2011-09-02 Pedro Alves <pedro@codesourcery.com>

2011-09-02  Pedro Alves  <pedro@codesourcery.com>

	* top.c: Include interps.h.
	(execute_command): If the target can async, but the interpreter is
	in sync mode, synchronously wait for the command to finish before
	returning.
	(execute_command_to_string): Force the interpreter to sync mode.
	* infrun.c: Include interps.h.
	(fetch_inferior_event): Don't restore the prompt yet if the
	interpreter is in sync mode.
	* interps.c (interpreter_async): New global.
	* interps.h (interpreter_async): Declare.
	* inf-loop.c: Include interps.h.
	(inferior_event_handler): Don't print the language change or run
	breakpoint commands yet if the interpreter in is sync mode.
	* main.c (captured_command_loop): Flip the interpreter to async
	mode.
	* cli/cli-script.c: Include interps.h.
	(execute_user_command, while_command, if_command): Force the
	interpreter to sync mode.
	* python/python.c: Include interps.h.
	(python_command, execute_gdb_command): Force the interpreter to
	sync mode.