[Ffmpeg-devel] [PATCH] [Visibility] libpostproc public functions
Tue Sep 19 09:18:42 CEST 2006
On Tue, 2006-09-19 at 08:12 +0200, Diego 'Flameeyes' Petten? wrote:
> On Tuesday 19 September 2006 08:17, Rich Felker wrote:
> > Yes there is. ISO C says behavior is undefined when multiple
> > translation units contain symbols with the same name, so any valid
> > program should not do this.
> On translation units, yes, but on libraries the behaviour is usually clear,
> with interposing (I admit if this is a standard or only a de-facto
> convention). The problem is, this usually leads to conflicts anyway so it's
> really borderline. I think only pthread libraries and Xorg relies heavily on
> interposing, although other things like dmalloc and other preloadable
> libraries make use of this features.
These would be DSO libraries you're talking about, right ? I'm asking
simply because I though you were worried about all these private, etc.
stuff because of performance considerations. If so, ditching DSOs might
be the biggest step in the direction of getting said performance.
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