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, |
893db5bc GM |
3 | 2001, 2002, 2003, 2004, 2005, 2006, 2007, 2008, 2009, |
4 | 2010 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> | |
d7306fe6 | 29 | #include <setjmp.h> |
f927c5ae | 30 | |
cda4a5fd GM |
31 | #ifdef HAVE_UNISTD_H |
32 | #include <unistd.h> | |
33 | #endif | |
34 | ||
1d29df59 | 35 | #ifdef HAVE_SYS_IOCTL_H |
f927c5ae JB |
36 | #include <sys/ioctl.h> |
37 | #endif | |
38 | ||
edd3ff1d JR |
39 | #ifdef WINDOWSNT |
40 | #include <fcntl.h> | |
52c7f9ee JR |
41 | #include <windows.h> /* just for w32.h */ |
42 | #include "w32.h" | |
c68a2829 | 43 | #include "w32heap.h" /* for prototype of sbrk */ |
edd3ff1d JR |
44 | #endif |
45 | ||
edfda783 AR |
46 | #ifdef NS_IMPL_GNUSTEP |
47 | /* At least under Debian, GSConfig is in a subdirectory. --Stef */ | |
48 | #include <GNUstepBase/GSConfig.h> | |
49 | #endif | |
50 | ||
f927c5ae JB |
51 | #include "lisp.h" |
52 | #include "commands.h" | |
bef79ee4 | 53 | #include "intervals.h" |
a08a816a | 54 | #include "buffer.h" |
3f6abfd7 | 55 | #include "window.h" |
f927c5ae | 56 | |
edc8ae07 | 57 | #include "systty.h" |
6c3a4e9d | 58 | #include "blockinput.h" |
8090eb09 | 59 | #include "syssignal.h" |
6c362a8b | 60 | #include "process.h" |
428a555e | 61 | #include "frame.h" |
5bda49c6 | 62 | #include "termhooks.h" |
dfcf069d | 63 | #include "keyboard.h" |
e35f6ff7 | 64 | #include "keymap.h" |
a41f8bed | 65 | |
68c45bf0 PE |
66 | #ifdef HAVE_SETLOCALE |
67 | #include <locale.h> | |
68 | #endif | |
69 | ||
53c58b5d RS |
70 | #ifdef HAVE_SETRLIMIT |
71 | #include <sys/time.h> | |
72 | #include <sys/resource.h> | |
73 | #endif | |
74 | ||
dede2792 JD |
75 | #ifdef HAVE_PERSONALITY_LINUX32 |
76 | #include <sys/personality.h> | |
77 | #endif | |
78 | ||
f927c5ae JB |
79 | #ifndef O_RDWR |
80 | #define O_RDWR 2 | |
81 | #endif | |
82 | ||
f95c3f91 | 83 | #ifdef HAVE_SETPGID |
58eb6cf0 | 84 | #if !defined (USG) |
90553aa3 | 85 | #undef setpgrp |
f95c3f91 GM |
86 | #define setpgrp setpgid |
87 | #endif | |
2b7e8799 | 88 | #endif |
f95c3f91 | 89 | |
8c5ff6dd KR |
90 | const char emacs_copyright[] = "Copyright (C) 2010 Free Software Foundation, Inc."; |
91 | const char emacs_version[] = "24.0.50"; | |
92 | ||
f57e2426 J |
93 | extern void malloc_warning (char *); |
94 | extern void set_time_zone_rule (char *); | |
8892f40b | 95 | #ifdef HAVE_INDEX |
f57e2426 | 96 | extern char *index (const char *, int); |
8892f40b | 97 | #endif |
43165242 | 98 | |
30aa3f19 GM |
99 | /* Make these values available in GDB, which doesn't see macros. */ |
100 | ||
6b61353c KH |
101 | #ifdef USE_LSB_TAG |
102 | int gdb_use_lsb = 1; | |
103 | #else | |
104 | int gdb_use_lsb = 0; | |
105 | #endif | |
6e5cb96f | 106 | #ifndef USE_LISP_UNION_TYPE |
6b61353c KH |
107 | int gdb_use_union = 0; |
108 | #else | |
109 | int gdb_use_union = 1; | |
110 | #endif | |
30aa3f19 GM |
111 | EMACS_INT gdb_valbits = VALBITS; |
112 | EMACS_INT gdb_gctypebits = GCTYPEBITS; | |
4f7cb96d | 113 | #if defined (DATA_SEG_BITS) && ! defined (USE_LSB_TAG) |
30aa3f19 GM |
114 | EMACS_INT gdb_data_seg_bits = DATA_SEG_BITS; |
115 | #else | |
df50cf6c | 116 | EMACS_INT gdb_data_seg_bits = 0; |
30aa3f19 | 117 | #endif |
00da0e4a | 118 | EMACS_INT PVEC_FLAG = PSEUDOVECTOR_FLAG; |
3fba6ca9 | 119 | EMACS_INT gdb_array_mark_flag = ARRAY_MARK_FLAG; |
6baa02d6 EZ |
120 | /* GDB might say "No enum type named pvec_type" if we don't have at |
121 | least one symbol with that type, and then xbacktrace could fail. */ | |
122 | enum pvec_type gdb_pvec_type = PVEC_TYPE_MASK; | |
30aa3f19 | 123 | |
7db35a48 | 124 | /* Command line args from shell, as list of strings. */ |
f927c5ae JB |
125 | Lisp_Object Vcommand_line_args; |
126 | ||
59653951 JB |
127 | /* The name under which Emacs was invoked, with any leading directory |
128 | names discarded. */ | |
129 | Lisp_Object Vinvocation_name; | |
130 | ||
ace40a69 RS |
131 | /* The directory name from which Emacs was invoked. */ |
132 | Lisp_Object Vinvocation_directory; | |
133 | ||
07f4d123 RS |
134 | /* The directory name in which to find subdirs such as lisp and etc. |
135 | nil means get them only from PATH_LOADSEARCH. */ | |
136 | Lisp_Object Vinstallation_directory; | |
137 | ||
90503d96 CY |
138 | /* The values of `current-time' before and after Emacs initialization. */ |
139 | Lisp_Object Vbefore_init_time, Vafter_init_time; | |
140 | ||
e5d77022 JB |
141 | /* Hook run by `kill-emacs' before it does really anything. */ |
142 | Lisp_Object Vkill_emacs_hook; | |
143 | ||
7e9fa161 JB |
144 | /* Empty lisp strings. To avoid having to build any others. */ |
145 | Lisp_Object empty_unibyte_string, empty_multibyte_string; | |
f9a6326d | 146 | |
074a066b GV |
147 | /* Search path separator. */ |
148 | Lisp_Object Vpath_separator; | |
149 | ||
f927c5ae JB |
150 | /* Set nonzero after Emacs has started up the first time. |
151 | Prevents reinitialization of the Lisp world and keymaps | |
152 | on subsequent starts. */ | |
153 | int initialized; | |
154 | ||
15aaf1b5 RS |
155 | #ifdef DOUG_LEA_MALLOC |
156 | /* Preserves a pointer to the memory allocated that copies that | |
157 | static data inside glibc's malloc. */ | |
158 | void *malloc_state_ptr; | |
159 | /* From glibc, a routine that returns a copy of the malloc internal state. */ | |
dd4c5104 | 160 | extern void *malloc_get_state (void); |
15aaf1b5 | 161 | /* From glibc, a routine that overwrites the malloc internal state. */ |
dd4c5104 | 162 | extern int malloc_set_state (void*); |
768c0c0f | 163 | /* Non-zero if the MALLOC_CHECK_ environment variable was set while |
7c9cd446 AS |
164 | dumping. Used to work around a bug in glibc's malloc. */ |
165 | int malloc_using_checking; | |
15aaf1b5 RS |
166 | #endif |
167 | ||
271c7b7c | 168 | /* Variable whose value is symbol giving operating system type. */ |
f927c5ae | 169 | Lisp_Object Vsystem_type; |
271c7b7c RS |
170 | |
171 | /* Variable whose value is string giving configuration built for. */ | |
172 | Lisp_Object Vsystem_configuration; | |
f0fc0b1a KH |
173 | |
174 | /* Variable whose value is string giving configuration options, | |
175 | for use when reporting bugs. */ | |
176 | Lisp_Object Vsystem_configuration_options; | |
177 | ||
213d0b1f RS |
178 | Lisp_Object Qfile_name_handler_alist; |
179 | ||
68c45bf0 | 180 | /* Current and previous system locales for messages and time. */ |
ca9c0567 PE |
181 | Lisp_Object Vsystem_messages_locale; |
182 | Lisp_Object Vprevious_system_messages_locale; | |
183 | Lisp_Object Vsystem_time_locale; | |
184 | Lisp_Object Vprevious_system_time_locale; | |
68c45bf0 | 185 | |
8c5ff6dd KR |
186 | /* Copyright and version info. The version number may be updated by |
187 | Lisp code. */ | |
188 | Lisp_Object Vemacs_copyright, Vemacs_version; | |
189 | ||
7d0393cf | 190 | /* If non-zero, emacs should not attempt to use a window-specific code, |
7db35a48 | 191 | but instead should use the virtual terminal under which it was started. */ |
f927c5ae JB |
192 | int inhibit_window_system; |
193 | ||
5aa7f46a JB |
194 | /* If nonzero, set Emacs to run at this priority. This is also used |
195 | in child_setup and sys_suspend to make sure subshells run at normal | |
7db35a48 | 196 | priority; those functions have their own extern declaration. */ |
31ade731 | 197 | EMACS_INT emacs_priority; |
3005da00 | 198 | |
7db35a48 PJ |
199 | /* If non-zero, a filter or a sentinel is running. Tested to save the match |
200 | data on the first attempt to change it inside asynchronous code. */ | |
7074fde6 FP |
201 | int running_asynch_code; |
202 | ||
edfda783 | 203 | #if defined(HAVE_X_WINDOWS) || defined(HAVE_NS) |
7db35a48 | 204 | /* If non-zero, -d was specified, meaning we're using some window system. */ |
f927c5ae JB |
205 | int display_arg; |
206 | #endif | |
207 | ||
208 | /* An address near the bottom of the stack. | |
209 | Tells GC how to save a copy of the stack. */ | |
210 | char *stack_bottom; | |
211 | ||
dede2792 JD |
212 | /* The address where the heap starts (from the first sbrk (0) call). */ |
213 | static void *my_heap_start; | |
214 | ||
215 | /* The gap between BSS end and heap start as far as we can tell. */ | |
216 | static unsigned long heap_bss_diff; | |
217 | ||
fd75ddb2 JD |
218 | /* If the gap between BSS end and heap start is larger than this |
219 | output a warning in dump-emacs. */ | |
dede2792 JD |
220 | #define MAX_HEAP_BSS_DIFF (1024*1024) |
221 | ||
222 | ||
8ba50e1a | 223 | #ifdef HAVE_WINDOW_SYSTEM |
2246281f | 224 | extern Lisp_Object Vinitial_window_system; |
8ba50e1a | 225 | #endif /* HAVE_WINDOW_SYSTEM */ |
f927c5ae | 226 | |
1090a161 RS |
227 | extern Lisp_Object Vauto_save_list_file_name; |
228 | ||
9db03f6c KS |
229 | extern Lisp_Object Vinhibit_redisplay; |
230 | ||
f927c5ae JB |
231 | /* Nonzero means running Emacs without interactive terminal. */ |
232 | ||
233 | int noninteractive; | |
234 | ||
235 | /* Value of Lisp variable `noninteractive'. | |
236 | Normally same as C variable `noninteractive' | |
237 | but nothing terrible happens if user sets this one. */ | |
238 | ||
239 | int noninteractive1; | |
e29f86e4 | 240 | |
8686ac71 JB |
241 | /* Nonzero means Emacs was run in --quick mode. */ |
242 | int inhibit_x_resources; | |
243 | ||
4ff029f6 DN |
244 | /* Name for the server started by the daemon.*/ |
245 | static char *daemon_name; | |
eab2ee89 | 246 | |
5790ef40 DN |
247 | /* Pipe used to send exit notification to the daemon parent at |
248 | startup. */ | |
ff808935 | 249 | int daemon_pipe[2]; |
fc012771 | 250 | |
e29f86e4 RS |
251 | /* Save argv and argc. */ |
252 | char **initial_argv; | |
253 | int initial_argc; | |
081bef73 | 254 | |
dd4c5104 DN |
255 | static void sort_args (int argc, char **argv); |
256 | void syms_of_emacs (void); | |
bd4590ba | 257 | |
6b61353c KH |
258 | /* MSVC needs each string be shorter than 2048 bytes, so the usage |
259 | strings below are split to not overflow this limit. */ | |
73ebcd25 | 260 | #define USAGE1 "\ |
bd4590ba GM |
261 | Usage: %s [OPTION-OR-FILENAME]...\n\ |
262 | \n\ | |
263 | Run Emacs, the extensible, customizable, self-documenting real-time\n\ | |
264 | display editor. The recommended way to start Emacs for normal editing\n\ | |
265 | is with no options at all.\n\ | |
266 | \n\ | |
49ca717b | 267 | Run M-x info RET m emacs RET m emacs invocation RET inside Emacs to\n\ |
bd4590ba GM |
268 | read the main documentation for these command-line arguments.\n\ |
269 | \n\ | |
270 | Initialization options:\n\ | |
271 | \n\ | |
6b61353c | 272 | --batch do not do interactive display; implies -q\n\ |
f63d0028 | 273 | --chdir DIR change to directory DIR\n\ |
598898a7 | 274 | --daemon start a server in the background\n\ |
6b61353c KH |
275 | --debug-init enable Emacs Lisp debugger for init file\n\ |
276 | --display, -d DISPLAY use X server DISPLAY\n\ | |
6b61353c KH |
277 | --no-desktop do not load a saved desktop\n\ |
278 | --no-init-file, -q load neither ~/.emacs nor default.el\n\ | |
279 | --no-shared-memory, -nl do not use shared memory\n\ | |
280 | --no-site-file do not load site-start.el\n\ | |
281 | --no-splash do not display a splash screen on startup\n\ | |
2ff86b4e | 282 | --no-window-system, -nw do not communicate with X, ignoring $DISPLAY\n\ |
bae52079 | 283 | --quick, -Q equivalent to -q --no-site-file --no-splash\n\ |
6b61353c KH |
284 | --script FILE run FILE as an Emacs Lisp script\n\ |
285 | --terminal, -t DEVICE use DEVICE for terminal I/O\n\ | |
6b61353c KH |
286 | --user, -u USER load ~USER/.emacs instead of your own\n\ |
287 | \n%s" | |
288 | ||
289 | #define USAGE2 "\ | |
bd4590ba GM |
290 | Action options:\n\ |
291 | \n\ | |
6b61353c | 292 | FILE visit FILE using find-file\n\ |
9020b223 GM |
293 | +LINE go to line LINE in next FILE\n\ |
294 | +LINE:COLUMN go to line LINE, column COLUMN, in next FILE\n\ | |
6b61353c KH |
295 | --directory, -L DIR add DIR to variable load-path\n\ |
296 | --eval EXPR evaluate Emacs Lisp expression EXPR\n\ | |
297 | --execute EXPR evaluate Emacs Lisp expression EXPR\n\ | |
298 | --file FILE visit FILE using find-file\n\ | |
299 | --find-file FILE visit FILE using find-file\n\ | |
300 | --funcall, -f FUNC call Emacs Lisp function FUNC with no arguments\n\ | |
301 | --insert FILE insert contents of FILE into current buffer\n\ | |
302 | --kill exit without asking for confirmation\n\ | |
303 | --load, -l FILE load Emacs Lisp FILE using the load function\n\ | |
304 | --visit FILE visit FILE using find-file\n\ | |
73ebcd25 AI |
305 | \n" |
306 | ||
6b61353c | 307 | #define USAGE3 "\ |
5b2ca26b | 308 | Display options:\n\ |
bd4590ba | 309 | \n\ |
6b61353c | 310 | --background-color, -bg COLOR window background color\n\ |
2ff86b4e NR |
311 | --basic-display, -D disable many display features;\n\ |
312 | used for debugging Emacs\n\ | |
6b61353c KH |
313 | --border-color, -bd COLOR main border color\n\ |
314 | --border-width, -bw WIDTH width of main border\n\ | |
ced74849 | 315 | --color, --color=MODE override color mode for character terminals;\n\ |
6b61353c KH |
316 | MODE defaults to `auto', and can also\n\ |
317 | be `never', `auto', `always',\n\ | |
318 | or a mode name like `ansi8'\n\ | |
319 | --cursor-color, -cr COLOR color of the Emacs cursor indicating point\n\ | |
320 | --font, -fn FONT default font; must be fixed-width\n\ | |
321 | --foreground-color, -fg COLOR window foreground color\n\ | |
