C++ (Cpp) SmallPage::setSizeClass Examples

Example #1

File: Heap.cpp Project: rhythmkay/webkit

SmallPage* Heap::allocateSmallPage(std::lock_guard<StaticMutex>& lock, size_t sizeClass)
{
    Vector<SmallPage*>& smallPagesWithFreeLines = m_smallPagesWithFreeLines[sizeClass];
    while (smallPagesWithFreeLines.size()) {
        SmallPage* page = smallPagesWithFreeLines.pop();
        if (!page->refCount(lock) || page->sizeClass() != sizeClass) // Page was promoted to the pages list.
            continue;
        return page;
    }

    SmallPage* page = [this, sizeClass]() {
        if (m_smallPages.size())
            return m_smallPages.pop();

        m_isAllocatingPages = true;
        return m_vmHeap.allocateSmallPage();
    }();

    page->setSizeClass(sizeClass);
    return page;
}