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src/hotspot/share/gc/shenandoah/shenandoahRootProcessor.cpp
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rev 55406 : 8225582: Shenandoah: Enable concurrent evacuation of JNIHandles
@@ -69,14 +69,10 @@
_management_root.oops_do(cl, worker_id);
_system_dictionary_root.oops_do(cl, worker_id);
_jvmti_root.oops_do(cl, worker_id);
}
-ShenandoahJNIHandleRoots::ShenandoahJNIHandleRoots() :
- ShenandoahSerialRoot(&JNIHandles::oops_do, ShenandoahPhaseTimings::JNIRoots) {
-}
-
ShenandoahThreadRoots::ShenandoahThreadRoots(bool is_par) : _is_par(is_par) {
Threads::change_thread_claim_token();
}
void ShenandoahThreadRoots::oops_do(OopClosure* oops_cl, CodeBlobClosure* code_cl, uint worker_id) {
@@ -146,25 +142,26 @@
ShenandoahRootProcessor::~ShenandoahRootProcessor() {
assert(SafepointSynchronize::is_at_safepoint(), "Must at safepoint");
_heap->phase_timings()->record_workers_end(_phase);
}
-ShenandoahRootEvacuator::ShenandoahRootEvacuator(uint n_workers, ShenandoahPhaseTimings::Phase phase) :
+ShenandoahRootEvacuator::ShenandoahRootEvacuator(uint n_workers, ShenandoahPhaseTimings::Phase phase, bool include_concurrent_roots) :
ShenandoahRootProcessor(phase),
_thread_roots(n_workers > 1),
- _weak_roots(n_workers) {
+ _weak_roots(n_workers),
+ _include_concurrent_roots(include_concurrent_roots) {
}
void ShenandoahRootEvacuator::roots_do(uint worker_id, OopClosure* oops) {
MarkingCodeBlobClosure blobsCl(oops, CodeBlobToOopClosure::FixRelocations);
CLDToOopClosure clds(oops, ClassLoaderData::_claim_strong);
- CLDToOopClosure* weak_clds = ShenandoahHeap::heap()->unload_classes() ? NULL : &clds;
-
AlwaysTrueClosure always_true;
_serial_roots.oops_do(oops, worker_id);
- _jni_roots.oops_do(oops, worker_id);
+ if (_include_concurrent_roots) {
+ _jni_roots.oops_do<OopClosure>(oops, worker_id);
+ }
_thread_roots.oops_do(oops, NULL, worker_id);
_cld_roots.clds_do(&clds, &clds, worker_id);
_code_roots.code_blobs_do(&blobsCl, worker_id);
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