[#BloombergLP-bslmt-ThreadUtilImpl-04-sleep]
= xref:BloombergLP.adoc[BloombergLP]::xref:BloombergLP/bslmt.adoc[bslmt]::xref:BloombergLP/bslmt/ThreadUtilImpl-04.adoc[ThreadUtilImpl<Platform::PosixThreads>]::sleep
:relfileprefix: ../../../
:mrdocs:

Suspend execution of the current thread for a period of at least the specified `sleepTime` (relative time), and optionally load into the optionally specified `unsleptTime` the amount of time that was not slept by this function if the operation was interrupted by a signal. Return 0 on success, and a non‐zero value if the operation was interrupted by a signal. Note that the actual time suspended depends on many factors including system scheduling, and system timer resolution.

== Synopsis

Declared in `<bslmt_threadutilimpl_pthread.h>`

[source,cpp,subs="verbatim,replacements,macros,-callouts"]
----
static
int
sleep(
    xref:BloombergLP/bsls/TimeInterval.adoc[bsls::TimeInterval] const& sleepTime,
    xref:BloombergLP/bsls/TimeInterval.adoc[bsls::TimeInterval]* unsleptTime = 0);
----


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