[#BloombergLP-bdlmt-ThreadPool-start] = xref:BloombergLP.adoc[BloombergLP]::xref:BloombergLP/bdlmt.adoc[bdlmt]::xref:BloombergLP/bdlmt/ThreadPool.adoc[ThreadPool]::start :relfileprefix: ../../../ :mrdocs: Enable queuing on this thread pool and spawn `minThreads()` processing threads. Return 0 on success, and a non‐zero value otherwise. If `minThreads()` threads were not successfully started, all threads are stopped. == Synopsis Declared in `<bdlmt_threadpool.h>` [source,cpp,subs="verbatim,replacements,macros,-callouts"] ---- int start(); ---- [.small]#Created with https://www.mrdocs.com[MrDocs]#