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 | |
3d608a86 J |
66 | #ifdef HAVE_NS |
67 | #include "nsterm.h" | |
68 | #endif | |
69 | ||
68c45bf0 PE |
70 | #ifdef HAVE_SETLOCALE |
71 | #include <locale.h> | |
72 | #endif | |
73 | ||
53c58b5d RS |
74 | #ifdef HAVE_SETRLIMIT |
75 | #include <sys/time.h> | |
76 | #include <sys/resource.h> | |
77 | #endif | |
78 | ||
dede2792 JD |
79 | #ifdef HAVE_PERSONALITY_LINUX32 |
80 | #include <sys/personality.h> | |
81 | #endif | |
82 | ||
f927c5ae JB |
83 | #ifndef O_RDWR |
84 | #define O_RDWR 2 | |
85 | #endif | |
86 | ||
f95c3f91 | 87 | #ifdef HAVE_SETPGID |
58eb6cf0 | 88 | #if !defined (USG) |
90553aa3 | 89 | #undef setpgrp |
f95c3f91 GM |
90 | #define setpgrp setpgid |
91 | #endif | |
2b7e8799 | 92 | #endif |
f95c3f91 | 93 | |
0e843971 DN |
94 | static const char emacs_copyright[] = "Copyright (C) 2010 Free Software Foundation, Inc."; |
95 | static const char emacs_version[] = "24.0.50"; | |
8c5ff6dd | 96 | |
30aa3f19 GM |
97 | /* Make these values available in GDB, which doesn't see macros. */ |
98 | ||
6b61353c KH |
99 | #ifdef USE_LSB_TAG |
100 | int gdb_use_lsb = 1; | |
101 | #else | |
102 | int gdb_use_lsb = 0; | |
103 | #endif | |
6e5cb96f | 104 | #ifndef USE_LISP_UNION_TYPE |
6b61353c KH |
105 | int gdb_use_union = 0; |
106 | #else | |
107 | int gdb_use_union = 1; | |
108 | #endif | |
30aa3f19 GM |
109 | EMACS_INT gdb_valbits = VALBITS; |
110 | EMACS_INT gdb_gctypebits = GCTYPEBITS; | |
4f7cb96d | 111 | #if defined (DATA_SEG_BITS) && ! defined (USE_LSB_TAG) |
30aa3f19 GM |
112 | EMACS_INT gdb_data_seg_bits = DATA_SEG_BITS; |
113 | #else | |
df50cf6c | 114 | EMACS_INT gdb_data_seg_bits = 0; |
30aa3f19 | 115 | #endif |
00da0e4a | 116 | EMACS_INT PVEC_FLAG = PSEUDOVECTOR_FLAG; |
3fba6ca9 | 117 | EMACS_INT gdb_array_mark_flag = ARRAY_MARK_FLAG; |
6baa02d6 EZ |
118 | /* GDB might say "No enum type named pvec_type" if we don't have at |
119 | least one symbol with that type, and then xbacktrace could fail. */ | |
120 | enum pvec_type gdb_pvec_type = PVEC_TYPE_MASK; | |
30aa3f19 | 121 | |
7db35a48 | 122 | /* Command line args from shell, as list of strings. */ |
f927c5ae JB |
123 | Lisp_Object Vcommand_line_args; |
124 | ||
59653951 JB |
125 | /* The name under which Emacs was invoked, with any leading directory |
126 | names discarded. */ | |
127 | Lisp_Object Vinvocation_name; | |
128 | ||
ace40a69 RS |
129 | /* The directory name from which Emacs was invoked. */ |
130 | Lisp_Object Vinvocation_directory; | |
131 | ||
07f4d123 RS |
132 | /* The directory name in which to find subdirs such as lisp and etc. |
133 | nil means get them only from PATH_LOADSEARCH. */ | |
134 | Lisp_Object Vinstallation_directory; | |
135 | ||
90503d96 CY |
136 | /* The values of `current-time' before and after Emacs initialization. */ |
137 | Lisp_Object Vbefore_init_time, Vafter_init_time; | |
138 | ||
e5d77022 JB |
139 | /* Hook run by `kill-emacs' before it does really anything. */ |
140 | Lisp_Object Vkill_emacs_hook; | |
141 | ||
7e9fa161 JB |
142 | /* Empty lisp strings. To avoid having to build any others. */ |
143 | Lisp_Object empty_unibyte_string, empty_multibyte_string; | |
f9a6326d | 144 | |
074a066b GV |
145 | /* Search path separator. */ |
146 | Lisp_Object Vpath_separator; | |
147 | ||
f927c5ae JB |
148 | /* Set nonzero after Emacs has started up the first time. |
149 | Prevents reinitialization of the Lisp world and keymaps | |
150 | on subsequent starts. */ | |
151 | int initialized; | |
152 | ||
15aaf1b5 RS |
153 | #ifdef DOUG_LEA_MALLOC |
154 | /* Preserves a pointer to the memory allocated that copies that | |
155 | static data inside glibc's malloc. */ | |
156 | void *malloc_state_ptr; | |
157 | /* From glibc, a routine that returns a copy of the malloc internal state. */ | |
dd4c5104 | 158 | extern void *malloc_get_state (void); |
15aaf1b5 | 159 | /* From glibc, a routine that overwrites the malloc internal state. */ |
dd4c5104 | 160 | extern int malloc_set_state (void*); |
768c0c0f | 161 | /* Non-zero if the MALLOC_CHECK_ environment variable was set while |
7c9cd446 AS |
162 | dumping. Used to work around a bug in glibc's malloc. */ |
163 | int malloc_using_checking; | |
15aaf1b5 RS |
164 | #endif |
165 | ||
271c7b7c | 166 | /* Variable whose value is symbol giving operating system type. */ |
f927c5ae | 167 | Lisp_Object Vsystem_type; |
271c7b7c RS |
168 | |
169 | /* Variable whose value is string giving configuration built for. */ | |
170 | Lisp_Object Vsystem_configuration; | |
f0fc0b1a KH |
171 | |
172 | /* Variable whose value is string giving configuration options, | |
173 | for use when reporting bugs. */ | |
174 | Lisp_Object Vsystem_configuration_options; | |
175 | ||
213d0b1f RS |
176 | Lisp_Object Qfile_name_handler_alist; |
177 | ||
68c45bf0 | 178 | /* Current and previous system locales for messages and time. */ |
ca9c0567 PE |
179 | Lisp_Object Vsystem_messages_locale; |
180 | Lisp_Object Vprevious_system_messages_locale; | |
181 | Lisp_Object Vsystem_time_locale; | |
182 | Lisp_Object Vprevious_system_time_locale; | |
68c45bf0 | 183 | |
8c5ff6dd KR |
184 | /* Copyright and version info. The version number may be updated by |
185 | Lisp code. */ | |
186 | Lisp_Object Vemacs_copyright, Vemacs_version; | |
187 | ||
7d0393cf | 188 | /* If non-zero, emacs should not attempt to use a window-specific code, |
7db35a48 | 189 | but instead should use the virtual terminal under which it was started. */ |
f927c5ae JB |
190 | int inhibit_window_system; |
191 | ||
5aa7f46a JB |
192 | /* If nonzero, set Emacs to run at this priority. This is also used |
193 | in child_setup and sys_suspend to make sure subshells run at normal | |
7db35a48 | 194 | priority; those functions have their own extern declaration. */ |
31ade731 | 195 | EMACS_INT emacs_priority; |
3005da00 | 196 | |
7db35a48 PJ |
197 | /* If non-zero, a filter or a sentinel is running. Tested to save the match |
198 | data on the first attempt to change it inside asynchronous code. */ | |
7074fde6 FP |
199 | int running_asynch_code; |
200 | ||
edfda783 | 201 | #if defined(HAVE_X_WINDOWS) || defined(HAVE_NS) |
7db35a48 | 202 | /* If non-zero, -d was specified, meaning we're using some window system. */ |
f927c5ae JB |
203 | int display_arg; |
204 | #endif | |
205 | ||
206 | /* An address near the bottom of the stack. | |
207 | Tells GC how to save a copy of the stack. */ | |
208 | char *stack_bottom; | |
209 | ||
dede2792 JD |
210 | /* The address where the heap starts (from the first sbrk (0) call). */ |
211 | static void *my_heap_start; | |
212 | ||
213 | /* The gap between BSS end and heap start as far as we can tell. */ | |
214 | static unsigned long heap_bss_diff; | |
215 | ||
fd75ddb2 JD |
216 | /* If the gap between BSS end and heap start is larger than this |
217 | output a warning in dump-emacs. */ | |
dede2792 JD |
218 | #define MAX_HEAP_BSS_DIFF (1024*1024) |
219 | ||
f927c5ae JB |
220 | /* Nonzero means running Emacs without interactive terminal. */ |
221 | ||
222 | int noninteractive; | |
223 | ||
224 | /* Value of Lisp variable `noninteractive'. | |
225 | Normally same as C variable `noninteractive' | |
226 | but nothing terrible happens if user sets this one. */ | |
227 | ||
228 | int noninteractive1; | |
e29f86e4 | 229 | |
8686ac71 JB |
230 | /* Nonzero means Emacs was run in --quick mode. */ |
231 | int inhibit_x_resources; | |
232 | ||
4ff029f6 DN |
233 | /* Name for the server started by the daemon.*/ |
234 | static char *daemon_name; | |
eab2ee89 | 235 | |
5790ef40 DN |
236 | /* Pipe used to send exit notification to the daemon parent at |
237 | startup. */ | |
ff808935 | 238 | int daemon_pipe[2]; |
fc012771 | 239 | |
e29f86e4 RS |
240 | /* Save argv and argc. */ |
241 | char **initial_argv; | |
242 | int initial_argc; | |
081bef73 | 243 | |
dd4c5104 DN |
244 | static void sort_args (int argc, char **argv); |
245 | void syms_of_emacs (void); | |
bd4590ba | 246 | |
6b61353c KH |
247 | /* MSVC needs each string be shorter than 2048 bytes, so the usage |
248 | strings below are split to not overflow this limit. */ | |
73ebcd25 | 249 | #define USAGE1 "\ |
bd4590ba GM |
250 | Usage: %s [OPTION-OR-FILENAME]...\n\ |
251 | \n\ | |
252 | Run Emacs, the extensible, customizable, self-documenting real-time\n\ | |
253 | display editor. The recommended way to start Emacs for normal editing\n\ | |
254 | is with no options at all.\n\ | |
255 | \n\ | |
49ca717b | 256 | Run M-x info RET m emacs RET m emacs invocation RET inside Emacs to\n\ |
bd4590ba GM |
257 | read the main documentation for these command-line arguments.\n\ |
258 | \n\ | |
259 | Initialization options:\n\ | |
260 | \n\ | |
6b61353c | 261 | --batch do not do interactive display; implies -q\n\ |
f63d0028 | 262 | --chdir DIR change to directory DIR\n\ |
598898a7 | 263 | --daemon start a server in the background\n\ |
6b61353c KH |
264 | --debug-init enable Emacs Lisp debugger for init file\n\ |
265 | --display, -d DISPLAY use X server DISPLAY\n\ | |
6b61353c KH |
266 | --no-desktop do not load a saved desktop\n\ |
267 | --no-init-file, -q load neither ~/.emacs nor default.el\n\ | |
268 | --no-shared-memory, -nl do not use shared memory\n\ | |
