Messages in this thread | | | Subject | Re: Replacement of LD_PRELOAD? | From | Ulrich Drepper <> | Date | 14 Jun 1999 23:29:51 -0700 |
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hashao <hashao@china.com> writes:
> I remember read some discussion about LD_PRELOAD being bad for > optimization > long time ago (by Ulrich Drepper?). Has the > situation changed since then. Or is there a > replacement for > LD_PRELOAD? That is providing a hook function and then > we can > replace some system or library functions at the run time.
Why should there be a replacement? LD_PRELOAD still works if used correctly but it is (and in future be even more) true that LD_PRELOAD will hurt performance. It is *not* a general utility, it is only a last resort and helper for very special situations. It should never be generally used.
-- ---------------. drepper at gnu.org ,-. 1325 Chesapeake Terrace Ulrich Drepper \ ,-------------------' \ Sunnyvale, CA 94089 USA Cygnus Solutions `--' drepper at cygnus.com `------------------------
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