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  1. 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 is well-defined. …

  2. 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.

  3. What does "atomic" mean in programming? - Stack Overflow

    May 8, 2015 · 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...

  4. What are atomic operations for newbies? - Stack Overflow

    Sep 6, 2018 · Everything works. Note that "atomic" is contextual: in this case, the upsert operation only needs to be atomic with respect to operations on the answers table in the database; the computer …

  5. 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 with only a …

  6. What's the difference between the atomic and nonatomic attributes?

    Feb 26, 2009 · The last two are identical; "atomic" is the default behavior (note that it is not actually a keyword; it is specified only by the absence of nonatomic -- atomic was added as a keyword in …

  7. What are atomic types in the C language? - Stack Overflow

    Apr 30, 2016 · I remember I came across certain types in the C language called atomic types, but we have never studied them. So, how do they differ from regular types like int,float,double,long etc., and …

  8. Java: is there no AtomicFloat or AtomicDouble? - Stack Overflow

    Mar 31, 2011 · I have found AtomicInteger, AtomicLong, but where is AtomicFloat (or AtomicDouble)? Maybe there is some trick?

  9. difference between standard's atomic bool and atomic flag

    Sep 5, 2016 · The primary difference besides the lock-free guarantee is: std::atomic_flag does not provide load or store operations. and when should I use which? Usually, you will want to use …

  10. 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 we have a buff...