[#BloombergLP-bslmt-FastPostSemaphoreImpl-take]
= xref:BloombergLP.adoc[BloombergLP]::xref:BloombergLP/bslmt.adoc[bslmt]::xref:BloombergLP/bslmt/FastPostSemaphoreImpl.adoc[FastPostSemaphoreImpl]::take
:relfileprefix: ../../../
:mrdocs:

Reduce the count by up to `maximumToTake` and return the amount taken&period;

== Synopsis

Declared in `&lt;bslmt&lowbar;fastpostsemaphoreimpl&period;h&gt;`

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

== Description

If the count of this semaphore is positive, reduce the count by the lesser of the count and the specified `maximumToTake` and return the magnitude of the change to the count&period; Otherwise, do nothing and return 0&period;

== Return Value

amount by which the count was reduced, or 0 if not positive

== Parameters

[cols="1,4"]
|===
| Name| Description
| *maximumToTake*
| maximum amount by which to reduce the count
|===


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