322 | --fullheight, -fh make the first frame high as the screen\n\ | |
323 | --fullscreen, -fs make first frame fullscreen\n\ | |
324 | --fullwidth, -fw make the first frame wide as the screen\n\ | |
3f1c6666 | 325 | --maximized, -mm make the first frame maximized\n\ |
6b61353c | 326 | --geometry, -g GEOMETRY window geometry\n\ |
f9e36a6d | 327 | --no-bitmap-icon, -nbi do not use picture of gnu for Emacs icon\n\ |
6b61353c KH |
328 | --iconic start Emacs in iconified state\n\ |
329 | --internal-border, -ib WIDTH width between text and main border\n\ | |
330 | --line-spacing, -lsp PIXELS additional space to put between lines\n\ | |
331 | --mouse-color, -ms COLOR mouse cursor color in Emacs window\n\ | |
332 | --name NAME title for initial Emacs frame\n\ | |
49ca717b | 333 | --no-blinking-cursor, -nbc disable blinking cursor\n\ |
6b61353c KH |
334 | --reverse-video, -r, -rv switch foreground and background\n\ |
335 | --title, -T TITLE title for initial Emacs frame\n\ | |
336 | --vertical-scroll-bars, -vb enable vertical scroll bars\n\ | |
337 | --xrm XRESOURCES set additional X resources\n\ | |
1540a61a | 338 | --parent-id XID set parent window\n\ |
6b61353c KH |
339 | --help display this help and exit\n\ |
340 | --version output version information and exit\n\ | |
07beadff JR |
341 | \n" |
342 | ||
343 | #define USAGE4 "\ | |
bd4590ba GM |
344 | You can generally also specify long option names with a single -; for\n\ |
345 | example, -batch as well as --batch. You can use any unambiguous\n\ | |
346 | abbreviation for a --option.\n\ | |
347 | \n\ | |
348 | Various environment variables and window system resources also affect\n\ | |
349 | Emacs' operation. See the main documentation.\n\ | |
07beadff | 350 | \n\ |
17284745 | 351 | Report bugs to bug-gnu-emacs@gnu.org. First, please see the Bugs\n\ |
bd4590ba GM |
352 | section of the Emacs manual or the file BUGS.\n" |
353 | ||
f927c5ae | 354 | \f |
7db35a48 | 355 | /* Signal code for the fatal signal that was received. */ |
f927c5ae JB |
356 | int fatal_error_code; |
357 | ||
7db35a48 | 358 | /* Nonzero if handling a fatal error already. */ |
f927c5ae JB |
359 | int fatal_error_in_progress; |
360 | ||
7db35a48 | 361 | /* If non-null, call this function from fatal_error_signal before |
4fab758d GM |
362 | committing suicide. */ |
363 | ||
f57e2426 | 364 | void (*fatal_error_signal_hook) (void); |
4fab758d | 365 | |
3e9de9f6 | 366 | #ifdef FORWARD_SIGNAL_TO_MAIN_THREAD |
9e2a2647 DN |
367 | /* When compiled with GTK and running under Gnome, |
368 | multiple threads may be created. Keep track of our main | |
3e9de9f6 | 369 | thread to make sure signals are delivered to it (see syssignal.h). */ |
333f1b6f JD |
370 | |
371 | pthread_t main_thread; | |
372 | #endif | |
373 | ||
4fab758d | 374 | |
7db35a48 | 375 | /* Handle bus errors, invalid instruction, etc. */ |
2447c626 | 376 | SIGTYPE |
dd4c5104 | 377 | fatal_error_signal (int sig) |
f927c5ae | 378 | { |
333f1b6f | 379 | SIGNAL_THREAD_CHECK (sig); |
f927c5ae JB |
380 | fatal_error_code = sig; |
381 | signal (sig, SIG_DFL); | |
382 | ||
061b7f94 RS |
383 | TOTALLY_UNBLOCK_INPUT; |
384 | ||
f927c5ae | 385 | /* If fatal error occurs in code below, avoid infinite recursion. */ |
8090eb09 JB |
386 | if (! fatal_error_in_progress) |
387 | { | |
388 | fatal_error_in_progress = 1; | |
f927c5ae | 389 | |
f63d0028 JD |
390 | if (sig == SIGTERM || sig == SIGHUP) |
391 | Fkill_emacs (make_number (sig)); | |
392 | ||
f7ab4e3d | 393 | shut_down_emacs (sig, 0, Qnil); |
8090eb09 | 394 | } |
f927c5ae | 395 | |
8090eb09 JB |
396 | /* Signal the same code; this time it will really be fatal. |
397 | Remember that since we're in a signal handler, the signal we're | |
398 | going to send is probably blocked, so we have to unblock it if we | |
399 | want to really receive it. */ | |
29b89fe0 | 400 | #ifndef MSDOS |
a90538cb | 401 | sigunblock (sigmask (fatal_error_code)); |
29b89fe0 | 402 | #endif |
4fab758d GM |
403 | |
404 | if (fatal_error_signal_hook) | |
405 | fatal_error_signal_hook (); | |
7db35a48 | 406 | |
f927c5ae | 407 | kill (getpid (), fatal_error_code); |
f927c5ae | 408 | } |
271c7b7c RS |
409 | |
410 | #ifdef SIGDANGER | |
411 | ||
16c323ee | 412 | /* Handler for SIGDANGER. */ |
271c7b7c RS |
413 | SIGTYPE |
414 | memory_warning_signal (sig) | |
415 | int sig; | |
416 | { | |
417 | signal (sig, memory_warning_signal); | |
333f1b6f | 418 | SIGNAL_THREAD_CHECK (sig); |
271c7b7c RS |
419 | |
420 | malloc_warning ("Operating system warns that virtual memory is running low.\n"); | |
55796183 RS |
421 | |
422 | /* It might be unsafe to call do_auto_save now. */ | |
423 | force_auto_save_soon (); | |
271c7b7c RS |
424 | } |
425 | #endif | |
fcf01ad3 RS |
426 | |
427 | /* We define abort, rather than using it from the library, | |
c9fe9cce | 428 | so that GDB can return from a breakpoint here. |
7db35a48 | 429 | MSDOS has its own definition in msdos.c. */ |
fcf01ad3 | 430 | |
37e2fdd2 | 431 | #if ! defined (DOS_NT) && ! defined (NO_ABORT) |
ca9c0567 | 432 | |
4624371d | 433 | void |
fcf01ad3 RS |
434 | abort () |
435 | { | |
436 | kill (getpid (), SIGABRT); | |
37e2fdd2 RS |
437 | /* This shouldn't be executed, but it prevents a warning. */ |
438 | exit (1); | |
fcf01ad3 | 439 | } |
c9fe9cce | 440 | #endif |
fcf01ad3 | 441 | |
f927c5ae | 442 | \f |
7db35a48 | 443 | /* Code for dealing with Lisp access to the Unix command line. */ |
f927c5ae | 444 | |
dfcf069d | 445 | static void |
dd4c5104 | 446 | init_cmdargs (int argc, char **argv, int skip_args) |
f927c5ae JB |
447 | { |
448 | register int i; | |
213d0b1f | 449 | Lisp_Object name, dir, tem; |
aed13378 | 450 | int count = SPECPDL_INDEX (); |
213d0b1f | 451 | Lisp_Object raw_name; |
f927c5ae | 452 | |
e29f86e4 RS |
453 | initial_argv = argv; |
454 | initial_argc = argc; | |
455 | ||
213d0b1f RS |
456 | raw_name = build_string (argv[0]); |
457 | ||
458 | /* Add /: to the front of the name | |
459 | if it would otherwise be treated as magic. */ | |
460 | tem = Ffind_file_name_handler (raw_name, Qt); | |
461 | if (! NILP (tem)) | |
462 | raw_name = concat2 (build_string ("/:"), raw_name); | |
463 | ||
464 | Vinvocation_name = Ffile_name_nondirectory (raw_name); | |
465 | Vinvocation_directory = Ffile_name_directory (raw_name); | |
466 | ||
ace40a69 RS |
467 | /* If we got no directory in argv[0], search PATH to find where |
468 | Emacs actually came from. */ | |
469 | if (NILP (Vinvocation_directory)) | |
470 | { | |
471 | Lisp_Object found; | |
472 | int yes = openp (Vexec_path, Vinvocation_name, | |
10c0915e | 473 | Vexec_suffixes, &found, make_number (X_OK)); |
e443f843 | 474 | if (yes == 1) |
213d0b1f RS |
475 | { |
476 | /* Add /: to the front of the name | |
477 | if it would otherwise be treated as magic. */ | |
478 | tem = Ffind_file_name_handler (found, Qt); | |
479 | if (! NILP (tem)) | |
480 | found = concat2 (build_string ("/:"), found); | |
481 | Vinvocation_directory = Ffile_name_directory (found); | |
482 | } | |
ace40a69 | 483 | } |
59653951 | 484 | |
4133b300 RS |
485 | if (!NILP (Vinvocation_directory) |
486 | && NILP (Ffile_name_absolute_p (Vinvocation_directory))) | |
213d0b1f RS |
487 | /* Emacs was started with relative path, like ./emacs. |
488 | Make it absolute. */ | |
4133b300 RS |
489 | Vinvocation_directory = Fexpand_file_name (Vinvocation_directory, Qnil); |
490 | ||
07f4d123 RS |
491 | Vinstallation_directory = Qnil; |
492 | ||
493 | if (!NILP (Vinvocation_directory)) | |
494 | { | |
495 | dir = Vinvocation_directory; | |
496 | name = Fexpand_file_name (Vinvocation_name, dir); | |
497 | while (1) | |
498 | { | |
f5ab9736 | 499 | Lisp_Object tem, lib_src_exists; |
07f4d123 RS |
500 | Lisp_Object etc_exists, info_exists; |
501 | ||
f5ab9736 RS |
502 | /* See if dir contains subdirs for use by Emacs. |
503 | Check for the ones that would exist in a build directory, | |
504 | not including lisp and info. */ | |
505 | tem = Fexpand_file_name (build_string ("lib-src"), dir); | |
506 | lib_src_exists = Ffile_exists_p (tem); | |
de004cc6 | 507 | |
70344b34 | 508 | #ifdef MSDOS |
de004cc6 RS |
509 | /* MSDOS installations frequently remove lib-src, but we still |
510 | must set installation-directory, or else info won't find | |
511 | its files (it uses the value of installation-directory). */ | |
512 | tem = Fexpand_file_name (build_string ("info"), dir); | |
513 | info_exists = Ffile_exists_p (tem); | |
70344b34 EZ |
514 | #else |
515 | info_exists = Qnil; | |
516 | #endif | |
de004cc6 RS |
517 | |
518 | if (!NILP (lib_src_exists) || !NILP (info_exists)) | |
07f4d123 | 519 | { |
f5ab9736 RS |
520 | tem = Fexpand_file_name (build_string ("etc"), dir); |
521 | etc_exists = Ffile_exists_p (tem); | |
522 | if (!NILP (etc_exists)) | |
07f4d123 | 523 | { |
f5ab9736 RS |
524 | Vinstallation_directory |
525 | = Ffile_name_as_directory (dir); | |
526 | break; | |
07f4d123 RS |
527 | } |
528 | } | |
529 | ||
530 | /* See if dir's parent contains those subdirs. */ | |
f5ab9736 RS |
531 | tem = Fexpand_file_name (build_string ("../lib-src"), dir); |
532 | lib_src_exists = Ffile_exists_p (tem); | |
de004cc6 | 533 | |
70344b34 EZ |
534 | |
535 | #ifdef MSDOS | |
536 | /* See the MSDOS commentary above. */ | |
de004cc6 RS |
537 | tem = Fexpand_file_name (build_string ("../info"), dir); |
538 | info_exists = Ffile_exists_p (tem); | |
70344b34 EZ |
539 | #else |
540 | info_exists = Qnil; | |
541 | #endif | |
de004cc6 RS |
542 | |
543 | if (!NILP (lib_src_exists) || !NILP (info_exists)) | |
07f4d123 | 544 | { |
f5ab9736 RS |
545 | tem = Fexpand_file_name (build_string ("../etc"), dir); |
546 | etc_exists = Ffile_exists_p (tem); | |
547 | if (!NILP (etc_exists)) | |
07f4d123 | 548 | { |
f5ab9736 RS |
549 | tem = Fexpand_file_name (build_string (".."), dir); |
550 | Vinstallation_directory | |
551 | = Ffile_name_as_directory (tem); | |
552 | break; | |
07f4d123 RS |
553 | } |
554 | } | |
555 | ||
556 | /* If the Emacs executable is actually a link, | |
557 | next try the dir that the link points into. */ | |
558 | tem = Ffile_symlink_p (name); | |
559 | if (!NILP (tem)) | |
560 | { | |
260ec24d | 561 | name = Fexpand_file_name (tem, dir); |
07f4d123 RS |
562 | dir = Ffile_name_directory (name); |
563 | } | |
564 | else | |
565 | break; | |
566 | } | |
567 | } | |
568 | ||
f927c5ae JB |
569 | Vcommand_line_args = Qnil; |
570 | ||
571 | for (i = argc - 1; i >= 0; i--) | |
572 | { | |
573 | if (i == 0 || i > skip_args) | |
a520393d KH |
574 | /* For the moment, we keep arguments as is in unibyte strings. |
575 | They are decoded in the function command-line after we know | |
576 | locale-coding-system. */ | |
f927c5ae | 577 | Vcommand_line_args |
68db37aa | 578 | = Fcons (make_unibyte_string (argv[i], strlen (argv[i])), |
a520393d | 579 | Vcommand_line_args); |
f927c5ae | 580 | } |
213d0b1f RS |
581 | |
582 | unbind_to (count, Qnil); | |
f927c5ae | 583 | } |
59653951 JB |
584 | |
585 | DEFUN ("invocation-name", Finvocation_name, Sinvocation_name, 0, 0, 0, | |
7db35a48 PJ |
586 | doc: /* Return the program name that was used to run Emacs. |
587 | Any directory names are omitted. */) | |
588 | () | |
59653951 JB |
589 | { |
590 | return Fcopy_sequence (Vinvocation_name); | |
591 | } | |
592 | ||
ace40a69 | 593 | DEFUN ("invocation-directory", Finvocation_directory, Sinvocation_directory, |
7db35a48 PJ |
594 | 0, 0, 0, |
595 | doc: /* Return the directory name in which the Emacs executable was located. */) | |
596 | () | |
ace40a69 RS |
597 | { |
598 | return Fcopy_sequence (Vinvocation_directory); | |
599 | } | |
600 | ||
f927c5ae | 601 | \f |
0269dedb RS |
602 | #ifdef HAVE_TZSET |
603 | /* A valid but unlikely value for the TZ environment value. | |
604 | It is OK (though a bit slower) if the user actually chooses this value. */ | |
605 | static char dump_tz[] = "UtC0"; | |
606 | #endif | |
607 | ||
a90538cb | 608 | #ifndef ORDINARY_LINK |
efd241cc RS |
609 | /* We don't include crtbegin.o and crtend.o in the link, |
610 | so these functions and variables might be missed. | |
611 | Provide dummy definitions to avoid error. | |
612 | (We don't have any real constructors or destructors.) */ | |
613 | #ifdef __GNUC__ | |
46e65b73 | 614 | #ifndef GCC_CTORS_IN_LIBC |
dfcf069d | 615 | void __do_global_ctors () |
efd241cc | 616 | {} |
dfcf069d | 617 | void __do_global_ctors_aux () |
c83a7064 | 618 | {} |
dfcf069d | 619 | void __do_global_dtors () |
33143604 | 620 | {} |
554061d8 | 621 | /* GNU/Linux has a bug in its library; avoid an error. */ |
8a2a6032 | 622 | #ifndef GNU_LINUX |
c83a7064 | 623 | char * __CTOR_LIST__[2] = { (char *) (-1), 0 }; |
64c1864a | 624 | #endif |
c83a7064 | 625 | char * __DTOR_LIST__[2] = { (char *) (-1), 0 }; |
46e65b73 | 626 | #endif /* GCC_CTORS_IN_LIBC */ |
dfcf069d | 627 | void __main () |
efd241cc | 628 | {} |
efd241cc | 629 | #endif /* __GNUC__ */ |
a90538cb | 630 | #endif /* ORDINARY_LINK */ |
efd241cc | 631 | |
e2925360 KH |
632 | /* Test whether the next argument in ARGV matches SSTR or a prefix of |
633 | LSTR (at least MINLEN characters). If so, then if VALPTR is non-null | |
634 | (the argument is supposed to have a value) store in *VALPTR either | |
635 | the next argument or the portion of this one after the equal sign. | |
636 | ARGV is read starting at position *SKIPPTR; this index is advanced | |
637 | by the number of arguments used. | |
