Buffer, which provides a blocking FIFO-buffered semantics for the channel with which it is associated.

为与之相关联的通道提供了一个阻塞的先进先出的缓冲语义。

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Once the monitoring application attempts another select or blocking read , those calls will return immediately since there is unread event occurrence data waiting in the buffer.

当监视应用程序试图执行另一次select或阻塞的read调用时，这些调用会立即返回，因为缓冲区中有未读的事件发生数据。

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