Annotation of freem/src/mumps.c, revision 1.12
1.1 snw 1: /*
1.12 ! snw 2: * $Id: mumps.c,v 1.11 2025/04/01 23:21:45 snw Exp $
1.1 snw 3: * main module of freem
4: *
5: *
1.3 snw 6: * Author: Serena Willis <snw@coherent-logic.com>
1.1 snw 7: * Copyright (C) 1998 MUG Deutschland
1.4 snw 8: * Copyright (C) 2020, 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: *
1.5 snw 26: * $Log: mumps.c,v $
1.12 ! snw 27: * Revision 1.11 2025/04/01 23:21:45 snw
! 28: * fmadm commands for stopping, starting, and restarting environments now functional
! 29: *
1.11 snw 30: * Revision 1.10 2025/04/01 20:11:46 snw
31: * Further work on fmadm
32: *
1.10 snw 33: * Revision 1.9 2025/03/31 20:01:13 snw
34: * Set d_uid in daemon
35: *
1.9 snw 36: * Revision 1.8 2025/03/24 16:10:48 snw
37: * Print error message and exit on OS/2 if daemon is run without --nofork
38: *
1.8 snw 39: * Revision 1.7 2025/03/24 16:07:55 snw
40: * Force daemon into foreground on OS/2
41: *
1.7 snw 42: * Revision 1.6 2025/03/24 16:04:49 snw
43: * Force daemon into foreground on OS/2
44: *
1.6 snw 45: * Revision 1.5 2025/03/22 21:44:32 snw
46: * Make the startup messages fewer and add environment name to direct-mode prompt
47: *
1.5 snw 48: * Revision 1.4 2025/03/09 19:50:47 snw
49: * Second phase of REUSE compliance and header reformat
50: *
1.4 snw 51: *
52: * SPDX-FileCopyrightText: (C) 2025 Coherent Logic Development LLC
53: * SPDX-License-Identifier: AGPL-3.0-or-later
1.1 snw 54: **/
55:
56: #include <stdlib.h>
57: #include <stddef.h>
58: #include "mpsdef.h"
59: #include "errmsg.h"
60: #include "iniconf.h"
61: #include "namespace.h"
62: #include "transact.h"
63: #include "init.h"
64: #include "consttbl.h"
65: #include <setjmp.h>
66: #include <stdio.h>
67: #include <signal.h>
68: #include <time.h>
69: #include <unistd.h>
70: #include <sys/types.h>
71: #include <sys/wait.h>
72: #include <sys/stat.h>
73: #include <limits.h>
74: #include <sys/types.h>
75: #include <pwd.h>
76: #include <string.h>
77: #include <fcntl.h>
78: #include "version.h"
79: #include "shmmgr.h"
80: #include "jobtab.h"
81: #include <errno.h>
82: #include <pwd.h>
83: #include <grp.h>
84:
85:
86: #if defined(HAVE_GETOPT_H)
87: # include <getopt.h>
88: #endif
89:
90: #if !defined(PATH_MAX) && defined(_SCO_DS)
91: # define PATH_MAX 1024
92: #endif
93:
94: extern int xecline(int typ);
95: extern char *getenv(const char *name);
96: void freem_usage(void);
97: void freem_print_version(void);
98: void init_ztrap(void);
99: void m_log (int, const char *);
100:
101: int main (int argc, char **argv, char **envp)
102: {
103: pid_t fork_pid = 0;
104: short dx_mode = 0;
105:
106: int c;
107: int import_env = FALSE;
108: short skip_init = 0;
109:
110: int option_index = 0;
111:
112: char dx_mcode[512];
113: char startup_routine[256];
114: short routine_mode;
115: char m_dialect[50];
116:
117: char nsnbuf[256];
118:
119: char d_username[40];
120: char d_groupname[40];
121: struct group *d_grp;
122: struct passwd *d_user;
123: gid_t d_gid;
124: uid_t d_uid;
125:
126: short custom_user = FALSE;
127: short custom_group = FALSE;
128:
129: #if defined(HAVE_GETOPT_LONG)
130: struct option long_options[] = {
131: {"help", no_argument, 0, 'h'},
132: {"filter", no_argument, &frm_filter, TRUE},