638 | ||
639 | Too bad we can't just use getopt for all of this, but we don't have | |
640 | enough information to do it right. */ | |
081bef73 | 641 | |
e2925360 | 642 | static int |
dd4c5104 | 643 | argmatch (char **argv, int argc, char *sstr, char *lstr, int minlen, char **valptr, int *skipptr) |
e2925360 | 644 | { |
6bbd7a29 | 645 | char *p = NULL; |
e2925360 | 646 | int arglen; |
df6530f8 RS |
647 | char *arg; |
648 | ||
649 | /* Don't access argv[argc]; give up in advance. */ | |
650 | if (argc <= *skipptr + 1) | |
651 | return 0; | |
652 | ||
653 | arg = argv[*skipptr+1]; | |
e2925360 KH |
654 | if (arg == NULL) |
655 | return 0; | |
656 | if (strcmp (arg, sstr) == 0) | |
657 | { | |
658 | if (valptr != NULL) | |
659 | { | |
660 | *valptr = argv[*skipptr+2]; | |
661 | *skipptr += 2; | |
662 | } | |
663 | else | |
664 | *skipptr += 1; | |
665 | return 1; | |
666 | } | |
667 | arglen = (valptr != NULL && (p = index (arg, '=')) != NULL | |
668 | ? p - arg : strlen (arg)); | |
c03e1113 | 669 | if (lstr == 0 || arglen < minlen || strncmp (arg, lstr, arglen) != 0) |
e2925360 KH |
670 | return 0; |
671 | else if (valptr == NULL) | |
672 | { | |
673 | *skipptr += 1; | |
674 | return 1; | |
675 | } | |
676 | else if (p != NULL) | |
677 | { | |
678 | *valptr = p+1; | |
679 | *skipptr += 1; | |
680 | return 1; | |
681 | } | |
682 | else if (argv[*skipptr+2] != NULL) | |
683 | { | |
684 | *valptr = argv[*skipptr+2]; | |
685 | *skipptr += 2; | |
686 | return 1; | |
687 | } | |
688 | else | |
689 | { | |
690 | return 0; | |
691 | } | |
692 | } | |
693 | ||
b6779252 | 694 | #ifdef DOUG_LEA_MALLOC |
f927c5ae | 695 | |
b6779252 KH |
696 | /* malloc can be invoked even before main (e.g. by the dynamic |
697 | linker), so the dumped malloc state must be restored as early as | |
698 | possible using this special hook. */ | |
699 | ||
700 | static void | |
dd4c5104 | 701 | malloc_initialize_hook (void) |
b6779252 | 702 | { |
1f9c3929 | 703 | #ifndef USE_CRT_DLL |
b6779252 | 704 | extern char **environ; |
1f9c3929 | 705 | #endif |
6000fe37 | 706 | |
15aaf1b5 RS |
707 | if (initialized) |
708 | { | |
7c9cd446 AS |
709 | if (!malloc_using_checking) |
710 | /* Work around a bug in glibc's malloc. MALLOC_CHECK_ must be | |
711 | ignored if the heap to be restored was constructed without | |
d942e12a AS |
712 | malloc checking. Can't use unsetenv, since that calls malloc. */ |
713 | { | |
714 | char **p; | |
715 | ||
a57c4026 | 716 | for (p = environ; p && *p; p++) |
d942e12a AS |
717 | if (strncmp (*p, "MALLOC_CHECK_=", 14) == 0) |
718 | { | |
719 | do | |
720 | *p = p[1]; | |
721 | while (*++p); | |
722 | break; | |
723 | } | |
724 | } | |
b6779252 | 725 | |
15aaf1b5 | 726 | malloc_set_state (malloc_state_ptr); |
68db37aa | 727 | #ifndef XMALLOC_OVERRUN_CHECK |
15aaf1b5 | 728 | free (malloc_state_ptr); |
68db37aa | 729 | #endif |
15aaf1b5 | 730 | } |
7c9cd446 | 731 | else |
dede2792 JD |
732 | { |
733 | if (my_heap_start == 0) | |
734 | my_heap_start = sbrk (0); | |
735 | malloc_using_checking = getenv ("MALLOC_CHECK_") != NULL; | |
736 | } | |
b6779252 KH |
737 | } |
738 | ||
dd4c5104 | 739 | void (*__malloc_initialize_hook) (void) = malloc_initialize_hook; |
b6779252 KH |
740 | |
741 | #endif /* DOUG_LEA_MALLOC */ | |
742 | ||
d883731c | 743 | |
b6779252 KH |
744 | /* ARGSUSED */ |
745 | int | |
7c2fb837 | 746 | main (int argc, char **argv) |
b6779252 | 747 | { |
2313132f | 748 | #if GC_MARK_STACK |
39ec21ea GM |
749 | Lisp_Object dummy; |
750 | #endif | |
b6779252 | 751 | char stack_bottom_variable; |
68c45bf0 | 752 | int do_initial_setlocale; |
b6779252 | 753 | int skip_args = 0; |
b6779252 KH |
754 | #ifdef HAVE_SETRLIMIT |
755 | struct rlimit rlim; | |
756 | #endif | |
757 | int no_loadup = 0; | |
6e910e07 | 758 | char *junk = 0; |
4ff029f6 | 759 | char *dname_arg = 0; |
b3243e6f AR |
760 | #ifdef NS_IMPL_COCOA |
761 | char dname_arg2[80]; | |
762 | #endif | |
f63d0028 | 763 | char *ch_to_dir; |
b6779252 | 764 | |
2313132f | 765 | #if GC_MARK_STACK |
39ec21ea GM |
766 | extern Lisp_Object *stack_base; |
767 | stack_base = &dummy; | |
768 | #endif | |
769 | ||
a4ef73c8 CY |
770 | #if defined (USE_GTK) && defined (G_SLICE_ALWAYS_MALLOC) |
771 | /* This is used by the Cygwin build. */ | |
772 | setenv ("G_SLICE", "always-malloc", 1); | |
773 | #endif | |
774 | ||
dede2792 JD |
775 | if (!initialized) |
776 | { | |
777 | extern char my_endbss[]; | |
778 | extern char *my_endbss_static; | |
779 | ||
780 | if (my_heap_start == 0) | |
781 | my_heap_start = sbrk (0); | |
782 | ||
783 | heap_bss_diff = (char *)my_heap_start - max (my_endbss, my_endbss_static); | |
784 | } | |
785 | ||
d785cf9e RS |
786 | #ifdef RUN_TIME_REMAP |
787 | if (initialized) | |
788 | run_time_remap (argv[0]); | |
789 | #endif | |
790 | ||
14145fa3 AR |
791 | /* If using unexmacosx.c (set by s/darwin.h), we must do this. */ |
792 | #ifdef DARWIN_OS | |
e0f712ba AC |
793 | if (!initialized) |
794 | unexec_init_emacs_zone (); | |
795 | #endif | |
796 | ||
081bef73 | 797 | sort_args (argc, argv); |
956e3c7e RS |
798 | argc = 0; |
799 | while (argv[argc]) argc++; | |
081bef73 | 800 | |
8c5ff6dd | 801 | if (argmatch (argv, argc, "-version", "--version", 3, NULL, &skip_args)) |
1702afef | 802 | { |
8c5ff6dd KR |
803 | const char *version, *copyright; |
804 | if (initialized) | |
5cf9ca93 | 805 | { |
8c5ff6dd KR |
806 | Lisp_Object tem, tem2; |
807 | tem = Fsymbol_value (intern_c_string ("emacs-version")); | |
808 | tem2 = Fsymbol_value (intern_c_string ("emacs-copyright")); | |
809 | if (!STRINGP (tem)) | |
810 | { | |
811 | fprintf (stderr, "Invalid value of `emacs-version'\n"); | |
812 | exit (1); | |
813 | } | |
814 | if (!STRINGP (tem2)) | |
815 | { | |
816 | fprintf (stderr, "Invalid value of `emacs-copyright'\n"); | |
817 | exit (1); | |
818 | } | |
819 | else | |
820 | { | |
821 | version = SDATA (tem); | |
822 | copyright = SDATA (tem2); | |
823 | } | |
5cf9ca93 | 824 | } |
1702afef RS |
825 | else |
826 | { | |
8c5ff6dd KR |
827 | version = emacs_version; |
828 | copyright = emacs_copyright; | |
1702afef | 829 | } |
8c5ff6dd KR |
830 | printf ("GNU Emacs %s\n", version); |
831 | printf ("%s\n", copyright); | |
832 | printf ("GNU Emacs comes with ABSOLUTELY NO WARRANTY.\n"); | |
833 | printf ("You may redistribute copies of Emacs\n"); | |
834 | printf ("under the terms of the GNU General Public License.\n"); | |
835 | printf ("For more information about these matters, "); | |
836 | printf ("see the file named COPYING.\n"); | |
837 | exit (0); | |
1702afef | 838 | } |
f63d0028 JD |
839 | if (argmatch (argv, argc, "-chdir", "--chdir", 2, &ch_to_dir, &skip_args)) |
840 | if (chdir (ch_to_dir) == -1) | |
841 | { | |
842 | fprintf (stderr, "%s: Can't chdir to %s: %s\n", | |
843 | argv[0], ch_to_dir, strerror (errno)); | |
844 | exit (1); | |
845 | } | |
846 | ||
1702afef | 847 | |
dede2792 | 848 | #ifdef HAVE_PERSONALITY_LINUX32 |
dede2792 JD |
849 | if (!initialized |
850 | && (strcmp (argv[argc-1], "dump") == 0 | |
851 | || strcmp (argv[argc-1], "bootstrap") == 0) | |
fd75ddb2 | 852 | && ! getenv ("EMACS_HEAP_EXEC")) |
dede2792 | 853 | { |
fd75ddb2 JD |
854 | /* Set this so we only do this once. */ |
855 | putenv("EMACS_HEAP_EXEC=true"); | |
711877f3 | 856 | |
fd75ddb2 JD |
857 | /* A flag to turn off address randomization which is introduced |
858 | in linux kernel shipped with fedora core 4 */ | |
711877f3 | 859 | #define ADD_NO_RANDOMIZE 0x0040000 |
fd75ddb2 | 860 | personality (PER_LINUX32 | ADD_NO_RANDOMIZE); |
711877f3 MY |
861 | #undef ADD_NO_RANDOMIZE |
862 | ||
fd75ddb2 | 863 | execvp (argv[0], argv); |
dede2792 | 864 | |
fd75ddb2 JD |
865 | /* If the exec fails, try to dump anyway. */ |
866 | perror ("execvp"); | |
dede2792 JD |
867 | } |
868 | #endif /* HAVE_PERSONALITY_LINUX32 */ | |
869 | ||
870 | ||
f927c5ae JB |
871 | /* Map in shared memory, if we are using that. */ |
872 | #ifdef HAVE_SHM | |
df6530f8 | 873 | if (argmatch (argv, argc, "-nl", "--no-shared-memory", 6, NULL, &skip_args)) |
f927c5ae JB |
874 | { |
875 | map_in_data (0); | |
876 | /* The shared memory was just restored, which clobbered this. */ | |
877 | skip_args = 1; | |
878 | } | |
879 | else | |
880 | { | |
881 | map_in_data (1); | |
882 | /* The shared memory was just restored, which clobbered this. */ | |
883 | skip_args = 0; | |
884 | } | |
885 | #endif | |
886 | ||
ea2acec5 | 887 | #if defined (HAVE_SETRLIMIT) && defined (RLIMIT_STACK) |
6c2935e9 RS |
888 | /* Extend the stack space available. |
889 | Don't do that if dumping, since some systems (e.g. DJGPP) | |
890 | might define a smaller stack limit at that time. */ | |
891 | if (1 | |
892 | #ifndef CANNOT_DUMP | |
893 | && (!noninteractive || initialized) | |
894 | #endif | |
895 | && !getrlimit (RLIMIT_STACK, &rlim)) | |
53c58b5d | 896 | { |
509a8fcd | 897 | long newlim; |
fa8459a3 | 898 | extern size_t re_max_failures; |
03effc23 KH |
899 | /* Approximate the amount regex.c needs per unit of re_max_failures. */ |
900 | int ratio = 20 * sizeof (char *); | |
901 | /* Then add 33% to cover the size of the smaller stacks that regex.c | |
902 | successively allocates and discards, on its way to the maximum. */ | |
903 | ratio += ratio / 3; | |
904 | /* Add in some extra to cover | |
905 | what we're likely to use for other reasons. */ | |
906 | newlim = re_max_failures * ratio + 200000; | |
d0381a7f RS |
907 | #ifdef __NetBSD__ |
908 | /* NetBSD (at least NetBSD 1.2G and former) has a bug in its | |
909 | stack allocation routine for new process that the allocation | |
910 | fails if stack limit is not on page boundary. So, round up the | |
911 | new limit to page boundary. */ | |
912 | newlim = (newlim + getpagesize () - 1) / getpagesize () * getpagesize(); | |
913 | #endif | |
509a8fcd | 914 | if (newlim > rlim.rlim_max) |
6c2935e9 RS |
915 | { |
916 | newlim = rlim.rlim_max; | |
03effc23 KH |
917 | /* Don't let regex.c overflow the stack we have. */ |
918 | re_max_failures = (newlim - 200000) / ratio; | |
6c2935e9 | 919 | } |
509a8fcd RS |
920 | if (rlim.rlim_cur < newlim) |
921 | rlim.rlim_cur = newlim; | |
922 | ||
53c58b5d RS |
923 | setrlimit (RLIMIT_STACK, &rlim); |
924 | } | |
ea2acec5 | 925 | #endif /* HAVE_SETRLIMIT and RLIMIT_STACK */ |
53c58b5d | 926 | |
f927c5ae JB |
927 | /* Record (approximately) where the stack begins. */ |
928 | stack_bottom = &stack_bottom_variable; | |
929 | ||
f927c5ae | 930 | clearerr (stdin); |
9ae8f997 | 931 | |
f927c5ae | 932 | #ifndef SYSTEM_MALLOC |
bf7f4e90 RS |
933 | /* Arrange to get warning messages as memory fills up. */ |
934 | memory_warnings (0, malloc_warning); | |
9ac0d9e0 | 935 | |
f5a3c8c4 AI |
936 | /* Call malloc at least once, to run the initial __malloc_hook. |
937 | Also call realloc and free for consistency. */ | |
938 | free (realloc (malloc (4), 4)); | |
bf7f4e90 | 939 | |
06ca62eb | 940 | # ifndef SYNC_INPUT |
bf7f4e90 RS |
941 | /* Arrange to disable interrupt input inside malloc etc. */ |
942 | uninterrupt_malloc (); | |
06ca62eb | 943 | # endif /* not SYNC_INPUT */ |
f927c5ae JB |
944 | #endif /* not SYSTEM_MALLOC */ |
945 | ||
3e9de9f6 | 946 | #ifdef FORWARD_SIGNAL_TO_MAIN_THREAD |
333f1b6f | 947 | main_thread = pthread_self (); |
3e9de9f6 | 948 | #endif /* FORWARD_SIGNAL_TO_MAIN_THREAD */ |
333f1b6f | 949 | |
edd3ff1d | 950 | #if defined (MSDOS) || defined (WINDOWSNT) |
29b89fe0 RS |
951 | /* We do all file input/output as binary files. When we need to translate |
952 | newlines, we do that manually. */ | |
953 | _fmode = O_BINARY; | |
edd3ff1d | 954 | #endif /* MSDOS || WINDOWSNT */ |
18198bb2 | 955 | |
edd3ff1d | 956 | #ifdef MSDOS |
18198bb2 RS |
957 | if (!isatty (fileno (stdin))) |
958 | setmode (fileno (stdin), O_BINARY); | |
959 | if (!isatty (fileno (stdout))) | |
960 | { | |
961 | fflush (stdout); | |
962 | setmode (fileno (stdout), O_BINARY); | |
963 | } | |
29b89fe0 RS |
964 | #endif /* MSDOS */ |
965 | ||
a422068f | 966 | #ifdef SET_EMACS_PRIORITY |
3005da00 | 967 | if (emacs_priority) |
5aa7f46a | 968 | nice (emacs_priority); |
f927c5ae | 969 | setuid (getuid ()); |
a422068f | 970 | #endif /* SET_EMACS_PRIORITY */ |
f927c5ae | 971 | |
68c45bf0 PE |
972 | /* Skip initial setlocale if LC_ALL is "C", as it's not needed in that case. |
973 | The build procedure uses this while dumping, to ensure that the | |
974 | dumped Emacs does not have its system locale tables initialized, | |
975 | as that might cause screwups when the dumped Emacs starts up. */ | |
976 | { | |
977 | char *lc_all = getenv ("LC_ALL"); | |
978 | do_initial_setlocale = ! lc_all || strcmp (lc_all, "C"); | |
979 | } | |
980 | ||
981 | /* Set locale now, so that initial error messages are localized properly. | |
982 | fixup_locale must wait until later, since it builds strings. */ | |
983 | if (do_initial_setlocale) | |
984 | setlocale (LC_ALL, ""); | |
985 | ||
f927c5ae JB |
986 | inhibit_window_system = 0; |
987 | ||
7db35a48 | 988 | /* Handle the -t switch, which specifies filename to use as terminal. */ |
956e3c7e RS |
989 | while (1) |
990 | { | |
991 | char *term; | |
992 | if (argmatch (argv, argc, "-t", "--terminal", 4, &term, &skip_args)) | |
993 | { | |
994 | int result; | |
68c45bf0 PE |
995 | emacs_close (0); |
996 | emacs_close (1); | |
997 | result = emacs_open (term, O_RDWR, 0); | |
956e3c7e RS |
998 | if (result < 0) |
999 | { | |
