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PipeWriter

tg_rcore_tutorial_easy_fs

Struct PipeWriter 

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pub struct PipeWriter { /* private fields */ }
Expand description

管道写端

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impl PipeWriter

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pub fn write(&self, buf: UserBuffer) -> isize

将用户缓冲区数据写入管道。

返回值：

  • > 0: 实际写入的字节数
  • -2: 当前无空间可写（需等待）

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