[#BloombergLP-bslmt-MutexImpl-06-unlock]
= xref:BloombergLP.adoc[BloombergLP]::xref:BloombergLP/bslmt.adoc[bslmt]::xref:BloombergLP/bslmt/MutexImpl-06.adoc[MutexImpl&lt;Platform::PosixThreads&gt;]::unlock
:relfileprefix: ../../../
:mrdocs:

Release a lock on this mutex that was previously acquired through a successful call to `lock`, or `tryLock`&period; The behavior is undefined, unless the calling thread currently owns the lock on this mutex&period;

== Synopsis

Declared in `&lt;bslmt&lowbar;muteximpl&lowbar;pthread&period;h&gt;`

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


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