Commit | Line | Data |
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f927c5ae | 1 | /* Fully extensible Emacs, running on Unix, intended for GNU. |
0b5538bd | 2 | Copyright (C) 1985, 1986, 1987, 1993, 1994, 1995, 1997, 1998, 1999, |
ea8c20e0 GM |
3 | 2001, 2002, 2003, 2004, 2005, 2006, 2007, 2008 |
4 | Free Software Foundation, Inc. | |
f927c5ae JB |
5 | |
6 | This file is part of GNU Emacs. | |
7 | ||
9ec0b715 | 8 | GNU Emacs is free software: you can redistribute it and/or modify |
f927c5ae | 9 | it under the terms of the GNU General Public License as published by |
9ec0b715 GM |
10 | the Free Software Foundation, either version 3 of the License, or |
11 | (at your option) any later version. | |
f927c5ae JB |
12 | |
13 | GNU Emacs is distributed in the hope that it will be useful, | |
14 | but WITHOUT ANY WARRANTY; without even the implied warranty of | |
15 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
16 | GNU General Public License for more details. | |
17 | ||
18 | You should have received a copy of the GNU General Public License | |
9ec0b715 | 19 | along with GNU Emacs. If not, see <http://www.gnu.org/licenses/>. */ |
f927c5ae JB |
20 | |
21 | ||
68c45bf0 | 22 | #include <config.h> |
f927c5ae JB |
23 | #include <signal.h> |
24 | #include <errno.h> | |
f927c5ae JB |
25 | #include <stdio.h> |
26 | ||
27 | #include <sys/types.h> | |
28 | #include <sys/file.h> | |
29 | ||
cda4a5fd GM |
30 | #ifdef HAVE_UNISTD_H |
31 | #include <unistd.h> | |
32 | #endif | |
33 | ||
488b7cb3 | 34 | #ifdef BSD_SYSTEM |
f927c5ae JB |
35 | #include <sys/ioctl.h> |
36 | #endif | |
37 | ||
edd3ff1d JR |
38 | #ifdef WINDOWSNT |
39 | #include <fcntl.h> | |
52c7f9ee JR |
40 | #include <windows.h> /* just for w32.h */ |
41 | #include "w32.h" | |
c68a2829 | 42 | #include "w32heap.h" /* for prototype of sbrk */ |
edd3ff1d JR |
43 | #endif |
44 | ||
edfda783 AR |
45 | #ifdef NS_IMPL_GNUSTEP |
46 | /* At least under Debian, GSConfig is in a subdirectory. --Stef */ | |
47 | #include <GNUstepBase/GSConfig.h> | |
48 | #endif | |
49 | ||
f927c5ae JB |
50 | #include "lisp.h" |
51 | #include "commands.h" | |
bef79ee4 | 52 | #include "intervals.h" |
a08a816a | 53 | #include "buffer.h" |
3f6abfd7 | 54 | #include "window.h" |
f927c5ae | 55 | |
edc8ae07 | 56 | #include "systty.h" |
6c3a4e9d | 57 | #include "blockinput.h" |
8090eb09 | 58 | #include "syssignal.h" |
6c362a8b | 59 | #include "process.h" |
428a555e | 60 | #include "frame.h" |
5bda49c6 | 61 | #include "termhooks.h" |
dfcf069d | 62 | #include "keyboard.h" |
e35f6ff7 | 63 | #include "keymap.h" |
a41f8bed | 64 | |
68c45bf0 PE |
65 | #ifdef HAVE_SETLOCALE |
66 | #include <locale.h> | |
67 | #endif | |
68 | ||
53c58b5d RS |
69 | #ifdef HAVE_SETRLIMIT |
70 | #include <sys/time.h> | |
71 | #include <sys/resource.h> | |
72 | #endif | |
73 | ||
dede2792 JD |
74 | #ifdef HAVE_PERSONALITY_LINUX32 |
75 | #include <sys/personality.h> | |
76 | #endif | |
77 | ||
f927c5ae JB |
78 | #ifndef O_RDWR |
79 | #define O_RDWR 2 | |
80 | #endif | |
81 | ||
f95c3f91 | 82 | #ifdef HAVE_SETPGID |
2b7e8799 | 83 | #if !defined (USG) || defined (BSD_PGRPS) |
90553aa3 | 84 | #undef setpgrp |
f95c3f91 GM |
85 | #define setpgrp setpgid |
86 | #endif | |
2b7e8799 | 87 | #endif |
f95c3f91 | 88 | |
90553aa3 DL |
89 | extern void malloc_warning P_ ((char *)); |
90 | extern void set_time_zone_rule P_ ((char *)); | |
8892f40b GM |
91 | #ifdef HAVE_INDEX |
92 | extern char *index P_ ((const char *, int)); | |
93 | #endif | |
43165242 | 94 | |
30aa3f19 GM |
95 | /* Make these values available in GDB, which doesn't see macros. */ |
96 | ||
6b61353c KH |
97 | #ifdef USE_LSB_TAG |
98 | int gdb_use_lsb = 1; | |
99 | #else | |
100 | int gdb_use_lsb = 0; | |
101 | #endif | |
6e5cb96f | 102 | #ifndef USE_LISP_UNION_TYPE |
6b61353c KH |
103 | int gdb_use_union = 0; |
104 | #else | |
105 | int gdb_use_union = 1; | |
106 | #endif | |
30aa3f19 GM |
107 | EMACS_INT gdb_valbits = VALBITS; |
108 | EMACS_INT gdb_gctypebits = GCTYPEBITS; | |
30aa3f19 GM |
109 | #ifdef DATA_SEG_BITS |
110 | EMACS_INT gdb_data_seg_bits = DATA_SEG_BITS; | |
111 | #else | |
df50cf6c | 112 | EMACS_INT gdb_data_seg_bits = 0; |
30aa3f19 | 113 | #endif |
00da0e4a | 114 | EMACS_INT PVEC_FLAG = PSEUDOVECTOR_FLAG; |
3fba6ca9 | 115 | EMACS_INT gdb_array_mark_flag = ARRAY_MARK_FLAG; |
6baa02d6 EZ |
116 | /* GDB might say "No enum type named pvec_type" if we don't have at |
117 | least one symbol with that type, and then xbacktrace could fail. */ | |
118 | enum pvec_type gdb_pvec_type = PVEC_TYPE_MASK; | |
30aa3f19 | 119 | |
7db35a48 | 120 | /* Command line args from shell, as list of strings. */ |
f927c5ae JB |
121 | Lisp_Object Vcommand_line_args; |
122 | ||
59653951 JB |
123 | /* The name under which Emacs was invoked, with any leading directory |
124 | names discarded. */ | |
125 | Lisp_Object Vinvocation_name; | |
126 | ||
ace40a69 RS |
127 | /* The directory name from which Emacs was invoked. */ |
128 | Lisp_Object Vinvocation_directory; | |
129 | ||
07f4d123 RS |
130 | /* The directory name in which to find subdirs such as lisp and etc. |
131 | nil means get them only from PATH_LOADSEARCH. */ | |
132 | Lisp_Object Vinstallation_directory; | |
133 | ||
e5d77022 JB |
134 | /* Hook run by `kill-emacs' before it does really anything. */ |
135 | Lisp_Object Vkill_emacs_hook; | |
136 | ||
7e9fa161 JB |
137 | /* Empty lisp strings. To avoid having to build any others. */ |
138 | Lisp_Object empty_unibyte_string, empty_multibyte_string; | |
f9a6326d | 139 | |
074a066b GV |
140 | /* Search path separator. */ |
141 | Lisp_Object Vpath_separator; | |
142 | ||
f927c5ae JB |
143 | /* Set nonzero after Emacs has started up the first time. |
144 | Prevents reinitialization of the Lisp world and keymaps | |
145 | on subsequent starts. */ | |
146 | int initialized; | |
147 | ||
15aaf1b5 RS |
148 | #ifdef DOUG_LEA_MALLOC |
149 | /* Preserves a pointer to the memory allocated that copies that | |
150 | static data inside glibc's malloc. */ | |
151 | void *malloc_state_ptr; | |
152 | /* From glibc, a routine that returns a copy of the malloc internal state. */ | |
153 | extern void *malloc_get_state (); | |
154 | /* From glibc, a routine that overwrites the malloc internal state. */ | |
fa8459a3 | 155 | extern int malloc_set_state (); |
7c9cd446 AS |
156 | /* Non-zero if the MALLOC_CHECK_ enviroment variable was set while |
157 | dumping. Used to work around a bug in glibc's malloc. */ | |
158 | int malloc_using_checking; | |
15aaf1b5 RS |
159 | #endif |
160 | ||
271c7b7c | 161 | /* Variable whose value is symbol giving operating system type. */ |
f927c5ae | 162 | Lisp_Object Vsystem_type; |
271c7b7c RS |
163 | |
164 | /* Variable whose value is string giving configuration built for. */ | |
165 | Lisp_Object Vsystem_configuration; | |
f0fc0b1a KH |
166 | |
167 | /* Variable whose value is string giving configuration options, | |
168 | for use when reporting bugs. */ | |
169 | Lisp_Object Vsystem_configuration_options; | |
170 | ||
213d0b1f RS |
171 | Lisp_Object Qfile_name_handler_alist; |
172 | ||
68c45bf0 | 173 | /* Current and previous system locales for messages and time. */ |
ca9c0567 PE |
174 | Lisp_Object Vsystem_messages_locale; |
175 | Lisp_Object Vprevious_system_messages_locale; | |
176 | Lisp_Object Vsystem_time_locale; | |
177 | Lisp_Object Vprevious_system_time_locale; | |
68c45bf0 | 178 | |
7d0393cf | 179 | /* If non-zero, emacs should not attempt to use a window-specific code, |
7db35a48 | 180 | but instead should use the virtual terminal under which it was started. */ |
f927c5ae JB |
181 | int inhibit_window_system; |
182 | ||
5aa7f46a JB |
183 | /* If nonzero, set Emacs to run at this priority. This is also used |
184 | in child_setup and sys_suspend to make sure subshells run at normal | |
7db35a48 | 185 | priority; those functions have their own extern declaration. */ |
31ade731 | 186 | EMACS_INT emacs_priority; |
3005da00 | 187 | |
7db35a48 PJ |
188 | /* If non-zero, a filter or a sentinel is running. Tested to save the match |
189 | data on the first attempt to change it inside asynchronous code. */ | |
7074fde6 FP |
190 | int running_asynch_code; |
191 | ||
647cec74 | 192 | #ifdef BSD_PGRPS |
9ae8f997 JB |
193 | /* See sysdep.c. */ |
194 | extern int inherited_pgroup; | |
195 | #endif | |
196 | ||
edfda783 | 197 | #if defined(HAVE_X_WINDOWS) || defined(HAVE_NS) |
7db35a48 | 198 | /* If non-zero, -d was specified, meaning we're using some window system. */ |
f927c5ae JB |
199 | int display_arg; |
200 | #endif | |
201 | ||
202 | /* An address near the bottom of the stack. | |
203 | Tells GC how to save a copy of the stack. */ | |
204 | char *stack_bottom; | |
205 | ||
dede2792 JD |
206 | /* The address where the heap starts (from the first sbrk (0) call). */ |
207 | static void *my_heap_start; | |
208 | ||
209 | /* The gap between BSS end and heap start as far as we can tell. */ | |
210 | static unsigned long heap_bss_diff; | |
211 | ||
212 | /* If the gap between BSS end and heap start is larger than this we try to | |
213 | work around it, and if that fails, output a warning in dump-emacs. */ | |
214 | #define MAX_HEAP_BSS_DIFF (1024*1024) | |
215 | ||
216 | ||
8ba50e1a | 217 | #ifdef HAVE_WINDOW_SYSTEM |
2246281f | 218 | extern Lisp_Object Vinitial_window_system; |
8ba50e1a | 219 | #endif /* HAVE_WINDOW_SYSTEM */ |
f927c5ae | 220 | |
1090a161 RS |
221 | extern Lisp_Object Vauto_save_list_file_name; |
222 | ||
9db03f6c KS |
223 | extern Lisp_Object Vinhibit_redisplay; |
224 | ||
f927c5ae JB |
225 | /* Nonzero means running Emacs without interactive terminal. */ |
226 | ||
227 | int noninteractive; | |
228 | ||
229 | /* Value of Lisp variable `noninteractive'. | |
230 | Normally same as C variable `noninteractive' | |
231 | but nothing terrible happens if user sets this one. */ | |
232 | ||
233 | int noninteractive1; | |
e29f86e4 RS |
234 | |
235 | /* Save argv and argc. */ | |
236 | char **initial_argv; | |
237 | int initial_argc; | |
081bef73 RS |
238 | |
239 | static void sort_args (); | |
dfcf069d | 240 | void syms_of_emacs (); |
bd4590ba | 241 | |
6b61353c KH |
242 | /* MSVC needs each string be shorter than 2048 bytes, so the usage |
243 | strings below are split to not overflow this limit. */ | |
73ebcd25 | 244 | #define USAGE1 "\ |
bd4590ba GM |
245 | Usage: %s [OPTION-OR-FILENAME]...\n\ |
246 | \n\ | |
247 | Run Emacs, the extensible, customizable, self-documenting real-time\n\ | |
248 | display editor. The recommended way to start Emacs for normal editing\n\ | |
249 | is with no options at all.\n\ | |
250 | \n\ | |
49ca717b | 251 | Run M-x info RET m emacs RET m emacs invocation RET inside Emacs to\n\ |
bd4590ba GM |
252 | read the main documentation for these command-line arguments.\n\ |
253 | \n\ | |
254 | Initialization options:\n\ | |
255 | \n\ | |
6b61353c KH |
256 | --batch do not do interactive display; implies -q\n\ |
257 | --debug-init enable Emacs Lisp debugger for init file\n\ | |
258 | --display, -d DISPLAY use X server DISPLAY\n\ | |
259 | --multibyte, --no-unibyte inhibit the effect of EMACS_UNIBYTE\n\ | |
260 | --no-desktop do not load a saved desktop\n\ | |
261 | --no-init-file, -q load neither ~/.emacs nor default.el\n\ | |
262 | --no-shared-memory, -nl do not use shared memory\n\ | |
263 | --no-site-file do not load site-start.el\n\ | |
264 | --no-splash do not display a splash screen on startup\n\ | |
2ff86b4e | 265 | --no-window-system, -nw do not communicate with X, ignoring $DISPLAY\n\ |
bae52079 | 266 | --quick, -Q equivalent to -q --no-site-file --no-splash\n\ |
6b61353c KH |
267 | --script FILE run FILE as an Emacs Lisp script\n\ |
268 | --terminal, -t DEVICE use DEVICE for terminal I/O\n\ | |
bd4590ba | 269 | --unibyte, --no-multibyte run Emacs in unibyte mode\n\ |
6b61353c KH |
270 | --user, -u USER load ~USER/.emacs instead of your own\n\ |
271 | \n%s" | |
272 | ||
273 | #define USAGE2 "\ | |
bd4590ba GM |
274 | Action options:\n\ |
275 | \n\ | |
6b61353c | 276 | FILE visit FILE using find-file\n\ |
1dce1149 RS |
277 | +LINE go to line LINE in next FILE\n\ |
278 | +LINE:COLUMN go to line LINE, column COLUMN, in next FILE\n\ | |
6b61353c KH |
279 | --directory, -L DIR add DIR to variable load-path\n\ |
280 | --eval EXPR evaluate Emacs Lisp expression EXPR\n\ | |
281 | --execute EXPR evaluate Emacs Lisp expression EXPR\n\ | |
282 | --file FILE visit FILE using find-file\n\ | |
283 | --find-file FILE visit FILE using find-file\n\ | |
284 | --funcall, -f FUNC call Emacs Lisp function FUNC with no arguments\n\ | |
285 | --insert FILE insert contents of FILE into current buffer\n\ | |
