Commit | Line | Data |
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f927c5ae | 1 | /* Fully extensible Emacs, running on Unix, intended for GNU. |
3f6abfd7 | 2 | Copyright (C) 1985,86,87,93,94,95,97,98,1999,2001,02,2003 |
6c145d35 | 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 | ||
edd3ff1d JR |
43 | #ifdef WINDOWSNT |
44 | #include <fcntl.h> | |
45 | #endif | |
46 | ||
f927c5ae JB |
47 | #include "lisp.h" |
48 | #include "commands.h" | |
bef79ee4 | 49 | #include "intervals.h" |
a08a816a | 50 | #include "buffer.h" |
3f6abfd7 | 51 | #include "window.h" |
f927c5ae | 52 | |
edc8ae07 | 53 | #include "systty.h" |
6c3a4e9d | 54 | #include "blockinput.h" |
8090eb09 | 55 | #include "syssignal.h" |
6c362a8b | 56 | #include "process.h" |
428a555e | 57 | #include "frame.h" |
5bda49c6 | 58 | #include "termhooks.h" |
dfcf069d | 59 | #include "keyboard.h" |
e35f6ff7 | 60 | #include "keymap.h" |
a41f8bed | 61 | |
68c45bf0 PE |
62 | #ifdef HAVE_SETLOCALE |
63 | #include <locale.h> | |
64 | #endif | |
65 | ||
53c58b5d RS |
66 | #ifdef HAVE_SETRLIMIT |
67 | #include <sys/time.h> | |
68 | #include <sys/resource.h> | |
69 | #endif | |
70 | ||
f927c5ae JB |
71 | #ifndef O_RDWR |
72 | #define O_RDWR 2 | |
73 | #endif | |
74 | ||
f95c3f91 | 75 | #ifdef HAVE_SETPGID |
2b7e8799 | 76 | #if !defined (USG) || defined (BSD_PGRPS) |
90553aa3 | 77 | #undef setpgrp |
f95c3f91 GM |
78 | #define setpgrp setpgid |
79 | #endif | |
2b7e8799 | 80 | #endif |
f95c3f91 | 81 | |
90553aa3 DL |
82 | extern void malloc_warning P_ ((char *)); |
83 | extern void set_time_zone_rule P_ ((char *)); | |
8892f40b GM |
84 | #ifdef HAVE_INDEX |
85 | extern char *index P_ ((const char *, int)); | |
86 | #endif | |
43165242 | 87 | |
30aa3f19 GM |
88 | /* Make these values available in GDB, which doesn't see macros. */ |
89 | ||
90 | EMACS_INT gdb_valbits = VALBITS; | |
91 | EMACS_INT gdb_gctypebits = GCTYPEBITS; | |
92 | EMACS_INT gdb_emacs_intbits = sizeof (EMACS_INT) * BITS_PER_CHAR; | |
93 | #ifdef DATA_SEG_BITS | |
94 | EMACS_INT gdb_data_seg_bits = DATA_SEG_BITS; | |
95 | #else | |
df50cf6c | 96 | EMACS_INT gdb_data_seg_bits = 0; |
30aa3f19 | 97 | #endif |
00da0e4a | 98 | EMACS_INT PVEC_FLAG = PSEUDOVECTOR_FLAG; |
30aa3f19 | 99 | |
7db35a48 | 100 | /* Command line args from shell, as list of strings. */ |
f927c5ae JB |
101 | Lisp_Object Vcommand_line_args; |
102 | ||
59653951 JB |
103 | /* The name under which Emacs was invoked, with any leading directory |
104 | names discarded. */ | |
105 | Lisp_Object Vinvocation_name; | |
106 | ||
ace40a69 RS |
107 | /* The directory name from which Emacs was invoked. */ |
108 | Lisp_Object Vinvocation_directory; | |
109 | ||
07f4d123 RS |
110 | /* The directory name in which to find subdirs such as lisp and etc. |
111 | nil means get them only from PATH_LOADSEARCH. */ | |
112 | Lisp_Object Vinstallation_directory; | |
113 | ||
e5d77022 JB |
114 | /* Hook run by `kill-emacs' before it does really anything. */ |
115 | Lisp_Object Vkill_emacs_hook; | |
116 | ||
f9a6326d SM |
117 | /* An empty lisp string. To avoid having to build any other. */ |
118 | Lisp_Object empty_string; | |
119 | ||
7317d9e8 | 120 | #ifdef SIGUSR1 |
7db35a48 | 121 | /* Hooks for signal USR1 and USR2 handling. */ |
7317d9e8 RS |
122 | Lisp_Object Vsignal_USR1_hook; |
123 | #ifdef SIGUSR2 | |
124 | Lisp_Object Vsignal_USR2_hook; | |
7db35a48 | 125 | #endif |
7317d9e8 RS |
126 | #endif |
127 | ||
074a066b GV |
128 | /* Search path separator. */ |
129 | Lisp_Object Vpath_separator; | |
130 | ||
f927c5ae JB |
131 | /* Set nonzero after Emacs has started up the first time. |
132 | Prevents reinitialization of the Lisp world and keymaps | |
133 | on subsequent starts. */ | |
134 | int initialized; | |
135 | ||
15aaf1b5 RS |
136 | #ifdef DOUG_LEA_MALLOC |
137 | /* Preserves a pointer to the memory allocated that copies that | |
138 | static data inside glibc's malloc. */ | |
139 | void *malloc_state_ptr; | |
140 | /* From glibc, a routine that returns a copy of the malloc internal state. */ | |
141 | extern void *malloc_get_state (); | |
142 | /* From glibc, a routine that overwrites the malloc internal state. */ | |
143 | extern void malloc_set_state (); | |
7c9cd446 AS |
144 | /* Non-zero if the MALLOC_CHECK_ enviroment variable was set while |
145 | dumping. Used to work around a bug in glibc's malloc. */ | |
146 | int malloc_using_checking; | |
15aaf1b5 RS |
147 | #endif |
148 | ||
271c7b7c | 149 | /* Variable whose value is symbol giving operating system type. */ |
f927c5ae | 150 | Lisp_Object Vsystem_type; |
271c7b7c RS |
151 | |
152 | /* Variable whose value is string giving configuration built for. */ | |
153 | Lisp_Object Vsystem_configuration; | |
f0fc0b1a KH |
154 | |
155 | /* Variable whose value is string giving configuration options, | |
156 | for use when reporting bugs. */ | |
157 | Lisp_Object Vsystem_configuration_options; | |
158 | ||
213d0b1f RS |
159 | Lisp_Object Qfile_name_handler_alist; |
160 | ||
68c45bf0 | 161 | /* Current and previous system locales for messages and time. */ |
ca9c0567 PE |
162 | Lisp_Object Vsystem_messages_locale; |
163 | Lisp_Object Vprevious_system_messages_locale; | |
164 | Lisp_Object Vsystem_time_locale; | |
165 | Lisp_Object Vprevious_system_time_locale; | |
68c45bf0 | 166 | |
7d0393cf | 167 | /* If non-zero, emacs should not attempt to use a window-specific code, |
7db35a48 | 168 | but instead should use the virtual terminal under which it was started. */ |
f927c5ae JB |
169 | int inhibit_window_system; |
170 | ||
5aa7f46a JB |
171 | /* If nonzero, set Emacs to run at this priority. This is also used |
172 | in child_setup and sys_suspend to make sure subshells run at normal | |
7db35a48 | 173 | priority; those functions have their own extern declaration. */ |
31ade731 | 174 | EMACS_INT emacs_priority; |
3005da00 | 175 | |
7db35a48 PJ |
176 | /* If non-zero, a filter or a sentinel is running. Tested to save the match |
177 | data on the first attempt to change it inside asynchronous code. */ | |
7074fde6 FP |
178 | int running_asynch_code; |
179 | ||
647cec74 | 180 | #ifdef BSD_PGRPS |
9ae8f997 JB |
181 | /* See sysdep.c. */ |
182 | extern int inherited_pgroup; | |
183 | #endif | |
184 | ||
f927c5ae | 185 | #ifdef HAVE_X_WINDOWS |
7db35a48 | 186 | /* If non-zero, -d was specified, meaning we're using some window system. */ |
f927c5ae JB |
187 | int display_arg; |
188 | #endif | |
189 | ||
190 | /* An address near the bottom of the stack. | |
191 | Tells GC how to save a copy of the stack. */ | |
192 | char *stack_bottom; | |
193 | ||
8ba50e1a | 194 | #ifdef HAVE_WINDOW_SYSTEM |
2246281f | 195 | extern Lisp_Object Vinitial_window_system; |
8ba50e1a | 196 | #endif /* HAVE_WINDOW_SYSTEM */ |
f927c5ae | 197 | |
1090a161 RS |
198 | extern Lisp_Object Vauto_save_list_file_name; |
199 | ||
f927c5ae JB |
200 | #ifdef USG_SHARED_LIBRARIES |
201 | /* If nonzero, this is the place to put the end of the writable segment | |
202 | at startup. */ | |
203 | ||
204 | unsigned int bss_end = 0; | |
205 | #endif | |
206 | ||
207 | /* Nonzero means running Emacs without interactive terminal. */ | |
208 | ||
209 | int noninteractive; | |
210 | ||
211 | /* Value of Lisp variable `noninteractive'. | |
212 | Normally same as C variable `noninteractive' | |
213 | but nothing terrible happens if user sets this one. */ | |
214 | ||
215 | int noninteractive1; | |
e29f86e4 RS |
216 | |
217 | /* Save argv and argc. */ | |
218 | char **initial_argv; | |
219 | int initial_argc; | |
081bef73 RS |
220 | |
221 | static void sort_args (); | |
dfcf069d | 222 | void syms_of_emacs (); |
bd4590ba | 223 | |
73ebcd25 | 224 | #define USAGE1 "\ |
bd4590ba GM |
225 | Usage: %s [OPTION-OR-FILENAME]...\n\ |
226 | \n\ | |
227 | Run Emacs, the extensible, customizable, self-documenting real-time\n\ | |
228 | display editor. The recommended way to start Emacs for normal editing\n\ | |
229 | is with no options at all.\n\ | |
230 | \n\ | |
231 | Run M-x info RET m emacs RET m command arguments RET inside Emacs to\n\ | |
232 | read the main documentation for these command-line arguments.\n\ | |
233 | \n\ | |
234 | Initialization options:\n\ | |
235 | \n\ | |
236 | --batch do not do interactive display; implies -q\n\ | |
9f43a608 | 237 | --script FILE run FILE as an Emacs Lisp script.\n\ |
bd4590ba GM |
238 | --debug-init enable Emacs Lisp debugger during init file\n\ |
239 | --help display this help message and exit\n\ | |
240 | --multibyte, --no-unibyte run Emacs in multibyte mode\n\ | |
241 | --no-init-file, -q load neither ~/.emacs nor default.el\n\ | |
242 | --no-shared-memory, -nl do not use shared memory\n\ | |
243 | --no-site-file do not load site-start.el\n\ | |
af2bf12f | 244 | --no-splash do not display a splash screen on startup\n\ |
400d6fa9 | 245 | --no-window-system, -nw don't communicate with X, ignoring $DISPLAY\n\ |
bd4590ba GM |
246 | --terminal, -t DEVICE use DEVICE for terminal I/O\n\ |
247 | --unibyte, --no-multibyte run Emacs in unibyte mode\n\ | |
248 | --user, -u USER load ~USER/.emacs instead of your own\n\ | |
249 | --version display version information and exit\n\ | |
250 | \n\ | |
251 | Action options:\n\ | |
252 | \n\ | |
253 | FILE visit FILE using find-file\n\ | |
5333e22e GM |
254 | +LINE FILE visit FILE using find-file, then go to line LINE\n\ |
255 | +LINE:COLUMN FILE visit FILE using find-file, then go to line LINE,\n\ | |
256 | column COLUMN\n\ | |
bd4590ba GM |
257 | --directory, -L DIR add DIR to variable load-path\n\ |
258 | --eval EXPR evaluate Emacs Lisp expression EXPR\n\ | |
259 | --execute EXPR evaluate Emacs Lisp expression EXPR\n\ | |
260 | --find-file FILE visit FILE\n\ | |
261 | --funcall, -f FUNC call Emacs function FUNC with no arguments\n\ | |
262 | --insert FILE insert contents of FILE into current buffer\n\ | |
263 | --kill exit without asking for confirmation\n\ | |
264 | --load, -l FILE load FILE of Emacs Lisp code using the load function\n\ | |
265 | --visit FILE visit FILE\n\ | |
73ebcd25 AI |
266 | \n" |
267 | ||
268 | #define USAGE2 "\ | |
5b2ca26b | 269 | Display options:\n\ |
bd4590ba GM |
270 | \n\ |
271 | --background-color, -bg COLOR window background color\n\ | |
272 | --border-color, -bd COLOR main border color\n\ | |
273 | --border-width, -bw WIDTH width of main border\n\ | |
d20e1b1e EZ |
274 | --color=MODE color mode for character terminals;\n\ |
275 | MODE defaults to `auto', and can also\n\ | |
276 | be `never', `auto', `always',\n\ | |
277 | or a mode name like `ansi8'\n\ | |
bd4590ba GM |
278 | --cursor-color, -cr COLOR color of the Emacs cursor indicating point\n\ |
279 | --display, -d DISPLAY use X server DISPLAY\n\ | |
7db35a48 | 280 | --font, -fn FONT default font; must be fixed-width\n\ |
bd4590ba | 281 | --foreground-color, -fg COLOR window foreground color\n\ |
94452530 EZ |
282 | --fullscreen, -fs make first frame fullscreen\n\ |
283 | --fullwidth, -fw make the first frame wide as the screen\n\ | |
284 | --fullheight, -fh make the first frame high as the screen\n\ | |
bd4590ba GM |
285 | --geometry, -g GEOMETRY window geometry\n\ |
286 | --iconic start Emacs in iconified state\n\ | |
287 | --icon-type, -i use picture of gnu for Emacs icon\n\ | |
288 | --internal-border, -ib WIDTH width between text and main border\n\ | |
ecb5709c | 289 | --line-spacing, -lsp PIXELS additional space to put between lines\n\ |
bd4590ba GM |
290 | --mouse-color, -ms COLOR mouse cursor color in Emacs window\n\ |
291 | --name NAME title of main Emacs window\n\ | |
292 | --reverse-video, -r, -rv switch foreground and background\n\ | |
7db35a48 | 293 | --title, -T, -wn TITLE title for Emacs windows\n\ |
bd4590ba GM |
294 | --vertical-scroll-bars, -vb enable vertical scroll bars\n\ |
295 | --xrm XRESOURCES set additional X resources\n\ | |
