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First, calls to manage and dissolve signal contexts now check if the signal receiver was constructed. There is a small window during suspend where it is destructed before reconstructed again. Last, we ensure that processing of incoming signal was deblocked by the suspend signal before entering the suspend operation. This way we ensure already queued signal are handled.
This is generic part of the Genode implementation. It consists of two parts: :_Core_: is the ultimate root of the Genode application tree and provides abstractions for the lowest-level hardware resources such as RAM, ROM, CPU, and generic device access. All generic parts of Core can be found here - for system-specific implementations refer to the appropriate 'base-<system>' directory. :_Base libraries and protocols_: that are used by each Genode component to interact with other components. This is the glue that holds everything together.