[#BloombergLP-bslmt-ThreadUtil-invalidHandle]
= xref:BloombergLP.adoc[BloombergLP]::xref:BloombergLP/bslmt.adoc[bslmt]::xref:BloombergLP/bslmt/ThreadUtil.adoc[ThreadUtil]::invalidHandle
:relfileprefix: ../../../
:mrdocs:

Return a reference to the non&hyphen;modifiable `Handle` object that is guaranteed never to be a valid thread handle&period;

== Synopsis

Declared in `&lt;bslmt&lowbar;threadutil&period;h&gt;`

[source,cpp,subs="verbatim,replacements,macros,-callouts"]
----
static
xref:BloombergLP/bslmt/ThreadUtil/Handle.adoc[ThreadUtil::Handle] const&
invalidHandle();
----

== Return Value

reference to a handle that is never a valid thread handle


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