[#BloombergLP-bslmt-ThreadGroup-addThread-01a]
= xref:BloombergLP.adoc[BloombergLP]::xref:BloombergLP/bslmt.adoc[bslmt]::xref:BloombergLP/bslmt/ThreadGroup.adoc[ThreadGroup]::addThread
:relfileprefix: ../../../
:mrdocs:

Begin executing the specified invokable `functor` in a new thread, using the optionally specified thread `attributes`. Return 0 on success, and a non‐zero value otherwise. `INVOKABLE` shall be a copy‐constructible type having the equivalent of `void operator()()`. Note that threads are always created joinable, regardless of the mode specified in `attributes`.

== Synopsis

Declared in `<bslmt_threadgroup.h>`

[source,cpp,subs="verbatim,replacements,macros,-callouts"]
----
template<class INVOKABLE>
int
addThread(INVOKABLE const& functor);
----


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