Commit | Line | Data |
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f927c5ae | 1 | /* Fully extensible Emacs, running on Unix, intended for GNU. |
f8c25f1b | 2 | Copyright (C) 1985, 86, 87, 93, 94, 95 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 | |
5a7670bf RS |
18 | the Free Software Foundation, Inc., 59 Temple Place - Suite 330, |
19 | Boston, MA 02111-1307, USA. */ | |
f927c5ae JB |
20 | |
21 | ||
22 | #include <signal.h> | |
23 | #include <errno.h> | |
24 | ||
18160b98 | 25 | #include <config.h> |
f927c5ae JB |
26 | #include <stdio.h> |
27 | ||
28 | #include <sys/types.h> | |
29 | #include <sys/file.h> | |
30 | ||
31 | #ifdef VMS | |
32 | #include <ssdef.h> | |
33 | #endif | |
34 | ||
488b7cb3 | 35 | #ifdef BSD_SYSTEM |
f927c5ae JB |
36 | #include <sys/ioctl.h> |
37 | #endif | |
38 | ||
f927c5ae JB |
39 | #include "lisp.h" |
40 | #include "commands.h" | |
bef79ee4 | 41 | #include "intervals.h" |
f927c5ae | 42 | |
edc8ae07 | 43 | #include "systty.h" |
6c3a4e9d | 44 | #include "blockinput.h" |
8090eb09 | 45 | #include "syssignal.h" |
6c362a8b | 46 | #include "process.h" |
a41f8bed | 47 | |
53c58b5d RS |
48 | #ifdef HAVE_SETRLIMIT |
49 | #include <sys/time.h> | |
50 | #include <sys/resource.h> | |
51 | #endif | |
52 | ||
f927c5ae JB |
53 | #ifndef O_RDWR |
54 | #define O_RDWR 2 | |
55 | #endif | |
56 | ||
43165242 | 57 | extern void malloc_warning (); |
0269dedb | 58 | extern void set_time_zone_rule (); |
43165242 KH |
59 | extern char *index (); |
60 | extern char *strerror (); | |
61 | ||
f927c5ae JB |
62 | /* Command line args from shell, as list of strings */ |
63 | Lisp_Object Vcommand_line_args; | |
64 | ||
59653951 JB |
65 | /* The name under which Emacs was invoked, with any leading directory |
66 | names discarded. */ | |
67 | Lisp_Object Vinvocation_name; | |
68 | ||
ace40a69 RS |
69 | /* The directory name from which Emacs was invoked. */ |
70 | Lisp_Object Vinvocation_directory; | |
71 | ||
07f4d123 RS |
72 | /* The directory name in which to find subdirs such as lisp and etc. |
73 | nil means get them only from PATH_LOADSEARCH. */ | |
74 | Lisp_Object Vinstallation_directory; | |
75 | ||
e5d77022 JB |
76 | /* Hook run by `kill-emacs' before it does really anything. */ |
77 | Lisp_Object Vkill_emacs_hook; | |
78 | ||
f927c5ae JB |
79 | /* Set nonzero after Emacs has started up the first time. |
80 | Prevents reinitialization of the Lisp world and keymaps | |
81 | on subsequent starts. */ | |
82 | int initialized; | |
83 | ||
15aaf1b5 RS |
84 | #ifdef DOUG_LEA_MALLOC |
85 | /* Preserves a pointer to the memory allocated that copies that | |
86 | static data inside glibc's malloc. */ | |
87 | void *malloc_state_ptr; | |
88 | /* From glibc, a routine that returns a copy of the malloc internal state. */ | |
89 | extern void *malloc_get_state (); | |
90 | /* From glibc, a routine that overwrites the malloc internal state. */ | |
91 | extern void malloc_set_state (); | |
92 | #endif | |
93 | ||
271c7b7c | 94 | /* Variable whose value is symbol giving operating system type. */ |
f927c5ae | 95 | Lisp_Object Vsystem_type; |
271c7b7c RS |
96 | |
97 | /* Variable whose value is string giving configuration built for. */ | |
98 | Lisp_Object Vsystem_configuration; | |
f0fc0b1a KH |
99 | |
100 | /* Variable whose value is string giving configuration options, | |
101 | for use when reporting bugs. */ | |
102 | Lisp_Object Vsystem_configuration_options; | |
103 | ||
213d0b1f RS |
104 | Lisp_Object Qfile_name_handler_alist; |
105 | ||
f927c5ae JB |
106 | /* If non-zero, emacs should not attempt to use an window-specific code, |
107 | but instead should use the virtual terminal under which it was started */ | |
108 | int inhibit_window_system; | |
109 | ||
5aa7f46a JB |
110 | /* If nonzero, set Emacs to run at this priority. This is also used |
111 | in child_setup and sys_suspend to make sure subshells run at normal | |
112 | priority; Those functions have their own extern declaration. */ | |
3005da00 RS |
113 | int emacs_priority; |
114 | ||
7074fde6 FP |
115 | /* If non-zero a filter or a sentinel is running. Tested to save the match |
116 | data on the first attempt to change it inside asynchronous code. */ | |
117 | int running_asynch_code; | |
118 | ||
647cec74 | 119 | #ifdef BSD_PGRPS |
9ae8f997 JB |
120 | /* See sysdep.c. */ |
121 | extern int inherited_pgroup; | |
122 | #endif | |
123 | ||
f927c5ae JB |
124 | #ifdef HAVE_X_WINDOWS |
125 | /* If non-zero, -d was specified, meaning we're using some window system. */ | |
126 | int display_arg; | |
127 | #endif | |
128 | ||
129 | /* An address near the bottom of the stack. | |
130 | Tells GC how to save a copy of the stack. */ | |
131 | char *stack_bottom; | |
132 | ||
8ba50e1a | 133 | #ifdef HAVE_WINDOW_SYSTEM |
f927c5ae | 134 | extern Lisp_Object Vwindow_system; |
8ba50e1a | 135 | #endif /* HAVE_WINDOW_SYSTEM */ |
f927c5ae | 136 | |
1090a161 RS |
137 | extern Lisp_Object Vauto_save_list_file_name; |
138 | ||
f927c5ae JB |
139 | #ifdef USG_SHARED_LIBRARIES |
140 | /* If nonzero, this is the place to put the end of the writable segment | |
141 | at startup. */ | |
142 | ||
143 | unsigned int bss_end = 0; | |
144 | #endif | |
145 | ||
146 | /* Nonzero means running Emacs without interactive terminal. */ | |
147 | ||
148 | int noninteractive; | |
149 | ||
150 | /* Value of Lisp variable `noninteractive'. | |
151 | Normally same as C variable `noninteractive' | |
152 | but nothing terrible happens if user sets this one. */ | |
153 | ||
154 | int noninteractive1; | |
e29f86e4 RS |
155 | |
156 | /* Save argv and argc. */ | |
157 | char **initial_argv; | |
158 | int initial_argc; | |
081bef73 RS |
159 | |
160 | static void sort_args (); | |
f927c5ae JB |
161 | \f |
162 | /* Signal code for the fatal signal that was received */ | |
163 | int fatal_error_code; | |
164 | ||
165 | /* Nonzero if handling a fatal error already */ | |
166 | int fatal_error_in_progress; | |
167 | ||
168 | /* Handle bus errors, illegal instruction, etc. */ | |
2447c626 | 169 | SIGTYPE |
f927c5ae JB |
170 | fatal_error_signal (sig) |
171 | int sig; | |
172 | { | |
f927c5ae JB |
173 | fatal_error_code = sig; |
174 | signal (sig, SIG_DFL); | |
175 | ||
061b7f94 RS |
176 | TOTALLY_UNBLOCK_INPUT; |
177 | ||
f927c5ae | 178 | /* If fatal error occurs in code below, avoid infinite recursion. */ |
8090eb09 JB |
179 | if (! fatal_error_in_progress) |
180 | { | |
181 | fatal_error_in_progress = 1; | |
f927c5ae | 182 | |
f7ab4e3d | 183 | shut_down_emacs (sig, 0, Qnil); |
8090eb09 | 184 | } |
f927c5ae JB |
185 | |
186 | #ifdef VMS | |
f927c5ae JB |
187 | LIB$STOP (SS$_ABORT); |
188 | #else | |
8090eb09 JB |
189 | /* Signal the same code; this time it will really be fatal. |
190 | Remember that since we're in a signal handler, the signal we're | |
191 | going to send is probably blocked, so we have to unblock it if we | |
192 | want to really receive it. */ | |
29b89fe0 | 193 | #ifndef MSDOS |
a90538cb | 194 | sigunblock (sigmask (fatal_error_code)); |
29b89fe0 | 195 | #endif |
f927c5ae JB |
196 | kill (getpid (), fatal_error_code); |
197 | #endif /* not VMS */ | |
198 | } | |
271c7b7c RS |
199 | |
200 | #ifdef SIGDANGER | |
201 | ||
16c323ee | 202 | /* Handler for SIGDANGER. */ |
271c7b7c RS |
203 | SIGTYPE |
204 | memory_warning_signal (sig) | |
205 | int sig; | |
206 | { | |
207 | signal (sig, memory_warning_signal); | |
208 | ||
209 | malloc_warning ("Operating system warns that virtual memory is running low.\n"); | |
55796183 RS |
210 | |
211 | /* It might be unsafe to call do_auto_save now. */ | |
212 | force_auto_save_soon (); | |
271c7b7c RS |
213 | } |
214 | #endif | |
f927c5ae JB |
215 | \f |
216 | /* Code for dealing with Lisp access to the Unix command line */ | |
217 | ||
218 | static | |
219 | init_cmdargs (argc, argv, skip_args) | |
220 | int argc; | |
221 | char **argv; | |
222 | int skip_args; | |
223 | { | |
224 | register int i; | |
213d0b1f RS |
225 | Lisp_Object name, dir, tem; |
226 | int count = specpdl_ptr - specpdl; | |
227 | Lisp_Object raw_name; | |
f927c5ae | 228 | |
e29f86e4 RS |
229 | initial_argv = argv; |