286 | --kill exit without asking for confirmation\n\ | |
287 | --load, -l FILE load Emacs Lisp FILE using the load function\n\ | |
288 | --visit FILE visit FILE using find-file\n\ | |
73ebcd25 AI |
289 | \n" |
290 | ||
6b61353c | 291 | #define USAGE3 "\ |
5b2ca26b | 292 | Display options:\n\ |
bd4590ba | 293 | \n\ |
6b61353c | 294 | --background-color, -bg COLOR window background color\n\ |
2ff86b4e NR |
295 | --basic-display, -D disable many display features;\n\ |
296 | used for debugging Emacs\n\ | |
6b61353c KH |
297 | --border-color, -bd COLOR main border color\n\ |
298 | --border-width, -bw WIDTH width of main border\n\ | |
ced74849 | 299 | --color, --color=MODE override color mode for character terminals;\n\ |
6b61353c KH |
300 | MODE defaults to `auto', and can also\n\ |
301 | be `never', `auto', `always',\n\ | |
302 | or a mode name like `ansi8'\n\ | |
303 | --cursor-color, -cr COLOR color of the Emacs cursor indicating point\n\ | |
304 | --font, -fn FONT default font; must be fixed-width\n\ | |
305 | --foreground-color, -fg COLOR window foreground color\n\ | |
306 | --fullheight, -fh make the first frame high as the screen\n\ | |
307 | --fullscreen, -fs make first frame fullscreen\n\ | |
308 | --fullwidth, -fw make the first frame wide as the screen\n\ | |
309 | --geometry, -g GEOMETRY window geometry\n\ | |
f9e36a6d | 310 | --no-bitmap-icon, -nbi do not use picture of gnu for Emacs icon\n\ |
6b61353c KH |
311 | --iconic start Emacs in iconified state\n\ |
312 | --internal-border, -ib WIDTH width between text and main border\n\ | |
313 | --line-spacing, -lsp PIXELS additional space to put between lines\n\ | |
314 | --mouse-color, -ms COLOR mouse cursor color in Emacs window\n\ | |
315 | --name NAME title for initial Emacs frame\n\ | |
49ca717b | 316 | --no-blinking-cursor, -nbc disable blinking cursor\n\ |
6b61353c KH |
317 | --reverse-video, -r, -rv switch foreground and background\n\ |
318 | --title, -T TITLE title for initial Emacs frame\n\ | |
319 | --vertical-scroll-bars, -vb enable vertical scroll bars\n\ | |
320 | --xrm XRESOURCES set additional X resources\n\ | |
1540a61a | 321 | --parent-id XID set parent window\n\ |
6b61353c KH |
322 | --help display this help and exit\n\ |
323 | --version output version information and exit\n\ | |
07beadff JR |
324 | \n" |
325 | ||
326 | #define USAGE4 "\ | |
bd4590ba GM |
327 | You can generally also specify long option names with a single -; for\n\ |
328 | example, -batch as well as --batch. You can use any unambiguous\n\ | |
329 | abbreviation for a --option.\n\ | |
330 | \n\ | |
331 | Various environment variables and window system resources also affect\n\ | |
332 | Emacs' operation. See the main documentation.\n\ | |
07beadff | 333 | \n\ |
d883731c | 334 | Report bugs to %s. First, please see the Bugs\n\ |
bd4590ba GM |
335 | section of the Emacs manual or the file BUGS.\n" |
336 | ||
f927c5ae | 337 | \f |
7db35a48 | 338 | /* Signal code for the fatal signal that was received. */ |
f927c5ae JB |
339 | int fatal_error_code; |
340 | ||
7db35a48 | 341 | /* Nonzero if handling a fatal error already. */ |
f927c5ae JB |
342 | int fatal_error_in_progress; |
343 | ||
7db35a48 | 344 | /* If non-null, call this function from fatal_error_signal before |
4fab758d GM |
345 | committing suicide. */ |
346 | ||
347 | void (*fatal_error_signal_hook) P_ ((void)); | |
348 | ||
3e9de9f6 | 349 | #ifdef FORWARD_SIGNAL_TO_MAIN_THREAD |
9e2a2647 DN |
350 | /* When compiled with GTK and running under Gnome, |
351 | multiple threads may be created. Keep track of our main | |
3e9de9f6 | 352 | thread to make sure signals are delivered to it (see syssignal.h). */ |
333f1b6f JD |
353 | |
354 | pthread_t main_thread; | |
355 | #endif | |
356 | ||
4fab758d | 357 | |
7db35a48 | 358 | /* Handle bus errors, invalid instruction, etc. */ |
2447c626 | 359 | SIGTYPE |
f927c5ae JB |
360 | fatal_error_signal (sig) |
361 | int sig; | |
362 | { | |
333f1b6f | 363 | SIGNAL_THREAD_CHECK (sig); |
f927c5ae JB |
364 | fatal_error_code = sig; |
365 | signal (sig, SIG_DFL); | |
366 | ||
061b7f94 RS |
367 | TOTALLY_UNBLOCK_INPUT; |
368 | ||
f927c5ae | 369 | /* If fatal error occurs in code below, avoid infinite recursion. */ |
8090eb09 JB |
370 | if (! fatal_error_in_progress) |
371 | { | |
372 | fatal_error_in_progress = 1; | |
f927c5ae | 373 | |
f7ab4e3d | 374 | shut_down_emacs (sig, 0, Qnil); |
8090eb09 | 375 | } |
f927c5ae | 376 | |
8090eb09 JB |
377 | /* Signal the same code; this time it will really be fatal. |
378 | Remember that since we're in a signal handler, the signal we're | |
379 | going to send is probably blocked, so we have to unblock it if we | |
380 | want to really receive it. */ | |
29b89fe0 | 381 | #ifndef MSDOS |
a90538cb | 382 | sigunblock (sigmask (fatal_error_code)); |
29b89fe0 | 383 | #endif |
4fab758d GM |
384 | |
385 | if (fatal_error_signal_hook) | |
386 | fatal_error_signal_hook (); | |
7db35a48 | 387 | |
f927c5ae | 388 | kill (getpid (), fatal_error_code); |
f927c5ae | 389 | } |
271c7b7c RS |
390 | |
391 | #ifdef SIGDANGER | |
392 | ||
16c323ee | 393 | /* Handler for SIGDANGER. */ |
271c7b7c RS |
394 | SIGTYPE |
395 | memory_warning_signal (sig) | |
396 | int sig; | |
397 | { | |
398 | signal (sig, memory_warning_signal); | |
333f1b6f | 399 | SIGNAL_THREAD_CHECK (sig); |
271c7b7c RS |
400 | |
401 | malloc_warning ("Operating system warns that virtual memory is running low.\n"); | |
55796183 RS |
402 | |
403 | /* It might be unsafe to call do_auto_save now. */ | |
404 | force_auto_save_soon (); | |
271c7b7c RS |
405 | } |
406 | #endif | |
fcf01ad3 RS |
407 | |
408 | /* We define abort, rather than using it from the library, | |
c9fe9cce | 409 | so that GDB can return from a breakpoint here. |
7db35a48 | 410 | MSDOS has its own definition in msdos.c. */ |
fcf01ad3 | 411 | |
37e2fdd2 | 412 | #if ! defined (DOS_NT) && ! defined (NO_ABORT) |
ca9c0567 | 413 | |
4624371d | 414 | void |
fcf01ad3 RS |
415 | abort () |
416 | { | |
417 | kill (getpid (), SIGABRT); | |
37e2fdd2 RS |
418 | /* This shouldn't be executed, but it prevents a warning. */ |
419 | exit (1); | |
fcf01ad3 | 420 | } |
c9fe9cce | 421 | #endif |
fcf01ad3 | 422 | |
f927c5ae | 423 | \f |
7db35a48 | 424 | /* Code for dealing with Lisp access to the Unix command line. */ |
f927c5ae | 425 | |
dfcf069d | 426 | static void |
f927c5ae JB |
427 | init_cmdargs (argc, argv, skip_args) |
428 | int argc; | |
429 | char **argv; | |
430 | int skip_args; | |
431 | { | |
432 | register int i; | |
213d0b1f | 433 | Lisp_Object name, dir, tem; |
aed13378 | 434 | int count = SPECPDL_INDEX (); |
213d0b1f | 435 | Lisp_Object raw_name; |
f927c5ae | 436 | |
e29f86e4 RS |
437 | initial_argv = argv; |
438 | initial_argc = argc; | |
439 | ||
213d0b1f RS |
440 | raw_name = build_string (argv[0]); |
441 | ||
442 | /* Add /: to the front of the name | |
443 | if it would otherwise be treated as magic. */ | |
444 | tem = Ffind_file_name_handler (raw_name, Qt); | |
445 | if (! NILP (tem)) | |
446 | raw_name = concat2 (build_string ("/:"), raw_name); | |
447 | ||
448 | Vinvocation_name = Ffile_name_nondirectory (raw_name); | |
449 | Vinvocation_directory = Ffile_name_directory (raw_name); | |
450 | ||
ace40a69 RS |
451 | /* If we got no directory in argv[0], search PATH to find where |
452 | Emacs actually came from. */ | |
453 | if (NILP (Vinvocation_directory)) | |
454 | { | |
455 | Lisp_Object found; | |
456 | int yes = openp (Vexec_path, Vinvocation_name, | |
10c0915e | 457 | Vexec_suffixes, &found, make_number (X_OK)); |
e443f843 | 458 | if (yes == 1) |
213d0b1f RS |
459 | { |
460 | /* Add /: to the front of the name | |
461 | if it would otherwise be treated as magic. */ | |
462 | tem = Ffind_file_name_handler (found, Qt); | |
463 | if (! NILP (tem)) | |
464 | found = concat2 (build_string ("/:"), found); | |
465 | Vinvocation_directory = Ffile_name_directory (found); | |
466 | } | |
ace40a69 | 467 | } |
59653951 | 468 | |
4133b300 RS |
469 | if (!NILP (Vinvocation_directory) |
470 | && NILP (Ffile_name_absolute_p (Vinvocation_directory))) | |
213d0b1f RS |
471 | /* Emacs was started with relative path, like ./emacs. |
472 | Make it absolute. */ | |
4133b300 RS |
473 | Vinvocation_directory = Fexpand_file_name (Vinvocation_directory, Qnil); |
474 | ||
07f4d123 RS |
475 | Vinstallation_directory = Qnil; |
476 | ||
477 | if (!NILP (Vinvocation_directory)) | |
478 | { | |
479 | dir = Vinvocation_directory; | |
480 | name = Fexpand_file_name (Vinvocation_name, dir); | |
481 | while (1) | |
482 | { | |
f5ab9736 | 483 | Lisp_Object tem, lib_src_exists; |
07f4d123 RS |
484 | Lisp_Object etc_exists, info_exists; |
485 | ||
f5ab9736 RS |
486 | /* See if dir contains subdirs for use by Emacs. |
487 | Check for the ones that would exist in a build directory, | |
488 | not including lisp and info. */ | |
489 | tem = Fexpand_file_name (build_string ("lib-src"), dir); | |
490 | lib_src_exists = Ffile_exists_p (tem); | |
de004cc6 | 491 | |
70344b34 | 492 | #ifdef MSDOS |
de004cc6 RS |
493 | /* MSDOS installations frequently remove lib-src, but we still |
494 | must set installation-directory, or else info won't find | |
495 | its files (it uses the value of installation-directory). */ | |
496 | tem = Fexpand_file_name (build_string ("info"), dir); | |
497 | info_exists = Ffile_exists_p (tem); | |
70344b34 EZ |
498 | #else |
499 | info_exists = Qnil; | |
500 | #endif | |
de004cc6 RS |
501 | |
502 | if (!NILP (lib_src_exists) || !NILP (info_exists)) | |
07f4d123 | 503 | { |
f5ab9736 RS |
504 | tem = Fexpand_file_name (build_string ("etc"), dir); |
505 | etc_exists = Ffile_exists_p (tem); | |
506 | if (!NILP (etc_exists)) | |
07f4d123 | 507 | { |
f5ab9736 RS |
508 | Vinstallation_directory |
509 | = Ffile_name_as_directory (dir); | |
510 | break; | |
07f4d123 RS |
511 | } |
512 | } | |
513 | ||
514 | /* See if dir's parent contains those subdirs. */ | |
f5ab9736 RS |
515 | tem = Fexpand_file_name (build_string ("../lib-src"), dir); |
516 | lib_src_exists = Ffile_exists_p (tem); | |
de004cc6 | 517 | |
70344b34 EZ |
518 | |
519 | #ifdef MSDOS | |
520 | /* See the MSDOS commentary above. */ | |
de004cc6 RS |
521 | tem = Fexpand_file_name (build_string ("../info"), dir); |
522 | info_exists = Ffile_exists_p (tem); | |
70344b34 EZ |
523 | #else |
524 | info_exists = Qnil; | |
525 | #endif | |
de004cc6 RS |
526 | |
527 | if (!NILP (lib_src_exists) || !NILP (info_exists)) | |
07f4d123 | 528 | { |
f5ab9736 RS |
529 | tem = Fexpand_file_name (build_string ("../etc"), dir); |
530 | etc_exists = Ffile_exists_p (tem); | |
531 | if (!NILP (etc_exists)) | |
07f4d123 | 532 | { |
f5ab9736 RS |
533 | tem = Fexpand_file_name (build_string (".."), dir); |
534 | Vinstallation_directory | |
535 | = Ffile_name_as_directory (tem); | |
536 | break; | |
07f4d123 RS |
537 | } |
538 | } | |
539 | ||
540 | /* If the Emacs executable is actually a link, | |
541 | next try the dir that the link points into. */ | |
542 | tem = Ffile_symlink_p (name); | |
543 | if (!NILP (tem)) | |
544 | { | |
260ec24d | 545 | name = Fexpand_file_name (tem, dir); |
07f4d123 RS |
546 | dir = Ffile_name_directory (name); |
547 | } | |
548 | else | |
549 | break; | |
550 | } | |
551 | } | |
552 | ||
f927c5ae JB |
553 | Vcommand_line_args = Qnil; |
554 | ||
555 | for (i = argc - 1; i >= 0; i--) | |
556 | { | |
557 | if (i == 0 || i > skip_args) | |
a520393d KH |
558 | /* For the moment, we keep arguments as is in unibyte strings. |
559 | They are decoded in the function command-line after we know | |
560 | locale-coding-system. */ | |
f927c5ae | 561 | Vcommand_line_args |
68db37aa | 562 | = Fcons (make_unibyte_string (argv[i], strlen (argv[i])), |
a520393d | 563 | Vcommand_line_args); |
f927c5ae | 564 | } |
213d0b1f RS |
565 | |
566 | unbind_to (count, Qnil); | |
f927c5ae | 567 | } |
59653951 JB |
568 | |
569 | DEFUN ("invocation-name", Finvocation_name, Sinvocation_name, 0, 0, 0, | |
7db35a48 PJ |
570 | doc: /* Return the program name that was used to run Emacs. |
571 | Any directory names are omitted. */) | |
572 | () | |
59653951 JB |
573 | { |
574 | return Fcopy_sequence (Vinvocation_name); | |
575 | } | |
576 | ||
ace40a69 | 577 | DEFUN ("invocation-directory", Finvocation_directory, Sinvocation_directory, |
7db35a48 PJ |
578 | 0, 0, 0, |
579 | doc: /* Return the directory name in which the Emacs executable was located. */) | |
580 | () | |
ace40a69 RS |
581 | { |
582 | return Fcopy_sequence (Vinvocation_directory); | |
583 | } | |
584 | ||
f927c5ae | 585 | \f |
0269dedb RS |
586 | #ifdef HAVE_TZSET |