133: {"standard", required_argument, 0, 's'},
134: {"import", no_argument, &import_env, TRUE},
135: {"quiet", no_argument, &quiet_mode, TRUE},
136: {"restricted", no_argument, &restricted_mode, TRUE},
137: {"routine", required_argument, 0, 'r'},
138: {"namespace", required_argument, 0, 'n'},
139: {"environment", required_argument, 0, 'e'},
140: {"version", no_argument, 0, 'v'},
141: {"execute", required_argument, 0, 'x'},
142: {"daemon", no_argument, 0, 'd'},
143: {"nofork", no_argument, 0, 'k'},
144: {"shmsize", required_argument, 0, 'S'},
145: {"user", required_argument, 0, 'u'},
146: {"group", required_argument, 0, 'g'},
147: {0, 0, 0, 0}
148: };
149: #endif
150:
151: char **env;
152: char *varname = (char *) calloc(STRLEN, sizeof(char));
153: char *varval = (char *) calloc(STRLEN, sizeof(char));
154:
155: char *symname = (char *) calloc(STRLEN, sizeof(char));
156: char *symval = (char *) calloc(STRLEN, sizeof(char));
157:
158: int namelen;
159: int vallen;
160:
161: char cli_rtn_path[PATH_MAX] = {0};
162: char *cli_rtn_file;
163: char cli_rtn_name[256];
164:
165: routine_mode = FALSE;
166: strcpy (m_dialect, "FREEM");
167:
168: m_argc = argc; /* save arguments count */
169: m_argv = argv; /* save arguments string */
170: m_envp = envp; /* save environment pointer */
171:
172: strncpy (shm_env, "DEFAULT", 8); /* establish default environment name */
173:
174: strncpy (d_username, "freem", 40);
175: strncpy (d_groupname, "freem", 40);
176:
177: strcpy (zb, argv[0]); /* name with which mumps has been called */
178: stcnv_c2m (zb);
179: strcpy (stack0, argv[0]);
180: stcnv_c2m (stack0);
181:
182:
183: /* strncpy (config_file, SYSCONFDIR"/freem.conf", 100); */
184:
185:
186:
187: #if defined(HAVE_GETOPT_LONG)
188:
189: extern char *optarg;
190: extern int optind, optopt;
191:
192: while (1) {
193:
194: c = getopt_long (argc, argv, "hsfiqRr:n:e:vx:dkpS:u:g:", long_options, &option_index);
195:
196: if (c == -1) break;
197: if (c == '?') freem_usage ();
198:
199: switch (c) {
200: case 'h':
201: freem_usage ();
202: break;
203:
204: case 'f':
205: frm_filter = TRUE;
206: break;
207:
208: case 'i':
209: import_env = TRUE;
210: break;
211:
212: case 'q':
213: quiet_mode = TRUE;
214: break;
215:
216: case 'e': /* specify FreeM environment */
217: strncpy (shm_env, optarg, 255);
218: break;
219:
220: case 'R':
221: restricted_mode = TRUE;
222: break;
223:
224: case 'r': /* startup routine */
225: direct_mode = FALSE;
226: usermode = 0;
227:
228: strcpy (startup_routine, optarg);
229: startup_routine[strlen (startup_routine)] = '\201';
230:
231: routine_mode = TRUE;
232: break;
233:
234: case 'n': /* namespace */
235: {
236: if (validate_namespace (optarg) == TRUE) {
237: strcpy (nsname, optarg);
238: }
239: else {
240: fprintf (stderr, "freem: invalid namespace '%s'\n", optarg);
241: exit (1);
242: }
243:
244: break;
245: }
246: case 'v': /* version */
247: freem_print_version ();
248: break;
249:
250: case 'x': /* execute */
251: direct_mode = FALSE;
252: usermode = 0;
253: dx_mode = 1;
254:
255: strncpy (dx_mcode, optarg, 512 - 1);
256:
257: stcnv_c2m (dx_mcode);
258:
259: break;
260:
261: case 's': /* --standard */
262:
263: if (strcmp (optarg, "M77") == 0) {
264: standard = D_M77;
265: strcpy (m_dialect, "M 1977");
