[#absl-Mutex-AssertNotHeld]
= xref:absl.adoc[absl]::xref:absl/Mutex.adoc[Mutex]::AssertNotHeld
:relfileprefix: ../../
:mrdocs:

Asserts that this thread does not hold this `Mutex` in any mode.

== Synopsis

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

[source,cpp,subs="verbatim,replacements,macros,-callouts"]
----
void
AssertNotHeld() const;
----

== Description

Intended only as a debugging aid; it may report an error or return immediately.


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