Re: [PATCH] strtod.3: ATTRIBUTES: Note functions that are thread safe with exceptions

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On 01/21/2014 09:52 PM, Andre Majorel wrote:
>> These functions can be safely used in multithreaded
>> applications, as long as setlocale(3) is not simultaneously
>> called to change the locale.
> 
> I find the word "simultaneous" ambiguous when it comes to events
> whose duration is non-zero.
> 
> Is the problem as simple as this ?
> 1) A thread is interrupted while it's running strto*().
> 2) The other thread calls setlocale().
> 3) strto*() resumes with locale data which is now inconsistent
>    or invalid.
> 
> If that is the case, how about :
> 
>   These functions can be safely used in multithreaded
>   applications, as long as the locale is not changed during
>   their execution.
> 

The above sentence is OK, but I think added setlocale(3) is better, thanks.

These functions can be safely used in multithreaded
applications, as long as setlocale(3) is not called
to change the locale during their execution.


-- 
Best Regards,
Peng

> or
> 
>   These functions can be safely used in multithreaded
>   applications, as long as setlocale() is not called during
>   their execution.
> 
> (depending on whether calling setlocale() would invalidate the
> data returned by a previous call to setlocale() with the same
> argument).
> 
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