void SamplerApollo::unregisterNode(WTF::PassRefPtr<BaseSamplerNode> node)
{
ASSERT(node.get());
// invalidate the cached node if it is going to be deleted
if (m_cachedSearchNode.get() == node.get())
m_cachedSearchNode.clear();
m_liveNodes.remove(node->ptr());
m_liveNodesByIdentifier.remove(node->identifier());
#if !ENABLE(JIT)
// the references from RefPtr
ASSERT(node->hasOneRef());
#endif
// when sampling is stopped don't bother to keep the dead object.
if (samplerWillDeallocate(node.get())) {
WTF::PassRefPtr<DeadSamplerNode> deadNode = DeadSamplerNode::createWithDataFrom(node.get());
ASSERT(deadNode->hasOneRef());
m_deadNodesByIdentifier.add(node->identifier(), deadNode.get());
}
#if ENABLE(JIT)
node->clearPtr();
#endif
}
bool SamplerApollo::registerNode(WTF::PassRefPtr<BaseSamplerNode> node)
{
if (UNLIKELY(!samplingNow))
return false;
// check if the object was allocated earlier or if maybe the old object
// didn't trigger deallocation
ASSERT(getSamplerNodeFor(node->ptr()) == 0);
const uint64_t identifier = samplerDidAllocate(node.get());
if (identifier) {
node->setIdentifier(identifier);
m_liveNodes.add(node->ptr(), node.get());
m_liveNodesByIdentifier.add(node->identifier(), node.get());
// the references from liveNodes maps + pass ref ptr
ASSERT(node->refCount() == 3);
return true;
}
return false;
}