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Annotation of freem/src/global_bltin.h, revision 1.5

1.1       snw         1: /*
1.5     ! snw         2:  *   $Id: global_bltin.h,v 1.4 2025/04/08 14:39:21 snw Exp $
1.1       snw         3:  *    built-in global handler header
                      4:  *
                      5:  *  
1.2       snw         6:  *   Author: Serena Willis <snw@coherent-logic.com>
1.1       snw         7:  *    Copyright (C) 1998 MUG Deutschland
1.3       snw         8:  *    Copyright (C) 2020, 2025 Coherent Logic Development LLC
1.1       snw         9:  *
                     10:  *
                     11:  *   This file is part of FreeM.
                     12:  *
                     13:  *   FreeM is free software: you can redistribute it and/or modify
                     14:  *   it under the terms of the GNU Affero Public License as published by
                     15:  *   the Free Software Foundation, either version 3 of the License, or
                     16:  *   (at your option) any later version.
                     17:  *
                     18:  *   FreeM is distributed in the hope that it will be useful,
                     19:  *   but WITHOUT ANY WARRANTY; without even the implied warranty of
                     20:  *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
                     21:  *   GNU Affero Public License for more details.
                     22:  *
                     23:  *   You should have received a copy of the GNU Affero Public License
                     24:  *   along with FreeM.  If not, see <https://www.gnu.org/licenses/>.
                     25:  *
1.4       snw        26:  *   $Log: global_bltin.h,v $
1.5     ! snw        27:  *   Revision 1.4  2025/04/08 14:39:21  snw
        !            28:  *   Initial work on global handler refactor
        !            29:  *
1.4       snw        30:  *   Revision 1.3  2025/03/09 19:14:25  snw
                     31:  *   First phase of REUSE compliance and header reformat
                     32:  *
1.3       snw        33:  *
                     34:  * SPDX-FileCopyrightText:  (C) 2025 Coherent Logic Development LLC
                     35:  * SPDX-License-Identifier: AGPL-3.0-or-later
1.1       snw        36:  **/
1.4       snw        37: 
                     38: #if !defined(__FREEM_GLOBAL_BLTIN_H)
                     39: # define __FREEM_GLOBAL_BLTIN_H
                     40: 
1.5     ! snw        41: #include "version.h"
        !            42: 
        !            43: #define GBL_FORMAT_VERSION 2
        !            44: #define GBL_MAGIC "FRMGL"
        !            45: 
        !            46: typedef struct global_header {
        !            47:     
        !            48:     char magic[5]; /* FRMGL */
        !            49:     int format_version;
        !            50:     char host_triplet[40];
        !            51: 
        !            52:     unsigned long block_size;
        !            53:     unsigned long last_transaction_id;
        !            54: 
        !            55:     long created;
        !            56:     long last_backup;
        !            57:     
        !            58: } global_header;
        !            59: 
1.4       snw        60: typedef struct global_handle {
                     61: 
                     62:     int fd; /* file descriptor */
1.5     ! snw        63: 
        !            64:     global_header header;
1.4       snw        65:     long use_count; /* how many times has it been accessed? */
                     66:     long age;
                     67:     short opened;
                     68:     short locked;
                     69:     unsigned long last_block;
1.5     ! snw        70:     
1.4       snw        71:     short fast_path;
                     72:     
                     73:     char global_name[256];
                     74:     char global_path[4096];
                     75: 
                     76:     
                     77:     struct global_handle *next;   
                     78:     
                     79: } global_handle;
                     80: 
                     81: extern global_handle *global_handles_head;
                     82: 
                     83: #endif