[#BloombergLP-bsls-AtomicOperations_DefaultInt64-0a-decrementInt64AcqRel]
= xref:BloombergLP.adoc[BloombergLP]::xref:BloombergLP/bsls.adoc[bsls]::xref:BloombergLP/bsls/AtomicOperations_DefaultInt64-0a.adoc[AtomicOperations&lowbar;DefaultInt64]::decrementInt64AcqRel
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:mrdocs:

Atomically decrement the specified `atomicInt` by 1, providing the acquire&sol;release memory ordering guarantee&period;

== Synopsis

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

[source,cpp,subs="verbatim,replacements,macros,-callouts"]
----
static
void
decrementInt64AcqRel(AtomicTypes::Int64* atomicInt);
----

== Parameters

[cols="1,4"]
|===
| Name| Description
| *atomicInt*
| atomic 64&hyphen;bit integer to modify
|===


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