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Re: libc question
On Mon, Jul 31, 2006 at 06:36:20PM -0700, David Brown wrote:
> I'm looking into using LD_PRELOAD to track filesystem access and I've
> run into a problem. It seems there are tons of filesystem interface
> functions in glibc that do various things, however, many of them (like
> mkstemp, mktemp, etc) don't seem to use open. They seem to use __open
> instead, an internal function that I can't seem to over-ride in
> LD_PRELOAD. So I'm stuck having to over-ride every function on the
> interface layer of glibc. It would be nice to be able to over-ride
> __open so that I only have to do the tracking once rather than the
> many times for all the functions that call __open internally.
This is a FAQ. There is no way to do this; glibc's internal interfaces
can not be overridden. Sorry.
--
Daniel Jacobowitz
CodeSourcery