June 2018
Intermediate to advanced
348 pages
8h 45m
English
Content preview from C++ Reactive Programming
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Sharing data between threads
We have seen how to start a thread and different methods of managing them. Now, let's discuss how to share data between threads. One key feature of concurrency is its ability to share data between the threads in action. First, let's see what the problems associated with threads accessing common (shared) data are.
There won't be a problem if the data shared between threads is immutable (read-only), because the data read by one thread is unaffected by whether the other threads are reading the same data or not. The moment threads start modifying shared data is when problems begin to emerge.
For example, if the threads are accessing a common data structure, the invariants associated with the data structure are broken ...
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