587 | /* A valid but unlikely value for the TZ environment value. | |
588 | It is OK (though a bit slower) if the user actually chooses this value. */ | |
589 | static char dump_tz[] = "UtC0"; | |
590 | #endif | |
591 | ||
a90538cb | 592 | #ifndef ORDINARY_LINK |
efd241cc RS |
593 | /* We don't include crtbegin.o and crtend.o in the link, |
594 | so these functions and variables might be missed. | |
595 | Provide dummy definitions to avoid error. | |
596 | (We don't have any real constructors or destructors.) */ | |
597 | #ifdef __GNUC__ | |
46e65b73 | 598 | #ifndef GCC_CTORS_IN_LIBC |
dfcf069d | 599 | void __do_global_ctors () |
efd241cc | 600 | {} |
dfcf069d | 601 | void __do_global_ctors_aux () |
c83a7064 | 602 | {} |
dfcf069d | 603 | void __do_global_dtors () |
33143604 | 604 | {} |
554061d8 | 605 | /* GNU/Linux has a bug in its library; avoid an error. */ |
8a2a6032 | 606 | #ifndef GNU_LINUX |
c83a7064 | 607 | char * __CTOR_LIST__[2] = { (char *) (-1), 0 }; |
64c1864a | 608 | #endif |
c83a7064 | 609 | char * __DTOR_LIST__[2] = { (char *) (-1), 0 }; |
46e65b73 | 610 | #endif /* GCC_CTORS_IN_LIBC */ |
dfcf069d | 611 | void __main () |
efd241cc | 612 | {} |
efd241cc | 613 | #endif /* __GNUC__ */ |
a90538cb | 614 | #endif /* ORDINARY_LINK */ |
efd241cc | 615 | |
e2925360 KH |
616 | /* Test whether the next argument in ARGV matches SSTR or a prefix of |
617 | LSTR (at least MINLEN characters). If so, then if VALPTR is non-null | |
618 | (the argument is supposed to have a value) store in *VALPTR either | |
619 | the next argument or the portion of this one after the equal sign. | |
620 | ARGV is read starting at position *SKIPPTR; this index is advanced | |
621 | by the number of arguments used. | |
622 | ||
623 | Too bad we can't just use getopt for all of this, but we don't have | |
624 | enough information to do it right. */ | |
081bef73 | 625 | |
e2925360 | 626 | static int |
df6530f8 | 627 | argmatch (argv, argc, sstr, lstr, minlen, valptr, skipptr) |
e2925360 | 628 | char **argv; |
df6530f8 | 629 | int argc; |
e2925360 KH |
630 | char *sstr; |
631 | char *lstr; | |
632 | int minlen; | |
633 | char **valptr; | |
634 | int *skipptr; | |
635 | { | |
6bbd7a29 | 636 | char *p = NULL; |
e2925360 | 637 | int arglen; |
df6530f8 RS |
638 | char *arg; |
639 | ||
640 | /* Don't access argv[argc]; give up in advance. */ | |
641 | if (argc <= *skipptr + 1) | |
642 | return 0; | |
643 | ||
644 | arg = argv[*skipptr+1]; | |
e2925360 KH |
645 | if (arg == NULL) |
646 | return 0; | |
647 | if (strcmp (arg, sstr) == 0) | |
648 | { | |
649 | if (valptr != NULL) | |
650 | { | |
651 | *valptr = argv[*skipptr+2]; | |
652 | *skipptr += 2; | |
653 | } | |
654 | else | |
655 | *skipptr += 1; | |
656 | return 1; | |
657 | } | |
658 | arglen = (valptr != NULL && (p = index (arg, '=')) != NULL | |
659 | ? p - arg : strlen (arg)); | |
c03e1113 | 660 | if (lstr == 0 || arglen < minlen || strncmp (arg, lstr, arglen) != 0) |
e2925360 KH |
661 | return 0; |
662 | else if (valptr == NULL) | |
663 | { | |
664 | *skipptr += 1; | |
665 | return 1; | |
666 | } | |
667 | else if (p != NULL) | |
668 | { | |
669 | *valptr = p+1; | |
670 | *skipptr += 1; | |
671 | return 1; | |
672 | } | |
673 | else if (argv[*skipptr+2] != NULL) | |
674 | { | |
675 | *valptr = argv[*skipptr+2]; | |
676 | *skipptr += 2; | |
677 | return 1; | |
678 | } | |
679 | else | |
680 | { | |
681 | return 0; | |
682 | } | |
683 | } | |
684 | ||
b6779252 | 685 | #ifdef DOUG_LEA_MALLOC |
f927c5ae | 686 | |
b6779252 KH |
687 | /* malloc can be invoked even before main (e.g. by the dynamic |
688 | linker), so the dumped malloc state must be restored as early as | |
689 | possible using this special hook. */ | |
690 | ||
691 | static void | |
692 | malloc_initialize_hook () | |
693 | { | |
1f9c3929 | 694 | #ifndef USE_CRT_DLL |
b6779252 | 695 | extern char **environ; |
1f9c3929 | 696 | #endif |
6000fe37 | 697 | |
15aaf1b5 RS |
698 | if (initialized) |
699 | { | |
7c9cd446 AS |
700 | if (!malloc_using_checking) |
701 | /* Work around a bug in glibc's malloc. MALLOC_CHECK_ must be | |
702 | ignored if the heap to be restored was constructed without | |
d942e12a AS |
703 | malloc checking. Can't use unsetenv, since that calls malloc. */ |
704 | { | |
705 | char **p; | |
706 | ||
a57c4026 | 707 | for (p = environ; p && *p; p++) |
d942e12a AS |
708 | if (strncmp (*p, "MALLOC_CHECK_=", 14) == 0) |
709 | { | |
710 | do | |
711 | *p = p[1]; | |
712 | while (*++p); | |
713 | break; | |
714 | } | |
715 | } | |
b6779252 | 716 | |
15aaf1b5 | 717 | malloc_set_state (malloc_state_ptr); |
68db37aa | 718 | #ifndef XMALLOC_OVERRUN_CHECK |
15aaf1b5 | 719 | free (malloc_state_ptr); |
68db37aa | 720 | #endif |
15aaf1b5 | 721 | } |
7c9cd446 | 722 | else |
dede2792 JD |
723 | { |
724 | if (my_heap_start == 0) | |
725 | my_heap_start = sbrk (0); | |
726 | malloc_using_checking = getenv ("MALLOC_CHECK_") != NULL; | |
727 | } | |
b6779252 KH |
728 | } |
729 | ||
730 | void (*__malloc_initialize_hook) () = malloc_initialize_hook; | |
731 | ||
732 | #endif /* DOUG_LEA_MALLOC */ | |
733 | ||
d883731c PJ |
734 | |
735 | #define REPORT_EMACS_BUG_ADDRESS "bug-gnu-emacs@gnu.org" | |
736 | #define REPORT_EMACS_BUG_PRETEST_ADDRESS "emacs-pretest-bug@gnu.org" | |
737 | ||
738 | /* This function is used to determine an address to which bug report should | |
739 | be sent. */ | |
740 | ||
400d6fa9 PJ |
741 | char * |
742 | bug_reporting_address () | |
d883731c | 743 | { |
400d6fa9 | 744 | int count = 0; |
d883731c PJ |
745 | Lisp_Object temp; |
746 | char *string; | |
747 | ||
748 | temp = Fsymbol_value (intern ("emacs-version")); | |
749 | ||
750 | /* When `emacs-version' is invalid, use normal address. */ | |
751 | if (!STRINGP(temp)) | |
752 | return REPORT_EMACS_BUG_ADDRESS; | |
753 | ||
d5db4077 | 754 | string = SDATA (temp); |
d883731c | 755 | |
400d6fa9 PJ |
756 | /* Count dots in `emacs-version'. */ |
757 | while (*string) | |
758 | { | |
759 | if (*string == '.') | |
760 | count++; | |
761 | string++; | |
762 | } | |
d883731c PJ |
763 | |
764 | /* When `emacs-version' has at least three dots, it is development or | |
765 | pretest version of Emacs. */ | |
400d6fa9 | 766 | return count >= 3 ? REPORT_EMACS_BUG_PRETEST_ADDRESS : REPORT_EMACS_BUG_ADDRESS; |
d883731c PJ |
767 | } |
768 | ||
769 | ||
b6779252 KH |
770 | /* ARGSUSED */ |
771 | int | |
7c2fb837 | 772 | main (int argc, char **argv) |
b6779252 | 773 | { |
2313132f | 774 | #if GC_MARK_STACK |
39ec21ea GM |
775 | Lisp_Object dummy; |
776 | #endif | |
b6779252 | 777 | char stack_bottom_variable; |
68c45bf0 | 778 | int do_initial_setlocale; |
b6779252 | 779 | int skip_args = 0; |
1f9c3929 | 780 | #ifndef USE_CRT_DLL |
b6779252 | 781 | extern int errno; |
1f9c3929 | 782 | #endif |
b6779252 KH |
783 | #ifdef HAVE_SETRLIMIT |
784 | struct rlimit rlim; | |
785 | #endif | |
786 | int no_loadup = 0; | |
6e910e07 | 787 | char *junk = 0; |
b6779252 | 788 | |
2313132f | 789 | #if GC_MARK_STACK |
39ec21ea GM |
790 | extern Lisp_Object *stack_base; |
791 | stack_base = &dummy; | |
792 | #endif | |
793 | ||
dede2792 JD |
794 | if (!initialized) |
795 | { | |
796 | extern char my_endbss[]; | |
797 | extern char *my_endbss_static; | |
798 | ||
799 | if (my_heap_start == 0) | |
800 | my_heap_start = sbrk (0); | |
801 | ||
802 | heap_bss_diff = (char *)my_heap_start - max (my_endbss, my_endbss_static); | |
803 | } | |
804 | ||
cc61af67 DN |
805 | #ifdef LINUX_SBRK_BUG |
806 | /* This is only used GNU/LINUX running on alpha when using libc5 */ | |
b6779252 | 807 | __sbrk (1); |
15aaf1b5 RS |
808 | #endif |
809 | ||
d785cf9e RS |
810 | #ifdef RUN_TIME_REMAP |
811 | if (initialized) | |
812 | run_time_remap (argv[0]); | |
813 | #endif | |
814 | ||
9e2a2647 | 815 | #if defined (NS_IMPL_COCOA) |
e0f712ba AC |
816 | if (!initialized) |
817 | unexec_init_emacs_zone (); | |
818 | #endif | |
819 | ||
081bef73 | 820 | sort_args (argc, argv); |
956e3c7e RS |
821 | argc = 0; |
822 | while (argv[argc]) argc++; | |
081bef73 | 823 | |
3270ae6e KH |
824 | if (argmatch (argv, argc, "-version", "--version", 3, NULL, &skip_args) |
825 | /* We don't know the version number unless this is a dumped Emacs. | |
826 | So ignore --version otherwise. */ | |
827 | && initialized) | |
1702afef | 828 | { |
5cf9ca93 | 829 | Lisp_Object tem, tem2; |
1702afef | 830 | tem = Fsymbol_value (intern ("emacs-version")); |
5cf9ca93 | 831 | tem2 = Fsymbol_value (intern ("emacs-copyright")); |
1702afef RS |
832 | if (!STRINGP (tem)) |
833 | { | |
834 | fprintf (stderr, "Invalid value of `emacs-version'\n"); | |
835 | exit (1); | |
836 | } | |
5cf9ca93 GM |
837 | if (!STRINGP (tem2)) |
838 | { | |
839 | fprintf (stderr, "Invalid value of `emacs-copyright'\n"); | |
840 | exit (1); | |
841 | } | |
1702afef RS |
842 | else |
843 | { | |
d5db4077 | 844 | printf ("GNU Emacs %s\n", SDATA (tem)); |
5cf9ca93 | 845 | printf ("%s\n", SDATA(tem2)); |
b455c665 RS |
846 | printf ("GNU Emacs comes with ABSOLUTELY NO WARRANTY.\n"); |
847 | printf ("You may redistribute copies of Emacs\n"); | |
848 | printf ("under the terms of the GNU General Public License.\n"); | |
849 | printf ("For more information about these matters, "); | |
94487c4e | 850 | printf ("see the file named COPYING.\n"); |
1702afef RS |
851 | exit (0); |
852 | } | |
853 | } | |
854 | ||
dede2792 JD |
855 | #ifdef HAVE_PERSONALITY_LINUX32 |
856 | /* See if there is a gap between the end of BSS and the heap. | |
857 | In that case, set personality and exec ourself again. */ | |
858 | if (!initialized | |
859 | && (strcmp (argv[argc-1], "dump") == 0 | |
860 | || strcmp (argv[argc-1], "bootstrap") == 0) | |
861 | && heap_bss_diff > MAX_HEAP_BSS_DIFF) | |
862 | { | |
863 | if (! getenv ("EMACS_HEAP_EXEC")) | |
864 | { | |
865 | /* Set this so we only do this once. */ | |
866 | putenv("EMACS_HEAP_EXEC=true"); | |
711877f3 MY |
867 | |
868 | /* A flag to turn off address randomization which is introduced | |
869 | in linux kernel shipped with fedora core 4 */ | |
870 | #define ADD_NO_RANDOMIZE 0x0040000 | |
871 | personality (PER_LINUX32 | ADD_NO_RANDOMIZE); | |
872 | #undef ADD_NO_RANDOMIZE | |
873 | ||
dede2792 JD |
874 | execvp (argv[0], argv); |
875 | ||
876 | /* If the exec fails, try to dump anyway. */ | |
877 | perror ("execvp"); | |
878 | } | |
879 | } | |
880 | #endif /* HAVE_PERSONALITY_LINUX32 */ | |
881 | ||
882 | ||
f927c5ae JB |
883 | /* Map in shared memory, if we are using that. */ |
884 | #ifdef HAVE_SHM | |
df6530f8 | 885 | if (argmatch (argv, argc, "-nl", "--no-shared-memory", 6, NULL, &skip_args)) |
f927c5ae JB |
886 | { |
887 | map_in_data (0); | |
888 | /* The shared memory was just restored, which clobbered this. */ | |
889 | skip_args = 1; | |
890 | } | |
891 | else | |
892 | { | |
893 | map_in_data (1); | |
894 | /* The shared memory was just restored, which clobbered this. */ | |
895 | skip_args = 0; | |
896 | } | |
897 | #endif | |
898 | ||
ea2acec5 | 899 | #if defined (HAVE_SETRLIMIT) && defined (RLIMIT_STACK) |
6c2935e9 RS |
900 | /* Extend the stack space available. |
901 | Don't do that if dumping, since some systems (e.g. DJGPP) | |
902 | might define a smaller stack limit at that time. */ | |
903 | if (1 | |
904 | #ifndef CANNOT_DUMP | |
905 | && (!noninteractive || initialized) | |
906 | #endif | |
907 | && !getrlimit (RLIMIT_STACK, &rlim)) | |
53c58b5d | 908 | { |
509a8fcd | 909 | long newlim; |
fa8459a3 | 910 | extern size_t re_max_failures; |
03effc23 KH |
911 | /* Approximate the amount regex.c needs per unit of re_max_failures. */ |
912 | int ratio = 20 * sizeof (char *); | |
913 | /* Then add 33% to cover the size of the smaller stacks that regex.c | |
914 | successively allocates and discards, on its way to the maximum. */ | |
915 | ratio += ratio / 3; | |
916 | /* Add in some extra to cover | |
917 | what we're likely to use for other reasons. */ | |
918 | newlim = re_max_failures * ratio + 200000; | |
d0381a7f RS |
919 | #ifdef __NetBSD__ |
920 | /* NetBSD (at least NetBSD 1.2G and former) has a bug in its | |
921 | stack allocation routine for new process that the allocation | |
922 | fails if stack limit is not on page boundary. So, round up the | |
923 | new limit to page boundary. */ | |
924 | newlim = (newlim + getpagesize () - 1) / getpagesize () * getpagesize(); | |
925 | #endif | |
509a8fcd | 926 | if (newlim > rlim.rlim_max) |
6c2935e9 RS |
927 | { |
928 | newlim = rlim.rlim_max; | |
03effc23 KH |
929 | /* Don't let regex.c overflow the stack we have. */ |
930 | re_max_failures = (newlim - 200000) / ratio; | |
6c2935e9 | 931 | } |
509a8fcd RS |
