Ubuntu nautilus 粘贴文件(paste)的时候调用了哪些系统调用(system call)? - V2EX
ttxxyy112233

Ubuntu nautilus 粘贴文件(paste)的时候调用了哪些系统调用(system call)?

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  •   ttxxyy112233 Nov 24, 2018 3168 views
    This topic created in 2732 days ago, the information mentioned may be changed or developed.

    我在 Ubuntu14.04 Desktop 版本上写了一个 hook write(unsigned int fd, const char __user *buf, size_t count) 的 linux kernel module, 发现在 nautilus 下粘贴文件并没用调用 write,而如果在命令行使用 cp 命令则调用了 write,所以想知道 nautilus 调用了哪些 system call 使得在粘贴的时候写入该文件的。

    5 replies    2018-11-24 20:05:27 +08:00
    roychan
        1
    roychan  
       Nov 24, 2018
    strace 看一下
    ttxxyy112233
        2
    ttxxyy112233  
    OP
       Nov 24, 2018
    @roychan 请问 strace 怎么查看实时的系统调用?
    t123yh
        3
    t123yh  
       Nov 24, 2018 via Android
    ttxxyy112233
        4
    ttxxyy112233  
    OP
       Nov 24, 2018
    @t123yh 我看了下 在我的系统上调用的是 splice
    codehz
        5
    codehz  
       Nov 24, 2018 via Android
    有可能是在不同进程哦。。。有时候这种图形界面的软件会用 dbus 把实际运行的任务丢给后台程序去做,避免用户关闭窗口后被中断。。。
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