2011-05-27 Pedro Alves <pedro@codesourcery.com>

2011-05-27  Pedro Alves  <pedro@codesourcery.com>

	gdb/
	* defs.h (continuation_ftype, continuation_free_arg_ftype): New
	typedefs.
	(add_continuation, add_intermediate_continuation)
	(add_inferior_continuation): Use them.
	* continuations.c (struct continuation): Use them.
	(make_continuation_ftype): Delete.
	(make_continuation, add_inferior_continuation, add_continuation)
	(add_intermediate_continuation): Use continuation_ftype and
	continuation_free_arg_ftype.  Rename parameters to shorter names.