[#BloombergLP-bdlma-ConcurrentPoolAllocator-allocate-0f]
= xref:BloombergLP.adoc[BloombergLP]::xref:BloombergLP/bdlma.adoc[bdlma]::xref:BloombergLP/bdlma/ConcurrentPoolAllocator.adoc[ConcurrentPoolAllocator]::allocate
:relfileprefix: ../../../
:mrdocs:

Return a newly allocated block of memory of (at least) the specified positive `size` (in bytes), and having alignment conforming to the platform requirement for any object having `size` bytes. If `size` is 0, a null pointer is returned with no effect. If the block size is not supplied at construction, then the `size` specified in the first call to this method fixes the block size. If `size` is greater than the value returned by `blockSize`, the allocation request will be satisfied directly by the external allocator supplied at construction (or the default allocator, if no allocator was supplied).

== Synopsis

Declared in `<bdlma_concurrentpoolallocator.h>`

[source,cpp,subs="verbatim,replacements,macros,-callouts"]
----
virtual
void*
allocate(xref:BloombergLP/bdlma/ConcurrentPoolAllocator/size_type.adoc[size_type] size) override;
----


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