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

Acquire a lock on this mutex object. If this object is currently locked by a different thread, then suspend execution of the current thread until a lock can be acquired. The behavior is undefined if the calling thread already owns the lock on this mutex, and may result in deadlock.

== Synopsis

Declared in `<bslmt_mutex.h>`

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