Commit | Line | Data |
---|---|---|
f927c5ae | 1 | /* Fully extensible Emacs, running on Unix, intended for GNU. |
6c145d35 EZ |
2 | Copyright (C) 1985,86,87,93,94,95,97,98,1999,2001 |
3 | Free Software Foundation, Inc. | |
f927c5ae JB |
4 | |
5 | This file is part of GNU Emacs. | |
6 | ||
7 | GNU Emacs is free software; you can redistribute it and/or modify | |
8 | it under the terms of the GNU General Public License as published by | |
40be253a | 9 | the Free Software Foundation; either version 2, or (at your option) |
f927c5ae JB |
10 | any later version. |
11 | ||
12 | GNU Emacs is distributed in the hope that it will be useful, | |
13 | but WITHOUT ANY WARRANTY; without even the implied warranty of | |
14 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
15 | GNU General Public License for more details. | |
16 | ||
17 | You should have received a copy of the GNU General Public License | |
18 | along with GNU Emacs; see the file COPYING. If not, write to | |
5a7670bf RS |
19 | the Free Software Foundation, Inc., 59 Temple Place - Suite 330, |
20 | Boston, MA 02111-1307, USA. */ | |
f927c5ae JB |
21 | |
22 | ||
68c45bf0 | 23 | #include <config.h> |
f927c5ae JB |
24 | #include <signal.h> |
25 | #include <errno.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 | ||
cda4a5fd GM |
35 | #ifdef HAVE_UNISTD_H |
36 | #include <unistd.h> | |
37 | #endif | |
38 | ||
488b7cb3 | 39 | #ifdef BSD_SYSTEM |
f927c5ae JB |
40 | #include <sys/ioctl.h> |
41 | #endif | |
42 | ||
f927c5ae JB |
43 | #include "lisp.h" |
44 | #include "commands.h" | |
bef79ee4 | 45 | #include "intervals.h" |
a08a816a | 46 | #include "buffer.h" |
f927c5ae | 47 | |
edc8ae07 | 48 | #include "systty.h" |
6c3a4e9d | 49 | #include "blockinput.h" |
8090eb09 | 50 | #include "syssignal.h" |
6c362a8b | 51 | #include "process.h" |
5bda49c6 | 52 | #include "termhooks.h" |
dfcf069d | 53 | #include "keyboard.h" |
e35f6ff7 | 54 | #include "keymap.h" |
a41f8bed | 55 | |
68c45bf0 PE |
56 | #ifdef HAVE_SETLOCALE |
57 | #include <locale.h> | |
58 | #endif | |
59 | ||
53c58b5d RS |
60 | #ifdef HAVE_SETRLIMIT |
61 | #include <sys/time.h> | |
62 | #include <sys/resource.h> | |
63 | #endif | |
64 | ||
f927c5ae JB |
65 | #ifndef O_RDWR |
66 | #define O_RDWR 2 | |
67 | #endif | |
68 | ||
f95c3f91 | 69 | #ifdef HAVE_SETPGID |
2b7e8799 | 70 | #if !defined (USG) || defined (BSD_PGRPS) |
90553aa3 | 71 | #undef setpgrp |
f95c3f91 GM |
72 | #define setpgrp setpgid |
73 | #endif | |
2b7e8799 | 74 | #endif |
f95c3f91 | 75 | |
90553aa3 DL |
76 | extern void malloc_warning P_ ((char *)); |
77 | extern void set_time_zone_rule P_ ((char *)); | |
8892f40b GM |
78 | #ifdef HAVE_INDEX |
79 | extern char *index P_ ((const char *, int)); | |
80 | #endif | |
43165242 | 81 | |
30aa3f19 GM |
82 | /* Make these values available in GDB, which doesn't see macros. */ |
83 | ||
84 | EMACS_INT gdb_valbits = VALBITS; | |
85 | EMACS_INT gdb_gctypebits = GCTYPEBITS; | |
86 | EMACS_INT gdb_emacs_intbits = sizeof (EMACS_INT) * BITS_PER_CHAR; | |
87 | #ifdef DATA_SEG_BITS | |
88 | EMACS_INT gdb_data_seg_bits = DATA_SEG_BITS; | |
89 | #else | |
90 | EMACS_INT gdb_data_seg_bits = 0; | |
91 | #endif | |
00da0e4a | 92 | EMACS_INT PVEC_FLAG = PSEUDOVECTOR_FLAG; |
30aa3f19 | 93 | |
f927c5ae JB |
94 | /* Command line args from shell, as list of strings */ |
95 | Lisp_Object Vcommand_line_args; | |
96 | ||
59653951 JB |
97 | /* The name under which Emacs was invoked, with any leading directory |
98 | names discarded. */ | |
99 | Lisp_Object Vinvocation_name; | |
100 | ||
ace40a69 RS |
101 | /* The directory name from which Emacs was invoked. */ |
102 | Lisp_Object Vinvocation_directory; | |
103 | ||
07f4d123 RS |
104 | /* The directory name in which to find subdirs such as lisp and etc. |
105 | nil means get them only from PATH_LOADSEARCH. */ | |
106 | Lisp_Object Vinstallation_directory; | |
107 | ||
e5d77022 JB |
108 | /* Hook run by `kill-emacs' before it does really anything. */ |
109 | Lisp_Object Vkill_emacs_hook; | |
110 | ||
7317d9e8 RS |
111 | #ifdef SIGUSR1 |
112 | /* Hooks for signal USR1 and USR2 handing */ | |
113 | Lisp_Object Vsignal_USR1_hook; | |
114 | #ifdef SIGUSR2 | |
115 | Lisp_Object Vsignal_USR2_hook; | |
116 | #endif | |
117 | #endif | |
118 | ||
074a066b GV |
119 | /* Search path separator. */ |
120 | Lisp_Object Vpath_separator; | |
121 | ||
f927c5ae JB |
122 | /* Set nonzero after Emacs has started up the first time. |
123 | Prevents reinitialization of the Lisp world and keymaps | |
124 | on subsequent starts. */ | |
125 | int initialized; | |
126 | ||
15aaf1b5 RS |
127 | #ifdef DOUG_LEA_MALLOC |
128 | /* Preserves a pointer to the memory allocated that copies that | |
129 | static data inside glibc's malloc. */ | |
130 | void *malloc_state_ptr; | |
131 | /* From glibc, a routine that returns a copy of the malloc internal state. */ | |
132 | extern void *malloc_get_state (); | |
133 | /* From glibc, a routine that overwrites the malloc internal state. */ | |
134 | extern void malloc_set_state (); | |
7c9cd446 AS |
135 | /* Non-zero if the MALLOC_CHECK_ enviroment variable was set while |
136 | dumping. Used to work around a bug in glibc's malloc. */ | |
137 | int malloc_using_checking; | |
15aaf1b5 RS |
138 | #endif |
139 | ||
271c7b7c | 140 | /* Variable whose value is symbol giving operating system type. */ |
f927c5ae | 141 | Lisp_Object Vsystem_type; |
271c7b7c RS |
142 | |
143 | /* Variable whose value is string giving configuration built for. */ | |
144 | Lisp_Object Vsystem_configuration; | |
f0fc0b1a KH |
145 | |
146 | /* Variable whose value is string giving configuration options, | |
147 | for use when reporting bugs. */ | |
148 | Lisp_Object Vsystem_configuration_options; | |
149 | ||
213d0b1f RS |
150 | Lisp_Object Qfile_name_handler_alist; |
151 | ||
68c45bf0 | 152 | /* Current and previous system locales for messages and time. */ |
ca9c0567 PE |
153 | Lisp_Object Vsystem_messages_locale; |
154 | Lisp_Object Vprevious_system_messages_locale; | |
155 | Lisp_Object Vsystem_time_locale; | |
156 | Lisp_Object Vprevious_system_time_locale; | |
68c45bf0 | 157 | |
f927c5ae JB |
158 | /* If non-zero, emacs should not attempt to use an window-specific code, |
159 | but instead should use the virtual terminal under which it was started */ | |
160 | int inhibit_window_system; | |
161 | ||
5aa7f46a JB |
162 | /* If nonzero, set Emacs to run at this priority. This is also used |
163 | in child_setup and sys_suspend to make sure subshells run at normal | |
164 | priority; Those functions have their own extern declaration. */ | |
3005da00 RS |
165 | int emacs_priority; |
166 | ||
7074fde6 FP |
167 | /* If non-zero a filter or a sentinel is running. Tested to save the match |
168 | data on the first attempt to change it inside asynchronous code. */ | |
169 | int running_asynch_code; | |
170 | ||
647cec74 | 171 | #ifdef BSD_PGRPS |
9ae8f997 JB |
172 | /* See sysdep.c. */ |
173 | extern int inherited_pgroup; | |
174 | #endif | |
175 | ||
f927c5ae JB |
176 | #ifdef HAVE_X_WINDOWS |
177 | /* If non-zero, -d was specified, meaning we're using some window system. */ | |
178 | int display_arg; | |
179 | #endif | |
180 | ||
181 | /* An address near the bottom of the stack. | |
182 | Tells GC how to save a copy of the stack. */ | |
183 | char *stack_bottom; | |
184 | ||
8ba50e1a | 185 | #ifdef HAVE_WINDOW_SYSTEM |
f927c5ae | 186 | extern Lisp_Object Vwindow_system; |
8ba50e1a | 187 | #endif /* HAVE_WINDOW_SYSTEM */ |
f927c5ae | 188 | |
1090a161 RS |
189 | extern Lisp_Object Vauto_save_list_file_name; |
190 | ||
f927c5ae JB |
191 | #ifdef USG_SHARED_LIBRARIES |
192 | /* If nonzero, this is the place to put the end of the writable segment | |
193 | at startup. */ | |
194 | ||
195 | unsigned int bss_end = 0; | |
196 | #endif | |
197 | ||
198 | /* Nonzero means running Emacs without interactive terminal. */ | |
199 | ||
200 | int noninteractive; | |
201 | ||
202 | /* Value of Lisp variable `noninteractive'. | |
203 | Normally same as C variable `noninteractive' | |
204 | but nothing terrible happens if user sets this one. */ | |
205 | ||
206 | int noninteractive1; | |
e29f86e4 RS |
207 | |
208 | /* Save argv and argc. */ | |
209 | char **initial_argv; | |
210 | int initial_argc; | |
081bef73 RS |
211 | |
212 | static void sort_args (); | |
dfcf069d | 213 | void syms_of_emacs (); |
bd4590ba | 214 | |
73ebcd25 | 215 | #define USAGE1 "\ |
bd4590ba GM |
216 | Usage: %s [OPTION-OR-FILENAME]...\n\ |
217 | \n\ | |
218 | Run Emacs, the extensible, customizable, self-documenting real-time\n\ | |
219 | display editor. The recommended way to start Emacs for normal editing\n\ | |
220 | is with no options at all.\n\ | |
221 | \n\ | |
222 | Run M-x info RET m emacs RET m command arguments RET inside Emacs to\n\ | |
223 | read the main documentation for these command-line arguments.\n\ | |
224 | \n\ | |
225 | Initialization options:\n\ | |
226 | \n\ | |
227 | --batch do not do interactive display; implies -q\n\ | |
228 | --debug-init enable Emacs Lisp debugger during init file\n\ | |
229 | --help display this help message and exit\n\ | |
230 | --multibyte, --no-unibyte run Emacs in multibyte mode\n\ | |
231 | --no-init-file, -q load neither ~/.emacs nor default.el\n\ | |
232 | --no-shared-memory, -nl do not use shared memory\n\ | |
233 | --no-site-file do not load site-start.el\n\ | |
234 | --no-windows, -nw don't communicate with X, ignoring $DISPLAY\n\ | |
235 | --terminal, -t DEVICE use DEVICE for terminal I/O\n\ | |
236 | --unibyte, --no-multibyte run Emacs in unibyte mode\n\ | |
237 | --user, -u USER load ~USER/.emacs instead of your own\n\ | |
238 | --version display version information and exit\n\ | |
239 | \n\ | |
240 | Action options:\n\ | |
241 | \n\ | |
242 | FILE visit FILE using find-file\n\ | |
5333e22e GM |
243 | +LINE FILE visit FILE using find-file, then go to line LINE\n\ |
244 | +LINE:COLUMN FILE visit FILE using find-file, then go to line LINE,\n\ | |
245 | column COLUMN\n\ | |
bd4590ba GM |
246 | --directory, -L DIR add DIR to variable load-path\n\ |
247 | --eval EXPR evaluate Emacs Lisp expression EXPR\n\ | |
248 | --execute EXPR evaluate Emacs Lisp expression EXPR\n\ | |
249 | --find-file FILE visit FILE\n\ | |
250 | --funcall, -f FUNC call Emacs function FUNC with no arguments\n\ | |
251 | --insert FILE insert contents of FILE into current buffer\n\ | |
252 | --kill exit without asking for confirmation\n\ | |
253 | --load, -l FILE load FILE of Emacs Lisp code using the load function\n\ | |
254 | --visit FILE visit FILE\n\ | |
73ebcd25 AI |
255 | \n" |
256 | ||
257 | #define USAGE2 "\ | |
5b2ca26b | 258 | Display options:\n\ |
bd4590ba GM |
259 | \n\ |
260 | --background-color, -bg COLOR window background color\n\ | |
261 | --border-color, -bd COLOR main border color\n\ | |
262 | --border-width, -bw WIDTH width of main border\n\ | |
263 | --cursor-color, -cr COLOR color of the Emacs cursor indicating point\n\ | |
264 | --display, -d DISPLAY use X server DISPLAY\n\ | |
265 | --font, -fn FONT default font; must be fixed-widthp\n\ | |
