[#BloombergLP-bslmt-ReaderWriterMutexImpl-2constructor] = xref:BloombergLP.adoc[BloombergLP]::xref:BloombergLP/bslmt.adoc[bslmt]::xref:BloombergLP/bslmt/ReaderWriterMutexImpl.adoc[ReaderWriterMutexImpl]::ReaderWriterMutexImpl :relfileprefix: ../../../ :mrdocs: Construct a reader/writer lock initialized to an unlocked state. == Synopsis Declared in `<bslmt_readerwritermuteximpl.h>` [source,cpp,subs="verbatim,replacements,macros,-callouts"] ---- ReaderWriterMutexImpl(); ---- [.small]#Created with https://www.mrdocs.com[MrDocs]#