932 | if (rlim.rlim_cur < newlim) |
933 | rlim.rlim_cur = newlim; | |
934 | ||
53c58b5d RS |
935 | setrlimit (RLIMIT_STACK, &rlim); |
936 | } | |
ea2acec5 | 937 | #endif /* HAVE_SETRLIMIT and RLIMIT_STACK */ |
53c58b5d | 938 | |
f927c5ae JB |
939 | /* Record (approximately) where the stack begins. */ |
940 | stack_bottom = &stack_bottom_variable; | |
941 | ||
f927c5ae | 942 | clearerr (stdin); |
9ae8f997 | 943 | |
f927c5ae | 944 | #ifndef SYSTEM_MALLOC |
bf7f4e90 RS |
945 | /* Arrange to get warning messages as memory fills up. */ |
946 | memory_warnings (0, malloc_warning); | |
9ac0d9e0 | 947 | |
f5a3c8c4 AI |
948 | /* Call malloc at least once, to run the initial __malloc_hook. |
949 | Also call realloc and free for consistency. */ | |
950 | free (realloc (malloc (4), 4)); | |
bf7f4e90 | 951 | |
06ca62eb | 952 | # ifndef SYNC_INPUT |
bf7f4e90 RS |
953 | /* Arrange to disable interrupt input inside malloc etc. */ |
954 | uninterrupt_malloc (); | |
06ca62eb | 955 | # endif /* not SYNC_INPUT */ |
f927c5ae JB |
956 | #endif /* not SYSTEM_MALLOC */ |
957 | ||
3e9de9f6 | 958 | #ifdef FORWARD_SIGNAL_TO_MAIN_THREAD |
333f1b6f | 959 | main_thread = pthread_self (); |
3e9de9f6 | 960 | #endif /* FORWARD_SIGNAL_TO_MAIN_THREAD */ |
333f1b6f | 961 | |
edd3ff1d | 962 | #if defined (MSDOS) || defined (WINDOWSNT) |
29b89fe0 RS |
963 | /* We do all file input/output as binary files. When we need to translate |
964 | newlines, we do that manually. */ | |
965 | _fmode = O_BINARY; | |
edd3ff1d | 966 | #endif /* MSDOS || WINDOWSNT */ |
18198bb2 | 967 | |
edd3ff1d | 968 | #ifdef MSDOS |
18198bb2 RS |
969 | #if __DJGPP__ >= 2 |
970 | if (!isatty (fileno (stdin))) | |
971 | setmode (fileno (stdin), O_BINARY); | |
972 | if (!isatty (fileno (stdout))) | |
973 | { | |
974 | fflush (stdout); | |
975 | setmode (fileno (stdout), O_BINARY); | |
976 | } | |
977 | #else /* not __DJGPP__ >= 2 */ | |
29b89fe0 RS |
978 | (stdin)->_flag &= ~_IOTEXT; |
979 | (stdout)->_flag &= ~_IOTEXT; | |
980 | (stderr)->_flag &= ~_IOTEXT; | |
18198bb2 | 981 | #endif /* not __DJGPP__ >= 2 */ |
29b89fe0 RS |
982 | #endif /* MSDOS */ |
983 | ||
a422068f | 984 | #ifdef SET_EMACS_PRIORITY |
3005da00 | 985 | if (emacs_priority) |
5aa7f46a | 986 | nice (emacs_priority); |
f927c5ae | 987 | setuid (getuid ()); |
a422068f | 988 | #endif /* SET_EMACS_PRIORITY */ |
f927c5ae | 989 | |
68c45bf0 PE |
990 | /* Skip initial setlocale if LC_ALL is "C", as it's not needed in that case. |
991 | The build procedure uses this while dumping, to ensure that the | |
992 | dumped Emacs does not have its system locale tables initialized, | |
993 | as that might cause screwups when the dumped Emacs starts up. */ | |
994 | { | |
995 | char *lc_all = getenv ("LC_ALL"); | |
996 | do_initial_setlocale = ! lc_all || strcmp (lc_all, "C"); | |
997 | } | |
998 | ||
999 | /* Set locale now, so that initial error messages are localized properly. | |
1000 | fixup_locale must wait until later, since it builds strings. */ | |
1001 | if (do_initial_setlocale) | |
1002 | setlocale (LC_ALL, ""); | |
1003 | ||
f927c5ae JB |
1004 | inhibit_window_system = 0; |
1005 | ||
7db35a48 | 1006 | /* Handle the -t switch, which specifies filename to use as terminal. */ |
956e3c7e RS |
1007 | while (1) |
1008 | { | |
1009 | char *term; | |
1010 | if (argmatch (argv, argc, "-t", "--terminal", 4, &term, &skip_args)) | |
1011 | { | |
1012 | int result; | |
68c45bf0 PE |
1013 | emacs_close (0); |
1014 | emacs_close (1); | |
1015 | result = emacs_open (term, O_RDWR, 0); | |
956e3c7e RS |
1016 | if (result < 0) |
1017 | { | |
1018 | char *errstring = strerror (errno); | |
186486eb | 1019 | fprintf (stderr, "%s: %s: %s\n", argv[0], term, errstring); |
956e3c7e RS |
1020 | exit (1); |
1021 | } | |
1022 | dup (0); | |
1023 | if (! isatty (0)) | |
1024 | { | |
186486eb | 1025 | fprintf (stderr, "%s: %s: not a tty\n", argv[0], term); |
956e3c7e RS |
1026 | exit (1); |
1027 | } | |
1028 | fprintf (stderr, "Using %s\n", term); | |
8ba50e1a | 1029 | #ifdef HAVE_WINDOW_SYSTEM |
956e3c7e | 1030 | inhibit_window_system = 1; /* -t => -nw */ |
f927c5ae | 1031 | #endif |
956e3c7e RS |
1032 | } |
1033 | else | |
1034 | break; | |
1035 | } | |
1036 | ||
400d6fa9 PJ |
1037 | /* Command line option --no-windows is deprecated and thus not mentioned |
1038 | in the manual and usage informations. */ | |
1039 | if (argmatch (argv, argc, "-nw", "--no-window-system", 6, NULL, &skip_args) | |
1040 | || argmatch (argv, argc, "-nw", "--no-windows", 6, NULL, &skip_args)) | |
e2925360 | 1041 | inhibit_window_system = 1; |
f927c5ae | 1042 | |
e2925360 | 1043 | /* Handle the -batch switch, which means don't do interactive display. */ |
f927c5ae | 1044 | noninteractive = 0; |
df6530f8 | 1045 | if (argmatch (argv, argc, "-batch", "--batch", 5, NULL, &skip_args)) |
55f4edbc RS |
1046 | { |
1047 | noninteractive = 1; | |
1048 | Vundo_outer_limit = Qnil; | |
1049 | } | |
6e910e07 RS |
1050 | if (argmatch (argv, argc, "-script", "--script", 3, &junk, &skip_args)) |
1051 | { | |
1052 | noninteractive = 1; /* Set batch mode. */ | |
21a4ff8e | 1053 | /* Convert --script to -scriptload, un-skip it, and sort again |
e09b9180 | 1054 | so that it will be handled in proper sequence. */ |
a09a5b5b | 1055 | /* FIXME broken for --script=FILE - is that supposed to work? */ |
21a4ff8e | 1056 | argv[skip_args - 1] = "-scriptload"; |
6e910e07 RS |
1057 | skip_args -= 2; |
1058 | sort_args (argc, argv); | |
1059 | } | |
e2925360 | 1060 | |
7db35a48 | 1061 | /* Handle the --help option, which gives a usage message. */ |
df6530f8 | 1062 | if (argmatch (argv, argc, "-help", "--help", 3, NULL, &skip_args)) |
f927c5ae | 1063 | { |
6b61353c KH |
1064 | printf (USAGE1, argv[0], USAGE2); |
1065 | printf (USAGE3); | |
1066 | printf (USAGE4, bug_reporting_address ()); | |
e2925360 | 1067 | exit (0); |
f927c5ae JB |
1068 | } |
1069 | ||
edb85f59 RS |
1070 | if (! noninteractive) |
1071 | { | |
1072 | #ifdef BSD_PGRPS | |
1073 | if (initialized) | |
1074 | { | |
1075 | inherited_pgroup = EMACS_GETPGRP (0); | |
1076 | setpgrp (0, getpid ()); | |
1077 | } | |
1078 | #else | |
1079 | #if defined (USG5) && defined (INTERRUPT_INPUT) | |
1080 | setpgrp (); | |
1081 | #endif | |
5467331d YM |
1082 | #endif |
1083 | #if defined (HAVE_GTK_AND_PTHREAD) && !defined (SYSTEM_MALLOC) && !defined (DOUG_LEA_MALLOC) | |
1084 | { | |
1085 | extern void malloc_enable_thread P_ ((void)); | |
1086 | ||
1087 | malloc_enable_thread (); | |
1088 | } | |
edb85f59 RS |
1089 | #endif |
1090 | } | |
1091 | ||
fb8e9847 | 1092 | init_signals (); |
fb8e9847 | 1093 | |
1efa2983 KH |
1094 | /* Don't catch SIGHUP if dumping. */ |
1095 | if (1 | |
1096 | #ifndef CANNOT_DUMP | |
1097 | && initialized | |
1098 | #endif | |
1099 | ) | |
1100 | { | |
57e3d22a | 1101 | sigblock (sigmask (SIGHUP)); |
1efa2983 KH |
1102 | /* In --batch mode, don't catch SIGHUP if already ignored. |
1103 | That makes nohup work. */ | |
1104 | if (! noninteractive | |
1105 | || signal (SIGHUP, SIG_IGN) != SIG_IGN) | |
1106 | signal (SIGHUP, fatal_error_signal); | |
57e3d22a | 1107 | sigunblock (sigmask (SIGHUP)); |
1efa2983 KH |
1108 | } |
1109 | ||
f927c5ae JB |
1110 | if ( |
1111 | #ifndef CANNOT_DUMP | |
1112 | ! noninteractive || initialized | |
1113 | #else | |
1114 | 1 | |
1115 | #endif | |
1116 | ) | |
1117 | { | |
1efa2983 | 1118 | /* Don't catch these signals in batch mode if dumping. |
f927c5ae JB |
1119 | On some machines, this sets static data that would make |
1120 | signal fail to work right when the dumped Emacs is run. */ | |
f927c5ae JB |
1121 | signal (SIGQUIT, fatal_error_signal); |
1122 | signal (SIGILL, fatal_error_signal); | |
1123 | signal (SIGTRAP, fatal_error_signal); | |
7317d9e8 | 1124 | #ifdef SIGUSR1 |
71b28d05 | 1125 | add_user_signal (SIGUSR1, "sigusr1"); |
7317d9e8 | 1126 | #endif |
8247c60d | 1127 | #ifdef SIGUSR2 |
71b28d05 | 1128 | add_user_signal (SIGUSR2, "sigusr2"); |
7317d9e8 | 1129 | #endif |
99e372cd RS |
1130 | #ifdef SIGABRT |
1131 | signal (SIGABRT, fatal_error_signal); | |
1132 | #endif | |
1133 | #ifdef SIGHWE | |
1134 | signal (SIGHWE, fatal_error_signal); | |
1135 | #endif | |
1136 | #ifdef SIGPRE | |
1137 | signal (SIGPRE, fatal_error_signal); | |
1138 | #endif | |
1139 | #ifdef SIGORE | |
1140 | signal (SIGORE, fatal_error_signal); | |
1141 | #endif | |
1142 | #ifdef SIGUME | |
1143 | signal (SIGUME, fatal_error_signal); | |
1144 | #endif | |
1145 | #ifdef SIGDLK | |
1146 | signal (SIGDLK, fatal_error_signal); | |
1147 | #endif | |
1148 | #ifdef SIGCPULIM | |
1149 | signal (SIGCPULIM, fatal_error_signal); | |
1150 | #endif | |
a90538cb JB |
1151 | #ifdef SIGIOT |
1152 | /* This is missing on some systems - OS/2, for example. */ | |
f927c5ae | 1153 | signal (SIGIOT, fatal_error_signal); |
a90538cb | 1154 | #endif |
f927c5ae JB |
1155 | #ifdef SIGEMT |
1156 | signal (SIGEMT, fatal_error_signal); | |
1157 | #endif | |
1158 | signal (SIGFPE, fatal_error_signal); | |
00eaaa32 | 1159 | #ifdef SIGBUS |
f927c5ae | 1160 | signal (SIGBUS, fatal_error_signal); |
00eaaa32 | 1161 | #endif |
f927c5ae | 1162 | signal (SIGSEGV, fatal_error_signal); |
00eaaa32 | 1163 | #ifdef SIGSYS |
f927c5ae | 1164 | signal (SIGSYS, fatal_error_signal); |
00eaaa32 | 1165 | #endif |
f927c5ae JB |
1166 | signal (SIGTERM, fatal_error_signal); |
1167 | #ifdef SIGXCPU | |
1168 | signal (SIGXCPU, fatal_error_signal); | |
1169 | #endif | |
1170 | #ifdef SIGXFSZ | |
1171 | signal (SIGXFSZ, fatal_error_signal); | |
1172 | #endif /* SIGXFSZ */ | |
1173 | ||
271c7b7c RS |
1174 | #ifdef SIGDANGER |
1175 | /* This just means available memory is getting low. */ | |
1176 | signal (SIGDANGER, memory_warning_signal); | |
1177 | #endif | |
1178 | ||
f927c5ae | 1179 | #ifdef AIX |
56e034fa RS |
1180 | /* 20 is SIGCHLD, 21 is SIGTTIN, 22 is SIGTTOU. */ |
1181 | signal (SIGXCPU, fatal_error_signal); | |
0aef8561 | 1182 | #ifndef _I386 |
f927c5ae | 1183 | signal (SIGIOINT, fatal_error_signal); |
0aef8561 | 1184 | #endif |
f927c5ae JB |
1185 | signal (SIGGRANT, fatal_error_signal); |
1186 | signal (SIGRETRACT, fatal_error_signal); | |
1187 | signal (SIGSOUND, fatal_error_signal); | |
1188 | signal (SIGMSG, fatal_error_signal); | |
1189 | #endif /* AIX */ | |
1190 | } | |
1191 | ||
1192 | noninteractive1 = noninteractive; | |
1193 | ||
7db35a48 | 1194 | /* Perform basic initializations (not merely interning symbols). */ |
f927c5ae JB |
1195 | |
1196 | if (!initialized) | |
1197 | { | |
1198 | init_alloc_once (); | |
1199 | init_obarray (); | |
1200 | init_eval_once (); | |
e37d7195 | 1201 | init_character_once (); |
270ce821 KH |
1202 | init_charset_once (); |
1203 | init_coding_once (); | |
f927c5ae | 1204 | init_syntax_once (); /* Create standard syntax table. */ |
270ce821 | 1205 | init_category_once (); /* Create standard category table. */ |
7db35a48 | 1206 | /* Must be done before init_buffer. */ |
f927c5ae | 1207 | init_casetab_once (); |
7db35a48 PJ |
1208 | init_buffer_once (); /* Create buffer table and some buffers. */ |
1209 | init_minibuf_once (); /* Create list of minibuffers. */ | |
1210 | /* Must precede init_window_once. */ | |
1211 | ||
90d920b6 GM |
1212 | /* Call syms_of_xfaces before init_window_once because that |
1213 | function creates Vterminal_frame. Termcap frames now use | |
1214 | faces, and the face implementation uses some symbols as | |
1215 | face names. */ | |
90d920b6 | 1216 | syms_of_xfaces (); |
4ea81208 KL |
1217 | /* XXX syms_of_keyboard uses some symbols in keymap.c. It would |
1218 | be better to arrange things not to have this dependency. */ | |
1219 | syms_of_keymap (); | |
7a18af49 KR |
1220 | /* Call syms_of_keyboard before init_window_once because |
1221 | keyboard sets up symbols that include some face names that | |
1222 | the X support will want to use. This can happen when | |
1223 | CANNOT_DUMP is defined. */ | |
1224 | syms_of_keyboard (); | |
90d920b6 | 1225 | |
985773c9 MB |
1226 | /* Called before syms_of_fileio, because it sets up Qerror_condition. */ |
1227 | syms_of_data (); | |
1228 | syms_of_fileio (); | |
1229 | /* Before syms_of_coding to initialize Vgc_cons_threshold. */ | |
1230 | syms_of_alloc (); | |
1231 | /* Before syms_of_coding because it initializes Qcharsetp. */ | |
1232 | syms_of_charset (); | |
1233 | /* Before init_window_once, because it sets up the | |
1234 | Vcoding_system_hash_table. */ | |
1235 | syms_of_coding (); /* This should be after syms_of_fileio. */ | |
1a578e9b | 1236 | |
7db35a48 | 1237 | init_window_once (); /* Init the window system. */ |
680256a8 | 1238 | init_fileio_once (); /* Must precede any path manipulation. */ |
