void ImmixGC::collect_finish(GCData* data) {
collect_scan(data);
ObjectArray* marked_set = object_memory_->swap_marked_set();
for(ObjectArray::iterator oi = marked_set->begin();
oi != marked_set->end();
++oi) {
Object* obj = *oi;
if(obj) saw_object(obj);
}
delete marked_set;
// Users manipulate values accessible from the data* within an
// RData without running a write barrier. Thusly if we see any rdata
// we must always scan it again here because it could contain new pointers.
//
// We do this in a loop because the scanning might generate new entries
// on the mark stack.
do {
for(Allocator<capi::Handle>::Iterator i(data->handles()->allocator()); i.more(); i.advance()) {
capi::Handle* hdl = i.current();
if(!hdl->in_use_p()) continue;
if(hdl->is_rdata()) {
Object* obj = hdl->object();
if(obj->marked_p(object_memory_->mark())) {
scan_object(obj);
}
}
}
} while(process_mark_stack());
// We've now finished marking the entire object graph.
// Clean weakrefs before keeping additional objects alive
// for finalization, so people don't get a hold of finalized
// objects through weakrefs.
clean_weakrefs();
// Marking objects to be Finalized can cause more things to continue to
// live, so we must check the mark_stack again.
do {
walk_finalizers();
scan_fibers(data, true);
} while(process_mark_stack());
// Remove unreachable locked objects still in the list
if(data->threads()) {
for(std::list<ManagedThread*>::iterator i = data->threads()->begin();
i != data->threads()->end();
++i) {
clean_locked_objects(*i, false);
}
}
// Clear unreachable objects from the various remember sets
unsigned int mark = object_memory_->mark();
object_memory_->unremember_objects(mark);
}
void ImmixGC::collect_start(GCData* data) {
gc_.clear_marks();
collect_scan(data);
marker_->concurrent_mark(data);
}
/**
* Performs a garbage collection of the immix space.
*/
void ImmixGC::collect(GCData* data) {
gc_.clear_marks();
collect_scan(data);
process_mark_stack();
collect_finish(data);
}
void ImmixGC::collect_start(GCData* data) {
gc_.clear_marks();
collect_scan(data);
}
