db_vers_c.x revision 7c478bd95313f5f23a4c958a745db2134aa03244
/*
* CDDL HEADER START
*
* The contents of this file are subject to the terms of the
* Common Development and Distribution License, Version 1.0 only
* (the "License"). You may not use this file except in compliance
* with the License.
*
* You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
* or http://www.opensolaris.org/os/licensing.
* See the License for the specific language governing permissions
* and limitations under the License.
*
* When distributing Covered Code, include this CDDL HEADER in each
* file and include the License file at usr/src/OPENSOLARIS.LICENSE.
* If applicable, add the following below this CDDL HEADER, with the
* fields enclosed by brackets "[]" replaced with your own identifying
* information: Portions Copyright [yyyy] [name of copyright owner]
*
* CDDL HEADER END
*/
/*
* db_vers_c.x
*
* Copyright (c) 1988-2000 by Sun Microsystems, Inc.
* All Rights Reserved.
*/
%#pragma ident "%Z%%M% %I% %E% SMI"
#if RPC_HDR
%#ifndef _DB_VERS_H
%#define _DB_VERS_H
#endif RPC_HDR
%/* 'vers' is the version identifier. */
%
%#include "nisdb_rw.h"
%
#if RPC_HDR || RPC_XDR
#ifdef USINGC
struct vers {
u_int vers_high;
u_int vers_low;
u_int time_sec;
u_int time_usec;
__nisdb_rwlock_t vers_rwlock;
};
#endif USINGC
#endif RPC_HDR
#ifndef USINGC
#ifdef RPC_HDR
%class vers {
% unsigned int vers_high; /* major version number, tracks checkpoints */
% unsigned int vers_low; /* minor version number, tracks updates. */
% unsigned int time_sec; /* time stamp */
% unsigned int time_usec;
% STRUCTRWLOCK(vers);
% public:
%/* No argument constructor. All entries initialized to zero. */
% vers() {
% vers_high = vers_low = time_sec = time_usec = 0;
% INITRW(vers);
% }
%
%/* Constructor that makes copy of 'other'. */
% vers( vers *other );
%
%/* Constructor: create version with specified version numbers */
% vers( unsigned int high, unsigned int low) {
% vers_high = high; vers_low = low; time_sec = time_usec = 0;
% INITRW(vers);
% }
%
%/* Creates new 'vers' with next higher minor version.
% If minor version exceeds MAXLOW, bump up major version instead.
% Set timestamp to that of the current time. */
% vers* nextminor();
%
%/* Creates new 'vers' with next higher major version.
% Set timestamp to that of the current time. */
% vers* nextmajor();
%
%/* Set this 'vers' to hold values found in 'others'. */
% void assign( vers *other );
%
%/* Predicate indicating whether this vers is earlier than 'other' in
% terms of version numbers. */
% bool_t earlier_than( vers *other );
%
%/* Print the value of this 'vers' to specified file. */
% void print( FILE *file );
%
%/* Zero out this vers. */
% void zero();
%
%/* Predicate indicating whether this vers is equal to 'other'. */
% bool_t equal( vers *other);
%
%/* Locking methods */
%
% int acqexcl(void) {
% return (WLOCK(vers));
% }
%
% int relexcl(void) {
% return (WULOCK(vers));
% }
%
% int acqnonexcl(void) {
% return (RLOCK(vers));
% }
%
% int relnonexcl(void) {
% return (RULOCK(vers));
% }
%};
#endif RPC_HDR
#endif USINGC
#if RPC_HDR
%#endif VERS_H
#endif RPC_HDR