[#llvm-StdThreadPool-wait-09]
= xref:llvm.adoc[llvm]::xref:llvm/StdThreadPool.adoc[StdThreadPool]::wait
:relfileprefix: ../../
:mrdocs:

Block until all tasks in the given group complete.

== Synopsis

Declared in `<llvm/Support/ThreadPool.h>`

[source,cpp,subs="verbatim,replacements,macros,-callouts"]
----
virtual
void
wait(xref:llvm/ThreadPoolTaskGroup.adoc[ThreadPoolTaskGroup]& Group) override;
----

== Description

It is possible to wait even inside a task, but waiting (directly or indirectly) on itself will deadlock. If called from a task running on a worker thread, the call may process pending tasks while waiting in order not to waste the thread.

== Parameters

[cols="1,4"]
|===
| Name| Description
| *Group*
| Task group whose tasks to wait for.
|===


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