[#BloombergLP-bslmt-UnLockGuard-2constructor-0a]
= xref:BloombergLP.adoc[BloombergLP]::xref:BloombergLP/bslmt.adoc[bslmt]::xref:BloombergLP/bslmt/UnLockGuard.adoc[UnLockGuard]::UnLockGuard
:relfileprefix: ../../../
:mrdocs:

Create a guard that optionally unlocks `lock`.

== Synopsis

Declared in `<bslmt_lockguard.h>`

[source,cpp,subs="verbatim,replacements,macros,-callouts"]
----
UnLockGuard(
    T* lock,
    bool alreadyUnlockedFlag);
----

== Parameters

[cols="1,4"]
|===
| Name| Description
| *lock*
| lock object to unlock; may be null
| *alreadyUnlockedFlag*
| `true` if `lock` is already unlocked
|===


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