6b61353c KH |
1239 | #ifdef HAVE_WINDOW_SYSTEM |
1240 | init_fringe_once (); /* Swap bitmaps if necessary. */ | |
1241 | #endif /* HAVE_WINDOW_SYSTEM */ | |
f927c5ae JB |
1242 | } |
1243 | ||
1244 | init_alloc (); | |
68c45bf0 PE |
1245 | |
1246 | if (do_initial_setlocale) | |
1247 | { | |
1248 | fixup_locale (); | |
ca9c0567 PE |
1249 | Vsystem_messages_locale = Vprevious_system_messages_locale; |
1250 | Vsystem_time_locale = Vprevious_system_time_locale; | |
68c45bf0 PE |
1251 | } |
1252 | ||
f927c5ae JB |
1253 | init_eval (); |
1254 | init_data (); | |
ad067ea6 | 1255 | #ifdef CLASH_DETECTION |
01f67d2c | 1256 | init_filelock (); |
ad067ea6 | 1257 | #endif |
ab5d0358 | 1258 | init_atimer (); |
7074fde6 | 1259 | running_asynch_code = 0; |
0e956009 | 1260 | |
a08a816a RS |
1261 | /* Handle --unibyte and the EMACS_UNIBYTE envvar, |
1262 | but not while dumping. */ | |
e721aa94 | 1263 | if (1) |
a08a816a RS |
1264 | { |
1265 | int inhibit_unibyte = 0; | |
1266 | ||
1267 | /* --multibyte overrides EMACS_UNIBYTE. */ | |
1268 | if (argmatch (argv, argc, "-no-unibyte", "--no-unibyte", 4, NULL, &skip_args) | |
e721aa94 SM |
1269 | || argmatch (argv, argc, "-multibyte", "--multibyte", 4, NULL, &skip_args) |
1270 | /* Ignore EMACS_UNIBYTE before dumping. */ | |
1271 | || (!initialized && noninteractive)) | |
a08a816a RS |
1272 | inhibit_unibyte = 1; |
1273 | ||
1274 | /* --unibyte requests that we set up to do everything with single-byte | |
1275 | buffers and strings. We need to handle this before calling | |
1276 | init_lread, init_editfns and other places that generate Lisp strings | |
1277 | from text in the environment. */ | |
c0218e1b DL |
1278 | /* Actually this shouldn't be needed as of 20.4 in a generally |
1279 | unibyte environment. As handa says, environment values | |
1280 | aren't now decoded; also existing buffers are now made | |
1281 | unibyte during startup if .emacs sets unibyte. Tested with | |
1282 | 8-bit data in environment variables and /etc/passwd, setting | |
7db35a48 | 1283 | unibyte and Latin-1 in .emacs. -- Dave Love */ |
a08a816a RS |
1284 | if (argmatch (argv, argc, "-unibyte", "--unibyte", 4, NULL, &skip_args) |
1285 | || argmatch (argv, argc, "-no-multibyte", "--no-multibyte", 4, NULL, &skip_args) | |
1286 | || (getenv ("EMACS_UNIBYTE") && !inhibit_unibyte)) | |
1287 | { | |
1288 | Lisp_Object old_log_max; | |
1289 | Lisp_Object symbol, tail; | |
1290 | ||
1291 | symbol = intern ("default-enable-multibyte-characters"); | |
1292 | Fset (symbol, Qnil); | |
1293 | ||
6524291c KH |
1294 | if (initialized) |
1295 | { | |
1296 | /* Erase pre-dump messages in *Messages* now so no abort. */ | |
1297 | old_log_max = Vmessage_log_max; | |
1298 | XSETFASTINT (Vmessage_log_max, 0); | |
1299 | message_dolog ("", 0, 1, 0); | |
1300 | Vmessage_log_max = old_log_max; | |
1301 | } | |
a08a816a | 1302 | |
3e75bb9e | 1303 | for (tail = Vbuffer_alist; CONSP (tail); |
7539e11f | 1304 | tail = XCDR (tail)) |
a08a816a RS |
1305 | { |
1306 | Lisp_Object buffer; | |
1307 | ||
7539e11f | 1308 | buffer = Fcdr (XCAR (tail)); |
8f924df7 | 1309 | /* Make a multibyte buffer unibyte. */ |
f2b89e21 KH |
1310 | if (BUF_Z_BYTE (XBUFFER (buffer)) > BUF_Z (XBUFFER (buffer))) |
1311 | { | |
1312 | struct buffer *current = current_buffer; | |
1313 | ||
1314 | set_buffer_temp (XBUFFER (buffer)); | |
8f924df7 | 1315 | Fset_buffer_multibyte (Qnil); |
f2b89e21 KH |
1316 | set_buffer_temp (current); |
1317 | } | |
a08a816a RS |
1318 | } |
1319 | } | |
1320 | } | |
1321 | ||
956e3c7e | 1322 | no_loadup |
b96f9fb7 | 1323 | = argmatch (argv, argc, "-nl", "--no-loadup", 6, NULL, &skip_args); |
956e3c7e | 1324 | |
edfda783 AR |
1325 | #ifdef HAVE_NS |
1326 | ns_alloc_autorelease_pool(); | |
1327 | if (!noninteractive) | |
1328 | { | |
1329 | char *tmp; | |
1330 | display_arg = 4; | |
1331 | #ifdef NS_IMPL_COCOA | |
1332 | if (skip_args < argc) | |
1333 | { | |
1334 | if (!strncmp(argv[skip_args], "-psn", 4)) | |
1335 | { | |
1336 | skip_args += 1; | |
1337 | } | |
1338 | else | |
1339 | { | |
1340 | if (skip_args+1 < argc && !strncmp(argv[skip_args+1], "-psn", 4)) | |
1341 | skip_args += 2; | |
1342 | } | |
1343 | } | |
1344 | #endif | |
1345 | /* This used for remote operation.. not fully implemented yet. */ | |
1346 | if (argmatch (argv, argc, "-_NSMachLaunch", 0, 3, &tmp, &skip_args)) | |
1347 | display_arg = 4; | |
1348 | else if (argmatch (argv, argc, "-MachLaunch", 0, 3, &tmp, &skip_args)) | |
1349 | display_arg = 4; | |
1350 | else if (argmatch (argv, argc, "-macosx", 0, 2, NULL, &skip_args)) | |
1351 | display_arg = 4; | |
1352 | else if (argmatch (argv, argc, "-NSHost", 0, 3, &tmp, &skip_args)) | |
1353 | display_arg = 4; | |
1354 | } | |
1355 | #endif /* HAVE_NS */ | |
1356 | ||
956e3c7e RS |
1357 | #ifdef HAVE_X_WINDOWS |
1358 | /* Stupid kludge to catch command-line display spec. We can't | |
1359 | handle this argument entirely in window system dependent code | |
1360 | because we don't even know which window system dependent code | |
1361 | to run until we've recognized this argument. */ | |
1362 | { | |
1363 | char *displayname = 0; | |
956e3c7e RS |
1364 | int count_before = skip_args; |
1365 | ||
1366 | /* Skip any number of -d options, but only use the last one. */ | |
1367 | while (1) | |
1368 | { | |
1369 | int count_before_this = skip_args; | |
1370 | ||
1371 | if (argmatch (argv, argc, "-d", "--display", 3, &displayname, &skip_args)) | |
1372 | display_arg = 1; | |
1373 | else if (argmatch (argv, argc, "-display", 0, 3, &displayname, &skip_args)) | |
1374 | display_arg = 1; | |
1375 | else | |
1376 | break; | |
1377 | ||
1378 | count_before = count_before_this; | |
1379 | } | |
1380 | ||
1381 | /* If we have the form --display=NAME, | |
1382 | convert it into -d name. | |
1383 | This requires inserting a new element into argv. */ | |
1384 | if (displayname != 0 && skip_args - count_before == 1) | |
1385 | { | |
1386 | char **new = (char **) xmalloc (sizeof (char *) * (argc + 2)); | |
1387 | int j; | |
1388 | ||
1389 | for (j = 0; j < count_before + 1; j++) | |
1390 | new[j] = argv[j]; | |
1391 | new[count_before + 1] = "-d"; | |
1392 | new[count_before + 2] = displayname; | |
1393 | for (j = count_before + 2; j <argc; j++) | |
1394 | new[j + 1] = argv[j]; | |
1395 | argv = new; | |
1396 | argc++; | |
1397 | } | |
1398 | /* Change --display to -d, when its arg is separate. */ | |
1399 | else if (displayname != 0 && skip_args > count_before | |
1400 | && argv[count_before + 1][1] == '-') | |
1401 | argv[count_before + 1] = "-d"; | |
1402 | ||
1403 | /* Don't actually discard this arg. */ | |
1404 | skip_args = count_before; | |
1405 | } | |
1406 | #endif | |
1407 | ||
1408 | /* argmatch must not be used after here, | |
1409 | except when bulding temacs | |
1410 | because the -d argument has not been skipped in skip_args. */ | |
1411 | ||
29b89fe0 RS |
1412 | #ifdef MSDOS |
1413 | /* Call early 'cause init_environment needs it. */ | |
1414 | init_dosfns (); | |
1415 | /* Set defaults for several environment variables. */ | |
18198bb2 RS |
1416 | if (initialized) |
1417 | init_environment (argc, argv, skip_args); | |
1418 | else | |
d1fc6752 | 1419 | tzset (); |
18198bb2 | 1420 | #endif /* MSDOS */ |
29b89fe0 | 1421 | |
8ba50e1a | 1422 | #ifdef WINDOWSNT |
9785d95b | 1423 | globals_of_w32 (); |
8ba50e1a | 1424 | /* Initialize environment from registry settings. */ |
a3a58294 | 1425 | init_environment (argv); |
7db35a48 | 1426 | init_ntproc (); /* must precede init_editfns. */ |
8ba50e1a GV |
1427 | #endif |
1428 | ||
edfda783 AR |
1429 | #ifdef HAVE_NS |
1430 | #ifndef CANNOT_DUMP | |
1431 | if (initialized) | |
1432 | #endif | |
1433 | ns_init_paths (); | |
1434 | #endif | |
1435 | ||
0e956009 JB |
1436 | /* egetenv is a pretty low-level facility, which may get called in |
1437 | many circumstances; it seems flimsy to put off initializing it | |
1438 | until calling init_callproc. */ | |
a13f8f50 | 1439 | set_initial_environment (); |
93aed04d | 1440 | /* AIX crashes are reported in system versions 3.2.3 and 3.2.4 |
5990851d KL |
1441 | if this is not done. Do it after set_global_environment so that we |
1442 | don't pollute Vglobal_environment. */ | |
fa09a82d | 1443 | /* Setting LANG here will defeat the startup locale processing... */ |
f2a77c3a | 1444 | #ifdef AIX |
93aed04d RS |
1445 | putenv ("LANG=C"); |
1446 | #endif | |
0e956009 | 1447 | |
7db35a48 | 1448 | init_buffer (); /* Init default directory of main buffer. */ |
ace40a69 | 1449 | |
7928f0b5 | 1450 | init_callproc_1 (); /* Must precede init_cmdargs and init_sys_modes. */ |
ace40a69 | 1451 | init_cmdargs (argc, argv, skip_args); /* Must precede init_lread. */ |
380e25b8 RS |
1452 | |
1453 | if (initialized) | |
1454 | { | |
7db35a48 | 1455 | /* Erase any pre-dump messages in the message log, to avoid confusion. */ |
380e25b8 RS |
1456 | Lisp_Object old_log_max; |
1457 | old_log_max = Vmessage_log_max; | |
1458 | XSETFASTINT (Vmessage_log_max, 0); | |
f6fe7bb5 | 1459 | message_dolog ("", 0, 1, 0); |
380e25b8 RS |
1460 | Vmessage_log_max = old_log_max; |
1461 | } | |
1462 | ||
7928f0b5 | 1463 | init_callproc (); /* Must follow init_cmdargs but not init_sys_modes. */ |
fb8e9847 | 1464 | init_lread (); |
f927c5ae | 1465 | |
8bb697c0 RS |
1466 | /* Intern the names of all standard functions and variables; |
1467 | define standard keys. */ | |
f927c5ae JB |
1468 | |
1469 | if (!initialized) | |
1470 | { | |
7db35a48 | 1471 | /* The basic levels of Lisp must come first. */ |
f927c5ae | 1472 | /* And data must come first of all |
7db35a48 | 1473 | for the sake of symbols like error-message. */ |
f927c5ae | 1474 | syms_of_data (); |
e37d7195 | 1475 | syms_of_chartab (); |
fb8e9847 | 1476 | syms_of_lread (); |
f927c5ae JB |
1477 | syms_of_print (); |
1478 | syms_of_eval (); | |
1479 | syms_of_fns (); | |
f927c5ae | 1480 | syms_of_floatfns (); |
f927c5ae | 1481 | |
f927c5ae JB |
1482 | syms_of_buffer (); |
1483 | syms_of_bytecode (); | |
1484 | syms_of_callint (); | |
1485 | syms_of_casefiddle (); | |
1486 | syms_of_casetab (); | |
1487 | syms_of_callproc (); | |
270ce821 KH |
1488 | syms_of_category (); |
1489 | syms_of_ccl (); | |
e37d7195 | 1490 | syms_of_character (); |
f927c5ae JB |
1491 | syms_of_cmds (); |
1492 | #ifndef NO_DIR_LIBRARY | |
1493 | syms_of_dired (); | |
1494 | #endif /* not NO_DIR_LIBRARY */ | |
1495 | syms_of_display (); | |
1496 | syms_of_doc (); | |
1497 | syms_of_editfns (); | |
1498 | syms_of_emacs (); | |
f927c5ae JB |
1499 | #ifdef CLASH_DETECTION |
1500 | syms_of_filelock (); | |
1501 | #endif /* CLASH_DETECTION */ | |
1502 | syms_of_indent (); | |
c2c5ed2c | 1503 | syms_of_insdel (); |
4ea81208 | 1504 | /* syms_of_keymap (); */ |
f927c5ae JB |
1505 | syms_of_macros (); |
1506 | syms_of_marker (); | |
1507 | syms_of_minibuf (); | |
f927c5ae | 1508 | syms_of_process (); |
f927c5ae | 1509 | syms_of_search (); |
1cbd5d9d | 1510 | syms_of_frame (); |
f927c5ae | 1511 | syms_of_syntax (); |
ed8dad6b | 1512 | syms_of_terminal (); |
0d934e7b | 1513 | syms_of_term (); |
f927c5ae | 1514 | syms_of_undo (); |
90d920b6 GM |
1515 | #ifdef HAVE_SOUND |
1516 | syms_of_sound (); | |
1517 | #endif | |
bef79ee4 | 1518 | syms_of_textprop (); |
9d100795 | 1519 | syms_of_composite (); |
05687c54 RS |
1520 | #ifdef WINDOWSNT |
1521 | syms_of_ntproc (); | |
1522 | #endif /* WINDOWSNT */ | |
f927c5ae JB |
1523 | syms_of_window (); |
1524 | syms_of_xdisp (); | |
d53f587b | 1525 | syms_of_font (); |
4fa9161d | 1526 | #ifdef HAVE_WINDOW_SYSTEM |
6b61353c KH |
1527 | syms_of_fringe (); |
1528 | syms_of_image (); | |
1529 | #endif /* HAVE_WINDOW_SYSTEM */ | |
f927c5ae | 1530 | #ifdef HAVE_X_WINDOWS |
72412588 | 1531 | syms_of_xterm (); |
f927c5ae | 1532 | syms_of_xfns (); |
edfda783 | 1533 | syms_of_xmenu (); |
270ce821 | 1534 | syms_of_fontset (); |
28b1b672 JD |
1535 | #ifdef HAVE_X_SM |
1536 | syms_of_xsmfns (); | |
1537 | #endif | |
72412588 JB |
1538 | #ifdef HAVE_X11 |
1539 | syms_of_xselect (); | |
1540 | #endif | |
f927c5ae JB |
1541 | #endif /* HAVE_X_WINDOWS */ |
1542 | ||
4e77ce60 | 1543 | syms_of_menu (); |
4e77ce60 | 1544 | |
8ba50e1a | 1545 | #ifdef HAVE_NTGUI |
fbd6baed GV |
1546 | syms_of_w32term (); |
1547 | syms_of_w32fns (); | |
fbd6baed GV |
1548 | syms_of_w32select (); |
1549 | syms_of_w32menu (); | |
02062ac3 | 1550 | syms_of_fontset (); |
8ba50e1a GV |
1551 | #endif /* HAVE_NTGUI */ |
1552 | ||
edfda783 AR |
1553 | #ifdef HAVE_NS |
1554 | syms_of_nsterm (); | |
1555 | syms_of_nsfns (); | |
1556 | syms_of_nsmenu (); | |
1557 | syms_of_nsselect (); | |