296 | \n\ | |
297 | You can generally also specify long option names with a single -; for\n\ | |
298 | example, -batch as well as --batch. You can use any unambiguous\n\ | |
299 | abbreviation for a --option.\n\ | |
300 | \n\ | |
301 | Various environment variables and window system resources also affect\n\ | |
302 | Emacs' operation. See the main documentation.\n\ | |
d883731c PJ |
303 | \n" |
304 | ||
305 | #define USAGE3 "\ | |
306 | Report bugs to %s. First, please see the Bugs\n\ | |
bd4590ba GM |
307 | section of the Emacs manual or the file BUGS.\n" |
308 | ||
f927c5ae | 309 | \f |
7db35a48 | 310 | /* Signal code for the fatal signal that was received. */ |
f927c5ae JB |
311 | int fatal_error_code; |
312 | ||
7db35a48 | 313 | /* Nonzero if handling a fatal error already. */ |
f927c5ae JB |
314 | int fatal_error_in_progress; |
315 | ||
7db35a48 | 316 | /* If non-null, call this function from fatal_error_signal before |
4fab758d GM |
317 | committing suicide. */ |
318 | ||
319 | void (*fatal_error_signal_hook) P_ ((void)); | |
320 | ||
321 | ||
7317d9e8 | 322 | #ifdef SIGUSR1 |
7317d9e8 RS |
323 | SIGTYPE |
324 | handle_USR1_signal (sig) | |
325 | int sig; | |
326 | { | |
5bda49c6 RS |
327 | struct input_event buf; |
328 | ||
75816372 | 329 | bzero (&buf, sizeof buf); |
5b50dae1 | 330 | buf.kind = USER_SIGNAL_EVENT; |
74c2d1c6 | 331 | buf.frame_or_window = selected_frame; |
5bda49c6 RS |
332 | |
333 | kbd_buffer_store_event (&buf); | |
7317d9e8 | 334 | } |
5bda49c6 | 335 | #endif /* SIGUSR1 */ |
fcf01ad3 | 336 | |
7317d9e8 | 337 | #ifdef SIGUSR2 |
7317d9e8 RS |
338 | SIGTYPE |
339 | handle_USR2_signal (sig) | |
340 | int sig; | |
341 | { | |
5bda49c6 RS |
342 | struct input_event buf; |
343 | ||
75816372 | 344 | bzero (&buf, sizeof buf); |
5b50dae1 | 345 | buf.kind = USER_SIGNAL_EVENT; |
e2fa15ff | 346 | buf.code = 1; |
74c2d1c6 | 347 | buf.frame_or_window = selected_frame; |
5bda49c6 RS |
348 | |
349 | kbd_buffer_store_event (&buf); | |
7317d9e8 | 350 | } |
5bda49c6 | 351 | #endif /* SIGUSR2 */ |
7317d9e8 | 352 | |
7db35a48 | 353 | /* Handle bus errors, invalid instruction, etc. */ |
2447c626 | 354 | SIGTYPE |
f927c5ae JB |
355 | fatal_error_signal (sig) |
356 | int sig; | |
357 | { | |
f927c5ae JB |
358 | fatal_error_code = sig; |
359 | signal (sig, SIG_DFL); | |
360 | ||
061b7f94 RS |
361 | TOTALLY_UNBLOCK_INPUT; |
362 | ||
f927c5ae | 363 | /* If fatal error occurs in code below, avoid infinite recursion. */ |
8090eb09 JB |
364 | if (! fatal_error_in_progress) |
365 | { | |
366 | fatal_error_in_progress = 1; | |
f927c5ae | 367 | |
f7ab4e3d | 368 | shut_down_emacs (sig, 0, Qnil); |
8090eb09 | 369 | } |
f927c5ae JB |
370 | |
371 | #ifdef VMS | |
f927c5ae JB |
372 | LIB$STOP (SS$_ABORT); |
373 | #else | |
8090eb09 JB |
374 | /* Signal the same code; this time it will really be fatal. |
375 | Remember that since we're in a signal handler, the signal we're | |
376 | going to send is probably blocked, so we have to unblock it if we | |
377 | want to really receive it. */ | |
29b89fe0 | 378 | #ifndef MSDOS |
a90538cb | 379 | sigunblock (sigmask (fatal_error_code)); |
29b89fe0 | 380 | #endif |
4fab758d GM |
381 | |
382 | if (fatal_error_signal_hook) | |
383 | fatal_error_signal_hook (); | |
7db35a48 | 384 | |
f927c5ae JB |
385 | kill (getpid (), fatal_error_code); |
386 | #endif /* not VMS */ | |
387 | } | |
271c7b7c RS |
388 | |
389 | #ifdef SIGDANGER | |
390 | ||
16c323ee | 391 | /* Handler for SIGDANGER. */ |
271c7b7c RS |
392 | SIGTYPE |
393 | memory_warning_signal (sig) | |
394 | int sig; | |
395 | { | |
396 | signal (sig, memory_warning_signal); | |
397 | ||
398 | malloc_warning ("Operating system warns that virtual memory is running low.\n"); | |
55796183 RS |
399 | |
400 | /* It might be unsafe to call do_auto_save now. */ | |
401 | force_auto_save_soon (); | |
271c7b7c RS |
402 | } |
403 | #endif | |
fcf01ad3 RS |
404 | |
405 | /* We define abort, rather than using it from the library, | |
c9fe9cce | 406 | so that GDB can return from a breakpoint here. |
7db35a48 | 407 | MSDOS has its own definition in msdos.c. */ |
fcf01ad3 | 408 | |
37e2fdd2 | 409 | #if ! defined (DOS_NT) && ! defined (NO_ABORT) |
ca9c0567 PE |
410 | |
411 | #ifndef ABORT_RETURN_TYPE | |
412 | #define ABORT_RETURN_TYPE void | |
413 | #endif | |
414 | ||
415 | ABORT_RETURN_TYPE | |
fcf01ad3 RS |
416 | abort () |
417 | { | |
418 | kill (getpid (), SIGABRT); | |
37e2fdd2 RS |
419 | /* This shouldn't be executed, but it prevents a warning. */ |
420 | exit (1); | |
fcf01ad3 | 421 | } |
c9fe9cce | 422 | #endif |
fcf01ad3 | 423 | |
f927c5ae | 424 | \f |
7db35a48 | 425 | /* Code for dealing with Lisp access to the Unix command line. */ |
f927c5ae | 426 | |
dfcf069d | 427 | static void |
f927c5ae JB |
428 | init_cmdargs (argc, argv, skip_args) |
429 | int argc; | |
430 | char **argv; | |
431 | int skip_args; | |
432 | { | |
433 | register int i; | |
213d0b1f | 434 | Lisp_Object name, dir, tem; |
aed13378 | 435 | int count = SPECPDL_INDEX (); |
213d0b1f | 436 | Lisp_Object raw_name; |
f927c5ae | 437 | |
e29f86e4 RS |
438 | initial_argv = argv; |
439 | initial_argc = argc; | |
440 | ||
213d0b1f RS |
441 | raw_name = build_string (argv[0]); |
442 | ||
443 | /* Add /: to the front of the name | |
444 | if it would otherwise be treated as magic. */ | |
445 | tem = Ffind_file_name_handler (raw_name, Qt); | |
446 | if (! NILP (tem)) | |
447 | raw_name = concat2 (build_string ("/:"), raw_name); | |
448 | ||
449 | Vinvocation_name = Ffile_name_nondirectory (raw_name); | |
450 | Vinvocation_directory = Ffile_name_directory (raw_name); | |
451 | ||
ace40a69 RS |
452 | /* If we got no directory in argv[0], search PATH to find where |
453 | Emacs actually came from. */ | |
454 | if (NILP (Vinvocation_directory)) | |
455 | { | |
456 | Lisp_Object found; | |
457 | int yes = openp (Vexec_path, Vinvocation_name, | |
10c0915e | 458 | Vexec_suffixes, &found, make_number (X_OK)); |
e443f843 | 459 | if (yes == 1) |
213d0b1f RS |
460 | { |
461 | /* Add /: to the front of the name | |
462 | if it would otherwise be treated as magic. */ | |
463 | tem = Ffind_file_name_handler (found, Qt); | |
464 | if (! NILP (tem)) | |
465 | found = concat2 (build_string ("/:"), found); | |
466 | Vinvocation_directory = Ffile_name_directory (found); | |
467 | } | |
ace40a69 | 468 | } |
59653951 | 469 | |
4133b300 RS |
470 | if (!NILP (Vinvocation_directory) |
471 | && NILP (Ffile_name_absolute_p (Vinvocation_directory))) | |
213d0b1f RS |
472 | /* Emacs was started with relative path, like ./emacs. |
473 | Make it absolute. */ | |
4133b300 RS |
474 | Vinvocation_directory = Fexpand_file_name (Vinvocation_directory, Qnil); |
475 | ||
07f4d123 RS |
476 | Vinstallation_directory = Qnil; |
477 | ||
478 | if (!NILP (Vinvocation_directory)) | |
479 | { | |
480 | dir = Vinvocation_directory; | |
481 | name = Fexpand_file_name (Vinvocation_name, dir); | |
482 | while (1) | |
483 | { | |
f5ab9736 | 484 | Lisp_Object tem, lib_src_exists; |
07f4d123 RS |
485 | Lisp_Object etc_exists, info_exists; |
486 | ||
f5ab9736 RS |
487 | /* See if dir contains subdirs for use by Emacs. |
488 | Check for the ones that would exist in a build directory, | |
489 | not including lisp and info. */ | |
490 | tem = Fexpand_file_name (build_string ("lib-src"), dir); | |
491 | lib_src_exists = Ffile_exists_p (tem); | |
de004cc6 | 492 | |
70344b34 | 493 | #ifdef MSDOS |
de004cc6 RS |
494 | /* MSDOS installations frequently remove lib-src, but we still |
495 | must set installation-directory, or else info won't find | |
496 | its files (it uses the value of installation-directory). */ | |
497 | tem = Fexpand_file_name (build_string ("info"), dir); | |
498 | info_exists = Ffile_exists_p (tem); | |
70344b34 EZ |
499 | #else |
500 | info_exists = Qnil; | |
501 | #endif | |
de004cc6 RS |
502 | |
503 | if (!NILP (lib_src_exists) || !NILP (info_exists)) | |
07f4d123 | 504 | { |
f5ab9736 RS |
505 | tem = Fexpand_file_name (build_string ("etc"), dir); |
506 | etc_exists = Ffile_exists_p (tem); | |
507 | if (!NILP (etc_exists)) | |
07f4d123 | 508 | { |
f5ab9736 RS |
509 | Vinstallation_directory |
510 | = Ffile_name_as_directory (dir); | |
511 | break; | |
07f4d123 RS |
512 | } |
513 | } | |
514 | ||
515 | /* See if dir's parent contains those subdirs. */ | |
f5ab9736 RS |
516 | tem = Fexpand_file_name (build_string ("../lib-src"), dir); |
517 | lib_src_exists = Ffile_exists_p (tem); | |
de004cc6 | 518 | |
70344b34 EZ |
519 | |
520 | #ifdef MSDOS | |
521 | /* See the MSDOS commentary above. */ | |
de004cc6 RS |
522 | tem = Fexpand_file_name (build_string ("../info"), dir); |
523 | info_exists = Ffile_exists_p (tem); | |
70344b34 EZ |
524 | #else |
525 | info_exists = Qnil; | |
526 | #endif | |
de004cc6 RS |
527 | |
528 | if (!NILP (lib_src_exists) || !NILP (info_exists)) | |
07f4d123 | 529 | { |
f5ab9736 RS |
530 | tem = Fexpand_file_name (build_string ("../etc"), dir); |
531 | etc_exists = Ffile_exists_p (tem); | |
532 | if (!NILP (etc_exists)) | |
07f4d123 | 533 | { |
f5ab9736 RS |
534 | tem = Fexpand_file_name (build_string (".."), dir); |
535 | Vinstallation_directory | |
536 | = Ffile_name_as_directory (tem); | |
537 | break; | |
07f4d123 RS |
538 | } |
539 | } | |
540 | ||
541 | /* If the Emacs executable is actually a link, | |
542 | next try the dir that the link points into. */ | |
543 | tem = Ffile_symlink_p (name); | |
544 | if (!NILP (tem)) | |
545 | { | |
260ec24d | 546 | name = Fexpand_file_name (tem, dir); |
07f4d123 RS |
547 | dir = Ffile_name_directory (name); |
548 | } | |
549 | else | |
550 | break; | |
551 | } | |
552 | } | |
553 | ||
f927c5ae JB |
554 | Vcommand_line_args = Qnil; |
555 | ||
556 | for (i = argc - 1; i >= 0; i--) | |
557 | { | |
558 | if (i == 0 || i > skip_args) | |
559 | Vcommand_line_args | |
560 | = Fcons (build_string (argv[i]), Vcommand_line_args); | |
561 | } | |
213d0b1f RS |
562 | |
563 | unbind_to (count, Qnil); | |
f927c5ae | 564 | } |
59653951 JB |
565 | |
566 | DEFUN ("invocation-name", Finvocation_name, Sinvocation_name, 0, 0, 0, | |
7db35a48 PJ |
567 | doc: /* Return the program name that was used to run Emacs. |
568 | Any directory names are omitted. */) | |
569 | () | |
59653951 JB |
570 | { |
571 | return Fcopy_sequence (Vinvocation_name); | |
572 | } | |
573 | ||
ace40a69 | 574 | DEFUN ("invocation-directory", Finvocation_directory, Sinvocation_directory, |
7db35a48 PJ |
575 | 0, 0, 0, |
576 | doc: /* Return the directory name in which the Emacs executable was located. */) | |
577 | () | |
ace40a69 RS |
578 | { |
579 | return Fcopy_sequence (Vinvocation_directory); | |
580 | } | |
581 | ||
f927c5ae JB |
582 | \f |
583 | #ifdef VMS | |
584 | #ifdef LINK_CRTL_SHARE | |
34035df3 | 585 | #ifdef SHARABLE_LIB_BUG |
f927c5ae | 586 | extern noshare char **environ; |
34035df3 | 587 | #endif /* SHARABLE_LIB_BUG */ |
f927c5ae JB |
588 | #endif /* LINK_CRTL_SHARE */ |
589 | #endif /* VMS */ | |
590 | ||
0269dedb RS |
591 | #ifdef HAVE_TZSET |
592 | /* A valid but unlikely value for the TZ environment value. | |
593 | It is OK (though a bit slower) if the user actually chooses this value. */ | |
594 | static char dump_tz[] = "UtC0"; | |
595 | #endif | |
596 | ||
a90538cb | 597 | #ifndef ORDINARY_LINK |
efd241cc RS |
598 | /* We don't include crtbegin.o and crtend.o in the link, |
599 | so these functions and variables might be missed. | |
600 | Provide dummy definitions to avoid error. | |
601 | (We don't have any real constructors or destructors.) */ | |
602 | #ifdef __GNUC__ | |
46e65b73 | 603 | #ifndef GCC_CTORS_IN_LIBC |
dfcf069d | 604 | void __do_global_ctors () |
efd241cc | 605 | {} |
dfcf069d | 606 | void __do_global_ctors_aux () |
c83a7064 | 607 | {} |
dfcf069d | 608 | void __do_global_dtors () |
33143604 | 609 | {} |
