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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 the example operating system based on the Genode OS framework: :_Init_: is the first real process in the system. The provided implementation uses a very simple XML parser to read its configuration files. :_Drivers_: The example OS has basic drivers for frame buffer, mouse and keyboard input, the PCI bus, the real-time clock, and system-specific timers. :_Server_: The only server in the example OS is Nitpicker, a minimal-complexity GUI server. :_Test_: are also part of the example OS. You may have a look at the fork bomb as a simple system stress test. :_Ldso_: is the dynamic linker used for loading executables that are linked against shared libraries. :_Lib_: contains libraries used by the components of the OS repository, for example, the alarm framework.