Cover: Interprocess Communication Extensions for the UNIX Operating System: II. Implementation.

Interprocess Communication Extensions for the UNIX Operating System: II. Implementation.

Published 1977

by J. S. Zucker

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The UNIX operating system for the PDP-11 series of minicomputers has gained wide popularity in academic and government circles. This report considers interprocess communication (IPC) facilities with the goal of developing an improved IPC capability for UNIX. A companion report outlines the major issues involved in providing IPC, describes the standard UNIX IPC facilities, and points out several of their weaknesses. The present report describes the "port" mechanism developed at RAND to overcome some of those weaknesses. It presents details of the implementation as well as sufficient background material to enable the UNIX programmer to understand how ports work and how to use them. (See also R-2064/1.) 19 pp. Ref.

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