554061d8 | 610 | /* GNU/Linux has a bug in its library; avoid an error. */ |
8a2a6032 | 611 | #ifndef GNU_LINUX |
c83a7064 | 612 | char * __CTOR_LIST__[2] = { (char *) (-1), 0 }; |
64c1864a | 613 | #endif |
c83a7064 | 614 | char * __DTOR_LIST__[2] = { (char *) (-1), 0 }; |
46e65b73 | 615 | #endif /* GCC_CTORS_IN_LIBC */ |
dfcf069d | 616 | void __main () |
efd241cc | 617 | {} |
efd241cc | 618 | #endif /* __GNUC__ */ |
a90538cb | 619 | #endif /* ORDINARY_LINK */ |
efd241cc | 620 | |
e2925360 KH |
621 | /* Test whether the next argument in ARGV matches SSTR or a prefix of |
622 | LSTR (at least MINLEN characters). If so, then if VALPTR is non-null | |
623 | (the argument is supposed to have a value) store in *VALPTR either | |
624 | the next argument or the portion of this one after the equal sign. | |
625 | ARGV is read starting at position *SKIPPTR; this index is advanced | |
626 | by the number of arguments used. | |
627 | ||
628 | Too bad we can't just use getopt for all of this, but we don't have | |
629 | enough information to do it right. */ | |
081bef73 | 630 | |
e2925360 | 631 | static int |
df6530f8 | 632 | argmatch (argv, argc, sstr, lstr, minlen, valptr, skipptr) |
e2925360 | 633 | char **argv; |
df6530f8 | 634 | int argc; |
e2925360 KH |
635 | char *sstr; |
636 | char *lstr; | |
637 | int minlen; | |
638 | char **valptr; | |
639 | int *skipptr; | |
640 | { | |
6bbd7a29 | 641 | char *p = NULL; |
e2925360 | 642 | int arglen; |
df6530f8 RS |
643 | char *arg; |
644 | ||
645 | /* Don't access argv[argc]; give up in advance. */ | |
646 | if (argc <= *skipptr + 1) | |
647 | return 0; | |
648 | ||
649 | arg = argv[*skipptr+1]; | |
e2925360 KH |
650 | if (arg == NULL) |
651 | return 0; | |
652 | if (strcmp (arg, sstr) == 0) | |
653 | { | |
654 | if (valptr != NULL) | |
655 | { | |
656 | *valptr = argv[*skipptr+2]; | |
657 | *skipptr += 2; | |
658 | } | |
659 | else | |
660 | *skipptr += 1; | |
661 | return 1; | |
662 | } | |
663 | arglen = (valptr != NULL && (p = index (arg, '=')) != NULL | |
664 | ? p - arg : strlen (arg)); | |
c03e1113 | 665 | if (lstr == 0 || arglen < minlen || strncmp (arg, lstr, arglen) != 0) |
e2925360 KH |
666 | return 0; |
667 | else if (valptr == NULL) | |
668 | { | |
669 | *skipptr += 1; | |
670 | return 1; | |
671 | } | |
672 | else if (p != NULL) | |
673 | { | |
674 | *valptr = p+1; | |
675 | *skipptr += 1; | |
676 | return 1; | |
677 | } | |
678 | else if (argv[*skipptr+2] != NULL) | |
679 | { | |
680 | *valptr = argv[*skipptr+2]; | |
681 | *skipptr += 2; | |
682 | return 1; | |
683 | } | |
684 | else | |
685 | { | |
686 | return 0; | |
687 | } | |
688 | } | |
689 | ||
b6779252 | 690 | #ifdef DOUG_LEA_MALLOC |
f927c5ae | 691 | |
b6779252 KH |
692 | /* malloc can be invoked even before main (e.g. by the dynamic |
693 | linker), so the dumped malloc state must be restored as early as | |
694 | possible using this special hook. */ | |
695 | ||
696 | static void | |
697 | malloc_initialize_hook () | |
698 | { | |
1f9c3929 | 699 | #ifndef USE_CRT_DLL |
b6779252 | 700 | extern char **environ; |
1f9c3929 | 701 | #endif |
6000fe37 | 702 | |
15aaf1b5 RS |
703 | if (initialized) |
704 | { | |
7c9cd446 AS |
705 | if (!malloc_using_checking) |
706 | /* Work around a bug in glibc's malloc. MALLOC_CHECK_ must be | |
707 | ignored if the heap to be restored was constructed without | |
d942e12a AS |
708 | malloc checking. Can't use unsetenv, since that calls malloc. */ |
709 | { | |
710 | char **p; | |
711 | ||
a57c4026 | 712 | for (p = environ; p && *p; p++) |
d942e12a AS |
713 | if (strncmp (*p, "MALLOC_CHECK_=", 14) == 0) |
714 | { | |
715 | do | |
716 | *p = p[1]; | |
717 | while (*++p); | |
718 | break; | |
719 | } | |
720 | } | |
b6779252 | 721 | |
15aaf1b5 RS |
722 | malloc_set_state (malloc_state_ptr); |
723 | free (malloc_state_ptr); | |
724 | } | |
7c9cd446 AS |
725 | else |
726 | malloc_using_checking = getenv ("MALLOC_CHECK_") != NULL; | |
b6779252 KH |
727 | } |
728 | ||
729 | void (*__malloc_initialize_hook) () = malloc_initialize_hook; | |
730 | ||
731 | #endif /* DOUG_LEA_MALLOC */ | |
732 | ||
d883731c PJ |
733 | |
734 | #define REPORT_EMACS_BUG_ADDRESS "bug-gnu-emacs@gnu.org" | |
735 | #define REPORT_EMACS_BUG_PRETEST_ADDRESS "emacs-pretest-bug@gnu.org" | |
736 | ||
737 | /* This function is used to determine an address to which bug report should | |
738 | be sent. */ | |
739 | ||
400d6fa9 PJ |
740 | char * |
741 | bug_reporting_address () | |
d883731c | 742 | { |
400d6fa9 | 743 | int count = 0; |
d883731c PJ |
744 | Lisp_Object temp; |
745 | char *string; | |
746 | ||
747 | temp = Fsymbol_value (intern ("emacs-version")); | |
748 | ||
749 | /* When `emacs-version' is invalid, use normal address. */ | |
750 | if (!STRINGP(temp)) | |
751 | return REPORT_EMACS_BUG_ADDRESS; | |
752 | ||
d5db4077 | 753 | string = SDATA (temp); |
d883731c | 754 | |
400d6fa9 PJ |
755 | /* Count dots in `emacs-version'. */ |
756 | while (*string) | |
757 | { | |
758 | if (*string == '.') | |
759 | count++; | |
760 | string++; | |
761 | } | |
d883731c PJ |
762 | |
763 | /* When `emacs-version' has at least three dots, it is development or | |
764 | pretest version of Emacs. */ | |
400d6fa9 | 765 | return count >= 3 ? REPORT_EMACS_BUG_PRETEST_ADDRESS : REPORT_EMACS_BUG_ADDRESS; |
d883731c PJ |
766 | } |
767 | ||
768 | ||
b6779252 KH |
769 | /* ARGSUSED */ |
770 | int | |
3861bdcd DL |
771 | main (argc, argv |
772 | #ifdef VMS | |
773 | , envp | |
774 | #endif | |
775 | ) | |
b6779252 KH |
776 | int argc; |
777 | char **argv; | |
3861bdcd | 778 | #ifdef VMS |
b6779252 | 779 | char **envp; |
3861bdcd | 780 | #endif |
b6779252 | 781 | { |
2313132f | 782 | #if GC_MARK_STACK |
39ec21ea GM |
783 | Lisp_Object dummy; |
784 | #endif | |
b6779252 | 785 | char stack_bottom_variable; |
68c45bf0 | 786 | int do_initial_setlocale; |
b6779252 | 787 | int skip_args = 0; |
1f9c3929 | 788 | #ifndef USE_CRT_DLL |
b6779252 | 789 | extern int errno; |
1f9c3929 | 790 | #endif |
b6779252 KH |
791 | #ifdef HAVE_SETRLIMIT |
792 | struct rlimit rlim; | |
793 | #endif | |
794 | int no_loadup = 0; | |
6e910e07 | 795 | char *junk = 0; |
b6779252 | 796 | |
2313132f | 797 | #if GC_MARK_STACK |
39ec21ea GM |
798 | extern Lisp_Object *stack_base; |
799 | stack_base = &dummy; | |
800 | #endif | |
801 | ||
b6779252 KH |
802 | #ifdef LINUX_SBRK_BUG |
803 | __sbrk (1); | |
15aaf1b5 RS |
804 | #endif |
805 | ||
d785cf9e RS |
806 | #ifdef RUN_TIME_REMAP |
807 | if (initialized) | |
808 | run_time_remap (argv[0]); | |
809 | #endif | |
810 | ||
3fb79984 | 811 | #ifdef MAC_OSX |
e0f712ba AC |
812 | if (!initialized) |
813 | unexec_init_emacs_zone (); | |
814 | #endif | |
815 | ||
081bef73 | 816 | sort_args (argc, argv); |
956e3c7e RS |
817 | argc = 0; |
818 | while (argv[argc]) argc++; | |
081bef73 | 819 | |
3270ae6e KH |
820 | if (argmatch (argv, argc, "-version", "--version", 3, NULL, &skip_args) |
821 | /* We don't know the version number unless this is a dumped Emacs. | |
822 | So ignore --version otherwise. */ | |
823 | && initialized) | |
1702afef RS |
824 | { |
825 | Lisp_Object tem; | |
826 | tem = Fsymbol_value (intern ("emacs-version")); | |
827 | if (!STRINGP (tem)) | |
828 | { | |
829 | fprintf (stderr, "Invalid value of `emacs-version'\n"); | |
830 | exit (1); | |
831 | } | |
832 | else | |
833 | { | |
d5db4077 | 834 | printf ("GNU Emacs %s\n", SDATA (tem)); |
483812ae | 835 | printf ("Copyright (C) 2002 Free Software Foundation, Inc.\n"); |
b455c665 RS |
836 | printf ("GNU Emacs comes with ABSOLUTELY NO WARRANTY.\n"); |
837 | printf ("You may redistribute copies of Emacs\n"); | |
838 | printf ("under the terms of the GNU General Public License.\n"); | |
839 | printf ("For more information about these matters, "); | |
94487c4e | 840 | printf ("see the file named COPYING.\n"); |
1702afef RS |
841 | exit (0); |
842 | } | |
843 | } | |
844 | ||
f927c5ae JB |
845 | /* Map in shared memory, if we are using that. */ |
846 | #ifdef HAVE_SHM | |
df6530f8 | 847 | if (argmatch (argv, argc, "-nl", "--no-shared-memory", 6, NULL, &skip_args)) |
f927c5ae JB |
848 | { |
849 | map_in_data (0); | |
850 | /* The shared memory was just restored, which clobbered this. */ | |
851 | skip_args = 1; | |
852 | } | |
853 | else | |
854 | { | |
855 | map_in_data (1); | |
856 | /* The shared memory was just restored, which clobbered this. */ | |
857 | skip_args = 0; | |
858 | } | |
859 | #endif | |
860 | ||
19a36ec6 | 861 | #ifdef NeXT |
b9df9faa KH |
862 | { |
863 | extern int malloc_cookie; | |
864 | /* This helps out unexnext.c. */ | |
865 | if (initialized) | |
866 | if (malloc_jumpstart (malloc_cookie) != 0) | |
867 | printf ("malloc jumpstart failed!\n"); | |
868 | } | |
19a36ec6 RS |
869 | #endif /* NeXT */ |
870 | ||
e0f712ba AC |
871 | #ifdef MAC_OSX |
872 | /* Skip process serial number passed in the form -psn_x_y as | |
873 | command-line argument. */ | |
874 | if (argc > skip_args + 1 && strncmp (argv[skip_args+1], "-psn_", 5) == 0) | |
875 | skip_args++; | |
876 | #endif /* MAC_OSX */ | |
877 | ||
f927c5ae | 878 | #ifdef VMS |
7db35a48 | 879 | /* If -map specified, map the data file in. */ |
e2925360 KH |
880 | { |
881 | char *file; | |
df6530f8 | 882 | if (argmatch (argv, argc, "-map", "--map-data", 3, &mapin_file, &skip_args)) |
e2925360 KH |
883 | mapin_data (file); |
884 | } | |
f927c5ae JB |
885 | |
886 | #ifdef LINK_CRTL_SHARE | |
34035df3 | 887 | #ifdef SHARABLE_LIB_BUG |
7db35a48 | 888 | /* Bletcherous shared libraries! */ |
f927c5ae JB |
889 | if (!stdin) |
890 | stdin = fdopen (0, "r"); | |
891 | if (!stdout) | |
892 | stdout = fdopen (1, "w"); | |
893 | if (!stderr) | |
894 | stderr = fdopen (2, "w"); | |
895 | if (!environ) | |
896 | environ = envp; | |
34035df3 | 897 | #endif /* SHARABLE_LIB_BUG */ |
f927c5ae JB |
898 | #endif /* LINK_CRTL_SHARE */ |
899 | #endif /* VMS */ | |
900 | ||
ea2acec5 | 901 | #if defined (HAVE_SETRLIMIT) && defined (RLIMIT_STACK) |
6c2935e9 RS |
902 | /* Extend the stack space available. |
903 | Don't do that if dumping, since some systems (e.g. DJGPP) | |
904 | might define a smaller stack limit at that time. */ | |
905 | if (1 | |
906 | #ifndef CANNOT_DUMP | |
907 | && (!noninteractive || initialized) | |
908 | #endif | |
909 | && !getrlimit (RLIMIT_STACK, &rlim)) | |
53c58b5d | 910 | { |
509a8fcd | 911 | long newlim; |
6c2935e9 | 912 | extern int re_max_failures; |
03effc23 KH |
913 | /* Approximate the amount regex.c needs per unit of re_max_failures. */ |
914 | int ratio = 20 * sizeof (char *); | |
915 | /* Then add 33% to cover the size of the smaller stacks that regex.c | |
916 | successively allocates and discards, on its way to the maximum. */ | |
917 | ratio += ratio / 3; | |
918 | /* Add in some extra to cover | |
919 | what we're likely to use for other reasons. */ | |
920 | newlim = re_max_failures * ratio + 200000; | |
d0381a7f RS |
921 | #ifdef __NetBSD__ |
922 | /* NetBSD (at least NetBSD 1.2G and former) has a bug in its | |
923 | stack allocation routine for new process that the allocation | |
924 | fails if stack limit is not on page boundary. So, round up the | |
925 | new limit to page boundary. */ | |
926 | newlim = (newlim + getpagesize () - 1) / getpagesize () * getpagesize(); | |
927 | #endif | |
509a8fcd | 928 | if (newlim > rlim.rlim_max) |
6c2935e9 RS |
929 | { |
930 | newlim = rlim.rlim_max; | |
03effc23 KH |
931 | /* Don't let regex.c overflow the stack we have. */ |
932 | re_max_failures = (newlim - 200000) / ratio; | |
6c2935e9 | 933 | } |
509a8fcd RS |
934 | if (rlim.rlim_cur < newlim) |
935 | rlim.rlim_cur = newlim; | |
936 | ||
53c58b5d RS |
937 | setrlimit (RLIMIT_STACK, &rlim); |
938 | } | |
ea2acec5 | 939 | #endif /* HAVE_SETRLIMIT and RLIMIT_STACK */ |
53c58b5d | 940 | |
f927c5ae JB |
