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

1.1     ! snw         1: /*
        !             2:  *                            *
        !             3:  *                           * *
        !             4:  *                          *   *
        !             5:  *                     ***************
        !             6:  *                      * *       * *
        !             7:  *                       *  MUMPS  *
        !             8:  *                      * *       * *
        !             9:  *                     ***************
        !            10:  *                          *   *
        !            11:  *                           * *
        !            12:  *                            *
        !            13:  *
        !            14:  *   jobtab.h
        !            15:  *    job table 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_JOBTAB_H)
        !            41: # define _FREEM_JOBTAB_H
        !            42: 
        !            43: #if defined(__APPLE__)
        !            44: # include <sys/time.h>
        !            45: #endif
        !            46: 
        !            47: #define JFLG_DAEMON        1
        !            48: #define JFLG_NEW           2
        !            49: #define JFLG_ALIVE         4
        !            50: #define JFLG_DEFUNCT       8
        !            51: #define JFLG_REPLSENDER    16
        !            52: #define JFLG_REPLRECEIVER  32
        !            53: #define JFLG_FMADM         64
        !            54: 
        !            55: #define JSTAT_IDLE 0
        !            56: #define JSTAT_INTERPRETER 1
        !            57: #define JSTAT_HOUSEKEEPING 2
        !            58: #define JSTAT_DIRECTMODE 3
        !            59: #define JSTAT_ERROR 4
        !            60: #define JSTAT_SHUTDOWN 5
        !            61: 
        !            62: #define JIPCFLG_PENDING    0
        !            63: #define JIPCFLG_RECEIVED   1
        !            64: 
        !            65: typedef struct ipc_slot_t {
        !            66: 
        !            67:     /* PID of sender */
        !            68:     pid_t sender_pid;
        !            69: 
        !            70:     /* IPC flags */
        !            71:     unsigned short flags;
        !            72: 
        !            73:     void *object;
        !            74:     
        !            75:     struct ipc_slot_t *next;
        !            76: 
        !            77: } ipc_slot_t;
        !            78: 
        !            79: typedef struct job_slot_t {
        !            80: 
        !            81:     /* process ID */
        !            82:     pid_t pid;
        !            83: 
        !            84:     /* job flags */
        !            85:     unsigned short flags;
        !            86: 
        !            87:     /* job status */
        !            88:     unsigned short status;
        !            89:     
        !            90:     /* first IPC slot */
        !            91:     ipc_slot_t *ipc_head;
        !            92: 
        !            93:     /* timestamp at start */
        !            94:     time_t start_time;
        !            95: 
        !            96:     /* stop requested */
        !            97:     pid_t stop_requested;
        !            98: 
        !            99:     /* last error value */
        !           100:     char last_ecode[20];    
        !           101:     
        !           102:     /* next slot */
        !           103:     struct job_slot_t *next;    
        !           104: 
        !           105: } job_slot_t;
        !           106: 
        !           107: extern short jobtab_get_sem(void);
        !           108: extern void jobtab_release_sem(void);
        !           109: extern void jobtab_init(void);
        !           110: extern job_slot_t *job_init(short is_fmadm);
        !           111: extern void job_remove(const pid_t pid);
        !           112: extern void job_request_stop(const pid_t target_pid);
        !           113: extern void job_set_ecode(const pid_t target_pid, const char *ecode);
        !           114: extern pid_t job_stop_requested (const pid_t target_pid);
        !           115: extern void job_request_all_stop(void);
        !           116: extern void job_signal_all(const int sig);
        !           117: extern int job_count(void);
        !           118: extern job_slot_t *job_set_status(const pid_t target_pid, const unsigned short status);
        !           119: extern void job_gc_mark(void);
        !           120: extern void job_gc_sweep(void);
        !           121: extern ipc_slot_t *job_send_ipc(const pid_t receiver_pid, const void *object);
        !           122: extern job_slot_t *job_get(const pid_t target_pid);
        !           123: extern void job_dump(void);
        !           124: 
        !           125: #endif