[#CountingSemaphoreGrant-2constructor-02]
= xref:CountingSemaphoreGrant.adoc[CountingSemaphoreGrant]::CountingSemaphoreGrant
:relfileprefix: ../
:mrdocs:

Constructs a grant bound to a semaphore, optionally acquiring without blocking.

== Synopsis

Declared in `<semaphore_grant.h>`

[source,cpp,subs="verbatim,replacements,macros,-callouts"]
----
explicit
CountingSemaphoreGrant(
    std::counting_semaphore<LeastMaxValue>& sema,
    bool fTry = false) noexcept;
----

== Parameters

[cols="1,4"]
|===
| Name| Description
| *sema*
| The semaphore to acquire a slot from.
| *fTry*
| If true, try to acquire without blocking; otherwise block until acquired.
|===


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