1000 | char *errstring = strerror (errno); | |
186486eb | 1001 | fprintf (stderr, "%s: %s: %s\n", argv[0], term, errstring); |
956e3c7e RS |
1002 | exit (1); |
1003 | } | |
1004 | dup (0); | |
1005 | if (! isatty (0)) | |
1006 | { | |
186486eb | 1007 | fprintf (stderr, "%s: %s: not a tty\n", argv[0], term); |
956e3c7e RS |
1008 | exit (1); |
1009 | } | |
1010 | fprintf (stderr, "Using %s\n", term); | |
8ba50e1a | 1011 | #ifdef HAVE_WINDOW_SYSTEM |
956e3c7e | 1012 | inhibit_window_system = 1; /* -t => -nw */ |
f927c5ae | 1013 | #endif |
956e3c7e RS |
1014 | } |
1015 | else | |
1016 | break; | |
1017 | } | |
1018 | ||
400d6fa9 PJ |
1019 | /* Command line option --no-windows is deprecated and thus not mentioned |
1020 | in the manual and usage informations. */ | |
1021 | if (argmatch (argv, argc, "-nw", "--no-window-system", 6, NULL, &skip_args) | |
1022 | || argmatch (argv, argc, "-nw", "--no-windows", 6, NULL, &skip_args)) | |
e2925360 | 1023 | inhibit_window_system = 1; |
f927c5ae | 1024 | |
e2925360 | 1025 | /* Handle the -batch switch, which means don't do interactive display. */ |
f927c5ae | 1026 | noninteractive = 0; |
df6530f8 | 1027 | if (argmatch (argv, argc, "-batch", "--batch", 5, NULL, &skip_args)) |
55f4edbc RS |
1028 | { |
1029 | noninteractive = 1; | |
1030 | Vundo_outer_limit = Qnil; | |
1031 | } | |
6e910e07 RS |
1032 | if (argmatch (argv, argc, "-script", "--script", 3, &junk, &skip_args)) |
1033 | { | |
1034 | noninteractive = 1; /* Set batch mode. */ | |
21a4ff8e | 1035 | /* Convert --script to -scriptload, un-skip it, and sort again |
e09b9180 | 1036 | so that it will be handled in proper sequence. */ |
a09a5b5b | 1037 | /* FIXME broken for --script=FILE - is that supposed to work? */ |
21a4ff8e | 1038 | argv[skip_args - 1] = "-scriptload"; |
6e910e07 RS |
1039 | skip_args -= 2; |
1040 | sort_args (argc, argv); | |
1041 | } | |
e2925360 | 1042 | |
7db35a48 | 1043 | /* Handle the --help option, which gives a usage message. */ |
df6530f8 | 1044 | if (argmatch (argv, argc, "-help", "--help", 3, NULL, &skip_args)) |
f927c5ae | 1045 | { |
6b61353c KH |
1046 | printf (USAGE1, argv[0], USAGE2); |
1047 | printf (USAGE3); | |
17284745 | 1048 | printf (USAGE4); |
e2925360 | 1049 | exit (0); |
f927c5ae JB |
1050 | } |
1051 | ||
4ff029f6 DN |
1052 | if (argmatch (argv, argc, "-daemon", "--daemon", 5, NULL, &skip_args) |
1053 | || argmatch (argv, argc, "-daemon", "--daemon", 5, &dname_arg, &skip_args)) | |
eab2ee89 | 1054 | { |
9d29095c | 1055 | #ifndef DOS_NT |
5790ef40 DN |
1056 | pid_t f; |
1057 | ||
1058 | /* Start as a daemon: fork a new child process which will run the | |
1059 | rest of the initialization code, then exit. | |
1060 | ||
fc012771 SM |
1061 | Detaching a daemon requires the following steps: |
1062 | - fork | |
1063 | - setsid | |
1064 | - exit the parent | |
1065 | - close the tty file-descriptors | |
1066 | ||
1067 | We only want to do the last 2 steps once the daemon is ready to | |
1068 | serve requests, i.e. after loading .emacs (initialization). | |
1069 | OTOH initialization may start subprocesses (e.g. ispell) and these | |
1070 | should be run from the proper process (the one that will end up | |
1071 | running as daemon) and with the proper "session id" in order for | |
1072 | them to keep working after detaching, so fork and setsid need to be | |
1073 | performed before initialization. | |
1074 | ||
5790ef40 DN |
1075 | We want to avoid exiting before the server socket is ready, so |
1076 | use a pipe for synchronization. The parent waits for the child | |
1077 | to close its end of the pipe (using `daemon-initialized') | |
1078 | before exiting. */ | |
1079 | if (pipe (daemon_pipe) == -1) | |
1080 | { | |
1081 | fprintf (stderr, "Cannot pipe!\n"); | |
1082 | exit (1); | |
1083 | } | |
1084 | ||
b3243e6f | 1085 | #ifndef NS_IMPL_COCOA |
5790ef40 | 1086 | f = fork (); |
cfa6accb AR |
1087 | #else /* NS_IMPL_COCOA */ |
1088 | /* Under Cocoa we must do fork+exec as CoreFoundation lib fails in | |
1089 | forked process: http://developer.apple.com/ReleaseNotes/ | |
1090 | CoreFoundation/CoreFoundation.html) | |
b3243e6f AR |
1091 | We mark being in the exec'd process by a daemon name argument of |
1092 | form "--daemon=\nFD0,FD1\nNAME" where FD are the pipe file descriptors, | |
1093 | NAME is the original daemon name, if any. */ | |
1094 | if (!dname_arg || !strchr (dname_arg, '\n')) | |
1095 | f = fork (); /* in orig */ | |
1096 | else | |
1097 | f = 0; /* in exec'd */ | |
cfa6accb | 1098 | #endif /* NS_IMPL_COCOA */ |
eab2ee89 | 1099 | if (f > 0) |
5790ef40 DN |
1100 | { |
1101 | int retval; | |
1102 | char buf[1]; | |
1103 | ||
1104 | /* Close unused writing end of the pipe. */ | |
1105 | close (daemon_pipe[1]); | |
1106 | ||
1107 | /* Just wait for the child to close its end of the pipe. */ | |
1108 | do | |
1109 | { | |
1110 | retval = read (daemon_pipe[0], &buf, 1); | |
1111 | } | |
1112 | while (retval == -1 && errno == EINTR); | |
1113 | ||
1114 | if (retval < 0) | |
1115 | { | |
1116 | fprintf (stderr, "Error reading status from child\n"); | |
1117 | exit (1); | |
1118 | } | |
fd95644b DN |
1119 | else if (retval == 0) |
1120 | { | |
1121 | fprintf (stderr, "Error: server did not start correctly\n"); | |
1122 | exit (1); | |
1123 | } | |
5790ef40 DN |
1124 | |
1125 | close (daemon_pipe[0]); | |
1126 | exit (0); | |
1127 | } | |
eab2ee89 DN |
1128 | if (f < 0) |
1129 | { | |
1130 | fprintf (stderr, "Cannot fork!\n"); | |
9d0a6e42 | 1131 | exit (1); |
eab2ee89 DN |
1132 | } |
1133 | ||
b3243e6f AR |
1134 | #ifdef NS_IMPL_COCOA |
1135 | { | |
cfa6accb | 1136 | /* In orig process, forked as child, OR in exec'd. */ |
b3243e6f | 1137 | if (!dname_arg || !strchr (dname_arg, '\n')) |
cfa6accb | 1138 | { /* In orig, child: now exec w/special daemon name. */ |
b3243e6f AR |
1139 | char fdStr[80]; |
1140 | ||
1141 | if (dname_arg && strlen (dname_arg) > 70) | |
1142 | { | |
1143 | fprintf (stderr, "daemon: child name too long\n"); | |
1144 | exit (1); | |
1145 | } | |
1146 | ||
1147 | sprintf (fdStr, "--daemon=\n%d,%d\n%s", daemon_pipe[0], | |
1148 | daemon_pipe[1], dname_arg ? dname_arg : ""); | |
1149 | argv[skip_args] = fdStr; | |
1150 | ||
1151 | execv (argv[0], argv); | |
cff11156 | 1152 | fprintf (stderr, "emacs daemon: exec failed: %d\n", errno); |
b3243e6f AR |
1153 | exit (1); |
1154 | } | |
1155 | ||
cfa6accb | 1156 | /* In exec'd: parse special dname into pipe and name info. */ |
b3243e6f AR |
1157 | if (!dname_arg || !strchr (dname_arg, '\n') |
1158 | || strlen (dname_arg) < 1 || strlen (dname_arg) > 70) | |
1159 | { | |
1160 | fprintf (stderr, "emacs daemon: daemon name absent or too long\n"); | |
1161 | exit(1); | |
1162 | } | |
1163 | dname_arg2[0] = '\0'; | |
1164 | sscanf (dname_arg, "\n%d,%d\n%s", &(daemon_pipe[0]), &(daemon_pipe[1]), | |
1165 | dname_arg2); | |
1166 | dname_arg = strlen (dname_arg2) ? dname_arg2 : NULL; | |
1167 | } | |
cfa6accb | 1168 | #endif /* NS_IMPL_COCOA */ |
b3243e6f | 1169 | |
4ff029f6 DN |
1170 | if (dname_arg) |
1171 | daemon_name = xstrdup (dname_arg); | |
5790ef40 DN |
1172 | /* Close unused reading end of the pipe. */ |
1173 | close (daemon_pipe[0]); | |
7c19d3ae DN |
1174 | /* Make sure that the used end of the pipe is closed on exec, so |
1175 | that it is not accessible to programs started from .emacs. */ | |
1176 | fcntl (daemon_pipe[1], F_SETFD, FD_CLOEXEC); | |
1177 | ||
eab2ee89 DN |
1178 | #ifdef HAVE_SETSID |
1179 | setsid(); | |
1180 | #endif | |
eab2ee89 | 1181 | #else /* DOS_NT */ |
9d29095c DN |
1182 | fprintf (stderr, "This platform does not support the -daemon flag.\n"); |
1183 | exit (1); | |
eab2ee89 | 1184 | #endif /* DOS_NT */ |
9d29095c | 1185 | } |
eab2ee89 | 1186 | |
edb85f59 RS |
1187 | if (! noninteractive) |
1188 | { | |
edb85f59 RS |
1189 | #if defined (USG5) && defined (INTERRUPT_INPUT) |
1190 | setpgrp (); | |
1191 | #endif | |
5467331d YM |
1192 | #if defined (HAVE_GTK_AND_PTHREAD) && !defined (SYSTEM_MALLOC) && !defined (DOUG_LEA_MALLOC) |
1193 | { | |
f57e2426 | 1194 | extern void malloc_enable_thread (void); |
5467331d YM |
1195 | |
1196 | malloc_enable_thread (); | |
1197 | } | |
edb85f59 RS |
1198 | #endif |
1199 | } | |
1200 | ||
fb8e9847 | 1201 | init_signals (); |
fb8e9847 | 1202 | |
1efa2983 KH |
1203 | /* Don't catch SIGHUP if dumping. */ |
1204 | if (1 | |
1205 | #ifndef CANNOT_DUMP | |
1206 | && initialized | |
1207 | #endif | |
1208 | ) | |
1209 | { | |
57e3d22a | 1210 | sigblock (sigmask (SIGHUP)); |
1efa2983 KH |
1211 | /* In --batch mode, don't catch SIGHUP if already ignored. |
1212 | That makes nohup work. */ | |
1213 | if (! noninteractive | |
1214 | || signal (SIGHUP, SIG_IGN) != SIG_IGN) | |
1215 | signal (SIGHUP, fatal_error_signal); | |
57e3d22a | 1216 | sigunblock (sigmask (SIGHUP)); |
1efa2983 KH |
1217 | } |
1218 | ||
f927c5ae JB |
1219 | if ( |
1220 | #ifndef CANNOT_DUMP | |
1221 | ! noninteractive || initialized | |
1222 | #else | |
1223 | 1 | |
1224 | #endif | |
1225 | ) | |
1226 | { | |
1efa2983 | 1227 | /* Don't catch these signals in batch mode if dumping. |
f927c5ae JB |
1228 | On some machines, this sets static data that would make |
1229 | signal fail to work right when the dumped Emacs is run. */ | |
f927c5ae JB |
1230 | signal (SIGQUIT, fatal_error_signal); |
1231 | signal (SIGILL, fatal_error_signal); | |
1232 | signal (SIGTRAP, fatal_error_signal); | |
7317d9e8 | 1233 | #ifdef SIGUSR1 |
71b28d05 | 1234 | add_user_signal (SIGUSR1, "sigusr1"); |
7317d9e8 | 1235 | #endif |
8247c60d | 1236 | #ifdef SIGUSR2 |
71b28d05 | 1237 | add_user_signal (SIGUSR2, "sigusr2"); |
7317d9e8 | 1238 | #endif |
99e372cd RS |
1239 | #ifdef SIGABRT |
1240 | signal (SIGABRT, fatal_error_signal); | |
1241 | #endif | |
1242 | #ifdef SIGHWE | |
1243 | signal (SIGHWE, fatal_error_signal); | |
1244 | #endif | |
1245 | #ifdef SIGPRE | |
1246 | signal (SIGPRE, fatal_error_signal); | |
1247 | #endif | |
1248 | #ifdef SIGORE | |
1249 | signal (SIGORE, fatal_error_signal); | |
1250 | #endif | |
1251 | #ifdef SIGUME | |
1252 | signal (SIGUME, fatal_error_signal); | |
1253 | #endif | |
1254 | #ifdef SIGDLK | |
1255 | signal (SIGDLK, fatal_error_signal); | |
1256 | #endif | |
1257 | #ifdef SIGCPULIM | |
1258 | signal (SIGCPULIM, fatal_error_signal); | |
1259 | #endif | |
a90538cb JB |
1260 | #ifdef SIGIOT |
1261 | /* This is missing on some systems - OS/2, for example. */ | |
f927c5ae | 1262 | signal (SIGIOT, fatal_error_signal); |
a90538cb | 1263 | #endif |
f927c5ae JB |
1264 | #ifdef SIGEMT |
1265 | signal (SIGEMT, fatal_error_signal); | |
1266 | #endif | |
1267 | signal (SIGFPE, fatal_error_signal); | |
00eaaa32 | 1268 | #ifdef SIGBUS |
f927c5ae | 1269 | signal (SIGBUS, fatal_error_signal); |
00eaaa32 | 1270 | #endif |
f927c5ae | 1271 | signal (SIGSEGV, fatal_error_signal); |
00eaaa32 | 1272 | #ifdef SIGSYS |
f927c5ae | 1273 | signal (SIGSYS, fatal_error_signal); |
00eaaa32 | 1274 | #endif |
f927c5ae JB |
1275 | signal (SIGTERM, fatal_error_signal); |
1276 | #ifdef SIGXCPU | |
1277 | signal (SIGXCPU, fatal_error_signal); | |
1278 | #endif | |
1279 | #ifdef SIGXFSZ | |
1280 | signal (SIGXFSZ, fatal_error_signal); | |
1281 | #endif /* SIGXFSZ */ | |
1282 | ||
271c7b7c RS |
1283 | #ifdef SIGDANGER |
1284 | /* This just means available memory is getting low. */ | |
1285 | signal (SIGDANGER, memory_warning_signal); | |
1286 | #endif | |
1287 | ||
f927c5ae | 1288 | #ifdef AIX |
56e034fa RS |
1289 | /* 20 is SIGCHLD, 21 is SIGTTIN, 22 is SIGTTOU. */ |
1290 | signal (SIGXCPU, fatal_error_signal); | |
0aef8561 | 1291 | #ifndef _I386 |
f927c5ae | 1292 | signal (SIGIOINT, fatal_error_signal); |
0aef8561 | 1293 | #endif |
f927c5ae JB |
1294 | signal (SIGGRANT, fatal_error_signal); |
1295 | signal (SIGRETRACT, fatal_error_signal); | |
1296 | signal (SIGSOUND, fatal_error_signal); | |
1297 | signal (SIGMSG, fatal_error_signal); | |
1298 | #endif /* AIX */ | |
1299 | } | |
1300 | ||
1301 | noninteractive1 = noninteractive; | |
1302 | ||
7db35a48 | 1303 | /* Perform basic initializations (not merely interning symbols). */ |
f927c5ae JB |
1304 | |
1305 | if (!initialized) | |
1306 | { | |
1307 | init_alloc_once (); | |
1308 | init_obarray (); | |
1309 | init_eval_once (); | |
e37d7195 | 1310 | init_character_once (); |
270ce821 KH |
1311 | init_charset_once (); |
1312 | init_coding_once (); | |
f927c5ae | 1313 | init_syntax_once (); /* Create standard syntax table. */ |
270ce821 | 1314 | init_category_once (); /* Create standard category table. */ |
7db35a48 | 1315 | /* Must be done before init_buffer. */ |
f927c5ae | 1316 | init_casetab_once (); |
7db35a48 PJ |
1317 | init_buffer_once (); /* Create buffer table and some buffers. */ |
1318 | init_minibuf_once (); /* Create list of minibuffers. */ | |
1319 | /* Must precede init_window_once. */ | |
1320 | ||
90d920b6 GM |
1321 | /* Call syms_of_xfaces before init_window_once because that |
1322 | function creates Vterminal_frame. Termcap frames now use | |
1323 | faces, and the face implementation uses some symbols as | |
1324 | face names. */ | |
90d920b6 | 1325 | syms_of_xfaces (); |
4ea81208 KL |
1326 | /* XXX syms_of_keyboard uses some symbols in keymap.c. It would |
1327 | be better to arrange things not to have this dependency. */ | |
1328 | syms_of_keymap (); | |
7a18af49 KR |
1329 | /* Call syms_of_keyboard before init_window_once because |
1330 | keyboard sets up symbols that include some face names that | |
