src/share/vm/gc_implementation/g1/g1MarkSweep.cpp
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rev 2691 : [mq]: g1-reference-processing
@@ -60,10 +60,12 @@
}
#endif
// hook up weak ref data so it can be used during Mark-Sweep
assert(GenMarkSweep::ref_processor() == NULL, "no stomping");
assert(rp != NULL, "should be non-NULL");
+ assert(rp == G1CollectedHeap::heap()->ref_processor_stw(), "Precondition");
+
GenMarkSweep::_ref_processor = rp;
rp->setup_policy(clear_all_softrefs);
// When collecting the permanent generation methodOops may be moving,
// so we either have to flush all bcp data or convert it into bci.
@@ -137,10 +139,12 @@
&GenMarkSweep::follow_code_root_closure,
&GenMarkSweep::follow_root_closure);
// Process reference objects found during marking
ReferenceProcessor* rp = GenMarkSweep::ref_processor();
+ assert(rp == G1CollectedHeap::heap()->ref_processor_stw(), "Sanity");
+
rp->setup_policy(clear_all_softrefs);
rp->process_discovered_references(&GenMarkSweep::is_alive,
&GenMarkSweep::keep_alive,
&GenMarkSweep::follow_stack_closure,
NULL);
@@ -164,11 +168,10 @@
// Visit memoized MDO's and clear any unmarked weak refs
GenMarkSweep::follow_mdo_weak_refs();
assert(GenMarkSweep::_marking_stack.is_empty(), "just drained");
-
// Visit interned string tables and delete unmarked oops
StringTable::unlink(&GenMarkSweep::is_alive);
// Clean up unreferenced symbols in symbol table.
SymbolTable::unlink();
@@ -344,11 +347,12 @@
SharedHeap::SO_AllClasses,
&GenMarkSweep::adjust_root_pointer_closure,
NULL, // do not touch code cache here
&GenMarkSweep::adjust_pointer_closure);
- g1h->ref_processor()->weak_oops_do(&GenMarkSweep::adjust_root_pointer_closure);
+ assert(GenMarkSweep::ref_processor() == g1h->ref_processor_stw(), "Sanity");
+ g1h->ref_processor_stw()->weak_oops_do(&GenMarkSweep::adjust_root_pointer_closure);
// Now adjust pointers in remaining weak roots. (All of which should
// have been cleared if they pointed to non-surviving objects.)
g1h->g1_process_weak_roots(&GenMarkSweep::adjust_root_pointer_closure,
&GenMarkSweep::adjust_pointer_closure);