stderr vs. STDERR_FILENO

[Mark Mitchell]

Andreas Schwab wrote:

>Mark Mitchell <mark@codesourcery.com> writes:
>
>  
>
>>(2) stderr freopen'd (and not attached to fd 2)
>>    
>>
>
>stderr freopen'd means it is still attached to fd 2.
>  
>
Maybe on some implementations, but that's not required.

Typical implementations do a close, followed by an open.

In threaded code, some other thread might grab the fd between the close 
and the open.

-- 
Mark Mitchell
CodeSourcery, LLC
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mark@codesourcery.com