266: }
267: else if (strcmp (optarg, "M84") == 0) {
268: standard = D_M84;
269: strcpy (m_dialect, "M 1984");
270: }
271: else if (strcmp (optarg, "M90") == 0) {
272: standard = D_M90;
273: strcpy (m_dialect, "M 1990");
274: }
275: else if (strcmp (optarg, "M95") == 0) {
276: standard = D_M95;
277: strcpy (m_dialect, "M 1995");
278: }
279: else if (strcmp (optarg, "MDS") == 0) {
280: standard = D_MDS;
281: strcpy (m_dialect, "Millennium Draft Standard");
282: }
283: else if (strcmp (optarg, "M5") == 0) {
284: standard = D_M5;
285: strcpy (m_dialect, "M5");
286: }
287: else if (strcmp (optarg, "FREEM") == 0) {
288: standard = D_FREEM;
289: strcpy (m_dialect, "FREEM");
290: }
291: else {
292: freem_usage ();
293: }
294:
295: break;
296:
297: case 'd': /* --daemon */
298: run_daemon = TRUE;
299: break;
300:
301: case 'k': /* --nofork */
302: nofork = TRUE;
303: break;
304:
305: case 'S': /* --shmsize */
306: shm_init_size = atol (optarg);
307: break;
308:
309: case 'u': /* --user */
310: strncpy (d_username, optarg, 40);
311: custom_user = TRUE;
312: break;
313:
314: case 'g': /* --group */
315: strncpy (d_groupname, optarg, 40);
316: custom_group = TRUE;
317: break;
318:
319:
320: }
321:
322: }
323:
324: #else
325:
326: {
327: extern char *optarg;
328: extern int optind, optopt;
329:
1.10 snw 330: while ((c = getopt (argc, argv, "hsfiqRr:n:e:vx:dkS:u:g:")) != -1) {
1.1 snw 331:
332: if (c == '?') freem_usage ();
333:
334: switch (c) {
335:
336: case 'h':
337: freem_usage ();
338: break;
339:
340: case 'f':
341: frm_filter = TRUE;
342: break;
343:
344: case 'i':
345: import_env = TRUE;
346: break;
347:
348: case 'q':
349: quiet_mode = TRUE;
350: break;
351:
352: case 'e': /* specify FreeM environment */
353: strncpy (shm_env, optarg, 255);
354: break;
355:
356: case 'R':
357: restricted_mode = TRUE;
358: break;
359:
360: case 'r': /* startup routine */
361: direct_mode = FALSE;
362: usermode = 0;
363:
364: strcpy (startup_routine, optarg);
365: startup_routine[strlen (startup_routine)] = '\201';
366:
367: routine_mode = TRUE;
368: break;
369:
370: case 'n': /* namespace */
371: strcpy (nsname, optarg);
372: break;
373:
374: case 'v':
375: freem_print_version ();
376: break;
377:
378: case 'x': /* execute */
379: direct_mode = FALSE;
380: usermode = 0;
381: dx_mode = 1;
382:
383: strncpy (dx_mcode, optarg, 512 - 1);
384:
385: stcnv_c2m (dx_mcode);
386:
387: break;
388:
389: case 'd': /* --daemon */
390: run_daemon = TRUE;
391: break;
392:
393: case 'k': /* --nofork */
394: nofork = TRUE;
395: break;
396:
397: case 's': /* --standard */
398:
399: if (strcmp (optarg, "M77") == 0) {
400: standard = D_M77;
401: strcpy (m_dialect, "M 1977");
402: }
403: else if (strcmp (optarg, "M84") == 0) {
404: standard = D_M84;
405: strcpy (m_dialect, "M 1984");
406: }
407: else if (strcmp (optarg, "M90") == 0) {
408: standard = D_M90;
409: strcpy (m_dialect, "M 1990");
410: }
411: else if (strcmp (optarg, "M95") == 0) {
412: standard = D_M95;
413: strcpy (m_dialect, "M 1995");
414: }
415: else if (strcmp (optarg, "MDS") == 0) {
416: standard = D_MDS;
417: strcpy (m_dialect, "Millennium Draft Standard");
418: }
419: else if (strcmp (optarg, "M5") == 0) {
420: standard = D_M5;
421: strcpy (m_dialect, "M5");