230 | initial_argc = argc; | |
231 | ||
213d0b1f RS |
232 | raw_name = build_string (argv[0]); |
233 | ||
234 | /* Add /: to the front of the name | |
235 | if it would otherwise be treated as magic. */ | |
236 | tem = Ffind_file_name_handler (raw_name, Qt); | |
237 | if (! NILP (tem)) | |
238 | raw_name = concat2 (build_string ("/:"), raw_name); | |
239 | ||
240 | Vinvocation_name = Ffile_name_nondirectory (raw_name); | |
241 | Vinvocation_directory = Ffile_name_directory (raw_name); | |
242 | ||
ace40a69 RS |
243 | /* If we got no directory in argv[0], search PATH to find where |
244 | Emacs actually came from. */ | |
245 | if (NILP (Vinvocation_directory)) | |
246 | { | |
247 | Lisp_Object found; | |
248 | int yes = openp (Vexec_path, Vinvocation_name, | |
6c362a8b | 249 | EXEC_SUFFIXES, &found, 1); |
e443f843 | 250 | if (yes == 1) |
213d0b1f RS |
251 | { |
252 | /* Add /: to the front of the name | |
253 | if it would otherwise be treated as magic. */ | |
254 | tem = Ffind_file_name_handler (found, Qt); | |
255 | if (! NILP (tem)) | |
256 | found = concat2 (build_string ("/:"), found); | |
257 | Vinvocation_directory = Ffile_name_directory (found); | |
258 | } | |
ace40a69 | 259 | } |
59653951 | 260 | |
4133b300 RS |
261 | if (!NILP (Vinvocation_directory) |
262 | && NILP (Ffile_name_absolute_p (Vinvocation_directory))) | |
213d0b1f RS |
263 | /* Emacs was started with relative path, like ./emacs. |
264 | Make it absolute. */ | |
4133b300 RS |
265 | Vinvocation_directory = Fexpand_file_name (Vinvocation_directory, Qnil); |
266 | ||
07f4d123 RS |
267 | Vinstallation_directory = Qnil; |
268 | ||
269 | if (!NILP (Vinvocation_directory)) | |
270 | { | |
271 | dir = Vinvocation_directory; | |
272 | name = Fexpand_file_name (Vinvocation_name, dir); | |
273 | while (1) | |
274 | { | |
f5ab9736 | 275 | Lisp_Object tem, lib_src_exists; |
07f4d123 RS |
276 | Lisp_Object etc_exists, info_exists; |
277 | ||
f5ab9736 RS |
278 | /* See if dir contains subdirs for use by Emacs. |
279 | Check for the ones that would exist in a build directory, | |
280 | not including lisp and info. */ | |
281 | tem = Fexpand_file_name (build_string ("lib-src"), dir); | |
282 | lib_src_exists = Ffile_exists_p (tem); | |
de004cc6 | 283 | |
70344b34 | 284 | #ifdef MSDOS |
de004cc6 RS |
285 | /* MSDOS installations frequently remove lib-src, but we still |
286 | must set installation-directory, or else info won't find | |
287 | its files (it uses the value of installation-directory). */ | |
288 | tem = Fexpand_file_name (build_string ("info"), dir); | |
289 | info_exists = Ffile_exists_p (tem); | |
70344b34 EZ |
290 | #else |
291 | info_exists = Qnil; | |
292 | #endif | |
de004cc6 RS |
293 | |
294 | if (!NILP (lib_src_exists) || !NILP (info_exists)) | |
07f4d123 | 295 | { |
f5ab9736 RS |
296 | tem = Fexpand_file_name (build_string ("etc"), dir); |
297 | etc_exists = Ffile_exists_p (tem); | |
298 | if (!NILP (etc_exists)) | |
07f4d123 | 299 | { |
f5ab9736 RS |
300 | Vinstallation_directory |
301 | = Ffile_name_as_directory (dir); | |
302 | break; | |
07f4d123 RS |
303 | } |
304 | } | |
305 | ||
306 | /* See if dir's parent contains those subdirs. */ | |
f5ab9736 RS |
307 | tem = Fexpand_file_name (build_string ("../lib-src"), dir); |
308 | lib_src_exists = Ffile_exists_p (tem); | |
de004cc6 | 309 | |
70344b34 EZ |
310 | |
311 | #ifdef MSDOS | |
312 | /* See the MSDOS commentary above. */ | |
de004cc6 RS |
313 | tem = Fexpand_file_name (build_string ("../info"), dir); |
314 | info_exists = Ffile_exists_p (tem); | |
70344b34 EZ |
315 | #else |
316 | info_exists = Qnil; | |
317 | #endif | |
de004cc6 RS |
318 | |
319 | if (!NILP (lib_src_exists) || !NILP (info_exists)) | |
07f4d123 | 320 | { |
f5ab9736 RS |
321 | tem = Fexpand_file_name (build_string ("../etc"), dir); |
322 | etc_exists = Ffile_exists_p (tem); | |
323 | if (!NILP (etc_exists)) | |
07f4d123 | 324 | { |
f5ab9736 RS |
325 | tem = Fexpand_file_name (build_string (".."), dir); |
326 | Vinstallation_directory | |
327 | = Ffile_name_as_directory (tem); | |
328 | break; | |
07f4d123 RS |
329 | } |
330 | } | |
331 | ||
332 | /* If the Emacs executable is actually a link, | |
333 | next try the dir that the link points into. */ | |
334 | tem = Ffile_symlink_p (name); | |
335 | if (!NILP (tem)) | |
336 | { | |
260ec24d | 337 | name = Fexpand_file_name (tem, dir); |
07f4d123 RS |
338 | dir = Ffile_name_directory (name); |
339 | } | |
340 | else | |
341 | break; | |
342 | } | |
343 | } | |
344 | ||
f927c5ae JB |
345 | Vcommand_line_args = Qnil; |
346 | ||
347 | for (i = argc - 1; i >= 0; i--) | |
348 | { | |
349 | if (i == 0 || i > skip_args) | |
350 | Vcommand_line_args | |
351 | = Fcons (build_string (argv[i]), Vcommand_line_args); | |
352 | } | |
213d0b1f RS |
353 | |
354 | unbind_to (count, Qnil); | |
f927c5ae | 355 | } |
59653951 JB |
356 | |
357 | DEFUN ("invocation-name", Finvocation_name, Sinvocation_name, 0, 0, 0, | |
358 | "Return the program name that was used to run Emacs.\n\ | |
359 | Any directory names are omitted.") | |
360 | () | |
361 | { | |
362 | return Fcopy_sequence (Vinvocation_name); | |
363 | } | |
364 | ||
ace40a69 RS |
365 | DEFUN ("invocation-directory", Finvocation_directory, Sinvocation_directory, |
366 | 0, 0, 0, | |
367 | "Return the directory name in which the Emacs executable was located") | |
368 | () | |
369 | { | |
370 | return Fcopy_sequence (Vinvocation_directory); | |
371 | } | |
372 | ||
f927c5ae JB |
373 | \f |
374 | #ifdef VMS | |
375 | #ifdef LINK_CRTL_SHARE | |
34035df3 | 376 | #ifdef SHARABLE_LIB_BUG |
f927c5ae | 377 | extern noshare char **environ; |
34035df3 | 378 | #endif /* SHARABLE_LIB_BUG */ |
f927c5ae JB |
379 | #endif /* LINK_CRTL_SHARE */ |
380 | #endif /* VMS */ | |
381 | ||
0269dedb RS |
382 | #ifdef HAVE_TZSET |
383 | /* A valid but unlikely value for the TZ environment value. | |
384 | It is OK (though a bit slower) if the user actually chooses this value. */ | |
385 | static char dump_tz[] = "UtC0"; | |
386 | #endif | |
387 | ||
a90538cb | 388 | #ifndef ORDINARY_LINK |
efd241cc RS |
389 | /* We don't include crtbegin.o and crtend.o in the link, |
390 | so these functions and variables might be missed. | |
391 | Provide dummy definitions to avoid error. | |
392 | (We don't have any real constructors or destructors.) */ | |
393 | #ifdef __GNUC__ | |
46e65b73 | 394 | #ifndef GCC_CTORS_IN_LIBC |
c83a7064 | 395 | __do_global_ctors () |
efd241cc | 396 | {} |
c83a7064 RS |
397 | __do_global_ctors_aux () |
398 | {} | |
33143604 RS |
399 | __do_global_dtors () |
400 | {} | |
64c1864a RS |
401 | /* Linux has a bug in its library; avoid an error. */ |
402 | #ifndef LINUX | |
c83a7064 | 403 | char * __CTOR_LIST__[2] = { (char *) (-1), 0 }; |
64c1864a | 404 | #endif |
c83a7064 | 405 | char * __DTOR_LIST__[2] = { (char *) (-1), 0 }; |
46e65b73 | 406 | #endif /* GCC_CTORS_IN_LIBC */ |
c83a7064 | 407 | __main () |
efd241cc | 408 | {} |
efd241cc | 409 | #endif /* __GNUC__ */ |
a90538cb | 410 | #endif /* ORDINARY_LINK */ |
efd241cc | 411 | |
e2925360 KH |
412 | /* Test whether the next argument in ARGV matches SSTR or a prefix of |
413 | LSTR (at least MINLEN characters). If so, then if VALPTR is non-null | |
414 | (the argument is supposed to have a value) store in *VALPTR either | |
415 | the next argument or the portion of this one after the equal sign. | |
416 | ARGV is read starting at position *SKIPPTR; this index is advanced | |
417 | by the number of arguments used. | |
418 | ||
419 | Too bad we can't just use getopt for all of this, but we don't have | |
420 | enough information to do it right. */ | |
081bef73 | 421 | |
e2925360 | 422 | static int |
df6530f8 | 423 | argmatch (argv, argc, sstr, lstr, minlen, valptr, skipptr) |
e2925360 | 424 | char **argv; |
df6530f8 | 425 | int argc; |
e2925360 KH |
426 | char *sstr; |
427 | char *lstr; | |
428 | int minlen; | |
429 | char **valptr; | |
430 | int *skipptr; | |
431 | { | |
432 | char *p; | |
433 | int arglen; | |
df6530f8 RS |
434 | char *arg; |
435 | ||
436 | /* Don't access argv[argc]; give up in advance. */ | |
437 | if (argc <= *skipptr + 1) | |
