Jeroen Frijters wrote:
> Archie Cobbs wrote:
> > > I think we desperately need a VMClassLoader.getCallerClassLoader()
> > 
> > But what the semantics of this method? I.e., define the "caller".
> > 
> > For example, would it return the same thing for both of these 
> > call traces?
> > 
> >   Foo.method -> Runtime.loadLibrary()
> >   Foo.method -> System.loadLibrary() -> Runtime.loadLibrary()
> 
> No magic. It always returns the caller. We would simply modify
> System.loadLibrary to call Runtime.loadLibraryImpl(String libname,
> ClassLoader loader) (or whatever).

You're saying it's equivalent to "VMSecurityManager.getClassContext()[1]" ?
There are several instances of that expression in Classpath, so this
optimization may indeed be useful. (This is an orthogonal issue from
the one I originally asked about, but I agree with you).

But what about:

 Foo.method()->Method.invoke()->Runtime.loadLibrary()->getCallerClassLoader()

Is the "caller's" class supposed to be "Foo" or "Method" ? This is something
that is not made clear in the documentation to getClassContext().

-Archie

__________________________________________________________________________
Archie Cobbs      *        CTO, Awarix        *      http://www.awarix.com


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