* linux-thread-db.c (thread_db_attach): Delete.

	* linux-thread-db.c (thread_db_attach): Delete.
	(thread_db_detach): Typo fix.  Call target_mourn_inferior
	instead of fixing up proc_handle.
	(have_threads_callback, have_threads): New functions.
	(thread_db_wait): Remove dead proc_handle.pid check.  Only
	translate PTIDs if we have registered threads.  Check for new
	threads if we have none.
	(thread_db_create_inferior, thread_db_post_startup_inferior): Delete.
	(find_new_threads_callback): Only enable event reporting if TID == 0.
	(same_ptid_callback): New.
	(thread_db_get_thread_local_address): Check for new threads.
	(init_thread_db_ops): Don't set to_attach, to_create_inferior,
	or to_post_startup_inferior.

	* thread-db.c (thread_db_find_new_threads): Add prototype.
	(thread_db_create_event): Check for the main thread before adding
	a new thread.
	(maybe_attach_thread): Only enable event reporting if TID == 0.
	(thread_db_get_tls_address): Check for new threads.