[#BloombergLP-bslmt-TimedSemaphoreImpl-041-tryWait]
= xref:BloombergLP.adoc[BloombergLP]::xref:BloombergLP/bslmt.adoc[bslmt]::xref:BloombergLP/bslmt/TimedSemaphoreImpl-041.adoc[TimedSemaphoreImpl<Platform::PosixAdvTimedSemaphore>]::tryWait
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:mrdocs:

Decrement the count of this semaphore if it is positive and return 0. Return a non‐zero value otherwise.

== Synopsis

Declared in `<bslmt_timedsemaphoreimpl_posixadv.h>`

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


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