[Python-Dev] RFC: PEP 475, Retry system calls failing with EINTR
solipsis at pitrou.net
Mon Sep 1 17:51:16 CEST 2014
On Mon, 01 Sep 2014 11:47:07 -0400
"R. David Murray" <rdmurray at bitdance.com> wrote:
> > The two requirements are:
> > * Allow the application to react to signals immediately in the main
> > flow.
> You don't want to be writing your code in Python then. In Python
> you *never* get to react immediately to signals. The interpreter
> sets a flag and calls the python signal handler later. Yes, the
> call is ASAP, but ASAP is *not* "immediately".
Especially if the signal is delivered to another thread (which is
OS-dependent), and the main thread is blocked in *another* system
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