Re: PTRACE_GET_THREAD_AREA

[Christoph Hellwig]

On Fri, Dec 20, 2002 at 12:32:41AM -0800, Roland McGrath wrote:
> This patch vs 2.5.51 (should apply fine to 2.5.52) adds two new ptrace
> requests for i386, PTRACE_GET_THREAD_AREA and PTRACE_SET_THREAD_AREA.
> These let another process using ptrace do the equivalent of performing
> get_thread_area and set_thread_area system calls for another thread.

I don't think ptrace is the right interface for this.  Just changed
the get_thread_area/set_thread_area to take a new first pid_t argument.

Of course you might have to check privilegues if the first argument is
non-null (i.e. not yourself).