[#BloombergLP-bsls-AtomicOperations_DefaultUint64-00-decrementUint64Nv]
= xref:BloombergLP.adoc[BloombergLP]::xref:BloombergLP/bsls.adoc[bsls]::xref:BloombergLP/bsls/AtomicOperations_DefaultUint64-00.adoc[AtomicOperations_DefaultUint64]::decrementUint64Nv
:relfileprefix: ../../../
:mrdocs:

Atomically decrement the specified `atomicUint` by 1 and return the resulting value, providing the sequential consistency memory ordering guarantee.

== Synopsis

Declared in `<bsls_atomicoperations_default.h>`

[source,cpp,subs="verbatim,replacements,macros,-callouts"]
----
static
xref:BloombergLP/bsls/Types/Uint64.adoc[Types::Uint64]
decrementUint64Nv(AtomicTypes::Uint64* atomicUint);
----

== Return Value

value of `atomicUint` after the decrement

== Parameters

[cols="1,4"]
|===
| Name| Description
| *atomicUint*
| atomic unsigned 64‐bit integer to modify
|===


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