422: }
423: else if (strcmp (optarg, "FREEM") == 0) {
424: standard = D_FREEM;
425: strcpy (m_dialect, "FREEM");
426: }
427: else {
428: freem_usage ();
429: }
430:
431: break;
432:
433:
434: case 'S': /* --shmsize */
435: shm_init_size = atol (optarg);
436: break;
437:
438: case 'u': /* --user */
439: strncpy (d_username, optarg, 40);
440: custom_user = TRUE;
441: break;
442:
443: case 'g': /* --group */
444: strncpy (d_groupname, optarg, 40);
445: custom_group = TRUE;
446: break;
447:
448:
449: }
450: }
451: }
452: #endif
1.6 snw 453:
454: #if defined(__OS2__)
455: if (run_daemon == TRUE && nofork == FALSE) {
1.8 snw 456: printf ("freem: running on OS/2; daemon must be run with --nofork or -k\r\n");
457: exit (1);
1.6 snw 458: }
459: #endif
460:
1.1 snw 461: snprintf (config_file, 4096, "%s/freem/%s/freem.conf", SYSCONFDIR, shm_env);
462:
463: if (run_daemon == TRUE && geteuid() == 0) {
464:
465: if (custom_group) {
466: d_grp = getgrnam (d_groupname);
467:
468: if (d_grp == NULL) {
469: fprintf (stderr, "freem: invalid group '%s'\n", d_groupname);
470: exit (1);
471: }
472:
473: d_gid = d_grp->gr_gid;
474: }
475:
476: if (custom_user) {
477: d_user = getpwnam (d_username);
478:
479: if (d_user == NULL) {
480: fprintf (stderr, "freem: invalid user '%s'\n", d_username);
481: exit (1);
482: }
483:
484: d_uid = d_user->pw_uid;
485: }
1.9 snw 486: else {
487: d_uid = 0;
488: }
1.1 snw 489:
490: }
491:
492: if ((nofork == TRUE) && (run_daemon == FALSE)) {
493: freem_usage ();
494: exit (1);
495: }
496:
497: if ((run_daemon == TRUE) && (nofork == FALSE)) {
498:
499: int fork_fd;
500:
501: /* daemonize */
502:
503: fork_pid = fork ();
504:
505: if (fork_pid < 0) {
506: fprintf (stderr, "freem: failure in fork()\r\n");
507: m_log (1, "failure in initial fork()\r\n");
508: exit (1);
509: }
510:
511: if (fork_pid > 0) {
512: exit (0);
513: }
514:
515: if (setsid () < 0) {
516: fprintf (stderr, "freem: failure in setsid()\r\n");
517: m_log (1, "failure in setsid()\r\n");
518: exit (1);
519: }
520:
521: signal (SIGCHLD, SIG_IGN);
522:
523: fork_pid = fork ();
524:
525: if (fork_pid < 0) {
526: fprintf (stderr, "freem: failure in fork()\r\n");
527: m_log (1, "failure in second fork()\r\n");
528: exit (1);
529: }
530:
531: if (fork_pid > 0) {
532: exit (0);
533: m_log (1, "exiting from second fork");
534: }
535:
536: umask (0);
537:
538: chdir ("/");
539:
540: for (fork_fd = sysconf (_SC_OPEN_MAX); fork_fd > 0; fork_fd--) {
541: close (fork_fd);
542: }
543:
544: if (geteuid () == 0) {
545: /* shed privileges */
546:
547: if (custom_group) {
548: fprintf (stderr, "freem: switching to group %s\n", d_groupname);
549: m_log (1, "switching groups");
550:
551: if (setgid (d_gid) == -1) {
552: fprintf (stderr, "freem: failure switching GID\n");
553: m_log (1, "failure switching GIDs");
554: exit (1);
555: }
556: }
557:
558:
559: if (custom_user) {
560: fprintf (stderr, "freem: switching to username %s\n", d_username);
561: m_log (1, "switching users");
562:
563: if (setuid (d_uid) == -1) {
564: fprintf (stderr, "freem: failure switching UID\n");
565: m_log (1, "failure switching UIDs");
566: exit (1);
567: }
568: }
569:
570: }
571: else {
572: fprintf (stderr, "not euid 0");
573: }
574:
575: freopen ("/dev/null", "r", stdin);
