[Python-Dev] time.sleep(-1) behaviour

[Tim Lesher]

On Thu, Jun 30, 2011 at 15:13, Ulrich Eckhardt
<ulrich.eckhardt at dominolaser.com> wrote:
> Hi!
>
> This is a request for clarification for the thread "how to call a function for
> evry 10 seconds" from the user mailinglist/newsgroup.
>
>
> The gist is this:
> 1. On Linux/Python 2.6, time.sleep(-1.0) raises an IOError.
> 2. On MS Windows/Python 2.5 or 2.7 this sleeps forever. It seems that
> converting this to a 32-bit integer for Sleep() causes an underflow.

> 3. Is the behaviour under MS Windows acceptable or a bug?

On the Windows side, Sleep(-1) as "infinite" is correct and documented:

http://msdn.microsoft.com/en-us/library/ms686298(v=vs.85).aspx


-- 
Tim Lesher <tlesher at gmail.com>