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Annotation of freem/src/locktab.h, revision 1.4

1.1       snw         1: /*
1.4     ! snw         2:  *   $Id: locktab.h,v 1.3 2025/03/09 19:50:47 snw Exp $
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:  *
1.4     ! snw        26:  *   $Log: locktab.h,v $
        !            27:  *   Revision 1.3  2025/03/09 19:50:47  snw
        !            28:  *   Second phase of REUSE compliance and header reformat
        !            29:  *
1.3       snw        30:  *
                     31:  * SPDX-FileCopyrightText:  (C) 2025 Coherent Logic Development LLC
                     32:  * SPDX-License-Identifier: AGPL-3.0-or-later
1.1       snw        33:  **/
                     34: 
                     35: #if !defined(__FREEM_LOCKTAB_H)
                     36: # define __FREEM_LOCKTAB_H
                     37: 
                     38: #define NREF_MAXLEN 800
                     39: 
                     40: typedef struct locktab_ent_t {
                     41: 
                     42:     char namespace[255];
                     43:     char nref[NREF_MAXLEN];
                     44: 
                     45:     int tp_level;
                     46:     pid_t owner_job;
                     47:     int ct;
                     48:     
                     49:     struct locktab_ent_t *next;
                     50:     
                     51: } locktab_ent_t;
                     52: 
                     53: /* function prototypes */
                     54: extern void locktab_init(void);
                     55: extern void lock(char *lockarg, long time_out, char type);
                     56: extern void locktab_increment(char *key, long lck_timeout, short old_lock);
                     57: extern void locktab_decrement(char *key, long lck_timeout);
                     58: extern void locktab_unlock_all(void);
1.4     ! snw        59: extern void locktab_unlock_all_by_pid(const pid_t target_pid);
1.1       snw        60: extern locktab_ent_t *locktab_find(char *key);
                     61: extern locktab_ent_t *locktab_insert(char *key);
                     62: extern int locktab_count(char *key);
                     63: extern unsigned long locktab_pages(void);
                     64: extern unsigned long locktab_bytes(void);
                     65: extern short locktab_get_sem(void);
                     66: extern void locktab_release_sem(void);
                     67: extern void locktab_dump(void);
                     68: 
                     69: #endif