[Home](./index.md) > [rc-js-util](./rc-js-util.md) > [SharedMemoryBlock](./rc-js-util.sharedmemoryblock.md) ## SharedMemoryBlock class Provides a reference counted wrapper to a pointer `malloc`'d from JS and is `free`'d on reference count hitting 0. **Signature:** ```typescript export declare class SharedMemoryBlock implements ISharedMemoryBlock ``` **Implements:** [ISharedMemoryBlock](./rc-js-util.isharedmemoryblock.md) ## Constructors

Constructor	Modifiers	Description
[(constructor)(wrapper, owner, pointer, byteSize)](./rc-js-util.sharedmemoryblock._constructor_.md)	`protected`	Constructs a new instance of the `SharedMemoryBlock` class

## Properties

Property	Modifiers	Type	Description
[byteSize](./rc-js-util.sharedmemoryblock.bytesize.md)	`readonly`	number
[pointer](./rc-js-util.sharedmemoryblock.pointer.md)	`readonly`	number
[resourceHandle](./rc-js-util.sharedmemoryblock.resourcehandle.md)	`readonly`	[IManagedResourceNode](./rc-js-util.imanagedresourcenode.md)

## Methods

Method	Modifiers	Description
[createOne(wrapper, bindToReference, byteSize)](./rc-js-util.sharedmemoryblock.createone.md)	`static`
[createOne(wrapper, bindToReference, byteSize, allocationFailThrows)](./rc-js-util.sharedmemoryblock.createone_1.md)	`static`
[getDataView()](./rc-js-util.sharedmemoryblock.getdataview.md)
[getWrapper()](./rc-js-util.sharedmemoryblock.getwrapper.md)