438 | return 0; | |
439 | ||
440 | arg = argv[*skipptr+1]; | |
e2925360 KH |
441 | if (arg == NULL) |
442 | return 0; | |
443 | if (strcmp (arg, sstr) == 0) | |
444 | { | |
445 | if (valptr != NULL) | |
446 | { | |
447 | *valptr = argv[*skipptr+2]; | |
448 | *skipptr += 2; | |
449 | } | |
450 | else | |
451 | *skipptr += 1; | |
452 | return 1; | |
453 | } | |
454 | arglen = (valptr != NULL && (p = index (arg, '=')) != NULL | |
455 | ? p - arg : strlen (arg)); | |
c03e1113 | 456 | if (lstr == 0 || arglen < minlen || strncmp (arg, lstr, arglen) != 0) |
e2925360 KH |
457 | return 0; |
458 | else if (valptr == NULL) | |
459 | { | |
460 | *skipptr += 1; | |
461 | return 1; | |
462 | } | |
463 | else if (p != NULL) | |
464 | { | |
465 | *valptr = p+1; | |
466 | *skipptr += 1; | |
467 | return 1; | |
468 | } | |
469 | else if (argv[*skipptr+2] != NULL) | |
470 | { | |
471 | *valptr = argv[*skipptr+2]; | |
472 | *skipptr += 2; | |
473 | return 1; | |
474 | } | |
475 | else | |
476 | { | |
477 | return 0; | |
478 | } | |
479 | } | |
480 | ||
f927c5ae JB |
481 | /* ARGSUSED */ |
482 | main (argc, argv, envp) | |
483 | int argc; | |
484 | char **argv; | |
485 | char **envp; | |
486 | { | |
487 | char stack_bottom_variable; | |
488 | int skip_args = 0; | |
489 | extern int errno; | |
490 | extern sys_nerr; | |
53c58b5d RS |
491 | #ifdef HAVE_SETRLIMIT |
492 | struct rlimit rlim; | |
493 | #endif | |
f927c5ae | 494 | |
6000fe37 RS |
495 | #ifdef LINUX_SBRK_BUG |
496 | __sbrk (1); | |
497 | #endif | |
498 | ||
15aaf1b5 RS |
499 | #ifdef DOUG_LEA_MALLOC |
500 | if (initialized) | |
501 | { | |
502 | malloc_set_state (malloc_state_ptr); | |
503 | free (malloc_state_ptr); | |
ea2acec5 | 504 | r_alloc_reinit (); |
15aaf1b5 RS |
505 | } |
506 | #endif | |
507 | ||
d785cf9e RS |
508 | #ifdef RUN_TIME_REMAP |
509 | if (initialized) | |
510 | run_time_remap (argv[0]); | |
511 | #endif | |
512 | ||
081bef73 RS |
513 | sort_args (argc, argv); |
514 | ||
1702afef RS |
515 | if (argmatch (argv, argc, "-version", "--version", 3, NULL, &skip_args)) |
516 | { | |
517 | Lisp_Object tem; | |
518 | tem = Fsymbol_value (intern ("emacs-version")); | |
519 | if (!STRINGP (tem)) | |
520 | { | |
521 | fprintf (stderr, "Invalid value of `emacs-version'\n"); | |
522 | exit (1); | |
523 | } | |
524 | else | |
525 | { | |
30ce1583 | 526 | printf ("GNU Emacs %s\n", XSTRING (tem)->data); |
b455c665 RS |
527 | printf ("Copyright (C) 1996 Free Software Foundation, Inc.\n"); |
528 | printf ("GNU Emacs comes with ABSOLUTELY NO WARRANTY.\n"); | |
529 | printf ("You may redistribute copies of Emacs\n"); | |
530 | printf ("under the terms of the GNU General Public License.\n"); | |
531 | printf ("For more information about these matters, "); | |
532 | printf ("see the files named COPYING.\n"); | |
1702afef RS |
533 | exit (0); |
534 | } | |
535 | } | |
536 | ||
f927c5ae JB |
537 | /* Map in shared memory, if we are using that. */ |
538 | #ifdef HAVE_SHM | |
df6530f8 | 539 | if (argmatch (argv, argc, "-nl", "--no-shared-memory", 6, NULL, &skip_args)) |
f927c5ae JB |
540 | { |
541 | map_in_data (0); | |
542 | /* The shared memory was just restored, which clobbered this. */ | |
543 | skip_args = 1; | |
544 | } | |
545 | else | |
546 | { | |
547 | map_in_data (1); | |
548 | /* The shared memory was just restored, which clobbered this. */ | |
549 | skip_args = 0; | |
550 | } | |
551 | #endif | |
552 | ||
19a36ec6 | 553 | #ifdef NeXT |
b9df9faa KH |
554 | { |
555 | extern int malloc_cookie; | |
556 | /* This helps out unexnext.c. */ | |
557 | if (initialized) | |
558 | if (malloc_jumpstart (malloc_cookie) != 0) | |
559 | printf ("malloc jumpstart failed!\n"); | |
560 | } | |
19a36ec6 RS |
561 | #endif /* NeXT */ |
562 | ||
f927c5ae JB |
563 | #ifdef VMS |
564 | /* If -map specified, map the data file in */ | |
e2925360 KH |
565 | { |
566 | char *file; | |
df6530f8 | 567 | if (argmatch (argv, argc, "-map", "--map-data", 3, &mapin_file, &skip_args)) |
e2925360 KH |
568 | mapin_data (file); |
569 | } | |
f927c5ae JB |
570 | |
571 | #ifdef LINK_CRTL_SHARE | |
34035df3 | 572 | #ifdef SHARABLE_LIB_BUG |
f927c5ae JB |
573 | /* Bletcherous shared libraries! */ |
574 | if (!stdin) | |
575 | stdin = fdopen (0, "r"); | |
576 | if (!stdout) | |
577 | stdout = fdopen (1, "w"); | |
578 | if (!stderr) | |
579 | stderr = fdopen (2, "w"); | |
580 | if (!environ) | |
581 | environ = envp; | |
34035df3 | 582 | #endif /* SHARABLE_LIB_BUG */ |
f927c5ae JB |
583 | #endif /* LINK_CRTL_SHARE */ |
584 | #endif /* VMS */ | |
585 | ||
ea2acec5 | 586 | #if defined (HAVE_SETRLIMIT) && defined (RLIMIT_STACK) |
6c2935e9 RS |
587 | /* Extend the stack space available. |
588 | Don't do that if dumping, since some systems (e.g. DJGPP) | |
589 | might define a smaller stack limit at that time. */ | |
590 | if (1 | |
591 | #ifndef CANNOT_DUMP | |
592 | && (!noninteractive || initialized) | |
593 | #endif | |
594 | && !getrlimit (RLIMIT_STACK, &rlim)) | |
53c58b5d | 595 | { |
509a8fcd | 596 | long newlim; |
6c2935e9 | 597 | extern int re_max_failures; |
509a8fcd | 598 | /* Approximate the amount regex.c needs, plus some more. */ |
6c2935e9 | 599 | newlim = re_max_failures * 2 * 20 * sizeof (char *); |
d0381a7f RS |
600 | #ifdef __NetBSD__ |
601 | /* NetBSD (at least NetBSD 1.2G and former) has a bug in its | |
602 | stack allocation routine for new process that the allocation | |
603 | fails if stack limit is not on page boundary. So, round up the | |
604 | new limit to page boundary. */ | |
605 | newlim = (newlim + getpagesize () - 1) / getpagesize () * getpagesize(); | |
606 | #endif | |
509a8fcd | 607 | if (newlim > rlim.rlim_max) |
6c2935e9 RS |
608 | { |
609 | newlim = rlim.rlim_max; | |
610 | /* Don't let regex.c overflow the stack. */ | |
611 | re_max_failures = newlim / (2 * 20 * sizeof (char *)); | |
612 | } | |
509a8fcd RS |
613 | if (rlim.rlim_cur < newlim) |
614 | rlim.rlim_cur = newlim; | |
615 | ||
53c58b5d RS |
616 | setrlimit (RLIMIT_STACK, &rlim); |
617 | } | |
ea2acec5 | 618 | #endif /* HAVE_SETRLIMIT and RLIMIT_STACK */ |
53c58b5d | 619 | |
f927c5ae JB |
620 | /* Record (approximately) where the stack begins. */ |
621 | stack_bottom = &stack_bottom_variable; | |
622 | ||
f927c5ae JB |
623 | #ifdef USG_SHARED_LIBRARIES |
624 | if (bss_end) | |
1d233b80 | 625 | brk ((void *)bss_end); |
f927c5ae JB |
626 | #endif |
627 | ||
628 | clearerr (stdin); | |
9ae8f997 | 629 | |
f927c5ae JB |
630 | #ifndef SYSTEM_MALLOC |
631 | if (! initialized) | |
9ac0d9e0 JB |
632 | { |
633 | /* Arrange to get warning messages as memory fills up. */ | |
634 | memory_warnings (0, malloc_warning); | |
635 | ||
636 | /* Arrange to disable interrupt input while malloc and friends are | |
637 | running. */ | |
638 | uninterrupt_malloc (); | |
639 | } | |
f927c5ae JB |
640 | #endif /* not SYSTEM_MALLOC */ |
641 | ||
29b89fe0 RS |
642 | #ifdef MSDOS |
643 | /* We do all file input/output as binary files. When we need to translate | |
644 | newlines, we do that manually. */ | |
645 | _fmode = O_BINARY; | |
18198bb2 RS |
646 | |
647 | #if __DJGPP__ >= 2 | |
648 | if (!isatty (fileno (stdin))) | |
649 | setmode (fileno (stdin), O_BINARY); | |
650 | if (!isatty (fileno (stdout))) | |
651 | { | |
652 | fflush (stdout); | |
653 | setmode (fileno (stdout), O_BINARY); | |
654 | } | |
655 | #else /* not __DJGPP__ >= 2 */ | |
29b89fe0 RS |
656 | (stdin)->_flag &= ~_IOTEXT; |
657 | (stdout)->_flag &= ~_IOTEXT; | |
658 | (stderr)->_flag &= ~_IOTEXT; | |
18198bb2 | 659 | #endif /* not __DJGPP__ >= 2 */ |
29b89fe0 RS |
660 | #endif /* MSDOS */ |
661 | ||
a422068f | 662 | #ifdef SET_EMACS_PRIORITY |
3005da00 | 663 | if (emacs_priority) |
5aa7f46a | 664 | nice (emacs_priority); |
f927c5ae | 665 | setuid (getuid ()); |
a422068f | 666 | #endif /* SET_EMACS_PRIORITY */ |
f927c5ae | 667 | |
d8b3a65d | 668 | #ifdef EXTRA_INITIALIZE |
a9260219 | 669 | EXTRA_INITIALIZE; |
d8b3a65d RS |
670 | #endif |
671 | ||
f927c5ae JB |
672 | inhibit_window_system = 0; |
673 | ||
4fc0b45b | 674 | /* Handle the -t switch, which specifies filename to use as terminal */ |
e2925360 KH |
675 | { |
676 | char *term; | |
