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Re: single threaded performance enhancement


From: Wolfram Gloger
Subject: Re: single threaded performance enhancement
Date: Mon, 26 Nov 2001 15:35:34 +0100 ("MET)

> For single threaded programs/libraries using the
> _unlocked versions of the stdio functions provide
> very big performance gains. So why aren't these selected
> by default #ifndef _REENTRANT, as this must be defined
> for all multithreaded apps?

This would make it impossible to let 'single-threaded' programs
interoperate with multi-threaded libraries.  E.g. some day someone
might decide to make libncurses.so multithreaded internally, while
keeping the same API.

Regards,
Wolfram.



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