By W. Richard Stevens, Stephen A. Rago

For greater than two decades, critical C programmers have depended on one ebook for sensible, in-depth wisdom of the programming interfaces that force the UNIX and Linux kernels: W. Richard Stevens’ Advanced Programming within the UNIX® Environment . Now, once more, Rich’s colleague Steve Rago has completely up-to-date this vintage paintings. the hot 3rd variation helps today’s best systems, displays new technical advances and top practices, and aligns with model four of the only UNIX Specification.

Steve conscientiously keeps the spirit and strategy that experience made this booklet so worthwhile. development on Rich’s pioneering paintings, he starts off with records, directories, and tactics, conscientiously laying the foundation for extra complicated options, similar to sign dealing with and terminal I/O. He additionally completely covers threads and multithreaded programming, and socket-based IPC.

This variation covers greater than seventy new interfaces, together with POSIX asynchronous I/O, spin locks, obstacles, and POSIX semaphores. so much out of date interfaces were got rid of, apart from a number of which are ubiquitous. approximately all examples were verified on 4 smooth structures: Solaris 10, Mac OS X model 10.6.8 (Darwin 10.8.0), FreeBSD 8.0, and Ubuntu model 12.04 (based on Linux 3.2).

As in prior variants, you’ll examine via examples, together with greater than 10000 traces of downloadable, ISO C resource code. greater than 400 approach calls and features are confirmed with concise, whole courses that sincerely illustrate their utilization, arguments, and go back values. To tie jointly what you’ve realized, the e-book offers a number of chapter-length case stories, each one reflecting modern environments.

Advanced Programming within the UNIX® surroundings has helped generations of programmers write code with unparalleled strength, functionality, and reliability. Now up to date for today’s structures, this 3rd variation may be much more worthwhile.

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Extra info for Advanced Programming in the UNIX Environment (3rd Edition) (Addison-Wesley Professional Computing Series)

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This book also describes these standards. 4BSD. This provides a realworld description, which is often lacking from the standard itself and from books that describe only the standard. xxix xxx Preface to the First Edition Organization of the Book This book is divided into six parts: 1. An overview and introduction to basic Unix programming concepts and terminology (Chapter 1), with a discussion of the various Unix standardization efforts and different Unix implementations (Chapter 2). 2. I/O—unbuffered I/O (Chapter 3), properties of files and directories (Chapter 4), the standard I/O library (Chapter 5), and the standard system data files (Chapter 6).

Out > data standard input is the terminal, standard output is redirected to the file data, and standard error is also the terminal. If this output file doesn’t exist, the shell creates it by default. The program copies lines that we type to the standard output until we type the end-of-file character (usually Control-D). out < infile > outfile then the file named infile will be copied to the file named outfile. In Chapter 3, we describe the unbuffered I/O functions in more detail. 10 UNIX System Overview Chapter 1 Standard I/O The standard I/O functions provide a buffered interface to the unbuffered I/O functions.

18 to handle signals correctly. To define the interface to the UNIX System that most programmers use, we have to describe both the system calls and some of the library functions. If we described only the sbrk system call, for example, we would skip the more programmer-friendly malloc library function that many applications use. In this text, we’ll use the term function to refer to both system calls and library functions, except when the distinction is necessary. 12 Summary This chapter has provided a short tour of the UNIX System.

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