1558 | syms_of_fontset (); | |
1559 | #endif /* HAVE_NS */ | |
1560 | ||
033b73e2 MA |
1561 | #ifdef HAVE_DBUS |
1562 | syms_of_dbusbind (); | |
1563 | #endif /* HAVE_DBUS */ | |
1564 | ||
f927c5ae JB |
1565 | #ifdef SYMS_SYSTEM |
1566 | SYMS_SYSTEM; | |
1567 | #endif | |
1568 | ||
1569 | #ifdef SYMS_MACHINE | |
1570 | SYMS_MACHINE; | |
1571 | #endif | |
1572 | ||
1573 | keys_of_casefiddle (); | |
1574 | keys_of_cmds (); | |
1575 | keys_of_buffer (); | |
1576 | keys_of_keyboard (); | |
1577 | keys_of_keymap (); | |
f927c5ae | 1578 | keys_of_window (); |
9785d95b | 1579 | } |
3b6536b1 | 1580 | else |
9785d95b | 1581 | { |
3b6536b1 AS |
1582 | /* Initialization that must be done even if the global variable |
1583 | initialized is non zero. */ | |
9785d95b BK |
1584 | #ifdef HAVE_NTGUI |
1585 | globals_of_w32fns (); | |
1586 | globals_of_w32menu (); | |
52c7f9ee | 1587 | globals_of_w32select (); |
3b6536b1 | 1588 | #endif /* HAVE_NTGUI */ |
f927c5ae JB |
1589 | } |
1590 | ||
cf411e8d KH |
1591 | init_charset (); |
1592 | ||
f7cf8b20 | 1593 | init_editfns (); /* init_process uses Voperating_system_release. */ |
2491d293 | 1594 | init_process (); /* init_display uses add_keyboard_wait_descriptor. */ |
7db35a48 | 1595 | init_keyboard (); /* This too must precede init_sys_modes. */ |
0a125897 | 1596 | if (!noninteractive) |
7c2fb837 | 1597 | init_display (); /* Determine terminal type. Calls init_sys_modes. */ |
90d920b6 | 1598 | init_fns (); |
8bb697c0 | 1599 | init_xdisp (); |
6b61353c KH |
1600 | #ifdef HAVE_WINDOW_SYSTEM |
1601 | init_fringe (); | |
1602 | init_image (); | |
1603 | #endif /* HAVE_WINDOW_SYSTEM */ | |
8bb697c0 | 1604 | init_macros (); |
8bb697c0 | 1605 | init_floatfns (); |
90d920b6 GM |
1606 | #ifdef HAVE_SOUND |
1607 | init_sound (); | |
1608 | #endif | |
75816372 | 1609 | init_window (); |
8bb697c0 | 1610 | |
f927c5ae JB |
1611 | if (!initialized) |
1612 | { | |
e2925360 | 1613 | char *file; |
7db35a48 | 1614 | /* Handle -l loadup, args passed by Makefile. */ |
df6530f8 | 1615 | if (argmatch (argv, argc, "-l", "--load", 3, &file, &skip_args)) |
f927c5ae | 1616 | Vtop_level = Fcons (intern ("load"), |
e2925360 | 1617 | Fcons (build_string (file), Qnil)); |
f927c5ae | 1618 | /* Unless next switch is -nl, load "loadup.el" first thing. */ |
956e3c7e | 1619 | if (! no_loadup) |
f927c5ae JB |
1620 | Vtop_level = Fcons (intern ("load"), |
1621 | Fcons (build_string ("loadup.el"), Qnil)); | |
f927c5ae JB |
1622 | } |
1623 | ||
93572b43 KH |
1624 | if (initialized) |
1625 | { | |
0269dedb RS |
1626 | #ifdef HAVE_TZSET |
1627 | { | |
1628 | /* If the execution TZ happens to be the same as the dump TZ, | |
1629 | change it to some other value and then change it back, | |
1630 | to force the underlying implementation to reload the TZ info. | |
1631 | This is needed on implementations that load TZ info from files, | |
1632 | since the TZ file contents may differ between dump and execution. */ | |
1633 | char *tz = getenv ("TZ"); | |
1634 | if (tz && !strcmp (tz, dump_tz)) | |
1635 | { | |
1636 | ++*tz; | |
1637 | tzset (); | |
1638 | --*tz; | |
1639 | } | |
1640 | } | |
1641 | #endif | |
93572b43 KH |
1642 | } |
1643 | ||
ecf783fa EZ |
1644 | /* Set up for profiling. This is known to work on FreeBSD, |
1645 | GNU/Linux and MinGW. It might work on some other systems too. | |
1646 | Give it a try and tell us if it works on your system. To compile | |
5a693cc0 EZ |
1647 | for profiling, add -pg to the switches your platform uses in |
1648 | CFLAGS and LDFLAGS. For example: | |
665b5955 | 1649 | `make CFLAGS="-pg -g -O -DPROFILING=1" LDFLAGS="-pg -g"'. */ |
ecf783fa | 1650 | #if defined (__FreeBSD__) || defined (GNU_LINUX) || defined(__MINGW32__) |
e610ea43 RS |
1651 | #ifdef PROFILING |
1652 | if (initialized) | |
1653 | { | |
7db35a48 | 1654 | extern void _mcleanup (); |
ecf783fa EZ |
1655 | #ifdef __MINGW32__ |
1656 | extern unsigned char etext asm ("etext"); | |
1657 | #else | |
e610ea43 | 1658 | extern char etext; |
ecf783fa | 1659 | #endif |
90d920b6 | 1660 | extern void safe_bcopy (); |
67a5596f GM |
1661 | extern void dump_opcode_frequencies (); |
1662 | ||
e610ea43 | 1663 | atexit (_mcleanup); |
90d920b6 GM |
1664 | /* This uses safe_bcopy because that function comes first in the |
1665 | Emacs executable. It might be better to use something that | |
1666 | gives the start of the text segment, but start_of_text is not | |
1667 | defined on all systems now. */ | |
1668 | monstartup (safe_bcopy, &etext); | |
e610ea43 RS |
1669 | } |
1670 | else | |
1671 | moncontrol (0); | |
1672 | #endif | |
1673 | #endif | |
1674 | ||
f927c5ae JB |
1675 | initialized = 1; |
1676 | ||
e7536cff RS |
1677 | #ifdef LOCALTIME_CACHE |
1678 | /* Some versions of localtime have a bug. They cache the value of the time | |
279cc2b8 JB |
1679 | zone rather than looking it up every time. Since localtime() is |
1680 | called to bolt the undumping time into the undumped emacs, this | |
afe9fae9 | 1681 | results in localtime ignoring the TZ environment variable. |
7db35a48 | 1682 | This flushes the new TZ value into localtime. */ |
afe9fae9 | 1683 | tzset (); |
e7536cff | 1684 | #endif /* defined (LOCALTIME_CACHE) */ |
279cc2b8 | 1685 | |
f927c5ae JB |
1686 | /* Enter editor command loop. This never returns. */ |
1687 | Frecursive_edit (); | |
1688 | /* NOTREACHED */ | |
6bbd7a29 | 1689 | return 0; |
f927c5ae JB |
1690 | } |
1691 | \f | |
081bef73 RS |
1692 | /* Sort the args so we can find the most important ones |
1693 | at the beginning of argv. */ | |
1694 | ||
1695 | /* First, here's a table of all the standard options. */ | |
1696 | ||
1697 | struct standard_args | |
1698 | { | |
1699 | char *name; | |
1700 | char *longname; | |
1701 | int priority; | |
1702 | int nargs; | |
1703 | }; | |
1704 | ||
1705 | struct standard_args standard_args[] = | |
1706 | { | |
05922407 RS |
1707 | { "-version", "--version", 150, 0 }, |
1708 | #ifdef HAVE_SHM | |
1709 | { "-nl", "--no-shared-memory", 140, 0 }, | |
2725719a | 1710 | #endif |
05922407 | 1711 | { "-t", "--terminal", 120, 1 }, |
400d6fa9 | 1712 | { "-nw", "--no-window-system", 110, 0 }, |
05922407 RS |
1713 | { "-nw", "--no-windows", 110, 0 }, |
1714 | { "-batch", "--batch", 100, 0 }, | |
6e910e07 | 1715 | { "-script", "--script", 100, 1 }, |
05922407 | 1716 | { "-help", "--help", 90, 0 }, |
956e3c7e RS |
1717 | { "-no-unibyte", "--no-unibyte", 83, 0 }, |
1718 | { "-multibyte", "--multibyte", 82, 0 }, | |
1719 | { "-unibyte", "--unibyte", 81, 0 }, | |
1720 | { "-no-multibyte", "--no-multibyte", 80, 0 }, | |
956e3c7e | 1721 | { "-nl", "--no-loadup", 70, 0 }, |
956e3c7e RS |
1722 | /* -d must come last before the options handled in startup.el. */ |
1723 | { "-d", "--display", 60, 1 }, | |
1724 | { "-display", 0, 60, 1 }, | |
05922407 | 1725 | /* Now for the options handled in startup.el. */ |
a1716a57 RS |
1726 | { "-Q", "--quick", 55, 0 }, |
1727 | { "-quick", 0, 55, 0 }, | |
081bef73 RS |
1728 | { "-q", "--no-init-file", 50, 0 }, |
1729 | { "-no-init-file", 0, 50, 0 }, | |
1730 | { "-no-site-file", "--no-site-file", 40, 0 }, | |
1731 | { "-u", "--user", 30, 1 }, | |
1732 | { "-user", 0, 30, 1 }, | |
1733 | { "-debug-init", "--debug-init", 20, 0 }, | |
f9e36a6d | 1734 | { "-nbi", "--no-bitmap-icon", 15, 0 }, |
f2bc3538 | 1735 | { "-iconic", "--iconic", 15, 0 }, |
a1716a57 | 1736 | { "-D", "--basic-display", 12, 0}, |
e09b9180 | 1737 | { "-basic-display", 0, 12, 0}, |
081bef73 RS |
1738 | { "-bg", "--background-color", 10, 1 }, |
1739 | { "-background", 0, 10, 1 }, | |
1740 | { "-fg", "--foreground-color", 10, 1 }, | |
1741 | { "-foreground", 0, 10, 1 }, | |
1742 | { "-bd", "--border-color", 10, 1 }, | |
1743 | { "-bw", "--border-width", 10, 1 }, | |
1744 | { "-ib", "--internal-border", 10, 1 }, | |
1745 | { "-ms", "--mouse-color", 10, 1 }, | |
1746 | { "-cr", "--cursor-color", 10, 1 }, | |
49ca717b | 1747 | { "-nbc", "--no-blinking-cursor", 10, 0 }, |
081bef73 RS |
1748 | { "-fn", "--font", 10, 1 }, |
1749 | { "-font", 0, 10, 1 }, | |
94452530 EZ |
1750 | { "-fs", "--fullscreen", 10, 0 }, |
1751 | { "-fw", "--fullwidth", 10, 0 }, | |
1752 | { "-fh", "--fullheight", 10, 0 }, | |
081bef73 RS |
1753 | { "-g", "--geometry", 10, 1 }, |
1754 | { "-geometry", 0, 10, 1 }, | |
1755 | { "-T", "--title", 10, 1 }, | |
ae63ae52 | 1756 | { "-title", 0, 10, 1 }, |
081bef73 RS |
1757 | { "-name", "--name", 10, 1 }, |
1758 | { "-xrm", "--xrm", 10, 1 }, | |
1540a61a | 1759 | { "-parent-id", "--parent-id", 10, 1 }, |
fcdeb5d9 RS |
1760 | { "-r", "--reverse-video", 5, 0 }, |
1761 | { "-rv", 0, 5, 0 }, | |
1762 | { "-reverse", 0, 5, 0 }, | |
ae63ae52 | 1763 | { "-hb", "--horizontal-scroll-bars", 5, 0 }, |
fcdeb5d9 | 1764 | { "-vb", "--vertical-scroll-bars", 5, 0 }, |
d20e1b1e | 1765 | { "-color", "--color", 5, 0}, |
16706228 JL |
1766 | { "-no-splash", "--no-splash", 3, 0 }, |
1767 | { "-no-desktop", "--no-desktop", 3, 0 }, | |
edfda783 AR |
1768 | #ifdef HAVE_NS |
1769 | { "-NSAutoLaunch", 0, 5, 1 }, | |
1770 | { "-NXAutoLaunch", 0, 5, 1 }, | |
1771 | { "-disable-font-backend", "--disable-font-backend", 65, 0 }, | |
1772 | { "-_NSMachLaunch", 0, 85, 1 }, | |
1773 | { "-MachLaunch", 0, 85, 1 }, | |
1774 | { "-macosx", 0, 85, 0 }, | |
1775 | { "-NSHost", 0, 85, 1 }, | |
1776 | #endif | |
fcdeb5d9 RS |
1777 | /* These have the same priority as ordinary file name args, |
1778 | so they are not reordered with respect to those. */ | |
4af9e0b3 RS |
1779 | { "-L", "--directory", 0, 1 }, |
1780 | { "-directory", 0, 0, 1 }, | |
fcdeb5d9 RS |
1781 | { "-l", "--load", 0, 1 }, |
1782 | { "-load", 0, 0, 1 }, | |
21a4ff8e GM |
1783 | /* This has no longname, because using --scriptload confuses sort_args, |
1784 | because then the --script long option seems to match twice; ie | |
1785 | you can't have a long option which is a prefix of another long | |
1786 | option. In any case, this is entirely an internal option. */ | |
1787 | { "-scriptload", NULL, 0, 1 }, | |
fcdeb5d9 RS |
1788 | { "-f", "--funcall", 0, 1 }, |
1789 | { "-funcall", 0, 0, 1 }, | |
575985b1 | 1790 | { "-eval", "--eval", 0, 1 }, |
67a5596f | 1791 | { "-execute", "--execute", 0, 1 }, |
2e13f8e9 RS |
1792 | { "-find-file", "--find-file", 0, 1 }, |
1793 | { "-visit", "--visit", 0, 1 }, | |
67a5596f | 1794 | { "-file", "--file", 0, 1 }, |
fcdeb5d9 | 1795 | { "-insert", "--insert", 0, 1 }, |
edfda783 AR |
1796 | #ifdef HAVE_NS |
1797 | { "-NXOpen", 0, 0, 1 }, | |
1798 | { "-NXOpenTemp", 0, 0, 1 }, | |
1799 | { "-NSOpen", 0, 0, 1 }, | |
1800 | { "-NSOpenTemp", 0, 0, 1 }, | |
1801 | { "-GSFilePath", 0, 0, 1 }, | |
1802 | #endif | |
f2bc3538 | 1803 | /* This should be processed after ordinary file name args and the like. */ |
fcdeb5d9 | 1804 | { "-kill", "--kill", -10, 0 }, |
081bef73 RS |
1805 | }; |
1806 | ||
1807 | /* Reorder the elements of ARGV (assumed to have ARGC elements) | |
1808 | so that the highest priority ones come first. | |
1809 | Do not change the order of elements of equal priority. | |
956e3c7e RS |
1810 | If an option takes an argument, keep it and its argument together. |
1811 | ||
1812 | If an option that takes no argument appears more | |
1813 | than once, eliminate all but one copy of it. */ | |
081bef73 RS |
1814 | |
1815 | static void | |
1816 | sort_args (argc, argv) | |
1817 | int argc; | |
1818 | char **argv; | |
1819 | { | |
1820 | char **new = (char **) xmalloc (sizeof (char *) * argc); | |
1821 | /* For each element of argv, | |
1822 | the corresponding element of options is: | |
1823 | 0 for an option that takes no arguments, | |
1824 | 1 for an option that takes one argument, etc. | |
1825 | -1 for an ordinary non-option argument. */ | |
6dad9359 | 1826 | int *options = (int *) xmalloc (sizeof (int) * argc); |
081bef73 RS |
1827 | int *priority = (int *) xmalloc (sizeof (int) * argc); |
1828 | int to = 1; | |
956e3c7e | 1829 | int incoming_used = 1; |
081bef73 RS |
1830 | int from; |
1831 | int i; | |
1832 | ||
1833 | /* Categorize all the options, | |
1834 | and figure out which argv elts are option arguments. */ | |
1835 | for (from = 1; from < argc; from++) | |
1836 | { | |
1837 | options[from] = -1; | |
fcdeb5d9 | 1838 | priority[from] = 0; |
081bef73 RS |
1839 | if (argv[from][0] == '-') |
1840 | { | |
1841 | int match, thislen; | |
1842 | char *equals; | |
1843 | ||
c96f26f4 RS |
1844 | /* If we have found "--", don't consider |
1845 | any more arguments as options. */ | |
249443b6 | 1846 | if (argv[from][1] == '-' && argv[from][2] == 0) |
c96f26f4 RS |
1847 | { |
1848 | /* Leave the "--", and everything following it, at the end. */ | |
