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Annotation of freem/src/locktab.h, revision 1.3

1.1       snw         1: /*
1.3     ! snw         2:  *   $Id$
1.1       snw         3:  *    lock table data structures
                      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) 2021, 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:  *
1.3     ! snw        26:  *   $Log$
        !            27:  *
        !            28:  * SPDX-FileCopyrightText:  (C) 2025 Coherent Logic Development LLC
        !            29:  * SPDX-License-Identifier: AGPL-3.0-or-later
1.1       snw        30:  **/
                     31: 
                     32: #if !defined(__FREEM_LOCKTAB_H)
                     33: # define __FREEM_LOCKTAB_H
                     34: 
                     35: #define NREF_MAXLEN 800
                     36: 
                     37: typedef struct locktab_ent_t {
                     38: 
                     39:     char namespace[255];
                     40:     char nref[NREF_MAXLEN];
                     41: 
                     42:     int tp_level;
                     43:     pid_t owner_job;
                     44:     int ct;
                     45:     
                     46:     struct locktab_ent_t *next;
                     47:     
                     48: } locktab_ent_t;
                     49: 
                     50: /* function prototypes */
                     51: extern void locktab_init(void);
                     52: extern void lock(char *lockarg, long time_out, char type);
                     53: extern void locktab_increment(char *key, long lck_timeout, short old_lock);
                     54: extern void locktab_decrement(char *key, long lck_timeout);
                     55: extern void locktab_unlock_all(void);
                     56: extern locktab_ent_t *locktab_find(char *key);
                     57: extern locktab_ent_t *locktab_insert(char *key);
                     58: extern int locktab_count(char *key);
                     59: extern unsigned long locktab_pages(void);
                     60: extern unsigned long locktab_bytes(void);
                     61: extern short locktab_get_sem(void);
                     62: extern void locktab_release_sem(void);
                     63: extern void locktab_dump(void);
                     64: 
                     65: #endif