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globroots.h

/***********************************************************************/
/*                                                                     */
/*                           Objective Caml                            */
/*                                                                     */
/*           Xavier Leroy, projet Cristal, INRIA Rocquencourt          */
/*                                                                     */
/*  Copyright 2001 Institut National de Recherche en Informatique et   */
/*  en Automatique.  All rights reserved.  This file is distributed    */
/*  under the terms of the GNU Library General Public License, with    */
/*  the special exception on linking described in file ../LICENSE.     */
/*                                                                     */
/***********************************************************************/

/***---------------------------------------------------------------------
  Modified and adapted for the Lazy Virtual Machine by Daan Leijen.
  Modifications copyright 2001, Daan Leijen. This (modified) file is
  distributed under the terms of the GNU Library General Public License.
---------------------------------------------------------------------***/

/* $Id: globroots.h 177 2002-11-15 16:21:56Z cvs-3 $ */

/* Registration of global memory roots */

#ifndef _globroots_
#define _globroots_

#include "mlvalues.h"

/* Skip list structure */

struct global_root {
  value * root;                    /* the address of the root */
  struct global_root * forward[1]; /* variable-length array */
};

#define MAX_LEVEL 15

struct global_root_list {
  value * root;                 /* dummy value for layout compatibility */
  struct global_root * forward[MAX_LEVEL]; /* forward chaining */
  int level;                    /* max used level */
};

extern struct global_root_list caml_global_roots;

#endif /* _globroots */

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