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

Prepares the `Mutex` implementation for re‐entry from within a fatal signal handler.

== Synopsis

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

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

== Description

Intended only for last‐ditch attempts to log crash information. It must be invoked from a signal handler that either loops forever or terminates the process.


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