[#BloombergLP-bsls-AtomicOperations_DefaultInt-08-testAndSwapIntAcqRel]
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Conditionally set the value of the specified `atomicInt` to the specified `swapValue` if and only if the value of `atomicInt` equals the value of the specified `compareValue`, and return the initial value of `atomicInt`, providing the acquire/release memory ordering guarantee. The whole operation is performed atomically.

== Synopsis

Declared in `<bsls_atomicoperations_default.h>`

[source,cpp,subs="verbatim,replacements,macros,-callouts"]
----
static
int
testAndSwapIntAcqRel(
    AtomicTypes::Int* atomicInt,
    int compareValue,
    int swapValue);
----


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