[#BloombergLP-bsls-AtomicOperations_DefaultUint-0d7-testAndSwapUintAcqRel]
= xref:BloombergLP.adoc[BloombergLP]::xref:BloombergLP/bsls.adoc[bsls]::xref:BloombergLP/bsls/AtomicOperations_DefaultUint-0d7.adoc[AtomicOperations&lowbar;DefaultUint]::testAndSwapUintAcqRel
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:mrdocs:

Conditionally set the value of the specified `atomicUint` 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 `atomicUint`, providing the acquire&sol;release memory ordering guarantee&period; The whole operation is performed atomically&period;

== Synopsis

Declared in `&lt;bsls&lowbar;atomicoperations&lowbar;default&period;h&gt;`

[source,cpp,subs="verbatim,replacements,macros,-callouts"]
----
static
unsigned int
testAndSwapUintAcqRel(
    AtomicTypes::Uint* atomicUint,
    unsigned int compareValue,
    unsigned int swapValue);
----


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