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

1.1       snw         1: /*
1.3     ! snw         2:  *   $Id$
1.1       snw         3:  *    job table 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_JOBTAB_H)
                     33: # define _FREEM_JOBTAB_H
                     34: 
                     35: #if defined(__APPLE__)
                     36: # include <sys/time.h>
                     37: #endif
                     38: 
                     39: #define JFLG_DAEMON        1
                     40: #define JFLG_NEW           2
                     41: #define JFLG_ALIVE         4
                     42: #define JFLG_DEFUNCT       8
                     43: #define JFLG_REPLSENDER    16
                     44: #define JFLG_REPLRECEIVER  32
                     45: #define JFLG_FMADM         64
                     46: 
                     47: #define JSTAT_IDLE 0
                     48: #define JSTAT_INTERPRETER 1
                     49: #define JSTAT_HOUSEKEEPING 2
                     50: #define JSTAT_DIRECTMODE 3
                     51: #define JSTAT_ERROR 4
                     52: #define JSTAT_SHUTDOWN 5
                     53: 
                     54: #define JIPCFLG_PENDING    0
                     55: #define JIPCFLG_RECEIVED   1
                     56: 
                     57: typedef struct ipc_slot_t {
                     58: 
                     59:     /* PID of sender */
                     60:     pid_t sender_pid;
                     61: 
                     62:     /* IPC flags */
                     63:     unsigned short flags;
                     64: 
                     65:     void *object;
                     66:     
                     67:     struct ipc_slot_t *next;
                     68: 
                     69: } ipc_slot_t;
                     70: 
                     71: typedef struct job_slot_t {
                     72: 
                     73:     /* process ID */
                     74:     pid_t pid;
                     75: 
                     76:     /* job flags */
                     77:     unsigned short flags;
                     78: 
                     79:     /* job status */
                     80:     unsigned short status;
                     81:     
                     82:     /* first IPC slot */
                     83:     ipc_slot_t *ipc_head;
                     84: 
                     85:     /* timestamp at start */
                     86:     time_t start_time;
                     87: 
                     88:     /* stop requested */
                     89:     pid_t stop_requested;
                     90: 
                     91:     /* last error value */
                     92:     char last_ecode[20];    
                     93:     
                     94:     /* next slot */
                     95:     struct job_slot_t *next;    
                     96: 
                     97: } job_slot_t;
                     98: 
                     99: extern short jobtab_get_sem(void);
                    100: extern void jobtab_release_sem(void);
                    101: extern void jobtab_init(void);
                    102: extern job_slot_t *job_init(short is_fmadm);
                    103: extern void job_remove(const pid_t pid);
                    104: extern void job_request_stop(const pid_t target_pid);
                    105: extern void job_set_ecode(const pid_t target_pid, const char *ecode);
                    106: extern pid_t job_stop_requested (const pid_t target_pid);
                    107: extern void job_request_all_stop(void);
                    108: extern void job_signal_all(const int sig);
                    109: extern int job_count(void);
                    110: extern job_slot_t *job_set_status(const pid_t target_pid, const unsigned short status);
                    111: extern void job_gc_mark(void);
                    112: extern void job_gc_sweep(void);
                    113: extern ipc_slot_t *job_send_ipc(const pid_t receiver_pid, const void *object);
                    114: extern job_slot_t *job_get(const pid_t target_pid);
                    115: extern void job_dump(void);
                    116: 
                    117: #endif