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

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Reviewed-by: ehelin, pliden
This commit is contained in:
Stefan Karlsson 2018-05-07 16:12:07 +02:00
parent 99072b90d7
commit c590979683
8 changed files with 50 additions and 51 deletions
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14
src/hotspot/share/gc/parallel/psParallelCompact.cpp
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@ -2049,6 +2049,17 @@ GCTaskManager* const PSParallelCompact::gc_task_manager() {
return ParallelScavengeHeap::gc_task_manager();
}
class PCAddThreadRootsMarkingTaskClosure : public ThreadClosure {
private:
GCTaskQueue* _q;
public:
PCAddThreadRootsMarkingTaskClosure(GCTaskQueue* q) : _q(q) { }
void do_thread(Thread* t) {
_q->enqueue(new ThreadRootsMarkingTask(t));
}
};
void PSParallelCompact::marking_phase(ParCompactionManager* cm,
bool maximum_heap_compaction,
ParallelOldTracer *gc_tracer) {
@ -2077,7 +2088,8 @@ void PSParallelCompact::marking_phase(ParCompactionManager* cm,
q->enqueue(new MarkFromRootsTask(MarkFromRootsTask::universe));
q->enqueue(new MarkFromRootsTask(MarkFromRootsTask::jni_handles));
// We scan the thread roots in parallel
Threads::create_thread_roots_marking_tasks(q);
PCAddThreadRootsMarkingTaskClosure cl(q);
Threads::java_threads_and_vm_thread_do(&cl);
q->enqueue(new MarkFromRootsTask(MarkFromRootsTask::object_synchronizer));
q->enqueue(new MarkFromRootsTask(MarkFromRootsTask::management));
q->enqueue(new MarkFromRootsTask(MarkFromRootsTask::system_dictionary));