[#absl-ReaderMutexLock-2constructor-094]
= xref:absl.adoc[absl]::xref:absl/ReaderMutexLock.adoc[ReaderMutexLock]::ReaderMutexLock
:relfileprefix: ../../
:mrdocs:

Acquires a shared lock on `mu` once `cond` holds.

== Synopsis

Declared in `<absl/synchronization/mutex.h>`

[source,cpp,subs="verbatim,replacements,macros,-callouts"]
----
explicit
ReaderMutexLock(
    xref:absl/Mutex.adoc[Mutex]& mu,
    xref:absl/Condition.adoc[Condition] const& cond);
----

== Parameters

[cols="1,4"]
|===
| Name| Description
| *mu*
| The mutex to lock.
| *cond*
| The condition to wait for before locking.
|===


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