0d295f75a1
This patch changes the child-construction procedure to allow the routing of environment sessions to arbitrary servers, not only to the parent. In particular, it restores the ability to route the LOG session of the child to a LOG service provided by a child of init. In principle, it becomes possible to also route the immediate child's PD, CPU, and RAM environment sessions in arbitrary ways, which simplifies scenarios that intercept those sessions, e.g., the CPU sampler. Note that the latter ability should be used with great caution because init needs to interact with these sessions to create/destruct the child. Normally, the sessions are provided by the parent. So init is safe at all times. If they are routed to a child however, init will naturally become dependent on this particular child. For the LOG session, this is actually not a problem because even though the parent creates the LOG session as part of the child's environment, it never interacts with the session directly. Fixes #2197 |
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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.