[#absl-Barrier-2constructor-0bb]
= xref:absl.adoc[absl]::xref:absl/Barrier.adoc[Barrier]::Barrier
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:mrdocs:

Constructors

== Synopses

Declared in `<absl/synchronization/barrier.h>`

Deleted copy constructor; `Barrier` is not copyable.


[source,cpp,subs="verbatim,replacements,macros,-callouts"]
----
xref:absl/Barrier/2constructor-0f.adoc[Barrier](xref:absl/Barrier.adoc[Barrier] const& other) = delete;
----

[.small]#xref:absl/Barrier/2constructor-0f.adoc[_» more..._]#

Constructs a barrier for a fixed number of participating threads.


[source,cpp,subs="verbatim,replacements,macros,-callouts"]
----
explicit
xref:absl/Barrier/2constructor-0b9.adoc[Barrier](int num_threads);
----

[.small]#xref:absl/Barrier/2constructor-0b9.adoc[_» more..._]#

== Parameters

[cols="1,4"]
|===
| Name| Description
| *num_threads*
| The number of threads that will participate in the barrier.
|===


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