Review Request JDK-8164512: Replace ClassLoader use of finalizer with phantom reference to unload native library

[David Holmes]

On 10/10/2017 6:17 AM, mandy chung wrote:
> David, Peter, Alan
> 
> The VM has a fast path to search the symbol from libjava.so first for 
> bootstrap loader.  That was the case I mostly concern about performance 
> and it's not impacted by this change.   Also I consulted with Claes on 
> the performance impact.   I took your suggestion and made 
> systemNativeLibraries and nativeLibraries volatile.
> 
> Updated webrev:
> http://cr.openjdk.java.net/~mchung/jdk10/webrevs/8164512/webrev.04

Looks good.

Thanks,
David
-----

> thanks
> Mandy
> 
> On 10/9/17 1:20 AM, Alan Bateman wrote:
>> Alternatively change nativeLibraries and systemNativeLibraries to 
>> volatile so the synchronization is only needed to initialize them. 
>> Otherwise this version (webrev.03) looks good to me.
>>
>> -Alan
>