269 | --no-site-file do not load site-start.el\n\ | |
270 | --no-splash do not display a splash screen on startup\n\ | |
2ff86b4e | 271 | --no-window-system, -nw do not communicate with X, ignoring $DISPLAY\n\ |
bae52079 | 272 | --quick, -Q equivalent to -q --no-site-file --no-splash\n\ |
6b61353c KH |
273 | --script FILE run FILE as an Emacs Lisp script\n\ |
274 | --terminal, -t DEVICE use DEVICE for terminal I/O\n\ | |
6b61353c KH |
275 | --user, -u USER load ~USER/.emacs instead of your own\n\ |
276 | \n%s" | |
277 | ||
278 | #define USAGE2 "\ | |
bd4590ba GM |
279 | Action options:\n\ |
280 | \n\ | |
6b61353c | 281 | FILE visit FILE using find-file\n\ |
9020b223 GM |
282 | +LINE go to line LINE in next FILE\n\ |
283 | +LINE:COLUMN go to line LINE, column COLUMN, in next FILE\n\ | |
6b61353c KH |
284 | --directory, -L DIR add DIR to variable load-path\n\ |
285 | --eval EXPR evaluate Emacs Lisp expression EXPR\n\ | |
286 | --execute EXPR evaluate Emacs Lisp expression EXPR\n\ | |
287 | --file FILE visit FILE using find-file\n\ | |
288 | --find-file FILE visit FILE using find-file\n\ | |
289 | --funcall, -f FUNC call Emacs Lisp function FUNC with no arguments\n\ | |
290 | --insert FILE insert contents of FILE into current buffer\n\ | |
291 | --kill exit without asking for confirmation\n\ | |
292 | --load, -l FILE load Emacs Lisp FILE using the load function\n\ | |
293 | --visit FILE visit FILE using find-file\n\ | |
73ebcd25 AI |
294 | \n" |
295 | ||
6b61353c | 296 | #define USAGE3 "\ |
5b2ca26b | 297 | Display options:\n\ |
bd4590ba | 298 | \n\ |
6b61353c | 299 | --background-color, -bg COLOR window background color\n\ |
2ff86b4e NR |
300 | --basic-display, -D disable many display features;\n\ |
301 | used for debugging Emacs\n\ | |
6b61353c KH |
302 | --border-color, -bd COLOR main border color\n\ |
303 | --border-width, -bw WIDTH width of main border\n\ | |
ced74849 | 304 | --color, --color=MODE override color mode for character terminals;\n\ |
6b61353c KH |
305 | MODE defaults to `auto', and can also\n\ |
306 | be `never', `auto', `always',\n\ | |
307 | or a mode name like `ansi8'\n\ | |
308 | --cursor-color, -cr COLOR color of the Emacs cursor indicating point\n\ | |
309 | --font, -fn FONT default font; must be fixed-width\n\ | |
310 | --foreground-color, -fg COLOR window foreground color\n\ | |
311 | --fullheight, -fh make the first frame high as the screen\n\ | |
312 | --fullscreen, -fs make first frame fullscreen\n\ | |
313 | --fullwidth, -fw make the first frame wide as the screen\n\ | |
3f1c6666 | 314 | --maximized, -mm make the first frame maximized\n\ |
6b61353c | 315 | --geometry, -g GEOMETRY window geometry\n\ |
f9e36a6d | 316 | --no-bitmap-icon, -nbi do not use picture of gnu for Emacs icon\n\ |
6b61353c KH |
317 | --iconic start Emacs in iconified state\n\ |
318 | --internal-border, -ib WIDTH width between text and main border\n\ | |
319 | --line-spacing, -lsp PIXELS additional space to put between lines\n\ | |
320 | --mouse-color, -ms COLOR mouse cursor color in Emacs window\n\ | |
321 | --name NAME title for initial Emacs frame\n\ | |
49ca717b | 322 | --no-blinking-cursor, -nbc disable blinking cursor\n\ |
6b61353c KH |
323 | --reverse-video, -r, -rv switch foreground and background\n\ |
324 | --title, -T TITLE title for initial Emacs frame\n\ | |
325 | --vertical-scroll-bars, -vb enable vertical scroll bars\n\ | |
326 | --xrm XRESOURCES set additional X resources\n\ | |
1540a61a | 327 | --parent-id XID set parent window\n\ |
6b61353c KH |
328 | --help display this help and exit\n\ |
329 | --version output version information and exit\n\ | |
07beadff JR |
330 | \n" |
331 | ||
332 | #define USAGE4 "\ | |
bd4590ba GM |
333 | You can generally also specify long option names with a single -; for\n\ |
334 | example, -batch as well as --batch. You can use any unambiguous\n\ | |
335 | abbreviation for a --option.\n\ | |
336 | \n\ | |
337 | Various environment variables and window system resources also affect\n\ | |
338 | Emacs' operation. See the main documentation.\n\ | |
07beadff | 339 | \n\ |
17284745 | 340 | Report bugs to bug-gnu-emacs@gnu.org. First, please see the Bugs\n\ |
bd4590ba GM |
341 | section of the Emacs manual or the file BUGS.\n" |
342 | ||
f927c5ae | 343 | \f |
7db35a48 | 344 | /* Signal code for the fatal signal that was received. */ |
f927c5ae JB |
345 | int fatal_error_code; |
346 | ||
7db35a48 | 347 | /* Nonzero if handling a fatal error already. */ |
f927c5ae JB |
348 | int fatal_error_in_progress; |
349 | ||
7db35a48 | 350 | /* If non-null, call this function from fatal_error_signal before |
4fab758d GM |
351 | committing suicide. */ |
352 | ||
f57e2426 | 353 | void (*fatal_error_signal_hook) (void); |
4fab758d | 354 | |
3e9de9f6 | 355 | #ifdef FORWARD_SIGNAL_TO_MAIN_THREAD |
9e2a2647 DN |
356 | /* When compiled with GTK and running under Gnome, |
357 | multiple threads may be created. Keep track of our main | |
3e9de9f6 | 358 | thread to make sure signals are delivered to it (see syssignal.h). */ |
333f1b6f JD |
359 | |
360 | pthread_t main_thread; | |
361 | #endif | |
362 | ||
4fab758d | 363 | |
7db35a48 | 364 | /* Handle bus errors, invalid instruction, etc. */ |
2447c626 | 365 | SIGTYPE |
dd4c5104 | 366 | fatal_error_signal (int sig) |
f927c5ae | 367 | { |
333f1b6f | 368 | SIGNAL_THREAD_CHECK (sig); |
f927c5ae JB |
369 | fatal_error_code = sig; |
370 | signal (sig, SIG_DFL); | |
371 | ||
061b7f94 RS |
372 | TOTALLY_UNBLOCK_INPUT; |
373 | ||
f927c5ae | 374 | /* If fatal error occurs in code below, avoid infinite recursion. */ |
8090eb09 JB |
375 | if (! fatal_error_in_progress) |
376 | { | |
377 | fatal_error_in_progress = 1; | |
f927c5ae | 378 | |
f63d0028 JD |
379 | if (sig == SIGTERM || sig == SIGHUP) |
380 | Fkill_emacs (make_number (sig)); | |
381 | ||
f7ab4e3d | 382 | shut_down_emacs (sig, 0, Qnil); |
8090eb09 | 383 | } |
f927c5ae | 384 | |
8090eb09 JB |
385 | /* Signal the same code; this time it will really be fatal. |
386 | Remember that since we're in a signal handler, the signal we're | |
387 | going to send is probably blocked, so we have to unblock it if we | |
388 | want to really receive it. */ | |
29b89fe0 | 389 | #ifndef MSDOS |
a90538cb | 390 | sigunblock (sigmask (fatal_error_code)); |
29b89fe0 | 391 | #endif |
4fab758d GM |
392 | |
393 | if (fatal_error_signal_hook) | |
394 | fatal_error_signal_hook (); | |
7db35a48 | 395 | |
f927c5ae | 396 | kill (getpid (), fatal_error_code); |
f927c5ae | 397 | } |
271c7b7c RS |
398 | |
399 | #ifdef SIGDANGER | |
400 | ||
16c323ee | 401 | /* Handler for SIGDANGER. */ |
271c7b7c RS |
402 | SIGTYPE |
403 | memory_warning_signal (sig) | |
404 | int sig; | |
405 | { | |
406 | signal (sig, memory_warning_signal); | |
333f1b6f | 407 | SIGNAL_THREAD_CHECK (sig); |
271c7b7c RS |
408 | |
409 | malloc_warning ("Operating system warns that virtual memory is running low.\n"); | |
55796183 RS |
410 | |
411 | /* It might be unsafe to call do_auto_save now. */ | |
412 | force_auto_save_soon (); | |
271c7b7c RS |
413 | } |
414 | #endif | |
fcf01ad3 RS |
415 | |
416 | /* We define abort, rather than using it from the library, | |
c9fe9cce | 417 | so that GDB can return from a breakpoint here. |
7db35a48 | 418 | MSDOS has its own definition in msdos.c. */ |
fcf01ad3 | 419 | |
37e2fdd2 | 420 | #if ! defined (DOS_NT) && ! defined (NO_ABORT) |
ca9c0567 | 421 | |
4624371d | 422 | void |
d5a3eaaf | 423 | abort (void) |
fcf01ad3 RS |
424 | { |
425 | kill (getpid (), SIGABRT); | |
37e2fdd2 RS |
426 | /* This shouldn't be executed, but it prevents a warning. */ |
427 | exit (1); | |
fcf01ad3 | 428 | } |
c9fe9cce | 429 | #endif |
fcf01ad3 | 430 | |
f927c5ae | 431 | \f |
7db35a48 | 432 | /* Code for dealing with Lisp access to the Unix command line. */ |
f927c5ae | 433 | |
dfcf069d | 434 | static void |
dd4c5104 | 435 | init_cmdargs (int argc, char **argv, int skip_args) |
f927c5ae JB |
436 | { |
437 | register int i; | |
213d0b1f | 438 | Lisp_Object name, dir, tem; |
aed13378 | 439 | int count = SPECPDL_INDEX (); |
213d0b1f | 440 | Lisp_Object raw_name; |
f927c5ae | 441 | |
e29f86e4 RS |
442 | initial_argv = argv; |
443 | initial_argc = argc; | |
444 | ||
213d0b1f RS |
445 | raw_name = build_string (argv[0]); |
446 | ||
447 | /* Add /: to the front of the name | |
448 | if it would otherwise be treated as magic. */ | |
449 | tem = Ffind_file_name_handler (raw_name, Qt); | |
450 | if (! NILP (tem)) | |
451 | raw_name = concat2 (build_string ("/:"), raw_name); | |
452 | ||
453 | Vinvocation_name = Ffile_name_nondirectory (raw_name); | |
454 | Vinvocation_directory = Ffile_name_directory (raw_name); | |
455 | ||
ace40a69 RS |
456 | /* If we got no directory in argv[0], search PATH to find where |
457 | Emacs actually came from. */ | |
458 | if (NILP (Vinvocation_directory)) | |
459 | { | |
460 | Lisp_Object found; | |
461 | int yes = openp (Vexec_path, Vinvocation_name, | |
10c0915e | 462 | Vexec_suffixes, &found, make_number (X_OK)); |
e443f843 | 463 | if (yes == 1) |
213d0b1f RS |
464 | { |
465 | /* Add /: to the front of the name | |
466 | if it would otherwise be treated as magic. */ | |
467 | tem = Ffind_file_name_handler (found, Qt); | |
468 | if (! NILP (tem)) | |
469 | found = concat2 (build_string ("/:"), found); | |