266 | --foreground-color, -fg COLOR window foreground color\n\ | |
267 | --geometry, -g GEOMETRY window geometry\n\ | |
268 | --iconic start Emacs in iconified state\n\ | |
269 | --icon-type, -i use picture of gnu for Emacs icon\n\ | |
270 | --internal-border, -ib WIDTH width between text and main border\n\ | |
ecb5709c | 271 | --line-spacing, -lsp PIXELS additional space to put between lines\n\ |
bd4590ba GM |
272 | --mouse-color, -ms COLOR mouse cursor color in Emacs window\n\ |
273 | --name NAME title of main Emacs window\n\ | |
274 | --reverse-video, -r, -rv switch foreground and background\n\ | |
275 | --title, -T, -wn, TITLE title for Emacs windows\n\ | |
276 | --vertical-scroll-bars, -vb enable vertical scroll bars\n\ | |
277 | --xrm XRESOURCES set additional X resources\n\ | |
278 | \n\ | |
279 | You can generally also specify long option names with a single -; for\n\ | |
280 | example, -batch as well as --batch. You can use any unambiguous\n\ | |
281 | abbreviation for a --option.\n\ | |
282 | \n\ | |
283 | Various environment variables and window system resources also affect\n\ | |
284 | Emacs' operation. See the main documentation.\n\ | |
285 | \n\ | |
286 | Report bugs to bug-gnu-emacs@gnu.org. First, please see the Bugs\n\ | |
287 | section of the Emacs manual or the file BUGS.\n" | |
288 | ||
f927c5ae JB |
289 | \f |
290 | /* Signal code for the fatal signal that was received */ | |
291 | int fatal_error_code; | |
292 | ||
293 | /* Nonzero if handling a fatal error already */ | |
294 | int fatal_error_in_progress; | |
295 | ||
4fab758d GM |
296 | /* If non-null, call this function from fata_error_signal before |
297 | committing suicide. */ | |
298 | ||
299 | void (*fatal_error_signal_hook) P_ ((void)); | |
300 | ||
301 | ||
7317d9e8 | 302 | #ifdef SIGUSR1 |
7317d9e8 RS |
303 | SIGTYPE |
304 | handle_USR1_signal (sig) | |
305 | int sig; | |
306 | { | |
5bda49c6 RS |
307 | struct input_event buf; |
308 | ||
75816372 | 309 | bzero (&buf, sizeof buf); |
5b50dae1 | 310 | buf.kind = USER_SIGNAL_EVENT; |
74c2d1c6 | 311 | buf.frame_or_window = selected_frame; |
5bda49c6 RS |
312 | |
313 | kbd_buffer_store_event (&buf); | |
7317d9e8 | 314 | } |
5bda49c6 | 315 | #endif /* SIGUSR1 */ |
fcf01ad3 | 316 | |
7317d9e8 | 317 | #ifdef SIGUSR2 |
7317d9e8 RS |
318 | SIGTYPE |
319 | handle_USR2_signal (sig) | |
320 | int sig; | |
321 | { | |
5bda49c6 RS |
322 | struct input_event buf; |
323 | ||
75816372 | 324 | bzero (&buf, sizeof buf); |
5b50dae1 | 325 | buf.kind = USER_SIGNAL_EVENT; |
e2fa15ff | 326 | buf.code = 1; |
74c2d1c6 | 327 | buf.frame_or_window = selected_frame; |
5bda49c6 RS |
328 | |
329 | kbd_buffer_store_event (&buf); | |
7317d9e8 | 330 | } |
5bda49c6 | 331 | #endif /* SIGUSR2 */ |
7317d9e8 | 332 | |
9ab8560d | 333 | /* Handle bus errors, invalid instruction, etc. */ |
2447c626 | 334 | SIGTYPE |
f927c5ae JB |
335 | fatal_error_signal (sig) |
336 | int sig; | |
337 | { | |
f927c5ae JB |
338 | fatal_error_code = sig; |
339 | signal (sig, SIG_DFL); | |
340 | ||
061b7f94 RS |
341 | TOTALLY_UNBLOCK_INPUT; |
342 | ||
f927c5ae | 343 | /* If fatal error occurs in code below, avoid infinite recursion. */ |
8090eb09 JB |
344 | if (! fatal_error_in_progress) |
345 | { | |
346 | fatal_error_in_progress = 1; | |
f927c5ae | 347 | |
f7ab4e3d | 348 | shut_down_emacs (sig, 0, Qnil); |
8090eb09 | 349 | } |
f927c5ae JB |
350 | |
351 | #ifdef VMS | |
f927c5ae JB |
352 | LIB$STOP (SS$_ABORT); |
353 | #else | |
8090eb09 JB |
354 | /* Signal the same code; this time it will really be fatal. |
355 | Remember that since we're in a signal handler, the signal we're | |
356 | going to send is probably blocked, so we have to unblock it if we | |
357 | want to really receive it. */ | |
29b89fe0 | 358 | #ifndef MSDOS |
a90538cb | 359 | sigunblock (sigmask (fatal_error_code)); |
29b89fe0 | 360 | #endif |
4fab758d GM |
361 | |
362 | if (fatal_error_signal_hook) | |
363 | fatal_error_signal_hook (); | |
364 | ||
f927c5ae JB |
365 | kill (getpid (), fatal_error_code); |
366 | #endif /* not VMS */ | |
367 | } | |
271c7b7c RS |
368 | |
369 | #ifdef SIGDANGER | |
370 | ||
16c323ee | 371 | /* Handler for SIGDANGER. */ |
271c7b7c RS |
372 | SIGTYPE |
373 | memory_warning_signal (sig) | |
374 | int sig; | |
375 | { | |
376 | signal (sig, memory_warning_signal); | |
377 | ||
378 | malloc_warning ("Operating system warns that virtual memory is running low.\n"); | |
55796183 RS |
379 | |
380 | /* It might be unsafe to call do_auto_save now. */ | |
381 | force_auto_save_soon (); | |
271c7b7c RS |
382 | } |
383 | #endif | |
fcf01ad3 RS |
384 | |
385 | /* We define abort, rather than using it from the library, | |
c9fe9cce KH |
386 | so that GDB can return from a breakpoint here. |
387 | MSDOS has its own definition on msdos.c */ | |
fcf01ad3 | 388 | |
37e2fdd2 | 389 | #if ! defined (DOS_NT) && ! defined (NO_ABORT) |
ca9c0567 PE |
390 | |
391 | #ifndef ABORT_RETURN_TYPE | |
392 | #define ABORT_RETURN_TYPE void | |
393 | #endif | |
394 | ||
395 | ABORT_RETURN_TYPE | |
fcf01ad3 RS |
396 | abort () |
397 | { | |
398 | kill (getpid (), SIGABRT); | |
37e2fdd2 RS |
399 | /* This shouldn't be executed, but it prevents a warning. */ |
400 | exit (1); | |
fcf01ad3 | 401 | } |
c9fe9cce | 402 | #endif |
fcf01ad3 | 403 | |
f927c5ae JB |
404 | \f |
405 | /* Code for dealing with Lisp access to the Unix command line */ | |
406 | ||
dfcf069d | 407 | static void |
f927c5ae JB |
408 | init_cmdargs (argc, argv, skip_args) |
409 | int argc; | |
410 | char **argv; | |
411 | int skip_args; | |
412 | { | |
413 | register int i; | |
213d0b1f RS |
414 | Lisp_Object name, dir, tem; |
415 | int count = specpdl_ptr - specpdl; | |
416 | Lisp_Object raw_name; | |
f927c5ae | 417 | |
e29f86e4 RS |
418 | initial_argv = argv; |
419 | initial_argc = argc; | |
420 | ||
213d0b1f RS |
421 | raw_name = build_string (argv[0]); |
422 | ||
423 | /* Add /: to the front of the name | |
424 | if it would otherwise be treated as magic. */ | |
425 | tem = Ffind_file_name_handler (raw_name, Qt); | |
426 | if (! NILP (tem)) | |
427 | raw_name = concat2 (build_string ("/:"), raw_name); | |
428 | ||
429 | Vinvocation_name = Ffile_name_nondirectory (raw_name); | |
430 | Vinvocation_directory = Ffile_name_directory (raw_name); | |
431 | ||
ace40a69 RS |
432 | /* If we got no directory in argv[0], search PATH to find where |
433 | Emacs actually came from. */ | |
434 | if (NILP (Vinvocation_directory)) | |
435 | { | |
436 | Lisp_Object found; | |
437 | int yes = openp (Vexec_path, Vinvocation_name, | |
6c362a8b | 438 | EXEC_SUFFIXES, &found, 1); |
e443f843 | 439 | if (yes == 1) |
213d0b1f RS |
440 | { |
441 | /* Add /: to the front of the name | |
442 | if it would otherwise be treated as magic. */ | |
443 | tem = Ffind_file_name_handler (found, Qt); | |
444 | if (! NILP (tem)) | |
445 | found = concat2 (build_string ("/:"), found); | |
446 | Vinvocation_directory = Ffile_name_directory (found); | |
447 | } | |
ace40a69 | 448 | } |
59653951 | 449 | |
4133b300 RS |
450 | if (!NILP (Vinvocation_directory) |
451 | && NILP (Ffile_name_absolute_p (Vinvocation_directory))) | |
213d0b1f RS |
452 | /* Emacs was started with relative path, like ./emacs. |
453 | Make it absolute. */ | |
4133b300 RS |
454 | Vinvocation_directory = Fexpand_file_name (Vinvocation_directory, Qnil); |
455 | ||
07f4d123 RS |
456 | Vinstallation_directory = Qnil; |
457 | ||
458 | if (!NILP (Vinvocation_directory)) | |
459 | { | |
460 | dir = Vinvocation_directory; | |
461 | name = Fexpand_file_name (Vinvocation_name, dir); | |
462 | while (1) | |
463 | { | |
f5ab9736 | 464 | Lisp_Object tem, lib_src_exists; |
07f4d123 RS |
465 | Lisp_Object etc_exists, info_exists; |
466 | ||
f5ab9736 RS |
467 | /* See if dir contains subdirs for use by Emacs. |
468 | Check for the ones that would exist in a build directory, | |
469 | not including lisp and info. */ | |
470 | tem = Fexpand_file_name (build_string ("lib-src"), dir); | |
471 | lib_src_exists = Ffile_exists_p (tem); | |
de004cc6 | 472 | |
70344b34 | 473 | #ifdef MSDOS |
de004cc6 RS |
474 | /* MSDOS installations frequently remove lib-src, but we still |
475 | must set installation-directory, or else info won't find | |
476 | its files (it uses the value of installation-directory). */ | |
477 | tem = Fexpand_file_name (build_string ("info"), dir); | |
478 | info_exists = Ffile_exists_p (tem); | |
70344b34 EZ |
479 | #else |
480 | info_exists = Qnil; | |
481 | #endif | |
de004cc6 RS |
482 | |
483 | if (!NILP (lib_src_exists) || !NILP (info_exists)) | |
07f4d123 | 484 | { |
f5ab9736 RS |
485 | tem = Fexpand_file_name (build_string ("etc"), dir); |
486 | etc_exists = Ffile_exists_p (tem); | |
487 | if (!NILP (etc_exists)) | |
07f4d123 | 488 | { |
f5ab9736 RS |
489 | Vinstallation_directory |
490 | = Ffile_name_as_directory (dir); | |
491 | break; | |
07f4d123 RS |
492 | } |
493 | } | |
494 | ||
495 | /* See if dir's parent contains those subdirs. */ | |
f5ab9736 RS |
496 | tem = Fexpand_file_name (build_string ("../lib-src"), dir); |
497 | lib_src_exists = Ffile_exists_p (tem); | |
de004cc6 | 498 | |
70344b34 EZ |
499 | |
500 | #ifdef MSDOS | |
501 | /* See the MSDOS commentary above. */ | |
de004cc6 RS |
502 | tem = Fexpand_file_name (build_string ("../info"), dir); |
503 | info_exists = Ffile_exists_p (tem); | |
70344b34 EZ |
504 | #else |
505 | info_exists = Qnil; | |
506 | #endif | |
de004cc6 RS |
507 | |
508 | if (!NILP (lib_src_exists) || !NILP (info_exists)) | |
07f4d123 | 509 | { |
f5ab9736 RS |
510 | tem = Fexpand_file_name (build_string ("../etc"), dir); |
511 | etc_exists = Ffile_exists_p (tem); | |
512 | if (!NILP (etc_exists)) | |
07f4d123 | 513 | { |
f5ab9736 RS |
514 | tem = Fexpand_file_name (build_string (".."), dir); |
515 | Vinstallation_directory | |
516 | = Ffile_name_as_directory (tem); | |
517 | break; | |
07f4d123 RS |
518 | } |
519 | } | |
520 | ||
521 | /* If the Emacs executable is actually a link, | |
522 | next try the dir that the link points into. */ | |
523 | tem = Ffile_symlink_p (name); | |
524 | if (!NILP (tem)) | |
525 | { | |
260ec24d | 526 | name = Fexpand_file_name (tem, dir); |
07f4d123 RS |
527 | dir = Ffile_name_directory (name); |
528 | } | |
529 | else | |
530 | break; | |
531 | } | |
532 | } | |
533 | ||
f927c5ae JB |
534 | Vcommand_line_args = Qnil; |
535 | ||
536 | for (i = argc - 1; i >= 0; i--) | |
537 | { | |
538 | if (i == 0 || i > skip_args) | |
539 | Vcommand_line_args | |
540 | = Fcons (build_string (argv[i]), Vcommand_line_args); | |
541 | } | |
213d0b1f RS |
542 | |
543 | unbind_to (count, Qnil); | |
f927c5ae | 544 | } |
59653951 JB |
545 | |
546 | DEFUN ("invocation-name", Finvocation_name, Sinvocation_name, 0, 0, 0, | |
547 | "Return the program name that was used to run Emacs.\n\ | |
548 | Any directory names are omitted.") | |
549 | () | |
550 | { | |
551 | return Fcopy_sequence (Vinvocation_name); | |
552 | } | |
553 | ||
ace40a69 RS |
554 | DEFUN ("invocation-directory", Finvocation_directory, Sinvocation_directory, |
555 | 0, 0, 0, | |
556 | "Return the directory name in which the Emacs executable was located") | |
557 | () | |