1331 | the X support will want to use. This can happen when | |
1332 | CANNOT_DUMP is defined. */ | |
1333 | syms_of_keyboard (); | |
90d920b6 | 1334 | |
985773c9 MB |
1335 | /* Called before syms_of_fileio, because it sets up Qerror_condition. */ |
1336 | syms_of_data (); | |
1337 | syms_of_fileio (); | |
1338 | /* Before syms_of_coding to initialize Vgc_cons_threshold. */ | |
1339 | syms_of_alloc (); | |
1340 | /* Before syms_of_coding because it initializes Qcharsetp. */ | |
1341 | syms_of_charset (); | |
1342 | /* Before init_window_once, because it sets up the | |
1343 | Vcoding_system_hash_table. */ | |
1344 | syms_of_coding (); /* This should be after syms_of_fileio. */ | |
1a578e9b | 1345 | |
7db35a48 | 1346 | init_window_once (); /* Init the window system. */ |
6b61353c KH |
1347 | #ifdef HAVE_WINDOW_SYSTEM |
1348 | init_fringe_once (); /* Swap bitmaps if necessary. */ | |
1349 | #endif /* HAVE_WINDOW_SYSTEM */ | |
f927c5ae JB |
1350 | } |
1351 | ||
1352 | init_alloc (); | |
68c45bf0 PE |
1353 | |
1354 | if (do_initial_setlocale) | |
1355 | { | |
1356 | fixup_locale (); | |
ca9c0567 PE |
1357 | Vsystem_messages_locale = Vprevious_system_messages_locale; |
1358 | Vsystem_time_locale = Vprevious_system_time_locale; | |
68c45bf0 PE |
1359 | } |
1360 | ||
f927c5ae JB |
1361 | init_eval (); |
1362 | init_data (); | |
ad067ea6 | 1363 | #ifdef CLASH_DETECTION |
01f67d2c | 1364 | init_filelock (); |
ad067ea6 | 1365 | #endif |
ab5d0358 | 1366 | init_atimer (); |
7074fde6 | 1367 | running_asynch_code = 0; |
0e956009 | 1368 | |
a08a816a RS |
1369 | /* Handle --unibyte and the EMACS_UNIBYTE envvar, |
1370 | but not while dumping. */ | |
e721aa94 | 1371 | if (1) |
a08a816a RS |
1372 | { |
1373 | int inhibit_unibyte = 0; | |
1374 | ||
1375 | /* --multibyte overrides EMACS_UNIBYTE. */ | |
1376 | if (argmatch (argv, argc, "-no-unibyte", "--no-unibyte", 4, NULL, &skip_args) | |
e721aa94 SM |
1377 | || argmatch (argv, argc, "-multibyte", "--multibyte", 4, NULL, &skip_args) |
1378 | /* Ignore EMACS_UNIBYTE before dumping. */ | |
1379 | || (!initialized && noninteractive)) | |
a08a816a RS |
1380 | inhibit_unibyte = 1; |
1381 | ||
1382 | /* --unibyte requests that we set up to do everything with single-byte | |
1383 | buffers and strings. We need to handle this before calling | |
1384 | init_lread, init_editfns and other places that generate Lisp strings | |
1385 | from text in the environment. */ | |
c0218e1b DL |
1386 | /* Actually this shouldn't be needed as of 20.4 in a generally |
1387 | unibyte environment. As handa says, environment values | |
1388 | aren't now decoded; also existing buffers are now made | |
1389 | unibyte during startup if .emacs sets unibyte. Tested with | |
1390 | 8-bit data in environment variables and /etc/passwd, setting | |
7db35a48 | 1391 | unibyte and Latin-1 in .emacs. -- Dave Love */ |
a08a816a RS |
1392 | if (argmatch (argv, argc, "-unibyte", "--unibyte", 4, NULL, &skip_args) |
1393 | || argmatch (argv, argc, "-no-multibyte", "--no-multibyte", 4, NULL, &skip_args) | |
1394 | || (getenv ("EMACS_UNIBYTE") && !inhibit_unibyte)) | |
1395 | { | |
1396 | Lisp_Object old_log_max; | |
1397 | Lisp_Object symbol, tail; | |
1398 | ||
d67b4f80 | 1399 | symbol = intern_c_string ("enable-multibyte-characters"); |
82e98df4 | 1400 | Fset_default (symbol, Qnil); |
a08a816a | 1401 | |
6524291c KH |
1402 | if (initialized) |
1403 | { | |
1404 | /* Erase pre-dump messages in *Messages* now so no abort. */ | |
1405 | old_log_max = Vmessage_log_max; | |
1406 | XSETFASTINT (Vmessage_log_max, 0); | |
1407 | message_dolog ("", 0, 1, 0); | |
1408 | Vmessage_log_max = old_log_max; | |
1409 | } | |
a08a816a | 1410 | |
3e75bb9e | 1411 | for (tail = Vbuffer_alist; CONSP (tail); |
7539e11f | 1412 | tail = XCDR (tail)) |
a08a816a RS |
1413 | { |
1414 | Lisp_Object buffer; | |
1415 | ||
7539e11f | 1416 | buffer = Fcdr (XCAR (tail)); |
8f924df7 | 1417 | /* Make a multibyte buffer unibyte. */ |
f2b89e21 KH |
1418 | if (BUF_Z_BYTE (XBUFFER (buffer)) > BUF_Z (XBUFFER (buffer))) |
1419 | { | |
1420 | struct buffer *current = current_buffer; | |
1421 | ||
1422 | set_buffer_temp (XBUFFER (buffer)); | |
8f924df7 | 1423 | Fset_buffer_multibyte (Qnil); |
f2b89e21 KH |
1424 | set_buffer_temp (current); |
1425 | } | |
a08a816a | 1426 | } |
82e98df4 | 1427 | message ("Warning: unibyte sessions are obsolete and will disappear"); |
a08a816a RS |
1428 | } |
1429 | } | |
1430 | ||
956e3c7e | 1431 | no_loadup |
b96f9fb7 | 1432 | = argmatch (argv, argc, "-nl", "--no-loadup", 6, NULL, &skip_args); |
956e3c7e | 1433 | |
edfda783 AR |
1434 | #ifdef HAVE_NS |
1435 | ns_alloc_autorelease_pool(); | |
1436 | if (!noninteractive) | |
1437 | { | |
edfda783 AR |
1438 | #ifdef NS_IMPL_COCOA |
1439 | if (skip_args < argc) | |
1440 | { | |
1441 | if (!strncmp(argv[skip_args], "-psn", 4)) | |
1442 | { | |
1443 | skip_args += 1; | |
3d0a4431 | 1444 | chdir (getenv ("HOME")); |
edfda783 | 1445 | } |
95889848 | 1446 | else if (skip_args+1 < argc && !strncmp(argv[skip_args+1], "-psn", 4)) |
edfda783 | 1447 | { |
95889848 | 1448 | skip_args += 2; |
3d0a4431 | 1449 | chdir (getenv ("HOME")); |
edfda783 AR |
1450 | } |
1451 | } | |
9b68317c | 1452 | #endif /* COCOA */ |
edfda783 AR |
1453 | } |
1454 | #endif /* HAVE_NS */ | |
1455 | ||
956e3c7e RS |
1456 | #ifdef HAVE_X_WINDOWS |
1457 | /* Stupid kludge to catch command-line display spec. We can't | |
1458 | handle this argument entirely in window system dependent code | |
1459 | because we don't even know which window system dependent code | |
1460 | to run until we've recognized this argument. */ | |
1461 | { | |
1462 | char *displayname = 0; | |
956e3c7e RS |
1463 | int count_before = skip_args; |
1464 | ||
1465 | /* Skip any number of -d options, but only use the last one. */ | |
1466 | while (1) | |
1467 | { | |
1468 | int count_before_this = skip_args; | |
1469 | ||
1470 | if (argmatch (argv, argc, "-d", "--display", 3, &displayname, &skip_args)) | |
1471 | display_arg = 1; | |
1472 | else if (argmatch (argv, argc, "-display", 0, 3, &displayname, &skip_args)) | |
1473 | display_arg = 1; | |
1474 | else | |
1475 | break; | |
1476 | ||
1477 | count_before = count_before_this; | |
1478 | } | |
1479 | ||
1480 | /* If we have the form --display=NAME, | |
1481 | convert it into -d name. | |
1482 | This requires inserting a new element into argv. */ | |
1483 | if (displayname != 0 && skip_args - count_before == 1) | |
1484 | { | |
1485 | char **new = (char **) xmalloc (sizeof (char *) * (argc + 2)); | |
1486 | int j; | |
1487 | ||
1488 | for (j = 0; j < count_before + 1; j++) | |
1489 | new[j] = argv[j]; | |
1490 | new[count_before + 1] = "-d"; | |
1491 | new[count_before + 2] = displayname; | |
1492 | for (j = count_before + 2; j <argc; j++) | |
1493 | new[j + 1] = argv[j]; | |
1494 | argv = new; | |
1495 | argc++; | |
1496 | } | |
1497 | /* Change --display to -d, when its arg is separate. */ | |
1498 | else if (displayname != 0 && skip_args > count_before | |
1499 | && argv[count_before + 1][1] == '-') | |
1500 | argv[count_before + 1] = "-d"; | |
1501 | ||
1502 | /* Don't actually discard this arg. */ | |
1503 | skip_args = count_before; | |
1504 | } | |
1505 | #endif | |
1506 | ||
1507 | /* argmatch must not be used after here, | |
1508 | except when bulding temacs | |
1509 | because the -d argument has not been skipped in skip_args. */ | |
1510 | ||
29b89fe0 RS |
1511 | #ifdef MSDOS |
1512 | /* Call early 'cause init_environment needs it. */ | |
1513 | init_dosfns (); | |
1514 | /* Set defaults for several environment variables. */ | |
18198bb2 RS |
1515 | if (initialized) |
1516 | init_environment (argc, argv, skip_args); | |
1517 | else | |
d1fc6752 | 1518 | tzset (); |
18198bb2 | 1519 | #endif /* MSDOS */ |
29b89fe0 | 1520 | |
8ba50e1a | 1521 | #ifdef WINDOWSNT |
9785d95b | 1522 | globals_of_w32 (); |
8ba50e1a | 1523 | /* Initialize environment from registry settings. */ |
a3a58294 | 1524 | init_environment (argv); |
7db35a48 | 1525 | init_ntproc (); /* must precede init_editfns. */ |
8ba50e1a GV |
1526 | #endif |
1527 | ||
edfda783 AR |
1528 | #ifdef HAVE_NS |
1529 | #ifndef CANNOT_DUMP | |
1530 | if (initialized) | |
1531 | #endif | |
1532 | ns_init_paths (); | |
1533 | #endif | |
1534 | ||
8b4eb796 KR |
1535 | /* Initialize and GC-protect Vinitial_environment and |
1536 | Vprocess_environment before set_initial_environment fills them | |
1537 | in. */ | |
1538 | if (!initialized) | |
1539 | syms_of_callproc (); | |
0e956009 JB |
1540 | /* egetenv is a pretty low-level facility, which may get called in |
1541 | many circumstances; it seems flimsy to put off initializing it | |
1542 | until calling init_callproc. */ | |
a13f8f50 | 1543 | set_initial_environment (); |
93aed04d | 1544 | /* AIX crashes are reported in system versions 3.2.3 and 3.2.4 |
5990851d KL |
1545 | if this is not done. Do it after set_global_environment so that we |
1546 | don't pollute Vglobal_environment. */ | |
fa09a82d | 1547 | /* Setting LANG here will defeat the startup locale processing... */ |
f2a77c3a | 1548 | #ifdef AIX |
93aed04d RS |
1549 | putenv ("LANG=C"); |
1550 | #endif | |
0e956009 | 1551 | |
7db35a48 | 1552 | init_buffer (); /* Init default directory of main buffer. */ |
ace40a69 | 1553 | |
7928f0b5 | 1554 | init_callproc_1 (); /* Must precede init_cmdargs and init_sys_modes. */ |
ace40a69 | 1555 | init_cmdargs (argc, argv, skip_args); /* Must precede init_lread. */ |
380e25b8 RS |
1556 | |
1557 | if (initialized) | |
1558 | { | |
7db35a48 | 1559 | /* Erase any pre-dump messages in the message log, to avoid confusion. */ |
380e25b8 RS |
1560 | Lisp_Object old_log_max; |
1561 | old_log_max = Vmessage_log_max; | |
1562 | XSETFASTINT (Vmessage_log_max, 0); | |
f6fe7bb5 | 1563 | message_dolog ("", 0, 1, 0); |
380e25b8 RS |
1564 | Vmessage_log_max = old_log_max; |
1565 | } | |
1566 | ||
7928f0b5 | 1567 | init_callproc (); /* Must follow init_cmdargs but not init_sys_modes. */ |
fb8e9847 | 1568 | init_lread (); |
f927c5ae | 1569 | |
8bb697c0 RS |
1570 | /* Intern the names of all standard functions and variables; |
1571 | define standard keys. */ | |
f927c5ae JB |
1572 | |
1573 | if (!initialized) | |
1574 | { | |
4230ab74 KR |
1575 | /* The basic levels of Lisp must come first. Note that |
1576 | syms_of_data and some others have already been called. */ | |
e37d7195 | 1577 | syms_of_chartab (); |
fb8e9847 | 1578 | syms_of_lread (); |
f927c5ae JB |
1579 | syms_of_print (); |
1580 | syms_of_eval (); | |
1581 | syms_of_fns (); | |
f927c5ae | 1582 | syms_of_floatfns (); |
f927c5ae | 1583 | |
f927c5ae JB |
1584 | syms_of_buffer (); |
1585 | syms_of_bytecode (); | |
1586 | syms_of_callint (); | |
1587 | syms_of_casefiddle (); | |
1588 | syms_of_casetab (); | |
270ce821 KH |
1589 | syms_of_category (); |
1590 | syms_of_ccl (); | |
e37d7195 | 1591 | syms_of_character (); |
f927c5ae | 1592 | syms_of_cmds (); |
f927c5ae | 1593 | syms_of_dired (); |
f927c5ae JB |
1594 | syms_of_display (); |
1595 | syms_of_doc (); | |
1596 | syms_of_editfns (); | |
1597 | syms_of_emacs (); | |
f927c5ae JB |
1598 | #ifdef CLASH_DETECTION |
1599 | syms_of_filelock (); | |
1600 | #endif /* CLASH_DETECTION */ | |
1601 | syms_of_indent (); | |
c2c5ed2c | 1602 | syms_of_insdel (); |
4ea81208 | 1603 | /* syms_of_keymap (); */ |
f927c5ae JB |
1604 | syms_of_macros (); |
1605 | syms_of_marker (); | |
1606 | syms_of_minibuf (); | |
f927c5ae | 1607 | syms_of_process (); |
f927c5ae | 1608 | syms_of_search (); |
1cbd5d9d | 1609 | syms_of_frame (); |
f927c5ae | 1610 | syms_of_syntax (); |
ed8dad6b | 1611 | syms_of_terminal (); |
0d934e7b | 1612 | syms_of_term (); |
f927c5ae | 1613 | syms_of_undo (); |
90d920b6 GM |
1614 | #ifdef HAVE_SOUND |
1615 | syms_of_sound (); | |
1616 | #endif | |
bef79ee4 | 1617 | syms_of_textprop (); |
9d100795 | 1618 | syms_of_composite (); |
05687c54 RS |
1619 | #ifdef WINDOWSNT |
1620 | syms_of_ntproc (); | |
1621 | #endif /* WINDOWSNT */ | |
f927c5ae JB |
1622 | syms_of_window (); |
1623 | syms_of_xdisp (); | |
d53f587b | 1624 | syms_of_font (); |
4fa9161d | 1625 | #ifdef HAVE_WINDOW_SYSTEM |
6b61353c KH |
1626 | syms_of_fringe (); |
1627 | syms_of_image (); | |
1628 | #endif /* HAVE_WINDOW_SYSTEM */ | |
f927c5ae | 1629 | #ifdef HAVE_X_WINDOWS |
72412588 | 1630 | syms_of_xterm (); |
f927c5ae | 1631 | syms_of_xfns (); |
edfda783 | 1632 | syms_of_xmenu (); |
270ce821 | 1633 | syms_of_fontset (); |
637fa988 | 1634 | syms_of_xsettings (); |
28b1b672 JD |
1635 | #ifdef HAVE_X_SM |
1636 | syms_of_xsmfns (); | |
1637 | #endif | |
72412588 JB |
1638 | #ifdef HAVE_X11 |
1639 | syms_of_xselect (); | |
1640 | #endif | |
f927c5ae JB |
1641 | #endif /* HAVE_X_WINDOWS */ |
1642 | ||
4e77ce60 | 1643 | syms_of_menu (); |
4e77ce60 | 1644 | |
8ba50e1a | 1645 | #ifdef HAVE_NTGUI |
fbd6baed GV |
1646 | syms_of_w32term (); |
1647 | syms_of_w32fns (); | |
fbd6baed GV |
1648 | syms_of_w32select (); |
1649 | syms_of_w32menu (); | |
02062ac3 | 1650 | syms_of_fontset (); |
8ba50e1a GV |
1651 | #endif /* HAVE_NTGUI */ |
1652 | ||
40da1153 EZ |
1653 | #ifdef MSDOS |
1654 | syms_of_xmenu (); | |
1655 | #endif /* MSDOS */ | |
1656 | ||
edfda783 AR |
1657 | #ifdef HAVE_NS |
1658 | syms_of_nsterm (); | |
1659 | syms_of_nsfns (); | |
1660 | syms_of_nsmenu (); | |
1661 | syms_of_nsselect (); | |
1662 | syms_of_fontset (); | |