470 | Vinvocation_directory = Ffile_name_directory (found); | |
471 | } | |
ace40a69 | 472 | } |
59653951 | 473 | |
4133b300 RS |
474 | if (!NILP (Vinvocation_directory) |
475 | && NILP (Ffile_name_absolute_p (Vinvocation_directory))) | |
213d0b1f RS |
476 | /* Emacs was started with relative path, like ./emacs. |
477 | Make it absolute. */ | |
4133b300 RS |
478 | Vinvocation_directory = Fexpand_file_name (Vinvocation_directory, Qnil); |
479 | ||
07f4d123 RS |
480 | Vinstallation_directory = Qnil; |
481 | ||
482 | if (!NILP (Vinvocation_directory)) | |
483 | { | |
484 | dir = Vinvocation_directory; | |
485 | name = Fexpand_file_name (Vinvocation_name, dir); | |
486 | while (1) | |
487 | { | |
f5ab9736 | 488 | Lisp_Object tem, lib_src_exists; |
07f4d123 RS |
489 | Lisp_Object etc_exists, info_exists; |
490 | ||
f5ab9736 RS |
491 | /* See if dir contains subdirs for use by Emacs. |
492 | Check for the ones that would exist in a build directory, | |
493 | not including lisp and info. */ | |
494 | tem = Fexpand_file_name (build_string ("lib-src"), dir); | |
495 | lib_src_exists = Ffile_exists_p (tem); | |
de004cc6 | 496 | |
70344b34 | 497 | #ifdef MSDOS |
de004cc6 RS |
498 | /* MSDOS installations frequently remove lib-src, but we still |
499 | must set installation-directory, or else info won't find | |
500 | its files (it uses the value of installation-directory). */ | |
501 | tem = Fexpand_file_name (build_string ("info"), dir); | |
502 | info_exists = Ffile_exists_p (tem); | |
70344b34 EZ |
503 | #else |
504 | info_exists = Qnil; | |
505 | #endif | |
de004cc6 RS |
506 | |
507 | if (!NILP (lib_src_exists) || !NILP (info_exists)) | |
07f4d123 | 508 | { |
f5ab9736 RS |
509 | tem = Fexpand_file_name (build_string ("etc"), dir); |
510 | etc_exists = Ffile_exists_p (tem); | |
511 | if (!NILP (etc_exists)) | |
07f4d123 | 512 | { |
f5ab9736 RS |
513 | Vinstallation_directory |
514 | = Ffile_name_as_directory (dir); | |
515 | break; | |
07f4d123 RS |
516 | } |
517 | } | |
518 | ||
519 | /* See if dir's parent contains those subdirs. */ | |
f5ab9736 RS |
520 | tem = Fexpand_file_name (build_string ("../lib-src"), dir); |
521 | lib_src_exists = Ffile_exists_p (tem); | |
de004cc6 | 522 | |
70344b34 EZ |
523 | |
524 | #ifdef MSDOS | |
525 | /* See the MSDOS commentary above. */ | |
de004cc6 RS |
526 | tem = Fexpand_file_name (build_string ("../info"), dir); |
527 | info_exists = Ffile_exists_p (tem); | |
70344b34 EZ |
528 | #else |
529 | info_exists = Qnil; | |
530 | #endif | |
de004cc6 RS |
531 | |
532 | if (!NILP (lib_src_exists) || !NILP (info_exists)) | |
07f4d123 | 533 | { |
f5ab9736 RS |
534 | tem = Fexpand_file_name (build_string ("../etc"), dir); |
535 | etc_exists = Ffile_exists_p (tem); | |
536 | if (!NILP (etc_exists)) | |
07f4d123 | 537 | { |
f5ab9736 RS |
538 | tem = Fexpand_file_name (build_string (".."), dir); |
539 | Vinstallation_directory | |
540 | = Ffile_name_as_directory (tem); | |
541 | break; | |
07f4d123 RS |
542 | } |
543 | } | |
544 | ||
545 | /* If the Emacs executable is actually a link, | |
546 | next try the dir that the link points into. */ | |
547 | tem = Ffile_symlink_p (name); | |
548 | if (!NILP (tem)) | |
549 | { | |
260ec24d | 550 | name = Fexpand_file_name (tem, dir); |
07f4d123 RS |
551 | dir = Ffile_name_directory (name); |
552 | } | |
553 | else | |
554 | break; | |
555 | } | |
556 | } | |
557 | ||
f927c5ae JB |
558 | Vcommand_line_args = Qnil; |
559 | ||
560 | for (i = argc - 1; i >= 0; i--) | |
561 | { | |
562 | if (i == 0 || i > skip_args) | |
a520393d KH |
563 | /* For the moment, we keep arguments as is in unibyte strings. |
564 | They are decoded in the function command-line after we know | |
565 | locale-coding-system. */ | |
f927c5ae | 566 | Vcommand_line_args |
68db37aa | 567 | = Fcons (make_unibyte_string (argv[i], strlen (argv[i])), |
a520393d | 568 | Vcommand_line_args); |
f927c5ae | 569 | } |
213d0b1f RS |
570 | |
571 | unbind_to (count, Qnil); | |
f927c5ae | 572 | } |
59653951 JB |
573 | |
574 | DEFUN ("invocation-name", Finvocation_name, Sinvocation_name, 0, 0, 0, | |
7db35a48 PJ |
575 | doc: /* Return the program name that was used to run Emacs. |
576 | Any directory names are omitted. */) | |
5842a27b | 577 | (void) |
59653951 JB |
578 | { |
579 | return Fcopy_sequence (Vinvocation_name); | |
580 | } | |
581 | ||
ace40a69 | 582 | DEFUN ("invocation-directory", Finvocation_directory, Sinvocation_directory, |
7db35a48 PJ |
583 | 0, 0, 0, |
584 | doc: /* Return the directory name in which the Emacs executable was located. */) | |
5842a27b | 585 | (void) |
ace40a69 RS |
586 | { |
587 | return Fcopy_sequence (Vinvocation_directory); | |
588 | } | |
589 | ||
f927c5ae | 590 | \f |
0269dedb RS |
591 | #ifdef HAVE_TZSET |
592 | /* A valid but unlikely value for the TZ environment value. | |
593 | It is OK (though a bit slower) if the user actually chooses this value. */ | |
594 | static char dump_tz[] = "UtC0"; | |
595 | #endif | |
596 | ||
a90538cb | 597 | #ifndef ORDINARY_LINK |
efd241cc RS |
598 | /* We don't include crtbegin.o and crtend.o in the link, |
599 | so these functions and variables might be missed. | |
600 | Provide dummy definitions to avoid error. | |
601 | (We don't have any real constructors or destructors.) */ | |
602 | #ifdef __GNUC__ | |
46e65b73 | 603 | #ifndef GCC_CTORS_IN_LIBC |
2e31d424 | 604 | void __do_global_ctors (void) |
efd241cc | 605 | {} |
2e31d424 | 606 | void __do_global_ctors_aux (void) |
c83a7064 | 607 | {} |
2e31d424 | 608 | void __do_global_dtors (void) |
33143604 | 609 | {} |
554061d8 | 610 | /* GNU/Linux has a bug in its library; avoid an error. */ |
8a2a6032 | 611 | #ifndef GNU_LINUX |
c83a7064 | 612 | char * __CTOR_LIST__[2] = { (char *) (-1), 0 }; |
64c1864a | 613 | #endif |
c83a7064 | 614 | char * __DTOR_LIST__[2] = { (char *) (-1), 0 }; |
46e65b73 | 615 | #endif /* GCC_CTORS_IN_LIBC */ |
2e31d424 | 616 | void __main (void) |
efd241cc | 617 | {} |
efd241cc | 618 | #endif /* __GNUC__ */ |
a90538cb | 619 | #endif /* ORDINARY_LINK */ |
efd241cc | 620 | |
e2925360 KH |
621 | /* Test whether the next argument in ARGV matches SSTR or a prefix of |
622 | LSTR (at least MINLEN characters). If so, then if VALPTR is non-null | |
623 | (the argument is supposed to have a value) store in *VALPTR either | |
624 | the next argument or the portion of this one after the equal sign. | |
625 | ARGV is read starting at position *SKIPPTR; this index is advanced | |
626 | by the number of arguments used. | |
627 | ||
628 | Too bad we can't just use getopt for all of this, but we don't have | |
629 | enough information to do it right. */ | |
081bef73 | 630 | |
e2925360 | 631 | static int |
675e2c69 | 632 | argmatch (char **argv, int argc, const char *sstr, const char *lstr, int minlen, char **valptr, int *skipptr) |
e2925360 | 633 | { |
6bbd7a29 | 634 | char *p = NULL; |
e2925360 | 635 | int arglen; |
df6530f8 RS |
636 | char *arg; |
637 | ||
638 | /* Don't access argv[argc]; give up in advance. */ | |
639 | if (argc <= *skipptr + 1) | |
640 | return 0; | |
641 | ||
642 | arg = argv[*skipptr+1]; | |
e2925360 KH |
643 | if (arg == NULL) |
644 | return 0; | |
645 | if (strcmp (arg, sstr) == 0) | |
646 | { | |
647 | if (valptr != NULL) | |
648 | { | |
649 | *valptr = argv[*skipptr+2]; | |
650 | *skipptr += 2; | |
651 | } | |
652 | else | |
653 | *skipptr += 1; | |
654 | return 1; | |
655 | } | |
8966b757 | 656 | arglen = (valptr != NULL && (p = strchr (arg, '=')) != NULL |
e2925360 | 657 | ? p - arg : strlen (arg)); |
c03e1113 | 658 | if (lstr == 0 || arglen < minlen || strncmp (arg, lstr, arglen) != 0) |
e2925360 KH |
659 | return 0; |
660 | else if (valptr == NULL) | |
661 | { | |
662 | *skipptr += 1; | |
663 | return 1; | |
664 | } | |
665 | else if (p != NULL) | |
666 | { | |
667 | *valptr = p+1; | |
668 | *skipptr += 1; | |
669 | return 1; | |
670 | } | |
671 | else if (argv[*skipptr+2] != NULL) | |
672 | { | |
673 | *valptr = argv[*skipptr+2]; | |
674 | *skipptr += 2; | |
675 | return 1; | |
676 | } | |
677 | else | |
678 | { | |
679 | return 0; | |
680 | } | |
681 | } | |
682 | ||
b6779252 | 683 | #ifdef DOUG_LEA_MALLOC |
f927c5ae | 684 | |
b6779252 KH |
685 | /* malloc can be invoked even before main (e.g. by the dynamic |
686 | linker), so the dumped malloc state must be restored as early as | |
687 | possible using this special hook. */ | |
688 | ||
689 | static void | |
dd4c5104 | 690 | malloc_initialize_hook (void) |
b6779252 | 691 | { |
1f9c3929 | 692 | #ifndef USE_CRT_DLL |
b6779252 | 693 | extern char **environ; |
1f9c3929 | 694 | #endif |
6000fe37 | 695 | |
15aaf1b5 RS |
696 | if (initialized) |
697 | { | |
7c9cd446 AS |
698 | if (!malloc_using_checking) |
699 | /* Work around a bug in glibc's malloc. MALLOC_CHECK_ must be | |
700 | ignored if the heap to be restored was constructed without | |
d942e12a AS |
701 | malloc checking. Can't use unsetenv, since that calls malloc. */ |
702 | { | |
703 | char **p; | |
704 | ||
a57c4026 | 705 | for (p = environ; p && *p; p++) |
d942e12a AS |
706 | if (strncmp (*p, "MALLOC_CHECK_=", 14) == 0) |
707 | { | |
708 | do | |
709 | *p = p[1]; | |
710 | while (*++p); | |
711 | break; | |
712 | } | |
713 | } | |
