[#BloombergLP-bslmt-ReadLockGuard]
= xref:BloombergLP.adoc[BloombergLP]::xref:BloombergLP/bslmt.adoc[bslmt]::ReadLockGuard
:relfileprefix: ../../
:mrdocs:

This class template implements a guard for acquisition and release of read synchronization resources (i.e., reader locks).

== Synopsis

Declared in `<bslmt_readlockguard.h>`

[source,cpp,subs="verbatim,replacements,macros,-callouts"]
----
template<class T>
class ReadLockGuard;
----

== Member Functions

[cols="1,4"]
|===
| Name| Description
| xref:BloombergLP/bslmt/ReadLockGuard/2constructor-06.adoc[`ReadLockGuard`]         [.small]#[constructor]#
| Constructors
| xref:BloombergLP/bslmt/ReadLockGuard/2destructor.adoc[`~ReadLockGuard`] [.small]#[destructor]#
| Destroy this guard and unlock any managed lock.
| xref:BloombergLP/bslmt/ReadLockGuard/ptr.adoc[`ptr`] 
| Return the address of the modifiable lock object under management by this guard, or 0 if no lock is currently being managed.
| xref:BloombergLP/bslmt/ReadLockGuard/release.adoc[`release`] 
| Release management of the lock without unlocking it.
|===


== Derived Classes

[cols="1,4"]
|===
| Name| Description
| xref:BloombergLP/bslmt/LockReadGuard.adoc[`LockReadGuard`] 
| DEPRECATED: Use `ReadLockGuard` instead.
|===


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