January 2003
Intermediate to advanced
624 pages
14h 5m
English
Content preview from Interprocess Communications in Linux®: The Nooks & Crannies
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Chapter 10. Sockets
Introduction
One of the nice things about UNIX and its variants is that they use a common interface for the access of files and devices that reside on a single host. By using a file descriptor generated by an open system call, the user can easily read data from and write data to the file descriptor. This can be done without being overly concerned with the underlying mechanics of the process and without knowing to which device the descriptor has been mapped (e.g., the screen, a file on disk, etc.). When we discussed the use of pipes, we saw a similar approach. With pipes, we could have two-way (duplex) communications using read ...
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