941 | /* Record (approximately) where the stack begins. */ |
942 | stack_bottom = &stack_bottom_variable; | |
943 | ||
f927c5ae JB |
944 | #ifdef USG_SHARED_LIBRARIES |
945 | if (bss_end) | |
1d233b80 | 946 | brk ((void *)bss_end); |
f927c5ae JB |
947 | #endif |
948 | ||
949 | clearerr (stdin); | |
9ae8f997 | 950 | |
f927c5ae | 951 | #ifndef SYSTEM_MALLOC |
bf7f4e90 RS |
952 | /* Arrange to get warning messages as memory fills up. */ |
953 | memory_warnings (0, malloc_warning); | |
9ac0d9e0 | 954 | |
f5a3c8c4 AI |
955 | /* Call malloc at least once, to run the initial __malloc_hook. |
956 | Also call realloc and free for consistency. */ | |
957 | free (realloc (malloc (4), 4)); | |
bf7f4e90 RS |
958 | |
959 | /* Arrange to disable interrupt input inside malloc etc. */ | |
960 | uninterrupt_malloc (); | |
f927c5ae JB |
961 | #endif /* not SYSTEM_MALLOC */ |
962 | ||
edd3ff1d | 963 | #if defined (MSDOS) || defined (WINDOWSNT) |
29b89fe0 RS |
964 | /* We do all file input/output as binary files. When we need to translate |
965 | newlines, we do that manually. */ | |
966 | _fmode = O_BINARY; | |
edd3ff1d | 967 | #endif /* MSDOS || WINDOWSNT */ |
18198bb2 | 968 | |
edd3ff1d | 969 | #ifdef MSDOS |
18198bb2 RS |
970 | #if __DJGPP__ >= 2 |
971 | if (!isatty (fileno (stdin))) | |
972 | setmode (fileno (stdin), O_BINARY); | |
973 | if (!isatty (fileno (stdout))) | |
974 | { | |
975 | fflush (stdout); | |
976 | setmode (fileno (stdout), O_BINARY); | |
977 | } | |
978 | #else /* not __DJGPP__ >= 2 */ | |
29b89fe0 RS |
979 | (stdin)->_flag &= ~_IOTEXT; |
980 | (stdout)->_flag &= ~_IOTEXT; | |
981 | (stderr)->_flag &= ~_IOTEXT; | |
18198bb2 | 982 | #endif /* not __DJGPP__ >= 2 */ |
29b89fe0 RS |
983 | #endif /* MSDOS */ |
984 | ||
a422068f | 985 | #ifdef SET_EMACS_PRIORITY |
3005da00 | 986 | if (emacs_priority) |
5aa7f46a | 987 | nice (emacs_priority); |
f927c5ae | 988 | setuid (getuid ()); |
a422068f | 989 | #endif /* SET_EMACS_PRIORITY */ |
f927c5ae | 990 | |
68c45bf0 PE |
991 | /* Skip initial setlocale if LC_ALL is "C", as it's not needed in that case. |
992 | The build procedure uses this while dumping, to ensure that the | |
993 | dumped Emacs does not have its system locale tables initialized, | |
994 | as that might cause screwups when the dumped Emacs starts up. */ | |
995 | { | |
996 | char *lc_all = getenv ("LC_ALL"); | |
997 | do_initial_setlocale = ! lc_all || strcmp (lc_all, "C"); | |
998 | } | |
999 | ||
1000 | /* Set locale now, so that initial error messages are localized properly. | |
1001 | fixup_locale must wait until later, since it builds strings. */ | |
1002 | if (do_initial_setlocale) | |
1003 | setlocale (LC_ALL, ""); | |
1004 | ||
d8b3a65d | 1005 | #ifdef EXTRA_INITIALIZE |
a9260219 | 1006 | EXTRA_INITIALIZE; |
d8b3a65d RS |
1007 | #endif |
1008 | ||
f927c5ae JB |
1009 | inhibit_window_system = 0; |
1010 | ||
7db35a48 | 1011 | /* Handle the -t switch, which specifies filename to use as terminal. */ |
956e3c7e RS |
1012 | while (1) |
1013 | { | |
1014 | char *term; | |
1015 | if (argmatch (argv, argc, "-t", "--terminal", 4, &term, &skip_args)) | |
1016 | { | |
1017 | int result; | |
68c45bf0 PE |
1018 | emacs_close (0); |
1019 | emacs_close (1); | |
1020 | result = emacs_open (term, O_RDWR, 0); | |
956e3c7e RS |
1021 | if (result < 0) |
1022 | { | |
1023 | char *errstring = strerror (errno); | |
186486eb | 1024 | fprintf (stderr, "%s: %s: %s\n", argv[0], term, errstring); |
956e3c7e RS |
1025 | exit (1); |
1026 | } | |
1027 | dup (0); | |
1028 | if (! isatty (0)) | |
1029 | { | |
186486eb | 1030 | fprintf (stderr, "%s: %s: not a tty\n", argv[0], term); |
956e3c7e RS |
1031 | exit (1); |
1032 | } | |
1033 | fprintf (stderr, "Using %s\n", term); | |
8ba50e1a | 1034 | #ifdef HAVE_WINDOW_SYSTEM |
956e3c7e | 1035 | inhibit_window_system = 1; /* -t => -nw */ |
f927c5ae | 1036 | #endif |
956e3c7e RS |
1037 | } |
1038 | else | |
1039 | break; | |
1040 | } | |
1041 | ||
400d6fa9 PJ |
1042 | /* Command line option --no-windows is deprecated and thus not mentioned |
1043 | in the manual and usage informations. */ | |
1044 | if (argmatch (argv, argc, "-nw", "--no-window-system", 6, NULL, &skip_args) | |
1045 | || argmatch (argv, argc, "-nw", "--no-windows", 6, NULL, &skip_args)) | |
e2925360 | 1046 | inhibit_window_system = 1; |
f927c5ae | 1047 | |
e2925360 | 1048 | /* Handle the -batch switch, which means don't do interactive display. */ |
f927c5ae | 1049 | noninteractive = 0; |
df6530f8 | 1050 | if (argmatch (argv, argc, "-batch", "--batch", 5, NULL, &skip_args)) |
e2925360 | 1051 | noninteractive = 1; |
6e910e07 RS |
1052 | if (argmatch (argv, argc, "-script", "--script", 3, &junk, &skip_args)) |
1053 | { | |
1054 | noninteractive = 1; /* Set batch mode. */ | |
1055 | /* Convert --script to -l, un-skip it, and sort again so that -l will be | |
1056 | handled in proper sequence. */ | |
1057 | argv[skip_args - 1] = "-l"; | |
1058 | skip_args -= 2; | |
1059 | sort_args (argc, argv); | |
1060 | } | |
e2925360 | 1061 | |
7db35a48 | 1062 | /* Handle the --help option, which gives a usage message. */ |
df6530f8 | 1063 | if (argmatch (argv, argc, "-help", "--help", 3, NULL, &skip_args)) |
f927c5ae | 1064 | { |
73ebcd25 AI |
1065 | printf (USAGE1, argv[0]); |
1066 | printf (USAGE2); | |
400d6fa9 | 1067 | printf (USAGE3, bug_reporting_address ()); |
e2925360 | 1068 | exit (0); |
f927c5ae JB |
1069 | } |
1070 | ||
edb85f59 RS |
1071 | if (! noninteractive) |
1072 | { | |
1073 | #ifdef BSD_PGRPS | |
1074 | if (initialized) | |
1075 | { | |
1076 | inherited_pgroup = EMACS_GETPGRP (0); | |
1077 | setpgrp (0, getpid ()); | |
1078 | } | |
1079 | #else | |
1080 | #if defined (USG5) && defined (INTERRUPT_INPUT) | |
1081 | setpgrp (); | |
1082 | #endif | |
1083 | #endif | |
1084 | } | |
1085 | ||
fb8e9847 | 1086 | init_signals (); |
fb8e9847 | 1087 | |
1efa2983 KH |
1088 | /* Don't catch SIGHUP if dumping. */ |
1089 | if (1 | |
1090 | #ifndef CANNOT_DUMP | |
1091 | && initialized | |
1092 | #endif | |
1093 | ) | |
1094 | { | |
57e3d22a | 1095 | sigblock (sigmask (SIGHUP)); |
1efa2983 KH |
1096 | /* In --batch mode, don't catch SIGHUP if already ignored. |
1097 | That makes nohup work. */ | |
1098 | if (! noninteractive | |
1099 | || signal (SIGHUP, SIG_IGN) != SIG_IGN) | |
1100 | signal (SIGHUP, fatal_error_signal); | |
57e3d22a | 1101 | sigunblock (sigmask (SIGHUP)); |
1efa2983 KH |
1102 | } |
1103 | ||
f927c5ae JB |
1104 | if ( |
1105 | #ifndef CANNOT_DUMP | |
1106 | ! noninteractive || initialized | |
1107 | #else | |
1108 | 1 | |
1109 | #endif | |
1110 | ) | |
1111 | { | |
1efa2983 | 1112 | /* Don't catch these signals in batch mode if dumping. |
f927c5ae JB |
1113 | On some machines, this sets static data that would make |
1114 | signal fail to work right when the dumped Emacs is run. */ | |
f927c5ae JB |
1115 | signal (SIGQUIT, fatal_error_signal); |
1116 | signal (SIGILL, fatal_error_signal); | |
1117 | signal (SIGTRAP, fatal_error_signal); | |
7317d9e8 RS |
1118 | #ifdef SIGUSR1 |
1119 | signal (SIGUSR1, handle_USR1_signal); | |
1120 | #ifdef SIGUSR2 | |
1121 | signal (SIGUSR2, handle_USR2_signal); | |
1122 | #endif | |
1123 | #endif | |
99e372cd RS |
1124 | #ifdef SIGABRT |
1125 | signal (SIGABRT, fatal_error_signal); | |
1126 | #endif | |
1127 | #ifdef SIGHWE | |
1128 | signal (SIGHWE, fatal_error_signal); | |
1129 | #endif | |
1130 | #ifdef SIGPRE | |
1131 | signal (SIGPRE, fatal_error_signal); | |
1132 | #endif | |
1133 | #ifdef SIGORE | |
1134 | signal (SIGORE, fatal_error_signal); | |
1135 | #endif | |
1136 | #ifdef SIGUME | |
1137 | signal (SIGUME, fatal_error_signal); | |
1138 | #endif | |
1139 | #ifdef SIGDLK | |
1140 | signal (SIGDLK, fatal_error_signal); | |
1141 | #endif | |
1142 | #ifdef SIGCPULIM | |
1143 | signal (SIGCPULIM, fatal_error_signal); | |
1144 | #endif | |
a90538cb JB |
1145 | #ifdef SIGIOT |
1146 | /* This is missing on some systems - OS/2, for example. */ | |
f927c5ae | 1147 | signal (SIGIOT, fatal_error_signal); |
a90538cb | 1148 | #endif |
f927c5ae JB |
1149 | #ifdef SIGEMT |
1150 | signal (SIGEMT, fatal_error_signal); | |
1151 | #endif | |
1152 | signal (SIGFPE, fatal_error_signal); | |
00eaaa32 | 1153 | #ifdef SIGBUS |
f927c5ae | 1154 | signal (SIGBUS, fatal_error_signal); |
00eaaa32 | 1155 | #endif |
f927c5ae | 1156 | signal (SIGSEGV, fatal_error_signal); |
00eaaa32 | 1157 | #ifdef SIGSYS |
f927c5ae | 1158 | signal (SIGSYS, fatal_error_signal); |
00eaaa32 | 1159 | #endif |
f927c5ae JB |
1160 | signal (SIGTERM, fatal_error_signal); |
1161 | #ifdef SIGXCPU | |
1162 | signal (SIGXCPU, fatal_error_signal); | |
1163 | #endif | |
1164 | #ifdef SIGXFSZ | |
1165 | signal (SIGXFSZ, fatal_error_signal); | |
1166 | #endif /* SIGXFSZ */ | |
1167 | ||
271c7b7c RS |
1168 | #ifdef SIGDANGER |
1169 | /* This just means available memory is getting low. */ | |
1170 | signal (SIGDANGER, memory_warning_signal); | |
1171 | #endif | |
1172 | ||
f927c5ae | 1173 | #ifdef AIX |
56e034fa RS |
1174 | /* 20 is SIGCHLD, 21 is SIGTTIN, 22 is SIGTTOU. */ |
1175 | signal (SIGXCPU, fatal_error_signal); | |
0aef8561 | 1176 | #ifndef _I386 |
f927c5ae | 1177 | signal (SIGIOINT, fatal_error_signal); |
0aef8561 | 1178 | #endif |
f927c5ae JB |
1179 | signal (SIGGRANT, fatal_error_signal); |
1180 | signal (SIGRETRACT, fatal_error_signal); | |
1181 | signal (SIGSOUND, fatal_error_signal); | |
1182 | signal (SIGMSG, fatal_error_signal); | |
1183 | #endif /* AIX */ | |
1184 | } | |
1185 | ||
1186 | noninteractive1 = noninteractive; | |
1187 | ||
7db35a48 | 1188 | /* Perform basic initializations (not merely interning symbols). */ |
f927c5ae JB |
1189 | |
1190 | if (!initialized) | |
1191 | { | |
1192 | init_alloc_once (); | |
1193 | init_obarray (); | |
1194 | init_eval_once (); | |
270ce821 KH |
1195 | init_charset_once (); |
1196 | init_coding_once (); | |
f927c5ae | 1197 | init_syntax_once (); /* Create standard syntax table. */ |
270ce821 | 1198 | init_category_once (); /* Create standard category table. */ |
7db35a48 | 1199 | /* Must be done before init_buffer. */ |
f927c5ae | 1200 | init_casetab_once (); |
7db35a48 PJ |
1201 | init_buffer_once (); /* Create buffer table and some buffers. */ |
1202 | init_minibuf_once (); /* Create list of minibuffers. */ | |
1203 | /* Must precede init_window_once. */ | |
1204 | ||
90d920b6 GM |
1205 | /* Call syms_of_xfaces before init_window_once because that |
1206 | function creates Vterminal_frame. Termcap frames now use | |
1207 | faces, and the face implementation uses some symbols as | |
1208 | face names. */ | |
90d920b6 | 1209 | syms_of_xfaces (); |
7a18af49 KR |
1210 | /* Call syms_of_keyboard before init_window_once because |
1211 | keyboard sets up symbols that include some face names that | |
1212 | the X support will want to use. This can happen when | |
1213 | CANNOT_DUMP is defined. */ | |
1214 | syms_of_keyboard (); | |
90d920b6 | 1215 | |
e0f712ba | 1216 | #ifdef MAC_OS8 |
c1e279c2 AC |
1217 | /* init_window_once calls make_terminal_frame which on Mac OS |
1218 | creates a full-fledge output_mac type frame. This does not | |
1219 | work correctly before syms_of_textprop, syms_of_macfns, | |
1220 | syms_of_ccl, syms_of_fontset, syms_of_xterm, syms_of_search, | |
e0f712ba | 1221 | syms_of_frame, mac_initialize, and init_keyboard have already |
c1e279c2 | 1222 | been called. */ |
1a578e9b AC |
1223 | syms_of_textprop (); |
1224 | syms_of_macfns (); | |
1225 | syms_of_ccl (); | |
1226 | syms_of_fontset (); | |
1227 | syms_of_macterm (); | |
1228 | syms_of_macmenu (); | |
1229 | syms_of_data (); | |
1230 | syms_of_search (); | |
c1e279c2 | 1231 | syms_of_frame (); |
7db35a48 | 1232 | |
e0f712ba | 1233 | mac_initialize (); |
1a578e9b AC |
1234 | init_keyboard (); |
1235 | #endif | |
1236 | ||
7db35a48 | 1237 | init_window_once (); /* Init the window system. */ |
