Re: getting fd from pointer to sock

[Amit Shah <shahamit@gmx.net>]

Hi,

I wanted a mapping from the scok struct to the fd... I know the mapping from
the task_struct to the sock... I just want the reverse.


On Wed, 14 Aug 2002 10:33:00 -0700
Marco Cova <giardini@libero.it> wrote:

MC> Hi.
MC> 
MC> This is how the different data structures are related to each other:
MC> 
MC> struct task_struct --> struct files_struct * --> struct file **  -->
MC>  (current)       (files)                    (fd)
MC> 
MC>   -->  struct dentry  --> struct inode  --> struct socket  --> struct
MC>   sock
MC> (f_dentry)         (d_inode)          (u.socket_i)        (sk)
MC> 
MC> 
MC> Mmmh, not too clear? It means: you can get a pointer to a struct
MC> files_struct through the 'files' field in the struct task_struct. From
MC> that and its field 'fd', you can a pointer to a struct file, and so on.
MC> 
MC> 
MC> 
MC> HTH,
MC> Marco
MC> 
--- 

  - Amit
Want to know more about me? Follow this link-> http://amitshah.nav.to/
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