[#BloombergLP-bslmt-Turnstile-waitTurn]
= xref:BloombergLP.adoc[BloombergLP]::xref:BloombergLP/bslmt.adoc[bslmt]::xref:BloombergLP/bslmt/Turnstile.adoc[Turnstile]::waitTurn
:relfileprefix: ../../../
:mrdocs:

Sleep until the next turn may be taken or return immediately if the optionally specified `sleep` is false, this turnstile is lagging behind schedule, or if the calculated sleep duration is less than `minTimeToCallSleep`. Return the non‐negative number of microseconds spent waiting, or if `sleep` is false, the number of microseconds the function would have had to wait.

== Synopsis

Declared in `<bslmt_turnstile.h>`

[source,cpp,subs="verbatim,replacements,macros,-callouts"]
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xref:BloombergLP/bsls/Types/Int64.adoc[bsls::Types::Int64]
waitTurn(bool sleep = true);
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