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C++ Plan::isKnownToBeLiveDuringGC方法代码示例

本文整理汇总了C++中Plan::isKnownToBeLiveDuringGC方法的典型用法代码示例。如果您正苦于以下问题:C++ Plan::isKnownToBeLiveDuringGC方法的具体用法?C++ Plan::isKnownToBeLiveDuringGC怎么用?C++ Plan::isKnownToBeLiveDuringGC使用的例子?那么, 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Plan的用法示例。


在下文中一共展示了Plan::isKnownToBeLiveDuringGC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: removeDeadPlans

void Worklist::removeDeadPlans(VM& vm)
{
    {
        LockHolder locker(m_lock);
        HashSet<CompilationKey> deadPlanKeys;
        for (PlanMap::iterator iter = m_plans.begin(); iter != m_plans.end(); ++iter) {
            Plan* plan = iter->value.get();
            if (&plan->vm != &vm)
                continue;
            if (plan->isKnownToBeLiveDuringGC())
                continue;
            RELEASE_ASSERT(plan->stage != Plan::Cancelled); // Should not be cancelled, yet.
            ASSERT(!deadPlanKeys.contains(plan->key()));
            deadPlanKeys.add(plan->key());
        }
        if (!deadPlanKeys.isEmpty()) {
            for (HashSet<CompilationKey>::iterator iter = deadPlanKeys.begin(); iter != deadPlanKeys.end(); ++iter)
                m_plans.take(*iter)->cancel();
            Deque<RefPtr<Plan>> newQueue;
            while (!m_queue.isEmpty()) {
                RefPtr<Plan> plan = m_queue.takeFirst();
                if (plan->stage != Plan::Cancelled)
                    newQueue.append(plan);
            }
            m_queue.swap(newQueue);
            for (unsigned i = 0; i < m_readyPlans.size(); ++i) {
                if (m_readyPlans[i]->stage != Plan::Cancelled)
                    continue;
                m_readyPlans[i] = m_readyPlans.last();
                m_readyPlans.removeLast();
            }
        }
    }
    
    // No locking needed for this part, see comment in visitWeakReferences().
    for (unsigned i = m_threads.size(); i--;) {
        ThreadData* data = m_threads[i].get();
        Safepoint* safepoint = data->m_safepoint;
        if (!safepoint)
            continue;
        if (&safepoint->vm() != &vm)
            continue;
        if (safepoint->isKnownToBeLiveDuringGC())
            continue;
        safepoint->cancel();
    }
}
开发者ID:rhythmkay,项目名称:webkit,代码行数:47,代码来源:DFGWorklist.cpp


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