head	1.7;
access;
symbols
	Version_2_1:1.5
	Version_2:1.1;
locks; strict;
comment	@ * @;


1.7
date	92.01.13.02.23.22;	author mao;	state Exp;
branches;
next	1.6;

1.6
date	91.12.15.02.00.52;	author glass;	state Exp;
branches;
next	1.5;

1.5
date	90.10.25.02.40.41;	author kemnitz;	state Exp;
branches;
next	1.4;

1.4
date	90.10.22.19.25.36;	author kemnitz;	state Exp;
branches;
next	1.3;

1.3
date	90.10.12.21.49.37;	author kemnitz;	state Exp;
branches;
next	1.2;

1.2
date	90.08.17.08.54.07;	author cimarron;	state Exp;
branches;
next	1.1;

1.1
date	89.09.17.23.26.50;	author dillon;	state Version_2;
branches;
next	;


desc
@Used to be local to utils/fmgr, but now that the dynamic_loader
is spread out in the port directories ...

This is a common .h file
@


1.7
log
@flatten include file graph
@
text
@
/*
 *	DYNAMIC_LOADER.H
 *
 *	$Header: /n/hermes/usr5/postgres/mao/postgres/src/lib/H/utils/RCS/dynamic_loader.h,v 1.6 1991/12/15 02:00:52 glass Exp mao $
 */

#ifndef Dynamic_loaderHIncluded
#define Dynamic_loaderHIncluded 1 /* include once only */

#include <sys/types.h>


func_ptr	dynamic_load();

typedef struct {
    func_ptr    func;
    char        *name;
} FList;

extern FList ExtSyms[];

/*
 * The new dynamic loader scheme loads each file one at a time.  Therefore,
 * we must note each function in the file at load time.
 *
 */

/*
 * Dynamically loaded function list.
 */

typedef struct df_list
{
    char funcname[16];				/* Name of function */
    func_ptr func;					/* Function address */
    struct df_list *next;
}
DynamicFunctionList;

/*
 * List of dynamically loaded files.
 */

typedef struct df_files
{
    char filename[256];				/* Full pathname of file */
	dev_t device;					/* Device file is on */
	ino_t inode;					/* Inode number of file */
    DynamicFunctionList *func_list;	/* List of functions */
	char *address;					/* Memory allocated for file */
	long size;						/* Size of memory allocated for file */
    struct df_files *next;
}
DynamicFileList;

#endif Dynamic_loaderHIncluded
@


1.6
log
@fmgr cleanups
@
text
@d5 1
a5 1
 *	$Header: lib/H/utils/RCS/dynamic_loader.h,v 1.5 90/10/25 02:40:41 kemnitz Exp Locker: glass $
d10 2
@


1.5
log
@New fields added to support file uniqueness guarantee.
@
text
@d5 1
a5 1
 *	$Header: src/lib/H/utils/RCS/dynamic_loader.h,v 1.4 90/10/22 19:25:36 kemnitz Exp Locker: kemnitz $
a10 1
typedef char *	((*func_ptr)());
@


1.4
log
@Added new fields to structs used to maintain the loader function table.
@
text
@d5 1
a5 1
 *	$Header: RCS/dynamic_loader.h,v 1.3 90/10/12 21:49:37 kemnitz Exp Locker: kemnitz $
d47 2
@


1.3
log
@Added new structs used by dfmgr and the new dynamic loader.
@
text
@d5 1
a5 1
 *	$Header: RCS/dynamic_loader.h,v 1.2 90/08/17 08:54:07 cimarron Exp Locker: kemnitz $
a10 2
#include "tmp/c.h"

d48 2
@


1.2
log
@added pathnames to #include statements
@
text
@d5 1
a5 1
 *	$Header: RCS/dynamic_loader.h,v 1.1 89/09/17 23:26:50 dillon Version_2 Locker: cimarron $
d23 30
@


1.1
log
@Initial revision
@
text
@d5 1
a5 1
 *	$Header: RCS/dynamic_loader.h,v 1.2 89/09/06 17:14:26 dillon Exp Locker: dillon $
d8 2
a9 3
#ifndef CIncluded
#include "c.h"
#endif
d11 2
d24 1
@