#ifndef MPLIB1_BPO_PROC_INTERNAL
#define MPLIB1_BPO_PROC_INTERNAL
/*
*******************************************************************************
*  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 "$Header$"

#ifdef CXREF
#include <sys/types.h>
#include <mplib1/dl_list.h>
#endif

#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
#ifndef MPLIB1_BPO_ALLOC
#include <mplib1/bpo_alloc.h>
#endif

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

#ifndef BIT
#define BIT(n)			(1<<(n))
#endif

#define SHM_INHERIT_GROUP	BIT(0)
#define SHM_INHERIT_PROGRAM	BIT(1)
#define SHM_AUTOMAGIC_PIPE	BIT(2)

#define SHM_CHECK_ALL_PROCESSES		1
#define SHM_CHECK_THIS_PROCESS		2
#define SHM_CHECK_DEAD_PROCESSES	3

/* Return values to the validate processes inform call */
#define SHM_LEAVE_PROC	0
#define SHM_DELETE_PROC	1

#ifndef PID_STR_LEN
#define PID_STR_LEN	12
#endif

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

struct shm_proc_list
{
off_t           lno_me;
int		serial_nbr;
time_t		update_tm;
bpo_List_t	proc_List;
};

struct shm_process
{
off_t		lno_me;
bpo_Node_t	proc_Node;
pid_t		pid;
time_t		pid_start_tm;
bpo_List_t	pid_resources;
char		pid_str[PID_STR_LEN];
off_t		pid_grp_o;
off_t		pid_nm_o;
off_t		pid_fifo_o;
};

struct shm_process_private
{
dl_Node_t	spp_Node;
pid_t	pid;
char	pid_str[PID_STR_LEN];
char	*pid_grp;
char	*pid_nm;
char	*pid_fifo;
int	fifo_fd;
int	fifo_created;
mode_t	fifo_mode;
time_t	pid_start_tm;
struct	shm_process	*spp;
};

struct cache_proc_list
{
dl_Node_t	lnk_node;
char	ptr_str[40];
unsigned	long	serial_nbr;
time_t	update_tm;
struct	shm_proc_list	*splp;
dl_List_t	proc_list;
dl_List_t	old_proc_list;
};

typedef int (* Validate_Processes_t)( struct shm_process_private *shmpp,
					void *param1 );

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

/* Allocate functions */
extern struct shm_process_private *
alloc_private_process( pid_t the_pid, const char *pid_grp,
			const char *pid_nm, const char *pid_fifo );
extern void
free_private_process( struct shm_process_private *sppp );

#ifndef MPLIB1_BPO_PROC
extern struct shm_process_private * Get_My_Proc_Details( mode_t privs );
extern struct shm_process_private * Check_My_Proc_Details( void );
#endif

extern int
Validate_Processes( const void * hint, int which_procs,
		    Validate_Processes_t disp,
		    void *param1 );

extern struct shm_proc_list *Find_Proc_List( const void *hint );
extern struct cache_proc_list *Get_Cache_Procs( const void *hint );

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