Commit | Line | Data |
---|---|---|
f927c5ae | 1 | /* Fully extensible Emacs, running on Unix, intended for GNU. |
c6c5df7f | 2 | Copyright (C) 1985, 1986, 1987, 1993 Free Software Foundation, Inc. |
f927c5ae JB |
3 | |
4 | This file is part of GNU Emacs. | |
5 | ||
6 | GNU Emacs is free software; you can redistribute it and/or modify | |
7 | it under the terms of the GNU General Public License as published by | |
40be253a | 8 | the Free Software Foundation; either version 2, or (at your option) |
f927c5ae JB |
9 | any later version. |
10 | ||
11 | GNU Emacs is distributed in the hope that it will be useful, | |
12 | but WITHOUT ANY WARRANTY; without even the implied warranty of | |
13 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
14 | GNU General Public License for more details. | |
15 | ||
16 | You should have received a copy of the GNU General Public License | |
17 | along with GNU Emacs; see the file COPYING. If not, write to | |
18 | the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA. */ | |
19 | ||
20 | ||
21 | #include <signal.h> | |
22 | #include <errno.h> | |
23 | ||
24 | #include "config.h" | |
25 | #include <stdio.h> | |
26 | ||
27 | #include <sys/types.h> | |
28 | #include <sys/file.h> | |
29 | ||
30 | #ifdef VMS | |
31 | #include <ssdef.h> | |
32 | #endif | |
33 | ||
f927c5ae JB |
34 | #ifdef BSD |
35 | #include <sys/ioctl.h> | |
36 | #endif | |
37 | ||
38 | #ifdef APOLLO | |
39 | #ifndef APOLLO_SR10 | |
40 | #include <default_acl.h> | |
41 | #endif | |
42 | #endif | |
43 | ||
f927c5ae JB |
44 | #include "lisp.h" |
45 | #include "commands.h" | |
bef79ee4 | 46 | #include "intervals.h" |
f927c5ae | 47 | |
edc8ae07 | 48 | #include "systty.h" |
8090eb09 | 49 | #include "syssignal.h" |
a41f8bed | 50 | |
f927c5ae JB |
51 | #ifndef O_RDWR |
52 | #define O_RDWR 2 | |
53 | #endif | |
54 | ||
f927c5ae JB |
55 | /* Command line args from shell, as list of strings */ |
56 | Lisp_Object Vcommand_line_args; | |
57 | ||
59653951 JB |
58 | /* The name under which Emacs was invoked, with any leading directory |
59 | names discarded. */ | |
60 | Lisp_Object Vinvocation_name; | |
61 | ||
e5d77022 JB |
62 | /* Hook run by `kill-emacs' before it does really anything. */ |
63 | Lisp_Object Vkill_emacs_hook; | |
64 | ||
f927c5ae JB |
65 | /* Set nonzero after Emacs has started up the first time. |
66 | Prevents reinitialization of the Lisp world and keymaps | |
67 | on subsequent starts. */ | |
68 | int initialized; | |
69 | ||
70 | /* Variable whose value is symbol giving operating system type */ | |
71 | Lisp_Object Vsystem_type; | |
72 | ||
73 | /* If non-zero, emacs should not attempt to use an window-specific code, | |
74 | but instead should use the virtual terminal under which it was started */ | |
75 | int inhibit_window_system; | |
76 | ||
5aa7f46a JB |
77 | /* If nonzero, set Emacs to run at this priority. This is also used |
78 | in child_setup and sys_suspend to make sure subshells run at normal | |
79 | priority; Those functions have their own extern declaration. */ | |
3005da00 RS |
80 | int emacs_priority; |
81 | ||
9ae8f997 JB |
82 | #ifdef BSD |
83 | /* See sysdep.c. */ | |
84 | extern int inherited_pgroup; | |
85 | #endif | |
86 | ||
f927c5ae JB |
87 | #ifdef HAVE_X_WINDOWS |
88 | /* If non-zero, -d was specified, meaning we're using some window system. */ | |
89 | int display_arg; | |
90 | #endif | |
91 | ||
92 | /* An address near the bottom of the stack. | |
93 | Tells GC how to save a copy of the stack. */ | |
94 | char *stack_bottom; | |
95 | ||
96 | #ifdef HAVE_X_WINDOWS | |
97 | extern Lisp_Object Vwindow_system; | |
98 | #endif /* HAVE_X_WINDOWS */ | |
99 | ||
100 | #ifdef USG_SHARED_LIBRARIES | |
101 | /* If nonzero, this is the place to put the end of the writable segment | |
102 | at startup. */ | |
103 | ||
104 | unsigned int bss_end = 0; | |
105 | #endif | |
106 | ||
