[#absl-Mutex-lock_shared]
= xref:absl.adoc[absl]::xref:absl/Mutex.adoc[Mutex]::lock&lowbar;shared
:relfileprefix: ../../
:mrdocs:

Blocks the calling thread, if necessary, until this `Mutex` is either free or in shared mode, and then acquires a share of it&period;

== Synopsis

Declared in `&lt;absl&sol;synchronization&sol;mutex&period;h&gt;`

[source,cpp,subs="verbatim,replacements,macros,-callouts"]
----
void
lock&lowbar;shared();
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