1663 | #endif /* HAVE_NS */ | |
1664 | ||
033b73e2 MA |
1665 | #ifdef HAVE_DBUS |
1666 | syms_of_dbusbind (); | |
1667 | #endif /* HAVE_DBUS */ | |
1668 | ||
f927c5ae JB |
1669 | #ifdef SYMS_SYSTEM |
1670 | SYMS_SYSTEM; | |
1671 | #endif | |
1672 | ||
1673 | #ifdef SYMS_MACHINE | |
1674 | SYMS_MACHINE; | |
1675 | #endif | |
1676 | ||
1677 | keys_of_casefiddle (); | |
1678 | keys_of_cmds (); | |
1679 | keys_of_buffer (); | |
1680 | keys_of_keyboard (); | |
1681 | keys_of_keymap (); | |
f927c5ae | 1682 | keys_of_window (); |
9785d95b | 1683 | } |
3b6536b1 | 1684 | else |
9785d95b | 1685 | { |
3b6536b1 AS |
1686 | /* Initialization that must be done even if the global variable |
1687 | initialized is non zero. */ | |
9785d95b BK |
1688 | #ifdef HAVE_NTGUI |
1689 | globals_of_w32fns (); | |
1690 | globals_of_w32menu (); | |
52c7f9ee | 1691 | globals_of_w32select (); |
3b6536b1 | 1692 | #endif /* HAVE_NTGUI */ |
f927c5ae JB |
1693 | } |
1694 | ||
cf411e8d KH |
1695 | init_charset (); |
1696 | ||
f7cf8b20 | 1697 | init_editfns (); /* init_process uses Voperating_system_release. */ |
2491d293 | 1698 | init_process (); /* init_display uses add_keyboard_wait_descriptor. */ |
7db35a48 | 1699 | init_keyboard (); /* This too must precede init_sys_modes. */ |
0a125897 | 1700 | if (!noninteractive) |
7c2fb837 | 1701 | init_display (); /* Determine terminal type. Calls init_sys_modes. */ |
90d920b6 | 1702 | init_fns (); |
8bb697c0 | 1703 | init_xdisp (); |
6b61353c KH |
1704 | #ifdef HAVE_WINDOW_SYSTEM |
1705 | init_fringe (); | |
1706 | init_image (); | |
1707 | #endif /* HAVE_WINDOW_SYSTEM */ | |
8bb697c0 | 1708 | init_macros (); |
8bb697c0 | 1709 | init_floatfns (); |
90d920b6 GM |
1710 | #ifdef HAVE_SOUND |
1711 | init_sound (); | |
1712 | #endif | |
75816372 | 1713 | init_window (); |
74d75424 | 1714 | init_font (); |
087fc47a | 1715 | |
f927c5ae JB |
1716 | if (!initialized) |
1717 | { | |
e2925360 | 1718 | char *file; |
7db35a48 | 1719 | /* Handle -l loadup, args passed by Makefile. */ |
df6530f8 | 1720 | if (argmatch (argv, argc, "-l", "--load", 3, &file, &skip_args)) |
d67b4f80 | 1721 | Vtop_level = Fcons (intern_c_string ("load"), |
e2925360 | 1722 | Fcons (build_string (file), Qnil)); |
f927c5ae | 1723 | /* Unless next switch is -nl, load "loadup.el" first thing. */ |
956e3c7e | 1724 | if (! no_loadup) |
d67b4f80 | 1725 | Vtop_level = Fcons (intern_c_string ("load"), |
f927c5ae | 1726 | Fcons (build_string ("loadup.el"), Qnil)); |
f927c5ae JB |
1727 | } |
1728 | ||
93572b43 KH |
1729 | if (initialized) |
1730 | { | |
0269dedb RS |
1731 | #ifdef HAVE_TZSET |
1732 | { | |
1733 | /* If the execution TZ happens to be the same as the dump TZ, | |
1734 | change it to some other value and then change it back, | |
1735 | to force the underlying implementation to reload the TZ info. | |
1736 | This is needed on implementations that load TZ info from files, | |
1737 | since the TZ file contents may differ between dump and execution. */ | |
1738 | char *tz = getenv ("TZ"); | |
1739 | if (tz && !strcmp (tz, dump_tz)) | |
1740 | { | |
1741 | ++*tz; | |
1742 | tzset (); | |
1743 | --*tz; | |
1744 | } | |
1745 | } | |
1746 | #endif | |
93572b43 KH |
1747 | } |
1748 | ||
ecf783fa EZ |
1749 | /* Set up for profiling. This is known to work on FreeBSD, |
1750 | GNU/Linux and MinGW. It might work on some other systems too. | |
1751 | Give it a try and tell us if it works on your system. To compile | |
7b3a82d7 | 1752 | for profiling, use the configure option --enable-profiling. */ |
ecf783fa | 1753 | #if defined (__FreeBSD__) || defined (GNU_LINUX) || defined(__MINGW32__) |
e610ea43 RS |
1754 | #ifdef PROFILING |
1755 | if (initialized) | |
1756 | { | |
7db35a48 | 1757 | extern void _mcleanup (); |
ecf783fa EZ |
1758 | #ifdef __MINGW32__ |
1759 | extern unsigned char etext asm ("etext"); | |
1760 | #else | |
e610ea43 | 1761 | extern char etext; |
ecf783fa | 1762 | #endif |
90d920b6 | 1763 | extern void safe_bcopy (); |
67a5596f GM |
1764 | extern void dump_opcode_frequencies (); |
1765 | ||
e610ea43 | 1766 | atexit (_mcleanup); |
90d920b6 GM |
1767 | /* This uses safe_bcopy because that function comes first in the |
1768 | Emacs executable. It might be better to use something that | |
1769 | gives the start of the text segment, but start_of_text is not | |
1770 | defined on all systems now. */ | |
1771 | monstartup (safe_bcopy, &etext); | |
e610ea43 RS |
1772 | } |
1773 | else | |
1774 | moncontrol (0); | |
1775 | #endif | |
1776 | #endif | |
1777 | ||
f927c5ae JB |
1778 | initialized = 1; |
1779 | ||
e7536cff RS |
1780 | #ifdef LOCALTIME_CACHE |
1781 | /* Some versions of localtime have a bug. They cache the value of the time | |
279cc2b8 JB |
1782 | zone rather than looking it up every time. Since localtime() is |
1783 | called to bolt the undumping time into the undumped emacs, this | |
afe9fae9 | 1784 | results in localtime ignoring the TZ environment variable. |
7db35a48 | 1785 | This flushes the new TZ value into localtime. */ |
afe9fae9 | 1786 | tzset (); |
e7536cff | 1787 | #endif /* defined (LOCALTIME_CACHE) */ |
279cc2b8 | 1788 | |
f927c5ae JB |
1789 | /* Enter editor command loop. This never returns. */ |
1790 | Frecursive_edit (); | |
1791 | /* NOTREACHED */ | |
6bbd7a29 | 1792 | return 0; |
f927c5ae JB |
1793 | } |
1794 | \f | |
081bef73 RS |
1795 | /* Sort the args so we can find the most important ones |
1796 | at the beginning of argv. */ | |
1797 | ||
1798 | /* First, here's a table of all the standard options. */ | |
1799 | ||
1800 | struct standard_args | |
1801 | { | |
5e2327cf DN |
1802 | const char *name; |
1803 | const char *longname; | |
081bef73 RS |
1804 | int priority; |
1805 | int nargs; | |
1806 | }; | |
1807 | ||
5e2327cf | 1808 | const struct standard_args standard_args[] = |
081bef73 | 1809 | { |
05922407 | 1810 | { "-version", "--version", 150, 0 }, |
f63d0028 | 1811 | { "-chdir", "--chdir", 130, 1 }, |
05922407 | 1812 | { "-t", "--terminal", 120, 1 }, |
400d6fa9 | 1813 | { "-nw", "--no-window-system", 110, 0 }, |
05922407 RS |
1814 | { "-nw", "--no-windows", 110, 0 }, |
1815 | { "-batch", "--batch", 100, 0 }, | |
6e910e07 | 1816 | { "-script", "--script", 100, 1 }, |
eab2ee89 | 1817 | { "-daemon", "--daemon", 99, 0 }, |
05922407 | 1818 | { "-help", "--help", 90, 0 }, |
956e3c7e RS |
1819 | { "-no-unibyte", "--no-unibyte", 83, 0 }, |
1820 | { "-multibyte", "--multibyte", 82, 0 }, | |
1821 | { "-unibyte", "--unibyte", 81, 0 }, | |
1822 | { "-no-multibyte", "--no-multibyte", 80, 0 }, | |
956e3c7e | 1823 | { "-nl", "--no-loadup", 70, 0 }, |
956e3c7e RS |
1824 | /* -d must come last before the options handled in startup.el. */ |
1825 | { "-d", "--display", 60, 1 }, | |
1826 | { "-display", 0, 60, 1 }, | |
4fe22cdf | 1827 | /* Now for the options handled in `command-line' (startup.el). */ |
a1716a57 RS |
1828 | { "-Q", "--quick", 55, 0 }, |
1829 | { "-quick", 0, 55, 0 }, | |
081bef73 RS |
1830 | { "-q", "--no-init-file", 50, 0 }, |
1831 | { "-no-init-file", 0, 50, 0 }, | |
1832 | { "-no-site-file", "--no-site-file", 40, 0 }, | |
1833 | { "-u", "--user", 30, 1 }, | |
1834 | { "-user", 0, 30, 1 }, | |
1835 | { "-debug-init", "--debug-init", 20, 0 }, | |
f2bc3538 | 1836 | { "-iconic", "--iconic", 15, 0 }, |
a1716a57 | 1837 | { "-D", "--basic-display", 12, 0}, |
e09b9180 | 1838 | { "-basic-display", 0, 12, 0}, |
4fe22cdf CY |
1839 | { "-nbc", "--no-blinking-cursor", 12, 0 }, |
1840 | /* Now for the options handled in `command-line-1' (startup.el). */ | |
1841 | { "-nbi", "--no-bitmap-icon", 10, 0 }, | |
081bef73 RS |
1842 | { "-bg", "--background-color", 10, 1 }, |
1843 | { "-background", 0, 10, 1 }, | |
1844 | { "-fg", "--foreground-color", 10, 1 }, | |
1845 | { "-foreground", 0, 10, 1 }, | |
1846 | { "-bd", "--border-color", 10, 1 }, | |
1847 | { "-bw", "--border-width", 10, 1 }, | |
1848 | { "-ib", "--internal-border", 10, 1 }, | |
1849 | { "-ms", "--mouse-color", 10, 1 }, | |
1850 | { "-cr", "--cursor-color", 10, 1 }, | |
1851 | { "-fn", "--font", 10, 1 }, | |
1852 | { "-font", 0, 10, 1 }, | |
94452530 EZ |
1853 | { "-fs", "--fullscreen", 10, 0 }, |
1854 | { "-fw", "--fullwidth", 10, 0 }, | |
1855 | { "-fh", "--fullheight", 10, 0 }, | |
3f1c6666 | 1856 | { "-mm", "--maximized", 10, 0 }, |
081bef73 RS |
1857 | { "-g", "--geometry", 10, 1 }, |
1858 | { "-geometry", 0, 10, 1 }, | |
1859 | { "-T", "--title", 10, 1 }, | |
ae63ae52 | 1860 | { "-title", 0, 10, 1 }, |
081bef73 RS |
1861 | { "-name", "--name", 10, 1 }, |
1862 | { "-xrm", "--xrm", 10, 1 }, | |
1540a61a | 1863 | { "-parent-id", "--parent-id", 10, 1 }, |
fcdeb5d9 RS |
1864 | { "-r", "--reverse-video", 5, 0 }, |
1865 | { "-rv", 0, 5, 0 }, | |
1866 | { "-reverse", 0, 5, 0 }, | |
ae63ae52 | 1867 | { "-hb", "--horizontal-scroll-bars", 5, 0 }, |
fcdeb5d9 | 1868 | { "-vb", "--vertical-scroll-bars", 5, 0 }, |
d20e1b1e | 1869 | { "-color", "--color", 5, 0}, |
16706228 JL |
1870 | { "-no-splash", "--no-splash", 3, 0 }, |
1871 | { "-no-desktop", "--no-desktop", 3, 0 }, | |
edfda783 AR |
1872 | #ifdef HAVE_NS |
1873 | { "-NSAutoLaunch", 0, 5, 1 }, | |
1874 | { "-NXAutoLaunch", 0, 5, 1 }, | |
1875 | { "-disable-font-backend", "--disable-font-backend", 65, 0 }, | |
1876 | { "-_NSMachLaunch", 0, 85, 1 }, | |
1877 | { "-MachLaunch", 0, 85, 1 }, | |
1878 | { "-macosx", 0, 85, 0 }, | |
1879 | { "-NSHost", 0, 85, 1 }, | |
1880 | #endif | |
fcdeb5d9 RS |
1881 | /* These have the same priority as ordinary file name args, |
1882 | so they are not reordered with respect to those. */ | |
4af9e0b3 RS |
1883 | { "-L", "--directory", 0, 1 }, |
1884 | { "-directory", 0, 0, 1 }, | |
fcdeb5d9 RS |
1885 | { "-l", "--load", 0, 1 }, |
1886 | { "-load", 0, 0, 1 }, | |
21a4ff8e GM |
1887 | /* This has no longname, because using --scriptload confuses sort_args, |
1888 | because then the --script long option seems to match twice; ie | |
1889 | you can't have a long option which is a prefix of another long | |
1890 | option. In any case, this is entirely an internal option. */ | |
1891 | { "-scriptload", NULL, 0, 1 }, | |
fcdeb5d9 RS |
1892 | { "-f", "--funcall", 0, 1 }, |
1893 | { "-funcall", 0, 0, 1 }, | |
575985b1 | 1894 | { "-eval", "--eval", 0, 1 }, |
67a5596f | 1895 | { "-execute", "--execute", 0, 1 }, |
2e13f8e9 RS |
1896 | { "-find-file", "--find-file", 0, 1 }, |
1897 | { "-visit", "--visit", 0, 1 }, | |
67a5596f | 1898 | { "-file", "--file", 0, 1 }, |
fcdeb5d9 | 1899 | { "-insert", "--insert", 0, 1 }, |
edfda783 AR |
1900 | #ifdef HAVE_NS |
1901 | { "-NXOpen", 0, 0, 1 }, | |
1902 | { "-NXOpenTemp", 0, 0, 1 }, | |
1903 | { "-NSOpen", 0, 0, 1 }, | |
1904 | { "-NSOpenTemp", 0, 0, 1 }, | |
1905 | { "-GSFilePath", 0, 0, 1 }, | |
1906 | #endif | |
f2bc3538 | 1907 | /* This should be processed after ordinary file name args and the like. */ |
fcdeb5d9 | 1908 | { "-kill", "--kill", -10, 0 }, |
081bef73 RS |
1909 | }; |
1910 | ||
1911 | /* Reorder the elements of ARGV (assumed to have ARGC elements) | |
1912 | so that the highest priority ones come first. | |
1913 | Do not change the order of elements of equal priority. | |
956e3c7e RS |
1914 | If an option takes an argument, keep it and its argument together. |
1915 | ||
1916 | If an option that takes no argument appears more | |
1917 | than once, eliminate all but one copy of it. */ | |
081bef73 RS |
1918 | |
1919 | static void | |
dd4c5104 | 1920 | sort_args (int argc, char **argv) |
081bef73 RS |
1921 | { |
1922 | char **new = (char **) xmalloc (sizeof (char *) * argc); | |
1923 | /* For each element of argv, | |
1924 | the corresponding element of options is: | |
1925 | 0 for an option that takes no arguments, | |
1926 | 1 for an option that takes one argument, etc. | |
1927 | -1 for an ordinary non-option argument. */ | |
6dad9359 | 1928 | int *options = (int *) xmalloc (sizeof (int) * argc); |
081bef73 RS |
1929 | int *priority = (int *) xmalloc (sizeof (int) * argc); |
1930 | int to = 1; | |
956e3c7e | 1931 | int incoming_used = 1; |
081bef73 RS |
1932 | int from; |
1933 | int i; | |
1934 | ||
1935 | /* Categorize all the options, | |
1936 | and figure out which argv elts are option arguments. */ | |
1937 | for (from = 1; from < argc; from++) | |
1938 | { | |
1939 | options[from] = -1; | |
fcdeb5d9 | 1940 | priority[from] = 0; |
081bef73 RS |
1941 | if (argv[from][0] == '-') |
1942 | { | |
1943 | int match, thislen; | |
1944 | char *equals; | |
1945 | ||
c96f26f4 RS |
1946 | /* If we have found "--", don't consider |
1947 | any more arguments as options. */ | |
249443b6 | 1948 | if (argv[from][1] == '-' && argv[from][2] == 0) |
c96f26f4 RS |
1949 | { |
1950 | /* Leave the "--", and everything following it, at the end. */ | |
1951 | for (; from < argc; from++) | |
1952 | { | |
1953 | priority[from] = -100; | |
1954 | options[from] = -1; | |
1955 | } | |
1956 | break; | |
1957 | } | |
1958 | ||
081bef73 RS |
1959 | /* Look for a match with a known old-fashioned option. */ |
1960 | for (i = 0; i < sizeof (standard_args) / sizeof (standard_args[0]); i++) | |
1961 | if (!strcmp (argv[from], standard_args[i].name)) | |
1962 | { | |
1963 | options[from] = standard_args[i].nargs; | |
1964 | priority[from] = standard_args[i].priority; | |
fd76ec52 RS |
1965 | if (from + standard_args[i].nargs >= argc) |
1966 | fatal ("Option `%s' requires an argument\n", argv[from]); | |
081bef73 RS |
1967 | from += standard_args[i].nargs; |
1968 | goto done; | |
1969 | } | |
