source/exsinglesv/lp.c

0001 /**
0002  * @brief Lock provder server specifics
0003  *
0004  * @file lp.c
0005  */
0006 /* -----------------------------------------------------------------------------
0007  * Enduro/X Middleware Platform for Distributed Transaction Processing
0008  * Copyright (C) 2009-2016, ATR Baltic, Ltd. All Rights Reserved.
0009  * Copyright (C) 2017-2023, Mavimax, Ltd. All Rights Reserved.
0010  * This software is released under one of the following licenses:
0011  * AGPL (with Java and Go exceptions) or Mavimax's license for commercial use.
0012  * See LICENSE file for full text.
0013  * -----------------------------------------------------------------------------
0014  * AGPL license:
0015  *
0016  * This program is free software; you can redistribute it and/or modify it under
0017  * the terms of the GNU Affero General Public License, version 3 as published
0018  * by the Free Software Foundation;
0019  *
0020  * This program is distributed in the hope that it will be useful, but WITHOUT ANY
0021  * WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A
0022  * PARTICULAR PURPOSE. See the GNU Affero General Public License, version 3
0023  * for more details.
0024  *
0025  * You should have received a copy of the GNU Affero General Public License along
0026  * with this program; if not, write to the Free Software Foundation, Inc.,
0027  * 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
0028  *
0029  * -----------------------------------------------------------------------------
0030  * A commercial use license is available from Mavimax, Ltd
0031  * contact@mavimax.com
0032  * -----------------------------------------------------------------------------
0033  */
0034 #include <stdio.h>
0035 #include <stdlib.h>
0036 #include <string.h>
0037 #include <errno.h>
0038 #include <regex.h>
0039 #include <utlist.h>
0040 #include <unistd.h>
0041 #include <assert.h>
0042
0043 #include <ndebug.h>
0044 #include <atmi.h>
0045 #include <atmi_int.h>
0046 #include <typed_buf.h>
0047 #include <ndrstandard.h>
0048 #include <ubf.h>
0049 #include <ubfutil.h>
0050 #include <cconfig.h>
0051 #include "exsinglesv.h"
0052 #include <Exfields.h>
0053 #include <singlegrp.h>
0054 /*---------------------------Externs------------------------------------*/
0055 /*---------------------------Macros-------------------------------------*/
0056 /*---------------------------Enums--------------------------------------*/
0057 /*---------------------------Typedefs-----------------------------------*/
0058 /*---------------------------Globals------------------------------------*/
0059 /*---------------------------Statics------------------------------------*/
0060 /*---------------------------Prototypes---------------------------------*/
0061 /**
0062  * Un-init procedure.
0063  * Close any open lock files.
0064  * @param normal_unlock shall we perform normal unlock (i.e. we were locked)
0065  * @param force_unlock shall we force unlock (i.e. we were not locked)
0066  */
0067 expublic void ndrx_exsinglesv_uninit(int normal_unlock, int force_unlock)
0068 {
0069     int do_unlock=EXFALSE;
0070
0071     if (ndrx_G_exsinglesv_conf.locked1)
0072     {
0073         ndrx_exsinglesv_file_unlock(NDRX_LOCK_FILE_1);
0074
0075         if (normal_unlock || force_unlock)
0076         {
0077             do_unlock = EXTRUE;
0078         }
0079     }
0080     else if (force_unlock)
0081     {
0082         do_unlock = EXTRUE;
0083     }
0084
0085     if (do_unlock)
0086     {
0087         ndrx_sg_shm_t * sg = ndrx_sg_get(ndrx_G_exsinglesv_conf.procgrp_lp_no);
0088
0089         if (NULL!=sg)
0090         {
0091             ndrx_sg_unlock(sg,
0092                 force_unlock?NDRX_SG_RSN_LOCKE:NDRX_SG_RSN_NORMAL);
0093         }
0094     }
0095
0096     ndrx_G_exsinglesv_conf.is_locked=EXFALSE;
0097 }
0098
0099
0100 /* vim: set ts=4 sw=4 et smartindent: */