558 | { | |
559 | return Fcopy_sequence (Vinvocation_directory); | |
560 | } | |
561 | ||
f927c5ae JB |
562 | \f |
563 | #ifdef VMS | |
564 | #ifdef LINK_CRTL_SHARE | |
34035df3 | 565 | #ifdef SHARABLE_LIB_BUG |
f927c5ae | 566 | extern noshare char **environ; |
34035df3 | 567 | #endif /* SHARABLE_LIB_BUG */ |
f927c5ae JB |
568 | #endif /* LINK_CRTL_SHARE */ |
569 | #endif /* VMS */ | |
570 | ||
0269dedb RS |
571 | #ifdef HAVE_TZSET |
572 | /* A valid but unlikely value for the TZ environment value. | |
573 | It is OK (though a bit slower) if the user actually chooses this value. */ | |
574 | static char dump_tz[] = "UtC0"; | |
575 | #endif | |
576 | ||
a90538cb | 577 | #ifndef ORDINARY_LINK |
efd241cc RS |
578 | /* We don't include crtbegin.o and crtend.o in the link, |
579 | so these functions and variables might be missed. | |
580 | Provide dummy definitions to avoid error. | |
581 | (We don't have any real constructors or destructors.) */ | |
582 | #ifdef __GNUC__ | |
46e65b73 | 583 | #ifndef GCC_CTORS_IN_LIBC |
dfcf069d | 584 | void __do_global_ctors () |
efd241cc | 585 | {} |
dfcf069d | 586 | void __do_global_ctors_aux () |
c83a7064 | 587 | {} |
dfcf069d | 588 | void __do_global_dtors () |
33143604 | 589 | {} |
64c1864a RS |
590 | /* Linux has a bug in its library; avoid an error. */ |
591 | #ifndef LINUX | |
c83a7064 | 592 | char * __CTOR_LIST__[2] = { (char *) (-1), 0 }; |
64c1864a | 593 | #endif |
c83a7064 | 594 | char * __DTOR_LIST__[2] = { (char *) (-1), 0 }; |
46e65b73 | 595 | #endif /* GCC_CTORS_IN_LIBC */ |
dfcf069d | 596 | void __main () |
efd241cc | 597 | {} |
efd241cc | 598 | #endif /* __GNUC__ */ |
a90538cb | 599 | #endif /* ORDINARY_LINK */ |
efd241cc | 600 | |
e2925360 KH |
601 | /* Test whether the next argument in ARGV matches SSTR or a prefix of |
602 | LSTR (at least MINLEN characters). If so, then if VALPTR is non-null | |
603 | (the argument is supposed to have a value) store in *VALPTR either | |
604 | the next argument or the portion of this one after the equal sign. | |
605 | ARGV is read starting at position *SKIPPTR; this index is advanced | |
606 | by the number of arguments used. | |
607 | ||
608 | Too bad we can't just use getopt for all of this, but we don't have | |
609 | enough information to do it right. */ | |
081bef73 | 610 | |
e2925360 | 611 | static int |
df6530f8 | 612 | argmatch (argv, argc, sstr, lstr, minlen, valptr, skipptr) |
e2925360 | 613 | char **argv; |
df6530f8 | 614 | int argc; |
e2925360 KH |
615 | char *sstr; |
616 | char *lstr; | |
617 | int minlen; | |
618 | char **valptr; | |
619 | int *skipptr; | |
620 | { | |
6bbd7a29 | 621 | char *p = NULL; |
e2925360 | 622 | int arglen; |
df6530f8 RS |
623 | char *arg; |
624 | ||
625 | /* Don't access argv[argc]; give up in advance. */ | |
626 | if (argc <= *skipptr + 1) | |
627 | return 0; | |
628 | ||
629 | arg = argv[*skipptr+1]; | |
e2925360 KH |
630 | if (arg == NULL) |
631 | return 0; | |
632 | if (strcmp (arg, sstr) == 0) | |
633 | { | |
634 | if (valptr != NULL) | |
635 | { | |
636 | *valptr = argv[*skipptr+2]; | |
637 | *skipptr += 2; | |
638 | } | |
639 | else | |
640 | *skipptr += 1; | |
641 | return 1; | |
642 | } | |
643 | arglen = (valptr != NULL && (p = index (arg, '=')) != NULL | |
644 | ? p - arg : strlen (arg)); | |
c03e1113 | 645 | if (lstr == 0 || arglen < minlen || strncmp (arg, lstr, arglen) != 0) |
e2925360 KH |
646 | return 0; |
647 | else if (valptr == NULL) | |
648 | { | |
649 | *skipptr += 1; | |
650 | return 1; | |
651 | } | |
652 | else if (p != NULL) | |
653 | { | |
654 | *valptr = p+1; | |
655 | *skipptr += 1; | |
656 | return 1; | |
657 | } | |
658 | else if (argv[*skipptr+2] != NULL) | |
659 | { | |
660 | *valptr = argv[*skipptr+2]; | |
661 | *skipptr += 2; | |
662 | return 1; | |
663 | } | |
664 | else | |
665 | { | |
666 | return 0; | |
667 | } | |
668 | } | |
669 | ||
b6779252 | 670 | #ifdef DOUG_LEA_MALLOC |
f927c5ae | 671 | |
b6779252 KH |
672 | /* malloc can be invoked even before main (e.g. by the dynamic |
673 | linker), so the dumped malloc state must be restored as early as | |
674 | possible using this special hook. */ | |
675 | ||
676 | static void | |
677 | malloc_initialize_hook () | |
678 | { | |
1f9c3929 | 679 | #ifndef USE_CRT_DLL |
b6779252 | 680 | extern char **environ; |
1f9c3929 | 681 | #endif |
6000fe37 | 682 | |
15aaf1b5 RS |
683 | if (initialized) |
684 | { | |
7c9cd446 AS |
685 | if (!malloc_using_checking) |
686 | /* Work around a bug in glibc's malloc. MALLOC_CHECK_ must be | |
687 | ignored if the heap to be restored was constructed without | |
d942e12a AS |
688 | malloc checking. Can't use unsetenv, since that calls malloc. */ |
689 | { | |
690 | char **p; | |
691 | ||
a57c4026 | 692 | for (p = environ; p && *p; p++) |
d942e12a AS |
693 | if (strncmp (*p, "MALLOC_CHECK_=", 14) == 0) |
694 | { | |
695 | do | |
696 | *p = p[1]; | |
697 | while (*++p); | |
698 | break; | |
699 | } | |
700 | } | |
b6779252 | 701 | |
15aaf1b5 RS |
702 | malloc_set_state (malloc_state_ptr); |
703 | free (malloc_state_ptr); | |
704 | } | |
7c9cd446 AS |
705 | else |
706 | malloc_using_checking = getenv ("MALLOC_CHECK_") != NULL; | |
b6779252 KH |
707 | } |
708 | ||
709 | void (*__malloc_initialize_hook) () = malloc_initialize_hook; | |
710 | ||
711 | #endif /* DOUG_LEA_MALLOC */ | |
712 | ||
713 | /* ARGSUSED */ | |
714 | int | |
715 | main (argc, argv, envp) | |
716 | int argc; | |
717 | char **argv; | |
718 | char **envp; | |
719 | { | |
2313132f | 720 | #if GC_MARK_STACK |
39ec21ea GM |
721 | Lisp_Object dummy; |
722 | #endif | |
b6779252 | 723 | char stack_bottom_variable; |
68c45bf0 | 724 | int do_initial_setlocale; |
b6779252 | 725 | int skip_args = 0; |
1f9c3929 | 726 | #ifndef USE_CRT_DLL |
b6779252 | 727 | extern int errno; |
1f9c3929 | 728 | #endif |
b6779252 KH |
729 | #ifdef HAVE_SETRLIMIT |
730 | struct rlimit rlim; | |
731 | #endif | |
732 | int no_loadup = 0; | |
733 | ||
2313132f | 734 | #if GC_MARK_STACK |
39ec21ea GM |
735 | extern Lisp_Object *stack_base; |
736 | stack_base = &dummy; | |
737 | #endif | |
738 | ||
b6779252 KH |
739 | #ifdef LINUX_SBRK_BUG |
740 | __sbrk (1); | |
15aaf1b5 RS |
741 | #endif |
742 | ||
d785cf9e RS |
743 | #ifdef RUN_TIME_REMAP |
744 | if (initialized) | |
745 | run_time_remap (argv[0]); | |
746 | #endif | |
747 | ||
081bef73 | 748 | sort_args (argc, argv); |
956e3c7e RS |
749 | argc = 0; |
750 | while (argv[argc]) argc++; | |
081bef73 | 751 | |
3270ae6e KH |
752 | if (argmatch (argv, argc, "-version", "--version", 3, NULL, &skip_args) |
753 | /* We don't know the version number unless this is a dumped Emacs. | |
754 | So ignore --version otherwise. */ | |
755 | && initialized) | |
1702afef RS |
756 | { |
757 | Lisp_Object tem; | |
758 | tem = Fsymbol_value (intern ("emacs-version")); | |
759 | if (!STRINGP (tem)) | |
760 | { | |
761 | fprintf (stderr, "Invalid value of `emacs-version'\n"); | |
762 | exit (1); | |
763 | } | |
764 | else | |
765 | { | |
30ce1583 | 766 | printf ("GNU Emacs %s\n", XSTRING (tem)->data); |
6c145d35 | 767 | printf ("Copyright (C) 2001 Free Software Foundation, Inc.\n"); |
b455c665 RS |
768 | printf ("GNU Emacs comes with ABSOLUTELY NO WARRANTY.\n"); |
769 | printf ("You may redistribute copies of Emacs\n"); | |
770 | printf ("under the terms of the GNU General Public License.\n"); | |
771 | printf ("For more information about these matters, "); | |
94487c4e | 772 | printf ("see the file named COPYING.\n"); |
1702afef RS |
773 | exit (0); |
774 | } | |
775 | } | |
776 | ||
f927c5ae JB |
777 | /* Map in shared memory, if we are using that. */ |
778 | #ifdef HAVE_SHM | |
df6530f8 | 779 | if (argmatch (argv, argc, "-nl", "--no-shared-memory", 6, NULL, &skip_args)) |
f927c5ae JB |
780 | { |
781 | map_in_data (0); | |
782 | /* The shared memory was just restored, which clobbered this. */ | |
783 | skip_args = 1; | |
784 | } | |
785 | else | |
786 | { | |
787 | map_in_data (1); | |
788 | /* The shared memory was just restored, which clobbered this. */ | |
789 | skip_args = 0; | |
790 | } | |
791 | #endif | |
792 | ||
19a36ec6 | 793 | #ifdef NeXT |
b9df9faa KH |
794 | { |
795 | extern int malloc_cookie; | |
796 | /* This helps out unexnext.c. */ | |
797 | if (initialized) | |
798 | if (malloc_jumpstart (malloc_cookie) != 0) | |
799 | printf ("malloc jumpstart failed!\n"); | |
800 | } | |
19a36ec6 RS |
801 | #endif /* NeXT */ |
802 | ||
f927c5ae JB |
803 | #ifdef VMS |
804 | /* If -map specified, map the data file in */ | |
e2925360 KH |
805 | { |
806 | char *file; | |
df6530f8 | 807 | if (argmatch (argv, argc, "-map", "--map-data", 3, &mapin_file, &skip_args)) |
e2925360 KH |
808 | mapin_data (file); |
809 | } | |
f927c5ae JB |
810 | |
811 | #ifdef LINK_CRTL_SHARE | |
34035df3 | 812 | #ifdef SHARABLE_LIB_BUG |
f927c5ae JB |
813 | /* Bletcherous shared libraries! */ |
814 | if (!stdin) | |
815 | stdin = fdopen (0, "r"); | |
816 | if (!stdout) | |
817 | stdout = fdopen (1, "w"); | |
818 | if (!stderr) | |
819 | stderr = fdopen (2, "w"); | |
820 | if (!environ) | |
821 | environ = envp; | |
34035df3 | 822 | #endif /* SHARABLE_LIB_BUG */ |
f927c5ae JB |
823 | #endif /* LINK_CRTL_SHARE */ |
824 | #endif /* VMS */ | |
825 | ||
ea2acec5 | 826 | #if defined (HAVE_SETRLIMIT) && defined (RLIMIT_STACK) |
6c2935e9 RS |
827 | /* Extend the stack space available. |
828 | Don't do that if dumping, since some systems (e.g. DJGPP) | |
829 | might define a smaller stack limit at that time. */ | |
830 | if (1 | |
831 | #ifndef CANNOT_DUMP | |
832 | && (!noninteractive || initialized) | |
833 | #endif | |
834 | && !getrlimit (RLIMIT_STACK, &rlim)) | |
53c58b5d | 835 | { |
509a8fcd | 836 | long newlim; |
6c2935e9 | 837 | extern int re_max_failures; |
03effc23 KH |
838 | /* Approximate the amount regex.c needs per unit of re_max_failures. */ |
839 | int ratio = 20 * sizeof (char *); | |
840 | /* Then add 33% to cover the size of the smaller stacks that regex.c | |
841 | successively allocates and discards, on its way to the maximum. */ | |
842 | ratio += ratio / 3; | |
843 | /* Add in some extra to cover | |
844 | what we're likely to use for other reasons. */ | |
845 | newlim = re_max_failures * ratio + 200000; | |
d0381a7f RS |
846 | #ifdef __NetBSD__ |
847 | /* NetBSD (at least NetBSD 1.2G and former) has a bug in its | |
848 | stack allocation routine for new process that the allocation | |
849 | fails if stack limit is not on page boundary. So, round up the | |
850 | new limit to page boundary. */ | |
851 | newlim = (newlim + getpagesize () - 1) / getpagesize () * getpagesize(); | |
852 | #endif | |
509a8fcd | 853 | if (newlim > rlim.rlim_max) |
6c2935e9 RS |
854 | { |
855 | newlim = rlim.rlim_max; | |
03effc23 KH |
856 | /* Don't let regex.c overflow the stack we have. */ |
857 | re_max_failures = (newlim - 200000) / ratio; | |
6c2935e9 | 858 | } |
509a8fcd RS |
859 | if (rlim.rlim_cur < newlim) |
860 | rlim.rlim_cur = newlim; | |
861 | ||
53c58b5d RS |
862 | setrlimit (RLIMIT_STACK, &rlim); |
863 | } | |
ea2acec5 | 864 | #endif /* HAVE_SETRLIMIT and RLIMIT_STACK */ |
53c58b5d | 865 | |
f927c5ae JB |
