Sascha Silbe wrote:
> On Sat, Oct 18, 2008 at 03:06:45PM -0300, Martin Conte Mac Donell wrote:
>
>> t.start()
>> time.sleep(2000000)
>> raise Exception("Why?")
>>
>> Exception is raised when i resize my xterm window. For some reason
>> this action breaks time.sleep.
> That's the way signals + threads work on a POSIX system. Signals from
> other processes are delivered to a single, arbitrarily chosen thread
> (see POSIX 2.4.1, "Signal Generation and Delivery" [2]). In your case
> the main thread was chosen (but you cannot rely on that).
> In the thread handling the signal the currently executed OS function
> will usually abort and return with EINTR.
> See also Entry #10 of the comp.programming.threads FAQ [1].
>
>
> [1] http://www.faqs.org/faqs/threads-faq/part1/
> [2]
> http://www.opengroup.org/onlinepubs/009695399/functions/xsh_chap02_04.html
So, one solution would be to use processes instead of threads (generally
good advice in any case) But I wonder if disabling the signal that you
are being sent would also work.. I'll try it when I have a few minutes.
Ian
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