From mboxrd@z Thu Jan  1 00:00:00 1970
From: winter <winter.sui@gmail.com>
Subject: Re: Problems with current file descriptor
Date: Thu, 27 Oct 2005 10:34:28 +0800
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To: Sergio Paracuellos <sparacuellos@lock-linux.com>
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2005/10/26, Sergio Paracuellos <sparacuellos@lock-linux.com>:
> Hi all,
>
> I have problems to know whats is the current file descriptor.
>
> "task_struct" have a files_struct structure which contains all files for
> a process in "fd". If I want to get the complete path for one of them,
> How can I know what is the correct one in fd_array?
>
> I suppose is something like:
>
> path = d_path(task->files->fd[x]->f_dentry,
> task->files->fd[x]->f_vfsmnt, buf, PAGE_SIZE);
>
> But I don't know how to know this x for my correct file (for example the
> last file I used).
current file ?what is meaning?
for exmaple ,you opened 3 file, file1,file2, file3. which is current file?