1849 | for (; from < argc; from++) | |
1850 | { | |
1851 | priority[from] = -100; | |
1852 | options[from] = -1; | |
1853 | } | |
1854 | break; | |
1855 | } | |
1856 | ||
081bef73 RS |
1857 | /* Look for a match with a known old-fashioned option. */ |
1858 | for (i = 0; i < sizeof (standard_args) / sizeof (standard_args[0]); i++) | |
1859 | if (!strcmp (argv[from], standard_args[i].name)) | |
1860 | { | |
1861 | options[from] = standard_args[i].nargs; | |
1862 | priority[from] = standard_args[i].priority; | |
fd76ec52 RS |
1863 | if (from + standard_args[i].nargs >= argc) |
1864 | fatal ("Option `%s' requires an argument\n", argv[from]); | |
081bef73 RS |
1865 | from += standard_args[i].nargs; |
1866 | goto done; | |
1867 | } | |
1868 | ||
1869 | /* Look for a match with a known long option. | |
1870 | MATCH is -1 if no match so far, -2 if two or more matches so far, | |
1871 | >= 0 (the table index of the match) if just one match so far. */ | |
1872 | if (argv[from][1] == '-') | |
1873 | { | |
1874 | match = -1; | |
1875 | thislen = strlen (argv[from]); | |
1876 | equals = index (argv[from], '='); | |
1877 | if (equals != 0) | |
1878 | thislen = equals - argv[from]; | |
1879 | ||
f609ef57 KH |
1880 | for (i = 0; |
1881 | i < sizeof (standard_args) / sizeof (standard_args[0]); i++) | |
1882 | if (standard_args[i].longname | |
1883 | && !strncmp (argv[from], standard_args[i].longname, | |
1884 | thislen)) | |
081bef73 RS |
1885 | { |
1886 | if (match == -1) | |
1887 | match = i; | |
1888 | else | |
1889 | match = -2; | |
1890 | } | |
1891 | ||
1892 | /* If we found exactly one match, use that. */ | |
1893 | if (match >= 0) | |
1894 | { | |
1895 | options[from] = standard_args[match].nargs; | |
1896 | priority[from] = standard_args[match].priority; | |
1897 | /* If --OPTION=VALUE syntax is used, | |
1898 | this option uses just one argv element. */ | |
1899 | if (equals != 0) | |
1900 | options[from] = 0; | |
fd76ec52 RS |
1901 | if (from + options[from] >= argc) |
1902 | fatal ("Option `%s' requires an argument\n", argv[from]); | |
081bef73 RS |
1903 | from += options[from]; |
1904 | } | |
a09a5b5b GM |
1905 | /* FIXME When match < 0, shouldn't there be some error, |
1906 | or at least indication to the user that there was a | |
1907 | problem? */ | |
081bef73 RS |
1908 | } |
1909 | done: ; | |
1910 | } | |
1911 | } | |
1912 | ||
1913 | /* Copy the arguments, in order of decreasing priority, to NEW. */ | |
1914 | new[0] = argv[0]; | |
956e3c7e | 1915 | while (incoming_used < argc) |
081bef73 RS |
1916 | { |
1917 | int best = -1; | |
2c70c992 | 1918 | int best_priority = -9999; |
081bef73 RS |
1919 | |
1920 | /* Find the highest priority remaining option. | |
1921 | If several have equal priority, take the first of them. */ | |
1922 | for (from = 1; from < argc; from++) | |
1923 | { | |
1924 | if (argv[from] != 0 && priority[from] > best_priority) | |
1925 | { | |
1926 | best_priority = priority[from]; | |
1927 | best = from; | |
1928 | } | |
1929 | /* Skip option arguments--they are tied to the options. */ | |
1930 | if (options[from] > 0) | |
1931 | from += options[from]; | |
1932 | } | |
7db35a48 | 1933 | |
081bef73 RS |
1934 | if (best < 0) |
1935 | abort (); | |
1936 | ||
956e3c7e RS |
1937 | /* Copy the highest priority remaining option, with its args, to NEW. |
1938 | Unless it is a duplicate of the previous one. */ | |
1939 | if (! (options[best] == 0 | |
1940 | && ! strcmp (new[to - 1], argv[best]))) | |
1941 | { | |
1942 | new[to++] = argv[best]; | |
1943 | for (i = 0; i < options[best]; i++) | |
1944 | new[to++] = argv[best + i + 1]; | |
1945 | } | |
1946 | ||
1947 | incoming_used += 1 + (options[best] > 0 ? options[best] : 0); | |
081bef73 RS |
1948 | |
1949 | /* Clear out this option in ARGV. */ | |
1950 | argv[best] = 0; | |
1951 | for (i = 0; i < options[best]; i++) | |
1952 | argv[best + i + 1] = 0; | |
1953 | } | |
1954 | ||
81b7af72 RS |
1955 | /* If duplicate options were deleted, fill up extra space with null ptrs. */ |
1956 | while (to < argc) | |
1957 | new[to++] = 0; | |
1958 | ||
6dad9359 | 1959 | bcopy (new, argv, sizeof (char *) * argc); |
0bf591da | 1960 | |
68db37aa KS |
1961 | xfree (options); |
1962 | xfree (new); | |
1963 | xfree (priority); | |
081bef73 RS |
1964 | } |
1965 | \f | |
f927c5ae | 1966 | DEFUN ("kill-emacs", Fkill_emacs, Skill_emacs, 0, 1, "P", |
7db35a48 PJ |
1967 | doc: /* Exit the Emacs job and kill it. |
1968 | If ARG is an integer, return ARG as the exit program code. | |
b224de9b | 1969 | If ARG is a string, stuff it as keyboard input. |
7db35a48 PJ |
1970 | |
1971 | The value of `kill-emacs-hook', if not void, | |
1972 | is a list of functions (of no args), | |
1973 | all of which are called before Emacs is actually killed. */) | |
1974 | (arg) | |
f927c5ae JB |
1975 | Lisp_Object arg; |
1976 | { | |
f927c5ae JB |
1977 | struct gcpro gcpro1; |
1978 | ||
1979 | GCPRO1 (arg); | |
1980 | ||
1981 | if (feof (stdin)) | |
1982 | arg = Qt; | |
1983 | ||
2447c626 | 1984 | if (!NILP (Vrun_hooks) && !noninteractive) |
f927c5ae JB |
1985 | call1 (Vrun_hooks, intern ("kill-emacs-hook")); |
1986 | ||
f927c5ae JB |
1987 | UNGCPRO; |
1988 | ||
d0068e25 | 1989 | shut_down_emacs (0, 0, STRINGP (arg) ? arg : Qnil); |
40be253a | 1990 | |
58545838 KH |
1991 | /* If we have an auto-save list file, |
1992 | kill it because we are exiting Emacs deliberately (not crashing). | |
1993 | Do it after shut_down_emacs, which does an auto-save. */ | |
1994 | if (STRINGP (Vauto_save_list_file_name)) | |
d5db4077 | 1995 | unlink (SDATA (Vauto_save_list_file_name)); |
58545838 | 1996 | |
fa439170 | 1997 | exit (INTEGERP (arg) ? XINT (arg) : EXIT_SUCCESS); |
f927c5ae | 1998 | /* NOTREACHED */ |
f1145b54 | 1999 | return Qnil; |
f927c5ae | 2000 | } |
40be253a JB |
2001 | |
2002 | ||
2003 | /* Perform an orderly shutdown of Emacs. Autosave any modified | |
2004 | buffers, kill any child processes, clean up the terminal modes (if | |
2005 | we're in the foreground), and other stuff like that. Don't perform | |
2006 | any redisplay; this may be called when Emacs is shutting down in | |
2007 | the background, or after its X connection has died. | |
2008 | ||
2009 | If SIG is a signal number, print a message for it. | |
2010 | ||
2011 | This is called by fatal signal handlers, X protocol error handlers, | |
2012 | and Fkill_emacs. */ | |
f7ab4e3d | 2013 | |
40be253a | 2014 | void |
f7ab4e3d | 2015 | shut_down_emacs (sig, no_x, stuff) |
41423a80 | 2016 | int sig, no_x; |
f7ab4e3d | 2017 | Lisp_Object stuff; |
40be253a | 2018 | { |
829d872b RS |
2019 | /* Prevent running of hooks from now on. */ |
2020 | Vrun_hooks = Qnil; | |
2021 | ||
9db03f6c KS |
2022 | /* Don't update display from now on. */ |
2023 | Vinhibit_redisplay = Qt; | |
2024 | ||
7db35a48 | 2025 | /* If we are controlling the terminal, reset terminal modes. */ |
40be253a JB |
2026 | #ifdef EMACS_HAVE_TTY_PGRP |
2027 | { | |
d04d81d2 RS |
2028 | int pgrp = EMACS_GETPGRP (0); |
2029 | ||
40be253a JB |
2030 | int tpgrp; |
2031 | if (EMACS_GET_TTY_PGRP (0, &tpgrp) != -1 | |
5a570e37 | 2032 | && tpgrp == pgrp) |
40be253a | 2033 | { |
28d440ab | 2034 | reset_all_sys_modes (); |
40be253a | 2035 | if (sig && sig != SIGTERM) |
6b61353c | 2036 | fprintf (stderr, "Fatal error (%d)", sig); |
40be253a JB |
2037 | } |
2038 | } | |
2039 | #else | |
2040 | fflush (stdout); | |
0a125897 | 2041 | reset_all_sys_modes (); |
40be253a JB |
2042 | #endif |
2043 | ||
f7ab4e3d RS |
2044 | stuff_buffered_input (stuff); |
2045 | ||
ba7c29f3 | 2046 | #ifdef subprocesses |
92d835a4 | 2047 | inhibit_sentinels = 1; |
ba7c29f3 | 2048 | #endif |
40be253a JB |
2049 | kill_buffer_processes (Qnil); |
2050 | Fdo_auto_save (Qt, Qnil); | |
2051 | ||
2052 | #ifdef CLASH_DETECTION | |
2053 | unlock_all_files (); | |
2054 | #endif | |
2055 | ||
5e7f8733 | 2056 | #if 0 /* This triggers a bug in XCloseDisplay and is not needed. */ |
41423a80 | 2057 | #ifdef HAVE_X_WINDOWS |
f7511647 | 2058 | /* It's not safe to call intern here. Maybe we are crashing. */ |
2246281f KL |
2059 | if (!noninteractive && SYMBOLP (Vinitial_window_system) |
2060 | && SCHARS (SYMBOL_NAME (Vinitial_window_system)) == 1 | |
2061 | && SREF (SYMBOL_NAME (Vinitial_window_system), 0) == 'x' | |
f7511647 | 2062 | && ! no_x) |
41423a80 RS |
2063 | Fx_close_current_connection (); |
2064 | #endif /* HAVE_X_WINDOWS */ | |
5e7f8733 | 2065 | #endif |
41423a80 | 2066 | |
40be253a JB |
2067 | #ifdef SIGIO |
2068 | /* There is a tendency for a SIGIO signal to arrive within exit, | |
2069 | and cause a SIGHUP because the input descriptor is already closed. */ | |
2070 | unrequest_sigio (); | |
2071 | signal (SIGIO, SIG_IGN); | |
2072 | #endif | |
41f339d4 RS |
2073 | |
2074 | #ifdef WINDOWSNT | |
2075 | term_ntproc (); | |
2076 | #endif | |
d546e578 | 2077 | |
cd8d4168 GM |
2078 | /* Do this only if terminating normally, we want glyph matrices |
2079 | etc. in a core dump. */ | |
200f868e | 2080 | if (sig == 0 || sig == SIGTERM) |
cd8d4168 GM |
2081 | { |
2082 | check_glyph_memory (); | |
2083 | check_message_stack (); | |
2084 | } | |
90d920b6 | 2085 | |
d546e578 EZ |
2086 | #ifdef MSDOS |
2087 | dos_cleanup (); | |
2088 | #endif | |
edfda783 AR |
2089 | |
2090 | #ifdef HAVE_NS | |
2091 | ns_term_shutdown (sig); | |
2092 | #endif | |
40be253a JB |
2093 | } |
2094 | ||
2095 | ||
f927c5ae JB |
2096 | \f |
2097 | #ifndef CANNOT_DUMP | |
f927c5ae JB |
2098 | |
2099 | #ifdef HAVE_SHM | |
2100 | ||
2101 | DEFUN ("dump-emacs-data", Fdump_emacs_data, Sdump_emacs_data, 1, 1, 0, | |
7db35a48 PJ |
2102 | doc: /* Dump current state of Emacs into data file FILENAME. |
2103 | This function exists on systems that use HAVE_SHM. */) | |
2104 | (filename) | |
c9aae259 | 2105 | Lisp_Object filename; |
f927c5ae | 2106 | { |
55697f5b | 2107 | extern char my_edata[]; |
f927c5ae | 2108 | Lisp_Object tem; |
f927c5ae | 2109 | |
4fab758d | 2110 | check_pure_size (); |
b7826503 | 2111 | CHECK_STRING (filename); |
c9aae259 | 2112 | filename = Fexpand_file_name (filename, Qnil); |
f927c5ae JB |
2113 | |
2114 | tem = Vpurify_flag; | |
2115 | Vpurify_flag = Qnil; | |
2116 | ||
2117 | fflush (stdout); | |
7db35a48 | 2118 | /* Tell malloc where start of impure now is. */ |
f927c5ae JB |
2119 | /* Also arrange for warnings when nearly out of space. */ |
2120 | #ifndef SYSTEM_MALLOC | |
1090a161 | 2121 | memory_warnings (my_edata, malloc_warning); |
f927c5ae | 2122 | #endif |
d5db4077 | 2123 | map_out_data (SDATA (filename)); |
f927c5ae JB |
2124 | |
2125 | Vpurify_flag = tem; | |
2126 | ||
2127 | return Qnil; | |
2128 | } | |
2129 | ||
2130 | #else /* not HAVE_SHM */ | |
2131 | ||
2132 | DEFUN ("dump-emacs", Fdump_emacs, Sdump_emacs, 2, 2, 0, | |
7db35a48 PJ |
2133 | doc: /* Dump current state of Emacs into executable file FILENAME. |
2134 | Take symbols from SYMFILE (presumably the file you executed to run Emacs). | |
2135 | This is used in the file `loadup.el' when building Emacs. | |
2136 | ||
2137 | You must run Emacs in batch mode in order to dump it. */) | |
2138 | (filename, symfile) | |
c9aae259 | 2139 | Lisp_Object filename, symfile; |
f927c5ae | 2140 | { |
55697f5b | 2141 | extern char my_edata[]; |
f927c5ae | 2142 | Lisp_Object tem; |
1b7ddf4f | 2143 | Lisp_Object symbol; |
331379bf | 2144 | int count = SPECPDL_INDEX (); |
4fab758d GM |
2145 | |
2146 | check_pure_size (); | |
f927c5ae | 2147 | |
87a98b1a RS |
2148 | if (! noninteractive) |
2149 | error ("Dumping Emacs works only in batch mode"); | |
2150 | ||
848a925e | 2151 | #ifdef GNU_LINUX |
dede2792 JD |
2152 | if (heap_bss_diff > MAX_HEAP_BSS_DIFF) |
2153 | { | |
2154 | fprintf (stderr, "**************************************************\n"); | |
2155 | fprintf (stderr, "Warning: Your system has a gap between BSS and the\n"); | |
e79beb56 | 2156 | fprintf (stderr, "heap (%lu bytes). This usually means that exec-shield\n", |
c37caf9d JD |
2157 | heap_bss_diff); |
2158 | fprintf (stderr, "or something similar is in effect. The dump may\n"); | |
e79beb56 | 2159 | fprintf (stderr, "fail because of this. See the section about\n"); |
c37caf9d | 2160 | fprintf (stderr, "exec-shield in etc/PROBLEMS for more information.\n"); |
dede2792 JD |
2161 | fprintf (stderr, "**************************************************\n"); |
2162 | } | |
848a925e | 2163 | #endif /* GNU_LINUX */ |
dede2792 | 2164 | |
1b7ddf4f RS |
2165 | /* Bind `command-line-processed' to nil before dumping, |
2166 | so that the dumped Emacs will process its command line | |
2167 | and set up to work with X windows if appropriate. */ | |
4aaa3607 | 2168 | symbol = intern ("command-line-processed"); |
