On 3/5/07, Avishay Traeger <atraeger@xxxxxxxxxxxxx> wrote:
On Mon, 2007-03-05 at 13:47 +0100, Martin Mancuska wrote:
> Hi,
>
> maybe struct task_struct is that what you are looking for.
>
> martin
More specifically, in "struct task_struct", there is a field "struct
files_struct *files", which should have all of the information that
you're looking for.
Actually, I am able to find the pid, ppid, state of the process.
But, I am not able to find the count of the files opened by the process. I am aware of the fact that files_struct *files pointer gives information about the open files. But, not sure how to get them.
Because, of RCU files_struct is changed and it makes use of struct fdtable (this is the only thing I grasped from Documentation/fs/files.txt) (i m using 2.6.20 kernel)
struct files_struct {
/*
* read mostly part
*/
atomic_t count;
struct fdtable *fdt;
struct fdtable fdtab;
/*
* written part on a separate cache line in SMP
*/
spinlock_t file_lock ____cacheline_aligned_in_smp;
int next_fd;
struct embedded_fd_set close_on_exec_init;
struct embedded_fd_set open_fds_init;
struct file * fd_array[NR_OPEN_DEFAULT];
};
There are two fdtables not sure which one will give me the number of files opened and names of the files opened by the process.
Avishay
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