Copyright (C) 1990, Digital Equipment Corporation.
All rights reserved.
See the file COPYRIGHT for a full description.
modified on Sat Apr 16 by rrw1000@hermes.cam.ac.uk
modified on Sat Mar 17 07:02:31 1990 by muller
INTERFACE Uipc;
FROM Ctypes IMPORT unsigned_short, long, int;
** <sys/ipc.h> **
TYPE
struct_ipc_perm = RECORD
key: int; (* key *)
uid: unsigned_short; (* owner's user id *)
gid: unsigned_short; (* owner's group id *)
cuid: unsigned_short; (* creator's user id *)
cgid: unsigned_short; (* creator's group id *)
mode: unsigned_short; (* access modes *)
seq: unsigned_short; (* slot usage sequence number *)
END;
Common IPC Definitions.
CONST
(* Mode bits. *)
IPC_ALLOC = 8_0100000; (* entry currently allocated *)
IPC_CREAT = 8_0001000; (* create entry if key doesn't exist *)
IPC_EXCL = 8_0002000; (* fail if key exists *)
IPC_NOWAIT = 8_0004000; (* error if request must wait *)
(* Keys. *)
IPC_PRIVATE : long = 0; (* private key *)
(* Control Commands. *)
IPC_RMID = 0; (* remove identifier *)
IPC_SET = 1; (* set options *)
IPC_STAT = 2; (* get options *)
END Uipc.