
c++ - What exactly is std::atomic? - Stack Overflow
Aug 13, 2015 · 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 …
c++ - How to implement an atomic counter - Stack Overflow
Sep 18, 2023 · Fortunately, the value initializing constructor of an integral atomic is constexpr, so the above leads to constant initialization. Otherwise you'd want to make it -say- a static …
What does "atomic" mean in programming? - Stack Overflow
In the Effective Java book, it states: The language specification guarantees that reading or writing a variable is atomic unless the variable is of type long or double [JLS, 17.4.7]. What do...
c++ - How to use std::atomic efficiently - Stack Overflow
Jan 6, 2012 · std::atomic is new feature introduced by c++11 but I can't find much tutorial on how to use it correctly. So are the following practice common and efficient? One practice I used is …
sql - What is atomicity in dbms - Stack Overflow
Jun 4, 2014 · The definition of atomic is hazy; a value that is atomic in one application could be non-atomic in another. For a general guideline, a value is non-atomic if the application deals …
atomic operations and atomic transactions - Stack Overflow
Mar 27, 2013 · Can someone explain to me, whats the difference between atomic operations and atomic transactions? Its seems to me that these two are the same thing.Is that correct?
Is there a difference between the _Atomic type qualifier and type ...
Oct 20, 2014 · Why the standard make that difference? It seems as both designate, in the same way, an atomic type.
Understanding std::atomic::compare_exchange_weak() in C++11
Aug 8, 2014 · In addition (and more importantly), note that std::atomic must support all operations for all possible data types, so even if you declare a ten million byte struct, you can use …
In C#, what does "atomic" mean? - Stack Overflow
Aug 2, 2016 · I read this in the book C# 6.0 and the .NET 4.6 framework: “assignments and simple arithmetic operations are not atomic”. So, what does it exactly mean?
c++, std::atomic, what is std::memory_order and how to use them?
Mar 12, 2012 · If you are modifying and accessing atomic variables from multiple threads, then passing the std::memory_order values to your operations allow you to relax the constraints on …