10 Processes, threads, and containers
This chapter covers
- Concurrent programming in Rust
- How to distinguish processes, threads, and containers
- Channels and message passing
- Task queues
So far this book has almost completely avoided two fundamental terms of systems programming: threads and processes. Instead, the book has used the single term: program. This chapter expands our vocabulary.
Processes, threads, and containers are abstractions created to enable multiple tasks to be carried out at the same time. This enables concurrency. Its peer term, parallelism, means to make use of multiple physical CPU cores at the same time.
Counterintuitively, it is possible to have a concurrent system on a single CPU core. Because accessing data from memory ...
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