February 2025
Intermediate to advanced
248 pages
6h 36m
English
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4 Multithreading basics
This chapter covers
- The basics of threads
- Starting threads
- Waiting for threads
- Accessing shared data and using locks
- The basics of deadlocks
Chapter 1 discussed how a system can run multiple pieces of code simultaneously—much more than the number of CPU cores—by quickly switching between them. This functionality is made possible by a hardware timer inside the CPU. Each time the timer ticks, the operating system can pause the currently running code and switch to another piece of code. If the switching is fast enough, it creates the illusion that all threads are running simultaneously.
This chapter explores how to use threads for parallel execution and discusses key aspects of concurrent programming. In the next chapter, ...
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