Capability engine method and apparatus for a microkernel...

Details Capability engine method and apparatus for a microkernel... Capability engine method and apparatus for a microkernel...

G - Physics

06

F

G06F 15/76 (2006.01) G06F 9/46 (2006.01) G06F 13/38 (2006.01)

Patent

CA 2149476

A microkernel interprocess communication subsystem and method provide fast and efficient communication between clients and servers in uniprocessing, multiprocessing, and distributed processing environments. A microkernel operating system includes a capability engine module that manages capabilities or rights to map regions of the memory shared by multiprocessing tasks. There is a wide range of port rights that can be attributed to a task port; various permission levels, security levels, priority levels, processor and resource availability, etc. The capability engine analyses these rights and selectively enables transfers between tasks. In this manner, the capability engine manages the interprocess communication that must take place between the many clients and servers in a Microkernel System, in a fast and efficient manner.

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