[#BloombergLP-bslmt-Barrier-numThreads]
= xref:BloombergLP.adoc[BloombergLP]::xref:BloombergLP/bslmt.adoc[bslmt]::xref:BloombergLP/bslmt/Barrier.adoc[Barrier]::numThreads
:relfileprefix: ../../../
:mrdocs:

Return the required number of arrivals before all waiting threads will unblock.

== Synopsis

Declared in `<bslmt_barrier.h>`

[source,cpp,subs="verbatim,replacements,macros,-callouts"]
----
int
numThreads() const;
----

== Description

DEPRECATED: Use `numArrivals` instead.


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