[#BloombergLP-bslmt-FastPostSemaphore-2constructor-09]
= xref:BloombergLP.adoc[BloombergLP]::xref:BloombergLP/bslmt.adoc[bslmt]::xref:BloombergLP/bslmt/FastPostSemaphore.adoc[FastPostSemaphore]::FastPostSemaphore
:relfileprefix: ../../../
:mrdocs:

Create a `FastPostSemaphore` object initially having a count of 0. Use the monotonic system clock as the clock against which the `absTime` timeouts passed to the `timedWait` methods are interpreted (see {Supported Clock‐Types} in the component‐level documentation).

== Synopsis

Declared in `<bslmt_fastpostsemaphore.h>`

[source,cpp,subs="verbatim,replacements,macros,-callouts"]
----
explicit
FastPostSemaphore(std::chrono::steady_clock const&);
----


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