107 | /* Nonzero means running Emacs without interactive terminal. */ | |
108 | ||
109 | int noninteractive; | |
110 | ||
111 | /* Value of Lisp variable `noninteractive'. | |
112 | Normally same as C variable `noninteractive' | |
113 | but nothing terrible happens if user sets this one. */ | |
114 | ||
115 | int noninteractive1; | |
116 | \f | |
117 | /* Signal code for the fatal signal that was received */ | |
118 | int fatal_error_code; | |
119 | ||
120 | /* Nonzero if handling a fatal error already */ | |
121 | int fatal_error_in_progress; | |
122 | ||
123 | /* Handle bus errors, illegal instruction, etc. */ | |
2447c626 | 124 | SIGTYPE |
f927c5ae JB |
125 | fatal_error_signal (sig) |
126 | int sig; | |
127 | { | |
f927c5ae JB |
128 | fatal_error_code = sig; |
129 | signal (sig, SIG_DFL); | |
130 | ||
131 | /* If fatal error occurs in code below, avoid infinite recursion. */ | |
8090eb09 JB |
132 | if (! fatal_error_in_progress) |
133 | { | |
134 | fatal_error_in_progress = 1; | |
f927c5ae | 135 | |
f7ab4e3d | 136 | shut_down_emacs (sig, 0, Qnil); |
8090eb09 | 137 | } |
f927c5ae JB |
138 | |
139 | #ifdef VMS | |
f927c5ae JB |
140 | LIB$STOP (SS$_ABORT); |
141 | #else | |
8090eb09 JB |
142 | /* Signal the same code; this time it will really be fatal. |
143 | Remember that since we're in a signal handler, the signal we're | |
144 | going to send is probably blocked, so we have to unblock it if we | |
145 | want to really receive it. */ | |
a90538cb | 146 | sigunblock (sigmask (fatal_error_code)); |
f927c5ae JB |
147 | kill (getpid (), fatal_error_code); |
148 | #endif /* not VMS */ | |
149 | } | |
150 | \f | |
151 | /* Code for dealing with Lisp access to the Unix command line */ | |
152 | ||
153 | static | |
154 | init_cmdargs (argc, argv, skip_args) | |
155 | int argc; | |
156 | char **argv; | |
157 | int skip_args; | |
158 | { | |
159 | register int i; | |
160 | ||
cb421be8 | 161 | Vinvocation_name = Ffile_name_nondirectory (build_string (argv[0])); |
59653951 | 162 | |
f927c5ae JB |
163 | Vcommand_line_args = Qnil; |
164 | ||
165 | for (i = argc - 1; i >= 0; i--) | |
166 | { | |
167 | if (i == 0 || i > skip_args) | |
168 | Vcommand_line_args | |
169 | = Fcons (build_string (argv[i]), Vcommand_line_args); | |
170 | } | |
171 | } | |
59653951 JB |
172 | |
173 | DEFUN ("invocation-name", Finvocation_name, Sinvocation_name, 0, 0, 0, | |
174 | "Return the program name that was used to run Emacs.\n\ | |
175 | Any directory names are omitted.") | |
176 | () | |
177 | { | |
178 | return Fcopy_sequence (Vinvocation_name); | |
179 | } | |
180 | ||
f927c5ae JB |
181 | \f |
182 | #ifdef VMS | |
183 | #ifdef LINK_CRTL_SHARE | |
184 | #ifdef SHAREABLE_LIB_BUG | |
185 | extern noshare char **environ; | |
186 | #endif /* SHAREABLE_LIB_BUG */ | |
187 | #endif /* LINK_CRTL_SHARE */ | |
188 | #endif /* VMS */ | |
189 | ||
a90538cb | 190 | #ifndef ORDINARY_LINK |
efd241cc RS |
191 | /* We don't include crtbegin.o and crtend.o in the link, |
192 | so these functions and variables might be missed. | |
193 | Provide dummy definitions to avoid error. | |
194 | (We don't have any real constructors or destructors.) */ | |
195 | #ifdef __GNUC__ | |
c83a7064 | 196 | __do_global_ctors () |
efd241cc | 197 | {} |
c83a7064 RS |
198 | __do_global_ctors_aux () |
199 | {} | |
33143604 RS |
200 | __do_global_dtors () |
201 | {} | |
c83a7064 RS |
202 | char * __CTOR_LIST__[2] = { (char *) (-1), 0 }; |
203 | char * __DTOR_LIST__[2] = { (char *) (-1), 0 }; | |
204 | __main () | |
efd241cc | 205 | {} |
efd241cc | 206 | #endif /* __GNUC__ */ |
a90538cb | 207 | #endif /* ORDINARY_LINK */ |
efd241cc | 208 | |
f927c5ae JB |
209 | /* ARGSUSED */ |
210 | main (argc, argv, envp) | |
211 | int argc; | |
212 | char **argv; | |
213 | char **envp; | |
214 | { | |
215 | char stack_bottom_variable; | |
216 | int skip_args = 0; | |
217 | extern int errno; | |
