November 2015
Intermediate to advanced
220 pages
4h 30m
English
Content preview from Java Threads and the Concurrency Utilities
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CHAPTER 6
Synchronizers
Java provides the synchronized keyword for synchronizing thread access to critical sections. Because it can be difficult to correctly write synchronized code that’s based on synchronized, high-level synchronizers (classes that facilitate common forms of synchronization) are included in the concurrency utilities. In this chapter, I introduce you to the countdown latch, cyclic barrier, exchanger, semaphore, and phaser synchronizers.
Countdown Latches
A countdown latch causes one or more threads to wait at a “gate” until another thread opens this gate, at which point these other threads can continue. It consists of a count ...
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