866 | /* Record (approximately) where the stack begins. */ |
867 | stack_bottom = &stack_bottom_variable; | |
868 | ||
f927c5ae JB |
869 | #ifdef USG_SHARED_LIBRARIES |
870 | if (bss_end) | |
1d233b80 | 871 | brk ((void *)bss_end); |
f927c5ae JB |
872 | #endif |
873 | ||
874 | clearerr (stdin); | |
9ae8f997 | 875 | |
f927c5ae | 876 | #ifndef SYSTEM_MALLOC |
bf7f4e90 RS |
877 | /* Arrange to get warning messages as memory fills up. */ |
878 | memory_warnings (0, malloc_warning); | |
9ac0d9e0 | 879 | |
f5a3c8c4 AI |
880 | /* Call malloc at least once, to run the initial __malloc_hook. |
881 | Also call realloc and free for consistency. */ | |
882 | free (realloc (malloc (4), 4)); | |
bf7f4e90 RS |
883 | |
884 | /* Arrange to disable interrupt input inside malloc etc. */ | |
885 | uninterrupt_malloc (); | |
f927c5ae JB |
886 | #endif /* not SYSTEM_MALLOC */ |
887 | ||
29b89fe0 RS |
888 | #ifdef MSDOS |
889 | /* We do all file input/output as binary files. When we need to translate | |
890 | newlines, we do that manually. */ | |
891 | _fmode = O_BINARY; | |
18198bb2 RS |
892 | |
893 | #if __DJGPP__ >= 2 | |
894 | if (!isatty (fileno (stdin))) | |
895 | setmode (fileno (stdin), O_BINARY); | |
896 | if (!isatty (fileno (stdout))) | |
897 | { | |
898 | fflush (stdout); | |
899 | setmode (fileno (stdout), O_BINARY); | |
900 | } | |
901 | #else /* not __DJGPP__ >= 2 */ | |
29b89fe0 RS |
902 | (stdin)->_flag &= ~_IOTEXT; |
903 | (stdout)->_flag &= ~_IOTEXT; | |
904 | (stderr)->_flag &= ~_IOTEXT; | |
18198bb2 | 905 | #endif /* not __DJGPP__ >= 2 */ |
29b89fe0 RS |
906 | #endif /* MSDOS */ |
907 | ||
a422068f | 908 | #ifdef SET_EMACS_PRIORITY |
3005da00 | 909 | if (emacs_priority) |
5aa7f46a | 910 | nice (emacs_priority); |
f927c5ae | 911 | setuid (getuid ()); |
a422068f | 912 | #endif /* SET_EMACS_PRIORITY */ |
f927c5ae | 913 | |
68c45bf0 PE |
914 | /* Skip initial setlocale if LC_ALL is "C", as it's not needed in that case. |
915 | The build procedure uses this while dumping, to ensure that the | |
916 | dumped Emacs does not have its system locale tables initialized, | |
917 | as that might cause screwups when the dumped Emacs starts up. */ | |
918 | { | |
919 | char *lc_all = getenv ("LC_ALL"); | |
920 | do_initial_setlocale = ! lc_all || strcmp (lc_all, "C"); | |
921 | } | |
922 | ||
923 | /* Set locale now, so that initial error messages are localized properly. | |
924 | fixup_locale must wait until later, since it builds strings. */ | |
925 | if (do_initial_setlocale) | |
926 | setlocale (LC_ALL, ""); | |
927 | ||
d8b3a65d | 928 | #ifdef EXTRA_INITIALIZE |
a9260219 | 929 | EXTRA_INITIALIZE; |
d8b3a65d RS |
930 | #endif |
931 | ||
f927c5ae JB |
932 | inhibit_window_system = 0; |
933 | ||
4fc0b45b | 934 | /* Handle the -t switch, which specifies filename to use as terminal */ |
956e3c7e RS |
935 | while (1) |
936 | { | |
937 | char *term; | |
938 | if (argmatch (argv, argc, "-t", "--terminal", 4, &term, &skip_args)) | |
939 | { | |
940 | int result; | |
68c45bf0 PE |
941 | emacs_close (0); |
942 | emacs_close (1); | |
943 | result = emacs_open (term, O_RDWR, 0); | |
956e3c7e RS |
944 | if (result < 0) |
945 | { | |
946 | char *errstring = strerror (errno); | |
947 | fprintf (stderr, "emacs: %s: %s\n", term, errstring); | |
948 | exit (1); | |
949 | } | |
950 | dup (0); | |
951 | if (! isatty (0)) | |
952 | { | |
953 | fprintf (stderr, "emacs: %s: not a tty\n", term); | |
954 | exit (1); | |
955 | } | |
956 | fprintf (stderr, "Using %s\n", term); | |
8ba50e1a | 957 | #ifdef HAVE_WINDOW_SYSTEM |
956e3c7e | 958 | inhibit_window_system = 1; /* -t => -nw */ |
f927c5ae | 959 | #endif |
956e3c7e RS |
960 | } |
961 | else | |
962 | break; | |
963 | } | |
964 | ||
df6530f8 | 965 | if (argmatch (argv, argc, "-nw", "--no-windows", 6, NULL, &skip_args)) |
e2925360 | 966 | inhibit_window_system = 1; |
f927c5ae | 967 | |
e2925360 | 968 | /* Handle the -batch switch, which means don't do interactive display. */ |
f927c5ae | 969 | noninteractive = 0; |
df6530f8 | 970 | if (argmatch (argv, argc, "-batch", "--batch", 5, NULL, &skip_args)) |
e2925360 KH |
971 | noninteractive = 1; |
972 | ||
973 | /* Handle the --help option, which gives a usage message.. */ | |
df6530f8 | 974 | if (argmatch (argv, argc, "-help", "--help", 3, NULL, &skip_args)) |
f927c5ae | 975 | { |
73ebcd25 AI |
976 | printf (USAGE1, argv[0]); |
977 | printf (USAGE2); | |
e2925360 | 978 | exit (0); |
f927c5ae JB |
979 | } |
980 | ||
edb85f59 RS |
981 | if (! noninteractive) |
982 | { | |
983 | #ifdef BSD_PGRPS | |
984 | if (initialized) | |
985 | { | |
986 | inherited_pgroup = EMACS_GETPGRP (0); | |
987 | setpgrp (0, getpid ()); | |
988 | } | |
989 | #else | |
990 | #if defined (USG5) && defined (INTERRUPT_INPUT) | |
991 | setpgrp (); | |
992 | #endif | |
993 | #endif | |
994 | } | |
995 | ||
fb8e9847 | 996 | init_signals (); |
fb8e9847 | 997 | |
1efa2983 KH |
998 | /* Don't catch SIGHUP if dumping. */ |
999 | if (1 | |
1000 | #ifndef CANNOT_DUMP | |
1001 | && initialized | |
1002 | #endif | |
1003 | ) | |
1004 | { | |
57e3d22a | 1005 | sigblock (sigmask (SIGHUP)); |
1efa2983 KH |
1006 | /* In --batch mode, don't catch SIGHUP if already ignored. |
1007 | That makes nohup work. */ | |
1008 | if (! noninteractive | |
1009 | || signal (SIGHUP, SIG_IGN) != SIG_IGN) | |
1010 | signal (SIGHUP, fatal_error_signal); | |
57e3d22a | 1011 | sigunblock (sigmask (SIGHUP)); |
1efa2983 KH |
1012 | } |
1013 | ||
f927c5ae JB |
1014 | if ( |
1015 | #ifndef CANNOT_DUMP | |
1016 | ! noninteractive || initialized | |
1017 | #else | |
1018 | 1 | |
1019 | #endif | |
1020 | ) | |
1021 | { | |
1efa2983 | 1022 | /* Don't catch these signals in batch mode if dumping. |
f927c5ae JB |
1023 | On some machines, this sets static data that would make |
1024 | signal fail to work right when the dumped Emacs is run. */ | |
f927c5ae JB |
1025 | signal (SIGQUIT, fatal_error_signal); |
1026 | signal (SIGILL, fatal_error_signal); | |
1027 | signal (SIGTRAP, fatal_error_signal); | |
7317d9e8 RS |
1028 | #ifdef SIGUSR1 |
1029 | signal (SIGUSR1, handle_USR1_signal); | |
1030 | #ifdef SIGUSR2 | |
1031 | signal (SIGUSR2, handle_USR2_signal); | |
1032 | #endif | |
1033 | #endif | |
99e372cd RS |
1034 | #ifdef SIGABRT |
1035 | signal (SIGABRT, fatal_error_signal); | |
1036 | #endif | |
1037 | #ifdef SIGHWE | |
1038 | signal (SIGHWE, fatal_error_signal); | |
1039 | #endif | |
1040 | #ifdef SIGPRE | |
1041 | signal (SIGPRE, fatal_error_signal); | |
1042 | #endif | |
1043 | #ifdef SIGORE | |
1044 | signal (SIGORE, fatal_error_signal); | |
1045 | #endif | |
1046 | #ifdef SIGUME | |
1047 | signal (SIGUME, fatal_error_signal); | |
1048 | #endif | |
1049 | #ifdef SIGDLK | |
1050 | signal (SIGDLK, fatal_error_signal); | |
1051 | #endif | |
1052 | #ifdef SIGCPULIM | |
1053 | signal (SIGCPULIM, fatal_error_signal); | |
1054 | #endif | |
a90538cb JB |
1055 | #ifdef SIGIOT |
1056 | /* This is missing on some systems - OS/2, for example. */ | |
f927c5ae | 1057 | signal (SIGIOT, fatal_error_signal); |
a90538cb | 1058 | #endif |
f927c5ae JB |
1059 | #ifdef SIGEMT |
1060 | signal (SIGEMT, fatal_error_signal); | |
1061 | #endif | |
1062 | signal (SIGFPE, fatal_error_signal); | |
00eaaa32 | 1063 | #ifdef SIGBUS |
f927c5ae | 1064 | signal (SIGBUS, fatal_error_signal); |
00eaaa32 | 1065 | #endif |
f927c5ae | 1066 | signal (SIGSEGV, fatal_error_signal); |
00eaaa32 | 1067 | #ifdef SIGSYS |
f927c5ae | 1068 | signal (SIGSYS, fatal_error_signal); |
00eaaa32 | 1069 | #endif |
f927c5ae JB |
1070 | signal (SIGTERM, fatal_error_signal); |
1071 | #ifdef SIGXCPU | |
1072 | signal (SIGXCPU, fatal_error_signal); | |
1073 | #endif | |
1074 | #ifdef SIGXFSZ | |
1075 | signal (SIGXFSZ, fatal_error_signal); | |
1076 | #endif /* SIGXFSZ */ | |
1077 | ||
271c7b7c RS |
1078 | #ifdef SIGDANGER |
1079 | /* This just means available memory is getting low. */ | |
1080 | signal (SIGDANGER, memory_warning_signal); | |
1081 | #endif | |
1082 | ||
f927c5ae | 1083 | #ifdef AIX |
56e034fa RS |
1084 | /* 20 is SIGCHLD, 21 is SIGTTIN, 22 is SIGTTOU. */ |
1085 | signal (SIGXCPU, fatal_error_signal); | |
0aef8561 | 1086 | #ifndef _I386 |
f927c5ae | 1087 | signal (SIGIOINT, fatal_error_signal); |
0aef8561 | 1088 | #endif |
f927c5ae JB |
1089 | signal (SIGGRANT, fatal_error_signal); |
1090 | signal (SIGRETRACT, fatal_error_signal); | |
1091 | signal (SIGSOUND, fatal_error_signal); | |
1092 | signal (SIGMSG, fatal_error_signal); | |
1093 | #endif /* AIX */ | |
1094 | } | |
1095 | ||
1096 | noninteractive1 = noninteractive; | |
1097 | ||
1098 | /* Perform basic initializations (not merely interning symbols) */ | |
1099 | ||
1100 | if (!initialized) | |
1101 | { | |
1102 | init_alloc_once (); | |
1103 | init_obarray (); | |
1104 | init_eval_once (); | |
270ce821 KH |
1105 | init_charset_once (); |
1106 | init_coding_once (); | |
f927c5ae | 1107 | init_syntax_once (); /* Create standard syntax table. */ |
270ce821 | 1108 | init_category_once (); /* Create standard category table. */ |
f927c5ae JB |
1109 | /* Must be done before init_buffer */ |
1110 | init_casetab_once (); | |
1111 | init_buffer_once (); /* Create buffer table and some buffers */ | |
1112 | init_minibuf_once (); /* Create list of minibuffers */ | |
90d920b6 GM |
1113 | /* Must precede init_window_once */ |
1114 | ||
1115 | /* Call syms_of_xfaces before init_window_once because that | |
1116 | function creates Vterminal_frame. Termcap frames now use | |
1117 | faces, and the face implementation uses some symbols as | |
1118 | face names. */ | |
90d920b6 | 1119 | syms_of_xfaces (); |
7a18af49 KR |
1120 | /* Call syms_of_keyboard before init_window_once because |
1121 | keyboard sets up symbols that include some face names that | |
1122 | the X support will want to use. This can happen when | |
1123 | CANNOT_DUMP is defined. */ | |
1124 | syms_of_keyboard (); | |
90d920b6 | 1125 | |
1a578e9b | 1126 | #ifdef macintosh |
c1e279c2 AC |
1127 | /* init_window_once calls make_terminal_frame which on Mac OS |
1128 | creates a full-fledge output_mac type frame. This does not | |
1129 | work correctly before syms_of_textprop, syms_of_macfns, | |
1130 | syms_of_ccl, syms_of_fontset, syms_of_xterm, syms_of_search, | |
1131 | syms_of_frame, x_term_init, and init_keyboard have already | |
1132 | been called. */ | |
1a578e9b AC |
1133 | syms_of_textprop (); |
1134 | syms_of_macfns (); | |
1135 | syms_of_ccl (); | |
1136 | syms_of_fontset (); | |
1137 | syms_of_macterm (); | |
1138 | syms_of_macmenu (); | |
1139 | syms_of_data (); | |
1140 | syms_of_search (); | |
c1e279c2 | 1141 | syms_of_frame (); |
1a578e9b AC |
1142 | |
1143 | x_term_init (); | |
1144 | init_keyboard (); | |
1145 | #endif | |
1146 | ||
f927c5ae | 1147 | init_window_once (); /* Init the window system */ |
680256a8 | 1148 | init_fileio_once (); /* Must precede any path manipulation. */ |
f927c5ae JB |
1149 | } |
1150 | ||
1151 | init_alloc (); | |
68c45bf0 PE |
1152 | |
1153 | if (do_initial_setlocale) | |
1154 | { | |
1155 | fixup_locale (); | |
ca9c0567 PE |
1156 | Vsystem_messages_locale = Vprevious_system_messages_locale; |
