2007-02-02 Denis Pilat <denis.pilat@st.com>

2007-02-02  Denis Pilat  <denis.pilat@st.com>

	* thread.c (make_cleanup_restore_current_thread): New function.
	(info_threads_command): Use of make_cleanup_restore_current_thread
	to restore the current thread and the selected frame.
	(restore_selected_frame): New function.
	(struct current_thread_cleanup): Add frame_id field.
	(do_restore_current_thread_cleanup): Add restoring of the selected
	frame.
	(make_cleanup_restore_current_thread): Likewise.
	(thread_apply_all_command): backup the selected frame while
	entering the function and restore it at exit.
	(thread_apply_command): Likewise.