df6530f8 | 677 | if (argmatch (argv, argc, "-t", "--terminal", 4, &term, &skip_args)) |
e2925360 KH |
678 | { |
679 | int result; | |
680 | close (0); | |
681 | close (1); | |
682 | result = open (term, O_RDWR, 2 ); | |
683 | if (result < 0) | |
684 | { | |
685 | char *errstring = strerror (errno); | |
686 | fprintf (stderr, "emacs: %s: %s\n", term, errstring); | |
687 | exit (1); | |
688 | } | |
689 | dup (0); | |
690 | if (! isatty (0)) | |
691 | { | |
692 | fprintf (stderr, "emacs: %s: not a tty\n", term); | |
693 | exit (1); | |
694 | } | |
695 | fprintf (stderr, "Using %s\n", term); | |
8ba50e1a | 696 | #ifdef HAVE_WINDOW_SYSTEM |
e2925360 | 697 | inhibit_window_system = 1; /* -t => -nw */ |
f927c5ae | 698 | #endif |
e2925360 KH |
699 | } |
700 | } | |
df6530f8 | 701 | if (argmatch (argv, argc, "-nw", "--no-windows", 6, NULL, &skip_args)) |
e2925360 | 702 | inhibit_window_system = 1; |
f927c5ae | 703 | |
e2925360 | 704 | /* Handle the -batch switch, which means don't do interactive display. */ |
f927c5ae | 705 | noninteractive = 0; |
df6530f8 | 706 | if (argmatch (argv, argc, "-batch", "--batch", 5, NULL, &skip_args)) |
e2925360 KH |
707 | noninteractive = 1; |
708 | ||
709 | /* Handle the --help option, which gives a usage message.. */ | |
df6530f8 | 710 | if (argmatch (argv, argc, "-help", "--help", 3, NULL, &skip_args)) |
f927c5ae | 711 | { |
e2925360 KH |
712 | printf ("\ |
713 | Usage: %s [-t term] [--terminal term] [-nw] [--no-windows] [--batch]\n\ | |
714 | [-q] [--no-init-file] [-u user] [--user user] [--debug-init]\n\ | |
afaa660f | 715 | [--version] [--no-site-file]\n\ |
e2925360 | 716 | [-f func] [--funcall func] [-l file] [--load file] [--insert file]\n\ |
f822bec6 RS |
717 | [+linenum] file-to-visit [--kill]\n\ |
718 | Report bugs to bug-gnu-emacs@prep.ai.mit.edu. First, please see\n\ | |
8a7a3407 | 719 | the Bugs section of the Emacs manual or the file BUGS.\n", argv[0]); |
e2925360 | 720 | exit (0); |
f927c5ae JB |
721 | } |
722 | ||
081bef73 RS |
723 | #ifdef HAVE_X_WINDOWS |
724 | /* Stupid kludge to catch command-line display spec. We can't | |
725 | handle this argument entirely in window system dependent code | |
726 | because we don't even know which window system dependent code | |
727 | to run until we've recognized this argument. */ | |
728 | { | |
98ea0308 | 729 | char *displayname = 0; |
081bef73 RS |
730 | int i; |
731 | int count_before = skip_args; | |
732 | ||
df6530f8 | 733 | if (argmatch (argv, argc, "-d", "--display", 3, &displayname, &skip_args)) |
081bef73 | 734 | display_arg = 1; |
df6530f8 | 735 | else if (argmatch (argv, argc, "-display", 0, 3, &displayname, &skip_args)) |
081bef73 RS |
736 | display_arg = 1; |
737 | ||
738 | /* If we have the form --display=NAME, | |
739 | convert it into -d name. | |
740 | This requires inserting a new element into argv. */ | |
741 | if (displayname != 0 && skip_args - count_before == 1) | |
742 | { | |
743 | char **new = (char **) xmalloc (sizeof (char *) * (argc + 2)); | |
744 | int j; | |
745 | ||
746 | for (j = 0; j < count_before + 1; j++) | |
747 | new[j] = argv[j]; | |
748 | new[count_before + 1] = "-d"; | |
749 | new[count_before + 2] = displayname; | |
750 | for (j = count_before + 2; j <argc; j++) | |
751 | new[j + 1] = argv[j]; | |
752 | argv = new; | |
753 | argc++; | |
754 | } | |
1702afef RS |
755 | /* Change --display to -d, when its arg is separate. */ |
756 | else if (displayname != 0 && skip_args > count_before | |
757 | && argv[count_before + 1][1] == '-') | |
813f79d5 | 758 | argv[count_before + 1] = "-d"; |
081bef73 RS |
759 | |
760 | /* Don't actually discard this arg. */ | |
761 | skip_args = count_before; | |
762 | } | |
763 | #endif | |
764 | ||
edb85f59 RS |
765 | if (! noninteractive) |
766 | { | |
767 | #ifdef BSD_PGRPS | |
768 | if (initialized) | |
769 | { | |
770 | inherited_pgroup = EMACS_GETPGRP (0); | |
771 | setpgrp (0, getpid ()); | |
772 | } | |
773 | #else | |
774 | #if defined (USG5) && defined (INTERRUPT_INPUT) | |
775 | setpgrp (); | |
776 | #endif | |
777 | #endif | |
778 | } | |
779 | ||
fb8e9847 JB |
780 | #ifdef POSIX_SIGNALS |
781 | init_signals (); | |
782 | #endif | |
783 | ||
1efa2983 KH |
784 | /* Don't catch SIGHUP if dumping. */ |
785 | if (1 | |
786 | #ifndef CANNOT_DUMP | |
787 | && initialized | |
788 | #endif | |
789 | ) | |
790 | { | |
57e3d22a | 791 | sigblock (sigmask (SIGHUP)); |
1efa2983 KH |
792 | /* In --batch mode, don't catch SIGHUP if already ignored. |
793 | That makes nohup work. */ | |
794 | if (! noninteractive | |
795 | || signal (SIGHUP, SIG_IGN) != SIG_IGN) | |
796 | signal (SIGHUP, fatal_error_signal); | |
57e3d22a | 797 | sigunblock (sigmask (SIGHUP)); |
1efa2983 KH |
798 | } |
799 | ||
f927c5ae JB |
800 | if ( |
801 | #ifndef CANNOT_DUMP | |
802 | ! noninteractive || initialized | |
803 | #else | |
804 | 1 | |
805 | #endif | |
806 | ) | |
807 | { | |
1efa2983 | 808 | /* Don't catch these signals in batch mode if dumping. |
f927c5ae JB |
809 | On some machines, this sets static data that would make |
810 | signal fail to work right when the dumped Emacs is run. */ | |
f927c5ae JB |
811 | signal (SIGQUIT, fatal_error_signal); |
812 | signal (SIGILL, fatal_error_signal); | |
813 | signal (SIGTRAP, fatal_error_signal); | |
99e372cd RS |
814 | #ifdef SIGABRT |
815 | signal (SIGABRT, fatal_error_signal); | |
816 | #endif | |
817 | #ifdef SIGHWE | |
818 | signal (SIGHWE, fatal_error_signal); | |
819 | #endif | |
820 | #ifdef SIGPRE | |
821 | signal (SIGPRE, fatal_error_signal); | |
822 | #endif | |
823 | #ifdef SIGORE | |
824 | signal (SIGORE, fatal_error_signal); | |
825 | #endif | |
826 | #ifdef SIGUME | |
827 | signal (SIGUME, fatal_error_signal); | |
828 | #endif | |
829 | #ifdef SIGDLK | |
830 | signal (SIGDLK, fatal_error_signal); | |
831 | #endif | |
832 | #ifdef SIGCPULIM | |
833 | signal (SIGCPULIM, fatal_error_signal); | |
834 | #endif | |
a90538cb JB |
835 | #ifdef SIGIOT |
836 | /* This is missing on some systems - OS/2, for example. */ | |
f927c5ae | 837 | signal (SIGIOT, fatal_error_signal); |
a90538cb | 838 | #endif |
f927c5ae JB |
839 | #ifdef SIGEMT |
840 | signal (SIGEMT, fatal_error_signal); | |
841 | #endif | |
842 | signal (SIGFPE, fatal_error_signal); | |
00eaaa32 | 843 | #ifdef SIGBUS |
f927c5ae | 844 | signal (SIGBUS, fatal_error_signal); |
00eaaa32 | 845 | #endif |
f927c5ae | 846 | signal (SIGSEGV, fatal_error_signal); |
00eaaa32 | 847 | #ifdef SIGSYS |
f927c5ae | 848 | signal (SIGSYS, fatal_error_signal); |
00eaaa32 | 849 | #endif |
f927c5ae JB |
850 | signal (SIGTERM, fatal_error_signal); |
851 | #ifdef SIGXCPU | |
852 | signal (SIGXCPU, fatal_error_signal); | |
853 | #endif | |
854 | #ifdef SIGXFSZ | |
855 | signal (SIGXFSZ, fatal_error_signal); | |
856 | #endif /* SIGXFSZ */ | |
857 | ||
271c7b7c RS |
858 | #ifdef SIGDANGER |
859 | /* This just means available memory is getting low. */ | |
860 | signal (SIGDANGER, memory_warning_signal); | |
861 | #endif | |
862 | ||
f927c5ae | 863 | #ifdef AIX |
56e034fa RS |
864 | /* 20 is SIGCHLD, 21 is SIGTTIN, 22 is SIGTTOU. */ |
865 | signal (SIGXCPU, fatal_error_signal); | |
0aef8561 | 866 | #ifndef _I386 |
f927c5ae | 867 | signal (SIGIOINT, fatal_error_signal); |
0aef8561 | 868 | #endif |
f927c5ae JB |
869 | signal (SIGGRANT, fatal_error_signal); |
870 | signal (SIGRETRACT, fatal_error_signal); | |
871 | signal (SIGSOUND, fatal_error_signal); | |
872 | signal (SIGMSG, fatal_error_signal); | |
873 | #endif /* AIX */ | |
874 | } | |
875 | ||
876 | noninteractive1 = noninteractive; | |
877 | ||
878 | /* Perform basic initializations (not merely interning symbols) */ | |
879 | ||
880 | if (!initialized) | |
881 | { | |
882 | init_alloc_once (); | |
883 | init_obarray (); | |
884 | init_eval_once (); | |
270ce821 KH |
885 | init_charset_once (); |
886 | init_coding_once (); | |
f927c5ae | 887 | init_syntax_once (); /* Create standard syntax table. */ |
270ce821 | 888 | init_category_once (); /* Create standard category table. */ |
f927c5ae JB |
889 | /* Must be done before init_buffer */ |
890 | init_casetab_once (); | |