1157 | Vsystem_time_locale = Vprevious_system_time_locale; | |
68c45bf0 PE |
1158 | } |
1159 | ||
f927c5ae JB |
1160 | init_eval (); |
1161 | init_data (); | |
ad067ea6 | 1162 | #ifdef CLASH_DETECTION |
01f67d2c | 1163 | init_filelock (); |
ad067ea6 | 1164 | #endif |
ab5d0358 | 1165 | init_atimer (); |
7074fde6 | 1166 | running_asynch_code = 0; |
0e956009 | 1167 | |
a08a816a RS |
1168 | /* Handle --unibyte and the EMACS_UNIBYTE envvar, |
1169 | but not while dumping. */ | |
1170 | if ( | |
1171 | #ifndef CANNOT_DUMP | |
1172 | ! noninteractive || initialized | |
1173 | #else | |
1174 | 1 | |
1175 | #endif | |
1176 | ) | |
1177 | { | |
1178 | int inhibit_unibyte = 0; | |
1179 | ||
1180 | /* --multibyte overrides EMACS_UNIBYTE. */ | |
1181 | if (argmatch (argv, argc, "-no-unibyte", "--no-unibyte", 4, NULL, &skip_args) | |
1182 | || argmatch (argv, argc, "-multibyte", "--multibyte", 4, NULL, &skip_args)) | |
1183 | inhibit_unibyte = 1; | |
1184 | ||
1185 | /* --unibyte requests that we set up to do everything with single-byte | |
1186 | buffers and strings. We need to handle this before calling | |
1187 | init_lread, init_editfns and other places that generate Lisp strings | |
1188 | from text in the environment. */ | |
c0218e1b DL |
1189 | /* Actually this shouldn't be needed as of 20.4 in a generally |
1190 | unibyte environment. As handa says, environment values | |
1191 | aren't now decoded; also existing buffers are now made | |
1192 | unibyte during startup if .emacs sets unibyte. Tested with | |
1193 | 8-bit data in environment variables and /etc/passwd, setting | |
1194 | unibyte and Latin-1 in .emacs. -- Dave Love */ | |
a08a816a RS |
1195 | if (argmatch (argv, argc, "-unibyte", "--unibyte", 4, NULL, &skip_args) |
1196 | || argmatch (argv, argc, "-no-multibyte", "--no-multibyte", 4, NULL, &skip_args) | |
1197 | || (getenv ("EMACS_UNIBYTE") && !inhibit_unibyte)) | |
1198 | { | |
1199 | Lisp_Object old_log_max; | |
1200 | Lisp_Object symbol, tail; | |
1201 | ||
1202 | symbol = intern ("default-enable-multibyte-characters"); | |
1203 | Fset (symbol, Qnil); | |
1204 | ||
6524291c KH |
1205 | if (initialized) |
1206 | { | |
1207 | /* Erase pre-dump messages in *Messages* now so no abort. */ | |
1208 | old_log_max = Vmessage_log_max; | |
1209 | XSETFASTINT (Vmessage_log_max, 0); | |
1210 | message_dolog ("", 0, 1, 0); | |
1211 | Vmessage_log_max = old_log_max; | |
1212 | } | |
a08a816a | 1213 | |
3e75bb9e | 1214 | for (tail = Vbuffer_alist; CONSP (tail); |
7539e11f | 1215 | tail = XCDR (tail)) |
a08a816a RS |
1216 | { |
1217 | Lisp_Object buffer; | |
1218 | ||
7539e11f | 1219 | buffer = Fcdr (XCAR (tail)); |
a08a816a RS |
1220 | /* Verify that all buffers are empty now, as they |
1221 | ought to be. */ | |
1222 | if (BUF_Z (XBUFFER (buffer)) > BUF_BEG (XBUFFER (buffer))) | |
1223 | abort (); | |
1224 | /* It is safe to do this crudely in an empty buffer. */ | |
1225 | XBUFFER (buffer)->enable_multibyte_characters = Qnil; | |
1226 | } | |
1227 | } | |
1228 | } | |
1229 | ||
956e3c7e | 1230 | no_loadup |
b96f9fb7 | 1231 | = argmatch (argv, argc, "-nl", "--no-loadup", 6, NULL, &skip_args); |
956e3c7e RS |
1232 | |
1233 | ||
1234 | #ifdef HAVE_X_WINDOWS | |
1235 | /* Stupid kludge to catch command-line display spec. We can't | |
1236 | handle this argument entirely in window system dependent code | |
1237 | because we don't even know which window system dependent code | |
1238 | to run until we've recognized this argument. */ | |
1239 | { | |
1240 | char *displayname = 0; | |
956e3c7e RS |
1241 | int count_before = skip_args; |
1242 | ||
1243 | /* Skip any number of -d options, but only use the last one. */ | |
1244 | while (1) | |
1245 | { | |
1246 | int count_before_this = skip_args; | |
1247 | ||
1248 | if (argmatch (argv, argc, "-d", "--display", 3, &displayname, &skip_args)) | |
1249 | display_arg = 1; | |
1250 | else if (argmatch (argv, argc, "-display", 0, 3, &displayname, &skip_args)) | |
1251 | display_arg = 1; | |
1252 | else | |
1253 | break; | |
1254 | ||
1255 | count_before = count_before_this; | |
1256 | } | |
1257 | ||
1258 | /* If we have the form --display=NAME, | |
1259 | convert it into -d name. | |
1260 | This requires inserting a new element into argv. */ | |
1261 | if (displayname != 0 && skip_args - count_before == 1) | |
1262 | { | |
1263 | char **new = (char **) xmalloc (sizeof (char *) * (argc + 2)); | |
1264 | int j; | |
1265 | ||
1266 | for (j = 0; j < count_before + 1; j++) | |
1267 | new[j] = argv[j]; | |
1268 | new[count_before + 1] = "-d"; | |
1269 | new[count_before + 2] = displayname; | |
1270 | for (j = count_before + 2; j <argc; j++) | |
1271 | new[j + 1] = argv[j]; | |
1272 | argv = new; | |
1273 | argc++; | |
1274 | } | |
1275 | /* Change --display to -d, when its arg is separate. */ | |
1276 | else if (displayname != 0 && skip_args > count_before | |
1277 | && argv[count_before + 1][1] == '-') | |
1278 | argv[count_before + 1] = "-d"; | |
1279 | ||
1280 | /* Don't actually discard this arg. */ | |
1281 | skip_args = count_before; | |
1282 | } | |
1283 | #endif | |
1284 | ||
1285 | /* argmatch must not be used after here, | |
1286 | except when bulding temacs | |
1287 | because the -d argument has not been skipped in skip_args. */ | |
1288 | ||
29b89fe0 RS |
1289 | #ifdef MSDOS |
1290 | /* Call early 'cause init_environment needs it. */ | |
1291 | init_dosfns (); | |
1292 | /* Set defaults for several environment variables. */ | |
18198bb2 RS |
1293 | if (initialized) |
1294 | init_environment (argc, argv, skip_args); | |
1295 | else | |
d1fc6752 | 1296 | tzset (); |
18198bb2 | 1297 | #endif /* MSDOS */ |
29b89fe0 | 1298 | |
8ba50e1a GV |
1299 | #ifdef WINDOWSNT |
1300 | /* Initialize environment from registry settings. */ | |
a3a58294 | 1301 | init_environment (argv); |
41f339d4 | 1302 | init_ntproc (); /* must precede init_editfns */ |
8ba50e1a GV |
1303 | #endif |
1304 | ||
0e956009 JB |
1305 | /* egetenv is a pretty low-level facility, which may get called in |
1306 | many circumstances; it seems flimsy to put off initializing it | |
1307 | until calling init_callproc. */ | |
1308 | set_process_environment (); | |
93aed04d RS |
1309 | /* AIX crashes are reported in system versions 3.2.3 and 3.2.4 |
1310 | if this is not done. Do it after set_process_environment so that we | |
1311 | don't pollute Vprocess_environment. */ | |
fa09a82d DL |
1312 | /* Setting LANG here will defeat the startup locale processing... */ |
1313 | #ifdef AIX3_2 | |
93aed04d RS |
1314 | putenv ("LANG=C"); |
1315 | #endif | |
0e956009 | 1316 | |
ace40a69 RS |
1317 | init_buffer (); /* Init default directory of main buffer */ |
1318 | ||
7928f0b5 | 1319 | init_callproc_1 (); /* Must precede init_cmdargs and init_sys_modes. */ |
ace40a69 | 1320 | init_cmdargs (argc, argv, skip_args); /* Must precede init_lread. */ |
380e25b8 RS |
1321 | |
1322 | if (initialized) | |
1323 | { | |
1324 | /* Erase any pre-dump messages in the message log, to avoid confusion */ | |
1325 | Lisp_Object old_log_max; | |
1326 | old_log_max = Vmessage_log_max; | |
1327 | XSETFASTINT (Vmessage_log_max, 0); | |
f6fe7bb5 | 1328 | message_dolog ("", 0, 1, 0); |
380e25b8 RS |
1329 | Vmessage_log_max = old_log_max; |
1330 | } | |
1331 | ||
7928f0b5 | 1332 | init_callproc (); /* Must follow init_cmdargs but not init_sys_modes. */ |
fb8e9847 | 1333 | init_lread (); |
f927c5ae | 1334 | |
8bb697c0 RS |
1335 | /* Intern the names of all standard functions and variables; |
1336 | define standard keys. */ | |
f927c5ae JB |
1337 | |
1338 | if (!initialized) | |
1339 | { | |
1340 | /* The basic levels of Lisp must come first */ | |
1341 | /* And data must come first of all | |
1342 | for the sake of symbols like error-message */ | |
1a578e9b AC |
1343 | #ifndef macintosh |
1344 | /* Called before init_window_once for Mac OS. */ | |
f927c5ae | 1345 | syms_of_data (); |
1a578e9b | 1346 | #endif |
f927c5ae | 1347 | syms_of_alloc (); |
fb8e9847 | 1348 | syms_of_lread (); |
f927c5ae JB |
1349 | syms_of_print (); |
1350 | syms_of_eval (); | |
1351 | syms_of_fns (); | |
f927c5ae | 1352 | syms_of_floatfns (); |
f927c5ae JB |
1353 | |
1354 | syms_of_abbrev (); | |
1355 | syms_of_buffer (); | |
1356 | syms_of_bytecode (); | |
1357 | syms_of_callint (); | |
1358 | syms_of_casefiddle (); | |
1359 | syms_of_casetab (); | |
1360 | syms_of_callproc (); | |
270ce821 | 1361 | syms_of_category (); |
1a578e9b AC |
1362 | #ifndef macintosh |
1363 | /* Called before init_window_once for Mac OS. */ | |
270ce821 | 1364 | syms_of_ccl (); |
1a578e9b | 1365 | #endif |
270ce821 | 1366 | syms_of_charset (); |
f927c5ae JB |
1367 | syms_of_cmds (); |
1368 | #ifndef NO_DIR_LIBRARY | |
1369 | syms_of_dired (); | |
1370 | #endif /* not NO_DIR_LIBRARY */ | |
1371 | syms_of_display (); | |
1372 | syms_of_doc (); | |
1373 | syms_of_editfns (); | |
1374 | syms_of_emacs (); | |
1375 | syms_of_fileio (); | |
270ce821 | 1376 | syms_of_coding (); /* This should be after syms_of_fileio. */ |
f927c5ae JB |
1377 | #ifdef CLASH_DETECTION |
1378 | syms_of_filelock (); | |
1379 | #endif /* CLASH_DETECTION */ | |
1380 | syms_of_indent (); | |
c2c5ed2c | 1381 | syms_of_insdel (); |
f927c5ae JB |
1382 | syms_of_keymap (); |
1383 | syms_of_macros (); | |
1384 | syms_of_marker (); | |
1385 | syms_of_minibuf (); | |
1386 | syms_of_mocklisp (); | |
f927c5ae | 1387 | syms_of_process (); |
1a578e9b AC |
1388 | #ifndef macintosh |
1389 | /* Called before init_window_once for Mac OS. */ | |
f927c5ae | 1390 | syms_of_search (); |
1cbd5d9d | 1391 | syms_of_frame (); |
c1e279c2 | 1392 | #endif |
f927c5ae | 1393 | syms_of_syntax (); |
0d934e7b | 1394 | syms_of_term (); |
f927c5ae | 1395 | syms_of_undo (); |
90d920b6 GM |
1396 | #ifdef HAVE_SOUND |
1397 | syms_of_sound (); | |
1398 | #endif | |
1a578e9b AC |
1399 | #ifndef macintosh |
1400 | /* Called before init_window_once for Mac OS. */ | |
bef79ee4 | 1401 | syms_of_textprop (); |
1a578e9b | 1402 | #endif |
9d100795 | 1403 | syms_of_composite (); |
f927c5ae JB |
1404 | #ifdef VMS |
1405 | syms_of_vmsproc (); | |
1406 | #endif /* VMS */ | |
05687c54 RS |
1407 | #ifdef WINDOWSNT |
1408 | syms_of_ntproc (); | |
1409 | #endif /* WINDOWSNT */ | |
f927c5ae JB |
1410 | syms_of_window (); |
1411 | syms_of_xdisp (); | |
1412 | #ifdef HAVE_X_WINDOWS | |
72412588 | 1413 | syms_of_xterm (); |
f927c5ae | 1414 | syms_of_xfns (); |
270ce821 | 1415 | syms_of_fontset (); |
72412588 JB |
1416 | #ifdef HAVE_X11 |
1417 | syms_of_xselect (); | |
1418 | #endif | |
f927c5ae JB |
1419 | #endif /* HAVE_X_WINDOWS */ |
1420 | ||
1e9c210b | 1421 | #ifndef HAVE_NTGUI |
1a578e9b | 1422 | #ifndef macintosh |
6c850f3c | 1423 | syms_of_xmenu (); |
1e9c210b | 1424 | #endif |
1a578e9b | 1425 | #endif |
6c850f3c | 1426 | |
8ba50e1a | 1427 | #ifdef HAVE_NTGUI |
fbd6baed GV |
1428 | syms_of_w32term (); |
1429 | syms_of_w32fns (); | |
fbd6baed GV |
1430 | syms_of_w32select (); |
1431 | syms_of_w32menu (); | |
02062ac3 | 1432 | syms_of_fontset (); |
8ba50e1a GV |
1433 | #endif /* HAVE_NTGUI */ |
1434 | ||
f927c5ae JB |
1435 | #ifdef SYMS_SYSTEM |
1436 | SYMS_SYSTEM; | |
