Method lock

view/sharedcache/core/FileAccessorCache.cpp:77–95

}

std::shared_ptr<MappedFileAccessor> WeakFileAccessor::lock()
{
	auto sharedPtr = m_weakPtr.lock();
	if (!sharedPtr)
	{
		// This will revive other weak pointers to the same shared ptr.
		// Update the weak pointer to the newly created shared instance
		m_weakPtr = FileAccessorCache::Global().Open(m_filePath).m_weakPtr;
		sharedPtr = m_weakPtr.lock();

		// Call the function registered with `RegisterReviveCallback`.
		// TODO: This races if two functions cannot acquire and revive the same file at the same time.
		// TODO: This will be called twice.
		if (m_reviveCallback.has_value())
			(*m_reviveCallback)(*sharedPtr);
	}

	return sharedPtr;
}