[#BloombergLP-ball-AsyncFileObserver-startPublicationThread]
= xref:BloombergLP.adoc[BloombergLP]::xref:BloombergLP/ball.adoc[ball]::xref:BloombergLP/ball/AsyncFileObserver.adoc[AsyncFileObserver]::startPublicationThread
:relfileprefix: ../../../
:mrdocs:

Start a publication thread to asynchronously publish log records from the record queue. If a publication thread is already active, this operation has no effect. Return 0 on success, and a non‐zero value if there is an error creating the publication thread. Note that log records received by the `publish` method may have accumulated on the queue before the publication thread is started.

== Synopsis

Declared in `<ball_asyncfileobserver.h>`

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