1437 | #endif | |
1438 | ||
1439 | #ifdef SYMS_MACHINE | |
1440 | SYMS_MACHINE; | |
1441 | #endif | |
1442 | ||
1443 | keys_of_casefiddle (); | |
1444 | keys_of_cmds (); | |
1445 | keys_of_buffer (); | |
1446 | keys_of_keyboard (); | |
1447 | keys_of_keymap (); | |
1448 | keys_of_macros (); | |
1449 | keys_of_minibuf (); | |
1450 | keys_of_window (); | |
5e67fbc2 | 1451 | keys_of_frame (); |
f927c5ae JB |
1452 | } |
1453 | ||
8bb697c0 RS |
1454 | if (!noninteractive) |
1455 | { | |
1456 | #ifdef VMS | |
1457 | init_vms_input ();/* init_display calls get_frame_size, that needs this */ | |
1458 | #endif /* VMS */ | |
1459 | init_display (); /* Determine terminal type. init_sys_modes uses results */ | |
1460 | } | |
1a578e9b AC |
1461 | #ifndef macintosh |
1462 | /* Called before init_window_once for Mac OS. */ | |
8bb697c0 | 1463 | init_keyboard (); /* This too must precede init_sys_modes */ |
1a578e9b | 1464 | #endif |
8bb697c0 RS |
1465 | #ifdef VMS |
1466 | init_vmsproc (); /* And this too. */ | |
1467 | #endif /* VMS */ | |
1468 | init_sys_modes (); /* Init system terminal modes (RAW or CBREAK, etc.) */ | |
90d920b6 GM |
1469 | #ifdef HAVE_X_WINDOWS |
1470 | init_xfns (); | |
1471 | #endif /* HAVE_X_WINDOWS */ | |
1472 | init_fns (); | |
8bb697c0 RS |
1473 | init_xdisp (); |
1474 | init_macros (); | |
1475 | init_editfns (); | |
8bb697c0 | 1476 | init_floatfns (); |
8bb697c0 RS |
1477 | #ifdef VMS |
1478 | init_vmsfns (); | |
1479 | #endif /* VMS */ | |
1480 | init_process (); | |
90d920b6 GM |
1481 | #ifdef HAVE_SOUND |
1482 | init_sound (); | |
1483 | #endif | |
75816372 | 1484 | init_window (); |
8bb697c0 | 1485 | |
f927c5ae JB |
1486 | if (!initialized) |
1487 | { | |
e2925360 | 1488 | char *file; |
303901fb | 1489 | /* Handle -l loadup, args passed by Makefile. */ |
df6530f8 | 1490 | if (argmatch (argv, argc, "-l", "--load", 3, &file, &skip_args)) |
f927c5ae | 1491 | Vtop_level = Fcons (intern ("load"), |
e2925360 | 1492 | Fcons (build_string (file), Qnil)); |
f927c5ae JB |
1493 | #ifdef CANNOT_DUMP |
1494 | /* Unless next switch is -nl, load "loadup.el" first thing. */ | |
956e3c7e | 1495 | if (! no_loadup) |
f927c5ae JB |
1496 | Vtop_level = Fcons (intern ("load"), |
1497 | Fcons (build_string ("loadup.el"), Qnil)); | |
1498 | #endif /* CANNOT_DUMP */ | |
1499 | } | |
1500 | ||
93572b43 KH |
1501 | if (initialized) |
1502 | { | |
0269dedb RS |
1503 | #ifdef HAVE_TZSET |
1504 | { | |
1505 | /* If the execution TZ happens to be the same as the dump TZ, | |
1506 | change it to some other value and then change it back, | |
1507 | to force the underlying implementation to reload the TZ info. | |
1508 | This is needed on implementations that load TZ info from files, | |
1509 | since the TZ file contents may differ between dump and execution. */ | |
1510 | char *tz = getenv ("TZ"); | |
1511 | if (tz && !strcmp (tz, dump_tz)) | |
1512 | { | |
1513 | ++*tz; | |
1514 | tzset (); | |
1515 | --*tz; | |
1516 | } | |
1517 | } | |
1518 | #endif | |
93572b43 KH |
1519 | } |
1520 | ||
37a0ae84 GM |
1521 | /* Set up for profiling. This is known to work on FreeBSD and |
1522 | GNU/Linux. It might work on some other systems too. Give it a | |
1523 | try and tell us if it works on your system. To compile for | |
1524 | profiling use something like `make CFLAGS="-pg -g -O -DPROFILING=1'. */ | |
6a97197e | 1525 | #if defined (__FreeBSD__) || defined (__linux) |
e610ea43 RS |
1526 | #ifdef PROFILING |
1527 | if (initialized) | |
1528 | { | |
1529 | extern void _mcleanup (); | |
1530 | extern char etext; | |
90d920b6 | 1531 | extern void safe_bcopy (); |
67a5596f GM |
1532 | extern void dump_opcode_frequencies (); |
1533 | ||
e610ea43 | 1534 | atexit (_mcleanup); |
90d920b6 GM |
1535 | /* This uses safe_bcopy because that function comes first in the |
1536 | Emacs executable. It might be better to use something that | |
1537 | gives the start of the text segment, but start_of_text is not | |
1538 | defined on all systems now. */ | |
1539 | monstartup (safe_bcopy, &etext); | |
e610ea43 RS |
1540 | } |
1541 | else | |
1542 | moncontrol (0); | |
1543 | #endif | |
1544 | #endif | |
1545 | ||
f927c5ae JB |
1546 | initialized = 1; |
1547 | ||
e7536cff RS |
1548 | #ifdef LOCALTIME_CACHE |
1549 | /* Some versions of localtime have a bug. They cache the value of the time | |
279cc2b8 JB |
1550 | zone rather than looking it up every time. Since localtime() is |
1551 | called to bolt the undumping time into the undumped emacs, this | |
afe9fae9 RS |
1552 | results in localtime ignoring the TZ environment variable. |
1553 | This flushes the new TZ value into localtime. */ | |
1554 | tzset (); | |
e7536cff | 1555 | #endif /* defined (LOCALTIME_CACHE) */ |
279cc2b8 | 1556 | |
f927c5ae JB |
1557 | /* Enter editor command loop. This never returns. */ |
1558 | Frecursive_edit (); | |
1559 | /* NOTREACHED */ | |
6bbd7a29 | 1560 | return 0; |
f927c5ae JB |
1561 | } |
1562 | \f | |
081bef73 RS |
1563 | /* Sort the args so we can find the most important ones |
1564 | at the beginning of argv. */ | |
1565 | ||
1566 | /* First, here's a table of all the standard options. */ | |
1567 | ||
1568 | struct standard_args | |
1569 | { | |
1570 | char *name; | |
1571 | char *longname; | |
1572 | int priority; | |
1573 | int nargs; | |
1574 | }; | |
1575 | ||
1576 | struct standard_args standard_args[] = | |
1577 | { | |
05922407 RS |
1578 | { "-version", "--version", 150, 0 }, |
1579 | #ifdef HAVE_SHM | |
1580 | { "-nl", "--no-shared-memory", 140, 0 }, | |
1581 | #endif | |
2725719a | 1582 | #ifdef VMS |
05922407 | 1583 | { "-map", "--map-data", 130, 0 }, |
2725719a | 1584 | #endif |
05922407 RS |
1585 | { "-t", "--terminal", 120, 1 }, |
1586 | { "-nw", "--no-windows", 110, 0 }, | |
1587 | { "-batch", "--batch", 100, 0 }, | |
1588 | { "-help", "--help", 90, 0 }, | |
956e3c7e RS |
1589 | { "-no-unibyte", "--no-unibyte", 83, 0 }, |
1590 | { "-multibyte", "--multibyte", 82, 0 }, | |
1591 | { "-unibyte", "--unibyte", 81, 0 }, | |
1592 | { "-no-multibyte", "--no-multibyte", 80, 0 }, | |
05922407 | 1593 | #ifdef CANNOT_DUMP |
956e3c7e | 1594 | { "-nl", "--no-loadup", 70, 0 }, |
05922407 | 1595 | #endif |
956e3c7e RS |
1596 | /* -d must come last before the options handled in startup.el. */ |
1597 | { "-d", "--display", 60, 1 }, | |
1598 | { "-display", 0, 60, 1 }, | |
05922407 | 1599 | /* Now for the options handled in startup.el. */ |
081bef73 RS |
1600 | { "-q", "--no-init-file", 50, 0 }, |
1601 | { "-no-init-file", 0, 50, 0 }, | |
1602 | { "-no-site-file", "--no-site-file", 40, 0 }, | |
1603 | { "-u", "--user", 30, 1 }, | |
1604 | { "-user", 0, 30, 1 }, | |
1605 | { "-debug-init", "--debug-init", 20, 0 }, | |
adab4483 KH |
1606 | { "-i", "--icon-type", 15, 0 }, |
1607 | { "-itype", 0, 15, 0 }, | |
f2bc3538 | 1608 | { "-iconic", "--iconic", 15, 0 }, |
081bef73 RS |
1609 | { "-bg", "--background-color", 10, 1 }, |
1610 | { "-background", 0, 10, 1 }, | |
1611 | { "-fg", "--foreground-color", 10, 1 }, | |
1612 | { "-foreground", 0, 10, 1 }, | |
1613 | { "-bd", "--border-color", 10, 1 }, | |
1614 | { "-bw", "--border-width", 10, 1 }, | |
1615 | { "-ib", "--internal-border", 10, 1 }, | |
1616 | { "-ms", "--mouse-color", 10, 1 }, | |
1617 | { "-cr", "--cursor-color", 10, 1 }, | |
1618 | { "-fn", "--font", 10, 1 }, | |
1619 | { "-font", 0, 10, 1 }, | |
1620 | { "-g", "--geometry", 10, 1 }, | |
1621 | { "-geometry", 0, 10, 1 }, | |
1622 | { "-T", "--title", 10, 1 }, | |
ae63ae52 | 1623 | { "-title", 0, 10, 1 }, |
081bef73 RS |
1624 | { "-name", "--name", 10, 1 }, |
1625 | { "-xrm", "--xrm", 10, 1 }, | |
fcdeb5d9 RS |
1626 | { "-r", "--reverse-video", 5, 0 }, |
1627 | { "-rv", 0, 5, 0 }, | |
1628 | { "-reverse", 0, 5, 0 }, | |
ae63ae52 | 1629 | { "-hb", "--horizontal-scroll-bars", 5, 0 }, |
fcdeb5d9 | 1630 | { "-vb", "--vertical-scroll-bars", 5, 0 }, |
fcdeb5d9 RS |
1631 | /* These have the same priority as ordinary file name args, |
1632 | so they are not reordered with respect to those. */ | |
4af9e0b3 RS |
1633 | { "-L", "--directory", 0, 1 }, |
1634 | { "-directory", 0, 0, 1 }, | |
fcdeb5d9 RS |
1635 | { "-l", "--load", 0, 1 }, |
1636 | { "-load", 0, 0, 1 }, | |
1637 | { "-f", "--funcall", 0, 1 }, | |
1638 | { "-funcall", 0, 0, 1 }, | |
575985b1 | 1639 | { "-eval", "--eval", 0, 1 }, |
67a5596f | 1640 | { "-execute", "--execute", 0, 1 }, |
2e13f8e9 RS |
1641 | { "-find-file", "--find-file", 0, 1 }, |
1642 | { "-visit", "--visit", 0, 1 }, | |
67a5596f | 1643 | { "-file", "--file", 0, 1 }, |
fcdeb5d9 | 1644 | { "-insert", "--insert", 0, 1 }, |
f2bc3538 | 1645 | /* This should be processed after ordinary file name args and the like. */ |
fcdeb5d9 | 1646 | { "-kill", "--kill", -10, 0 }, |
081bef73 RS |
1647 | }; |
1648 | ||
1649 | /* Reorder the elements of ARGV (assumed to have ARGC elements) | |
1650 | so that the highest priority ones come first. | |
1651 | Do not change the order of elements of equal priority. | |
956e3c7e RS |
1652 | If an option takes an argument, keep it and its argument together. |
1653 | ||
1654 | If an option that takes no argument appears more | |
1655 | than once, eliminate all but one copy of it. */ | |
081bef73 RS |
1656 | |
1657 | static void | |
1658 | sort_args (argc, argv) | |
1659 | int argc; | |
1660 | char **argv; | |
1661 | { | |
1662 | char **new = (char **) xmalloc (sizeof (char *) * argc); | |
1663 | /* For each element of argv, | |
1664 | the corresponding element of options is: | |
1665 | 0 for an option that takes no arguments, | |
1666 | 1 for an option that takes one argument, etc. | |
1667 | -1 for an ordinary non-option argument. */ | |
6dad9359 | 1668 | int *options = (int *) xmalloc (sizeof (int) * argc); |
081bef73 RS |
1669 | int *priority = (int *) xmalloc (sizeof (int) * argc); |
1670 | int to = 1; | |
956e3c7e | 1671 | int incoming_used = 1; |
081bef73 RS |
1672 | int from; |
1673 | int i; | |
1674 | ||
1675 | /* Categorize all the options, | |
1676 | and figure out which argv elts are option arguments. */ | |
1677 | for (from = 1; from < argc; from++) | |
1678 | { | |
1679 | options[from] = -1; | |
fcdeb5d9 | 1680 | priority[from] = 0; |
081bef73 RS |
1681 | if (argv[from][0] == '-') |
1682 | { | |
1683 | int match, thislen; | |
1684 | char *equals; | |
1685 | ||
c96f26f4 RS |
1686 | /* If we have found "--", don't consider |
1687 | any more arguments as options. */ | |
249443b6 | 1688 | if (argv[from][1] == '-' && argv[from][2] == 0) |
c96f26f4 RS |
1689 | { |
1690 | /* Leave the "--", and everything following it, at the end. */ | |
1691 | for (; from < argc; from++) | |
1692 | { | |
1693 | priority[from] = -100; | |
1694 | options[from] = -1; | |
1695 | } | |
1696 | break; | |
1697 | } | |
1698 | ||
081bef73 RS |
1699 | /* Look for a match with a known old-fashioned option. */ |
1700 | for (i = 0; i < sizeof (standard_args) / sizeof (standard_args[0]); i++) | |
1701 | if (!strcmp (argv[from], standard_args[i].name)) | |
1702 | { | |
1703 | options[from] = standard_args[i].nargs; | |
1704 | priority[from] = standard_args[i].priority; | |
fd76ec52 RS |
1705 | if (from + standard_args[i].nargs >= argc) |
