[Bug 195221] Review Request: pulseaudio: Improved Linux sound server

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Summary: Review Request: pulseaudio: Improved Linux sound server


https://bugzilla.redhat.com/bugzilla/show_bug.cgi?id=195221





------- Additional Comments From drzeus-bugzilla at drzeus.cx  2006-07-24 21:46 EST -------
(In reply to comment #30)
> It could be that neither matters but the reasoning is flawed.

The reasoning is sound, you just expect the versioning to do more magic than it
does.

> 
> I think the real question is whether the calls that libpulsedsp is overriding
> (AFAICT: _ioctl, _close, _open, _fopen, _open64, _fopen64, _fclose, _access )
> will ever change their ABI.  And if they do, will we need to provide for
> concurrent old and new versions or will the change be such that everything will
> have to upgrade with no backwards compat-possible.

Versioning does not work on this level. If we assume that _open changed it's
ABI, then libc.so.6 would become libc.so.7. Still, this would mean nothing to
libpulsedsp.so as the only one who knows about it is padsp (or some other script
setting the LD_PRELOAD variable). If we have a mix of applications needing
libc.so.6 and libc.so.7 then versioning libpulse.so wouldn't solve our problem.
We, as users, would need to provide info on which ABI is in place. There
wouldn't be any need for two libpulse.so though, as it could be designed to
handle both ABI:s, provided it gets information about which it should use.

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