218 | extern sys_nerr; | |
219 | extern char *sys_errlist[]; | |
220 | extern void malloc_warning (); | |
221 | ||
222 | /* Map in shared memory, if we are using that. */ | |
223 | #ifdef HAVE_SHM | |
224 | if (argc > 1 && !strcmp (argv[1], "-nl")) | |
225 | { | |
226 | map_in_data (0); | |
227 | /* The shared memory was just restored, which clobbered this. */ | |
228 | skip_args = 1; | |
229 | } | |
230 | else | |
231 | { | |
232 | map_in_data (1); | |
233 | /* The shared memory was just restored, which clobbered this. */ | |
234 | skip_args = 0; | |
235 | } | |
236 | #endif | |
237 | ||
19a36ec6 | 238 | #ifdef NeXT |
4b163808 | 239 | extern int malloc_cookie; |
19a36ec6 RS |
240 | |
241 | /* This helps out unexnext.c. */ | |
242 | if (initialized) | |
243 | if (malloc_jumpstart (malloc_cookie) != 0) | |
244 | printf ("malloc jumpstart failed!\n"); | |
245 | #endif /* NeXT */ | |
246 | ||
f927c5ae | 247 | #ifdef HAVE_X_WINDOWS |
fb8e9847 JB |
248 | /* Stupid kludge to catch command-line display spec. We can't |
249 | handle this argument entirely in window system dependent code | |
250 | because we don't even know which window system dependent code | |
251 | to run until we've recognized this argument. */ | |
f927c5ae JB |
252 | { |
253 | int i; | |
254 | ||
255 | for (i = 1; (i < argc && ! display_arg); i++) | |
92381c7c | 256 | if (!strcmp (argv[i], "-d") || !strcmp (argv[i], "-display")) |
f927c5ae JB |
257 | display_arg = 1; |
258 | } | |
259 | #endif | |
260 | ||
261 | #ifdef VMS | |
262 | /* If -map specified, map the data file in */ | |
263 | if (argc > 2 && ! strcmp (argv[1], "-map")) | |
264 | { | |
265 | skip_args = 2; | |
266 | mapin_data (argv[2]); | |
267 | } | |
268 | ||
269 | #ifdef LINK_CRTL_SHARE | |
270 | #ifdef SHAREABLE_LIB_BUG | |
271 | /* Bletcherous shared libraries! */ | |
272 | if (!stdin) | |
273 | stdin = fdopen (0, "r"); | |
274 | if (!stdout) | |
275 | stdout = fdopen (1, "w"); | |
276 | if (!stderr) | |
277 | stderr = fdopen (2, "w"); | |
278 | if (!environ) | |
279 | environ = envp; | |
280 | #endif /* SHAREABLE_LIB_BUG */ | |
281 | #endif /* LINK_CRTL_SHARE */ | |
282 | #endif /* VMS */ | |
283 | ||
284 | /* Record (approximately) where the stack begins. */ | |
285 | stack_bottom = &stack_bottom_variable; | |
286 | ||
287 | #ifdef RUN_TIME_REMAP | |
288 | if (initialized) | |
289 | run_time_remap (argv[0]); | |
290 | #endif | |
291 | ||
292 | #ifdef USG_SHARED_LIBRARIES | |
293 | if (bss_end) | |
294 | brk (bss_end); | |
295 | #endif | |
296 | ||
297 | clearerr (stdin); | |
9ae8f997 | 298 | |
f927c5ae | 299 | #ifdef BSD |
2144fd18 | 300 | { |
9ae8f997 | 301 | inherited_pgroup = getpgrp (0); |
9ae8f997 JB |
302 | setpgrp (0, getpid ()); |
303 | } | |
f927c5ae JB |
304 | #endif |
305 | ||
9ae8f997 | 306 | |
f927c5ae JB |
307 | #ifdef APOLLO |
308 | #ifndef APOLLO_SR10 | |
309 | /* If USE_DOMAIN_ACLS environment variable exists, | |
310 | use ACLs rather than UNIX modes. */ | |
311 | if (egetenv ("USE_DOMAIN_ACLS")) | |
312 | default_acl (USE_DEFACL); | |
313 | #endif | |
314 | #endif /* APOLLO */ | |
315 | ||
316 | #ifndef SYSTEM_MALLOC | |
317 | if (! initialized) | |
9ac0d9e0 JB |
318 | { |
319 | /* Arrange to get warning messages as memory fills up. */ | |
320 | memory_warnings (0, malloc_warning); | |
321 | ||
322 | /* Arrange to disable interrupt input while malloc and friends are | |
323 | running. */ | |
324 | uninterrupt_malloc (); | |
325 | } | |
f927c5ae JB |
326 | #endif /* not SYSTEM_MALLOC */ |
327 | ||
3005da00 RS |
328 | #ifdef PRIO_PROCESS |
329 | if (emacs_priority) | |
5aa7f46a | 330 | nice (emacs_priority); |
f927c5ae | 331 | setuid (getuid ()); |
3005da00 | 332 | #endif /* PRIO_PROCESS */ |
f927c5ae | 333 | |
f927c5ae JB |
334 | inhibit_window_system = 0; |
335 | ||
4fc0b45b | 336 | /* Handle the -t switch, which specifies filename to use as terminal */ |
f927c5ae JB |
