NDLI: Cs 640 fall 1994 bsd socket reference page 1 berkeley unix † system calls and interprocess communication (1987).

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Cs 640 fall 1994 bsd socket reference page 1 berkeley unix † system calls and interprocess communication (1987).

Content Provider	CiteSeerX
Author	Besaw, Lawrence
Abstract	The purpose of this paper is to discuss interprocess communication in the context of Berkeley UNIX. Special emphasis will be given to those system calls concerned with the creation, management, and use of sockets. There will also be a discussion of signals and selected other system calls that will be useful to those working on the network project assigned for this course. More information on all the system calls mentioned below can be found in the UNIX Programmer’s Manual. Periodic mention will be made of other manual page entries that might be consulted. System header files are designated by enclosing angle brackets; they reside in /usr/include and its subdirectories. 1. Socket Creation The most general mechanism for interprocess communication offered by Berkeley UNIX is the socket. A socket is an endpoint for communication. Two processes can communicate by creating sockets and sending messages between them. There are a variety of different types of sockets, differing in the way the address space of the sockets is defined and the kind of communication that is allowed between sockets. A socket type is uniquely determined by a triple. In order for a remote socket to be reached, it must be possible to assign a name to it. The form that this name assumes is determined by the communication domain or address family to which the socket belongs. There is also an abstract type or style of communication associated with each socket. This dictates the semantics of communication for that socket. Finally, there is a specific protocol that is used with
File Format	PDF
Publisher Date	1987-01-01
Access Restriction	Open
Subject Keyword	Manual Page Entry Special Emphasis Socket Type Abstract Type Socket Creation Bsd Socket Reference Page Address Family Berkeley Unix Communication Domain Usr Include Protocol Triple Network Project Socket Belongs Interprocess Communication General Mechanism Remote Socket Specific Protocol Different Type System Header File Unix Programmer Address Space Angle Bracket Periodic Mention Berkeley Unix System Call
Content Type	Text
Resource Type	Article

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