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(*
Title: Standard Basis Library: Unix socket structure and signature.
Author: David Matthews
Copyright David Matthews 2000, 2005
This library is free software; you can redistribute it and/or
modify it under the terms of the GNU Lesser General Public
License as published by the Free Software Foundation; either
version 2.1 of the License, or (at your option) any later version.
This library is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
Lesser General Public License for more details.
You should have received a copy of the GNU Lesser General Public
License along with this library; if not, write to the Free Software
Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
*)
(* G&R 2004 status: Checked. No change except that it seems I'd commented out some of the
type equivalences. *)
signature UNIX_SOCK =
sig
type unix
type 'sock_type sock = (unix, 'sock_type) Socket.sock
type 'mode stream_sock = 'mode Socket.stream sock
type dgram_sock = Socket.dgram sock
type sock_addr = unix Socket.sock_addr
val unixAF : Socket.AF.addr_family
val toAddr : string -> sock_addr
val fromAddr : sock_addr -> string
structure Strm :
sig
val socket : unit -> 'mode stream_sock
val socketPair : unit -> 'mode stream_sock * 'mode stream_sock
end
structure DGrm :
sig
val socket : unit -> dgram_sock
val socketPair : unit -> dgram_sock * dgram_sock
end
end;
structure UnixSock : UNIX_SOCK =
struct
abstype unix = ABSTRACT with end;
type 'sock_type sock = (unix, 'sock_type) Socket.sock
type 'mode stream_sock = 'mode Socket.stream sock
type dgram_sock = Socket.dgram sock
type sock_addr = unix Socket.sock_addr
val unixAF : Socket.AF.addr_family =
case Socket.AF.fromString "UNIX" of
NONE => raise OS.SysErr("Missing address family", NONE)
| SOME s => s
local
val doCall: int * string -> sock_addr
= RunCall.run_call2 RuntimeCalls.POLY_SYS_network
in
fun toAddr s = doCall(56, s)
end
local
val doCall: int * sock_addr -> string
= RunCall.run_call2 RuntimeCalls.POLY_SYS_network
in
fun fromAddr s = doCall(57, s)
end
structure Strm =
struct
fun socket() = GenericSock.socket(unixAF, Socket.SOCK.stream)
fun socketPair() = GenericSock.socketPair(unixAF, Socket.SOCK.stream)
end
structure DGrm =
struct
fun socket() = GenericSock.socket(unixAF, Socket.SOCK.dgram)
fun socketPair() = GenericSock.socketPair(unixAF, Socket.SOCK.dgram)
end
end;
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