September 2017
Intermediate to advanced
466 pages
9h 33m
English
Content preview from Go Systems Programming
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File locking in Go
There are times that you do not want any other child of the same process to change a file or even access it because you are changing its data and you do not want the other processes to read incomplete or inconsistent data. Although you will learn more about file locking and go routines in Chapter 9, Goroutines - Basic Features and Chapter 10, Goroutines - Advanced Features, this chapter will present a small Go example without a detailed explanation in order to give you an idea about how things work: you should wait until Chapter 9, Goroutines - Basic Features and Chapter 10, Goroutines - Advanced Features, to learn more.
The presented technique will use Mutex, which is a general synchronization mechanism. The Mutex lock ...
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I'm always learning. So when I got on to O'Reilly, I was like a kid in a candy store. There are playlists. There are answers. There's on-demand training. It's worth its weight in gold, in terms of what it allows me to do.