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how to get current directory's full pathname in the kernel space?

 
kaijile
Frequent Advisor

тАО08-13-2009 04:41 AM

тАО08-13-2009 04:41 AM

how to get current directory's full pathname in the kernel space?

The struct proc has struct vnode *p_cdir ,but i want to get the proc's current directory's full pathname.


Is there have any ways to do it?
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Laurent Menase
Honored Contributor

тАО08-17-2009 02:43 AM

тАО08-17-2009 02:43 AM

Re: how to get current directory's full pathname in the kernel space?

Hi Kajile,

same as previous, in the same way you get the file name with pstats

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Dennis Handly
Acclaimed Contributor

тАО08-17-2009 02:57 AM

тАО08-17-2009 02:57 AM

Re: how to get current directory's full pathname in the kernel space?

I would imagine since users can't do this directly, neither can the kernel.
getcwd(3) must walk the path using opendir .. and searching for the inode of the subdirectory.
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