Review request for 6612680 (Remove classloader dependency on jkernel)
forax at univ-mlv.fr
Sun Oct 4 11:34:18 UTC 2009
Le 04/10/2009 08:03, Mandy Chung a écrit :
> Alan, Karen,
> Can you review the fix for:
> 6612680: Remove classloader dependency on jkernel
> Webrev at:
> java.lang.ClassLoader and sun.misc.Launcher have explicit dependencies
> on the jkernel code. While the performance impact of this is minimal
> (the calls basically amount to nops when the JRE is complete), it's
> still undesirable.
> To eliminate the static dependency on jkernel, this adds a boot
> classloader hook interface that is invoked in the ClassLoader
> findClass, getSystemResource, and other methods. The hook is null by
> default. The jkernel VM will call the static
> DownloadManager.setBootClassLoaderHook() method and only the jkernel
> environment will have a non-null boot class loader hook. Since
> jkernel is a separate build including the bundles and VM, as we
> discussed, the jkernel VM is a reasonable place to inject the
> DownloadManager as the boot class loader hook.
> I'm hoping to make TL b74 which is code freeze by 10 pm PT Monday.
A small comment, it seems that DownloadManager.instance is never read.
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