[#BloombergLP-bslmt-Latch-arrive]
= xref:BloombergLP.adoc[BloombergLP]::xref:BloombergLP/bslmt.adoc[bslmt]::xref:BloombergLP/bslmt/Latch.adoc[Latch]::arrive
:relfileprefix: ../../../
:mrdocs:

Decrement the number of events that this latch is waiting for by 1, and if the resulting number of events is 0 release any waiting threads. The behavior is undefined unless the sum of all events that have arrived at this latch does not exceed the count with which it was initialized. Note that the initial count of events is supplied at construction.

== Synopsis

Declared in `<bslmt_latch.h>`

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


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