1970 | ||
1971 | /* Look for a match with a known long option. | |
1972 | MATCH is -1 if no match so far, -2 if two or more matches so far, | |
1973 | >= 0 (the table index of the match) if just one match so far. */ | |
1974 | if (argv[from][1] == '-') | |
1975 | { | |
1976 | match = -1; | |
1977 | thislen = strlen (argv[from]); | |
1978 | equals = index (argv[from], '='); | |
1979 | if (equals != 0) | |
1980 | thislen = equals - argv[from]; | |
1981 | ||
f609ef57 KH |
1982 | for (i = 0; |
1983 | i < sizeof (standard_args) / sizeof (standard_args[0]); i++) | |
1984 | if (standard_args[i].longname | |
1985 | && !strncmp (argv[from], standard_args[i].longname, | |
1986 | thislen)) | |
081bef73 RS |
1987 | { |
1988 | if (match == -1) | |
1989 | match = i; | |
1990 | else | |
1991 | match = -2; | |
1992 | } | |
1993 | ||
1994 | /* If we found exactly one match, use that. */ | |
1995 | if (match >= 0) | |
1996 | { | |
1997 | options[from] = standard_args[match].nargs; | |
1998 | priority[from] = standard_args[match].priority; | |
1999 | /* If --OPTION=VALUE syntax is used, | |
2000 | this option uses just one argv element. */ | |
2001 | if (equals != 0) | |
2002 | options[from] = 0; | |
fd76ec52 RS |
2003 | if (from + options[from] >= argc) |
2004 | fatal ("Option `%s' requires an argument\n", argv[from]); | |
081bef73 RS |
2005 | from += options[from]; |
2006 | } | |
a09a5b5b GM |
2007 | /* FIXME When match < 0, shouldn't there be some error, |
2008 | or at least indication to the user that there was a | |
2009 | problem? */ | |
081bef73 RS |
2010 | } |
2011 | done: ; | |
2012 | } | |
2013 | } | |
2014 | ||
2015 | /* Copy the arguments, in order of decreasing priority, to NEW. */ | |
2016 | new[0] = argv[0]; | |
956e3c7e | 2017 | while (incoming_used < argc) |
081bef73 RS |
2018 | { |
2019 | int best = -1; | |
2c70c992 | 2020 | int best_priority = -9999; |
081bef73 RS |
2021 | |
2022 | /* Find the highest priority remaining option. | |
2023 | If several have equal priority, take the first of them. */ | |
2024 | for (from = 1; from < argc; from++) | |
2025 | { | |
2026 | if (argv[from] != 0 && priority[from] > best_priority) | |
2027 | { | |
2028 | best_priority = priority[from]; | |
2029 | best = from; | |
2030 | } | |
2031 | /* Skip option arguments--they are tied to the options. */ | |
2032 | if (options[from] > 0) | |
2033 | from += options[from]; | |
2034 | } | |
7db35a48 | 2035 | |
081bef73 RS |
2036 | if (best < 0) |
2037 | abort (); | |
2038 | ||
956e3c7e RS |
2039 | /* Copy the highest priority remaining option, with its args, to NEW. |
2040 | Unless it is a duplicate of the previous one. */ | |
2041 | if (! (options[best] == 0 | |
2042 | && ! strcmp (new[to - 1], argv[best]))) | |
2043 | { | |
2044 | new[to++] = argv[best]; | |
2045 | for (i = 0; i < options[best]; i++) | |
2046 | new[to++] = argv[best + i + 1]; | |
2047 | } | |
2048 | ||
2049 | incoming_used += 1 + (options[best] > 0 ? options[best] : 0); | |
081bef73 RS |
2050 | |
2051 | /* Clear out this option in ARGV. */ | |
2052 | argv[best] = 0; | |
2053 | for (i = 0; i < options[best]; i++) | |
2054 | argv[best + i + 1] = 0; | |
2055 | } | |
2056 | ||
81b7af72 RS |
2057 | /* If duplicate options were deleted, fill up extra space with null ptrs. */ |
2058 | while (to < argc) | |
2059 | new[to++] = 0; | |
2060 | ||
6dad9359 | 2061 | bcopy (new, argv, sizeof (char *) * argc); |
0bf591da | 2062 | |
68db37aa KS |
2063 | xfree (options); |
2064 | xfree (new); | |
2065 | xfree (priority); | |
081bef73 RS |
2066 | } |
2067 | \f | |
f927c5ae | 2068 | DEFUN ("kill-emacs", Fkill_emacs, Skill_emacs, 0, 1, "P", |
7db35a48 PJ |
2069 | doc: /* Exit the Emacs job and kill it. |
2070 | If ARG is an integer, return ARG as the exit program code. | |
b224de9b | 2071 | If ARG is a string, stuff it as keyboard input. |
7db35a48 PJ |
2072 | |
2073 | The value of `kill-emacs-hook', if not void, | |
2074 | is a list of functions (of no args), | |
2075 | all of which are called before Emacs is actually killed. */) | |
2076 | (arg) | |
f927c5ae JB |
2077 | Lisp_Object arg; |
2078 | { | |
f927c5ae JB |
2079 | struct gcpro gcpro1; |
2080 | ||
2081 | GCPRO1 (arg); | |
2082 | ||
2083 | if (feof (stdin)) | |
2084 | arg = Qt; | |
2085 | ||
2447c626 | 2086 | if (!NILP (Vrun_hooks) && !noninteractive) |
f927c5ae JB |
2087 | call1 (Vrun_hooks, intern ("kill-emacs-hook")); |
2088 | ||
f927c5ae JB |
2089 | UNGCPRO; |
2090 | ||
d0068e25 | 2091 | shut_down_emacs (0, 0, STRINGP (arg) ? arg : Qnil); |
40be253a | 2092 | |
58545838 KH |
2093 | /* If we have an auto-save list file, |
2094 | kill it because we are exiting Emacs deliberately (not crashing). | |
2095 | Do it after shut_down_emacs, which does an auto-save. */ | |
2096 | if (STRINGP (Vauto_save_list_file_name)) | |
d5db4077 | 2097 | unlink (SDATA (Vauto_save_list_file_name)); |
58545838 | 2098 | |
fa439170 | 2099 | exit (INTEGERP (arg) ? XINT (arg) : EXIT_SUCCESS); |
f927c5ae | 2100 | /* NOTREACHED */ |
f1145b54 | 2101 | return Qnil; |
f927c5ae | 2102 | } |
40be253a JB |
2103 | |
2104 | ||
2105 | /* Perform an orderly shutdown of Emacs. Autosave any modified | |
2106 | buffers, kill any child processes, clean up the terminal modes (if | |
2107 | we're in the foreground), and other stuff like that. Don't perform | |
2108 | any redisplay; this may be called when Emacs is shutting down in | |
2109 | the background, or after its X connection has died. | |
2110 | ||
2111 | If SIG is a signal number, print a message for it. | |
2112 | ||
2113 | This is called by fatal signal handlers, X protocol error handlers, | |
2114 | and Fkill_emacs. */ | |
f7ab4e3d | 2115 | |
40be253a | 2116 | void |
f7ab4e3d | 2117 | shut_down_emacs (sig, no_x, stuff) |
41423a80 | 2118 | int sig, no_x; |
f7ab4e3d | 2119 | Lisp_Object stuff; |
40be253a | 2120 | { |
829d872b RS |
2121 | /* Prevent running of hooks from now on. */ |
2122 | Vrun_hooks = Qnil; | |
2123 | ||
9db03f6c KS |
2124 | /* Don't update display from now on. */ |
2125 | Vinhibit_redisplay = Qt; | |
2126 | ||
7db35a48 | 2127 | /* If we are controlling the terminal, reset terminal modes. */ |
40be253a JB |
2128 | #ifdef EMACS_HAVE_TTY_PGRP |
2129 | { | |
d04d81d2 RS |
2130 | int pgrp = EMACS_GETPGRP (0); |
2131 | ||
40be253a JB |
2132 | int tpgrp; |
2133 | if (EMACS_GET_TTY_PGRP (0, &tpgrp) != -1 | |
5a570e37 | 2134 | && tpgrp == pgrp) |
40be253a | 2135 | { |
28d440ab | 2136 | reset_all_sys_modes (); |
40be253a | 2137 | if (sig && sig != SIGTERM) |
6b61353c | 2138 | fprintf (stderr, "Fatal error (%d)", sig); |
40be253a JB |
2139 | } |
2140 | } | |
2141 | #else | |
2142 | fflush (stdout); | |
0a125897 | 2143 | reset_all_sys_modes (); |
40be253a JB |
2144 | #endif |
2145 | ||
f7ab4e3d RS |
2146 | stuff_buffered_input (stuff); |
2147 | ||
ba7c29f3 | 2148 | #ifdef subprocesses |
92d835a4 | 2149 | inhibit_sentinels = 1; |
ba7c29f3 | 2150 | #endif |
40be253a JB |
2151 | kill_buffer_processes (Qnil); |
2152 | Fdo_auto_save (Qt, Qnil); | |
2153 | ||
2154 | #ifdef CLASH_DETECTION | |
2155 | unlock_all_files (); | |
2156 | #endif | |
2157 | ||
5e7f8733 | 2158 | #if 0 /* This triggers a bug in XCloseDisplay and is not needed. */ |
41423a80 | 2159 | #ifdef HAVE_X_WINDOWS |
f7511647 | 2160 | /* It's not safe to call intern here. Maybe we are crashing. */ |
2246281f KL |
2161 | if (!noninteractive && SYMBOLP (Vinitial_window_system) |
2162 | && SCHARS (SYMBOL_NAME (Vinitial_window_system)) == 1 | |
2163 | && SREF (SYMBOL_NAME (Vinitial_window_system), 0) == 'x' | |
f7511647 | 2164 | && ! no_x) |
41423a80 RS |
2165 | Fx_close_current_connection (); |
2166 | #endif /* HAVE_X_WINDOWS */ | |
5e7f8733 | 2167 | #endif |
41423a80 | 2168 | |
40be253a JB |
2169 | #ifdef SIGIO |
2170 | /* There is a tendency for a SIGIO signal to arrive within exit, | |
2171 | and cause a SIGHUP because the input descriptor is already closed. */ | |
2172 | unrequest_sigio (); | |
2173 | signal (SIGIO, SIG_IGN); | |
2174 | #endif | |
41f339d4 RS |
2175 | |
2176 | #ifdef WINDOWSNT | |
2177 | term_ntproc (); | |
2178 | #endif | |
d546e578 | 2179 | |
cd8d4168 GM |
2180 | /* Do this only if terminating normally, we want glyph matrices |
2181 | etc. in a core dump. */ | |
200f868e | 2182 | if (sig == 0 || sig == SIGTERM) |
cd8d4168 GM |
2183 | { |
2184 | check_glyph_memory (); | |
2185 | check_message_stack (); | |
2186 | } | |
90d920b6 | 2187 | |
d546e578 EZ |
2188 | #ifdef MSDOS |
2189 | dos_cleanup (); | |
2190 | #endif | |
edfda783 AR |
2191 | |
2192 | #ifdef HAVE_NS | |
2193 | ns_term_shutdown (sig); | |
2194 | #endif | |
40be253a JB |
2195 | } |
2196 | ||
2197 | ||
f927c5ae JB |
2198 | \f |
2199 | #ifndef CANNOT_DUMP | |
f927c5ae | 2200 | |
f927c5ae | 2201 | DEFUN ("dump-emacs", Fdump_emacs, Sdump_emacs, 2, 2, 0, |
7db35a48 PJ |
2202 | doc: /* Dump current state of Emacs into executable file FILENAME. |
2203 | Take symbols from SYMFILE (presumably the file you executed to run Emacs). | |
2204 | This is used in the file `loadup.el' when building Emacs. | |
2205 | ||
2206 | You must run Emacs in batch mode in order to dump it. */) | |
2207 | (filename, symfile) | |
c9aae259 | 2208 | Lisp_Object filename, symfile; |
f927c5ae | 2209 | { |
55697f5b | 2210 | extern char my_edata[]; |
f927c5ae | 2211 | Lisp_Object tem; |
1b7ddf4f | 2212 | Lisp_Object symbol; |
331379bf | 2213 | int count = SPECPDL_INDEX (); |
4fab758d GM |
2214 | |
2215 | check_pure_size (); | |
f927c5ae | 2216 | |
87a98b1a RS |
2217 | if (! noninteractive) |
2218 | error ("Dumping Emacs works only in batch mode"); | |
2219 | ||
848a925e | 2220 | #ifdef GNU_LINUX |
dede2792 JD |
2221 | if (heap_bss_diff > MAX_HEAP_BSS_DIFF) |
2222 | { | |
2223 | fprintf (stderr, "**************************************************\n"); | |
2224 | fprintf (stderr, "Warning: Your system has a gap between BSS and the\n"); | |
e79beb56 | 2225 | fprintf (stderr, "heap (%lu bytes). This usually means that exec-shield\n", |
c37caf9d JD |
2226 | heap_bss_diff); |
2227 | fprintf (stderr, "or something similar is in effect. The dump may\n"); | |
e79beb56 | 2228 | fprintf (stderr, "fail because of this. See the section about\n"); |
c37caf9d | 2229 | fprintf (stderr, "exec-shield in etc/PROBLEMS for more information.\n"); |
dede2792 JD |
2230 | fprintf (stderr, "**************************************************\n"); |
2231 | } | |
848a925e | 2232 | #endif /* GNU_LINUX */ |
dede2792 | 2233 | |
1b7ddf4f RS |
2234 | /* Bind `command-line-processed' to nil before dumping, |
2235 | so that the dumped Emacs will process its command line | |
2236 | and set up to work with X windows if appropriate. */ | |
4aaa3607 | 2237 | symbol = intern ("command-line-processed"); |
1b7ddf4f RS |
2238 | specbind (symbol, Qnil); |
2239 | ||
b7826503 | 2240 | CHECK_STRING (filename); |
c9aae259 EN |
2241 | filename = Fexpand_file_name (filename, Qnil); |
2242 | if (!NILP (symfile)) | |
f927c5ae | 2243 | { |
b7826503 | 2244 | CHECK_STRING (symfile); |
d5db4077 | 2245 | if (SCHARS (symfile)) |
c9aae259 | 2246 | symfile = Fexpand_file_name (symfile, Qnil); |
f927c5ae JB |
2247 | } |
2248 | ||
2249 | tem = Vpurify_flag; | |
2250 | Vpurify_flag = Qnil; | |
2251 | ||
0269dedb RS |
2252 | #ifdef HAVE_TZSET |
2253 | set_time_zone_rule (dump_tz); | |
2254 | #ifndef LOCALTIME_CACHE | |
2255 | /* Force a tz reload, since set_time_zone_rule doesn't. */ | |
2256 | tzset (); | |
2257 | #endif | |
2258 | #endif | |
2259 | ||
f927c5ae | 2260 | fflush (stdout); |
7db35a48 | 2261 | /* Tell malloc where start of impure now is. */ |
f927c5ae JB |
2262 | /* Also arrange for warnings when nearly out of space. */ |
2263 | #ifndef SYSTEM_MALLOC | |
cc5f52cb RS |
2264 | #ifndef WINDOWSNT |
2265 | /* On Windows, this was done before dumping, and that once suffices. | |
2266 | Meanwhile, my_edata is not valid on Windows. */ | |
cb37cf78 | 2267 | memory_warnings (my_edata, malloc_warning); |
cc5f52cb | 2268 | #endif /* not WINDOWSNT */ |
15aaf1b5 | 2269 | #endif |
06ca62eb | 2270 | #if !defined (SYSTEM_MALLOC) && defined (HAVE_GTK_AND_PTHREAD) && !defined SYNC_INPUT |
aa477689 JD |
2271 | /* Pthread may call malloc before main, and then we will get an endless |
2272 | loop, because pthread_self (see alloc.c) calls malloc the first time | |
2273 | it is called on some systems. */ | |
2274 | reset_malloc_hooks (); | |
2275 | #endif | |
15aaf1b5 RS |
2276 | #ifdef DOUG_LEA_MALLOC |
2277 | malloc_state_ptr = malloc_get_state (); | |
f927c5ae | 2278 | #endif |
2b7377ca | 2279 | |
a74c5ec1 | 2280 | #ifdef USE_MMAP_FOR_BUFFERS |
2b7377ca GM |
2281 | mmap_set_vars (0); |
2282 | #endif | |
d5db4077 KR |
2283 | unexec (SDATA (filename), |
2284 | !NILP (symfile) ? SDATA (symfile) : 0, my_edata, 0, 0); | |
a74c5ec1 | 2285 | #ifdef USE_MMAP_FOR_BUFFERS |
2b7377ca GM |
2286 | mmap_set_vars (1); |
2287 | #endif | |
15aaf1b5 RS |
2288 | #ifdef DOUG_LEA_MALLOC |
2289 | free (malloc_state_ptr); | |
2290 | #endif | |
f927c5ae JB |
2291 | |
2292 | Vpurify_flag = tem; | |
2293 | ||
1b7ddf4f | 2294 | return unbind_to (count, Qnil); |
f927c5ae JB |
2295 | } |
2296 | ||
f927c5ae JB |
2297 | #endif /* not CANNOT_DUMP */ |
2298 | \f | |
68c45bf0 PE |
2299 | #if HAVE_SETLOCALE |
2300 | /* Recover from setlocale (LC_ALL, ""). */ | |
2301 | void | |
2302 | fixup_locale () | |
2303 | { | |
68c45bf0 PE |
2304 | /* The Emacs Lisp reader needs LC_NUMERIC to be "C", |