b6779252 | 714 | |
15aaf1b5 | 715 | malloc_set_state (malloc_state_ptr); |
68db37aa | 716 | #ifndef XMALLOC_OVERRUN_CHECK |
15aaf1b5 | 717 | free (malloc_state_ptr); |
68db37aa | 718 | #endif |
15aaf1b5 | 719 | } |
7c9cd446 | 720 | else |
dede2792 JD |
721 | { |
722 | if (my_heap_start == 0) | |
723 | my_heap_start = sbrk (0); | |
724 | malloc_using_checking = getenv ("MALLOC_CHECK_") != NULL; | |
725 | } | |
b6779252 KH |
726 | } |
727 | ||
dd4c5104 | 728 | void (*__malloc_initialize_hook) (void) = malloc_initialize_hook; |
b6779252 KH |
729 | |
730 | #endif /* DOUG_LEA_MALLOC */ | |
731 | ||
d883731c | 732 | |
b6779252 KH |
733 | /* ARGSUSED */ |
734 | int | |
7c2fb837 | 735 | main (int argc, char **argv) |
b6779252 | 736 | { |
2313132f | 737 | #if GC_MARK_STACK |
39ec21ea GM |
738 | Lisp_Object dummy; |
739 | #endif | |
b6779252 | 740 | char stack_bottom_variable; |
68c45bf0 | 741 | int do_initial_setlocale; |
b6779252 | 742 | int skip_args = 0; |
b6779252 KH |
743 | #ifdef HAVE_SETRLIMIT |
744 | struct rlimit rlim; | |
745 | #endif | |
746 | int no_loadup = 0; | |
6e910e07 | 747 | char *junk = 0; |
4ff029f6 | 748 | char *dname_arg = 0; |
b3243e6f AR |
749 | #ifdef NS_IMPL_COCOA |
750 | char dname_arg2[80]; | |
751 | #endif | |
f63d0028 | 752 | char *ch_to_dir; |
b6779252 | 753 | |
2313132f | 754 | #if GC_MARK_STACK |
39ec21ea GM |
755 | stack_base = &dummy; |
756 | #endif | |
757 | ||
a4ef73c8 CY |
758 | #if defined (USE_GTK) && defined (G_SLICE_ALWAYS_MALLOC) |
759 | /* This is used by the Cygwin build. */ | |
760 | setenv ("G_SLICE", "always-malloc", 1); | |
761 | #endif | |
762 | ||
dede2792 JD |
763 | if (!initialized) |
764 | { | |
765 | extern char my_endbss[]; | |
766 | extern char *my_endbss_static; | |
767 | ||
768 | if (my_heap_start == 0) | |
769 | my_heap_start = sbrk (0); | |
770 | ||
771 | heap_bss_diff = (char *)my_heap_start - max (my_endbss, my_endbss_static); | |
772 | } | |
773 | ||
d785cf9e RS |
774 | #ifdef RUN_TIME_REMAP |
775 | if (initialized) | |
776 | run_time_remap (argv[0]); | |
777 | #endif | |
778 | ||
14145fa3 AR |
779 | /* If using unexmacosx.c (set by s/darwin.h), we must do this. */ |
780 | #ifdef DARWIN_OS | |
e0f712ba AC |
781 | if (!initialized) |
782 | unexec_init_emacs_zone (); | |
783 | #endif | |
784 | ||
081bef73 | 785 | sort_args (argc, argv); |
956e3c7e RS |
786 | argc = 0; |
787 | while (argv[argc]) argc++; | |
081bef73 | 788 | |
8c5ff6dd | 789 | if (argmatch (argv, argc, "-version", "--version", 3, NULL, &skip_args)) |
1702afef | 790 | { |
8c5ff6dd KR |
791 | const char *version, *copyright; |
792 | if (initialized) | |
5cf9ca93 | 793 | { |
8c5ff6dd KR |
794 | Lisp_Object tem, tem2; |
795 | tem = Fsymbol_value (intern_c_string ("emacs-version")); | |
796 | tem2 = Fsymbol_value (intern_c_string ("emacs-copyright")); | |
797 | if (!STRINGP (tem)) | |
798 | { | |
799 | fprintf (stderr, "Invalid value of `emacs-version'\n"); | |
800 | exit (1); | |
801 | } | |
802 | if (!STRINGP (tem2)) | |
803 | { | |
804 | fprintf (stderr, "Invalid value of `emacs-copyright'\n"); | |
805 | exit (1); | |
806 | } | |
807 | else | |
808 | { | |
809 | version = SDATA (tem); | |
810 | copyright = SDATA (tem2); | |
811 | } | |
5cf9ca93 | 812 | } |
1702afef RS |
813 | else |
814 | { | |
8c5ff6dd KR |
815 | version = emacs_version; |
816 | copyright = emacs_copyright; | |
1702afef | 817 | } |
8c5ff6dd KR |
818 | printf ("GNU Emacs %s\n", version); |
819 | printf ("%s\n", copyright); | |
820 | printf ("GNU Emacs comes with ABSOLUTELY NO WARRANTY.\n"); | |
821 | printf ("You may redistribute copies of Emacs\n"); | |
822 | printf ("under the terms of the GNU General Public License.\n"); | |
823 | printf ("For more information about these matters, "); | |
824 | printf ("see the file named COPYING.\n"); | |
825 | exit (0); | |
1702afef | 826 | } |
f63d0028 JD |
827 | if (argmatch (argv, argc, "-chdir", "--chdir", 2, &ch_to_dir, &skip_args)) |
828 | if (chdir (ch_to_dir) == -1) | |
829 | { | |
830 | fprintf (stderr, "%s: Can't chdir to %s: %s\n", | |
831 | argv[0], ch_to_dir, strerror (errno)); | |
832 | exit (1); | |
833 | } | |
834 | ||
1702afef | 835 | |
dede2792 | 836 | #ifdef HAVE_PERSONALITY_LINUX32 |
dede2792 JD |
837 | if (!initialized |
838 | && (strcmp (argv[argc-1], "dump") == 0 | |
839 | || strcmp (argv[argc-1], "bootstrap") == 0) | |
fd75ddb2 | 840 | && ! getenv ("EMACS_HEAP_EXEC")) |
dede2792 | 841 | { |
fd75ddb2 JD |
842 | /* Set this so we only do this once. */ |
843 | putenv("EMACS_HEAP_EXEC=true"); | |
711877f3 | 844 | |
fd75ddb2 JD |
845 | /* A flag to turn off address randomization which is introduced |
846 | in linux kernel shipped with fedora core 4 */ | |
711877f3 | 847 | #define ADD_NO_RANDOMIZE 0x0040000 |
fd75ddb2 | 848 | personality (PER_LINUX32 | ADD_NO_RANDOMIZE); |
711877f3 MY |
849 | #undef ADD_NO_RANDOMIZE |
850 | ||
fd75ddb2 | 851 | execvp (argv[0], argv); |
dede2792 | 852 | |
fd75ddb2 JD |
853 | /* If the exec fails, try to dump anyway. */ |
854 | perror ("execvp"); | |
dede2792 JD |
855 | } |
856 | #endif /* HAVE_PERSONALITY_LINUX32 */ | |
857 | ||
ea2acec5 | 858 | #if defined (HAVE_SETRLIMIT) && defined (RLIMIT_STACK) |
6c2935e9 RS |
859 | /* Extend the stack space available. |
860 | Don't do that if dumping, since some systems (e.g. DJGPP) | |
861 | might define a smaller stack limit at that time. */ | |
862 | if (1 | |
863 | #ifndef CANNOT_DUMP | |
864 | && (!noninteractive || initialized) | |
865 | #endif | |
866 | && !getrlimit (RLIMIT_STACK, &rlim)) | |
53c58b5d | 867 | { |
509a8fcd | 868 | long newlim; |
fa8459a3 | 869 | extern size_t re_max_failures; |
03effc23 KH |
870 | /* Approximate the amount regex.c needs per unit of re_max_failures. */ |
871 | int ratio = 20 * sizeof (char *); | |
872 | /* Then add 33% to cover the size of the smaller stacks that regex.c | |
873 | successively allocates and discards, on its way to the maximum. */ | |
874 | ratio += ratio / 3; | |
875 | /* Add in some extra to cover | |
876 | what we're likely to use for other reasons. */ | |
877 | newlim = re_max_failures * ratio + 200000; | |
d0381a7f RS |
878 | #ifdef __NetBSD__ |
879 | /* NetBSD (at least NetBSD 1.2G and former) has a bug in its | |
880 | stack allocation routine for new process that the allocation | |
881 | fails if stack limit is not on page boundary. So, round up the | |
882 | new limit to page boundary. */ | |
883 | newlim = (newlim + getpagesize () - 1) / getpagesize () * getpagesize(); | |
884 | #endif | |
509a8fcd | 885 | if (newlim > rlim.rlim_max) |
6c2935e9 RS |
886 | { |
887 | newlim = rlim.rlim_max; | |
03effc23 KH |
888 | /* Don't let regex.c overflow the stack we have. */ |
889 | re_max_failures = (newlim - 200000) / ratio; | |
6c2935e9 | 890 | } |
509a8fcd RS |
891 | if (rlim.rlim_cur < newlim) |
892 | rlim.rlim_cur = newlim; | |
893 | ||
53c58b5d RS |
894 | setrlimit (RLIMIT_STACK, &rlim); |
895 | } | |
ea2acec5 | 896 | #endif /* HAVE_SETRLIMIT and RLIMIT_STACK */ |
53c58b5d | 897 | |
f927c5ae JB |
898 | /* Record (approximately) where the stack begins. */ |
899 | stack_bottom = &stack_bottom_variable; | |
900 | ||
f927c5ae | 901 | clearerr (stdin); |
9ae8f997 | 902 | |
f927c5ae | 903 | #ifndef SYSTEM_MALLOC |
bf7f4e90 RS |
904 | /* Arrange to get warning messages as memory fills up. */ |
905 | memory_warnings (0, malloc_warning); | |
9ac0d9e0 | 906 | |
f5a3c8c4 AI |
907 | /* Call malloc at least once, to run the initial __malloc_hook. |
908 | Also call realloc and free for consistency. */ | |
909 | free (realloc (malloc (4), 4)); | |
bf7f4e90 | 910 | |
06ca62eb | 911 | # ifndef SYNC_INPUT |
bf7f4e90 RS |
912 | /* Arrange to disable interrupt input inside malloc etc. */ |
913 | uninterrupt_malloc (); | |
06ca62eb | 914 | # endif /* not SYNC_INPUT */ |
f927c5ae JB |
915 | #endif /* not SYSTEM_MALLOC */ |
916 | ||
3e9de9f6 | 917 | #ifdef FORWARD_SIGNAL_TO_MAIN_THREAD |
333f1b6f | 918 | main_thread = pthread_self (); |
3e9de9f6 | 919 | #endif /* FORWARD_SIGNAL_TO_MAIN_THREAD */ |
333f1b6f | 920 | |
edd3ff1d | 921 | #if defined (MSDOS) || defined (WINDOWSNT) |
29b89fe0 RS |
922 | /* We do all file input/output as binary files. When we need to translate |
923 | newlines, we do that manually. */ | |
924 | _fmode = O_BINARY; | |
edd3ff1d | 925 | #endif /* MSDOS || WINDOWSNT */ |
18198bb2 | 926 | |
edd3ff1d | 927 | #ifdef MSDOS |
18198bb2 RS |
928 | if (!isatty (fileno (stdin))) |
929 | setmode (fileno (stdin), O_BINARY); | |
930 | if (!isatty (fileno (stdout))) | |
931 | { | |
932 | fflush (stdout); | |
933 | setmode (fileno (stdout), O_BINARY); | |
934 | } | |
29b89fe0 RS |
935 | #endif /* MSDOS */ |
936 | ||
68c45bf0 PE |
937 | /* Skip initial setlocale if LC_ALL is "C", as it's not needed in that case. |
938 | The build procedure uses this while dumping, to ensure that the | |
939 | dumped Emacs does not have its system locale tables initialized, | |
940 | as that might cause screwups when the dumped Emacs starts up. */ | |
941 | { | |
942 | char *lc_all = getenv ("LC_ALL"); | |
943 | do_initial_setlocale = ! lc_all || strcmp (lc_all, "C"); | |
944 | } | |
945 | ||
946 | /* Set locale now, so that initial error messages are localized properly. | |