680256a8 | 1238 | init_fileio_once (); /* Must precede any path manipulation. */ |
f927c5ae JB |
1239 | } |
1240 | ||
1241 | init_alloc (); | |
68c45bf0 PE |
1242 | |
1243 | if (do_initial_setlocale) | |
1244 | { | |
1245 | fixup_locale (); | |
ca9c0567 PE |
1246 | Vsystem_messages_locale = Vprevious_system_messages_locale; |
1247 | Vsystem_time_locale = Vprevious_system_time_locale; | |
68c45bf0 PE |
1248 | } |
1249 | ||
f927c5ae JB |
1250 | init_eval (); |
1251 | init_data (); | |
ad067ea6 | 1252 | #ifdef CLASH_DETECTION |
01f67d2c | 1253 | init_filelock (); |
ad067ea6 | 1254 | #endif |
ab5d0358 | 1255 | init_atimer (); |
7074fde6 | 1256 | running_asynch_code = 0; |
0e956009 | 1257 | |
a08a816a RS |
1258 | /* Handle --unibyte and the EMACS_UNIBYTE envvar, |
1259 | but not while dumping. */ | |
e721aa94 | 1260 | if (1) |
a08a816a RS |
1261 | { |
1262 | int inhibit_unibyte = 0; | |
1263 | ||
1264 | /* --multibyte overrides EMACS_UNIBYTE. */ | |
1265 | if (argmatch (argv, argc, "-no-unibyte", "--no-unibyte", 4, NULL, &skip_args) | |
e721aa94 SM |
1266 | || argmatch (argv, argc, "-multibyte", "--multibyte", 4, NULL, &skip_args) |
1267 | /* Ignore EMACS_UNIBYTE before dumping. */ | |
1268 | || (!initialized && noninteractive)) | |
a08a816a RS |
1269 | inhibit_unibyte = 1; |
1270 | ||
1271 | /* --unibyte requests that we set up to do everything with single-byte | |
1272 | buffers and strings. We need to handle this before calling | |
1273 | init_lread, init_editfns and other places that generate Lisp strings | |
1274 | from text in the environment. */ | |
c0218e1b DL |
1275 | /* Actually this shouldn't be needed as of 20.4 in a generally |
1276 | unibyte environment. As handa says, environment values | |
1277 | aren't now decoded; also existing buffers are now made | |
1278 | unibyte during startup if .emacs sets unibyte. Tested with | |
1279 | 8-bit data in environment variables and /etc/passwd, setting | |
7db35a48 | 1280 | unibyte and Latin-1 in .emacs. -- Dave Love */ |
a08a816a RS |
1281 | if (argmatch (argv, argc, "-unibyte", "--unibyte", 4, NULL, &skip_args) |
1282 | || argmatch (argv, argc, "-no-multibyte", "--no-multibyte", 4, NULL, &skip_args) | |
1283 | || (getenv ("EMACS_UNIBYTE") && !inhibit_unibyte)) | |
1284 | { | |
1285 | Lisp_Object old_log_max; | |
1286 | Lisp_Object symbol, tail; | |
1287 | ||
1288 | symbol = intern ("default-enable-multibyte-characters"); | |
1289 | Fset (symbol, Qnil); | |
1290 | ||
6524291c KH |
1291 | if (initialized) |
1292 | { | |
1293 | /* Erase pre-dump messages in *Messages* now so no abort. */ | |
1294 | old_log_max = Vmessage_log_max; | |
1295 | XSETFASTINT (Vmessage_log_max, 0); | |
1296 | message_dolog ("", 0, 1, 0); | |
1297 | Vmessage_log_max = old_log_max; | |
1298 | } | |
a08a816a | 1299 | |
3e75bb9e | 1300 | for (tail = Vbuffer_alist; CONSP (tail); |
7539e11f | 1301 | tail = XCDR (tail)) |
a08a816a RS |
1302 | { |
1303 | Lisp_Object buffer; | |
1304 | ||
7539e11f | 1305 | buffer = Fcdr (XCAR (tail)); |
a08a816a RS |
1306 | /* Verify that all buffers are empty now, as they |
1307 | ought to be. */ | |
1308 | if (BUF_Z (XBUFFER (buffer)) > BUF_BEG (XBUFFER (buffer))) | |
1309 | abort (); | |
1310 | /* It is safe to do this crudely in an empty buffer. */ | |
1311 | XBUFFER (buffer)->enable_multibyte_characters = Qnil; | |
1312 | } | |
1313 | } | |
1314 | } | |
1315 | ||
956e3c7e | 1316 | no_loadup |
b96f9fb7 | 1317 | = argmatch (argv, argc, "-nl", "--no-loadup", 6, NULL, &skip_args); |
956e3c7e RS |
1318 | |
1319 | ||
1320 | #ifdef HAVE_X_WINDOWS | |
1321 | /* Stupid kludge to catch command-line display spec. We can't | |
1322 | handle this argument entirely in window system dependent code | |
1323 | because we don't even know which window system dependent code | |
1324 | to run until we've recognized this argument. */ | |
1325 | { | |
1326 | char *displayname = 0; | |
956e3c7e RS |
1327 | int count_before = skip_args; |
1328 | ||
1329 | /* Skip any number of -d options, but only use the last one. */ | |
1330 | while (1) | |
1331 | { | |
1332 | int count_before_this = skip_args; | |
1333 | ||
1334 | if (argmatch (argv, argc, "-d", "--display", 3, &displayname, &skip_args)) | |
1335 | display_arg = 1; | |
1336 | else if (argmatch (argv, argc, "-display", 0, 3, &displayname, &skip_args)) | |
1337 | display_arg = 1; | |
1338 | else | |
1339 | break; | |
1340 | ||
1341 | count_before = count_before_this; | |
1342 | } | |
1343 | ||
1344 | /* If we have the form --display=NAME, | |
1345 | convert it into -d name. | |
1346 | This requires inserting a new element into argv. */ | |
1347 | if (displayname != 0 && skip_args - count_before == 1) | |
1348 | { | |
1349 | char **new = (char **) xmalloc (sizeof (char *) * (argc + 2)); | |
1350 | int j; | |
1351 | ||
1352 | for (j = 0; j < count_before + 1; j++) | |
1353 | new[j] = argv[j]; | |
1354 | new[count_before + 1] = "-d"; | |
1355 | new[count_before + 2] = displayname; | |
1356 | for (j = count_before + 2; j <argc; j++) | |
1357 | new[j + 1] = argv[j]; | |
1358 | argv = new; | |
1359 | argc++; | |
1360 | } | |
1361 | /* Change --display to -d, when its arg is separate. */ | |
1362 | else if (displayname != 0 && skip_args > count_before | |
1363 | && argv[count_before + 1][1] == '-') | |
1364 | argv[count_before + 1] = "-d"; | |
1365 | ||
1366 | /* Don't actually discard this arg. */ | |
1367 | skip_args = count_before; | |
1368 | } | |
1369 | #endif | |
1370 | ||
1371 | /* argmatch must not be used after here, | |
1372 | except when bulding temacs | |
1373 | because the -d argument has not been skipped in skip_args. */ | |
1374 | ||
29b89fe0 RS |
1375 | #ifdef MSDOS |
1376 | /* Call early 'cause init_environment needs it. */ | |
1377 | init_dosfns (); | |
1378 | /* Set defaults for several environment variables. */ | |
18198bb2 RS |
1379 | if (initialized) |
1380 | init_environment (argc, argv, skip_args); | |
1381 | else | |
d1fc6752 | 1382 | tzset (); |
18198bb2 | 1383 | #endif /* MSDOS */ |
29b89fe0 | 1384 | |
8ba50e1a | 1385 | #ifdef WINDOWSNT |
9785d95b | 1386 | globals_of_w32 (); |
8ba50e1a | 1387 | /* Initialize environment from registry settings. */ |
a3a58294 | 1388 | init_environment (argv); |
7db35a48 | 1389 | init_ntproc (); /* must precede init_editfns. */ |
8ba50e1a GV |
1390 | #endif |
1391 | ||
f1c1cccd | 1392 | #ifdef HAVE_CARBON |
1000788b AC |
1393 | if (initialized) |
1394 | init_mac_osx_environment (); | |
1395 | #endif | |
1396 | ||
0e956009 JB |
1397 | /* egetenv is a pretty low-level facility, which may get called in |
1398 | many circumstances; it seems flimsy to put off initializing it | |
1399 | until calling init_callproc. */ | |
1400 | set_process_environment (); | |
93aed04d RS |
1401 | /* AIX crashes are reported in system versions 3.2.3 and 3.2.4 |
1402 | if this is not done. Do it after set_process_environment so that we | |
1403 | don't pollute Vprocess_environment. */ | |
fa09a82d DL |
1404 | /* Setting LANG here will defeat the startup locale processing... */ |
1405 | #ifdef AIX3_2 | |
93aed04d RS |
1406 | putenv ("LANG=C"); |
1407 | #endif | |
0e956009 | 1408 | |
7db35a48 | 1409 | init_buffer (); /* Init default directory of main buffer. */ |
ace40a69 | 1410 | |
7928f0b5 | 1411 | init_callproc_1 (); /* Must precede init_cmdargs and init_sys_modes. */ |
ace40a69 | 1412 | init_cmdargs (argc, argv, skip_args); /* Must precede init_lread. */ |
380e25b8 RS |
1413 | |
1414 | if (initialized) | |
1415 | { | |
7db35a48 | 1416 | /* Erase any pre-dump messages in the message log, to avoid confusion. */ |
380e25b8 RS |
1417 | Lisp_Object old_log_max; |
1418 | old_log_max = Vmessage_log_max; | |
1419 | XSETFASTINT (Vmessage_log_max, 0); | |
f6fe7bb5 | 1420 | message_dolog ("", 0, 1, 0); |
380e25b8 RS |
1421 | Vmessage_log_max = old_log_max; |
1422 | } | |
1423 | ||
7928f0b5 | 1424 | init_callproc (); /* Must follow init_cmdargs but not init_sys_modes. */ |
fb8e9847 | 1425 | init_lread (); |
f927c5ae | 1426 | |
8bb697c0 RS |
1427 | /* Intern the names of all standard functions and variables; |
1428 | define standard keys. */ | |
f927c5ae JB |
1429 | |
1430 | if (!initialized) | |
1431 | { | |
7db35a48 | 1432 | /* The basic levels of Lisp must come first. */ |
f927c5ae | 1433 | /* And data must come first of all |
7db35a48 | 1434 | for the sake of symbols like error-message. */ |
e0f712ba AC |
1435 | #ifndef MAC_OS8 |
1436 | /* Called before init_window_once for Mac OS Classic. */ | |
f927c5ae | 1437 | syms_of_data (); |
1a578e9b | 1438 | #endif |
f927c5ae | 1439 | syms_of_alloc (); |
fb8e9847 | 1440 | syms_of_lread (); |
f927c5ae JB |
1441 | syms_of_print (); |
1442 | syms_of_eval (); | |
1443 | syms_of_fns (); | |
f927c5ae | 1444 | syms_of_floatfns (); |
f927c5ae JB |
1445 | |
1446 | syms_of_abbrev (); | |
1447 | syms_of_buffer (); | |
1448 | syms_of_bytecode (); | |
1449 | syms_of_callint (); | |
1450 | syms_of_casefiddle (); | |
1451 | syms_of_casetab (); | |
1452 | syms_of_callproc (); | |
270ce821 | 1453 | syms_of_category (); |
e0f712ba AC |
1454 | #ifndef MAC_OS8 |
1455 | /* Called before init_window_once for Mac OS Classic. */ | |
270ce821 | 1456 | syms_of_ccl (); |
1a578e9b | 1457 | #endif |
270ce821 | 1458 | syms_of_charset (); |
f927c5ae JB |
1459 | syms_of_cmds (); |
1460 | #ifndef NO_DIR_LIBRARY | |
1461 | syms_of_dired (); | |
1462 | #endif /* not NO_DIR_LIBRARY */ | |
1463 | syms_of_display (); | |
1464 | syms_of_doc (); | |
1465 | syms_of_editfns (); | |
1466 | syms_of_emacs (); | |
1467 | syms_of_fileio (); | |
270ce821 | 1468 | syms_of_coding (); /* This should be after syms_of_fileio. */ |
f927c5ae JB |
1469 | #ifdef CLASH_DETECTION |
1470 | syms_of_filelock (); | |
1471 | #endif /* CLASH_DETECTION */ | |
1472 | syms_of_indent (); | |
c2c5ed2c | 1473 | syms_of_insdel (); |
f927c5ae JB |
1474 | syms_of_keymap (); |
1475 | syms_of_macros (); | |
1476 | syms_of_marker (); | |
1477 | syms_of_minibuf (); | |
f927c5ae | 1478 | syms_of_process (); |
e0f712ba AC |
1479 | #ifndef MAC_OS8 |
1480 | /* Called before init_window_once for Mac OS Classic. */ | |
f927c5ae | 1481 | syms_of_search (); |
1cbd5d9d | 1482 | syms_of_frame (); |
c1e279c2 | 1483 | #endif |
f927c5ae | 1484 | syms_of_syntax (); |
0d934e7b | 1485 | syms_of_term (); |
f927c5ae | 1486 | syms_of_undo (); |
90d920b6 GM |
1487 | #ifdef HAVE_SOUND |
1488 | syms_of_sound (); | |
1489 | #endif | |
e0f712ba AC |
1490 | #ifndef MAC_OS8 |
1491 | /* Called before init_window_once for Mac OS Classic. */ | |
bef79ee4 | 1492 | syms_of_textprop (); |
1a578e9b | 1493 | #endif |
9d100795 | 1494 | syms_of_composite (); |
f927c5ae JB |
1495 | #ifdef VMS |
1496 | syms_of_vmsproc (); | |
1497 | #endif /* VMS */ | |
05687c54 RS |
1498 | #ifdef WINDOWSNT |
1499 | syms_of_ntproc (); | |
1500 | #endif /* WINDOWSNT */ | |
f927c5ae JB |
1501 | syms_of_window (); |
1502 | syms_of_xdisp (); | |
1503 | #ifdef HAVE_X_WINDOWS | |
72412588 | 1504 | syms_of_xterm (); |
f927c5ae | 1505 | syms_of_xfns (); |
270ce821 | 1506 | syms_of_fontset (); |
28b1b672 JD |
1507 | #ifdef HAVE_X_SM |
1508 | syms_of_xsmfns (); | |
1509 | #endif | |
72412588 JB |
1510 | #ifdef HAVE_X11 |
1511 | syms_of_xselect (); | |
1512 | #endif | |
f927c5ae JB |
1513 | #endif /* HAVE_X_WINDOWS */ |
1514 | ||
1e9c210b | 1515 | #ifndef HAVE_NTGUI |
e0f712ba AC |
1516 | #ifndef MAC_OS |
1517 | /* Called before init_window_once for Mac OS Classic. */ | |
6c850f3c | 1518 | syms_of_xmenu (); |
1e9c210b | 1519 | #endif |
1a578e9b | 1520 | #endif |
6c850f3c | 1521 | |
8ba50e1a | 1522 | #ifdef HAVE_NTGUI |
fbd6baed GV |
1523 | syms_of_w32term (); |
1524 | syms_of_w32fns (); | |
fbd6baed GV |
1525 | syms_of_w32select (); |
1526 | syms_of_w32menu (); | |
02062ac3 | 1527 | syms_of_fontset (); |
8ba50e1a GV |
1528 | #endif /* HAVE_NTGUI */ |
