The Double Check Design Pattern

One of the deficiencies of actual programming languages, specially those ones still widely used that are old, such as C or C++, is that they were designed having in mind the sequential programming paradigm. This usually means that those languages don’t have standard ways to work with multithreading features, and you usually have to rely on third party libraries to develop thread safe software.

Today I’ll be discussing a design pattern called Double Check, which can be widely used to manage the resource access, elimination and initialization in a safe thread way.

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