891 | init_buffer_once (); /* Create buffer table and some buffers */ | |
892 | init_minibuf_once (); /* Create list of minibuffers */ | |
893 | /* Must precede init_window_once */ | |
894 | init_window_once (); /* Init the window system */ | |
895 | } | |
896 | ||
897 | init_alloc (); | |
f927c5ae JB |
898 | init_eval (); |
899 | init_data (); | |
7074fde6 | 900 | running_asynch_code = 0; |
0e956009 | 901 | |
29b89fe0 RS |
902 | #ifdef MSDOS |
903 | /* Call early 'cause init_environment needs it. */ | |
904 | init_dosfns (); | |
905 | /* Set defaults for several environment variables. */ | |
18198bb2 RS |
906 | if (initialized) |
907 | init_environment (argc, argv, skip_args); | |
908 | else | |
d1fc6752 | 909 | tzset (); |
18198bb2 | 910 | #endif /* MSDOS */ |
29b89fe0 | 911 | |
8ba50e1a GV |
912 | #ifdef WINDOWSNT |
913 | /* Initialize environment from registry settings. */ | |
914 | init_environment (); | |
41f339d4 | 915 | init_ntproc (); /* must precede init_editfns */ |
8ba50e1a GV |
916 | #endif |
917 | ||
0e956009 JB |
918 | /* egetenv is a pretty low-level facility, which may get called in |
919 | many circumstances; it seems flimsy to put off initializing it | |
920 | until calling init_callproc. */ | |
921 | set_process_environment (); | |
93aed04d RS |
922 | /* AIX crashes are reported in system versions 3.2.3 and 3.2.4 |
923 | if this is not done. Do it after set_process_environment so that we | |
924 | don't pollute Vprocess_environment. */ | |
925 | #ifdef AIX | |
926 | putenv ("LANG=C"); | |
927 | #endif | |
0e956009 | 928 | |
ace40a69 RS |
929 | init_buffer (); /* Init default directory of main buffer */ |
930 | ||
7928f0b5 | 931 | init_callproc_1 (); /* Must precede init_cmdargs and init_sys_modes. */ |
ace40a69 | 932 | init_cmdargs (argc, argv, skip_args); /* Must precede init_lread. */ |
380e25b8 RS |
933 | |
934 | if (initialized) | |
935 | { | |
936 | /* Erase any pre-dump messages in the message log, to avoid confusion */ | |
937 | Lisp_Object old_log_max; | |
938 | old_log_max = Vmessage_log_max; | |
939 | XSETFASTINT (Vmessage_log_max, 0); | |
940 | message_dolog ("", 0, 1); | |
941 | Vmessage_log_max = old_log_max; | |
942 | } | |
943 | ||
7928f0b5 | 944 | init_callproc (); /* Must follow init_cmdargs but not init_sys_modes. */ |
fb8e9847 | 945 | init_lread (); |
f927c5ae | 946 | |
f927c5ae JB |
947 | if (!noninteractive) |
948 | { | |
949 | #ifdef VMS | |
1cbd5d9d | 950 | init_vms_input ();/* init_display calls get_frame_size, that needs this */ |
f927c5ae JB |
951 | #endif /* VMS */ |
952 | init_display (); /* Determine terminal type. init_sys_modes uses results */ | |
953 | } | |
954 | init_keyboard (); /* This too must precede init_sys_modes */ | |
f927c5ae JB |
955 | #ifdef VMS |
956 | init_vmsproc (); /* And this too. */ | |
957 | #endif /* VMS */ | |
958 | init_sys_modes (); /* Init system terminal modes (RAW or CBREAK, etc.) */ | |
959 | init_xdisp (); | |
960 | init_macros (); | |
961 | init_editfns (); | |
962 | #ifdef LISP_FLOAT_TYPE | |
963 | init_floatfns (); | |
964 | #endif | |
965 | #ifdef VMS | |
966 | init_vmsfns (); | |
967 | #endif /* VMS */ | |
f927c5ae | 968 | init_process (); |
f927c5ae JB |
969 | |
970 | /* Intern the names of all standard functions and variables; define standard keys */ | |
971 | ||
972 | if (!initialized) | |
973 | { | |
974 | /* The basic levels of Lisp must come first */ | |
975 | /* And data must come first of all | |
976 | for the sake of symbols like error-message */ | |
977 | syms_of_data (); | |
978 | syms_of_alloc (); | |
fb8e9847 | 979 | syms_of_lread (); |
f927c5ae JB |
980 | syms_of_print (); |
981 | syms_of_eval (); | |
982 | syms_of_fns (); | |
f927c5ae | 983 | syms_of_floatfns (); |
f927c5ae JB |
984 | |
985 | syms_of_abbrev (); | |
986 | syms_of_buffer (); | |
987 | syms_of_bytecode (); | |
988 | syms_of_callint (); | |
989 | syms_of_casefiddle (); | |
990 | syms_of_casetab (); | |
991 | syms_of_callproc (); | |
270ce821 KH |
992 | syms_of_category (); |
993 | syms_of_ccl (); | |
994 | syms_of_charset (); | |
f927c5ae JB |
995 | syms_of_cmds (); |
996 | #ifndef NO_DIR_LIBRARY | |
997 | syms_of_dired (); | |
998 | #endif /* not NO_DIR_LIBRARY */ | |
999 | syms_of_display (); | |
1000 | syms_of_doc (); | |
1001 | syms_of_editfns (); | |
1002 | syms_of_emacs (); | |
1003 | syms_of_fileio (); | |
270ce821 | 1004 | syms_of_coding (); /* This should be after syms_of_fileio. */ |
f927c5ae JB |
1005 | #ifdef CLASH_DETECTION |
1006 | syms_of_filelock (); | |
1007 | #endif /* CLASH_DETECTION */ | |
1008 | syms_of_indent (); | |
c2c5ed2c | 1009 | syms_of_insdel (); |
f927c5ae JB |
1010 | syms_of_keyboard (); |
1011 | syms_of_keymap (); | |
1012 | syms_of_macros (); | |
1013 | syms_of_marker (); | |
1014 | syms_of_minibuf (); | |
1015 | syms_of_mocklisp (); | |
f927c5ae | 1016 | syms_of_process (); |
f927c5ae | 1017 | syms_of_search (); |
1cbd5d9d | 1018 | syms_of_frame (); |
f927c5ae | 1019 | syms_of_syntax (); |
0d934e7b | 1020 | syms_of_term (); |
f927c5ae | 1021 | syms_of_undo (); |
bef79ee4 JA |
1022 | |
1023 | /* Only defined if Emacs is compiled with USE_TEXT_PROPERTIES */ | |
1024 | syms_of_textprop (); | |
f927c5ae JB |
1025 | #ifdef VMS |
1026 | syms_of_vmsproc (); | |
1027 | #endif /* VMS */ | |
05687c54 RS |
1028 | #ifdef WINDOWSNT |
1029 | syms_of_ntproc (); | |
1030 | #endif /* WINDOWSNT */ | |
f927c5ae JB |
1031 | syms_of_window (); |
1032 | syms_of_xdisp (); | |
1033 | #ifdef HAVE_X_WINDOWS | |
72412588 | 1034 | syms_of_xterm (); |
f927c5ae | 1035 | syms_of_xfns (); |
270ce821 | 1036 | syms_of_fontset (); |
72412588 JB |
1037 | #ifdef HAVE_X11 |
1038 | syms_of_xselect (); | |
1039 | #endif | |
f927c5ae JB |
1040 | #endif /* HAVE_X_WINDOWS */ |
1041 | ||
1e9c210b | 1042 | #ifndef HAVE_NTGUI |
dcdcce1a | 1043 | syms_of_xfaces (); |
6c850f3c | 1044 | syms_of_xmenu (); |
1e9c210b | 1045 | #endif |
6c850f3c | 1046 | |
8ba50e1a | 1047 | #ifdef HAVE_NTGUI |
fbd6baed GV |
1048 | syms_of_w32term (); |
1049 | syms_of_w32fns (); | |
1050 | syms_of_w32faces (); | |
1051 | syms_of_w32select (); | |
1052 | syms_of_w32menu (); | |
8ba50e1a GV |
1053 | #endif /* HAVE_NTGUI */ |
1054 | ||
f927c5ae JB |
1055 | #ifdef SYMS_SYSTEM |
1056 | SYMS_SYSTEM; | |
1057 | #endif | |
1058 | ||
1059 | #ifdef SYMS_MACHINE | |
1060 | SYMS_MACHINE; | |
1061 | #endif | |
1062 | ||
1063 | keys_of_casefiddle (); | |
1064 | keys_of_cmds (); | |
1065 | keys_of_buffer (); | |
1066 | keys_of_keyboard (); | |
1067 | keys_of_keymap (); | |
1068 | keys_of_macros (); | |
1069 | keys_of_minibuf (); | |
1070 | keys_of_window (); | |
5e67fbc2 | 1071 | keys_of_frame (); |
f927c5ae JB |
1072 | } |
1073 | ||
1074 | if (!initialized) | |
1075 | { | |
e2925360 | 1076 | char *file; |
f927c5ae | 1077 | /* Handle -l loadup-and-dump, args passed by Makefile. */ |
df6530f8 | 1078 | if (argmatch (argv, argc, "-l", "--load", 3, &file, &skip_args)) |
f927c5ae | 1079 | Vtop_level = Fcons (intern ("load"), |
e2925360 | 1080 | Fcons (build_string (file), Qnil)); |
f927c5ae JB |
1081 | #ifdef CANNOT_DUMP |
1082 | /* Unless next switch is -nl, load "loadup.el" first thing. */ | |
df6530f8 | 1083 | if (!argmatch (argv, argc, "-nl", "--no-loadup", 6, NULL, &skip_args)) |
f927c5ae JB |
1084 | Vtop_level = Fcons (intern ("load"), |
1085 | Fcons (build_string ("loadup.el"), Qnil)); | |
1086 | #endif /* CANNOT_DUMP */ | |
1087 | } | |
1088 | ||
93572b43 KH |
1089 | if (initialized) |
1090 | { | |
0269dedb RS |
1091 | #ifdef HAVE_TZSET |
1092 | { | |
1093 | /* If the execution TZ happens to be the same as the dump TZ, | |
1094 | change it to some other value and then change it back, | |
1095 | to force the underlying implementation to reload the TZ info. | |
1096 | This is needed on implementations that load TZ info from files, | |
1097 | since the TZ file contents may differ between dump and execution. */ | |
1098 | char *tz = getenv ("TZ"); | |
1099 | if (tz && !strcmp (tz, dump_tz)) | |
1100 | { | |
1101 | ++*tz; | |
1102 | tzset (); | |
1103 | --*tz; | |
1104 | } | |
1105 | } | |
1106 | #endif | |
93572b43 KH |
1107 | } |
1108 | ||
e610ea43 RS |
