Re: [Boost-build] latest bjam messes up stdin/out

From: Dirk Griffioen (dirk_at_[hidden])
Date: 2008-05-19 15:00:58

Hi,
>    Hi.
>
>   
>> Very weird. Yes, the key change would be the buffering of action output. 
>> No idea how it could conflict with things like IncrediBuild and Python 
>> though. Since in the end it does a regular fwrite back to stdout.
>>     
>
>    Well, I can't wait to finally see a reproducible test case... I've 
> gone thorough that code and also do not see how it could interfere with 
> external output processing... it just delays it for a while...
>   
Yes, but what if 2 different 'entities' try to write to stdout?

All output is delayed yes? And all is written at once?

The case I have is

- a .bat file echoing status
- iconv converting sqlscripts/data to utf8 *via* stdout (by redirection)

The status echo's from the .bat file end up in the converted sql file - 
it's all written at once see

And now my sql file is invalid, breaking the create database, breaking 
the regression, breaking the build ...

Or am I missing something here?

Could the dealy write be optional? (Just a thought)
>    Best regards,
>   
Dirk
>
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