[IronPython] print is not thread safe ?

Michael Foord fuzzyman at voidspace.org.uk
Fri May 16 10:06:58 CEST 2008

Sakesun Roykiattisak wrote:
> Hi,
>   Just found that the "print" statement is not thread-safe (IP 
> 1.1.1).  I variably
> get various "ValueError" like "Count cannot be less than zero. 
> Parameter name: count"
> in my multi-thread app.

FWIW we've sometimes seen this, although it is hard to reproduce 
reliably. 'print' really ought to be thread safe...

Michael Foord

>   The problem can be suppressed by replace "print" with 
> "System.Console.WriteLine"
>   Perhaps I should try proper logging module.
> Regards
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