947 | fixup_locale must wait until later, since it builds strings. */ | |
948 | if (do_initial_setlocale) | |
949 | setlocale (LC_ALL, ""); | |
950 | ||
f927c5ae JB |
951 | inhibit_window_system = 0; |
952 | ||
7db35a48 | 953 | /* Handle the -t switch, which specifies filename to use as terminal. */ |
956e3c7e RS |
954 | while (1) |
955 | { | |
956 | char *term; | |
957 | if (argmatch (argv, argc, "-t", "--terminal", 4, &term, &skip_args)) | |
958 | { | |
959 | int result; | |
68c45bf0 PE |
960 | emacs_close (0); |
961 | emacs_close (1); | |
962 | result = emacs_open (term, O_RDWR, 0); | |
956e3c7e RS |
963 | if (result < 0) |
964 | { | |
965 | char *errstring = strerror (errno); | |
186486eb | 966 | fprintf (stderr, "%s: %s: %s\n", argv[0], term, errstring); |
956e3c7e RS |
967 | exit (1); |
968 | } | |
969 | dup (0); | |
970 | if (! isatty (0)) | |
971 | { | |
186486eb | 972 | fprintf (stderr, "%s: %s: not a tty\n", argv[0], term); |
956e3c7e RS |
973 | exit (1); |
974 | } | |
975 | fprintf (stderr, "Using %s\n", term); | |
8ba50e1a | 976 | #ifdef HAVE_WINDOW_SYSTEM |
956e3c7e | 977 | inhibit_window_system = 1; /* -t => -nw */ |
f927c5ae | 978 | #endif |
956e3c7e RS |
979 | } |
980 | else | |
981 | break; | |
982 | } | |
983 | ||
400d6fa9 PJ |
984 | /* Command line option --no-windows is deprecated and thus not mentioned |
985 | in the manual and usage informations. */ | |
986 | if (argmatch (argv, argc, "-nw", "--no-window-system", 6, NULL, &skip_args) | |
987 | || argmatch (argv, argc, "-nw", "--no-windows", 6, NULL, &skip_args)) | |
e2925360 | 988 | inhibit_window_system = 1; |
f927c5ae | 989 | |
e2925360 | 990 | /* Handle the -batch switch, which means don't do interactive display. */ |
f927c5ae | 991 | noninteractive = 0; |
df6530f8 | 992 | if (argmatch (argv, argc, "-batch", "--batch", 5, NULL, &skip_args)) |
55f4edbc RS |
993 | { |
994 | noninteractive = 1; | |
995 | Vundo_outer_limit = Qnil; | |
996 | } | |
6e910e07 RS |
997 | if (argmatch (argv, argc, "-script", "--script", 3, &junk, &skip_args)) |
998 | { | |
999 | noninteractive = 1; /* Set batch mode. */ | |
21a4ff8e | 1000 | /* Convert --script to -scriptload, un-skip it, and sort again |
e09b9180 | 1001 | so that it will be handled in proper sequence. */ |
a09a5b5b | 1002 | /* FIXME broken for --script=FILE - is that supposed to work? */ |
21a4ff8e | 1003 | argv[skip_args - 1] = "-scriptload"; |
6e910e07 RS |
1004 | skip_args -= 2; |
1005 | sort_args (argc, argv); | |
1006 | } | |
e2925360 | 1007 | |
7db35a48 | 1008 | /* Handle the --help option, which gives a usage message. */ |
df6530f8 | 1009 | if (argmatch (argv, argc, "-help", "--help", 3, NULL, &skip_args)) |
f927c5ae | 1010 | { |
6b61353c KH |
1011 | printf (USAGE1, argv[0], USAGE2); |
1012 | printf (USAGE3); | |
17284745 | 1013 | printf (USAGE4); |
e2925360 | 1014 | exit (0); |
f927c5ae JB |
1015 | } |
1016 | ||
4ff029f6 DN |
1017 | if (argmatch (argv, argc, "-daemon", "--daemon", 5, NULL, &skip_args) |
1018 | || argmatch (argv, argc, "-daemon", "--daemon", 5, &dname_arg, &skip_args)) | |
eab2ee89 | 1019 | { |
9d29095c | 1020 | #ifndef DOS_NT |
5790ef40 DN |
1021 | pid_t f; |
1022 | ||
1023 | /* Start as a daemon: fork a new child process which will run the | |
1024 | rest of the initialization code, then exit. | |
1025 | ||
fc012771 SM |
1026 | Detaching a daemon requires the following steps: |
1027 | - fork | |
1028 | - setsid | |
1029 | - exit the parent | |
1030 | - close the tty file-descriptors | |
1031 | ||
1032 | We only want to do the last 2 steps once the daemon is ready to | |
1033 | serve requests, i.e. after loading .emacs (initialization). | |
1034 | OTOH initialization may start subprocesses (e.g. ispell) and these | |
1035 | should be run from the proper process (the one that will end up | |
1036 | running as daemon) and with the proper "session id" in order for | |
1037 | them to keep working after detaching, so fork and setsid need to be | |
1038 | performed before initialization. | |
1039 | ||
5790ef40 DN |
1040 | We want to avoid exiting before the server socket is ready, so |
1041 | use a pipe for synchronization. The parent waits for the child | |
1042 | to close its end of the pipe (using `daemon-initialized') | |
1043 | before exiting. */ | |
1044 | if (pipe (daemon_pipe) == -1) | |
1045 | { | |
1046 | fprintf (stderr, "Cannot pipe!\n"); | |
1047 | exit (1); | |
1048 | } | |
1049 | ||
b3243e6f | 1050 | #ifndef NS_IMPL_COCOA |
5790ef40 | 1051 | f = fork (); |
cfa6accb AR |
1052 | #else /* NS_IMPL_COCOA */ |
1053 | /* Under Cocoa we must do fork+exec as CoreFoundation lib fails in | |
1054 | forked process: http://developer.apple.com/ReleaseNotes/ | |
1055 | CoreFoundation/CoreFoundation.html) | |
b3243e6f AR |
1056 | We mark being in the exec'd process by a daemon name argument of |
1057 | form "--daemon=\nFD0,FD1\nNAME" where FD are the pipe file descriptors, | |
1058 | NAME is the original daemon name, if any. */ | |
1059 | if (!dname_arg || !strchr (dname_arg, '\n')) | |
1060 | f = fork (); /* in orig */ | |
1061 | else | |
1062 | f = 0; /* in exec'd */ | |
cfa6accb | 1063 | #endif /* NS_IMPL_COCOA */ |
eab2ee89 | 1064 | if (f > 0) |
5790ef40 DN |
1065 | { |
1066 | int retval; | |
1067 | char buf[1]; | |
1068 | ||
1069 | /* Close unused writing end of the pipe. */ | |
1070 | close (daemon_pipe[1]); | |
1071 | ||
1072 | /* Just wait for the child to close its end of the pipe. */ | |
1073 | do | |
1074 | { | |
1075 | retval = read (daemon_pipe[0], &buf, 1); | |
1076 | } | |
1077 | while (retval == -1 && errno == EINTR); | |
1078 | ||
1079 | if (retval < 0) | |
1080 | { | |
1081 | fprintf (stderr, "Error reading status from child\n"); | |
1082 | exit (1); | |
1083 | } | |
fd95644b DN |
1084 | else if (retval == 0) |
1085 | { | |
1086 | fprintf (stderr, "Error: server did not start correctly\n"); | |
1087 | exit (1); | |
1088 | } | |
5790ef40 DN |
1089 | |
1090 | close (daemon_pipe[0]); | |
1091 | exit (0); | |
1092 | } | |
eab2ee89 DN |
1093 | if (f < 0) |
1094 | { | |
1095 | fprintf (stderr, "Cannot fork!\n"); | |
9d0a6e42 | 1096 | exit (1); |
eab2ee89 DN |
1097 | } |
1098 | ||
b3243e6f AR |
1099 | #ifdef NS_IMPL_COCOA |
1100 | { | |
cfa6accb | 1101 | /* In orig process, forked as child, OR in exec'd. */ |
b3243e6f | 1102 | if (!dname_arg || !strchr (dname_arg, '\n')) |
cfa6accb | 1103 | { /* In orig, child: now exec w/special daemon name. */ |
b3243e6f AR |
1104 | char fdStr[80]; |
1105 | ||
1106 | if (dname_arg && strlen (dname_arg) > 70) | |
1107 | { | |
1108 | fprintf (stderr, "daemon: child name too long\n"); | |
1109 | exit (1); | |
1110 | } | |
1111 | ||
1112 | sprintf (fdStr, "--daemon=\n%d,%d\n%s", daemon_pipe[0], | |
1113 | daemon_pipe[1], dname_arg ? dname_arg : ""); | |
1114 | argv[skip_args] = fdStr; | |
1115 | ||
1116 | execv (argv[0], argv); | |
cff11156 | 1117 | fprintf (stderr, "emacs daemon: exec failed: %d\n", errno); |
b3243e6f AR |
1118 | exit (1); |
1119 | } | |
1120 | ||
cfa6accb | 1121 | /* In exec'd: parse special dname into pipe and name info. */ |
b3243e6f AR |
1122 | if (!dname_arg || !strchr (dname_arg, '\n') |
1123 | || strlen (dname_arg) < 1 || strlen (dname_arg) > 70) | |
1124 | { | |
1125 | fprintf (stderr, "emacs daemon: daemon name absent or too long\n"); | |
1126 | exit(1); | |
1127 | } | |
1128 | dname_arg2[0] = '\0'; | |
1129 | sscanf (dname_arg, "\n%d,%d\n%s", &(daemon_pipe[0]), &(daemon_pipe[1]), | |
1130 | dname_arg2); | |
1131 | dname_arg = strlen (dname_arg2) ? dname_arg2 : NULL; | |
1132 | } | |
cfa6accb | 1133 | #endif /* NS_IMPL_COCOA */ |
b3243e6f | 1134 | |
4ff029f6 DN |
1135 | if (dname_arg) |
1136 | daemon_name = xstrdup (dname_arg); | |
5790ef40 DN |
1137 | /* Close unused reading end of the pipe. */ |
1138 | close (daemon_pipe[0]); | |
7c19d3ae DN |
1139 | /* Make sure that the used end of the pipe is closed on exec, so |
1140 | that it is not accessible to programs started from .emacs. */ | |
1141 | fcntl (daemon_pipe[1], F_SETFD, FD_CLOEXEC); | |
1142 | ||
eab2ee89 DN |
1143 | #ifdef HAVE_SETSID |
1144 | setsid(); | |
1145 | #endif | |
eab2ee89 | 1146 | #else /* DOS_NT */ |
9d29095c DN |
1147 | fprintf (stderr, "This platform does not support the -daemon flag.\n"); |
1148 | exit (1); | |
eab2ee89 | 1149 | #endif /* DOS_NT */ |
9d29095c | 1150 | } |
eab2ee89 | 1151 | |
edb85f59 RS |
1152 | if (! noninteractive) |
1153 | { | |
edb85f59 RS |
1154 | #if defined (USG5) && defined (INTERRUPT_INPUT) |
1155 | setpgrp (); | |
1156 | #endif | |
5467331d YM |
1157 | #if defined (HAVE_GTK_AND_PTHREAD) && !defined (SYSTEM_MALLOC) && !defined (DOUG_LEA_MALLOC) |
1158 | { | |
f57e2426 | 1159 | extern void malloc_enable_thread (void); |
5467331d YM |
1160 | |
1161 | malloc_enable_thread (); | |
1162 | } | |
edb85f59 RS |
1163 | #endif |
1164 | } | |
1165 | ||
fb8e9847 | 1166 | init_signals (); |
fb8e9847 | 1167 | |
1efa2983 KH |
1168 | /* Don't catch SIGHUP if dumping. */ |
1169 | if (1 | |
1170 | #ifndef CANNOT_DUMP | |
1171 | && initialized | |
1172 | #endif | |
1173 | ) | |
1174 | { | |
57e3d22a | 1175 | sigblock (sigmask (SIGHUP)); |
1efa2983 KH |
1176 | /* In --batch mode, don't catch SIGHUP if already ignored. |
1177 | That makes nohup work. */ | |
1178 | if (! noninteractive | |