337 | if (skip_args + 2 < argc && !strcmp (argv[skip_args + 1], "-t")) |
338 | { | |
339 | int result; | |
340 | skip_args += 2; | |
341 | close (0); | |
342 | close (1); | |
343 | result = open (argv[skip_args], O_RDWR, 2 ); | |
344 | if (result < 0) | |
345 | { | |
346 | char *errstring; | |
347 | ||
348 | if (errno >= 0 && errno < sys_nerr) | |
349 | errstring = sys_errlist[errno]; | |
350 | else | |
351 | errstring = "undocumented error code"; | |
352 | fprintf (stderr, "emacs: %s: %s\n", argv[skip_args], errstring); | |
353 | exit (1); | |
354 | } | |
355 | dup (0); | |
356 | if (! isatty (0)) | |
357 | { | |
358 | fprintf (stderr, "emacs: %s: not a tty\n", argv[skip_args]); | |
359 | exit (1); | |
360 | } | |
361 | fprintf (stderr, "Using %s\n", argv[skip_args]); | |
362 | #ifdef HAVE_X_WINDOWS | |
363 | inhibit_window_system = 1; /* -t => -nw */ | |
364 | #endif | |
365 | } | |
366 | ||
367 | if (skip_args + 1 < argc | |
368 | && (!strcmp (argv[skip_args + 1], "-nw"))) | |
369 | { | |
370 | skip_args += 1; | |
371 | inhibit_window_system = 1; | |
372 | } | |
373 | ||
374 | /* Handle the -batch switch, which means don't do interactive display. */ | |
375 | noninteractive = 0; | |
376 | if (skip_args + 1 < argc && !strcmp (argv[skip_args + 1], "-batch")) | |
377 | { | |
378 | skip_args += 1; | |
379 | noninteractive = 1; | |
380 | } | |
381 | ||
fb8e9847 JB |
382 | #ifdef POSIX_SIGNALS |
383 | init_signals (); | |
384 | #endif | |
385 | ||
f927c5ae JB |
386 | if ( |
387 | #ifndef CANNOT_DUMP | |
388 | ! noninteractive || initialized | |
389 | #else | |
390 | 1 | |
391 | #endif | |
392 | ) | |
393 | { | |
394 | /* Don't catch these signals in batch mode if not initialized. | |
395 | On some machines, this sets static data that would make | |
396 | signal fail to work right when the dumped Emacs is run. */ | |
397 | signal (SIGHUP, fatal_error_signal); | |
398 | signal (SIGQUIT, fatal_error_signal); | |
399 | signal (SIGILL, fatal_error_signal); | |
400 | signal (SIGTRAP, fatal_error_signal); | |
a90538cb JB |
401 | #ifdef SIGIOT |
402 | /* This is missing on some systems - OS/2, for example. */ | |
f927c5ae | 403 | signal (SIGIOT, fatal_error_signal); |
a90538cb | 404 | #endif |
f927c5ae JB |
405 | #ifdef SIGEMT |
406 | signal (SIGEMT, fatal_error_signal); | |
407 | #endif | |
408 | signal (SIGFPE, fatal_error_signal); | |
00eaaa32 | 409 | #ifdef SIGBUS |
f927c5ae | 410 | signal (SIGBUS, fatal_error_signal); |
00eaaa32 | 411 | #endif |
f927c5ae | 412 | signal (SIGSEGV, fatal_error_signal); |
00eaaa32 | 413 | #ifdef SIGSYS |
f927c5ae | 414 | signal (SIGSYS, fatal_error_signal); |
00eaaa32 | 415 | #endif |
f927c5ae JB |
416 | signal (SIGTERM, fatal_error_signal); |
417 | #ifdef SIGXCPU | |
418 | signal (SIGXCPU, fatal_error_signal); | |
419 | #endif | |
420 | #ifdef SIGXFSZ | |
421 | signal (SIGXFSZ, fatal_error_signal); | |
422 | #endif /* SIGXFSZ */ | |
423 | ||
424 | #ifdef AIX | |
425 | signal (SIGDANGER, fatal_error_signal); | |
426 | signal (20, fatal_error_signal); | |
427 | signal (21, fatal_error_signal); | |
428 | signal (22, fatal_error_signal); | |
429 | signal (23, fatal_error_signal); | |
430 | signal (24, fatal_error_signal); | |
bfb61299 | 431 | #ifdef SIGIO |
f927c5ae JB |
432 | signal (SIGAIO, fatal_error_signal); |
433 | signal (SIGPTY, fatal_error_signal); | |
bfb61299 | 434 | #endif |
0aef8561 | 435 | #ifndef _I386 |
f927c5ae | 436 | signal (SIGIOINT, fatal_error_signal); |
0aef8561 | 437 | #endif |
f927c5ae JB |
438 | signal (SIGGRANT, fatal_error_signal); |
439 | signal (SIGRETRACT, fatal_error_signal); | |
440 | signal (SIGSOUND, fatal_error_signal); | |
441 | signal (SIGMSG, fatal_error_signal); | |
442 | #endif /* AIX */ | |
443 | } | |
444 | ||
445 | noninteractive1 = noninteractive; | |
446 | ||
447 | /* Perform basic initializations (not merely interning symbols) */ | |
448 | ||
