2012-06-12 Pedro Alves <palves@redhat.com>

2012-06-12  Pedro Alves  <palves@redhat.com>

	* infrun.c (infrun_thread_stop_requested_callback): Don't switch
	threads here.
	(prepare_for_detach): No longer context switch here in non-stop
	mode.
	(fetch_inferior_event): Ditto.
	(handle_inferior_event) <STOP_QUIETLY || NO_STOP_QUIETLY>: Switch
	to the event thread before removing breakpoints.  Switch to the
	event thread before inserting breakpoints and resuming.
	(handle_inferior_event) <TARGET_WAITKIND_SPURIOUS>: Switch to the
	event thread before resuming.
	(handle_inferior_event) <stepping_past_singlestep_breakpoint>:
	Switch to the event thread before removing breakpoints.