Re: [Chicken-users] Problems with thread-sleep!

[Felix]

From: Karel Miklav <address@hidden>
Subject: [Chicken-users] Problems with thread-sleep!
Date: Tue, 30 Nov 2010 21:17:32 +0100

> I want to slow down a script to a number of cycles per
> second with:
> 
>   (thread-sleep! (/ 1 12))
> 
> That however fails so I ended up importing numbers and
> adapting the line to:
> 
>   (thread-sleep! (exact->inexact (/ 1 12)))
> 
> This call usually blocks within 10 retries. I don't
> have a clue what is going on and know little about
> scheme but it looks like something about numbers.
> These always work:
> 
>   (thread-sleep! 0.083)
> 
>   (thread-sleep! (/ (round (*
>     (exact->inexact (/ 1 12)) 1000)) 1000))
> 
> Anybody knows what is the problem?

Thanks for reporting this. The internal code that converted
a flonum timeout value into an exact number was broken.
See commit a56037b in the "master" branch of the git repository.


cheers,
felix