576: freopen ("/dev/null", "w+", stdout);
577: freopen ("/dev/null", "w+", stderr);
578:
579: run_daemon = TRUE;
580: nofork = FALSE;
581:
582: {
583: char pidfile_buf[256];
584: int errsav;
585:
1.11 snw 586: pid_file_path = (char *) malloc (PATH_MAX * sizeof (char));
587: NULLPTRCHK(pid_file_path,"main");
588:
1.10 snw 589: snprintf (pid_file_path, PATH_MAX - 1, "%s/freem/run/%s.pid", LOCALSTATEDIR, shm_env);
590:
1.1 snw 591: pid_fd = open (pid_file_path, O_RDWR | O_CREAT, 0640);
592: errsav = errno;
593:
594: if (pid_fd < 0) {
595: m_log (1, "freem: could not open PID file");
596: m_log (1, strerror (errsav));
597: exit (1);
598: }
599:
600: if (lockf (pid_fd, F_TLOCK, 0) < 0) {
601: errsav = errno;
602: m_log (1, "freem: could not lock PID file - perhaps already running?");
603: m_log (1, strerror (errsav));
604: exit (1);
605: }
606:
1.10 snw 607: sprintf (pidfile_buf, "%ld\n", (long) getpid ());
1.1 snw 608: write (pid_fd, pidfile_buf, strlen (pidfile_buf));
1.10 snw 609:
1.1 snw 610: }
611:
612:
613: } /* END of daemonization */
614:
615: /* handle passing of an arbitrary .m file on the command line */
616: /* this is most often used for shebang-line scripts. */
617: if (optind < argc) {
618:
619: /* not valid for daemon mode */
620: if (run_daemon == TRUE) {
621: fprintf (stderr, "freem: cannot pass --daemon flag in shebang line\r\n");
622: exit (1);
623: }
624:
625: /* bail if file does not exist */
626: if (access (argv[optind], F_OK) == -1) {
627:
628: set_io (UNIX);
629:
630: fprintf (stderr, "Routine %s does not exist.\n", argv[optind]);
631:
632: exit (1);
633:
634: }
635:
636: skip_init = 1;
637:
638: /* initialize FreeM environment */
639: strncpy (nsnbuf, nsname, 255);
640: if (init (nsnbuf) == FALSE) {
641:
642: set_io (UNIX);
643: fprintf (stderr, "\nError initializing FreeM.\n");
644:
645: exit (1);
646:
647: }
648:
649:
650: direct_mode = FALSE;
651: usermode = 0;
652:
653: /* was a path specified at all? */
654: if (strchr (argv[optind], '/') == NULL) {
655:
656: /* the entirety of argv[optind] is the filename */
657: cli_rtn_file = argv[optind];
658:
659: /* use the current directory */
660: sprintf (cli_rtn_path, ".");
661:
662: }
663: else {
664:
665: /* isolate the filename from the path */
666: cli_rtn_file = strrchr (argv[optind], '/') + 1;
667:
668: /* isolate the routine name from the filename */
669: strncpy (cli_rtn_name, cli_rtn_file, strchr (cli_rtn_file, '.') - cli_rtn_file);
670:
671: /* isolate the path from the routine file */
672: strncpy (cli_rtn_path, argv[optind], strrchr (argv[optind], '/') - argv[optind]);
673:
674: /* set_io (UNIX);
675: printf ("cli_rtn_name = '%s' cli_rtn_path = '%s'\n", cli_rtn_name, cli_rtn_path);
676: set_io (MUMPS);
677: */
678: }
679:
680: /* do we have a file extension? */
681: if (strchr (cli_rtn_file, '.') != NULL) {
682:
683: /* if so, just remove it */
684: strncpy (cli_rtn_name, cli_rtn_file, strchr (cli_rtn_file, '.') - cli_rtn_file);
685:
686: }
687: else {
688:
689: /* otherwise, just take a direct copy */
690: strcpy (cli_rtn_name, cli_rtn_file);
691:
692: }
693:
694: /* make this the startup routine */
695: snprintf (startuprou, 256, "^%s\201", cli_rtn_name);
696:
697: /* re-work the namespace config to search for the