1706 | fatal ("Option `%s' requires an argument\n", argv[from]); | |
081bef73 RS |
1707 | from += standard_args[i].nargs; |
1708 | goto done; | |
1709 | } | |
1710 | ||
1711 | /* Look for a match with a known long option. | |
1712 | MATCH is -1 if no match so far, -2 if two or more matches so far, | |
1713 | >= 0 (the table index of the match) if just one match so far. */ | |
1714 | if (argv[from][1] == '-') | |
1715 | { | |
1716 | match = -1; | |
1717 | thislen = strlen (argv[from]); | |
1718 | equals = index (argv[from], '='); | |
1719 | if (equals != 0) | |
1720 | thislen = equals - argv[from]; | |
1721 | ||
f609ef57 KH |
1722 | for (i = 0; |
1723 | i < sizeof (standard_args) / sizeof (standard_args[0]); i++) | |
1724 | if (standard_args[i].longname | |
1725 | && !strncmp (argv[from], standard_args[i].longname, | |
1726 | thislen)) | |
081bef73 RS |
1727 | { |
1728 | if (match == -1) | |
1729 | match = i; | |
1730 | else | |
1731 | match = -2; | |
1732 | } | |
1733 | ||
1734 | /* If we found exactly one match, use that. */ | |
1735 | if (match >= 0) | |
1736 | { | |
1737 | options[from] = standard_args[match].nargs; | |
1738 | priority[from] = standard_args[match].priority; | |
1739 | /* If --OPTION=VALUE syntax is used, | |
1740 | this option uses just one argv element. */ | |
1741 | if (equals != 0) | |
1742 | options[from] = 0; | |
fd76ec52 RS |
1743 | if (from + options[from] >= argc) |
1744 | fatal ("Option `%s' requires an argument\n", argv[from]); | |
081bef73 RS |
1745 | from += options[from]; |
1746 | } | |
1747 | } | |
1748 | done: ; | |
1749 | } | |
1750 | } | |
1751 | ||
1752 | /* Copy the arguments, in order of decreasing priority, to NEW. */ | |
1753 | new[0] = argv[0]; | |
956e3c7e | 1754 | while (incoming_used < argc) |
081bef73 RS |
1755 | { |
1756 | int best = -1; | |
2c70c992 | 1757 | int best_priority = -9999; |
081bef73 RS |
1758 | |
1759 | /* Find the highest priority remaining option. | |
1760 | If several have equal priority, take the first of them. */ | |
1761 | for (from = 1; from < argc; from++) | |
1762 | { | |
1763 | if (argv[from] != 0 && priority[from] > best_priority) | |
1764 | { | |
1765 | best_priority = priority[from]; | |
1766 | best = from; | |
1767 | } | |
1768 | /* Skip option arguments--they are tied to the options. */ | |
1769 | if (options[from] > 0) | |
1770 | from += options[from]; | |
1771 | } | |
1772 | ||
1773 | if (best < 0) | |
1774 | abort (); | |
1775 | ||
956e3c7e RS |
1776 | /* Copy the highest priority remaining option, with its args, to NEW. |
1777 | Unless it is a duplicate of the previous one. */ | |
1778 | if (! (options[best] == 0 | |
1779 | && ! strcmp (new[to - 1], argv[best]))) | |
1780 | { | |
1781 | new[to++] = argv[best]; | |
1782 | for (i = 0; i < options[best]; i++) | |
1783 | new[to++] = argv[best + i + 1]; | |
1784 | } | |
1785 | ||
1786 | incoming_used += 1 + (options[best] > 0 ? options[best] : 0); | |
081bef73 RS |
1787 | |
1788 | /* Clear out this option in ARGV. */ | |
1789 | argv[best] = 0; | |
1790 | for (i = 0; i < options[best]; i++) | |
1791 | argv[best + i + 1] = 0; | |
1792 | } | |
1793 | ||
81b7af72 RS |
1794 | /* If duplicate options were deleted, fill up extra space with null ptrs. */ |
1795 | while (to < argc) | |
1796 | new[to++] = 0; | |
1797 | ||
6dad9359 | 1798 | bcopy (new, argv, sizeof (char *) * argc); |
0bf591da RS |
1799 | |
1800 | free (options); | |
1801 | free (new); | |
1802 | free (priority); | |
081bef73 RS |
1803 | } |
1804 | \f | |
f927c5ae | 1805 | DEFUN ("kill-emacs", Fkill_emacs, Skill_emacs, 0, 1, "P", |
edc8ae07 | 1806 | "Exit the Emacs job and kill it.\n\ |
f927c5ae JB |
1807 | If ARG is an integer, return ARG as the exit program code.\n\ |
1808 | If ARG is a string, stuff it as keyboard input.\n\n\ | |
1809 | The value of `kill-emacs-hook', if not void,\n\ | |
1810 | is a list of functions (of no args),\n\ | |
1811 | all of which are called before Emacs is actually killed.") | |
1812 | (arg) | |
1813 | Lisp_Object arg; | |
1814 | { | |
f927c5ae JB |
1815 | struct gcpro gcpro1; |
1816 | ||
1817 | GCPRO1 (arg); | |
1818 | ||
1819 | if (feof (stdin)) | |
1820 | arg = Qt; | |
1821 | ||
2447c626 | 1822 | if (!NILP (Vrun_hooks) && !noninteractive) |
f927c5ae JB |
1823 | call1 (Vrun_hooks, intern ("kill-emacs-hook")); |
1824 | ||
f927c5ae JB |
1825 | UNGCPRO; |
1826 | ||
1827 | /* Is it really necessary to do this deassign | |
1828 | when we are going to exit anyway? */ | |
1829 | /* #ifdef VMS | |
1830 | stop_vms_input (); | |
1831 | #endif */ | |
40be253a | 1832 | |
d0068e25 | 1833 | shut_down_emacs (0, 0, STRINGP (arg) ? arg : Qnil); |
40be253a | 1834 | |
58545838 KH |
1835 | /* If we have an auto-save list file, |
1836 | kill it because we are exiting Emacs deliberately (not crashing). | |
1837 | Do it after shut_down_emacs, which does an auto-save. */ | |
1838 | if (STRINGP (Vauto_save_list_file_name)) | |
1839 | unlink (XSTRING (Vauto_save_list_file_name)->data); | |
1840 | ||
55ccc0b3 | 1841 | exit (INTEGERP (arg) ? XINT (arg) |
f927c5ae JB |
1842 | #ifdef VMS |
1843 | : 1 | |
1844 | #else | |
1845 | : 0 | |
1846 | #endif | |
1847 | ); | |
1848 | /* NOTREACHED */ | |
1849 | } | |
40be253a JB |
1850 | |
1851 | ||
1852 | /* Perform an orderly shutdown of Emacs. Autosave any modified | |
1853 | buffers, kill any child processes, clean up the terminal modes (if | |
1854 | we're in the foreground), and other stuff like that. Don't perform | |
1855 | any redisplay; this may be called when Emacs is shutting down in | |
1856 | the background, or after its X connection has died. | |
1857 | ||
1858 | If SIG is a signal number, print a message for it. | |
1859 | ||
1860 | This is called by fatal signal handlers, X protocol error handlers, | |
1861 | and Fkill_emacs. */ | |
f7ab4e3d | 1862 | |
40be253a | 1863 | void |
f7ab4e3d | 1864 | shut_down_emacs (sig, no_x, stuff) |
41423a80 | 1865 | int sig, no_x; |
f7ab4e3d | 1866 | Lisp_Object stuff; |
40be253a | 1867 | { |
829d872b RS |
1868 | /* Prevent running of hooks from now on. */ |
1869 | Vrun_hooks = Qnil; | |
1870 | ||
40be253a JB |
1871 | /* If we are controlling the terminal, reset terminal modes */ |
1872 | #ifdef EMACS_HAVE_TTY_PGRP | |
1873 | { | |
d04d81d2 RS |
1874 | int pgrp = EMACS_GETPGRP (0); |
1875 | ||
40be253a JB |
1876 | int tpgrp; |
1877 | if (EMACS_GET_TTY_PGRP (0, &tpgrp) != -1 | |
5a570e37 | 1878 | && tpgrp == pgrp) |
40be253a JB |
1879 | { |
1880 | fflush (stdout); | |
1881 | reset_sys_modes (); | |
1882 | if (sig && sig != SIGTERM) | |
1883 | fprintf (stderr, "Fatal error (%d).", sig); | |
1884 | } | |
1885 | } | |
1886 | #else | |
1887 | fflush (stdout); | |
1888 | reset_sys_modes (); | |
1889 | #endif | |
1890 | ||
f7ab4e3d RS |
1891 | stuff_buffered_input (stuff); |
1892 | ||
40be253a JB |
1893 | kill_buffer_processes (Qnil); |
1894 | Fdo_auto_save (Qt, Qnil); | |
1895 | ||
1896 | #ifdef CLASH_DETECTION | |
1897 | unlock_all_files (); | |
1898 | #endif | |
1899 | ||
1900 | #ifdef VMS | |
1901 | kill_vms_processes (); | |
1902 | #endif | |
1903 | ||
5e7f8733 | 1904 | #if 0 /* This triggers a bug in XCloseDisplay and is not needed. */ |
41423a80 | 1905 | #ifdef HAVE_X_WINDOWS |
f7511647 RS |
1906 | /* It's not safe to call intern here. Maybe we are crashing. */ |
1907 | if (!noninteractive && SYMBOLP (Vwindow_system) | |
1908 | && XSYMBOL (Vwindow_system)->name->size == 1 | |
1909 | && XSYMBOL (Vwindow_system)->name->data[0] == 'x' | |
1910 | && ! no_x) | |
41423a80 RS |
1911 | Fx_close_current_connection (); |
1912 | #endif /* HAVE_X_WINDOWS */ | |
5e7f8733 | 1913 | #endif |
41423a80 | 1914 | |
40be253a JB |
1915 | #ifdef SIGIO |
1916 | /* There is a tendency for a SIGIO signal to arrive within exit, | |
1917 | and cause a SIGHUP because the input descriptor is already closed. */ | |
1918 | unrequest_sigio (); | |
1919 | signal (SIGIO, SIG_IGN); | |
1920 | #endif | |
41f339d4 RS |
1921 | |
1922 | #ifdef WINDOWSNT | |
1923 | term_ntproc (); | |
1924 | #endif | |
d546e578 | 1925 | |
cd8d4168 GM |
1926 | /* Do this only if terminating normally, we want glyph matrices |
1927 | etc. in a core dump. */ | |
200f868e | 1928 | if (sig == 0 || sig == SIGTERM) |
cd8d4168 GM |
1929 | { |
1930 | check_glyph_memory (); | |
1931 | check_message_stack (); | |
1932 | } | |
90d920b6 | 1933 | |
d546e578 EZ |
1934 | #ifdef MSDOS |
1935 | dos_cleanup (); | |
1936 | #endif | |
40be253a JB |
1937 | } |
1938 | ||
1939 | ||
f927c5ae JB |
1940 | \f |
1941 | #ifndef CANNOT_DUMP | |
f927c5ae JB |
1942 | |
1943 | #ifdef HAVE_SHM | |
1944 | ||
1945 | DEFUN ("dump-emacs-data", Fdump_emacs_data, Sdump_emacs_data, 1, 1, 0, | |
1946 | "Dump current state of Emacs into data file FILENAME.\n\ | |
1947 | This function exists on systems that use HAVE_SHM.") | |
c9aae259 EN |
1948 | (filename) |
1949 | Lisp_Object filename; | |
f927c5ae | 1950 | { |
55697f5b | 1951 | extern char my_edata[]; |
f927c5ae | 1952 | Lisp_Object tem; |
f927c5ae | 1953 | |
4fab758d | 1954 | check_pure_size (); |
c9aae259 EN |
1955 | CHECK_STRING (filename, 0); |
1956 | filename = Fexpand_file_name (filename, Qnil); | |
f927c5ae JB |
1957 | |
1958 | tem = Vpurify_flag; | |
1959 | Vpurify_flag = Qnil; | |
1960 | ||
1961 | fflush (stdout); | |
1962 | /* Tell malloc where start of impure now is */ | |
1963 | /* Also arrange for warnings when nearly out of space. */ | |
1964 | #ifndef SYSTEM_MALLOC | |
1090a161 | 1965 | memory_warnings (my_edata, malloc_warning); |
f927c5ae | 1966 | #endif |
c9aae259 | 1967 | map_out_data (XSTRING (filename)->data); |
f927c5ae JB |
1968 | |
1969 | Vpurify_flag = tem; | |
1970 | ||
1971 | return Qnil; | |
1972 | } | |
1973 | ||
1974 | #else /* not HAVE_SHM */ | |
1975 | ||
1976 | DEFUN ("dump-emacs", Fdump_emacs, Sdump_emacs, 2, 2, 0, | |
1977 | "Dump current state of Emacs into executable file FILENAME.\n\ | |
1978 | Take symbols from SYMFILE (presumably the file you executed to run Emacs).\n\ | |
1979 | This is used in the file `loadup.el' when building Emacs.\n\ | |
1980 | \n\ | |
87a98b1a | 1981 | You must run Emacs in batch mode in order to dump it.") |
c9aae259 EN |
1982 | (filename, symfile) |
1983 | Lisp_Object filename, symfile; | |
f927c5ae | 1984 | { |
55697f5b | 1985 | extern char my_edata[]; |
f927c5ae | 1986 | Lisp_Object tem; |
1b7ddf4f | 1987 | Lisp_Object symbol; |
4fab758d GM |
1988 | int count = BINDING_STACK_SIZE (); |
1989 | ||
1990 | check_pure_size (); | |
f927c5ae | 1991 | |
87a98b1a RS |
1992 | if (! noninteractive) |
1993 | error ("Dumping Emacs works only in batch mode"); | |
1994 | ||
1b7ddf4f RS |
1995 | /* Bind `command-line-processed' to nil before dumping, |
1996 | so that the dumped Emacs will process its command line | |
1997 | and set up to work with X windows if appropriate. */ | |
1998 | symbol = intern ("command-line-process"); | |
1999 | specbind (symbol, Qnil); | |
2000 | ||
c9aae259 EN |
2001 | CHECK_STRING (filename, 0); |
2002 | filename = Fexpand_file_name (filename, Qnil); | |
2003 | if (!NILP (symfile)) | |
f927c5ae | 2004 | { |
c9aae259 EN |
2005 | CHECK_STRING (symfile, 0); |
