(*# call(o_a_size=>off) *)
(*# call(o_a_copy=>off) *)
DEFINITION MODULE FIOx;
IMPORT FIO;
(*
        Copyright (C) 1988,1989,1990 Jensen & Partners International
*)

  CONST
    NO_ERROR = 0;
    DISK_FULL = MAX(CARDINAL);
    PAST_EOF = MAX(CARDINAL)-1;
    INVALID_PARAMETER = 87;
    RetryCountDefaultValue = 5;
    DelayDefaultValue = 300;

  TYPE
    File = CARDINAL;
    LockRec = RECORD
                pos,
                len : LONGCARD;
              END;
    CountProc = PROCEDURE(): CARDINAL;
    DelayProc = PROCEDURE();
    LockRecPtr = POINTER TO LockRec;
    MultiMode = (_multi_yes,_multi_no,_multi_file);

  CONST
    NULL = LockRecPtr(NIL);

  VAR
    RetryCount : CountProc;
    Delay : DelayProc;

  PROCEDURE Multi(): MultiMode;
  PROCEDURE MultiFile(f: File): BOOLEAN;
  PROCEDURE Lock(f: File; x: LockRec): BOOLEAN;
  PROCEDURE UnLock(f: File; x: LockRec);
(*# save *)
(*# call(o_a_size=>on) *)
  PROCEDURE LockRange(f: File; x: ARRAY OF LockRec): BOOLEAN;
  PROCEDURE UnLockRange(f: File; x: ARRAY OF LockRec);
(*# restore *)
  PROCEDURE Open(Name: ARRAY OF CHAR; Share,ReadOnly,Create: BOOLEAN): File;
  PROCEDURE Truncate(f: File; l: LONGCARD);
  PROCEDURE Read(f: File; VAR b: ARRAY OF BYTE; c: CARDINAL);
  PROCEDURE Write(f: File; b: ARRAY OF BYTE; c: CARDINAL);
  PROCEDURE Error() : CARDINAL;

CONST
(*
  PROCEDURE Close(VAR f: File);
  PROCEDURE Seek(f: File; p: LONGCARD);
  PROCEDURE Size(f: File): LONGCARD;
  PROCEDURE Flush(f: File);
*)
  Close ::= FIO.Close;
  Seek ::= FIO.Seek;
  Size ::= FIO.Size;
  Flush ::= FIO.Flush;

  END FIOx.