449 | if (!initialized) | |
450 | { | |
451 | init_alloc_once (); | |
452 | init_obarray (); | |
453 | init_eval_once (); | |
454 | init_syntax_once (); /* Create standard syntax table. */ | |
455 | /* Must be done before init_buffer */ | |
456 | init_casetab_once (); | |
457 | init_buffer_once (); /* Create buffer table and some buffers */ | |
458 | init_minibuf_once (); /* Create list of minibuffers */ | |
459 | /* Must precede init_window_once */ | |
460 | init_window_once (); /* Init the window system */ | |
461 | } | |
462 | ||
463 | init_alloc (); | |
f927c5ae JB |
464 | init_eval (); |
465 | init_data (); | |
0e956009 JB |
466 | |
467 | /* egetenv is a pretty low-level facility, which may get called in | |
468 | many circumstances; it seems flimsy to put off initializing it | |
469 | until calling init_callproc. */ | |
470 | set_process_environment (); | |
471 | ||
fb8e9847 | 472 | init_lread (); |
f927c5ae JB |
473 | |
474 | init_cmdargs (argc, argv, skip_args); /* Create list Vcommand_line_args */ | |
475 | init_buffer (); /* Init default directory of main buffer */ | |
476 | if (!noninteractive) | |
477 | { | |
478 | #ifdef VMS | |
1cbd5d9d | 479 | init_vms_input ();/* init_display calls get_frame_size, that needs this */ |
f927c5ae JB |
480 | #endif /* VMS */ |
481 | init_display (); /* Determine terminal type. init_sys_modes uses results */ | |
482 | } | |
483 | init_keyboard (); /* This too must precede init_sys_modes */ | |
484 | init_callproc (); /* And this too. */ | |
485 | #ifdef VMS | |
486 | init_vmsproc (); /* And this too. */ | |
487 | #endif /* VMS */ | |
488 | init_sys_modes (); /* Init system terminal modes (RAW or CBREAK, etc.) */ | |
489 | init_xdisp (); | |
490 | init_macros (); | |
491 | init_editfns (); | |
492 | #ifdef LISP_FLOAT_TYPE | |
493 | init_floatfns (); | |
494 | #endif | |
495 | #ifdef VMS | |
496 | init_vmsfns (); | |
497 | #endif /* VMS */ | |
f927c5ae | 498 | init_process (); |
32676c08 JB |
499 | #ifdef CLASH_DETECTION |
500 | init_filelock (); | |
501 | #endif /* CLASH_DETECTION */ | |
f927c5ae JB |
502 | |
503 | /* Intern the names of all standard functions and variables; define standard keys */ | |
504 | ||
505 | if (!initialized) | |
506 | { | |
507 | /* The basic levels of Lisp must come first */ | |
508 | /* And data must come first of all | |
509 | for the sake of symbols like error-message */ | |
510 | syms_of_data (); | |
511 | syms_of_alloc (); | |
fb8e9847 | 512 | syms_of_lread (); |
f927c5ae JB |
513 | syms_of_print (); |
514 | syms_of_eval (); | |
515 | syms_of_fns (); | |
516 | #ifdef LISP_FLOAT_TYPE | |
517 | syms_of_floatfns (); | |
518 | #endif | |
519 | ||
520 | syms_of_abbrev (); | |
521 | syms_of_buffer (); | |
522 | syms_of_bytecode (); | |
523 | syms_of_callint (); | |
524 | syms_of_casefiddle (); | |
525 | syms_of_casetab (); | |
526 | syms_of_callproc (); | |
527 | syms_of_cmds (); | |
528 | #ifndef NO_DIR_LIBRARY | |
529 | syms_of_dired (); | |
530 | #endif /* not NO_DIR_LIBRARY */ | |
531 | syms_of_display (); | |
532 | syms_of_doc (); | |
533 | syms_of_editfns (); | |
534 | syms_of_emacs (); | |
535 | syms_of_fileio (); | |
536 | #ifdef CLASH_DETECTION | |
537 | syms_of_filelock (); | |
538 | #endif /* CLASH_DETECTION */ | |
539 | syms_of_indent (); | |
540 | syms_of_keyboard (); | |
541 | syms_of_keymap (); | |
542 | syms_of_macros (); | |
543 | syms_of_marker (); | |
544 | syms_of_minibuf (); | |
545 | syms_of_mocklisp (); | |
f927c5ae | 546 | syms_of_process (); |
f927c5ae | 547 | syms_of_search (); |
1cbd5d9d | 548 | syms_of_frame (); |
f927c5ae JB |
549 | syms_of_syntax (); |
550 | syms_of_undo (); | |
bef79ee4 JA |
551 | |
552 | /* Only defined if Emacs is compiled with USE_TEXT_PROPERTIES */ | |
553 | syms_of_textprop (); | |
f927c5ae JB |
554 | #ifdef VMS |
555 | syms_of_vmsproc (); | |
556 | #endif /* VMS */ | |
557 | syms_of_window (); | |
