[#BloombergLP-bsls-AtomicUint]
= xref:BloombergLP.adoc[BloombergLP]::xref:BloombergLP/bsls.adoc[bsls]::AtomicUint
:relfileprefix: ../../
:mrdocs:

Atomic unsigned integer with sequentially consistent operations by default.

== Synopsis

Declared in `<bsls_atomic.h>`

[source,cpp,subs="verbatim,replacements,macros,-callouts"]
----
class AtomicUint;
----

== Description

This class implements an atomic unsigned integer, which supports common unsigned integer operations in a way that is guaranteed to be atomic. Operations on objects of this class provide the sequential consistency memory ordering guarantee unless explicitly qualified with a less strict consistency guarantee suffix (i.e., Acquire, Release, AcqRel or Relaxed).

== Member Functions

[cols="1,4"]
|===
| Name| Description
| xref:BloombergLP/bsls/AtomicUint/2constructor-06.adoc[`AtomicUint`]         [.small]#[constructor]#
| Constructors
| xref:BloombergLP/bsls/AtomicUint/operator_assign.adoc[`operator=`] 
| Atomically assign the specified `value` to this object, and return a reference offering modifiable access to `this` object.
| xref:BloombergLP/bsls/AtomicUint/add.adoc[`add`] 
| Atomically add the specified `value` to this object and return the resulting value.
| xref:BloombergLP/bsls/AtomicUint/addAcqRel.adoc[`addAcqRel`] 
| Atomically add the specified `value` to this object and return the resulting value, providing the acquire/release memory ordering guarantee.
| xref:BloombergLP/bsls/AtomicUint/addRelaxed.adoc[`addRelaxed`] 
| Atomically add the specified `value` to this object and return the resulting value, providing the relaxed memory ordering guarantee.
| xref:BloombergLP/bsls/AtomicUint/load.adoc[`load`] 
| Return the current value of this object.
| xref:BloombergLP/bsls/AtomicUint/loadAcquire.adoc[`loadAcquire`] 
| Return the current value of this object, providing the acquire memory ordering guarantee.
| xref:BloombergLP/bsls/AtomicUint/loadRelaxed.adoc[`loadRelaxed`] 
| Return the current value of this object, providing the relaxed memory ordering guarantee.
| xref:BloombergLP/bsls/AtomicUint/operator_inc-05.adoc[`operator++`] 
| Increment operators
| xref:BloombergLP/bsls/AtomicUint/operator_plus_eq.adoc[`operator+=`] 
| Atomically add the specified `value` to this object, and return the resulting value.
| xref:BloombergLP/bsls/AtomicUint/operator_dec-05.adoc[`operator‐‐`] 
| Decrement operators
| xref:BloombergLP/bsls/AtomicUint/operator_minus_eq.adoc[`operator‐=`] 
| Atomically subtract the specified `value` from this object, and return the resulting value.
| xref:BloombergLP/bsls/AtomicUint/store.adoc[`store`] 
| Atomically assign the specified `value` to this object, providing the sequential consistency memory ordering guarantee.
| xref:BloombergLP/bsls/AtomicUint/storeRelaxed.adoc[`storeRelaxed`] 
| Atomically assign the specified `value` to this object, providing the relaxed memory ordering guarantee.
| xref:BloombergLP/bsls/AtomicUint/storeRelease.adoc[`storeRelease`] 
| Atomically assign the specified `value` to this object, providing the release memory ordering guarantee.
| xref:BloombergLP/bsls/AtomicUint/subtract.adoc[`subtract`] 
| Atomically subtract the specified `value` from this object and return the resulting value.
| xref:BloombergLP/bsls/AtomicUint/subtractAcqRel.adoc[`subtractAcqRel`] 
| Atomically subtract the specified `value` from this object and return the resulting value, providing the acquire/release memory ordering guarantee.
| xref:BloombergLP/bsls/AtomicUint/subtractRelaxed.adoc[`subtractRelaxed`] 
| Atomically subtract the specified `value` from this object and return the resulting value, providing the relaxed memory ordering guarantee.
| xref:BloombergLP/bsls/AtomicUint/swap.adoc[`swap`] 
| Atomically set the value of this object to the specified `swapValue` and return its previous value.
| xref:BloombergLP/bsls/AtomicUint/swapAcqRel.adoc[`swapAcqRel`] 
| Atomically set the value of this object to the specified `swapValue` and return its previous value, providing the acquire/release memory ordering guarantee.
| xref:BloombergLP/bsls/AtomicUint/testAndSwap.adoc[`testAndSwap`] 
| Conditionally swap this value if it equals `compareValue`.
| xref:BloombergLP/bsls/AtomicUint/testAndSwapAcqRel.adoc[`testAndSwapAcqRel`] 
| Conditionally swap this value with acquire/release ordering.
| xref:BloombergLP/bsls/AtomicUint/2conversion.adoc[`operator unsigned int`] 
| Return the current value of this object.
|===



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