[#BloombergLP-bdlma-ConcurrentPool-2constructor-03]
= xref:BloombergLP.adoc[BloombergLP]::xref:BloombergLP/bdlma.adoc[bdlma]::xref:BloombergLP/bdlma/ConcurrentPool.adoc[ConcurrentPool]::ConcurrentPool
:relfileprefix: ../../../
:mrdocs:

Create a memory pool that returns blocks of contiguous memory of the specified `blockSize` (in bytes) for each `allocate` method invocation. Optionally specify a `growthStrategy` used to control the growth of internal memory chunks (from which memory blocks are dispensed). If `growthStrategy` is not specified, geometric growth is used. Optionally specify `maxBlocksPerChunk` as the maximum chunk size. If geometric growth is used, the chunk size grows starting at `blockSize`, doubling in size until the size is exactly `blockSize * maxBlocksPerChunk`. If constant growth is used, the chunk size is always `maxBlocksPerChunk`. If `maxBlocksPerChunk` is not specified, an implementation‐defined value is used. Optionally specify a `basicAllocator` used to supply memory. If `basicAllocator` is 0, the currently installed default allocator is used. The behavior is undefined unless `1 <= blockSize` and `1 <= maxBlocksPerChunk`.

== Synopsis

Declared in `<bdlma_concurrentpool.h>`

[source,cpp,subs="verbatim,replacements,macros,-callouts"]
----
explicit
ConcurrentPool(
    xref:BloombergLP/bsls/Types/size_type.adoc[bsls::Types::size_type] blockSize,
    xref:BloombergLP/bslma/Allocator.adoc[bslma::Allocator]* basicAllocator = 0);
----


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