[#BloombergLP-bdlma-ConcurrentPoolAllocator-reserveCapacity]
= xref:BloombergLP.adoc[BloombergLP]::xref:BloombergLP/bdlma.adoc[bdlma]::xref:BloombergLP/bdlma/ConcurrentPoolAllocator.adoc[ConcurrentPoolAllocator]::reserveCapacity
:relfileprefix: ../../../
:mrdocs:

Reserve capacity for at least `numObjects` objects from this allocator.

== Synopsis

Declared in `<bdlma_concurrentpoolallocator.h>`

[source,cpp,subs="verbatim,replacements,macros,-callouts"]
----
void
reserveCapacity(int numObjects);
----

== Description

The behavior is undefined unless `0 <= numObjects`. Note that this operation has no effect unless block size was supplied at construction, or `allocate` was invoked.

== Parameters

[cols="1,4"]
|===
| Name| Description
| *numObjects*
| minimum number of objects to reserve capacity for
|===


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