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On Linux, we want to attach additional attributes to processes, i.e., the chroot location, the designated UID, and GID. Instead of polluting the generic code with such Linux-specific platform details, I introduced the new 'Native_pd_args' type, which can be customized for each platform. The platform-dependent policy of init is factored out in the new 'pd_args' library. The new 'base-linux/run/lx_pd_args.run' script can be used to validate the propagation of those attributes into core. Note that this patch does not add the interpretation of the new UID and PID attributes by core. This will be subject of a follow-up patch. Related to #510.
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, in particular the device-driver kit, the alarm framework, and support for dynamic linking.