1529 | ||
e0f712ba AC |
1530 | #ifdef HAVE_CARBON |
1531 | syms_of_macterm (); | |
1532 | syms_of_macfns (); | |
1533 | syms_of_macmenu (); | |
1534 | syms_of_fontset (); | |
1535 | #endif /* HAVE_CARBON */ | |
1536 | ||
f927c5ae JB |
1537 | #ifdef SYMS_SYSTEM |
1538 | SYMS_SYSTEM; | |
1539 | #endif | |
1540 | ||
1541 | #ifdef SYMS_MACHINE | |
1542 | SYMS_MACHINE; | |
1543 | #endif | |
1544 | ||
1545 | keys_of_casefiddle (); | |
1546 | keys_of_cmds (); | |
1547 | keys_of_buffer (); | |
1548 | keys_of_keyboard (); | |
1549 | keys_of_keymap (); | |
f927c5ae JB |
1550 | keys_of_minibuf (); |
1551 | keys_of_window (); | |
9785d95b BK |
1552 | } |
1553 | else | |
1554 | { | |
1555 | /* | |
1556 | Initialization that must be done even if the global variable | |
1557 | initialized is non zero | |
1558 | */ | |
1559 | #ifdef HAVE_NTGUI | |
1560 | globals_of_w32fns (); | |
1561 | globals_of_w32menu (); | |
1562 | #endif /* end #ifdef HAVE_NTGUI */ | |
f927c5ae JB |
1563 | } |
1564 | ||
e0f712ba AC |
1565 | #ifndef MAC_OS8 |
1566 | /* Called before init_window_once for Mac OS Classic. */ | |
7db35a48 | 1567 | init_keyboard (); /* This too must precede init_sys_modes. */ |
1a578e9b | 1568 | #endif |
8bb697c0 | 1569 | #ifdef VMS |
7db35a48 | 1570 | init_vmsproc (); /* And this too. */ |
8bb697c0 | 1571 | #endif /* VMS */ |
0a125897 KL |
1572 | if (!noninteractive) |
1573 | { | |
1574 | #ifdef VMS | |
1575 | init_vms_input ();/* init_display calls get_tty_size, that needs this. */ | |
1576 | #endif /* VMS */ | |
1577 | init_display (); /* Determine terminal type. Calls init_sys_modes. */ | |
1578 | } | |
4558a715 | 1579 | #if defined (HAVE_X_WINDOWS) || defined (WINDOWSNT) |
90d920b6 GM |
1580 | init_xfns (); |
1581 | #endif /* HAVE_X_WINDOWS */ | |
1582 | init_fns (); | |
8bb697c0 RS |
1583 | init_xdisp (); |
1584 | init_macros (); | |
1585 | init_editfns (); | |
8bb697c0 | 1586 | init_floatfns (); |
8bb697c0 RS |
1587 | #ifdef VMS |
1588 | init_vmsfns (); | |
1589 | #endif /* VMS */ | |
1590 | init_process (); | |
90d920b6 GM |
1591 | #ifdef HAVE_SOUND |
1592 | init_sound (); | |
1593 | #endif | |
75816372 | 1594 | init_window (); |
8bb697c0 | 1595 | |
f927c5ae JB |
1596 | if (!initialized) |
1597 | { | |
e2925360 | 1598 | char *file; |
7db35a48 | 1599 | /* Handle -l loadup, args passed by Makefile. */ |
df6530f8 | 1600 | if (argmatch (argv, argc, "-l", "--load", 3, &file, &skip_args)) |
f927c5ae | 1601 | Vtop_level = Fcons (intern ("load"), |
e2925360 | 1602 | Fcons (build_string (file), Qnil)); |
f927c5ae | 1603 | /* Unless next switch is -nl, load "loadup.el" first thing. */ |
956e3c7e | 1604 | if (! no_loadup) |
f927c5ae JB |
1605 | Vtop_level = Fcons (intern ("load"), |
1606 | Fcons (build_string ("loadup.el"), Qnil)); | |
f927c5ae JB |
1607 | } |
1608 | ||
93572b43 KH |
1609 | if (initialized) |
1610 | { | |
0269dedb RS |
1611 | #ifdef HAVE_TZSET |
1612 | { | |
1613 | /* If the execution TZ happens to be the same as the dump TZ, | |
1614 | change it to some other value and then change it back, | |
1615 | to force the underlying implementation to reload the TZ info. | |
1616 | This is needed on implementations that load TZ info from files, | |
1617 | since the TZ file contents may differ between dump and execution. */ | |
1618 | char *tz = getenv ("TZ"); | |
1619 | if (tz && !strcmp (tz, dump_tz)) | |
1620 | { | |
1621 | ++*tz; | |
1622 | tzset (); | |
1623 | --*tz; | |
1624 | } | |
1625 | } | |
1626 | #endif | |
93572b43 KH |
1627 | } |
1628 | ||
37a0ae84 GM |
1629 | /* Set up for profiling. This is known to work on FreeBSD and |
1630 | GNU/Linux. It might work on some other systems too. Give it a | |
1631 | try and tell us if it works on your system. To compile for | |
7db35a48 | 1632 | profiling use something like `make CFLAGS="-pg -g -O -DPROFILING=1'. */ |
6a97197e | 1633 | #if defined (__FreeBSD__) || defined (__linux) |
e610ea43 RS |
1634 | #ifdef PROFILING |
1635 | if (initialized) | |
1636 | { | |
7db35a48 | 1637 | extern void _mcleanup (); |
e610ea43 | 1638 | extern char etext; |
90d920b6 | 1639 | extern void safe_bcopy (); |
67a5596f GM |
1640 | extern void dump_opcode_frequencies (); |
1641 | ||
e610ea43 | 1642 | atexit (_mcleanup); |
90d920b6 GM |
1643 | /* This uses safe_bcopy because that function comes first in the |
1644 | Emacs executable. It might be better to use something that | |
1645 | gives the start of the text segment, but start_of_text is not | |
1646 | defined on all systems now. */ | |
1647 | monstartup (safe_bcopy, &etext); | |
e610ea43 RS |
1648 | } |
1649 | else | |
1650 | moncontrol (0); | |
1651 | #endif | |
1652 | #endif | |
1653 | ||
f927c5ae JB |
1654 | initialized = 1; |
1655 | ||
e7536cff RS |
1656 | #ifdef LOCALTIME_CACHE |
1657 | /* Some versions of localtime have a bug. They cache the value of the time | |
279cc2b8 JB |
1658 | zone rather than looking it up every time. Since localtime() is |
1659 | called to bolt the undumping time into the undumped emacs, this | |
afe9fae9 | 1660 | results in localtime ignoring the TZ environment variable. |
7db35a48 | 1661 | This flushes the new TZ value into localtime. */ |
afe9fae9 | 1662 | tzset (); |
e7536cff | 1663 | #endif /* defined (LOCALTIME_CACHE) */ |
279cc2b8 | 1664 | |
f927c5ae JB |
1665 | /* Enter editor command loop. This never returns. */ |
1666 | Frecursive_edit (); | |
1667 | /* NOTREACHED */ | |
6bbd7a29 | 1668 | return 0; |
f927c5ae JB |
1669 | } |
1670 | \f | |
081bef73 RS |
1671 | /* Sort the args so we can find the most important ones |
1672 | at the beginning of argv. */ | |
1673 | ||
1674 | /* First, here's a table of all the standard options. */ | |
1675 | ||
1676 | struct standard_args | |
1677 | { | |
1678 | char *name; | |
1679 | char *longname; | |
1680 | int priority; | |
1681 | int nargs; | |
1682 | }; | |
1683 | ||
1684 | struct standard_args standard_args[] = | |
1685 | { | |
05922407 RS |
1686 | { "-version", "--version", 150, 0 }, |
1687 | #ifdef HAVE_SHM | |
1688 | { "-nl", "--no-shared-memory", 140, 0 }, | |
1689 | #endif | |
2725719a | 1690 | #ifdef VMS |
05922407 | 1691 | { "-map", "--map-data", 130, 0 }, |
2725719a | 1692 | #endif |
05922407 | 1693 | { "-t", "--terminal", 120, 1 }, |
400d6fa9 | 1694 | { "-nw", "--no-window-system", 110, 0 }, |
05922407 RS |
1695 | { "-nw", "--no-windows", 110, 0 }, |
1696 | { "-batch", "--batch", 100, 0 }, | |
6e910e07 | 1697 | { "-script", "--script", 100, 1 }, |
05922407 | 1698 | { "-help", "--help", 90, 0 }, |
956e3c7e RS |
1699 | { "-no-unibyte", "--no-unibyte", 83, 0 }, |
1700 | { "-multibyte", "--multibyte", 82, 0 }, | |
1701 | { "-unibyte", "--unibyte", 81, 0 }, | |
1702 | { "-no-multibyte", "--no-multibyte", 80, 0 }, | |
956e3c7e | 1703 | { "-nl", "--no-loadup", 70, 0 }, |
956e3c7e RS |
1704 | /* -d must come last before the options handled in startup.el. */ |
1705 | { "-d", "--display", 60, 1 }, | |
1706 | { "-display", 0, 60, 1 }, | |
05922407 | 1707 | /* Now for the options handled in startup.el. */ |
081bef73 RS |
1708 | { "-q", "--no-init-file", 50, 0 }, |
1709 | { "-no-init-file", 0, 50, 0 }, | |
1710 | { "-no-site-file", "--no-site-file", 40, 0 }, | |
af2bf12f | 1711 | { "-no-splash", "--no-splash", 40, 0 }, |
081bef73 RS |
1712 | { "-u", "--user", 30, 1 }, |
1713 | { "-user", 0, 30, 1 }, | |
1714 | { "-debug-init", "--debug-init", 20, 0 }, | |
adab4483 KH |
1715 | { "-i", "--icon-type", 15, 0 }, |
1716 | { "-itype", 0, 15, 0 }, | |
f2bc3538 | 1717 | { "-iconic", "--iconic", 15, 0 }, |
081bef73 RS |
1718 | { "-bg", "--background-color", 10, 1 }, |
1719 | { "-background", 0, 10, 1 }, | |
1720 | { "-fg", "--foreground-color", 10, 1 }, | |
1721 | { "-foreground", 0, 10, 1 }, | |
1722 | { "-bd", "--border-color", 10, 1 }, | |
1723 | { "-bw", "--border-width", 10, 1 }, | |
1724 | { "-ib", "--internal-border", 10, 1 }, | |
1725 | { "-ms", "--mouse-color", 10, 1 }, | |
1726 | { "-cr", "--cursor-color", 10, 1 }, | |
1727 | { "-fn", "--font", 10, 1 }, | |
1728 | { "-font", 0, 10, 1 }, | |
94452530 EZ |
1729 | { "-fs", "--fullscreen", 10, 0 }, |
1730 | { "-fw", "--fullwidth", 10, 0 }, | |
1731 | { "-fh", "--fullheight", 10, 0 }, | |
081bef73 RS |
1732 | { "-g", "--geometry", 10, 1 }, |
1733 | { "-geometry", 0, 10, 1 }, | |
1734 | { "-T", "--title", 10, 1 }, | |
ae63ae52 | 1735 | { "-title", 0, 10, 1 }, |
081bef73 RS |
1736 | { "-name", "--name", 10, 1 }, |
1737 | { "-xrm", "--xrm", 10, 1 }, | |
fcdeb5d9 RS |
1738 | { "-r", "--reverse-video", 5, 0 }, |
1739 | { "-rv", 0, 5, 0 }, | |
1740 | { "-reverse", 0, 5, 0 }, | |
ae63ae52 | 1741 | { "-hb", "--horizontal-scroll-bars", 5, 0 }, |
fcdeb5d9 | 1742 | { "-vb", "--vertical-scroll-bars", 5, 0 }, |
d20e1b1e | 1743 | { "-color", "--color", 5, 0}, |
fcdeb5d9 RS |
1744 | /* These have the same priority as ordinary file name args, |
1745 | so they are not reordered with respect to those. */ | |
4af9e0b3 RS |
1746 | { "-L", "--directory", 0, 1 }, |
1747 | { "-directory", 0, 0, 1 }, | |
fcdeb5d9 RS |
1748 | { "-l", "--load", 0, 1 }, |
1749 | { "-load", 0, 0, 1 }, | |
1750 | { "-f", "--funcall", 0, 1 }, | |
1751 | { "-funcall", 0, 0, 1 }, | |
575985b1 | 1752 | { "-eval", "--eval", 0, 1 }, |
67a5596f | 1753 | { "-execute", "--execute", 0, 1 }, |
2e13f8e9 RS |
1754 | { "-find-file", "--find-file", 0, 1 }, |
1755 | { "-visit", "--visit", 0, 1 }, | |
67a5596f | 1756 | { "-file", "--file", 0, 1 }, |
fcdeb5d9 | 1757 | { "-insert", "--insert", 0, 1 }, |
f2bc3538 | 1758 | /* This should be processed after ordinary file name args and the like. */ |
fcdeb5d9 | 1759 | { "-kill", "--kill", -10, 0 }, |
081bef73 RS |
1760 | }; |
1761 | ||
1762 | /* Reorder the elements of ARGV (assumed to have ARGC elements) | |
1763 | so that the highest priority ones come first. | |
1764 | Do not change the order of elements of equal priority. | |
956e3c7e RS |
1765 | If an option takes an argument, keep it and its argument together. |
1766 | ||
1767 | If an option that takes no argument appears more | |
1768 | than once, eliminate all but one copy of it. */ | |
081bef73 RS |
1769 | |
1770 | static void | |
1771 | sort_args (argc, argv) | |
1772 | int argc; | |
1773 | char **argv; | |
1774 | { | |
1775 | char **new = (char **) xmalloc (sizeof (char *) * argc); | |
1776 | /* For each element of argv, | |
1777 | the corresponding element of options is: | |
1778 | 0 for an option that takes no arguments, | |
1779 | 1 for an option that takes one argument, etc. | |
1780 | -1 for an ordinary non-option argument. */ | |
6dad9359 | 1781 | int *options = (int *) xmalloc (sizeof (int) * argc); |
081bef73 RS |
1782 | int *priority = (int *) xmalloc (sizeof (int) * argc); |
1783 | int to = 1; | |
956e3c7e | 1784 | int incoming_used = 1; |
081bef73 RS |
1785 | int from; |
1786 | int i; | |
1787 | ||
1788 | /* Categorize all the options, | |
1789 | and figure out which argv elts are option arguments. */ | |
1790 | for (from = 1; from < argc; from++) | |
1791 | { | |
1792 | options[from] = -1; | |
fcdeb5d9 | 1793 | priority[from] = 0; |
081bef73 RS |
1794 | if (argv[from][0] == '-') |
1795 | { | |
1796 | int match, thislen; | |
1797 | char *equals; | |
1798 | ||
c96f26f4 RS |
1799 | /* If we have found "--", don't consider |
1800 | any more arguments as options. */ | |
249443b6 | 1801 | if (argv[from][1] == '-' && argv[from][2] == 0) |
c96f26f4 RS |
1802 | { |
1803 | /* Leave the "--", and everything following it, at the end. */ | |
1804 | for (; from < argc; from++) | |
1805 | { | |
1806 | priority[from] = -100; | |
1807 | options[from] = -1; | |
1808 | } | |
1809 | break; | |
1810 | } | |
1811 | ||
081bef73 RS |
1812 | /* Look for a match with a known old-fashioned option. */ |
1813 | for (i = 0; i < sizeof (standard_args) / sizeof (standard_args[0]); i++) | |
1814 | if (!strcmp (argv[from], standard_args[i].name)) | |
