RFC: ldconfig speedup

[Ulrich Drepper]

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Andreas Jaeger wrote:
>> Probably should use 64-bit fields for ino, dev, size.  
> 
> This gives a larger cache.  Using 32-bit might be faster - and I don't
> see a collision probable.

But we have seen such collisions.


>> Should use ctime instead of mtime.
> 
> Why ctime and not mtime?  Do you think that any modification will not
> touch cached information?

Re-prelinking is only necessary when the file is replaced, not when it
is modified.  If you modify it in an incompatible way you're out of luck
anyway.


> I'm using a separate file now (currently hardcoded to
> /etc/ld.so.cache.aux).  What is the right configure variable to get
> /var/cache ?

There is none.  Just use it.  See nscd/nscd.h.

- --
➧ Ulrich Drepper ➧ Red Hat, Inc. ➧ 444 Castro St ➧ Mountain View, CA ❖
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