RFR: 8202649: Move the Parallel GC specific task creation functions out of Threads

[Stefan Karlsson]

Thanks, Per.

StefanK

On 2018-05-08 09:57, Per Liden wrote:
> 
> On 05/07/2018 04:02 PM, Stefan Karlsson wrote:
>> Hi all,
>>
>> Please review this patch to move the Parallel GC specific task 
>> creation functions out of Threads.
>>
>> http://cr.openjdk.java.net/~stefank/8202649/webrev.01/
> 
> Looks good!
> 
> /Per
> 
>>
>> There exist (at least) two available functions to iterate over a 
>> subset of threads:
>>   static void non_java_threads_do(ThreadClosure* tc);
>>   static void threads_do(ThreadClosure* tc);
>>
>> This patch extends this set and adds:
>>   static void java_threads_do(ThreadClosure* tc);
>>   static void java_threads_and_vm_thread_do(ThreadClosure* tc);
>>
>> The latter is used to implement the create_thread_roots_tasks and 
>> create_thread_roots_marking_tasks inside the Parallel GC code.
>>
>> Thanks,
>> StefanK