1179 | || signal (SIGHUP, SIG_IGN) != SIG_IGN) | |
1180 | signal (SIGHUP, fatal_error_signal); | |
57e3d22a | 1181 | sigunblock (sigmask (SIGHUP)); |
1efa2983 KH |
1182 | } |
1183 | ||
f927c5ae JB |
1184 | if ( |
1185 | #ifndef CANNOT_DUMP | |
1186 | ! noninteractive || initialized | |
1187 | #else | |
1188 | 1 | |
1189 | #endif | |
1190 | ) | |
1191 | { | |
1efa2983 | 1192 | /* Don't catch these signals in batch mode if dumping. |
f927c5ae JB |
1193 | On some machines, this sets static data that would make |
1194 | signal fail to work right when the dumped Emacs is run. */ | |
f927c5ae JB |
1195 | signal (SIGQUIT, fatal_error_signal); |
1196 | signal (SIGILL, fatal_error_signal); | |
1197 | signal (SIGTRAP, fatal_error_signal); | |
7317d9e8 | 1198 | #ifdef SIGUSR1 |
71b28d05 | 1199 | add_user_signal (SIGUSR1, "sigusr1"); |
7317d9e8 | 1200 | #endif |
8247c60d | 1201 | #ifdef SIGUSR2 |
71b28d05 | 1202 | add_user_signal (SIGUSR2, "sigusr2"); |
7317d9e8 | 1203 | #endif |
99e372cd RS |
1204 | #ifdef SIGABRT |
1205 | signal (SIGABRT, fatal_error_signal); | |
1206 | #endif | |
1207 | #ifdef SIGHWE | |
1208 | signal (SIGHWE, fatal_error_signal); | |
1209 | #endif | |
1210 | #ifdef SIGPRE | |
1211 | signal (SIGPRE, fatal_error_signal); | |
1212 | #endif | |
1213 | #ifdef SIGORE | |
1214 | signal (SIGORE, fatal_error_signal); | |
1215 | #endif | |
1216 | #ifdef SIGUME | |
1217 | signal (SIGUME, fatal_error_signal); | |
1218 | #endif | |
1219 | #ifdef SIGDLK | |
1220 | signal (SIGDLK, fatal_error_signal); | |
1221 | #endif | |
1222 | #ifdef SIGCPULIM | |
1223 | signal (SIGCPULIM, fatal_error_signal); | |
1224 | #endif | |
a90538cb JB |
1225 | #ifdef SIGIOT |
1226 | /* This is missing on some systems - OS/2, for example. */ | |
f927c5ae | 1227 | signal (SIGIOT, fatal_error_signal); |
a90538cb | 1228 | #endif |
f927c5ae JB |
1229 | #ifdef SIGEMT |
1230 | signal (SIGEMT, fatal_error_signal); | |
1231 | #endif | |
1232 | signal (SIGFPE, fatal_error_signal); | |
00eaaa32 | 1233 | #ifdef SIGBUS |
f927c5ae | 1234 | signal (SIGBUS, fatal_error_signal); |
00eaaa32 | 1235 | #endif |
f927c5ae | 1236 | signal (SIGSEGV, fatal_error_signal); |
00eaaa32 | 1237 | #ifdef SIGSYS |
f927c5ae | 1238 | signal (SIGSYS, fatal_error_signal); |
00eaaa32 | 1239 | #endif |
f927c5ae JB |
1240 | signal (SIGTERM, fatal_error_signal); |
1241 | #ifdef SIGXCPU | |
1242 | signal (SIGXCPU, fatal_error_signal); | |
1243 | #endif | |
1244 | #ifdef SIGXFSZ | |
1245 | signal (SIGXFSZ, fatal_error_signal); | |
1246 | #endif /* SIGXFSZ */ | |
1247 | ||
271c7b7c RS |
1248 | #ifdef SIGDANGER |
1249 | /* This just means available memory is getting low. */ | |
1250 | signal (SIGDANGER, memory_warning_signal); | |
1251 | #endif | |
1252 | ||
f927c5ae | 1253 | #ifdef AIX |
56e034fa RS |
1254 | /* 20 is SIGCHLD, 21 is SIGTTIN, 22 is SIGTTOU. */ |
1255 | signal (SIGXCPU, fatal_error_signal); | |
f927c5ae JB |
1256 | signal (SIGIOINT, fatal_error_signal); |
1257 | signal (SIGGRANT, fatal_error_signal); | |
1258 | signal (SIGRETRACT, fatal_error_signal); | |
1259 | signal (SIGSOUND, fatal_error_signal); | |
1260 | signal (SIGMSG, fatal_error_signal); | |
1261 | #endif /* AIX */ | |
1262 | } | |
1263 | ||
1264 | noninteractive1 = noninteractive; | |
1265 | ||
7db35a48 | 1266 | /* Perform basic initializations (not merely interning symbols). */ |
f927c5ae JB |
1267 | |
1268 | if (!initialized) | |
1269 | { | |
1270 | init_alloc_once (); | |
1271 | init_obarray (); | |
1272 | init_eval_once (); | |
e37d7195 | 1273 | init_character_once (); |
270ce821 KH |
1274 | init_charset_once (); |
1275 | init_coding_once (); | |
f927c5ae | 1276 | init_syntax_once (); /* Create standard syntax table. */ |
270ce821 | 1277 | init_category_once (); /* Create standard category table. */ |
7db35a48 | 1278 | /* Must be done before init_buffer. */ |
f927c5ae | 1279 | init_casetab_once (); |
7db35a48 PJ |
1280 | init_buffer_once (); /* Create buffer table and some buffers. */ |
1281 | init_minibuf_once (); /* Create list of minibuffers. */ | |
1282 | /* Must precede init_window_once. */ | |
1283 | ||
90d920b6 GM |
1284 | /* Call syms_of_xfaces before init_window_once because that |
1285 | function creates Vterminal_frame. Termcap frames now use | |
1286 | faces, and the face implementation uses some symbols as | |
1287 | face names. */ | |
90d920b6 | 1288 | syms_of_xfaces (); |
4ea81208 KL |
1289 | /* XXX syms_of_keyboard uses some symbols in keymap.c. It would |
1290 | be better to arrange things not to have this dependency. */ | |
1291 | syms_of_keymap (); | |
7a18af49 KR |
1292 | /* Call syms_of_keyboard before init_window_once because |
1293 | keyboard sets up symbols that include some face names that | |
1294 | the X support will want to use. This can happen when | |
1295 | CANNOT_DUMP is defined. */ | |
1296 | syms_of_keyboard (); | |
90d920b6 | 1297 | |
985773c9 MB |
1298 | /* Called before syms_of_fileio, because it sets up Qerror_condition. */ |
1299 | syms_of_data (); | |
1300 | syms_of_fileio (); | |
1301 | /* Before syms_of_coding to initialize Vgc_cons_threshold. */ | |
1302 | syms_of_alloc (); | |
1303 | /* Before syms_of_coding because it initializes Qcharsetp. */ | |
1304 | syms_of_charset (); | |
1305 | /* Before init_window_once, because it sets up the | |
1306 | Vcoding_system_hash_table. */ | |
1307 | syms_of_coding (); /* This should be after syms_of_fileio. */ | |
1a578e9b | 1308 | |
7db35a48 | 1309 | init_window_once (); /* Init the window system. */ |
6b61353c KH |
1310 | #ifdef HAVE_WINDOW_SYSTEM |
1311 | init_fringe_once (); /* Swap bitmaps if necessary. */ | |
1312 | #endif /* HAVE_WINDOW_SYSTEM */ | |
f927c5ae JB |
1313 | } |
1314 | ||
1315 | init_alloc (); | |
68c45bf0 PE |
1316 | |
1317 | if (do_initial_setlocale) | |
1318 | { | |
1319 | fixup_locale (); | |
ca9c0567 PE |
1320 | Vsystem_messages_locale = Vprevious_system_messages_locale; |
1321 | Vsystem_time_locale = Vprevious_system_time_locale; | |
68c45bf0 PE |
1322 | } |
1323 | ||
f927c5ae JB |
1324 | init_eval (); |
1325 | init_data (); | |
ad067ea6 | 1326 | #ifdef CLASH_DETECTION |
01f67d2c | 1327 | init_filelock (); |
ad067ea6 | 1328 | #endif |
ab5d0358 | 1329 | init_atimer (); |
7074fde6 | 1330 | running_asynch_code = 0; |
0e956009 | 1331 | |
a08a816a RS |
1332 | /* Handle --unibyte and the EMACS_UNIBYTE envvar, |
1333 | but not while dumping. */ | |
e721aa94 | 1334 | if (1) |
a08a816a RS |
1335 | { |
1336 | int inhibit_unibyte = 0; | |
1337 | ||
1338 | /* --multibyte overrides EMACS_UNIBYTE. */ | |
1339 | if (argmatch (argv, argc, "-no-unibyte", "--no-unibyte", 4, NULL, &skip_args) | |
e721aa94 SM |
1340 | || argmatch (argv, argc, "-multibyte", "--multibyte", 4, NULL, &skip_args) |
1341 | /* Ignore EMACS_UNIBYTE before dumping. */ | |
1342 | || (!initialized && noninteractive)) | |
a08a816a RS |
1343 | inhibit_unibyte = 1; |
1344 | ||
1345 | /* --unibyte requests that we set up to do everything with single-byte | |
1346 | buffers and strings. We need to handle this before calling | |
1347 | init_lread, init_editfns and other places that generate Lisp strings | |
1348 | from text in the environment. */ | |
c0218e1b DL |
1349 | /* Actually this shouldn't be needed as of 20.4 in a generally |
1350 | unibyte environment. As handa says, environment values | |
1351 | aren't now decoded; also existing buffers are now made | |
1352 | unibyte during startup if .emacs sets unibyte. Tested with | |
1353 | 8-bit data in environment variables and /etc/passwd, setting | |
7db35a48 | 1354 | unibyte and Latin-1 in .emacs. -- Dave Love */ |
a08a816a RS |
1355 | if (argmatch (argv, argc, "-unibyte", "--unibyte", 4, NULL, &skip_args) |
1356 | || argmatch (argv, argc, "-no-multibyte", "--no-multibyte", 4, NULL, &skip_args) | |
1357 | || (getenv ("EMACS_UNIBYTE") && !inhibit_unibyte)) | |
1358 | { | |
1359 | Lisp_Object old_log_max; | |
1360 | Lisp_Object symbol, tail; | |
1361 | ||
d67b4f80 | 1362 | symbol = intern_c_string ("enable-multibyte-characters"); |
82e98df4 | 1363 | Fset_default (symbol, Qnil); |
a08a816a | 1364 | |
6524291c KH |
1365 | if (initialized) |
1366 | { | |
1367 | /* Erase pre-dump messages in *Messages* now so no abort. */ | |
1368 | old_log_max = Vmessage_log_max; | |
1369 | XSETFASTINT (Vmessage_log_max, 0); | |
1370 | message_dolog ("", 0, 1, 0); | |
1371 | Vmessage_log_max = old_log_max; | |
1372 | } | |
a08a816a | 1373 | |
3e75bb9e | 1374 | for (tail = Vbuffer_alist; CONSP (tail); |
7539e11f | 1375 | tail = XCDR (tail)) |
a08a816a RS |
1376 | { |
1377 | Lisp_Object buffer; | |
1378 | ||
7539e11f | 1379 | buffer = Fcdr (XCAR (tail)); |
8f924df7 | 1380 | /* Make a multibyte buffer unibyte. */ |
f2b89e21 KH |
1381 | if (BUF_Z_BYTE (XBUFFER (buffer)) > BUF_Z (XBUFFER (buffer))) |
1382 | { | |
1383 | struct buffer *current = current_buffer; | |
1384 | ||
1385 | set_buffer_temp (XBUFFER (buffer)); | |
8f924df7 | 1386 | Fset_buffer_multibyte (Qnil); |
f2b89e21 KH |
1387 | set_buffer_temp (current); |
1388 | } | |
a08a816a | 1389 | } |
82e98df4 | 1390 | message ("Warning: unibyte sessions are obsolete and will disappear"); |
a08a816a RS |
1391 | } |
1392 | } | |
1393 | ||
956e3c7e | 1394 | no_loadup |
