The std::atomic<T> template deletes its copy-constructor, because atomics are for shared state, so copying them to another atomic is usually not what you want. Deleting the copy-constructor … From stackoverflow.com
C++ - HOW TO IMPLEMENT AN ATOMIC COUNTER - STACK OVERFLOW
Sep 18, 2023 std::atomic<int> id{0}; int create_id() { id++; return id.load(); } But I assume it's possible for that function to return the same value twice, right? For example, thread A calls the … From stackoverflow.com
JAVA - PRACTICAL USES FOR ATOMICINTEGER - STACK OVERFLOW
Jan 27, 2011 For instance getAndIncrement() is an atomic equivalent to i++ which is not atomic because it is actually a short cut for three operations: retrieval, addition and assignation. … From stackoverflow.com
THREAD SAFETY - ATOMIC OPERATIONS IN ARM - STACK OVERFLOW
Aug 10, 2012 Generally I would suggest that one confine use of them to small methods like "atomic increment" and such, which could easily be rewritten if needed to use other … From stackoverflow.com
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 … From stackoverflow.com
C++ - WHAT EXACTLY IS STD::ATOMIC? - STACK OVERFLOW
Aug 13, 2015 std::atomic<> wraps operations that, in pre-C++ 11 times, had to be performed using (for example) interlocked functions with MSVC or atomic bultins in case of GCC. Also, … From stackoverflow.com
WHICH IS MORE EFFICIENT, BASIC MUTEX LOCK OR ATOMIC INTEGER?
Atomic operations leverage processor support (compare and swap instructions) and don't use locks at all, whereas locks are more OS-dependent and perform differently on, for example, … From stackoverflow.com
ATOMIC OPERATIONS AND ATOMIC TRANSACTIONS - STACK OVERFLOW
Mar 27, 2013 Atomic Operations on the other hand are usually associated with low-level programming with regards to multi-processing or multi-threading applications and are similar to … From stackoverflow.com
WHAT ARE ATOMIC OPERATIONS FOR NEWBIES? - STACK OVERFLOW
Sep 6, 2018 Here, each upsert is atomic: the first one left count at 2, the second one left it at 3. Everything works. Note that "atomic" is contextual: in this case, the upsert operation only … From stackoverflow.com
WHAT DOES "ATOMIC" MEAN IN PROGRAMMING? - STACK OVERFLOW
"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 … From stackoverflow.com
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