[#BloombergLP-bslmt-MeteredMutex-holdTime]
= xref:BloombergLP.adoc[BloombergLP]::xref:BloombergLP/bslmt.adoc[bslmt]::xref:BloombergLP/bslmt/MeteredMutex.adoc[MeteredMutex]::holdTime
:relfileprefix: ../../../
:mrdocs:

Return the hold time (in nanoseconds) accumulated since the most recent call to `resetMetrics` (or `MeteredMutex` if `resetMetrics` was never called).

== Synopsis

Declared in `<bslmt_meteredmutex.h>`

[source,cpp,subs="verbatim,replacements,macros,-callouts"]
----
xref:BloombergLP/bsls/Types/Int64.adoc[bsls::Types::Int64]
holdTime() const;
----


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