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Preface This article aggregates the specific processing of send and recv when selecting 2 cases (1 send/recv case, 1 default case). For more content sharing, please follow the Public Number: Go Development Notes chansend select { case c <- v: ... foo default: ... bar } The bottom corresponding func is selectnbsend. selectnbsend // ...

Block device driver Block device driver is one of the three driving types of Linux. Block device driver is much more complex than character device driver. Different types of storage devices correspond to different driving subsystems. The block device driver framework and its application are introduced below 1, Block device introduction Block ...