[#BloombergLP-bslmt-TestUtil_Guard-2constructor] = xref:BloombergLP.adoc[BloombergLP]::xref:BloombergLP/bslmt.adoc[bslmt]::xref:BloombergLP/bslmt/TestUtil_Guard.adoc[TestUtil_Guard]::TestUtil_Guard :relfileprefix: ../../../ :mrdocs: Create a guard that locks the mutex in the singleton and saves the address of the singleton mutex. == Synopsis Declared in `<bslmt_testutil.h>` [source,cpp,subs="verbatim,replacements,macros,-callouts"] ---- TestUtil_Guard(); ---- [.small]#Created with https://www.mrdocs.com[MrDocs]#