On Mon, 14 Aug 2023 07:48:00 GMT, Matthias Baesken <mbaes...@openjdk.org> wrote:

> Currently there is a number of functionality that would be interesting to 
> have for shared lib load operations in the JDK C code.
> Some examples :
> Events::log_dll_message for hs-err files reporting
> JFR event NativeLibraryLoad
> There is the need to update the shared lib Cache on AIX ( see 
> LoadedLibraries::reload() , see also 
> https://bugs.openjdk.org/browse/JDK-8314152 ),
> this is currently not fully in sync with libs loaded form jdk c-libs and 
> sometimes reports outdated information
> 
> Offer an interface (e.g. jvm.cpp) to support this.

Hi Phil, yes there are of course more call sites of dlopen in the JDK C 
codebase.
I could cover them too, if this is wished.

> . but I'm still not sure I understand .. why is what you are doing only 
> wanted for the AIX cases ?

The lib cache update ` LoadedLibraries::reload();`   is  AIX specific;  the UL 
and JFR events are cross platform.

( Btw. in our proprietary JVM we have this approach for many years )

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PR Comment: https://git.openjdk.org/jdk/pull/15264#issuecomment-1678538226

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