2305 | so that numbers are read and printed properly for Emacs Lisp. */ | |
2306 | setlocale (LC_NUMERIC, "C"); | |
68c45bf0 PE |
2307 | } |
2308 | ||
0c8559bb PE |
2309 | /* Set system locale CATEGORY, with previous locale *PLOCALE, to |
2310 | DESIRED_LOCALE. */ | |
68c45bf0 | 2311 | static void |
dd4c5104 | 2312 | synchronize_locale (int category, Lisp_Object *plocale, Lisp_Object desired_locale) |
68c45bf0 | 2313 | { |
0c8559bb PE |
2314 | if (! EQ (*plocale, desired_locale)) |
2315 | { | |
2316 | *plocale = desired_locale; | |
2317 | setlocale (category, (STRINGP (desired_locale) | |
3b6536b1 | 2318 | ? (char *) SDATA (desired_locale) |
0c8559bb PE |
2319 | : "")); |
2320 | } | |
68c45bf0 PE |
2321 | } |
2322 | ||
ca9c0567 | 2323 | /* Set system time locale to match Vsystem_time_locale, if possible. */ |
68c45bf0 | 2324 | void |
ca9c0567 | 2325 | synchronize_system_time_locale () |
68c45bf0 | 2326 | { |
ca9c0567 PE |
2327 | synchronize_locale (LC_TIME, &Vprevious_system_time_locale, |
2328 | Vsystem_time_locale); | |
68c45bf0 PE |
2329 | } |
2330 | ||
ca9c0567 PE |
2331 | /* Set system messages locale to match Vsystem_messages_locale, if |
2332 | possible. */ | |
68c45bf0 | 2333 | void |
ca9c0567 | 2334 | synchronize_system_messages_locale () |
68c45bf0 PE |
2335 | { |
2336 | #ifdef LC_MESSAGES | |
ca9c0567 PE |
2337 | synchronize_locale (LC_MESSAGES, &Vprevious_system_messages_locale, |
2338 | Vsystem_messages_locale); | |
68c45bf0 PE |
2339 | #endif |
2340 | } | |
2341 | #endif /* HAVE_SETLOCALE */ | |
2342 | \f | |
4b163808 | 2343 | #ifndef SEPCHAR |
f927c5ae JB |
2344 | #define SEPCHAR ':' |
2345 | #endif | |
2346 | ||
2347 | Lisp_Object | |
2348 | decode_env_path (evarname, defalt) | |
2349 | char *evarname, *defalt; | |
2350 | { | |
2351 | register char *path, *p; | |
213d0b1f | 2352 | Lisp_Object lpath, element, tem; |
f927c5ae | 2353 | |
2447c626 JB |
2354 | /* It's okay to use getenv here, because this function is only used |
2355 | to initialize variables when Emacs starts up, and isn't called | |
2356 | after that. */ | |
e065a56e JB |
2357 | if (evarname != 0) |
2358 | path = (char *) getenv (evarname); | |
2359 | else | |
2360 | path = 0; | |
f927c5ae JB |
2361 | if (!path) |
2362 | path = defalt; | |
6a30e6d6 RS |
2363 | #ifdef DOS_NT |
2364 | /* Ensure values from the environment use the proper directory separator. */ | |
2365 | if (path) | |
2366 | { | |
2367 | p = alloca (strlen (path) + 1); | |
2368 | strcpy (p, path); | |
2369 | path = p; | |
2370 | ||
087fc47a | 2371 | dostounix_filename (path); |
6a30e6d6 RS |
2372 | } |
2373 | #endif | |
f927c5ae JB |
2374 | lpath = Qnil; |
2375 | while (1) | |
2376 | { | |
2377 | p = index (path, SEPCHAR); | |
2378 | if (!p) p = path + strlen (path); | |
213d0b1f RS |
2379 | element = (p - path ? make_string (path, p - path) |
2380 | : build_string (".")); | |
2381 | ||
2382 | /* Add /: to the front of the name | |
2383 | if it would otherwise be treated as magic. */ | |
2384 | tem = Ffind_file_name_handler (element, Qt); | |
ca3df2d5 RS |
2385 | |
2386 | /* However, if the handler says "I'm safe", | |
2387 | don't bother adding /:. */ | |
2388 | if (SYMBOLP (tem)) | |
2389 | { | |
2390 | Lisp_Object prop; | |
2391 | prop = Fget (tem, intern ("safe-magic")); | |
2392 | if (! NILP (prop)) | |
2393 | tem = Qnil; | |
2394 | } | |
2395 | ||
213d0b1f RS |
2396 | if (! NILP (tem)) |
2397 | element = concat2 (build_string ("/:"), element); | |
2398 | ||
2399 | lpath = Fcons (element, lpath); | |
f927c5ae JB |
2400 | if (*p) |
2401 | path = p + 1; | |
2402 | else | |
2403 | break; | |
2404 | } | |
2405 | return Fnreverse (lpath); | |
2406 | } | |
2407 | ||
eab2ee89 | 2408 | DEFUN ("daemonp", Fdaemonp, Sdaemonp, 0, 0, 0, |
4ff029f6 DN |
2409 | doc: /* Return non-nil if the current emacs process is a daemon. |
2410 | If the daemon was given a name argument, return that name. */) | |
9d0a6e42 | 2411 | () |
eab2ee89 | 2412 | { |
fc012771 | 2413 | if (IS_DAEMON) |
4ff029f6 DN |
2414 | if (daemon_name) |
2415 | return build_string (daemon_name); | |
2416 | else | |
2417 | return Qt; | |
2418 | else | |
2419 | return Qnil; | |
eab2ee89 DN |
2420 | } |
2421 | ||
5790ef40 | 2422 | DEFUN ("daemon-initialized", Fdaemon_initialized, Sdaemon_initialized, 0, 0, 0, |
fc012771 SM |
2423 | doc: /* Mark the Emacs daemon as being initialized. |
2424 | This finishes the daemonization process by doing the other half of detaching | |
2425 | from the parent process and its tty file descriptors. */) | |
5790ef40 DN |
2426 | () |
2427 | { | |
2428 | int nfd; | |
2429 | ||
fc012771 | 2430 | if (!IS_DAEMON) |
5790ef40 DN |
2431 | error ("This function can only be called if emacs is run as a daemon"); |
2432 | ||
2433 | if (daemon_pipe[1] < 0) | |
2434 | error ("The daemon has already been initialized"); | |
2435 | ||
2436 | if (NILP (Vafter_init_time)) | |
2437 | error ("This function can only be called after loading the init files"); | |
2438 | ||
2439 | /* Get rid of stdin, stdout and stderr. */ | |
29dadb54 | 2440 | nfd = open ("/dev/null", O_RDWR); |
5790ef40 DN |
2441 | dup2 (nfd, 0); |
2442 | dup2 (nfd, 1); | |
2443 | dup2 (nfd, 2); | |
2444 | close (nfd); | |
2445 | ||
fc012771 SM |
2446 | /* Closing the pipe will notify the parent that it can exit. |
2447 | FIXME: In case some other process inherited the pipe, closing it here | |
2448 | won't notify the parent because it's still open elsewhere, so we | |
2449 | additionally send a byte, just to make sure the parent really exits. | |
2450 | Instead, we should probably close the pipe in start-process and | |
2451 | call-process to make sure the pipe is never inherited by | |
2452 | subprocesses. */ | |
2453 | write (daemon_pipe[1], "\n", 1); | |
5790ef40 DN |
2454 | close (daemon_pipe[1]); |
2455 | /* Set it to an invalid value so we know we've already run this function. */ | |
2456 | daemon_pipe[1] = -1; | |
2457 | return Qt; | |
2458 | } | |
2459 | ||
dfcf069d | 2460 | void |
f927c5ae JB |
2461 | syms_of_emacs () |
2462 | { | |
d67b4f80 | 2463 | Qfile_name_handler_alist = intern_c_string ("file-name-handler-alist"); |
213d0b1f RS |
2464 | staticpro (&Qfile_name_handler_alist); |
2465 | ||
83591e66 | 2466 | #ifndef CANNOT_DUMP |
f927c5ae JB |
2467 | defsubr (&Sdump_emacs); |
2468 | #endif | |
2469 | ||
2470 | defsubr (&Skill_emacs); | |
2471 | ||
59653951 | 2472 | defsubr (&Sinvocation_name); |
ace40a69 | 2473 | defsubr (&Sinvocation_directory); |
eab2ee89 | 2474 | defsubr (&Sdaemonp); |
5790ef40 | 2475 | defsubr (&Sdaemon_initialized); |
59653951 | 2476 | |
f927c5ae | 2477 | DEFVAR_LISP ("command-line-args", &Vcommand_line_args, |
2a9d2ed6 RS |
2478 | doc: /* Args passed by shell to Emacs, as a list of strings. |
2479 | Many arguments are deleted from the list as they are processed. */); | |
f927c5ae JB |
2480 | |
2481 | DEFVAR_LISP ("system-type", &Vsystem_type, | |
cf59a374 | 2482 | doc: /* The value is a symbol indicating the type of operating system you are using. |
40a8993a | 2483 | Special values: |
cf59a374 GM |
2484 | `gnu' compiled for a GNU Hurd system. |
2485 | `gnu/linux' compiled for a GNU/Linux system. | |
2486 | `gnu/kfreebsd' compiled for a GNU system with a FreeBSD kernel. | |
2487 | `darwin' compiled for Darwin (GNU-Darwin, Mac OS X, ...). | |
2488 | `ms-dos' compiled as an MS-DOS application. | |
2489 | `windows-nt' compiled as a native W32 application. | |
2490 | `cygwin' compiled using the Cygwin library. | |
2491 | Anything else (in Emacs 23.1, the possibilities are: aix, berkeley-unix, | |
2492 | hpux, irix, lynxos 3.0.1, usg-unix-v) indicates some sort of Unix system. */); | |
d67b4f80 | 2493 | Vsystem_type = intern_c_string (SYSTEM_TYPE); |
f927c5ae | 2494 | |
271c7b7c | 2495 | DEFVAR_LISP ("system-configuration", &Vsystem_configuration, |
7db35a48 PJ |
2496 | doc: /* Value is string indicating configuration Emacs was built for. |
2497 | On MS-Windows, the value reflects the OS flavor and version on which | |
2498 | Emacs is running. */); | |
f7511647 | 2499 | Vsystem_configuration = build_string (EMACS_CONFIGURATION); |
271c7b7c | 2500 | |
f0fc0b1a | 2501 | DEFVAR_LISP ("system-configuration-options", &Vsystem_configuration_options, |
7db35a48 | 2502 | doc: /* String containing the configuration options Emacs was built with. */); |
f0fc0b1a KH |
2503 | Vsystem_configuration_options = build_string (EMACS_CONFIG_OPTIONS); |
2504 | ||
f927c5ae | 2505 | DEFVAR_BOOL ("noninteractive", &noninteractive1, |
7db35a48 | 2506 | doc: /* Non-nil means Emacs is running without interactive terminal. */); |
e5d77022 | 2507 | |
e5d77022 | 2508 | DEFVAR_LISP ("kill-emacs-hook", &Vkill_emacs_hook, |
e79beb56 | 2509 | doc: /* Hook to be run when `kill-emacs' is called. |
d77b70e5 | 2510 | Since `kill-emacs' may be invoked when the terminal is disconnected (or |
7db35a48 PJ |
2511 | in other similar situations), functions placed on this hook should not |
2512 | expect to be able to interact with the user. To ask for confirmation, | |
d77b70e5 MR |
2513 | see `kill-emacs-query-functions' instead. |
2514 | ||
2515 | The hook is not run in batch mode, i.e., if `noninteractive' is non-nil. */); | |
edc8ae07 | 2516 | Vkill_emacs_hook = Qnil; |
3005da00 RS |
2517 | |
2518 | DEFVAR_INT ("emacs-priority", &emacs_priority, | |
7db35a48 PJ |
2519 | doc: /* Priority for Emacs to run at. |
2520 | This value is effective only if set before Emacs is dumped, | |
2521 | and only if the Emacs executable is installed with setuid to permit | |
2522 | it to change priority. (Emacs sets its uid back to the real uid.) | |
2523 | Currently, you need to define SET_EMACS_PRIORITY in `config.h' | |
2524 | before you compile Emacs, to enable the code for this feature. */); | |
e7a9e1c3 | 2525 | emacs_priority = 0; |
074a066b GV |
2526 | |
2527 | DEFVAR_LISP ("path-separator", &Vpath_separator, | |
c7ed3276 EZ |
2528 | doc: /* String containing the character that separates directories in |
2529 | search paths, such as PATH and other similar environment variables. */); | |
074a066b GV |
2530 | { |
2531 | char c = SEPCHAR; | |
2532 | Vpath_separator = make_string (&c, 1); | |
2533 | } | |
59653951 | 2534 | |
f67de86f | 2535 | DEFVAR_LISP ("invocation-name", &Vinvocation_name, |
7db35a48 PJ |
2536 | doc: /* The program name that was used to run Emacs. |
2537 | Any directory names are omitted. */); | |
f67de86f RS |
2538 | |
2539 | DEFVAR_LISP ("invocation-directory", &Vinvocation_directory, | |
7db35a48 PJ |
2540 | doc: /* The directory in which the Emacs executable was found, to run it. |
2541 | The value is nil if that directory's name is not known. */); | |
f67de86f RS |
2542 | |
2543 | DEFVAR_LISP ("installation-directory", &Vinstallation_directory, | |
7db35a48 | 2544 | doc: /* A directory within which to look for the `lib-src' and `etc' directories. |
e58a672c RS |
2545 | This is non-nil when we can't find those directories in their standard |
2546 | installed locations, but we can find them near where the Emacs executable | |
2547 | was found. */); | |
07f4d123 | 2548 | Vinstallation_directory = Qnil; |
68c45bf0 | 2549 | |
ca9c0567 | 2550 | DEFVAR_LISP ("system-messages-locale", &Vsystem_messages_locale, |
7db35a48 | 2551 | doc: /* System locale for messages. */); |
ca9c0567 | 2552 | Vsystem_messages_locale = Qnil; |
68c45bf0 | 2553 | |
ca9c0567 | 2554 | DEFVAR_LISP ("previous-system-messages-locale", |
7db35a48 PJ |
2555 | &Vprevious_system_messages_locale, |
2556 | doc: /* Most recently used system locale for messages. */); | |
ca9c0567 | 2557 | Vprevious_system_messages_locale = Qnil; |
68c45bf0 | 2558 | |
ca9c0567 | 2559 | DEFVAR_LISP ("system-time-locale", &Vsystem_time_locale, |
7db35a48 | 2560 | doc: /* System locale for time. */); |
ca9c0567 | 2561 | Vsystem_time_locale = Qnil; |
68c45bf0 | 2562 | |
ca9c0567 | 2563 | DEFVAR_LISP ("previous-system-time-locale", &Vprevious_system_time_locale, |
7db35a48 | 2564 | doc: /* Most recently used system locale for time. */); |
ca9c0567 | 2565 | Vprevious_system_time_locale = Qnil; |
90503d96 CY |
2566 | |
2567 | DEFVAR_LISP ("before-init-time", &Vbefore_init_time, | |
2568 | doc: /* Value of `current-time' before Emacs begins initialization. */); | |
2569 | Vbefore_init_time = Qnil; | |
2570 | ||
2571 | DEFVAR_LISP ("after-init-time", &Vafter_init_time, | |
2572 | doc: /* Value of `current-time' after loading the init files. | |
2573 | This is nil during initialization. */); | |
2574 | Vafter_init_time = Qnil; | |
fc012771 | 2575 | |
8686ac71 | 2576 | DEFVAR_BOOL ("inhibit-x-resources", &inhibit_x_resources, |
9b68317c | 2577 | doc: /* If non-nil, X resources, Windows Registry settings, and NS defaults are not used. */); |
8686ac71 JB |
2578 | inhibit_x_resources = 0; |
2579 | ||
8c5ff6dd KR |
2580 | DEFVAR_LISP ("emacs-copyright", &Vemacs_copyright, |
2581 | doc: /* Short copyright string for this version of Emacs. */); | |
2582 | Vemacs_copyright = build_string (emacs_copyright); | |
2583 | ||
2584 | DEFVAR_LISP ("emacs-version", &Vemacs_version, | |
2585 | doc: /* Version numbers of this version of Emacs. */); | |
2586 | Vemacs_version = build_string (emacs_version); | |
2587 | ||
fc012771 SM |
2588 | /* Make sure IS_DAEMON starts up as false. */ |
2589 | daemon_pipe[1] = 0; | |
f927c5ae | 2590 | } |
6b61353c KH |
2591 | |
2592 | /* arch-tag: 7bfd356a-c720-4612-8ab6-aa4222931c2e | |
2593 | (do not change this comment) */ |