• 这样处理方式下,write系统调用返回信号中断字节errno全局变量设置成功

    By doing this the write system call returns with the number of bytes it wrote before it got interrupted and the errno set to success.

    youdao

  • 是因为只有一些系统调用可以安全地调用内部信号:只有可重入的(re -entrant)或者信号中断调用才可以安全地调用

    That's because only a few system calls can be safely called inside signals. Only calls that are re-entrant or not interruptible by signals can be called safely.

    youdao

  • 是因为只有一些系统调用可以安全地调用内部信号:只有可重入的(re -entrant)或者信号中断调用才可以安全地调用

    That's because only a few system calls can be safely called inside signals. Only calls that are re-entrant or not interruptible by signals can be called safely.

    youdao

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