698: routine in the discovered path */
699: if (cli_rtn_name[0] == '%') {
700:
701: snprintf (rou0plib, 256, "%s\201", cli_rtn_path);
702: snprintf (rou1plib, 256, "%s\201", cli_rtn_path);
703:
704: }
705: else {
706:
707: snprintf (rou0path, 256, "%s\201", cli_rtn_path);
708: snprintf (rou1path, 256, "%s\201", cli_rtn_path);
709:
710: }
711:
712: }
713:
714:
715: if (!file_exists (config_file)) {
716:
717: set_io (UNIX);
718: fprintf (stderr, "\nFreeM has not been configured. Please run 'fmadm configure'.\n\n\n\n");
719:
720: exit (2);
721:
722: }
723:
724: if (!skip_init) {
725: /* initialize FreeM environment */
726: strncpy (nsnbuf, nsname, 255);
727: if (init (nsnbuf) == FALSE) {
728:
729: set_io (UNIX);
730: fprintf (stderr, "\nError initializing FreeM.\n");
731:
732: exit (1);
733:
734: }
735: }
736:
737: if (first_process == TRUE) {
738:
739: char verstr[500];
740: pid_t stop_requester;
741:
742: if (run_daemon == FALSE) {
743: fprintf (stderr, "freem: re-run with --daemon or -d command-line flags\r\n");
744: cleanup ();
745: exit (1);
746: }
747:
748: stcpy (verstr, FREEM_VERSION_STR);
749: stcnv_m2c (verstr);
750:
751: fprintf (stderr, "Coherent Logic Development FreeM version %s\r\n", verstr);
1.2 snw 752: fprintf (stderr, "freem: shared memory for environment %s initialized (%ld bytes of shared memory @ '%p')\r\nfreem: system ready\r\n", shm_env, (long) shm_init_size, shm_config->dta);
1.1 snw 753:
754: for (;;) {
755:
756: job_set_status (pid, JSTAT_HOUSEKEEPING);
757:
758:
759: if (shm_config->hdr->maintenance_mode == 1) {
760:
761: job_slot_t *slot;
762:
763: fprintf (stderr, "freem: entering maintenance mode\r\n");
764: m_log (1, "freem: entering maintenance mode");
765:
766: for (slot = shm_config->hdr->jobtab_head; slot != NULL; slot = slot->next) {
767:
768: if ((slot->pid != pid) && ((slot->flags & JFLG_FMADM) != JFLG_FMADM)) {
769: kill (slot->pid, SIGINT);
770: }
771:
772: }
773:
774: }
775:
776: if ((stop_requester = job_stop_requested (pid)) != 0) {
777: int connected_jobs;
778:
779: job_set_status (pid, JSTAT_SHUTDOWN);
780:
781: connected_jobs = job_count ();
782:
783: fprintf (stderr, "freem: STOP requested by pid %d\r\n", stop_requester);
784: fprintf (stderr, "freem: there are %d job(s) connected to this environment\r\n", connected_jobs);
785:
786: if (connected_jobs > 1) {
787:
788: fprintf (stderr, "freem: asking non-daemon job(s) to disconnect and halt...\r\n");
789: job_request_all_stop ();
790:
791: fprintf (stderr, "freem: waiting 5 seconds for job(s) to disconnect...\r\n");
792: sleep (5);
793:
794: connected_jobs = job_count ();
795: if (connected_jobs > 1) {
796: fprintf (stderr, "freem: sending SIGTERM to %d job(s)...\r\n", connected_jobs);
797: job_signal_all (SIGTERM);
798: fprintf (stderr, "freem: waiting 5 seconds for job(s) to disconnect...\r\n");
799:
800: sleep (5);
801: }
802:
803: connected_jobs = job_count ();
804: if (connected_jobs > 1) {
805: fprintf (stderr, "freem: sending SIGKILL to %d job(s)...\r\n", connected_jobs);
806: job_signal_all (SIGKILL);
807: }
808:
809: job_gc_mark ();
810: job_gc_sweep ();
811:
812: }
813:
814: fprintf (stderr, "freem: terminating\r\n");
815: cleanup ();
1.11 snw 816:
1.1 snw 817: exit (0);