558 | syms_of_xdisp (); | |
559 | #ifdef HAVE_X_WINDOWS | |
72412588 | 560 | syms_of_xterm (); |
f927c5ae | 561 | syms_of_xfns (); |
9c3f23b7 | 562 | syms_of_xfaces (); |
72412588 JB |
563 | #ifdef HAVE_X11 |
564 | syms_of_xselect (); | |
565 | #endif | |
dbc4e1c1 | 566 | #ifdef HAVE_X_MENU |
f927c5ae JB |
567 | syms_of_xmenu (); |
568 | #endif /* HAVE_X_MENU */ | |
569 | #endif /* HAVE_X_WINDOWS */ | |
570 | ||
571 | #ifdef SYMS_SYSTEM | |
572 | SYMS_SYSTEM; | |
573 | #endif | |
574 | ||
575 | #ifdef SYMS_MACHINE | |
576 | SYMS_MACHINE; | |
577 | #endif | |
578 | ||
579 | keys_of_casefiddle (); | |
580 | keys_of_cmds (); | |
581 | keys_of_buffer (); | |
582 | keys_of_keyboard (); | |
583 | keys_of_keymap (); | |
584 | keys_of_macros (); | |
585 | keys_of_minibuf (); | |
586 | keys_of_window (); | |
5e67fbc2 | 587 | keys_of_frame (); |
f927c5ae JB |
588 | } |
589 | ||
590 | if (!initialized) | |
591 | { | |
592 | /* Handle -l loadup-and-dump, args passed by Makefile. */ | |
593 | if (argc > 2 + skip_args && !strcmp (argv[1 + skip_args], "-l")) | |
594 | Vtop_level = Fcons (intern ("load"), | |
595 | Fcons (build_string (argv[2 + skip_args]), Qnil)); | |
596 | #ifdef CANNOT_DUMP | |
597 | /* Unless next switch is -nl, load "loadup.el" first thing. */ | |
598 | if (!(argc > 1 + skip_args && !strcmp (argv[1 + skip_args], "-nl"))) | |
599 | Vtop_level = Fcons (intern ("load"), | |
600 | Fcons (build_string ("loadup.el"), Qnil)); | |
601 | #endif /* CANNOT_DUMP */ | |
602 | } | |
603 | ||
604 | initialized = 1; | |
605 | ||
279cc2b8 JB |
606 | #ifdef sun |
607 | /* sun's localtime() has a bug. it caches the value of the time | |
608 | zone rather than looking it up every time. Since localtime() is | |
609 | called to bolt the undumping time into the undumped emacs, this | |
610 | results in localtime() ignoring the TZ environment variable. | |
611 | This flushes the new TZ value into localtime(). */ | |
612 | tzset(); | |
613 | #endif /* sun */ | |
614 | ||
f927c5ae JB |
615 | /* Enter editor command loop. This never returns. */ |
616 | Frecursive_edit (); | |
617 | /* NOTREACHED */ | |
618 | } | |
619 | \f | |
620 | DEFUN ("kill-emacs", Fkill_emacs, Skill_emacs, 0, 1, "P", | |
edc8ae07 | 621 | "Exit the Emacs job and kill it.\n\ |
f927c5ae JB |
622 | If ARG is an integer, return ARG as the exit program code.\n\ |
623 | If ARG is a string, stuff it as keyboard input.\n\n\ | |
624 | The value of `kill-emacs-hook', if not void,\n\ | |
625 | is a list of functions (of no args),\n\ | |
626 | all of which are called before Emacs is actually killed.") | |
627 | (arg) | |
628 | Lisp_Object arg; | |
629 | { | |
630 | Lisp_Object hook, hook1; | |
631 | int i; | |
632 | struct gcpro gcpro1; | |
633 | ||
634 | GCPRO1 (arg); | |
635 | ||
636 | if (feof (stdin)) | |
637 | arg = Qt; | |
638 | ||
2447c626 | 639 | if (!NILP (Vrun_hooks) && !noninteractive) |
f927c5ae JB |
640 | call1 (Vrun_hooks, intern ("kill-emacs-hook")); |
641 | ||
f927c5ae JB |
642 | UNGCPRO; |
643 | ||
644 | /* Is it really necessary to do this deassign | |
645 | when we are going to exit anyway? */ | |
646 | /* #ifdef VMS | |
647 | stop_vms_input (); | |
648 | #endif */ | |
40be253a | 649 | |
d0068e25 | 650 | shut_down_emacs (0, 0, STRINGP (arg) ? arg : Qnil); |
40be253a | 651 | |
f927c5ae JB |
652 | exit ((XTYPE (arg) == Lisp_Int) ? XINT (arg) |
653 | #ifdef VMS | |
654 | : 1 | |
655 | #else | |
656 | : 0 | |
657 | #endif | |
658 | ); | |
659 | /* NOTREACHED */ | |
660 | } | |
40be253a JB |
661 | |
662 | ||
663 | /* Perform an orderly shutdown of Emacs. Autosave any modified | |
664 | buffers, kill any child processes, clean up the terminal modes (if | |
665 | we're in the foreground), and other stuff like that. Don't perform | |
666 | any redisplay; this may be called when Emacs is shutting down in | |
667 | the background, or after its X connection has died. | |
