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The test used to rely on init's formerly built-in policy of answering resource requests with slack memory, if available. Since init no longer responds to resource requests in an autonomous way, we use a dynamically configured sub-init instance as runtime for the test. This instance, in turn, is monitored and controlled such that resource requests are result in quota upgrades. The monitoring component is implemented in the same test-resource_request program as the test. Both roles are distinguished by the "role" config attribute. This is a follow-up to "init: explicit response to resource requests".
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.