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This patch reworks the implementation of core's RAM service to make use of the 'Session_object' and to remove the distinction between the "metadata" quota and the managed RAM quota. With the new implementation, the session implicitly allocates its metadata from its own account. So there is not need to handle 'Out_of_metadata' and 'Quota_exceeded' via different exceptions. Instead, the new version solely uses the 'Out_of_ram' exception. Furthermore, the 'Allocator::Out_of_memory' exception has become an alias for 'Out_of_ram', which simplifies the error handling. Issue #2398
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.