Atomic Truck Parking

22 Atomic vs. Non-Atomic Operations "An operation acting on shared memory is atomic if it completes in a single step relative to other threads. When an atomic store is performed on a shared memory, no other thread can observe the modification half-complete.

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Objects of atomic types are the only C++ objects that are free from data races; that is, if one thread writes to an atomic object while another thread reads from it, the behavior is well-defined. In addition, accesses to atomic objects may establish inter-thread synchronization and order non-atomic memory accesses as specified by std::memory_order.

The AVR-libc user manual in the section backs up my claim that 8-bit types on AVR, when compiled by gcc, already have naturally atomic reads and naturally atomic writes when it implies that 8-bit reads and writes are already atomic by saying (emphasis added):
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Which types on a 64-bit computer are naturally atomic in gnu C and gnu ...

What are atomic actions and why they are neccessary? Also, How are atomic actions implemented in Java? My understanding is that in programming an atomic action is one that effectively happens all ...

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Is it only creation of the destination that needs to be atomic, but also having the source contents, as read, represent only a single point-in-time?

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7 In this question, it was explained how to add to a concurrent ThreadSafe collection Powershell: How to add Result to an Array (ForEach-Object -Parallel) I have a simpler use case , where I would just like to increment a single value. (Integer). Is it possible to do in Powershell using some sort of Atomic Integer data type?

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