818:
819: }
820:
821: job_gc_mark ();
822: job_set_status (pid, JSTAT_IDLE);
823: sleep (1);
824:
825: job_set_status (pid, JSTAT_HOUSEKEEPING);
826: job_gc_sweep ();
827: sleep (1);
828: }
829:
830: }
831:
832:
833: #if !defined(_AIX)
834: if(import_env == TRUE) {
835:
836: int i_maxlen = 255;
837:
838: for(env = envp; *env != 0; env++) {
839:
840: namelen = 0;
841: vallen = 0;
842:
843: varname = strtok(*env, "=");
844: varval = strtok(NULL, "=");
845:
846: if(varval != NULL) {
847: namelen = strlen (varname);
848: vallen = strlen (varval);
849:
850: snprintf (symname, i_maxlen, "ENV.%s\201\201", varname);
851: strncpy (symval, varval, i_maxlen);
852:
853: stcnv_c2m (symval);
854:
855: symtab (set_sym, symname, symval);
856: }
857: }
858: }
859: #endif
860:
861:
862: if (direct_mode == TRUE && quiet_mode == FALSE) {
863:
864: char verstr[500];
865: char version[256];
866:
867: stcpy (verstr, FREEM_VERSION_STR);
868: stcnv_m2c (verstr);
869:
870: snprintf (version, 255, "\r\nCoherent Logic Development FreeM version %s [DIALECT: %s%s]\r\n\201", verstr, m_dialect, (restricted_mode == TRUE ? "/RESTRICTED" : ""));
871: write_m (version);
872:
1.4 snw 873: snprintf (version, 255, "Copyright (C) 2014, 2020, 2021, 2023, 2025 Coherent Logic Development LLC\r\n\r\n\201");
1.1 snw 874: write_m (version);
875:
1.5 snw 876: /*
1.1 snw 877: printf ("Environment: \t%s\r\n", shm_env);
878: printf ("Environment Daemon:\tPID %d\r\n", shm_config->hdr->first_process);
879: printf ("Interpreter Process:\tPID %d\r\n", pid);
1.5 snw 880: */
1.1 snw 881:
882: }
883: else {
884: write_m ("\r\n\r\n\201");
885: }
886:
887: if (dx_mode) {
888: char k_buf[512];
889:
890: snprintf (k_buf, 512 - 1, "%%TMPINITMCODE\201\201");
891: symtab (set_sym, k_buf, dx_mcode);
892: const_define (k_buf, dx_mcode);
893: }
894:
895: if (routine_mode) {
896: char k_buf[512];
897:
898: snprintf (k_buf, 512 - 1, "%%TMPINITROUTINE\201\201");
899: symtab (set_sym, k_buf, startup_routine);
900: const_define (k_buf, startup_routine);
901: }
902:
903: /* run mumps */
904: xecline (1);
905:
906: exit (0); /* we should never reach that statement */
907:
908: } /* end of main() */
909:
910: void freem_usage(void)
911: {
912: fprintf (stdout, "\nusage: freem [OPTION...]\n\n");
913:
914: fprintf (stdout, "OPTIONS:\n\n");
915:
916: #if defined(HAVE_GETOPT_LONG)
917: fprintf (stdout, "\t-h, --help\n\t\tdisplays this help message\n\n");
918: fprintf (stdout, "\t-i, --import\n\t\timports UNIX environment variables as M locals\n\n");
919: fprintf (stdout, "\t-e <environment-name>, --environment=<environment-name>\n\t\tsets active environment to <environment-name> (DEFAULT if unspecified)\n\n");
920: fprintf (stdout, "\t-f, --filter\n\t\tallows M code to be used as a filter\n\n");
921: fprintf (stdout, "\t-n <NAMESPACE>, --namespace=<NAMESPACE>\n\t\tselects <NAMESPACE> as the startup namespace instead of USER\n\n");
922: fprintf (stdout, "\t-q, --quiet\n\t\tdisables startup messages and prompt string\n\n");
923: fprintf (stdout, "\t-r <LABEL^ROUTINE>, --routine=<LABEL^ROUTINE>\n\t\texecute <LABEL^ROUTINE> on startup instead of entering direct mode\n\n");
924: fprintf (stdout, "\t-s, --standard\n\t\trestrict access to FreeM vendor extensions not present in relevant standards*\n\n");
