head	1.1;
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	release_4_2:1.1
	aix_ok:1.1
	Version_2_1:1.1;
locks; strict;
comment	@ * @;


1.1
date	90.08.17.11.26.07;	author cimarron;	state Exp;
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1.1
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@definition of BackendId and BackendTag types.
@
text
@/*
 * backendid.h --
 *	POSTGRES backend id communication definitions
 *
 * Identification:
 *	$Header: RCS/sinval.h,v 1.5 90/08/17 08:53:41 cimarron Exp Locker: cimarron $
 */

#ifndef	BackendIdHincluded
#define BackendIdHincluded 1

/* ----------------
 *	pulled out of sinval.h to temporarily reduce #include nesting.
 *	-cim 8/17/90
 * ----------------
 */
typedef int16	BackendId;	/* unique currently active backend identifier */

#define InvalidBackendId	(-1)

typedef int32	BackendTag;	/* unique backend identifier */

#define InvalidBackendTag	(-1)

extern BackendId	MyBackendId;	/* backend id of this backend */
extern BackendTag	MyBackendTag;	/* backend tag of this backend */

#endif BackendIdHincluded
@