1815 | { | |
1816 | options[from] = standard_args[i].nargs; | |
1817 | priority[from] = standard_args[i].priority; | |
fd76ec52 RS |
1818 | if (from + standard_args[i].nargs >= argc) |
1819 | fatal ("Option `%s' requires an argument\n", argv[from]); | |
081bef73 RS |
1820 | from += standard_args[i].nargs; |
1821 | goto done; | |
1822 | } | |
1823 | ||
1824 | /* Look for a match with a known long option. | |
1825 | MATCH is -1 if no match so far, -2 if two or more matches so far, | |
1826 | >= 0 (the table index of the match) if just one match so far. */ | |
1827 | if (argv[from][1] == '-') | |
1828 | { | |
1829 | match = -1; | |
1830 | thislen = strlen (argv[from]); | |
1831 | equals = index (argv[from], '='); | |
1832 | if (equals != 0) | |
1833 | thislen = equals - argv[from]; | |
1834 | ||
f609ef57 KH |
1835 | for (i = 0; |
1836 | i < sizeof (standard_args) / sizeof (standard_args[0]); i++) | |
1837 | if (standard_args[i].longname | |
1838 | && !strncmp (argv[from], standard_args[i].longname, | |
1839 | thislen)) | |
081bef73 RS |
1840 | { |
1841 | if (match == -1) | |
1842 | match = i; | |
1843 | else | |
1844 | match = -2; | |
1845 | } | |
1846 | ||
1847 | /* If we found exactly one match, use that. */ | |
1848 | if (match >= 0) | |
1849 | { | |
1850 | options[from] = standard_args[match].nargs; | |
1851 | priority[from] = standard_args[match].priority; | |
1852 | /* If --OPTION=VALUE syntax is used, | |
1853 | this option uses just one argv element. */ | |
1854 | if (equals != 0) | |
1855 | options[from] = 0; | |
fd76ec52 RS |
1856 | if (from + options[from] >= argc) |
1857 | fatal ("Option `%s' requires an argument\n", argv[from]); | |
081bef73 RS |
1858 | from += options[from]; |
1859 | } | |
1860 | } | |
1861 | done: ; | |
1862 | } | |
1863 | } | |
1864 | ||
1865 | /* Copy the arguments, in order of decreasing priority, to NEW. */ | |
1866 | new[0] = argv[0]; | |
956e3c7e | 1867 | while (incoming_used < argc) |
081bef73 RS |
1868 | { |
1869 | int best = -1; | |
2c70c992 | 1870 | int best_priority = -9999; |
081bef73 RS |
1871 | |
1872 | /* Find the highest priority remaining option. | |
1873 | If several have equal priority, take the first of them. */ | |
1874 | for (from = 1; from < argc; from++) | |
1875 | { | |
1876 | if (argv[from] != 0 && priority[from] > best_priority) | |
1877 | { | |
1878 | best_priority = priority[from]; | |
1879 | best = from; | |
1880 | } | |
1881 | /* Skip option arguments--they are tied to the options. */ | |
1882 | if (options[from] > 0) | |
1883 | from += options[from]; | |
1884 | } | |
7db35a48 | 1885 | |
081bef73 RS |
1886 | if (best < 0) |
1887 | abort (); | |
1888 | ||
956e3c7e RS |
1889 | /* Copy the highest priority remaining option, with its args, to NEW. |
1890 | Unless it is a duplicate of the previous one. */ | |
1891 | if (! (options[best] == 0 | |
1892 | && ! strcmp (new[to - 1], argv[best]))) | |
1893 | { | |
1894 | new[to++] = argv[best]; | |
1895 | for (i = 0; i < options[best]; i++) | |
1896 | new[to++] = argv[best + i + 1]; | |
1897 | } | |
1898 | ||
1899 | incoming_used += 1 + (options[best] > 0 ? options[best] : 0); | |
081bef73 RS |
1900 | |
1901 | /* Clear out this option in ARGV. */ | |
1902 | argv[best] = 0; | |
1903 | for (i = 0; i < options[best]; i++) | |
1904 | argv[best + i + 1] = 0; | |
1905 | } | |
1906 | ||
81b7af72 RS |
1907 | /* If duplicate options were deleted, fill up extra space with null ptrs. */ |
1908 | while (to < argc) | |
1909 | new[to++] = 0; | |
1910 | ||
6dad9359 | 1911 | bcopy (new, argv, sizeof (char *) * argc); |
0bf591da | 1912 | |
0a125897 KL |
1913 | xfree (options); |
1914 | xfree (new); | |
1915 | xfree (priority); | |
081bef73 RS |
1916 | } |
1917 | \f | |
f927c5ae | 1918 | DEFUN ("kill-emacs", Fkill_emacs, Skill_emacs, 0, 1, "P", |
7db35a48 PJ |
1919 | doc: /* Exit the Emacs job and kill it. |
1920 | If ARG is an integer, return ARG as the exit program code. | |
1921 | If ARG is a string, stuff it as keyboard input. | |
1922 | ||
1923 | The value of `kill-emacs-hook', if not void, | |
1924 | is a list of functions (of no args), | |
1925 | all of which are called before Emacs is actually killed. */) | |
1926 | (arg) | |
f927c5ae JB |
1927 | Lisp_Object arg; |
1928 | { | |
f927c5ae JB |
1929 | struct gcpro gcpro1; |
1930 | ||
1931 | GCPRO1 (arg); | |
1932 | ||
1933 | if (feof (stdin)) | |
1934 | arg = Qt; | |
1935 | ||
2447c626 | 1936 | if (!NILP (Vrun_hooks) && !noninteractive) |
f927c5ae JB |
1937 | call1 (Vrun_hooks, intern ("kill-emacs-hook")); |
1938 | ||
f927c5ae JB |
1939 | UNGCPRO; |
1940 | ||
1941 | /* Is it really necessary to do this deassign | |
1942 | when we are going to exit anyway? */ | |
1943 | /* #ifdef VMS | |
1944 | stop_vms_input (); | |
1945 | #endif */ | |
40be253a | 1946 | |
d0068e25 | 1947 | shut_down_emacs (0, 0, STRINGP (arg) ? arg : Qnil); |
40be253a | 1948 | |
58545838 KH |
1949 | /* If we have an auto-save list file, |
1950 | kill it because we are exiting Emacs deliberately (not crashing). | |
1951 | Do it after shut_down_emacs, which does an auto-save. */ | |
1952 | if (STRINGP (Vauto_save_list_file_name)) | |
d5db4077 | 1953 | unlink (SDATA (Vauto_save_list_file_name)); |
58545838 | 1954 | |
55ccc0b3 | 1955 | exit (INTEGERP (arg) ? XINT (arg) |
f927c5ae JB |
1956 | #ifdef VMS |
1957 | : 1 | |
1958 | #else | |
1959 | : 0 | |
1960 | #endif | |
1961 | ); | |
1962 | /* NOTREACHED */ | |
1963 | } | |
40be253a JB |
1964 | |
1965 | ||
1966 | /* Perform an orderly shutdown of Emacs. Autosave any modified | |
1967 | buffers, kill any child processes, clean up the terminal modes (if | |
1968 | we're in the foreground), and other stuff like that. Don't perform | |
1969 | any redisplay; this may be called when Emacs is shutting down in | |
1970 | the background, or after its X connection has died. | |
1971 | ||
1972 | If SIG is a signal number, print a message for it. | |
1973 | ||
1974 | This is called by fatal signal handlers, X protocol error handlers, | |
1975 | and Fkill_emacs. */ | |
f7ab4e3d | 1976 | |
40be253a | 1977 | void |
f7ab4e3d | 1978 | shut_down_emacs (sig, no_x, stuff) |
41423a80 | 1979 | int sig, no_x; |
f7ab4e3d | 1980 | Lisp_Object stuff; |
40be253a | 1981 | { |
829d872b RS |
1982 | /* Prevent running of hooks from now on. */ |
1983 | Vrun_hooks = Qnil; | |
1984 | ||
7db35a48 | 1985 | /* If we are controlling the terminal, reset terminal modes. */ |
40be253a JB |
1986 | #ifdef EMACS_HAVE_TTY_PGRP |
1987 | { | |
d04d81d2 RS |
1988 | int pgrp = EMACS_GETPGRP (0); |
1989 | ||
40be253a JB |
1990 | int tpgrp; |
1991 | if (EMACS_GET_TTY_PGRP (0, &tpgrp) != -1 | |
5a570e37 | 1992 | && tpgrp == pgrp) |
40be253a | 1993 | { |
28d440ab | 1994 | reset_all_sys_modes (); |
40be253a | 1995 | if (sig && sig != SIGTERM) |
7c402969 | 1996 | fprintf (stderr, "Fatal error (%d)", sig); |
40be253a JB |
1997 | } |
1998 | } | |
1999 | #else | |
2000 | fflush (stdout); | |
0a125897 | 2001 | reset_all_sys_modes (); |
40be253a JB |
2002 | #endif |
2003 | ||
f7ab4e3d RS |
2004 | stuff_buffered_input (stuff); |
2005 | ||
40be253a JB |
2006 | kill_buffer_processes (Qnil); |
2007 | Fdo_auto_save (Qt, Qnil); | |
2008 | ||
2009 | #ifdef CLASH_DETECTION | |
2010 | unlock_all_files (); | |
2011 | #endif | |
2012 | ||
2013 | #ifdef VMS | |
2014 | kill_vms_processes (); | |
2015 | #endif | |
2016 | ||
5e7f8733 | 2017 | #if 0 /* This triggers a bug in XCloseDisplay and is not needed. */ |
41423a80 | 2018 | #ifdef HAVE_X_WINDOWS |
f7511647 | 2019 | /* It's not safe to call intern here. Maybe we are crashing. */ |
2246281f KL |
2020 | if (!noninteractive && SYMBOLP (Vinitial_window_system) |
2021 | && SCHARS (SYMBOL_NAME (Vinitial_window_system)) == 1 | |
2022 | && SREF (SYMBOL_NAME (Vinitial_window_system), 0) == 'x' | |
f7511647 | 2023 | && ! no_x) |
41423a80 RS |
2024 | Fx_close_current_connection (); |
2025 | #endif /* HAVE_X_WINDOWS */ | |
5e7f8733 | 2026 | #endif |
41423a80 | 2027 | |
40be253a JB |
2028 | #ifdef SIGIO |
2029 | /* There is a tendency for a SIGIO signal to arrive within exit, | |
2030 | and cause a SIGHUP because the input descriptor is already closed. */ | |
2031 | unrequest_sigio (); | |
2032 | signal (SIGIO, SIG_IGN); | |
2033 | #endif | |
41f339d4 RS |
2034 | |
2035 | #ifdef WINDOWSNT | |
2036 | term_ntproc (); | |
2037 | #endif | |
d546e578 | 2038 | |
cd8d4168 GM |
2039 | /* Do this only if terminating normally, we want glyph matrices |
2040 | etc. in a core dump. */ | |
200f868e | 2041 | if (sig == 0 || sig == SIGTERM) |
cd8d4168 GM |
2042 | { |
2043 | check_glyph_memory (); | |
2044 | check_message_stack (); | |
2045 | } | |
90d920b6 | 2046 | |
d546e578 EZ |
2047 | #ifdef MSDOS |
2048 | dos_cleanup (); | |
2049 | #endif | |
40be253a JB |
2050 | } |
2051 | ||
2052 | ||
f927c5ae JB |
2053 | \f |
2054 | #ifndef CANNOT_DUMP | |
f927c5ae JB |
2055 | |
2056 | #ifdef HAVE_SHM | |
2057 | ||
2058 | DEFUN ("dump-emacs-data", Fdump_emacs_data, Sdump_emacs_data, 1, 1, 0, | |
7db35a48 PJ |
2059 | doc: /* Dump current state of Emacs into data file FILENAME. |
2060 | This function exists on systems that use HAVE_SHM. */) | |
2061 | (filename) | |
c9aae259 | 2062 | Lisp_Object filename; |
f927c5ae | 2063 | { |
55697f5b | 2064 | extern char my_edata[]; |
f927c5ae | 2065 | Lisp_Object tem; |
f927c5ae | 2066 | |
4fab758d | 2067 | check_pure_size (); |
b7826503 | 2068 | CHECK_STRING (filename); |
c9aae259 | 2069 | filename = Fexpand_file_name (filename, Qnil); |
f927c5ae JB |
2070 | |
2071 | tem = Vpurify_flag; | |
2072 | Vpurify_flag = Qnil; | |
2073 | ||
2074 | fflush (stdout); | |
7db35a48 | 2075 | /* Tell malloc where start of impure now is. */ |
f927c5ae JB |
2076 | /* Also arrange for warnings when nearly out of space. */ |
2077 | #ifndef SYSTEM_MALLOC | |
1090a161 | 2078 | memory_warnings (my_edata, malloc_warning); |
f927c5ae | 2079 | #endif |
d5db4077 | 2080 | map_out_data (SDATA (filename)); |
f927c5ae JB |
2081 | |
2082 | Vpurify_flag = tem; | |
2083 | ||
2084 | return Qnil; | |
2085 | } | |
2086 | ||
2087 | #else /* not HAVE_SHM */ | |
2088 | ||
2089 | DEFUN ("dump-emacs", Fdump_emacs, Sdump_emacs, 2, 2, 0, | |
7db35a48 PJ |
2090 | doc: /* Dump current state of Emacs into executable file FILENAME. |
2091 | Take symbols from SYMFILE (presumably the file you executed to run Emacs). | |
2092 | This is used in the file `loadup.el' when building Emacs. | |
2093 | ||
2094 | You must run Emacs in batch mode in order to dump it. */) | |
2095 | (filename, symfile) | |
c9aae259 | 2096 | Lisp_Object filename, symfile; |
f927c5ae | 2097 | { |
55697f5b | 2098 | extern char my_edata[]; |
f927c5ae | 2099 | Lisp_Object tem; |
1b7ddf4f | 2100 | Lisp_Object symbol; |
331379bf | 2101 | int count = SPECPDL_INDEX (); |
4fab758d GM |
2102 | |
2103 | check_pure_size (); | |
f927c5ae | 2104 | |
87a98b1a RS |
2105 | if (! noninteractive) |
2106 | error ("Dumping Emacs works only in batch mode"); | |
2107 | ||
1b7ddf4f RS |
2108 | /* Bind `command-line-processed' to nil before dumping, |
2109 | so that the dumped Emacs will process its command line | |
2110 | and set up to work with X windows if appropriate. */ | |
4aaa3607 | 2111 | symbol = intern ("command-line-processed"); |
1b7ddf4f RS |
2112 | specbind (symbol, Qnil); |
2113 | ||
b7826503 | 2114 | CHECK_STRING (filename); |
c9aae259 EN |
2115 | filename = Fexpand_file_name (filename, Qnil); |
2116 | if (!NILP (symfile)) | |
f927c5ae | 2117 | { |
b7826503 | 2118 | CHECK_STRING (symfile); |
d5db4077 | 2119 | if (SCHARS (symfile)) |
c9aae259 | 2120 | symfile = Fexpand_file_name (symfile, Qnil); |
f927c5ae JB |
2121 | } |
2122 | ||
2123 | tem = Vpurify_flag; | |
2124 | Vpurify_flag = Qnil; | |
2125 | ||
0269dedb RS |
2126 | #ifdef HAVE_TZSET |
2127 | set_time_zone_rule (dump_tz); | |
