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Annotation of freem/src/locktab.h, revision 1.1

1.1     ! snw         1: /*
        !             2:  *                            *
        !             3:  *                           * *
        !             4:  *                          *   *
        !             5:  *                     ***************
        !             6:  *                      * *       * *
        !             7:  *                       *  MUMPS  *
        !             8:  *                      * *       * *
        !             9:  *                     ***************
        !            10:  *                          *   *
        !            11:  *                           * *
        !            12:  *                            *
        !            13:  *
        !            14:  *   locktab.h
        !            15:  *    lock table data structures
        !            16:  *
        !            17:  *  
        !            18:  *   Author: Serena Willis <jpw@coherent-logic.com>
        !            19:  *    Copyright (C) 1998 MUG Deutschland
        !            20:  *    Copyright (C) 2021 Coherent Logic Development LLC
        !            21:  *
        !            22:  *
        !            23:  *   This file is part of FreeM.
        !            24:  *
        !            25:  *   FreeM is free software: you can redistribute it and/or modify
        !            26:  *   it under the terms of the GNU Affero Public License as published by
        !            27:  *   the Free Software Foundation, either version 3 of the License, or
        !            28:  *   (at your option) any later version.
        !            29:  *
        !            30:  *   FreeM is distributed in the hope that it will be useful,
        !            31:  *   but WITHOUT ANY WARRANTY; without even the implied warranty of
        !            32:  *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
        !            33:  *   GNU Affero Public License for more details.
        !            34:  *
        !            35:  *   You should have received a copy of the GNU Affero Public License
        !            36:  *   along with FreeM.  If not, see <https://www.gnu.org/licenses/>.
        !            37:  *
        !            38:  **/
        !            39: 
        !            40: #if !defined(__FREEM_LOCKTAB_H)
        !            41: # define __FREEM_LOCKTAB_H
        !            42: 
        !            43: #define NREF_MAXLEN 800
        !            44: 
        !            45: typedef struct locktab_ent_t {
        !            46: 
        !            47:     char namespace[255];
        !            48:     char nref[NREF_MAXLEN];
        !            49: 
        !            50:     int tp_level;
        !            51:     pid_t owner_job;
        !            52:     int ct;
        !            53:     
        !            54:     struct locktab_ent_t *next;
        !            55:     
        !            56: } locktab_ent_t;
        !            57: 
        !            58: /* function prototypes */
        !            59: extern void locktab_init(void);
        !            60: extern void lock(char *lockarg, long time_out, char type);
        !            61: extern void locktab_increment(char *key, long lck_timeout, short old_lock);
        !            62: extern void locktab_decrement(char *key, long lck_timeout);
        !            63: extern void locktab_unlock_all(void);
        !            64: extern locktab_ent_t *locktab_find(char *key);
        !            65: extern locktab_ent_t *locktab_insert(char *key);
        !            66: extern int locktab_count(char *key);
        !            67: extern unsigned long locktab_pages(void);
        !            68: extern unsigned long locktab_bytes(void);
        !            69: extern short locktab_get_sem(void);
        !            70: extern void locktab_release_sem(void);
        !            71: extern void locktab_dump(void);
        !            72: 
        !            73: #endif