[#BloombergLP-bslmt-RecursiveMutex-lock]
= xref:BloombergLP.adoc[BloombergLP]::xref:BloombergLP/bslmt.adoc[bslmt]::xref:BloombergLP/bslmt/RecursiveMutex.adoc[RecursiveMutex]::lock
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Acquire a lock on this object. If this object is currently locked, then suspend execution of the current thread until a lock can be acquired. Succeed immediately if this thread already holds the lock.

== Synopsis

Declared in `<bslmt_recursivemutex.h>`

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