1109 | /* Gerd Moellmann <gerd@acm.org> says this makes profiling work on |
1110 | FreeBSD. It might work on some other systems too. | |
1111 | Give it a try and tell me if it works on your system. */ | |
1112 | #ifdef __FreeBSD__ | |
1113 | #ifdef PROFILING | |
1114 | if (initialized) | |
1115 | { | |
1116 | extern void _mcleanup (); | |
1117 | extern char etext; | |
b063fa35 | 1118 | extern Lisp_Object Fredraw_frame (); |
e610ea43 | 1119 | atexit (_mcleanup); |
8b64df46 RS |
1120 | /* This uses Fredraw_frame because that function |
1121 | comes first in the Emacs executable. | |
1122 | It might be better to use something that gives | |
1123 | the start of the text segment, but start_of_text | |
1124 | is not defined on all systems now. */ | |
b063fa35 | 1125 | monstartup (Fredraw_frame, &etext); |
e610ea43 RS |
1126 | } |
1127 | else | |
1128 | moncontrol (0); | |
1129 | #endif | |
1130 | #endif | |
1131 | ||
f927c5ae JB |
1132 | initialized = 1; |
1133 | ||
e7536cff RS |
1134 | #ifdef LOCALTIME_CACHE |
1135 | /* Some versions of localtime have a bug. They cache the value of the time | |
279cc2b8 JB |
1136 | zone rather than looking it up every time. Since localtime() is |
1137 | called to bolt the undumping time into the undumped emacs, this | |
afe9fae9 RS |
1138 | results in localtime ignoring the TZ environment variable. |
1139 | This flushes the new TZ value into localtime. */ | |
1140 | tzset (); | |
e7536cff | 1141 | #endif /* defined (LOCALTIME_CACHE) */ |
279cc2b8 | 1142 | |
f927c5ae JB |
1143 | /* Enter editor command loop. This never returns. */ |
1144 | Frecursive_edit (); | |
1145 | /* NOTREACHED */ | |
1146 | } | |
1147 | \f | |
081bef73 RS |
1148 | /* Sort the args so we can find the most important ones |
1149 | at the beginning of argv. */ | |
1150 | ||
1151 | /* First, here's a table of all the standard options. */ | |
1152 | ||
1153 | struct standard_args | |
1154 | { | |
1155 | char *name; | |
1156 | char *longname; | |
1157 | int priority; | |
1158 | int nargs; | |
1159 | }; | |
1160 | ||
1161 | struct standard_args standard_args[] = | |
1162 | { | |
221cbd7d RS |
1163 | { "-version", "--version", 110, 0 }, |
1164 | { "-help", "--help", 110, 0 }, | |
081bef73 | 1165 | { "-nl", "--no-shared-memory", 100, 0 }, |
2725719a | 1166 | #ifdef VMS |
081bef73 | 1167 | { "-map", "--map-data", 100, 0 }, |
2725719a | 1168 | #endif |
081bef73 RS |
1169 | { "-t", "--terminal", 90, 1 }, |
1170 | { "-d", "--display", 80, 1 }, | |
1171 | { "-display", 0, 80, 1 }, | |
1172 | { "-nw", "--no-windows", 70, 0 }, | |
1173 | { "-batch", "--batch", 60, 0 }, | |
1174 | { "-q", "--no-init-file", 50, 0 }, | |
1175 | { "-no-init-file", 0, 50, 0 }, | |
1176 | { "-no-site-file", "--no-site-file", 40, 0 }, | |
1177 | { "-u", "--user", 30, 1 }, | |
1178 | { "-user", 0, 30, 1 }, | |
1179 | { "-debug-init", "--debug-init", 20, 0 }, | |
adab4483 KH |
1180 | { "-i", "--icon-type", 15, 0 }, |
1181 | { "-itype", 0, 15, 0 }, | |
f2bc3538 | 1182 | { "-iconic", "--iconic", 15, 0 }, |
081bef73 RS |
1183 | { "-bg", "--background-color", 10, 1 }, |
1184 | { "-background", 0, 10, 1 }, | |
1185 | { "-fg", "--foreground-color", 10, 1 }, | |
1186 | { "-foreground", 0, 10, 1 }, | |
1187 | { "-bd", "--border-color", 10, 1 }, | |
1188 | { "-bw", "--border-width", 10, 1 }, | |
1189 | { "-ib", "--internal-border", 10, 1 }, | |
1190 | { "-ms", "--mouse-color", 10, 1 }, | |
1191 | { "-cr", "--cursor-color", 10, 1 }, | |
1192 | { "-fn", "--font", 10, 1 }, | |
1193 | { "-font", 0, 10, 1 }, | |
1194 | { "-g", "--geometry", 10, 1 }, | |
1195 | { "-geometry", 0, 10, 1 }, | |
1196 | { "-T", "--title", 10, 1 }, | |
ae63ae52 | 1197 | { "-title", 0, 10, 1 }, |
081bef73 RS |
1198 | { "-name", "--name", 10, 1 }, |
1199 | { "-xrm", "--xrm", 10, 1 }, | |
fcdeb5d9 RS |
1200 | { "-r", "--reverse-video", 5, 0 }, |
1201 | { "-rv", 0, 5, 0 }, | |
1202 | { "-reverse", 0, 5, 0 }, | |
ae63ae52 | 1203 | { "-hb", "--horizontal-scroll-bars", 5, 0 }, |
fcdeb5d9 | 1204 | { "-vb", "--vertical-scroll-bars", 5, 0 }, |
fcdeb5d9 RS |
1205 | /* These have the same priority as ordinary file name args, |
1206 | so they are not reordered with respect to those. */ | |
4af9e0b3 RS |
1207 | { "-L", "--directory", 0, 1 }, |
1208 | { "-directory", 0, 0, 1 }, | |
fcdeb5d9 RS |
1209 | { "-l", "--load", 0, 1 }, |
1210 | { "-load", 0, 0, 1 }, | |
1211 | { "-f", "--funcall", 0, 1 }, | |
1212 | { "-funcall", 0, 0, 1 }, | |
575985b1 | 1213 | { "-eval", "--eval", 0, 1 }, |
2e13f8e9 RS |
1214 | { "-find-file", "--find-file", 0, 1 }, |
1215 | { "-visit", "--visit", 0, 1 }, | |
fcdeb5d9 | 1216 | { "-insert", "--insert", 0, 1 }, |
f2bc3538 | 1217 | /* This should be processed after ordinary file name args and the like. */ |
fcdeb5d9 | 1218 | { "-kill", "--kill", -10, 0 }, |
081bef73 RS |
1219 | }; |
1220 | ||
1221 | /* Reorder the elements of ARGV (assumed to have ARGC elements) | |
1222 | so that the highest priority ones come first. | |
1223 | Do not change the order of elements of equal priority. | |
1224 | If an option takes an argument, keep it and its argument together. */ | |
1225 | ||
1226 | static void | |
1227 | sort_args (argc, argv) | |
1228 | int argc; | |
1229 | char **argv; | |
1230 | { | |
1231 | char **new = (char **) xmalloc (sizeof (char *) * argc); | |
1232 | /* For each element of argv, | |
1233 | the corresponding element of options is: | |
1234 | 0 for an option that takes no arguments, | |
1235 | 1 for an option that takes one argument, etc. | |
1236 | -1 for an ordinary non-option argument. */ | |
6dad9359 | 1237 | int *options = (int *) xmalloc (sizeof (int) * argc); |
081bef73 RS |
1238 | int *priority = (int *) xmalloc (sizeof (int) * argc); |
1239 | int to = 1; | |
1240 | int from; | |
1241 | int i; | |
c96f26f4 | 1242 | int end_of_options = argc; |
081bef73 RS |
1243 | |
1244 | /* Categorize all the options, | |
1245 | and figure out which argv elts are option arguments. */ | |
1246 | for (from = 1; from < argc; from++) | |
1247 | { | |
1248 | options[from] = -1; | |
fcdeb5d9 | 1249 | priority[from] = 0; |
081bef73 RS |
1250 | if (argv[from][0] == '-') |
1251 | { | |
1252 | int match, thislen; | |
1253 | char *equals; | |
1254 | ||
c96f26f4 RS |
1255 | /* If we have found "--", don't consider |
1256 | any more arguments as options. */ | |
249443b6 | 1257 | if (argv[from][1] == '-' && argv[from][2] == 0) |
c96f26f4 RS |
1258 | { |
1259 | /* Leave the "--", and everything following it, at the end. */ | |
1260 | for (; from < argc; from++) | |
1261 | { | |
1262 | priority[from] = -100; | |
1263 | options[from] = -1; | |
1264 | } | |
1265 | break; | |
1266 | } | |
1267 | ||
081bef73 RS |
1268 | /* Look for a match with a known old-fashioned option. */ |
1269 | for (i = 0; i < sizeof (standard_args) / sizeof (standard_args[0]); i++) | |
1270 | if (!strcmp (argv[from], standard_args[i].name)) | |
1271 | { | |
1272 | options[from] = standard_args[i].nargs; | |
1273 | priority[from] = standard_args[i].priority; | |
fd76ec52 RS |
1274 | if (from + standard_args[i].nargs >= argc) |
1275 | fatal ("Option `%s' requires an argument\n", argv[from]); | |
081bef73 RS |
1276 | from += standard_args[i].nargs; |
1277 | goto done; | |
1278 | } | |
1279 | ||
1280 | /* Look for a match with a known long option. | |
1281 | MATCH is -1 if no match so far, -2 if two or more matches so far, | |
1282 | >= 0 (the table index of the match) if just one match so far. */ | |
1283 | if (argv[from][1] == '-') | |
1284 | { | |
1285 | match = -1; | |
1286 | thislen = strlen (argv[from]); | |
1287 | equals = index (argv[from], '='); | |
1288 | if (equals != 0) | |
1289 | thislen = equals - argv[from]; | |
1290 | ||
f609ef57 KH |
1291 | for (i = 0; |
1292 | i < sizeof (standard_args) / sizeof (standard_args[0]); i++) | |
1293 | if (standard_args[i].longname | |
1294 | && !strncmp (argv[from], standard_args[i].longname, | |
1295 | thislen)) | |
081bef73 RS |
1296 | { |
1297 | if (match == -1) | |
1298 | match = i; | |
1299 | else | |
1300 | match = -2; | |
1301 | } | |
1302 | ||
1303 | /* If we found exactly one match, use that. */ | |
1304 | if (match >= 0) | |
1305 | { | |
