[#absl-Mutex-2constructor-027]
= xref:absl.adoc[absl]::xref:absl/Mutex.adoc[Mutex]::Mutex
:relfileprefix: ../../
:mrdocs:

Creates a `Mutex` that is not held by anyone.

== Synopsis

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

[source,cpp,subs="verbatim,replacements,macros,-callouts"]
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Mutex();
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== Description

This constructor is typically used for Mutexes allocated on the heap or the stack. To create `Mutex` instances with static storage duration (e.g. a namespace‐scoped or global variable), see `Mutex::Mutex(absl::kConstInit)` below instead.


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