本文整理汇总了C++中WeakRef::write_barrier方法的典型用法代码示例。如果您正苦于以下问题：C++ WeakRef::write_barrier方法的具体用法？C++ WeakRef::write_barrier怎么用？C++ WeakRef::write_barrier使用的例子？那么恭喜您, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在类WeakRef的用法示例。
在下文中一共展示了WeakRef::write_barrier方法的1个代码示例，这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞，您的评价将有助于系统推荐出更棒的C++代码示例。
示例1: clean_weakrefs
void GarbageCollector::clean_weakrefs(bool check_forwards) {
if(!weak_refs_) return;
for(ObjectArray::iterator i = weak_refs_->begin();
i != weak_refs_->end();
i++) {
WeakRef* ref = try_as<WeakRef>(*i);
if(!ref) continue; // WTF.
Object* obj = ref->object();
if(!obj->reference_p()) continue;
if(check_forwards) {
if(obj->young_object_p()) {
if(!obj->forwarded_p()) {
ref->set_object(Qnil);
} else {
ref->set_object(obj->forward());
ref->write_barrier(object_memory_, obj->forward());
}
}
} else if(!obj->marked_p(object_memory_->mark())) {
ref->set_object(Qnil);
}
}
delete weak_refs_;
weak_refs_ = NULL;
}