CLD claiming v2
34 _worker_id(par_scan_state->worker_id()),
35 _scanned_cld(NULL),
36 _cm(_g1h->concurrent_mark())
37 { }
38
39 G1ScanClosureBase::G1ScanClosureBase(G1CollectedHeap* g1h, G1ParScanThreadState* par_scan_state) :
40 _g1h(g1h), _par_scan_state(par_scan_state), _from(NULL)
41 { }
42
43 void G1CLDScanClosure::do_cld(ClassLoaderData* cld) {
44 // If the class loader data has not been dirtied we know that there's
45 // no references into the young gen and we can skip it.
46 if (!_process_only_dirty || cld->has_modified_oops()) {
47
48 // Tell the closure that this class loader data is the CLD to scavenge
49 // and is the one to dirty if oops are left pointing into the young gen.
50 _closure->set_scanned_cld(cld);
51
52 // Clean the cld since we're going to scavenge all the metadata.
53 // Clear modified oops only if this cld is claimed.
54 cld->oops_do(_closure, _claim_value, /*clear_modified_oops*/true);
55
56 _closure->set_scanned_cld(NULL);
57
58 _closure->trim_queue_partially();
59 }
60 _count++;
61 }
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34 _worker_id(par_scan_state->worker_id()),
35 _scanned_cld(NULL),
36 _cm(_g1h->concurrent_mark())
37 { }
38
39 G1ScanClosureBase::G1ScanClosureBase(G1CollectedHeap* g1h, G1ParScanThreadState* par_scan_state) :
40 _g1h(g1h), _par_scan_state(par_scan_state), _from(NULL)
41 { }
42
43 void G1CLDScanClosure::do_cld(ClassLoaderData* cld) {
44 // If the class loader data has not been dirtied we know that there's
45 // no references into the young gen and we can skip it.
46 if (!_process_only_dirty || cld->has_modified_oops()) {
47
48 // Tell the closure that this class loader data is the CLD to scavenge
49 // and is the one to dirty if oops are left pointing into the young gen.
50 _closure->set_scanned_cld(cld);
51
52 // Clean the cld since we're going to scavenge all the metadata.
53 // Clear modified oops only if this cld is claimed.
54 cld->oops_do(_closure, _claim, /*clear_modified_oops*/true);
55
56 _closure->set_scanned_cld(NULL);
57
58 _closure->trim_queue_partially();
59 }
60 _count++;
61 }
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