[#BloombergLP-bslmt-SemaphoreImpl-0a]
= xref:BloombergLP.adoc[BloombergLP]::xref:BloombergLP/bslmt.adoc[bslmt]::SemaphoreImpl
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:mrdocs:

== Synopsis

Declared in `<bslmt_semaphore.h>`

[source,cpp,subs="verbatim,replacements,macros,-callouts"]
----
template<class SEMAPHORE_POLICY>
class SemaphoreImpl;
----

== Specializations

[cols="1,4"]
|===
| Name| Description
| xref:BloombergLP/bslmt/SemaphoreImpl-06.adoc[`SemaphoreImpl<Platform::PosixSemaphore>`] 
| This class provides a full specialization of `SemaphoreImpl` for pthreads. The implementation provided here defines an efficient proxy for the `sem_t` pthread type, and related operations.
|===



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