Is the standard output thread-safe?

[Skull]

Fernando Rodríguez <frr at easyjob.net> writes:

> Hi,
>
> Is the standard output thread-safe? Can I use print from several
> threads without having to use a mutex?
>
> Thanks
>
>

Check this: http://me.in-berlin.de/doc/python/faq/library.html#what-kinds-of-global-value-mutation-are-thread-safe

from my experience, it seems 'print' is not thread-safe. especially
when it is called with formated string, such as:

print "id:%d", my_id

I think it is not an "atomic" operation.

--