b96f9fb7 | 1395 | = argmatch (argv, argc, "-nl", "--no-loadup", 6, NULL, &skip_args); |
956e3c7e | 1396 | |
edfda783 AR |
1397 | #ifdef HAVE_NS |
1398 | ns_alloc_autorelease_pool(); | |
1399 | if (!noninteractive) | |
1400 | { | |
edfda783 AR |
1401 | #ifdef NS_IMPL_COCOA |
1402 | if (skip_args < argc) | |
1403 | { | |
1404 | if (!strncmp(argv[skip_args], "-psn", 4)) | |
1405 | { | |
1406 | skip_args += 1; | |
3d0a4431 | 1407 | chdir (getenv ("HOME")); |
edfda783 | 1408 | } |
95889848 | 1409 | else if (skip_args+1 < argc && !strncmp(argv[skip_args+1], "-psn", 4)) |
edfda783 | 1410 | { |
95889848 | 1411 | skip_args += 2; |
3d0a4431 | 1412 | chdir (getenv ("HOME")); |
edfda783 AR |
1413 | } |
1414 | } | |
9b68317c | 1415 | #endif /* COCOA */ |
edfda783 AR |
1416 | } |
1417 | #endif /* HAVE_NS */ | |
1418 | ||
956e3c7e RS |
1419 | #ifdef HAVE_X_WINDOWS |
1420 | /* Stupid kludge to catch command-line display spec. We can't | |
1421 | handle this argument entirely in window system dependent code | |
1422 | because we don't even know which window system dependent code | |
1423 | to run until we've recognized this argument. */ | |
1424 | { | |
1425 | char *displayname = 0; | |
956e3c7e RS |
1426 | int count_before = skip_args; |
1427 | ||
1428 | /* Skip any number of -d options, but only use the last one. */ | |
1429 | while (1) | |
1430 | { | |
1431 | int count_before_this = skip_args; | |
1432 | ||
1433 | if (argmatch (argv, argc, "-d", "--display", 3, &displayname, &skip_args)) | |
1434 | display_arg = 1; | |
1435 | else if (argmatch (argv, argc, "-display", 0, 3, &displayname, &skip_args)) | |
1436 | display_arg = 1; | |
1437 | else | |
1438 | break; | |
1439 | ||
1440 | count_before = count_before_this; | |
1441 | } | |
1442 | ||
1443 | /* If we have the form --display=NAME, | |
1444 | convert it into -d name. | |
1445 | This requires inserting a new element into argv. */ | |
1446 | if (displayname != 0 && skip_args - count_before == 1) | |
1447 | { | |
1448 | char **new = (char **) xmalloc (sizeof (char *) * (argc + 2)); | |
1449 | int j; | |
1450 | ||
1451 | for (j = 0; j < count_before + 1; j++) | |
1452 | new[j] = argv[j]; | |
1453 | new[count_before + 1] = "-d"; | |
1454 | new[count_before + 2] = displayname; | |
1455 | for (j = count_before + 2; j <argc; j++) | |
1456 | new[j + 1] = argv[j]; | |
1457 | argv = new; | |
1458 | argc++; | |
1459 | } | |
1460 | /* Change --display to -d, when its arg is separate. */ | |
1461 | else if (displayname != 0 && skip_args > count_before | |
1462 | && argv[count_before + 1][1] == '-') | |
1463 | argv[count_before + 1] = "-d"; | |
1464 | ||
1465 | /* Don't actually discard this arg. */ | |
1466 | skip_args = count_before; | |
1467 | } | |
1468 | #endif | |
1469 | ||
1470 | /* argmatch must not be used after here, | |
1471 | except when bulding temacs | |
1472 | because the -d argument has not been skipped in skip_args. */ | |
1473 | ||
29b89fe0 RS |
1474 | #ifdef MSDOS |
1475 | /* Call early 'cause init_environment needs it. */ | |
1476 | init_dosfns (); | |
1477 | /* Set defaults for several environment variables. */ | |
18198bb2 RS |
1478 | if (initialized) |
1479 | init_environment (argc, argv, skip_args); | |
1480 | else | |
d1fc6752 | 1481 | tzset (); |
18198bb2 | 1482 | #endif /* MSDOS */ |
29b89fe0 | 1483 | |
8ba50e1a | 1484 | #ifdef WINDOWSNT |
9785d95b | 1485 | globals_of_w32 (); |
8ba50e1a | 1486 | /* Initialize environment from registry settings. */ |
a3a58294 | 1487 | init_environment (argv); |
7db35a48 | 1488 | init_ntproc (); /* must precede init_editfns. */ |
8ba50e1a GV |
1489 | #endif |
1490 | ||
edfda783 AR |
1491 | #ifdef HAVE_NS |
1492 | #ifndef CANNOT_DUMP | |
1493 | if (initialized) | |
1494 | #endif | |
1495 | ns_init_paths (); | |
1496 | #endif | |
1497 | ||
8b4eb796 KR |
1498 | /* Initialize and GC-protect Vinitial_environment and |
1499 | Vprocess_environment before set_initial_environment fills them | |
1500 | in. */ | |
1501 | if (!initialized) | |
1502 | syms_of_callproc (); | |
0e956009 JB |
1503 | /* egetenv is a pretty low-level facility, which may get called in |
1504 | many circumstances; it seems flimsy to put off initializing it | |
1505 | until calling init_callproc. */ | |
a13f8f50 | 1506 | set_initial_environment (); |
93aed04d | 1507 | /* AIX crashes are reported in system versions 3.2.3 and 3.2.4 |
5990851d KL |
1508 | if this is not done. Do it after set_global_environment so that we |
1509 | don't pollute Vglobal_environment. */ | |
fa09a82d | 1510 | /* Setting LANG here will defeat the startup locale processing... */ |
f2a77c3a | 1511 | #ifdef AIX |
93aed04d RS |
1512 | putenv ("LANG=C"); |
1513 | #endif | |
0e956009 | 1514 | |
7db35a48 | 1515 | init_buffer (); /* Init default directory of main buffer. */ |
ace40a69 | 1516 | |
7928f0b5 | 1517 | init_callproc_1 (); /* Must precede init_cmdargs and init_sys_modes. */ |
ace40a69 | 1518 | init_cmdargs (argc, argv, skip_args); /* Must precede init_lread. */ |
380e25b8 RS |
1519 | |
1520 | if (initialized) | |
1521 | { | |
7db35a48 | 1522 | /* Erase any pre-dump messages in the message log, to avoid confusion. */ |
380e25b8 RS |
1523 | Lisp_Object old_log_max; |
1524 | old_log_max = Vmessage_log_max; | |
1525 | XSETFASTINT (Vmessage_log_max, 0); | |
f6fe7bb5 | 1526 | message_dolog ("", 0, 1, 0); |
380e25b8 RS |
1527 | Vmessage_log_max = old_log_max; |
1528 | } | |
1529 | ||
7928f0b5 | 1530 | init_callproc (); /* Must follow init_cmdargs but not init_sys_modes. */ |
fb8e9847 | 1531 | init_lread (); |
f927c5ae | 1532 | |
8bb697c0 RS |
1533 | /* Intern the names of all standard functions and variables; |
1534 | define standard keys. */ | |
f927c5ae JB |
1535 | |
1536 | if (!initialized) | |
1537 | { | |
4230ab74 KR |
1538 | /* The basic levels of Lisp must come first. Note that |
1539 | syms_of_data and some others have already been called. */ | |
e37d7195 | 1540 | syms_of_chartab (); |
fb8e9847 | 1541 | syms_of_lread (); |
f927c5ae JB |
1542 | syms_of_print (); |
1543 | syms_of_eval (); | |
1544 | syms_of_fns (); | |
f927c5ae | 1545 | syms_of_floatfns (); |
f927c5ae | 1546 | |
f927c5ae JB |
1547 | syms_of_buffer (); |
1548 | syms_of_bytecode (); | |
1549 | syms_of_callint (); | |
1550 | syms_of_casefiddle (); | |
1551 | syms_of_casetab (); | |
270ce821 KH |
1552 | syms_of_category (); |
1553 | syms_of_ccl (); | |
e37d7195 | 1554 | syms_of_character (); |
f927c5ae | 1555 | syms_of_cmds (); |
f927c5ae | 1556 | syms_of_dired (); |
f927c5ae JB |
1557 | syms_of_display (); |
1558 | syms_of_doc (); | |
1559 | syms_of_editfns (); | |
1560 | syms_of_emacs (); | |
f927c5ae JB |
1561 | #ifdef CLASH_DETECTION |
1562 | syms_of_filelock (); | |
1563 | #endif /* CLASH_DETECTION */ | |
1564 | syms_of_indent (); | |
c2c5ed2c | 1565 | syms_of_insdel (); |
4ea81208 | 1566 | /* syms_of_keymap (); */ |
f927c5ae JB |
1567 | syms_of_macros (); |
1568 | syms_of_marker (); | |
1569 | syms_of_minibuf (); | |
f927c5ae | 1570 | syms_of_process (); |
f927c5ae | 1571 | syms_of_search (); |
1cbd5d9d | 1572 | syms_of_frame (); |
f927c5ae | 1573 | syms_of_syntax (); |
ed8dad6b | 1574 | syms_of_terminal (); |
0d934e7b | 1575 | syms_of_term (); |
f927c5ae | 1576 | syms_of_undo (); |
90d920b6 GM |
1577 | #ifdef HAVE_SOUND |
1578 | syms_of_sound (); | |
1579 | #endif | |
bef79ee4 | 1580 | syms_of_textprop (); |
9d100795 | 1581 | syms_of_composite (); |
05687c54 RS |
1582 | #ifdef WINDOWSNT |
1583 | syms_of_ntproc (); | |
1584 | #endif /* WINDOWSNT */ | |
f927c5ae JB |
1585 | syms_of_window (); |
1586 | syms_of_xdisp (); | |
d53f587b | 1587 | syms_of_font (); |
4fa9161d | 1588 | #ifdef HAVE_WINDOW_SYSTEM |
6b61353c KH |
1589 | syms_of_fringe (); |
1590 | syms_of_image (); | |
1591 | #endif /* HAVE_WINDOW_SYSTEM */ | |
f927c5ae | 1592 | #ifdef HAVE_X_WINDOWS |
72412588 | 1593 | syms_of_xterm (); |
f927c5ae | 1594 | syms_of_xfns (); |
edfda783 | 1595 | syms_of_xmenu (); |
270ce821 | 1596 | syms_of_fontset (); |
637fa988 | 1597 | syms_of_xsettings (); |
28b1b672 JD |
1598 | #ifdef HAVE_X_SM |
1599 | syms_of_xsmfns (); | |
1600 | #endif | |
72412588 JB |
1601 | #ifdef HAVE_X11 |
1602 | syms_of_xselect (); | |
1603 | #endif | |
f927c5ae JB |
1604 | #endif /* HAVE_X_WINDOWS */ |
1605 | ||
4e77ce60 | 1606 | syms_of_menu (); |
4e77ce60 | 1607 | |
8ba50e1a | 1608 | #ifdef HAVE_NTGUI |
fbd6baed GV |
1609 | syms_of_w32term (); |
1610 | syms_of_w32fns (); | |
fbd6baed GV |
1611 | syms_of_w32select (); |
1612 | syms_of_w32menu (); | |
02062ac3 | 1613 | syms_of_fontset (); |
8ba50e1a GV |
1614 | #endif /* HAVE_NTGUI */ |
1615 | ||
40da1153 EZ |
1616 | #ifdef MSDOS |
1617 | syms_of_xmenu (); | |
2e31d424 DN |
1618 | syms_of_dosfns(); |
1619 | syms_of_msdos(); | |
1620 | syms_of_win16select(); | |
40da1153 EZ |
1621 | #endif /* MSDOS */ |
1622 | ||
edfda783 AR |
1623 | #ifdef HAVE_NS |
1624 | syms_of_nsterm (); | |
1625 | syms_of_nsfns (); | |
1626 | syms_of_nsmenu (); | |
1627 | syms_of_nsselect (); | |
1628 | syms_of_fontset (); | |
1629 | #endif /* HAVE_NS */ | |
1630 | ||
033b73e2 MA |
1631 | #ifdef HAVE_DBUS |
1632 | syms_of_dbusbind (); | |
1633 | #endif /* HAVE_DBUS */ | |
1634 | ||
2e31d424 DN |
1635 | #ifdef WINDOWSNT |
1636 | syms_of_ntterm (); | |
1637 | #endif /* WINDOWSNT */ | |
f927c5ae JB |
