32 G1ParCopyHelper::G1ParCopyHelper(G1CollectedHeap* g1h, G1ParScanThreadState* par_scan_state) :
33 _g1h(g1h),
34 _par_scan_state(par_scan_state),
35 _worker_id(par_scan_state->worker_id()),
36 _scanned_cld(NULL),
37 _cm(_g1h->concurrent_mark())
38 { }
39
40 G1ScanClosureBase::G1ScanClosureBase(G1CollectedHeap* g1h, G1ParScanThreadState* par_scan_state) :
41 _g1h(g1h), _par_scan_state(par_scan_state)
42 { }
43
44 void G1CLDScanClosure::do_cld(ClassLoaderData* cld) {
45 // If the class loader data has not been dirtied we know that there's
46 // no references into the young gen and we can skip it.
47 if (!_process_only_dirty || cld->has_modified_oops()) {
48
49 // Tell the closure that this class loader data is the CLD to scavenge
50 // and is the one to dirty if oops are left pointing into the young gen.
51 _closure->set_scanned_cld(cld);
52
53 // Clean the cld since we're going to scavenge all the metadata.
54 // Clear modified oops only if this cld is claimed.
55 cld->oops_do(_closure, _claim, /*clear_modified_oops*/true);
56
57 _closure->set_scanned_cld(NULL);
58
59 _closure->trim_queue_partially();
60 }
61 _count++;
62 }
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32 G1ParCopyHelper::G1ParCopyHelper(G1CollectedHeap* g1h, G1ParScanThreadState* par_scan_state) :
33 _g1h(g1h),
34 _par_scan_state(par_scan_state),
35 _worker_id(par_scan_state->worker_id()),
36 _scanned_cld(NULL),
37 _cm(_g1h->concurrent_mark())
38 { }
39
40 G1ScanClosureBase::G1ScanClosureBase(G1CollectedHeap* g1h, G1ParScanThreadState* par_scan_state) :
41 _g1h(g1h), _par_scan_state(par_scan_state)
42 { }
43
44 void G1CLDScanClosure::do_cld(ClassLoaderData* cld) {
45 // If the class loader data has not been dirtied we know that there's
46 // no references into the young gen and we can skip it.
47 if (!_process_only_dirty || cld->has_modified_oops()) {
48
49 // Tell the closure that this class loader data is the CLD to scavenge
50 // and is the one to dirty if oops are left pointing into the young gen.
51 _closure->set_scanned_cld(cld);
52 // Clean modified oops since we're going to scavenge all the metadata.
53 cld->oops_do(_closure, ClassLoaderData::_claim_none, true /*clear_modified_oops*/);
54
55 _closure->set_scanned_cld(NULL);
56
57 _closure->trim_queue_partially();
58 }
59 _count++;
60 }
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