2128 | #ifndef LOCALTIME_CACHE | |
2129 | /* Force a tz reload, since set_time_zone_rule doesn't. */ | |
2130 | tzset (); | |
2131 | #endif | |
2132 | #endif | |
2133 | ||
f927c5ae JB |
2134 | fflush (stdout); |
2135 | #ifdef VMS | |
d5db4077 | 2136 | mapout_data (SDATA (filename)); |
f927c5ae | 2137 | #else |
7db35a48 | 2138 | /* Tell malloc where start of impure now is. */ |
f927c5ae JB |
2139 | /* Also arrange for warnings when nearly out of space. */ |
2140 | #ifndef SYSTEM_MALLOC | |
cc5f52cb RS |
2141 | #ifndef WINDOWSNT |
2142 | /* On Windows, this was done before dumping, and that once suffices. | |
2143 | Meanwhile, my_edata is not valid on Windows. */ | |
cb37cf78 | 2144 | memory_warnings (my_edata, malloc_warning); |
cc5f52cb | 2145 | #endif /* not WINDOWSNT */ |
15aaf1b5 RS |
2146 | #endif |
2147 | #ifdef DOUG_LEA_MALLOC | |
2148 | malloc_state_ptr = malloc_get_state (); | |
f927c5ae | 2149 | #endif |
2b7377ca | 2150 | |
a74c5ec1 | 2151 | #ifdef USE_MMAP_FOR_BUFFERS |
2b7377ca GM |
2152 | mmap_set_vars (0); |
2153 | #endif | |
d5db4077 KR |
2154 | unexec (SDATA (filename), |
2155 | !NILP (symfile) ? SDATA (symfile) : 0, my_edata, 0, 0); | |
a74c5ec1 | 2156 | #ifdef USE_MMAP_FOR_BUFFERS |
2b7377ca GM |
2157 | mmap_set_vars (1); |
2158 | #endif | |
15aaf1b5 RS |
2159 | #ifdef DOUG_LEA_MALLOC |
2160 | free (malloc_state_ptr); | |
2161 | #endif | |
f927c5ae JB |
2162 | #endif /* not VMS */ |
2163 | ||
2164 | Vpurify_flag = tem; | |
2165 | ||
1b7ddf4f | 2166 | return unbind_to (count, Qnil); |
f927c5ae JB |
2167 | } |
2168 | ||
2169 | #endif /* not HAVE_SHM */ | |
2170 | ||
2171 | #endif /* not CANNOT_DUMP */ | |
2172 | \f | |
68c45bf0 PE |
2173 | #if HAVE_SETLOCALE |
2174 | /* Recover from setlocale (LC_ALL, ""). */ | |
2175 | void | |
2176 | fixup_locale () | |
2177 | { | |
68c45bf0 PE |
2178 | /* The Emacs Lisp reader needs LC_NUMERIC to be "C", |
2179 | so that numbers are read and printed properly for Emacs Lisp. */ | |
2180 | setlocale (LC_NUMERIC, "C"); | |
68c45bf0 PE |
2181 | } |
2182 | ||
0c8559bb PE |
2183 | /* Set system locale CATEGORY, with previous locale *PLOCALE, to |
2184 | DESIRED_LOCALE. */ | |
68c45bf0 PE |
2185 | static void |
2186 | synchronize_locale (category, plocale, desired_locale) | |
2187 | int category; | |
2188 | Lisp_Object *plocale; | |
2189 | Lisp_Object desired_locale; | |
2190 | { | |
0c8559bb PE |
2191 | if (! EQ (*plocale, desired_locale)) |
2192 | { | |
2193 | *plocale = desired_locale; | |
2194 | setlocale (category, (STRINGP (desired_locale) | |
d5db4077 | 2195 | ? (char *)(SDATA (desired_locale)) |
0c8559bb PE |
2196 | : "")); |
2197 | } | |
68c45bf0 PE |
2198 | } |
2199 | ||
ca9c0567 | 2200 | /* Set system time locale to match Vsystem_time_locale, if possible. */ |
68c45bf0 | 2201 | void |
ca9c0567 | 2202 | synchronize_system_time_locale () |
68c45bf0 | 2203 | { |
ca9c0567 PE |
2204 | synchronize_locale (LC_TIME, &Vprevious_system_time_locale, |
2205 | Vsystem_time_locale); | |
68c45bf0 PE |
2206 | } |
2207 | ||
ca9c0567 PE |
2208 | /* Set system messages locale to match Vsystem_messages_locale, if |
2209 | possible. */ | |
68c45bf0 | 2210 | void |
ca9c0567 | 2211 | synchronize_system_messages_locale () |
68c45bf0 PE |
2212 | { |
2213 | #ifdef LC_MESSAGES | |
ca9c0567 PE |
2214 | synchronize_locale (LC_MESSAGES, &Vprevious_system_messages_locale, |
2215 | Vsystem_messages_locale); | |
68c45bf0 PE |
2216 | #endif |
2217 | } | |
2218 | #endif /* HAVE_SETLOCALE */ | |
2219 | \f | |
4b163808 | 2220 | #ifndef SEPCHAR |
f927c5ae JB |
2221 | #define SEPCHAR ':' |
2222 | #endif | |
2223 | ||
2224 | Lisp_Object | |
2225 | decode_env_path (evarname, defalt) | |
2226 | char *evarname, *defalt; | |
2227 | { | |
2228 | register char *path, *p; | |
213d0b1f | 2229 | Lisp_Object lpath, element, tem; |
f927c5ae | 2230 | |
2447c626 JB |
2231 | /* It's okay to use getenv here, because this function is only used |
2232 | to initialize variables when Emacs starts up, and isn't called | |
2233 | after that. */ | |
e065a56e JB |
2234 | if (evarname != 0) |
2235 | path = (char *) getenv (evarname); | |
2236 | else | |
2237 | path = 0; | |
f927c5ae JB |
2238 | if (!path) |
2239 | path = defalt; | |
6a30e6d6 RS |
2240 | #ifdef DOS_NT |
2241 | /* Ensure values from the environment use the proper directory separator. */ | |
2242 | if (path) | |
2243 | { | |
2244 | p = alloca (strlen (path) + 1); | |
2245 | strcpy (p, path); | |
2246 | path = p; | |
2247 | ||
2248 | if ('/' == DIRECTORY_SEP) | |
2249 | dostounix_filename (path); | |
2250 | else | |
2251 | unixtodos_filename (path); | |
2252 | } | |
2253 | #endif | |
f927c5ae JB |
2254 | lpath = Qnil; |
2255 | while (1) | |
2256 | { | |
2257 | p = index (path, SEPCHAR); | |
2258 | if (!p) p = path + strlen (path); | |
213d0b1f RS |
2259 | element = (p - path ? make_string (path, p - path) |
2260 | : build_string (".")); | |
2261 | ||
2262 | /* Add /: to the front of the name | |
2263 | if it would otherwise be treated as magic. */ | |
2264 | tem = Ffind_file_name_handler (element, Qt); | |
ca3df2d5 RS |
2265 | |
2266 | /* However, if the handler says "I'm safe", | |
2267 | don't bother adding /:. */ | |
2268 | if (SYMBOLP (tem)) | |
2269 | { | |
2270 | Lisp_Object prop; | |
2271 | prop = Fget (tem, intern ("safe-magic")); | |
2272 | if (! NILP (prop)) | |
2273 | tem = Qnil; | |
2274 | } | |
2275 | ||
213d0b1f RS |
2276 | if (! NILP (tem)) |
2277 | element = concat2 (build_string ("/:"), element); | |
2278 | ||
2279 | lpath = Fcons (element, lpath); | |
f927c5ae JB |
2280 | if (*p) |
2281 | path = p + 1; | |
2282 | else | |
2283 | break; | |
2284 | } | |
2285 | return Fnreverse (lpath); | |
2286 | } | |
2287 | ||
dfcf069d | 2288 | void |
f927c5ae JB |
2289 | syms_of_emacs () |
2290 | { | |
213d0b1f RS |
2291 | Qfile_name_handler_alist = intern ("file-name-handler-alist"); |
2292 | staticpro (&Qfile_name_handler_alist); | |
2293 | ||
83591e66 | 2294 | #ifndef CANNOT_DUMP |
f927c5ae JB |
2295 | #ifdef HAVE_SHM |
2296 | defsubr (&Sdump_emacs_data); | |
2297 | #else | |
2298 | defsubr (&Sdump_emacs); | |
83591e66 | 2299 | #endif |
f927c5ae JB |
2300 | #endif |
2301 | ||
2302 | defsubr (&Skill_emacs); | |
2303 | ||
59653951 | 2304 | defsubr (&Sinvocation_name); |
ace40a69 | 2305 | defsubr (&Sinvocation_directory); |
59653951 | 2306 | |
f927c5ae | 2307 | DEFVAR_LISP ("command-line-args", &Vcommand_line_args, |
2a9d2ed6 RS |
2308 | doc: /* Args passed by shell to Emacs, as a list of strings. |
2309 | Many arguments are deleted from the list as they are processed. */); | |
f927c5ae JB |
2310 | |
2311 | DEFVAR_LISP ("system-type", &Vsystem_type, | |
7db35a48 | 2312 | doc: /* Value is symbol indicating type of operating system you are using. */); |
f927c5ae JB |
2313 | Vsystem_type = intern (SYSTEM_TYPE); |
2314 | ||
271c7b7c | 2315 | DEFVAR_LISP ("system-configuration", &Vsystem_configuration, |
7db35a48 PJ |
2316 | doc: /* Value is string indicating configuration Emacs was built for. |
2317 | On MS-Windows, the value reflects the OS flavor and version on which | |
2318 | Emacs is running. */); | |
f7511647 | 2319 | Vsystem_configuration = build_string (EMACS_CONFIGURATION); |
271c7b7c | 2320 | |
f0fc0b1a | 2321 | DEFVAR_LISP ("system-configuration-options", &Vsystem_configuration_options, |
7db35a48 | 2322 | doc: /* String containing the configuration options Emacs was built with. */); |
f0fc0b1a KH |
2323 | Vsystem_configuration_options = build_string (EMACS_CONFIG_OPTIONS); |
2324 | ||
f927c5ae | 2325 | DEFVAR_BOOL ("noninteractive", &noninteractive1, |
7db35a48 | 2326 | doc: /* Non-nil means Emacs is running without interactive terminal. */); |
e5d77022 | 2327 | |
e5d77022 | 2328 | DEFVAR_LISP ("kill-emacs-hook", &Vkill_emacs_hook, |
d77b70e5 MR |
2329 | doc: /* Hook to be run when kill-emacs is called. |
2330 | Since `kill-emacs' may be invoked when the terminal is disconnected (or | |
7db35a48 PJ |
2331 | in other similar situations), functions placed on this hook should not |
2332 | expect to be able to interact with the user. To ask for confirmation, | |
d77b70e5 MR |
2333 | see `kill-emacs-query-functions' instead. |
2334 | ||
2335 | The hook is not run in batch mode, i.e., if `noninteractive' is non-nil. */); | |
edc8ae07 | 2336 | Vkill_emacs_hook = Qnil; |
3005da00 | 2337 | |
f9a6326d SM |
2338 | empty_string = build_string (""); |
2339 | staticpro (&empty_string); | |
2340 | ||
7317d9e8 RS |
2341 | #ifdef SIGUSR1 |
2342 | DEFVAR_LISP ("signal-USR1-hook", &Vsignal_USR1_hook, | |
7db35a48 | 2343 | doc: /* Hook to be run whenever emacs receives a USR1 signal. */); |
7317d9e8 RS |
2344 | Vsignal_USR1_hook = Qnil; |
2345 | #ifdef SIGUSR2 | |
2346 | DEFVAR_LISP ("signal-USR2-hook", &Vsignal_USR2_hook, | |
7db35a48 | 2347 | doc: /* Hook to be run whenever emacs receives a USR2 signal. */); |
7317d9e8 RS |
2348 | Vsignal_USR2_hook = Qnil; |
2349 | #endif | |
2350 | #endif | |
2351 | ||
2352 | ||
3005da00 | 2353 | DEFVAR_INT ("emacs-priority", &emacs_priority, |
7db35a48 PJ |
2354 | doc: /* Priority for Emacs to run at. |
2355 | This value is effective only if set before Emacs is dumped, | |
2356 | and only if the Emacs executable is installed with setuid to permit | |
2357 | it to change priority. (Emacs sets its uid back to the real uid.) | |
2358 | Currently, you need to define SET_EMACS_PRIORITY in `config.h' | |
2359 | before you compile Emacs, to enable the code for this feature. */); | |
e7a9e1c3 | 2360 | emacs_priority = 0; |
074a066b GV |
2361 | |
2362 | DEFVAR_LISP ("path-separator", &Vpath_separator, | |
ddb67bdc | 2363 | doc: /* The directory separator in search paths, as a string. */); |
074a066b GV |
2364 | { |
2365 | char c = SEPCHAR; | |
2366 | Vpath_separator = make_string (&c, 1); | |
2367 | } | |
59653951 | 2368 | |
f67de86f | 2369 | DEFVAR_LISP ("invocation-name", &Vinvocation_name, |
7db35a48 PJ |
2370 | doc: /* The program name that was used to run Emacs. |
2371 | Any directory names are omitted. */); | |
f67de86f RS |
2372 | |
2373 | DEFVAR_LISP ("invocation-directory", &Vinvocation_directory, | |
7db35a48 PJ |
2374 | doc: /* The directory in which the Emacs executable was found, to run it. |
2375 | The value is nil if that directory's name is not known. */); | |
f67de86f RS |
2376 | |
2377 | DEFVAR_LISP ("installation-directory", &Vinstallation_directory, | |
7db35a48 PJ |
2378 | doc: /* A directory within which to look for the `lib-src' and `etc' directories. |
2379 | This is non-nil when we can't find those directories in their standard | |
2380 | installed locations, but we can find them | |
2381 | near where the Emacs executable was found. */); | |
07f4d123 | 2382 | Vinstallation_directory = Qnil; |
68c45bf0 | 2383 | |
ca9c0567 | 2384 | DEFVAR_LISP ("system-messages-locale", &Vsystem_messages_locale, |
7db35a48 | 2385 | doc: /* System locale for messages. */); |
ca9c0567 | 2386 | Vsystem_messages_locale = Qnil; |
68c45bf0 | 2387 | |
ca9c0567 | 2388 | DEFVAR_LISP ("previous-system-messages-locale", |
7db35a48 PJ |
2389 | &Vprevious_system_messages_locale, |
2390 | doc: /* Most recently used system locale for messages. */); | |
ca9c0567 | 2391 | Vprevious_system_messages_locale = Qnil; |
68c45bf0 | 2392 | |
ca9c0567 | 2393 | DEFVAR_LISP ("system-time-locale", &Vsystem_time_locale, |
7db35a48 | 2394 | doc: /* System locale for time. */); |
ca9c0567 | 2395 | Vsystem_time_locale = Qnil; |
68c45bf0 | 2396 | |
ca9c0567 | 2397 | DEFVAR_LISP ("previous-system-time-locale", &Vprevious_system_time_locale, |
7db35a48 | 2398 | doc: /* Most recently used system locale for time. */); |
ca9c0567 | 2399 | Vprevious_system_time_locale = Qnil; |
f927c5ae | 2400 | } |
ab5796a9 MB |
2401 | |
2402 | /* arch-tag: 7bfd356a-c720-4612-8ab6-aa4222931c2e | |
2403 | (do not change this comment) */ |