1e41f4b71Sopenharmony_ci# SharedArrayBuffer对象
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3e41f4b71Sopenharmony_ciSharedArrayBuffer内部包含一块Native内存，支持跨并发实例间共享，但是访问及修改需要采用Atomics类，防止数据竞争。SharedArrayBuffer可以用于多个并发实例间的状态共享或者数据共享。通信过程如下图所示：
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5e41f4b71Sopenharmony_ci![sharedarraybufer](figures/sharedarraybufer.png)
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