Chapter 4. Thread Synchronization
This chapter deals with the problem of data and state corruption caused by concurrent threads. When multiple threads executing on different CPUs simultaneously modify the same data structure, that structure can be corrupted. Similarly, when a thread gets interrupted and another thread manipulates the data that the first thread was manipulating, that data can be corrupted (Baldwin, 2002).
Fortunately, FreeBSD provides a set of synchronization primitives to deal with these issues. Before I describe what synchronization primitives do, you’ll need an in-depth understanding of the abovementioned concurrency issues, also ...
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