2006 | if (XSTRING (symfile)->size) | |
2007 | symfile = Fexpand_file_name (symfile, Qnil); | |
f927c5ae JB |
2008 | } |
2009 | ||
2010 | tem = Vpurify_flag; | |
2011 | Vpurify_flag = Qnil; | |
2012 | ||
0269dedb RS |
2013 | #ifdef HAVE_TZSET |
2014 | set_time_zone_rule (dump_tz); | |
2015 | #ifndef LOCALTIME_CACHE | |
2016 | /* Force a tz reload, since set_time_zone_rule doesn't. */ | |
2017 | tzset (); | |
2018 | #endif | |
2019 | #endif | |
2020 | ||
f927c5ae JB |
2021 | fflush (stdout); |
2022 | #ifdef VMS | |
c9aae259 | 2023 | mapout_data (XSTRING (filename)->data); |
f927c5ae JB |
2024 | #else |
2025 | /* Tell malloc where start of impure now is */ | |
2026 | /* Also arrange for warnings when nearly out of space. */ | |
2027 | #ifndef SYSTEM_MALLOC | |
cc5f52cb RS |
2028 | #ifndef WINDOWSNT |
2029 | /* On Windows, this was done before dumping, and that once suffices. | |
2030 | Meanwhile, my_edata is not valid on Windows. */ | |
cb37cf78 | 2031 | memory_warnings (my_edata, malloc_warning); |
cc5f52cb | 2032 | #endif /* not WINDOWSNT */ |
15aaf1b5 RS |
2033 | #endif |
2034 | #ifdef DOUG_LEA_MALLOC | |
2035 | malloc_state_ptr = malloc_get_state (); | |
f927c5ae | 2036 | #endif |
2b7377ca | 2037 | |
a74c5ec1 | 2038 | #ifdef USE_MMAP_FOR_BUFFERS |
2b7377ca GM |
2039 | mmap_set_vars (0); |
2040 | #endif | |
c9aae259 EN |
2041 | unexec (XSTRING (filename)->data, |
2042 | !NILP (symfile) ? XSTRING (symfile)->data : 0, my_edata, 0, 0); | |
a74c5ec1 | 2043 | #ifdef USE_MMAP_FOR_BUFFERS |
2b7377ca GM |
2044 | mmap_set_vars (1); |
2045 | #endif | |
15aaf1b5 RS |
2046 | #ifdef DOUG_LEA_MALLOC |
2047 | free (malloc_state_ptr); | |
2048 | #endif | |
f927c5ae JB |
2049 | #endif /* not VMS */ |
2050 | ||
2051 | Vpurify_flag = tem; | |
2052 | ||
1b7ddf4f | 2053 | return unbind_to (count, Qnil); |
f927c5ae JB |
2054 | } |
2055 | ||
2056 | #endif /* not HAVE_SHM */ | |
2057 | ||
2058 | #endif /* not CANNOT_DUMP */ | |
2059 | \f | |
68c45bf0 PE |
2060 | #if HAVE_SETLOCALE |
2061 | /* Recover from setlocale (LC_ALL, ""). */ | |
2062 | void | |
2063 | fixup_locale () | |
2064 | { | |
68c45bf0 PE |
2065 | /* The Emacs Lisp reader needs LC_NUMERIC to be "C", |
2066 | so that numbers are read and printed properly for Emacs Lisp. */ | |
2067 | setlocale (LC_NUMERIC, "C"); | |
68c45bf0 PE |
2068 | } |
2069 | ||
0c8559bb PE |
2070 | /* Set system locale CATEGORY, with previous locale *PLOCALE, to |
2071 | DESIRED_LOCALE. */ | |
68c45bf0 PE |
2072 | static void |
2073 | synchronize_locale (category, plocale, desired_locale) | |
2074 | int category; | |
2075 | Lisp_Object *plocale; | |
2076 | Lisp_Object desired_locale; | |
2077 | { | |
0c8559bb PE |
2078 | if (! EQ (*plocale, desired_locale)) |
2079 | { | |
2080 | *plocale = desired_locale; | |
2081 | setlocale (category, (STRINGP (desired_locale) | |
59c65f1e | 2082 | ? (char *)(XSTRING (desired_locale)->data) |
0c8559bb PE |
2083 | : "")); |
2084 | } | |
68c45bf0 PE |
2085 | } |
2086 | ||
ca9c0567 | 2087 | /* Set system time locale to match Vsystem_time_locale, if possible. */ |
68c45bf0 | 2088 | void |
ca9c0567 | 2089 | synchronize_system_time_locale () |
68c45bf0 | 2090 | { |
ca9c0567 PE |
2091 | synchronize_locale (LC_TIME, &Vprevious_system_time_locale, |
2092 | Vsystem_time_locale); | |
68c45bf0 PE |
2093 | } |
2094 | ||
ca9c0567 PE |
2095 | /* Set system messages locale to match Vsystem_messages_locale, if |
2096 | possible. */ | |
68c45bf0 | 2097 | void |
ca9c0567 | 2098 | synchronize_system_messages_locale () |
68c45bf0 PE |
2099 | { |
2100 | #ifdef LC_MESSAGES | |
ca9c0567 PE |
2101 | synchronize_locale (LC_MESSAGES, &Vprevious_system_messages_locale, |
2102 | Vsystem_messages_locale); | |
68c45bf0 PE |
2103 | #endif |
2104 | } | |
2105 | #endif /* HAVE_SETLOCALE */ | |
2106 | \f | |
4b163808 | 2107 | #ifndef SEPCHAR |
f927c5ae JB |
2108 | #define SEPCHAR ':' |
2109 | #endif | |
2110 | ||
2111 | Lisp_Object | |
2112 | decode_env_path (evarname, defalt) | |
2113 | char *evarname, *defalt; | |
2114 | { | |
2115 | register char *path, *p; | |
213d0b1f | 2116 | Lisp_Object lpath, element, tem; |
f927c5ae | 2117 | |
2447c626 JB |
2118 | /* It's okay to use getenv here, because this function is only used |
2119 | to initialize variables when Emacs starts up, and isn't called | |
2120 | after that. */ | |
e065a56e JB |
2121 | if (evarname != 0) |
2122 | path = (char *) getenv (evarname); | |
2123 | else | |
2124 | path = 0; | |
f927c5ae JB |
2125 | if (!path) |
2126 | path = defalt; | |
6a30e6d6 RS |
2127 | #ifdef DOS_NT |
2128 | /* Ensure values from the environment use the proper directory separator. */ | |
2129 | if (path) | |
2130 | { | |
2131 | p = alloca (strlen (path) + 1); | |
2132 | strcpy (p, path); | |
2133 | path = p; | |
2134 | ||
2135 | if ('/' == DIRECTORY_SEP) | |
2136 | dostounix_filename (path); | |
2137 | else | |
2138 | unixtodos_filename (path); | |
2139 | } | |
2140 | #endif | |
f927c5ae JB |
2141 | lpath = Qnil; |
2142 | while (1) | |
2143 | { | |
2144 | p = index (path, SEPCHAR); | |
2145 | if (!p) p = path + strlen (path); | |
213d0b1f RS |
2146 | element = (p - path ? make_string (path, p - path) |
2147 | : build_string (".")); | |
2148 | ||
2149 | /* Add /: to the front of the name | |
2150 | if it would otherwise be treated as magic. */ | |
2151 | tem = Ffind_file_name_handler (element, Qt); | |
2152 | if (! NILP (tem)) | |
2153 | element = concat2 (build_string ("/:"), element); | |
2154 | ||
2155 | lpath = Fcons (element, lpath); | |
f927c5ae JB |
2156 | if (*p) |
2157 | path = p + 1; | |
2158 | else | |
2159 | break; | |
2160 | } | |
2161 | return Fnreverse (lpath); | |
2162 | } | |
2163 | ||
dfcf069d | 2164 | void |
f927c5ae JB |
2165 | syms_of_emacs () |
2166 | { | |
213d0b1f RS |
2167 | Qfile_name_handler_alist = intern ("file-name-handler-alist"); |
2168 | staticpro (&Qfile_name_handler_alist); | |
2169 | ||
83591e66 | 2170 | #ifndef CANNOT_DUMP |
f927c5ae JB |
2171 | #ifdef HAVE_SHM |
2172 | defsubr (&Sdump_emacs_data); | |
2173 | #else | |
2174 | defsubr (&Sdump_emacs); | |
83591e66 | 2175 | #endif |
f927c5ae JB |
2176 | #endif |
2177 | ||
2178 | defsubr (&Skill_emacs); | |
2179 | ||
59653951 | 2180 | defsubr (&Sinvocation_name); |
ace40a69 | 2181 | defsubr (&Sinvocation_directory); |
59653951 | 2182 | |
f927c5ae JB |
2183 | DEFVAR_LISP ("command-line-args", &Vcommand_line_args, |
2184 | "Args passed by shell to Emacs, as a list of strings."); | |
2185 | ||
2186 | DEFVAR_LISP ("system-type", &Vsystem_type, | |
2187 | "Value is symbol indicating type of operating system you are using."); | |
2188 | Vsystem_type = intern (SYSTEM_TYPE); | |
2189 | ||
271c7b7c | 2190 | DEFVAR_LISP ("system-configuration", &Vsystem_configuration, |
69bf528e AI |
2191 | "Value is string indicating configuration Emacs was built for.\n\ |
2192 | On MS-Windows, the value reflects the OS flavor and version on which\n\ | |
2193 | Emacs is running."); | |
f7511647 | 2194 | Vsystem_configuration = build_string (EMACS_CONFIGURATION); |
271c7b7c | 2195 | |
f0fc0b1a KH |
2196 | DEFVAR_LISP ("system-configuration-options", &Vsystem_configuration_options, |
2197 | "String containing the configuration options Emacs was built with."); | |
2198 | Vsystem_configuration_options = build_string (EMACS_CONFIG_OPTIONS); | |
2199 | ||
f927c5ae JB |
2200 | DEFVAR_BOOL ("noninteractive", &noninteractive1, |
2201 | "Non-nil means Emacs is running without interactive terminal."); | |
e5d77022 | 2202 | |
e5d77022 | 2203 | DEFVAR_LISP ("kill-emacs-hook", &Vkill_emacs_hook, |
edc8ae07 JB |
2204 | "Hook to be run whenever kill-emacs is called.\n\ |
2205 | Since kill-emacs may be invoked when the terminal is disconnected (or\n\ | |
2206 | in other similar situations), functions placed on this hook should not\n\ | |
9f232a5d RS |
2207 | expect to be able to interact with the user. To ask for confirmation,\n\ |
2208 | see `kill-emacs-query-functions' instead."); | |
edc8ae07 | 2209 | Vkill_emacs_hook = Qnil; |
3005da00 | 2210 | |
7317d9e8 RS |
2211 | #ifdef SIGUSR1 |
2212 | DEFVAR_LISP ("signal-USR1-hook", &Vsignal_USR1_hook, | |
3e75bb9e | 2213 | "Hook to be run whenever emacs receives a USR1 signal"); |
7317d9e8 RS |
2214 | Vsignal_USR1_hook = Qnil; |
2215 | #ifdef SIGUSR2 | |
2216 | DEFVAR_LISP ("signal-USR2-hook", &Vsignal_USR2_hook, | |
3e75bb9e | 2217 | "Hook to be run whenever emacs receives a USR2 signal"); |
7317d9e8 RS |
2218 | Vsignal_USR2_hook = Qnil; |
2219 | #endif | |
2220 | #endif | |
2221 | ||
2222 | ||
3005da00 RS |
2223 | DEFVAR_INT ("emacs-priority", &emacs_priority, |
2224 | "Priority for Emacs to run at.\n\ | |
2225 | This value is effective only if set before Emacs is dumped,\n\ | |
2226 | and only if the Emacs executable is installed with setuid to permit\n\ | |
621ecf99 | 2227 | it to change priority. (Emacs sets its uid back to the real uid.)\n\ |
a422068f | 2228 | Currently, you need to define SET_EMACS_PRIORITY in `config.h'\n\ |
e7a9e1c3 RS |
2229 | before you compile Emacs, to enable the code for this feature."); |
2230 | emacs_priority = 0; | |
074a066b GV |
2231 | |
2232 | DEFVAR_LISP ("path-separator", &Vpath_separator, | |
2233 | "The directory separator in search paths, as a string."); | |
2234 | { | |
2235 | char c = SEPCHAR; | |
2236 | Vpath_separator = make_string (&c, 1); | |
2237 | } | |
59653951 | 2238 | |
f67de86f RS |
2239 | DEFVAR_LISP ("invocation-name", &Vinvocation_name, |
2240 | "The program name that was used to run Emacs.\n\ | |
2241 | Any directory names are omitted."); | |
2242 | ||
2243 | DEFVAR_LISP ("invocation-directory", &Vinvocation_directory, | |
2244 | "The directory in which the Emacs executable was found, to run it.\n\ | |
2245 | The value is nil if that directory's name is not known."); | |
2246 | ||
2247 | DEFVAR_LISP ("installation-directory", &Vinstallation_directory, | |
2248 | "A directory within which to look for the `lib-src' and `etc' directories.\n\ | |
2249 | This is non-nil when we can't find those directories in their standard\n\ | |
2250 | installed locations, but we can find them\n\ | |
2251 | near where the Emacs executable was found."); | |
07f4d123 | 2252 | Vinstallation_directory = Qnil; |
68c45bf0 | 2253 | |
ca9c0567 | 2254 | DEFVAR_LISP ("system-messages-locale", &Vsystem_messages_locale, |
68c45bf0 | 2255 | "System locale for messages."); |
ca9c0567 | 2256 | Vsystem_messages_locale = Qnil; |
68c45bf0 | 2257 | |
ca9c0567 PE |
2258 | DEFVAR_LISP ("previous-system-messages-locale", |
2259 | &Vprevious_system_messages_locale, | |
68c45bf0 | 2260 | "Most recently used system locale for messages."); |
ca9c0567 | 2261 | Vprevious_system_messages_locale = Qnil; |
68c45bf0 | 2262 | |
ca9c0567 | 2263 | DEFVAR_LISP ("system-time-locale", &Vsystem_time_locale, |
68c45bf0 | 2264 | "System locale for time."); |
ca9c0567 | 2265 | Vsystem_time_locale = Qnil; |
68c45bf0 | 2266 | |
ca9c0567 | 2267 | DEFVAR_LISP ("previous-system-time-locale", &Vprevious_system_time_locale, |
68c45bf0 | 2268 | "Most recently used system locale for time."); |
ca9c0567 | 2269 | Vprevious_system_time_locale = Qnil; |
f927c5ae | 2270 | } |