#ifndef MPLIB1_BPO_ALLOC_PRIV
#define MPLIB1_BPO_ALLOC_PRIV
/*
*******************************************************************************
*  Copyright (c) 1996 Martin Poole                            *
*******************************************************************************
**
** WARNING !!  WARNING !! WARNING !! WARNING !! WARNING !! WARNING !!
**
** Any changes to be made to this file should first be checked with
** mplib1 source control for library integrity.
**
** mplib1 source control can be reached at  mplib1@quatermass.co.uk
** 
*
*  $Source$
*  $Author$
*  $Date$
*  $Revision$
*
*******************************************************************************
*
* Change History
*
* $Log$
*
*******************************************************************************
*/

#ident "$Header$"
#ifndef MPLIB1_CONFIG
#include <mplib1/mplib1_config.h>
#endif
#ifndef MPLIB1_BPO_LOCK
#include <mplib1/bpo_lock.h>
#endif
#ifndef MPLIB1_BPO_LIST
#include <mplib1/bpo_list.h>
#endif
#ifndef MPLIB1_BPO_INIT
#include <mplib1/bpo_init.h>
#endif

/* ------------------------------------------------------------------
    defines
   ------------------------------------------------------------------ */

#define MIN_SHALLOC_SIZE	32
#define MIN_SHALLOC_MASK	0xffffffe0

#define STD_NUM_TRACK_BLKS	100

/* ------------------------------------------------------------------
    structures
   ------------------------------------------------------------------ */

struct shalloc_track_head
{
off_t	lno_me;
off_t	next_track_head;
size_t	head_and_tracks;
size_t	num_tracks;
size_t	num_empty;
int	sth_flags;
};

struct shalloc_track
{
off_t	sh_off;
size_t	sh_size;
};

struct shalloc_base
{
off_t	lno_me;
size_t	sh_size;
off_t	lno_first_free;
off_t	lno_first_used;
b_lock_t	sb_lock;
struct	shalloc_track	emergency_used;
struct	sodb_resource	shalloc_resource;
char	shalloc_name[10];
};

/* ------------------------------------------------------------------
    function definitions
   ------------------------------------------------------------------ */

extern struct sodb_resource *
shalloc_init( void *seg_base, off_t shalloc_base_off, size_t shalloc_sz );


#endif
/* -- End of File -- */