1306 | options[from] = standard_args[match].nargs; | |
1307 | priority[from] = standard_args[match].priority; | |
1308 | /* If --OPTION=VALUE syntax is used, | |
1309 | this option uses just one argv element. */ | |
1310 | if (equals != 0) | |
1311 | options[from] = 0; | |
fd76ec52 RS |
1312 | if (from + options[from] >= argc) |
1313 | fatal ("Option `%s' requires an argument\n", argv[from]); | |
081bef73 RS |
1314 | from += options[from]; |
1315 | } | |
1316 | } | |
1317 | done: ; | |
1318 | } | |
1319 | } | |
1320 | ||
1321 | /* Copy the arguments, in order of decreasing priority, to NEW. */ | |
1322 | new[0] = argv[0]; | |
1323 | while (to < argc) | |
1324 | { | |
1325 | int best = -1; | |
2c70c992 | 1326 | int best_priority = -9999; |
081bef73 RS |
1327 | |
1328 | /* Find the highest priority remaining option. | |
1329 | If several have equal priority, take the first of them. */ | |
1330 | for (from = 1; from < argc; from++) | |
1331 | { | |
1332 | if (argv[from] != 0 && priority[from] > best_priority) | |
1333 | { | |
1334 | best_priority = priority[from]; | |
1335 | best = from; | |
1336 | } | |
1337 | /* Skip option arguments--they are tied to the options. */ | |
1338 | if (options[from] > 0) | |
1339 | from += options[from]; | |
1340 | } | |
1341 | ||
1342 | if (best < 0) | |
1343 | abort (); | |
1344 | ||
1345 | /* Copy the highest priority remaining option, with its args, to NEW. */ | |
1346 | new[to++] = argv[best]; | |
1347 | for (i = 0; i < options[best]; i++) | |
1348 | new[to++] = argv[best + i + 1]; | |
1349 | ||
1350 | /* Clear out this option in ARGV. */ | |
1351 | argv[best] = 0; | |
1352 | for (i = 0; i < options[best]; i++) | |
1353 | argv[best + i + 1] = 0; | |
1354 | } | |
1355 | ||
6dad9359 | 1356 | bcopy (new, argv, sizeof (char *) * argc); |
0bf591da RS |
1357 | |
1358 | free (options); | |
1359 | free (new); | |
1360 | free (priority); | |
081bef73 RS |
1361 | } |
1362 | \f | |
f927c5ae | 1363 | DEFUN ("kill-emacs", Fkill_emacs, Skill_emacs, 0, 1, "P", |
edc8ae07 | 1364 | "Exit the Emacs job and kill it.\n\ |
f927c5ae JB |
1365 | If ARG is an integer, return ARG as the exit program code.\n\ |
1366 | If ARG is a string, stuff it as keyboard input.\n\n\ | |
1367 | The value of `kill-emacs-hook', if not void,\n\ | |
1368 | is a list of functions (of no args),\n\ | |
1369 | all of which are called before Emacs is actually killed.") | |
1370 | (arg) | |
1371 | Lisp_Object arg; | |
1372 | { | |
1373 | Lisp_Object hook, hook1; | |
1374 | int i; | |
1375 | struct gcpro gcpro1; | |
1376 | ||
1377 | GCPRO1 (arg); | |
1378 | ||
1379 | if (feof (stdin)) | |
1380 | arg = Qt; | |
1381 | ||
2447c626 | 1382 | if (!NILP (Vrun_hooks) && !noninteractive) |
f927c5ae JB |
1383 | call1 (Vrun_hooks, intern ("kill-emacs-hook")); |
1384 | ||
f927c5ae JB |
1385 | UNGCPRO; |
1386 | ||
1387 | /* Is it really necessary to do this deassign | |
1388 | when we are going to exit anyway? */ | |
1389 | /* #ifdef VMS | |
1390 | stop_vms_input (); | |
1391 | #endif */ | |
40be253a | 1392 | |
d0068e25 | 1393 | shut_down_emacs (0, 0, STRINGP (arg) ? arg : Qnil); |
40be253a | 1394 | |
58545838 KH |
1395 | /* If we have an auto-save list file, |
1396 | kill it because we are exiting Emacs deliberately (not crashing). | |
1397 | Do it after shut_down_emacs, which does an auto-save. */ | |
1398 | if (STRINGP (Vauto_save_list_file_name)) | |
1399 | unlink (XSTRING (Vauto_save_list_file_name)->data); | |
1400 | ||
55ccc0b3 | 1401 | exit (INTEGERP (arg) ? XINT (arg) |
f927c5ae JB |
1402 | #ifdef VMS |
1403 | : 1 | |
1404 | #else | |
1405 | : 0 | |
1406 | #endif | |
1407 | ); | |
1408 | /* NOTREACHED */ | |
1409 | } | |
40be253a JB |
1410 | |
1411 | ||
1412 | /* Perform an orderly shutdown of Emacs. Autosave any modified | |
1413 | buffers, kill any child processes, clean up the terminal modes (if | |
1414 | we're in the foreground), and other stuff like that. Don't perform | |
1415 | any redisplay; this may be called when Emacs is shutting down in | |
1416 | the background, or after its X connection has died. | |
1417 | ||
1418 | If SIG is a signal number, print a message for it. | |
1419 | ||
1420 | This is called by fatal signal handlers, X protocol error handlers, | |
1421 | and Fkill_emacs. */ | |
f7ab4e3d | 1422 | |
40be253a | 1423 | void |
f7ab4e3d | 1424 | shut_down_emacs (sig, no_x, stuff) |
41423a80 | 1425 | int sig, no_x; |
f7ab4e3d | 1426 | Lisp_Object stuff; |
40be253a | 1427 | { |
829d872b RS |
1428 | /* Prevent running of hooks from now on. */ |
1429 | Vrun_hooks = Qnil; | |
1430 | ||
40be253a JB |
1431 | /* If we are controlling the terminal, reset terminal modes */ |
1432 | #ifdef EMACS_HAVE_TTY_PGRP | |
1433 | { | |
d04d81d2 RS |
1434 | int pgrp = EMACS_GETPGRP (0); |
1435 | ||
40be253a JB |
1436 | int tpgrp; |
1437 | if (EMACS_GET_TTY_PGRP (0, &tpgrp) != -1 | |
5a570e37 | 1438 | && tpgrp == pgrp) |
40be253a JB |
1439 | { |
1440 | fflush (stdout); | |
1441 | reset_sys_modes (); | |
1442 | if (sig && sig != SIGTERM) | |
1443 | fprintf (stderr, "Fatal error (%d).", sig); | |
1444 | } | |
1445 | } | |
1446 | #else | |
1447 | fflush (stdout); | |
1448 | reset_sys_modes (); | |
1449 | #endif | |
1450 | ||
f7ab4e3d RS |
1451 | stuff_buffered_input (stuff); |
1452 | ||
40be253a JB |
1453 | kill_buffer_processes (Qnil); |
1454 | Fdo_auto_save (Qt, Qnil); | |
1455 | ||
1456 | #ifdef CLASH_DETECTION | |
1457 | unlock_all_files (); | |
1458 | #endif | |
1459 | ||
1460 | #ifdef VMS | |
1461 | kill_vms_processes (); | |
1462 | #endif | |
1463 | ||
5e7f8733 | 1464 | #if 0 /* This triggers a bug in XCloseDisplay and is not needed. */ |
41423a80 | 1465 | #ifdef HAVE_X_WINDOWS |
f7511647 RS |
1466 | /* It's not safe to call intern here. Maybe we are crashing. */ |
1467 | if (!noninteractive && SYMBOLP (Vwindow_system) | |
1468 | && XSYMBOL (Vwindow_system)->name->size == 1 | |
1469 | && XSYMBOL (Vwindow_system)->name->data[0] == 'x' | |
1470 | && ! no_x) | |
41423a80 RS |
1471 | Fx_close_current_connection (); |
1472 | #endif /* HAVE_X_WINDOWS */ | |
5e7f8733 | 1473 | #endif |
41423a80 | 1474 | |
40be253a JB |
1475 | #ifdef SIGIO |
1476 | /* There is a tendency for a SIGIO signal to arrive within exit, | |
1477 | and cause a SIGHUP because the input descriptor is already closed. */ | |
1478 | unrequest_sigio (); | |
1479 | signal (SIGIO, SIG_IGN); | |
1480 | #endif | |
41f339d4 RS |
1481 | |
1482 | #ifdef WINDOWSNT | |
1483 | term_ntproc (); | |
1484 | #endif | |
40be253a JB |
1485 | } |
1486 | ||
1487 | ||
f927c5ae JB |
1488 | \f |
1489 | #ifndef CANNOT_DUMP | |
f927c5ae JB |
1490 | |
1491 | #ifdef HAVE_SHM | |
1492 | ||
1493 | DEFUN ("dump-emacs-data", Fdump_emacs_data, Sdump_emacs_data, 1, 1, 0, | |
1494 | "Dump current state of Emacs into data file FILENAME.\n\ | |
1495 | This function exists on systems that use HAVE_SHM.") | |
c9aae259 EN |
1496 | (filename) |
1497 | Lisp_Object filename; | |
f927c5ae | 1498 | { |
55697f5b | 1499 | extern char my_edata[]; |
f927c5ae | 1500 | Lisp_Object tem; |
f927c5ae | 1501 | |
c9aae259 EN |
1502 | CHECK_STRING (filename, 0); |
1503 | filename = Fexpand_file_name (filename, Qnil); | |
f927c5ae JB |
1504 | |
1505 | tem = Vpurify_flag; | |
1506 | Vpurify_flag = Qnil; | |
1507 | ||
1508 | fflush (stdout); | |
1509 | /* Tell malloc where start of impure now is */ | |
1510 | /* Also arrange for warnings when nearly out of space. */ | |
1511 | #ifndef SYSTEM_MALLOC | |
1090a161 | 1512 | memory_warnings (my_edata, malloc_warning); |
f927c5ae | 1513 | #endif |
c9aae259 | 1514 | map_out_data (XSTRING (filename)->data); |
f927c5ae JB |
1515 | |
1516 | Vpurify_flag = tem; | |
1517 | ||
1518 | return Qnil; | |
1519 | } | |
1520 | ||
1521 | #else /* not HAVE_SHM */ | |
1522 | ||
1523 | DEFUN ("dump-emacs", Fdump_emacs, Sdump_emacs, 2, 2, 0, | |
1524 | "Dump current state of Emacs into executable file FILENAME.\n\ | |
1525 | Take symbols from SYMFILE (presumably the file you executed to run Emacs).\n\ | |
1526 | This is used in the file `loadup.el' when building Emacs.\n\ | |
1527 | \n\ | |
87a98b1a | 1528 | You must run Emacs in batch mode in order to dump it.") |
c9aae259 EN |