668 | ||
669 | If SIG is a signal number, print a message for it. | |
670 | ||
671 | This is called by fatal signal handlers, X protocol error handlers, | |
672 | and Fkill_emacs. */ | |
f7ab4e3d | 673 | |
40be253a | 674 | void |
f7ab4e3d | 675 | shut_down_emacs (sig, no_x, stuff) |
41423a80 | 676 | int sig, no_x; |
f7ab4e3d | 677 | Lisp_Object stuff; |
40be253a JB |
678 | { |
679 | /* If we are controlling the terminal, reset terminal modes */ | |
680 | #ifdef EMACS_HAVE_TTY_PGRP | |
681 | { | |
5a570e37 JB |
682 | #ifdef USG |
683 | int pgrp = getpgrp (); | |
684 | #else | |
685 | int pgrp = getpgrp (0); | |
686 | #endif | |
40be253a JB |
687 | int tpgrp; |
688 | if (EMACS_GET_TTY_PGRP (0, &tpgrp) != -1 | |
5a570e37 | 689 | && tpgrp == pgrp) |
40be253a JB |
690 | { |
691 | fflush (stdout); | |
692 | reset_sys_modes (); | |
693 | if (sig && sig != SIGTERM) | |
694 | fprintf (stderr, "Fatal error (%d).", sig); | |
695 | } | |
696 | } | |
697 | #else | |
698 | fflush (stdout); | |
699 | reset_sys_modes (); | |
700 | #endif | |
701 | ||
f7ab4e3d RS |
702 | stuff_buffered_input (stuff); |
703 | ||
40be253a JB |
704 | kill_buffer_processes (Qnil); |
705 | Fdo_auto_save (Qt, Qnil); | |
706 | ||
707 | #ifdef CLASH_DETECTION | |
708 | unlock_all_files (); | |
709 | #endif | |
710 | ||
711 | #ifdef VMS | |
712 | kill_vms_processes (); | |
713 | #endif | |
714 | ||
41423a80 RS |
715 | #ifdef HAVE_X_WINDOWS |
716 | if (!noninteractive && EQ (Vwindow_system, intern ("x")) && ! no_x) | |
717 | Fx_close_current_connection (); | |
718 | #endif /* HAVE_X_WINDOWS */ | |
719 | ||
40be253a JB |
720 | #ifdef SIGIO |
721 | /* There is a tendency for a SIGIO signal to arrive within exit, | |
722 | and cause a SIGHUP because the input descriptor is already closed. */ | |
723 | unrequest_sigio (); | |
724 | signal (SIGIO, SIG_IGN); | |
725 | #endif | |
726 | } | |
727 | ||
728 | ||
f927c5ae JB |
729 | \f |
730 | #ifndef CANNOT_DUMP | |
731 | /* Nothing like this can be implemented on an Apollo. | |
732 | What a loss! */ | |
733 | ||
734 | #ifdef HAVE_SHM | |
735 | ||
736 | DEFUN ("dump-emacs-data", Fdump_emacs_data, Sdump_emacs_data, 1, 1, 0, | |
737 | "Dump current state of Emacs into data file FILENAME.\n\ | |
738 | This function exists on systems that use HAVE_SHM.") | |
739 | (intoname) | |
740 | Lisp_Object intoname; | |
741 | { | |
742 | extern int my_edata; | |
743 | Lisp_Object tem; | |
744 | extern void malloc_warning (); | |
745 | ||
746 | CHECK_STRING (intoname, 0); | |
747 | intoname = Fexpand_file_name (intoname, Qnil); | |
748 | ||
749 | tem = Vpurify_flag; | |
750 | Vpurify_flag = Qnil; | |
751 | ||
752 | fflush (stdout); | |
753 | /* Tell malloc where start of impure now is */ | |
754 | /* Also arrange for warnings when nearly out of space. */ | |
755 | #ifndef SYSTEM_MALLOC | |
70eb2c3e | 756 | memory_warnings (&my_edata, malloc_warning); |
f927c5ae JB |
757 | #endif |
758 | map_out_data (XSTRING (intoname)->data); | |
759 | ||
760 | Vpurify_flag = tem; | |
761 | ||
762 | return Qnil; | |
763 | } | |
764 | ||
765 | #else /* not HAVE_SHM */ | |
766 | ||
767 | DEFUN ("dump-emacs", Fdump_emacs, Sdump_emacs, 2, 2, 0, | |
768 | "Dump current state of Emacs into executable file FILENAME.\n\ | |
769 | Take symbols from SYMFILE (presumably the file you executed to run Emacs).\n\ | |
770 | This is used in the file `loadup.el' when building Emacs.\n\ | |
771 | \n\ | |
772 | Bind `command-line-processed' to nil before dumping,\n\ | |
773 | if you want the dumped Emacs to process its command line\n\ | |
774 | and announce itself normally when it is run.") | |
775 | (intoname, symname) | |
776 | Lisp_Object intoname, symname; | |
777 | { | |
778 | extern int my_edata; | |
779 | Lisp_Object tem; | |
780 | extern void malloc_warning (); | |
781 | ||
782 | CHECK_STRING (intoname, 0); | |
783 | intoname = Fexpand_file_name (intoname, Qnil); | |
