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

1.1     ! snw         1: /*
        !             2:  *                            *
        !             3:  *                           * *
        !             4:  *                          *   *
        !             5:  *                     ***************
        !             6:  *                      * *       * *
        !             7:  *                       *  MUMPS  *
        !             8:  *                      * *       * *
        !             9:  *                     ***************
        !            10:  *                          *   *
        !            11:  *                           * *
        !            12:  *                            *
        !            13:  *
        !            14:  *   jnldefs.h
        !            15:  *    Data structures and constants for journaling
        !            16:  *
        !            17:  *  
        !            18:  *   Author: Serena Willis <jpw@coherent-logic.com>
        !            19:  *    Copyright (C) 1998 MUG Deutschland
        !            20:  *    Copyright (C) 2020 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: #define FRM_JNL_VERSION 2
        !            41: 
        !            42: #define JNLA_TSTART 0
        !            43: #define JNLA_TRESTART 1
        !            44: #define JNLA_TROLLBACK 2
        !            45: #define JNLA_TCOMMIT 3
        !            46: #define JNLA_SET 4
        !            47: #define JNLA_KILL 5
        !            48: #define JNLA_CHECKPOINT_OK 6
        !            49: #define JNLA_CHECKPOINT_FAIL 7
        !            50: #define JNLA_CHECKPOINT_RESTORE 7
        !            51: #define JNLA_CHECKPOINT_REMOVE 8
        !            52: 
        !            53: /* replication status values */
        !            54: #define REPL_STAT_AWAIT 0
        !            55: #define REPL_STAT_SENDING 1
        !            56: #define REPL_STAT_OK 2
        !            57: #define REPL_STAT_FAILED 3
        !            58: 
        !            59: typedef struct jnl_hdr_t {
        !            60:     char magic[5];     /* FRMJL */
        !            61:     short fmt_version;         /* FRM_JNL_VERSION */
        !            62:     char host_triplet[40]; /* the host triplet supplied by the build system */
        !            63: } jnl_hdr_t;
        !            64: 
        !            65: typedef struct jnl_ent_t {
        !            66: 
        !            67:     char host_id[256];
        !            68:     unsigned long tran_id;
        !            69: 
        !            70:     time_t ts; /* timestamp */
        !            71:     pid_t pid;
        !            72:     short repl_stat; /* can be any of the REPL_STAT_ constants defined above */
        !            73:     short action; /* can be any of the JNLA_ constants defined above */
        !            74: 
        !            75:     char key[1024];
        !            76:     char data[1024];
        !            77: 
        !            78: } jnl_ent_t;