[#BloombergLP-bslmt-SemaphoreImpl-06-post-02]
= xref:BloombergLP.adoc[BloombergLP]::xref:BloombergLP/bslmt.adoc[bslmt]::xref:BloombergLP/bslmt/SemaphoreImpl-06.adoc[SemaphoreImpl<Platform::PosixSemaphore>]::post
:relfileprefix: ../../../
:mrdocs:

Atomically increment the count of this semaphore by the specified `number`. The behavior is undefined unless `number > 0`.

== Synopsis

Declared in `<bslmt_semaphoreimpl_pthread.h>`

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


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