[private] On Fri, Dec 14, 2007, Guido van Rossum wrote: > On Dec 14, 2007 2:12 PM, Aahz <[EMAIL PROTECTED]> wrote: >> On Sat, Dec 08, 2007, [EMAIL PROTECTED] wrote: >>> On 05:20 pm, [EMAIL PROTECTED] wrote: >>>> >>>>The best solution I can think of is to add a new API that takes a >>>>signal and a file descriptor and registers a C-level handler for that >>>>signal which writes a byte to the file descriptor. You can then create >>>>a pipe, connect the signal handler to the write end, and add the read >>>>end to your list of file descriptors passed to select() or poll(). The >>>>handler must be written in C in order to avoid the race condition >>>>referred to by Glyph (signals arriving after the signal check in the >>>>VM main loop but before the select()/poll() system call is entered >>>>will not be noticed until the select()/poll() call completes). >>> >>> This paragraph jogged my memory. I remember this exact solution being >>> discussed now, a year ago when I was last talking about these issues. >> >> Ayup. I am extremely far from an expert here, but anyone wanting to >> have an informed opinion should really re-read the threads after these >> posts: >> http://mail.python.org/pipermail/python-dev/2006-September/068569.html >> http://mail.python.org/pipermail/python-dev/2007-January/070772.html >> >> I would recommend requesting review from either Nick Maclaren or Tim >> Peters as well. > > Oh no, not Nick Maclaren!
;-) Note carefully that I did not say you should necessarily follow Nick's advice. Still, having an expert tell you what you're doing wrong usually helps even if their advice isn't relevant. > Anyway, did you see that we resolved this and have a patch ready for review? > > http://bugs.python.org/issue1583 Yeah, I saw that after the fact, but I still think referring to the previous threads should be useful for anyone wanting to review the patch. -- Aahz ([EMAIL PROTECTED]) <*> http://www.pythoncraft.com/ "Typing is cheap. Thinking is expensive." --Roy Smith _______________________________________________ Python-Dev mailing list Python-Dev@python.org http://mail.python.org/mailman/listinfo/python-dev Unsubscribe: http://mail.python.org/mailman/options/python-dev/archive%40mail-archive.com
