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

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

== Synopsis

Declared in `<bslmt_writelockguard.h>`

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

== Member Functions

[cols="1,4"]
|===
| Name| Description
| xref:BloombergLP/bslmt/WriteLockGuardTryLock/2constructor.adoc[`WriteLockGuardTryLock`]         [.small]#[constructor]#
| Create a guard that tries to acquire a write lock on `lock`.
| xref:BloombergLP/bslmt/WriteLockGuardTryLock/2destructor.adoc[`~WriteLockGuardTryLock`] [.small]#[destructor]#
| Destroy this guard and unlock the managed lock object, if any.
| xref:BloombergLP/bslmt/WriteLockGuardTryLock/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/WriteLockGuardTryLock/release.adoc[`release`] 
| Release the managed lock from this guard without unlocking it.
|===



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