Electrical computers and digital processing systems: memory – Storage accessing and control – Shared memory area
Reexamination Certificate
2006-02-23
2010-11-30
Bataille, Pierre-Michel (Department: 2186)
Electrical computers and digital processing systems: memory
Storage accessing and control
Shared memory area
C718S101000, C714SE11179, C714SE11178
Reexamination Certificate
active
07844781
ABSTRACT:
An operating system kernel includes an attach mechanism and a detach mechanism. In addition, processes are tagged with an access attribute identifying the process as either a client process or a server process. Based on the access attribute, the operating system kernel lays out the process local address space differently depending on whether the process is a client process or a server process. A server process can “attach” to a client process and reference all of the client process' local storage as though it were its own. The server process continues to reference its own process local storage, but in addition, it can reference the other storage, using the client process' local addresses. When access to the other storage is no longer needed, the server process can “detach” from the client process. Once detached, the other storage can no longer be referenced.
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Corrigan Michael J.
Godtland Paul LuVerne
Kirkman Richard Karl
Ouren Wade Byron
Timms, Jr. George David
Bataille Pierre-Michel
Bussan Matthew J.
International Business Machines - Corporation
Nock James R.
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