[#BloombergLP-bsls-AtomicOperations_DefaultUint-0d7-swapUintAcqRel]
= xref:BloombergLP.adoc[BloombergLP]::xref:BloombergLP/bsls.adoc[bsls]::xref:BloombergLP/bsls/AtomicOperations_DefaultUint-0d7.adoc[AtomicOperations_DefaultUint]::swapUintAcqRel
:relfileprefix: ../../../
:mrdocs:

Atomically swap `atomicUint` with acquire/release ordering.

== Synopsis

Declared in `<bsls_atomicoperations_default.h>`

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

== Description

Atomically set the value of the specified `atomicUint` to the specified `swapValue`, and return its previous value, providing the acquire/release memory ordering guarantee.

== Return Value

previous value of `atomicUint`

== Parameters

[cols="1,4"]
|===
| Name| Description
| *atomicUint*
| atomic unsigned integer to modify
| *swapValue*
| value to store
|===


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