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

Release the read lock that the calling thread holds on this reader‐writer mutex. The behavior is undefined unless the calling thread currently has a read lock on this mutex.

== Synopsis

Declared in `<bslmt_readerwritermuteximpl.h>`

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


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