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A Signal_handler may schedule a hook function that is executed after the signal handler returned. This can be used if the hook function may trigger a (nested) signal handler by means of wait_and_dispatch_one_signal(). Otherwise, an occurrence of the same signal that triggered the original signal handler results in a dead lock just before calling the nested handler (due to the Signal_context destruction lock). |
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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.