Thread-Safe Singleton: Atomics
This lesson explains the solution for the thread-safe initialization of singleton problem using atomics in C++.
We'll cover the following...
With atomic variables, my implementation becomes a lot more challenging; I can even specify the memory model for my atomic operations. The following two implementations of the thread-safe singletons are based on the previously mentioned double-checked locking pattern.
Sequential Consistency
In my first implementation, I use atomic operations without specifying the memory model; therefore, sequential consistency applies.
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