1529 | (filename, symfile) |
1530 | Lisp_Object filename, symfile; | |
f927c5ae | 1531 | { |
55697f5b | 1532 | extern char my_edata[]; |
f927c5ae | 1533 | Lisp_Object tem; |
1b7ddf4f RS |
1534 | Lisp_Object symbol; |
1535 | int count = specpdl_ptr - specpdl; | |
f927c5ae | 1536 | |
87a98b1a RS |
1537 | if (! noninteractive) |
1538 | error ("Dumping Emacs works only in batch mode"); | |
1539 | ||
1b7ddf4f RS |
1540 | /* Bind `command-line-processed' to nil before dumping, |
1541 | so that the dumped Emacs will process its command line | |
1542 | and set up to work with X windows if appropriate. */ | |
1543 | symbol = intern ("command-line-process"); | |
1544 | specbind (symbol, Qnil); | |
1545 | ||
c9aae259 EN |
1546 | CHECK_STRING (filename, 0); |
1547 | filename = Fexpand_file_name (filename, Qnil); | |
1548 | if (!NILP (symfile)) | |
f927c5ae | 1549 | { |
c9aae259 EN |
1550 | CHECK_STRING (symfile, 0); |
1551 | if (XSTRING (symfile)->size) | |
1552 | symfile = Fexpand_file_name (symfile, Qnil); | |
f927c5ae JB |
1553 | } |
1554 | ||
1555 | tem = Vpurify_flag; | |
1556 | Vpurify_flag = Qnil; | |
1557 | ||
0269dedb RS |
1558 | #ifdef HAVE_TZSET |
1559 | set_time_zone_rule (dump_tz); | |
1560 | #ifndef LOCALTIME_CACHE | |
1561 | /* Force a tz reload, since set_time_zone_rule doesn't. */ | |
1562 | tzset (); | |
1563 | #endif | |
1564 | #endif | |
1565 | ||
f927c5ae JB |
1566 | fflush (stdout); |
1567 | #ifdef VMS | |
c9aae259 | 1568 | mapout_data (XSTRING (filename)->data); |
f927c5ae JB |
1569 | #else |
1570 | /* Tell malloc where start of impure now is */ | |
1571 | /* Also arrange for warnings when nearly out of space. */ | |
1572 | #ifndef SYSTEM_MALLOC | |
cc5f52cb RS |
1573 | #ifndef WINDOWSNT |
1574 | /* On Windows, this was done before dumping, and that once suffices. | |
1575 | Meanwhile, my_edata is not valid on Windows. */ | |
cb37cf78 | 1576 | memory_warnings (my_edata, malloc_warning); |
cc5f52cb | 1577 | #endif /* not WINDOWSNT */ |
15aaf1b5 RS |
1578 | #endif |
1579 | #ifdef DOUG_LEA_MALLOC | |
1580 | malloc_state_ptr = malloc_get_state (); | |
f927c5ae | 1581 | #endif |
c9aae259 EN |
1582 | unexec (XSTRING (filename)->data, |
1583 | !NILP (symfile) ? XSTRING (symfile)->data : 0, my_edata, 0, 0); | |
15aaf1b5 RS |
1584 | #ifdef DOUG_LEA_MALLOC |
1585 | free (malloc_state_ptr); | |
1586 | #endif | |
f927c5ae JB |
1587 | #endif /* not VMS */ |
1588 | ||
1589 | Vpurify_flag = tem; | |
1590 | ||
1b7ddf4f | 1591 | return unbind_to (count, Qnil); |
f927c5ae JB |
1592 | } |
1593 | ||
1594 | #endif /* not HAVE_SHM */ | |
1595 | ||
1596 | #endif /* not CANNOT_DUMP */ | |
1597 | \f | |
4b163808 | 1598 | #ifndef SEPCHAR |
f927c5ae JB |
1599 | #define SEPCHAR ':' |
1600 | #endif | |
1601 | ||
1602 | Lisp_Object | |
1603 | decode_env_path (evarname, defalt) | |
1604 | char *evarname, *defalt; | |
1605 | { | |
1606 | register char *path, *p; | |
213d0b1f | 1607 | Lisp_Object lpath, element, tem; |
f927c5ae | 1608 | |
2447c626 JB |
1609 | /* It's okay to use getenv here, because this function is only used |
1610 | to initialize variables when Emacs starts up, and isn't called | |
1611 | after that. */ | |
e065a56e JB |
1612 | if (evarname != 0) |
1613 | path = (char *) getenv (evarname); | |
1614 | else | |
1615 | path = 0; | |
f927c5ae JB |
1616 | if (!path) |
1617 | path = defalt; | |
6a30e6d6 RS |
1618 | #ifdef DOS_NT |
1619 | /* Ensure values from the environment use the proper directory separator. */ | |
1620 | if (path) | |
1621 | { | |
1622 | p = alloca (strlen (path) + 1); | |
1623 | strcpy (p, path); | |
1624 | path = p; | |
1625 | ||
1626 | if ('/' == DIRECTORY_SEP) | |
1627 | dostounix_filename (path); | |
1628 | else | |
1629 | unixtodos_filename (path); | |
1630 | } | |
1631 | #endif | |
f927c5ae JB |
1632 | lpath = Qnil; |
1633 | while (1) | |
1634 | { | |
1635 | p = index (path, SEPCHAR); | |
1636 | if (!p) p = path + strlen (path); | |
213d0b1f RS |
1637 | element = (p - path ? make_string (path, p - path) |
1638 | : build_string (".")); | |
1639 | ||
1640 | /* Add /: to the front of the name | |
1641 | if it would otherwise be treated as magic. */ | |
1642 | tem = Ffind_file_name_handler (element, Qt); | |
1643 | if (! NILP (tem)) | |
1644 | element = concat2 (build_string ("/:"), element); | |
1645 | ||
1646 | lpath = Fcons (element, lpath); | |
f927c5ae JB |
1647 | if (*p) |
1648 | path = p + 1; | |
1649 | else | |
1650 | break; | |
1651 | } | |
1652 | return Fnreverse (lpath); | |
1653 | } | |
1654 | ||
1655 | syms_of_emacs () | |
1656 | { | |
213d0b1f RS |
1657 | Qfile_name_handler_alist = intern ("file-name-handler-alist"); |
1658 | staticpro (&Qfile_name_handler_alist); | |
1659 | ||
83591e66 | 1660 | #ifndef CANNOT_DUMP |
f927c5ae JB |
1661 | #ifdef HAVE_SHM |
1662 | defsubr (&Sdump_emacs_data); | |
1663 | #else | |
1664 | defsubr (&Sdump_emacs); | |
83591e66 | 1665 | #endif |
f927c5ae JB |
1666 | #endif |
1667 | ||
1668 | defsubr (&Skill_emacs); | |
1669 | ||
59653951 | 1670 | defsubr (&Sinvocation_name); |
ace40a69 | 1671 | defsubr (&Sinvocation_directory); |
59653951 | 1672 | |
f927c5ae JB |
1673 | DEFVAR_LISP ("command-line-args", &Vcommand_line_args, |
1674 | "Args passed by shell to Emacs, as a list of strings."); | |
1675 | ||
1676 | DEFVAR_LISP ("system-type", &Vsystem_type, | |
1677 | "Value is symbol indicating type of operating system you are using."); | |
1678 | Vsystem_type = intern (SYSTEM_TYPE); | |
1679 | ||
271c7b7c RS |
1680 | DEFVAR_LISP ("system-configuration", &Vsystem_configuration, |
1681 | "Value is string indicating configuration Emacs was built for."); | |
f7511647 | 1682 | Vsystem_configuration = build_string (EMACS_CONFIGURATION); |
271c7b7c | 1683 | |
f0fc0b1a KH |
1684 | DEFVAR_LISP ("system-configuration-options", &Vsystem_configuration_options, |
1685 | "String containing the configuration options Emacs was built with."); | |
1686 | Vsystem_configuration_options = build_string (EMACS_CONFIG_OPTIONS); | |
1687 | ||
f927c5ae JB |
1688 | DEFVAR_BOOL ("noninteractive", &noninteractive1, |
1689 | "Non-nil means Emacs is running without interactive terminal."); | |
e5d77022 | 1690 | |
e5d77022 | 1691 | DEFVAR_LISP ("kill-emacs-hook", &Vkill_emacs_hook, |
edc8ae07 JB |
1692 | "Hook to be run whenever kill-emacs is called.\n\ |
1693 | Since kill-emacs may be invoked when the terminal is disconnected (or\n\ | |
1694 | in other similar situations), functions placed on this hook should not\n\ | |
9f232a5d RS |
1695 | expect to be able to interact with the user. To ask for confirmation,\n\ |
1696 | see `kill-emacs-query-functions' instead."); | |
edc8ae07 | 1697 | Vkill_emacs_hook = Qnil; |
3005da00 RS |
1698 | |
1699 | DEFVAR_INT ("emacs-priority", &emacs_priority, | |
1700 | "Priority for Emacs to run at.\n\ | |
1701 | This value is effective only if set before Emacs is dumped,\n\ | |
1702 | and only if the Emacs executable is installed with setuid to permit\n\ | |
621ecf99 | 1703 | it to change priority. (Emacs sets its uid back to the real uid.)\n\ |
a422068f | 1704 | Currently, you need to define SET_EMACS_PRIORITY in `config.h'\n\ |
ce305b11 | 1705 | before you compile Emacs, to enable the code for this feature."); |
3005da00 | 1706 | emacs_priority = 0; |
59653951 | 1707 | |
f67de86f RS |
1708 | DEFVAR_LISP ("invocation-name", &Vinvocation_name, |
1709 | "The program name that was used to run Emacs.\n\ | |
1710 | Any directory names are omitted."); | |
1711 | ||
1712 | DEFVAR_LISP ("invocation-directory", &Vinvocation_directory, | |
1713 | "The directory in which the Emacs executable was found, to run it.\n\ | |
1714 | The value is nil if that directory's name is not known."); | |
1715 | ||
1716 | DEFVAR_LISP ("installation-directory", &Vinstallation_directory, | |
1717 | "A directory within which to look for the `lib-src' and `etc' directories.\n\ | |
1718 | This is non-nil when we can't find those directories in their standard\n\ | |
1719 | installed locations, but we can find them\n\ | |
1720 | near where the Emacs executable was found."); | |
07f4d123 | 1721 | Vinstallation_directory = Qnil; |
f927c5ae | 1722 | } |