1b7ddf4f RS |
2169 | specbind (symbol, Qnil); |
2170 | ||
b7826503 | 2171 | CHECK_STRING (filename); |
c9aae259 EN |
2172 | filename = Fexpand_file_name (filename, Qnil); |
2173 | if (!NILP (symfile)) | |
f927c5ae | 2174 | { |
b7826503 | 2175 | CHECK_STRING (symfile); |
d5db4077 | 2176 | if (SCHARS (symfile)) |
c9aae259 | 2177 | symfile = Fexpand_file_name (symfile, Qnil); |
f927c5ae JB |
2178 | } |
2179 | ||
2180 | tem = Vpurify_flag; | |
2181 | Vpurify_flag = Qnil; | |
2182 | ||
0269dedb RS |
2183 | #ifdef HAVE_TZSET |
2184 | set_time_zone_rule (dump_tz); | |
2185 | #ifndef LOCALTIME_CACHE | |
2186 | /* Force a tz reload, since set_time_zone_rule doesn't. */ | |
2187 | tzset (); | |
2188 | #endif | |
2189 | #endif | |
2190 | ||
f927c5ae | 2191 | fflush (stdout); |
7db35a48 | 2192 | /* Tell malloc where start of impure now is. */ |
f927c5ae JB |
2193 | /* Also arrange for warnings when nearly out of space. */ |
2194 | #ifndef SYSTEM_MALLOC | |
cc5f52cb RS |
2195 | #ifndef WINDOWSNT |
2196 | /* On Windows, this was done before dumping, and that once suffices. | |
2197 | Meanwhile, my_edata is not valid on Windows. */ | |
cb37cf78 | 2198 | memory_warnings (my_edata, malloc_warning); |
cc5f52cb | 2199 | #endif /* not WINDOWSNT */ |
15aaf1b5 | 2200 | #endif |
06ca62eb | 2201 | #if !defined (SYSTEM_MALLOC) && defined (HAVE_GTK_AND_PTHREAD) && !defined SYNC_INPUT |
aa477689 JD |
2202 | /* Pthread may call malloc before main, and then we will get an endless |
2203 | loop, because pthread_self (see alloc.c) calls malloc the first time | |
2204 | it is called on some systems. */ | |
2205 | reset_malloc_hooks (); | |
2206 | #endif | |
15aaf1b5 RS |
2207 | #ifdef DOUG_LEA_MALLOC |
2208 | malloc_state_ptr = malloc_get_state (); | |
f927c5ae | 2209 | #endif |
2b7377ca | 2210 | |
a74c5ec1 | 2211 | #ifdef USE_MMAP_FOR_BUFFERS |
2b7377ca GM |
2212 | mmap_set_vars (0); |
2213 | #endif | |
d5db4077 KR |
2214 | unexec (SDATA (filename), |
2215 | !NILP (symfile) ? SDATA (symfile) : 0, my_edata, 0, 0); | |
a74c5ec1 | 2216 | #ifdef USE_MMAP_FOR_BUFFERS |
2b7377ca GM |
2217 | mmap_set_vars (1); |
2218 | #endif | |
15aaf1b5 RS |
2219 | #ifdef DOUG_LEA_MALLOC |
2220 | free (malloc_state_ptr); | |
2221 | #endif | |
f927c5ae JB |
2222 | |
2223 | Vpurify_flag = tem; | |
2224 | ||
1b7ddf4f | 2225 | return unbind_to (count, Qnil); |
f927c5ae JB |
2226 | } |
2227 | ||
2228 | #endif /* not HAVE_SHM */ | |
2229 | ||
2230 | #endif /* not CANNOT_DUMP */ | |
2231 | \f | |
68c45bf0 PE |
2232 | #if HAVE_SETLOCALE |
2233 | /* Recover from setlocale (LC_ALL, ""). */ | |
2234 | void | |
2235 | fixup_locale () | |
2236 | { | |
68c45bf0 PE |
2237 | /* The Emacs Lisp reader needs LC_NUMERIC to be "C", |
2238 | so that numbers are read and printed properly for Emacs Lisp. */ | |
2239 | setlocale (LC_NUMERIC, "C"); | |
68c45bf0 PE |
2240 | } |
2241 | ||
0c8559bb PE |
2242 | /* Set system locale CATEGORY, with previous locale *PLOCALE, to |
2243 | DESIRED_LOCALE. */ | |
68c45bf0 PE |
2244 | static void |
2245 | synchronize_locale (category, plocale, desired_locale) | |
2246 | int category; | |
2247 | Lisp_Object *plocale; | |
2248 | Lisp_Object desired_locale; | |
2249 | { | |
0c8559bb PE |
2250 | if (! EQ (*plocale, desired_locale)) |
2251 | { | |
2252 | *plocale = desired_locale; | |
2253 | setlocale (category, (STRINGP (desired_locale) | |
3b6536b1 | 2254 | ? (char *) SDATA (desired_locale) |
0c8559bb PE |
2255 | : "")); |
2256 | } | |
68c45bf0 PE |
2257 | } |
2258 | ||
ca9c0567 | 2259 | /* Set system time locale to match Vsystem_time_locale, if possible. */ |
68c45bf0 | 2260 | void |
ca9c0567 | 2261 | synchronize_system_time_locale () |
68c45bf0 | 2262 | { |
ca9c0567 PE |
2263 | synchronize_locale (LC_TIME, &Vprevious_system_time_locale, |
2264 | Vsystem_time_locale); | |
68c45bf0 PE |
2265 | } |
2266 | ||
ca9c0567 PE |
2267 | /* Set system messages locale to match Vsystem_messages_locale, if |
2268 | possible. */ | |
68c45bf0 | 2269 | void |
ca9c0567 | 2270 | synchronize_system_messages_locale () |
68c45bf0 PE |
2271 | { |
2272 | #ifdef LC_MESSAGES | |
ca9c0567 PE |
2273 | synchronize_locale (LC_MESSAGES, &Vprevious_system_messages_locale, |
2274 | Vsystem_messages_locale); | |
68c45bf0 PE |
2275 | #endif |
2276 | } | |
2277 | #endif /* HAVE_SETLOCALE */ | |
2278 | \f | |
4b163808 | 2279 | #ifndef SEPCHAR |
f927c5ae JB |
2280 | #define SEPCHAR ':' |
2281 | #endif | |
2282 | ||
2283 | Lisp_Object | |
2284 | decode_env_path (evarname, defalt) | |
2285 | char *evarname, *defalt; | |
2286 | { | |
2287 | register char *path, *p; | |
213d0b1f | 2288 | Lisp_Object lpath, element, tem; |
f927c5ae | 2289 | |
2447c626 JB |
2290 | /* It's okay to use getenv here, because this function is only used |
2291 | to initialize variables when Emacs starts up, and isn't called | |
2292 | after that. */ | |
e065a56e JB |
2293 | if (evarname != 0) |
2294 | path = (char *) getenv (evarname); | |
2295 | else | |
2296 | path = 0; | |
f927c5ae JB |
2297 | if (!path) |
2298 | path = defalt; | |
6a30e6d6 RS |
2299 | #ifdef DOS_NT |
2300 | /* Ensure values from the environment use the proper directory separator. */ | |
2301 | if (path) | |
2302 | { | |
2303 | p = alloca (strlen (path) + 1); | |
2304 | strcpy (p, path); | |
2305 | path = p; | |
2306 | ||
2307 | if ('/' == DIRECTORY_SEP) | |
2308 | dostounix_filename (path); | |
2309 | else | |
2310 | unixtodos_filename (path); | |
2311 | } | |
2312 | #endif | |
f927c5ae JB |
2313 | lpath = Qnil; |
2314 | while (1) | |
2315 | { | |
2316 | p = index (path, SEPCHAR); | |
2317 | if (!p) p = path + strlen (path); | |
213d0b1f RS |
2318 | element = (p - path ? make_string (path, p - path) |
2319 | : build_string (".")); | |
2320 | ||
2321 | /* Add /: to the front of the name | |
2322 | if it would otherwise be treated as magic. */ | |
2323 | tem = Ffind_file_name_handler (element, Qt); | |
ca3df2d5 RS |
2324 | |
2325 | /* However, if the handler says "I'm safe", | |
2326 | don't bother adding /:. */ | |
2327 | if (SYMBOLP (tem)) | |
2328 | { | |
2329 | Lisp_Object prop; | |
2330 | prop = Fget (tem, intern ("safe-magic")); | |
2331 | if (! NILP (prop)) | |
2332 | tem = Qnil; | |
2333 | } | |
2334 | ||
213d0b1f RS |
2335 | if (! NILP (tem)) |
2336 | element = concat2 (build_string ("/:"), element); | |
2337 | ||
2338 | lpath = Fcons (element, lpath); | |
f927c5ae JB |
2339 | if (*p) |
2340 | path = p + 1; | |
2341 | else | |
2342 | break; | |
2343 | } | |
2344 | return Fnreverse (lpath); | |
2345 | } | |
2346 | ||
dfcf069d | 2347 | void |
f927c5ae JB |
2348 | syms_of_emacs () |
2349 | { | |
213d0b1f RS |
2350 | Qfile_name_handler_alist = intern ("file-name-handler-alist"); |
2351 | staticpro (&Qfile_name_handler_alist); | |
2352 | ||
83591e66 | 2353 | #ifndef CANNOT_DUMP |
f927c5ae JB |
2354 | #ifdef HAVE_SHM |
2355 | defsubr (&Sdump_emacs_data); | |
2356 | #else | |
2357 | defsubr (&Sdump_emacs); | |
83591e66 | 2358 | #endif |
f927c5ae JB |
2359 | #endif |
2360 | ||
2361 | defsubr (&Skill_emacs); | |
2362 | ||
59653951 | 2363 | defsubr (&Sinvocation_name); |
ace40a69 | 2364 | defsubr (&Sinvocation_directory); |
59653951 | 2365 | |
f927c5ae | 2366 | DEFVAR_LISP ("command-line-args", &Vcommand_line_args, |
2a9d2ed6 RS |
2367 | doc: /* Args passed by shell to Emacs, as a list of strings. |
2368 | Many arguments are deleted from the list as they are processed. */); | |
f927c5ae JB |
2369 | |
2370 | DEFVAR_LISP ("system-type", &Vsystem_type, | |
40a8993a NR |
2371 | doc: /* Value is symbol indicating type of operating system you are using. |
2372 | Special values: | |
44ac2d3e | 2373 | `gnu' compiled for a GNU Hurd system. |
40a8993a NR |
2374 | `gnu/linux' compiled for a GNU/Linux system. |
2375 | `darwin' compiled for Darwin (GNU-Darwin, Mac OS X, ...). | |
40a8993a NR |
2376 | `ms-dos' compiled as an MS-DOS application. |
2377 | `windows-nt' compiled as a native W32 application. | |
2378 | `cygwin' compiled using the Cygwin library. | |
40a8993a | 2379 | Anything else indicates some sort of Unix system. */); |
f927c5ae JB |
2380 | Vsystem_type = intern (SYSTEM_TYPE); |
2381 | ||
271c7b7c | 2382 | DEFVAR_LISP ("system-configuration", &Vsystem_configuration, |
7db35a48 PJ |
2383 | doc: /* Value is string indicating configuration Emacs was built for. |
2384 | On MS-Windows, the value reflects the OS flavor and version on which | |
2385 | Emacs is running. */); | |
f7511647 | 2386 | Vsystem_configuration = build_string (EMACS_CONFIGURATION); |
271c7b7c | 2387 | |
f0fc0b1a | 2388 | DEFVAR_LISP ("system-configuration-options", &Vsystem_configuration_options, |
7db35a48 | 2389 | doc: /* String containing the configuration options Emacs was built with. */); |
f0fc0b1a KH |
2390 | Vsystem_configuration_options = build_string (EMACS_CONFIG_OPTIONS); |
2391 | ||
f927c5ae | 2392 | DEFVAR_BOOL ("noninteractive", &noninteractive1, |
7db35a48 | 2393 | doc: /* Non-nil means Emacs is running without interactive terminal. */); |
e5d77022 | 2394 | |
e5d77022 | 2395 | DEFVAR_LISP ("kill-emacs-hook", &Vkill_emacs_hook, |
e79beb56 | 2396 | doc: /* Hook to be run when `kill-emacs' is called. |
d77b70e5 | 2397 | Since `kill-emacs' may be invoked when the terminal is disconnected (or |
7db35a48 PJ |
2398 | in other similar situations), functions placed on this hook should not |
2399 | expect to be able to interact with the user. To ask for confirmation, | |
d77b70e5 MR |
2400 | see `kill-emacs-query-functions' instead. |
2401 | ||
2402 | The hook is not run in batch mode, i.e., if `noninteractive' is non-nil. */); | |
edc8ae07 | 2403 | Vkill_emacs_hook = Qnil; |
3005da00 RS |
2404 | |
2405 | DEFVAR_INT ("emacs-priority", &emacs_priority, | |
7db35a48 PJ |
2406 | doc: /* Priority for Emacs to run at. |
2407 | This value is effective only if set before Emacs is dumped, | |
2408 | and only if the Emacs executable is installed with setuid to permit | |
2409 | it to change priority. (Emacs sets its uid back to the real uid.) | |
2410 | Currently, you need to define SET_EMACS_PRIORITY in `config.h' | |
2411 | before you compile Emacs, to enable the code for this feature. */); | |
e7a9e1c3 | 2412 | emacs_priority = 0; |
074a066b GV |
2413 | |
2414 | DEFVAR_LISP ("path-separator", &Vpath_separator, | |
c7ed3276 EZ |
2415 | doc: /* String containing the character that separates directories in |
2416 | search paths, such as PATH and other similar environment variables. */); | |
074a066b GV |
2417 | { |
2418 | char c = SEPCHAR; | |
2419 | Vpath_separator = make_string (&c, 1); | |
2420 | } | |
59653951 | 2421 | |
f67de86f | 2422 | DEFVAR_LISP ("invocation-name", &Vinvocation_name, |
7db35a48 PJ |
2423 | doc: /* The program name that was used to run Emacs. |
2424 | Any directory names are omitted. */); | |
f67de86f RS |
2425 | |
2426 | DEFVAR_LISP ("invocation-directory", &Vinvocation_directory, | |
7db35a48 PJ |
2427 | doc: /* The directory in which the Emacs executable was found, to run it. |
2428 | The value is nil if that directory's name is not known. */); | |
f67de86f RS |
2429 | |
2430 | DEFVAR_LISP ("installation-directory", &Vinstallation_directory, | |
7db35a48 | 2431 | doc: /* A directory within which to look for the `lib-src' and `etc' directories. |
e58a672c RS |
2432 | This is non-nil when we can't find those directories in their standard |
2433 | installed locations, but we can find them near where the Emacs executable | |
2434 | was found. */); | |
07f4d123 | 2435 | Vinstallation_directory = Qnil; |
68c45bf0 | 2436 | |
ca9c0567 | 2437 | DEFVAR_LISP ("system-messages-locale", &Vsystem_messages_locale, |
7db35a48 | 2438 | doc: /* System locale for messages. */); |
ca9c0567 | 2439 | Vsystem_messages_locale = Qnil; |
68c45bf0 | 2440 | |
ca9c0567 | 2441 | DEFVAR_LISP ("previous-system-messages-locale", |
7db35a48 PJ |
2442 | &Vprevious_system_messages_locale, |
2443 | doc: /* Most recently used system locale for messages. */); | |
ca9c0567 | 2444 | Vprevious_system_messages_locale = Qnil; |
68c45bf0 | 2445 | |
ca9c0567 | 2446 | DEFVAR_LISP ("system-time-locale", &Vsystem_time_locale, |
7db35a48 | 2447 | doc: /* System locale for time. */); |
ca9c0567 | 2448 | Vsystem_time_locale = Qnil; |
68c45bf0 | 2449 | |
ca9c0567 | 2450 | DEFVAR_LISP ("previous-system-time-locale", &Vprevious_system_time_locale, |
7db35a48 | 2451 | doc: /* Most recently used system locale for time. */); |
ca9c0567 | 2452 | Vprevious_system_time_locale = Qnil; |
f927c5ae | 2453 | } |
6b61353c KH |
2454 | |
2455 | /* arch-tag: 7bfd356a-c720-4612-8ab6-aa4222931c2e | |
2456 | (do not change this comment) */ |