925: fprintf (stdout, "\t-v, --version\n\t\tdisplay FreeM version information\n\n");
926: fprintf (stdout, "\t-x <MCODE>, --execute=<MCODE>\n\t\texecute M code <MCODE> on startup\n\n");
927: fprintf (stdout, "\t-d, --daemon\n\t\trun the FreeM daemon (one and only one FreeM daemon must always be running)\n\n");
928: fprintf (stdout, "\t-k, --nofork\n\t\trun the FreeM daemon in foreground (requires --daemon)\n\n");
929: fprintf (stdout, "\t-S <BYTES>, --shmsize=<BYTES>\n\t\tsets the size of the shared memory segment where FreeM stores the job table, lock table, and IPC table.\n");
930: #else
931: fprintf (stdout, "\t-h\n\t\tdisplays this help message\n\n");
932: fprintf (stdout, "\t-i\n\t\timports UNIX environment variables as M locals\n\n");
933: fprintf (stdout, "\t-e <environment-name>\n\t\tsets active environment to <environment-name> (DEFAULT if unspecified)\n\n");
934: fprintf (stdout, "\t-f\n\t\tallows M code to be used as a filter\n\n");
935: fprintf (stdout, "\t-n <NAMESPACE>\n\t\tselects <NAMESPACE> as the startup namespace instead of USER\n\n");
936: fprintf (stdout, "\t-q\n\t\tdisables startup messages and prompt string\n\n");
937: fprintf (stdout, "\t-r <LABEL^ROUTINE>\n\t\texecute <LABEL^ROUTINE> on startup instead of entering direct mode\n\n");
938: fprintf (stdout, "\t-s\n\t\trestrict access to FreeM vendor extensions not present in relevant standards*\n\n");
939: fprintf (stdout, "\t-v\n\t\tdisplay FreeM version information\n\n");
940: fprintf (stdout, "\t-x <MCODE>\n\t\texecute M code <MCODE> on startup\n\n");
941: fprintf (stdout, "\t-d\n\t\trun the FreeM daemon (one and only one FreeM daemon must always be running)\n\n");
942: fprintf (stdout, "\t-k\n\t\trun the FreeM daemon in foreground (requires --daemon)\n\n");
943: fprintf (stdout, "\t-S <BYTES>\n\t\tsets the size of the shared memory segment where FreeM stores the job table, lock table, and IPC table.\n");
944: #endif
945: fprintf (stdout, "\t\t - Each concurrent job takes %d bytes (1 page) of shared memory\n", PG_SIZE);
946: fprintf (stdout, "\t\t - Each LOCK takes %d bytes (2 pages) of shared memory\n", PG_SIZE * 2);
947: fprintf (stdout, "\t\t - Each IPC takes %d bytes (1 page) of shared memory\n\n", PG_SIZE);
948: fprintf (stdout, "\t* FreeM attempts to conform (at least loosely) to the Millennium Draft Standard when this mode is selected.\n\n\n");
949: fprintf (stdout, "Report bugs to: freem-bugs@coherent-logic.com\n");
950: fprintf (stdout, "FreeM home page: <https://freem.coherent-logic.com>\n\n");
951:
952: exit (1);
953: }
954:
955: void freem_print_version(void)
956: {
957: char verstr[500];
958: stcpy (verstr, FREEM_VERSION_STR);
959: stcnv_m2c (verstr);
960:
961: fprintf (stdout, "Coherent Logic Development FreeM %s\n", verstr);
962: fprintf (stdout, "Copyright (C) 2014, 2020, 2021, 2023 Coherent Logic Development LLC\n\n");
963: fprintf (stdout, "License AGPLv3+: GNU AGPL version 3 or later <https://gnu.org/license/agpl-3.0.html>\n");
964: fprintf (stdout, "This is free software: you are free to change and redistribute it.\n");
965: fprintf (stdout, "There is NO WARRANTY, to the extent permitted by law.\n");
966:
967: exit (0);
968: }
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