[#BloombergLP-bslstl-StopState-deregister]
= xref:BloombergLP.adoc[BloombergLP]::xref:BloombergLP/bslstl.adoc[bslstl]::xref:BloombergLP/bslstl/StopState.adoc[StopState]::deregister
:relfileprefix: ../../../
:mrdocs:

If the callback of the specified `node` is currently executing, wait for it to complete. Otherwise, remove `node` from the list of nodes registered to this state. The behavior is undefined if this method is called more than once for a given `node` or if `node` was not previously registered to this state by a call to `enregister` that returned `true`.

== Synopsis

Declared in `<bslstl_stopstate.h>`

[source,cpp,subs="verbatim,replacements,macros,-callouts"]
----
void
deregister(xref:BloombergLP/bslstl/StopStateCallbackNode.adoc[StopStateCallbackNode]* node);
----


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