
  setting it on fire, then putting it out with an axe <wink>.
                      -- Tim Peters, on comparing recursive structures