stdout and stderr are getting mixed up?

Sebastian Huber sebastian.huber at embedded-brains.de
Thu Jun 22 05:54:55 UTC 2017


On 22/06/17 07:48, Sebastian Huber wrote:

>>
>> The link I posted would suggest otherwise.
>
> It doesn't cite the POSIX standard. I don't know where this atomic 
> printf() behaviour is defined. 

The Newlib _vfprintf_r() implementation locks the file stream, so it 
does ensure this atomicity.

We have thread-local stdio streams in Newlib.

-- 
Sebastian Huber, embedded brains GmbH

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