2447c626 | 784 | if (!NILP (symname)) |
f927c5ae JB |
785 | { |
786 | CHECK_STRING (symname, 0); | |
787 | if (XSTRING (symname)->size) | |
788 | symname = Fexpand_file_name (symname, Qnil); | |
789 | } | |
790 | ||
791 | tem = Vpurify_flag; | |
792 | Vpurify_flag = Qnil; | |
793 | ||
794 | fflush (stdout); | |
795 | #ifdef VMS | |
796 | mapout_data (XSTRING (intoname)->data); | |
797 | #else | |
798 | /* Tell malloc where start of impure now is */ | |
799 | /* Also arrange for warnings when nearly out of space. */ | |
800 | #ifndef SYSTEM_MALLOC | |
70eb2c3e | 801 | memory_warnings (&my_edata, malloc_warning); |
f927c5ae JB |
802 | #endif |
803 | unexec (XSTRING (intoname)->data, | |
2447c626 | 804 | !NILP (symname) ? XSTRING (symname)->data : 0, &my_edata, 0, 0); |
f927c5ae JB |
805 | #endif /* not VMS */ |
806 | ||
807 | Vpurify_flag = tem; | |
808 | ||
809 | return Qnil; | |
810 | } | |
811 | ||
812 | #endif /* not HAVE_SHM */ | |
813 | ||
814 | #endif /* not CANNOT_DUMP */ | |
815 | \f | |
4b163808 | 816 | #ifndef SEPCHAR |
f927c5ae JB |
817 | #define SEPCHAR ':' |
818 | #endif | |
819 | ||
820 | Lisp_Object | |
821 | decode_env_path (evarname, defalt) | |
822 | char *evarname, *defalt; | |
823 | { | |
824 | register char *path, *p; | |
825 | extern char *index (); | |
826 | ||
827 | Lisp_Object lpath; | |
828 | ||
2447c626 JB |
829 | /* It's okay to use getenv here, because this function is only used |
830 | to initialize variables when Emacs starts up, and isn't called | |
831 | after that. */ | |
e065a56e JB |
832 | if (evarname != 0) |
833 | path = (char *) getenv (evarname); | |
834 | else | |
835 | path = 0; | |
f927c5ae JB |
836 | if (!path) |
837 | path = defalt; | |
838 | lpath = Qnil; | |
839 | while (1) | |
840 | { | |
841 | p = index (path, SEPCHAR); | |
842 | if (!p) p = path + strlen (path); | |
843 | lpath = Fcons (p - path ? make_string (path, p - path) : Qnil, | |
844 | lpath); | |
845 | if (*p) | |
846 | path = p + 1; | |
847 | else | |
848 | break; | |
849 | } | |
850 | return Fnreverse (lpath); | |
851 | } | |
852 | ||
853 | syms_of_emacs () | |
854 | { | |
83591e66 | 855 | #ifndef CANNOT_DUMP |
f927c5ae JB |
856 | #ifdef HAVE_SHM |
857 | defsubr (&Sdump_emacs_data); | |
858 | #else | |
859 | defsubr (&Sdump_emacs); | |
83591e66 | 860 | #endif |
f927c5ae JB |
861 | #endif |
862 | ||
863 | defsubr (&Skill_emacs); | |
864 | ||
59653951 JB |
865 | defsubr (&Sinvocation_name); |
866 | ||
f927c5ae JB |
867 | DEFVAR_LISP ("command-line-args", &Vcommand_line_args, |
868 | "Args passed by shell to Emacs, as a list of strings."); | |
869 | ||
870 | DEFVAR_LISP ("system-type", &Vsystem_type, | |
871 | "Value is symbol indicating type of operating system you are using."); | |
872 | Vsystem_type = intern (SYSTEM_TYPE); | |
873 | ||
874 | DEFVAR_BOOL ("noninteractive", &noninteractive1, | |
875 | "Non-nil means Emacs is running without interactive terminal."); | |
e5d77022 | 876 | |
e5d77022 | 877 | DEFVAR_LISP ("kill-emacs-hook", &Vkill_emacs_hook, |
edc8ae07 JB |
878 | "Hook to be run whenever kill-emacs is called.\n\ |
879 | Since kill-emacs may be invoked when the terminal is disconnected (or\n\ | |
880 | in other similar situations), functions placed on this hook should not\n\ | |
679aee02 | 881 | expect to be able to interact with the user."); |
edc8ae07 | 882 | Vkill_emacs_hook = Qnil; |
3005da00 RS |
883 | |
884 | DEFVAR_INT ("emacs-priority", &emacs_priority, | |
885 | "Priority for Emacs to run at.\n\ | |
886 | This value is effective only if set before Emacs is dumped,\n\ | |
887 | and only if the Emacs executable is installed with setuid to permit\n\ | |
888 | it to change priority. (Emacs sets its uid back to the real uid.)"); | |
889 | emacs_priority = 0; | |
59653951 JB |
890 | |
891 | staticpro (&Vinvocation_name); | |
892 | Vinvocation_name = Qnil; | |
f927c5ae | 893 | } |