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(* RTentity.def maintains a grouping of different opaque types.
Copyright (C) 2008-2025 Free Software Foundation, Inc.
Contributed by Gaius Mulley <gaius.mulley@southwales.ac.uk>.
This file is part of GNU Modula-2.
GNU Modula-2 is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 3, or (at your option)
any later version.
GNU Modula-2 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
General Public License for more details.
Under Section 7 of GPL version 3, you are granted additional
permissions described in the GCC Runtime Library Exception, version
3.1, as published by the Free Software Foundation.
You should have received a copy of the GNU General Public License and
a copy of the GCC Runtime Library Exception along with this program;
see the files COPYING3 and COPYING.RUNTIME respectively. If not, see
<http://www.gnu.org/licenses/>. *)
DEFINITION MODULE RTentity ;
(*
Title : RTentity
Author : Gaius Mulley
System : GNU Modula-2
Date : Mon Sep 15 15:40:56 2008
Revision : $Version$
Description: provides a set of routines for maintaining an
efficient mechanism to group opaque (or pointer)
data structures together. Internally the
entities are grouped together using a binary
tree. It does not use Storage - and instead
uses malloc, free from libc as Storage uses the
module to detect erroneous deallocations.
*)
IMPORT SYSTEM ;
TYPE
Group ;
PROCEDURE InitGroup () : Group ;
PROCEDURE KillGroup (g: Group) : Group ;
PROCEDURE GetKey (g: Group; a: SYSTEM.ADDRESS) : CARDINAL ;
PROCEDURE PutKey (g: Group; a: SYSTEM.ADDRESS; key: CARDINAL) ;
PROCEDURE DelKey (g: Group; a: SYSTEM.ADDRESS) ;
PROCEDURE IsIn (g: Group; a: SYSTEM.ADDRESS) : BOOLEAN ;
END RTentity.
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