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

Release a read lock that was previously acquired from a successful call to `lockRead`, `lockReadReserveWrite`, or `tryLockRead`, or a write lock which was previously acquired by a successful call to `lockWrite`, `tryLockWrite`, or `upgradeToWriteLock`. Note that the behavior is undefined unless the calling thread currently owns this read/write lock.

== Synopsis

Declared in `<bslmt_readerwriterlock.h>`

[source,cpp,subs="verbatim,replacements,macros,-callouts"]
----
void
unlock();
----


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