1638 | |
1639 | keys_of_casefiddle (); | |
1640 | keys_of_cmds (); | |
1641 | keys_of_buffer (); | |
1642 | keys_of_keyboard (); | |
1643 | keys_of_keymap (); | |
f927c5ae | 1644 | keys_of_window (); |
9785d95b | 1645 | } |
3b6536b1 | 1646 | else |
9785d95b | 1647 | { |
3b6536b1 AS |
1648 | /* Initialization that must be done even if the global variable |
1649 | initialized is non zero. */ | |
9785d95b BK |
1650 | #ifdef HAVE_NTGUI |
1651 | globals_of_w32fns (); | |
1652 | globals_of_w32menu (); | |
52c7f9ee | 1653 | globals_of_w32select (); |
3b6536b1 | 1654 | #endif /* HAVE_NTGUI */ |
f927c5ae JB |
1655 | } |
1656 | ||
cf411e8d KH |
1657 | init_charset (); |
1658 | ||
f7cf8b20 | 1659 | init_editfns (); /* init_process uses Voperating_system_release. */ |
2491d293 | 1660 | init_process (); /* init_display uses add_keyboard_wait_descriptor. */ |
7db35a48 | 1661 | init_keyboard (); /* This too must precede init_sys_modes. */ |
0a125897 | 1662 | if (!noninteractive) |
7c2fb837 | 1663 | init_display (); /* Determine terminal type. Calls init_sys_modes. */ |
90d920b6 | 1664 | init_fns (); |
8bb697c0 | 1665 | init_xdisp (); |
6b61353c KH |
1666 | #ifdef HAVE_WINDOW_SYSTEM |
1667 | init_fringe (); | |
1668 | init_image (); | |
1669 | #endif /* HAVE_WINDOW_SYSTEM */ | |
8bb697c0 | 1670 | init_macros (); |
8bb697c0 | 1671 | init_floatfns (); |
90d920b6 GM |
1672 | #ifdef HAVE_SOUND |
1673 | init_sound (); | |
1674 | #endif | |
75816372 | 1675 | init_window (); |
74d75424 | 1676 | init_font (); |
087fc47a | 1677 | |
f927c5ae JB |
1678 | if (!initialized) |
1679 | { | |
e2925360 | 1680 | char *file; |
7db35a48 | 1681 | /* Handle -l loadup, args passed by Makefile. */ |
df6530f8 | 1682 | if (argmatch (argv, argc, "-l", "--load", 3, &file, &skip_args)) |
d67b4f80 | 1683 | Vtop_level = Fcons (intern_c_string ("load"), |
e2925360 | 1684 | Fcons (build_string (file), Qnil)); |
f927c5ae | 1685 | /* Unless next switch is -nl, load "loadup.el" first thing. */ |
956e3c7e | 1686 | if (! no_loadup) |
d67b4f80 | 1687 | Vtop_level = Fcons (intern_c_string ("load"), |
f927c5ae | 1688 | Fcons (build_string ("loadup.el"), Qnil)); |
f927c5ae JB |
1689 | } |
1690 | ||
93572b43 KH |
1691 | if (initialized) |
1692 | { | |
0269dedb RS |
1693 | #ifdef HAVE_TZSET |
1694 | { | |
1695 | /* If the execution TZ happens to be the same as the dump TZ, | |
1696 | change it to some other value and then change it back, | |
1697 | to force the underlying implementation to reload the TZ info. | |
1698 | This is needed on implementations that load TZ info from files, | |
1699 | since the TZ file contents may differ between dump and execution. */ | |
1700 | char *tz = getenv ("TZ"); | |
1701 | if (tz && !strcmp (tz, dump_tz)) | |
1702 | { | |
1703 | ++*tz; | |
1704 | tzset (); | |
1705 | --*tz; | |
1706 | } | |
1707 | } | |
1708 | #endif | |
93572b43 KH |
1709 | } |
1710 | ||
ecf783fa EZ |
1711 | /* Set up for profiling. This is known to work on FreeBSD, |
1712 | GNU/Linux and MinGW. It might work on some other systems too. | |
1713 | Give it a try and tell us if it works on your system. To compile | |
7b3a82d7 | 1714 | for profiling, use the configure option --enable-profiling. */ |
ecf783fa | 1715 | #if defined (__FreeBSD__) || defined (GNU_LINUX) || defined(__MINGW32__) |
e610ea43 RS |
1716 | #ifdef PROFILING |
1717 | if (initialized) | |
1718 | { | |
7db35a48 | 1719 | extern void _mcleanup (); |
ecf783fa EZ |
1720 | #ifdef __MINGW32__ |
1721 | extern unsigned char etext asm ("etext"); | |
1722 | #else | |
e610ea43 | 1723 | extern char etext; |
ecf783fa | 1724 | #endif |
dcc19aac AS |
1725 | #ifdef HAVE___EXECUTABLE_START |
1726 | /* This symbol is defined by GNU ld to the start of the text | |
1727 | segment. */ | |
1728 | extern char __executable_start[]; | |
1729 | #else | |
90d920b6 | 1730 | extern void safe_bcopy (); |
dcc19aac | 1731 | #endif |
67a5596f | 1732 | |
e610ea43 | 1733 | atexit (_mcleanup); |
dcc19aac AS |
1734 | #ifdef HAVE___EXECUTABLE_START |
1735 | monstartup (__executable_start, &etext); | |
1736 | #else | |
90d920b6 GM |
1737 | /* This uses safe_bcopy because that function comes first in the |
1738 | Emacs executable. It might be better to use something that | |
1739 | gives the start of the text segment, but start_of_text is not | |
1740 | defined on all systems now. */ | |
72af86bd AS |
1741 | /* FIXME: Does not work on architectures with function |
1742 | descriptors. */ | |
90d920b6 | 1743 | monstartup (safe_bcopy, &etext); |
dcc19aac | 1744 | #endif |
e610ea43 RS |
1745 | } |
1746 | else | |
1747 | moncontrol (0); | |
1748 | #endif | |
1749 | #endif | |
1750 | ||
f927c5ae JB |
1751 | initialized = 1; |
1752 | ||
e7536cff RS |
1753 | #ifdef LOCALTIME_CACHE |
1754 | /* Some versions of localtime have a bug. They cache the value of the time | |
279cc2b8 JB |
1755 | zone rather than looking it up every time. Since localtime() is |
1756 | called to bolt the undumping time into the undumped emacs, this | |
afe9fae9 | 1757 | results in localtime ignoring the TZ environment variable. |
7db35a48 | 1758 | This flushes the new TZ value into localtime. */ |
afe9fae9 | 1759 | tzset (); |
e7536cff | 1760 | #endif /* defined (LOCALTIME_CACHE) */ |
279cc2b8 | 1761 | |
f927c5ae JB |
1762 | /* Enter editor command loop. This never returns. */ |
1763 | Frecursive_edit (); | |
1764 | /* NOTREACHED */ | |
6bbd7a29 | 1765 | return 0; |
f927c5ae JB |
1766 | } |
1767 | \f | |
081bef73 RS |
1768 | /* Sort the args so we can find the most important ones |
1769 | at the beginning of argv. */ | |
1770 | ||
1771 | /* First, here's a table of all the standard options. */ | |
1772 | ||
1773 | struct standard_args | |
1774 | { | |
5e2327cf DN |
1775 | const char *name; |
1776 | const char *longname; | |
081bef73 RS |
1777 | int priority; |
1778 | int nargs; | |
1779 | }; | |
1780 | ||
5e2327cf | 1781 | const struct standard_args standard_args[] = |
081bef73 | 1782 | { |
05922407 | 1783 | { "-version", "--version", 150, 0 }, |
f63d0028 | 1784 | { "-chdir", "--chdir", 130, 1 }, |
05922407 | 1785 | { "-t", "--terminal", 120, 1 }, |
400d6fa9 | 1786 | { "-nw", "--no-window-system", 110, 0 }, |
05922407 RS |
1787 | { "-nw", "--no-windows", 110, 0 }, |
1788 | { "-batch", "--batch", 100, 0 }, | |
6e910e07 | 1789 | { "-script", "--script", 100, 1 }, |
eab2ee89 | 1790 | { "-daemon", "--daemon", 99, 0 }, |
05922407 | 1791 | { "-help", "--help", 90, 0 }, |
956e3c7e RS |
1792 | { "-no-unibyte", "--no-unibyte", 83, 0 }, |
1793 | { "-multibyte", "--multibyte", 82, 0 }, | |
1794 | { "-unibyte", "--unibyte", 81, 0 }, | |
1795 | { "-no-multibyte", "--no-multibyte", 80, 0 }, | |
956e3c7e | 1796 | { "-nl", "--no-loadup", 70, 0 }, |
956e3c7e RS |
1797 | /* -d must come last before the options handled in startup.el. */ |
1798 | { "-d", "--display", 60, 1 }, | |
1799 | { "-display", 0, 60, 1 }, | |
4fe22cdf | 1800 | /* Now for the options handled in `command-line' (startup.el). */ |
a1716a57 RS |
1801 | { "-Q", "--quick", 55, 0 }, |
1802 | { "-quick", 0, 55, 0 }, | |
081bef73 RS |
1803 | { "-q", "--no-init-file", 50, 0 }, |
1804 | { "-no-init-file", 0, 50, 0 }, | |
1805 | { "-no-site-file", "--no-site-file", 40, 0 }, | |
1806 | { "-u", "--user", 30, 1 }, | |
1807 | { "-user", 0, 30, 1 }, | |
1808 | { "-debug-init", "--debug-init", 20, 0 }, | |
f2bc3538 | 1809 | { "-iconic", "--iconic", 15, 0 }, |
a1716a57 | 1810 | { "-D", "--basic-display", 12, 0}, |
e09b9180 | 1811 | { "-basic-display", 0, 12, 0}, |
4fe22cdf CY |
1812 | { "-nbc", "--no-blinking-cursor", 12, 0 }, |
1813 | /* Now for the options handled in `command-line-1' (startup.el). */ | |
1814 | { "-nbi", "--no-bitmap-icon", 10, 0 }, | |
081bef73 RS |
1815 | { "-bg", "--background-color", 10, 1 }, |
1816 | { "-background", 0, 10, 1 }, | |
1817 | { "-fg", "--foreground-color", 10, 1 }, | |
1818 | { "-foreground", 0, 10, 1 }, | |
1819 | { "-bd", "--border-color", 10, 1 }, | |
1820 | { "-bw", "--border-width", 10, 1 }, | |
1821 | { "-ib", "--internal-border", 10, 1 }, | |
1822 | { "-ms", "--mouse-color", 10, 1 }, | |
1823 | { "-cr", "--cursor-color", 10, 1 }, | |
1824 | { "-fn", "--font", 10, 1 }, | |
1825 | { "-font", 0, 10, 1 }, | |
94452530 EZ |
1826 | { "-fs", "--fullscreen", 10, 0 }, |
1827 | { "-fw", "--fullwidth", 10, 0 }, | |
1828 | { "-fh", "--fullheight", 10, 0 }, | |
3f1c6666 | 1829 | { "-mm", "--maximized", 10, 0 }, |
081bef73 RS |
1830 | { "-g", "--geometry", 10, 1 }, |
1831 | { "-geometry", 0, 10, 1 }, | |
1832 | { "-T", "--title", 10, 1 }, | |
ae63ae52 | 1833 | { "-title", 0, 10, 1 }, |
081bef73 RS |
1834 | { "-name", "--name", 10, 1 }, |
1835 | { "-xrm", "--xrm", 10, 1 }, | |
1540a61a | 1836 | { "-parent-id", "--parent-id", 10, 1 }, |
fcdeb5d9 RS |
1837 | { "-r", "--reverse-video", 5, 0 }, |
1838 | { "-rv", 0, 5, 0 }, | |
1839 | { "-reverse", 0, 5, 0 }, | |
ae63ae52 | 1840 | { "-hb", "--horizontal-scroll-bars", 5, 0 }, |
fcdeb5d9 | 1841 | { "-vb", "--vertical-scroll-bars", 5, 0 }, |
d20e1b1e | 1842 | { "-color", "--color", 5, 0}, |
16706228 JL |
1843 | { "-no-splash", "--no-splash", 3, 0 }, |
1844 | { "-no-desktop", "--no-desktop", 3, 0 }, | |
edfda783 AR |
1845 | #ifdef HAVE_NS |
1846 | { "-NSAutoLaunch", 0, 5, 1 }, | |
1847 | { "-NXAutoLaunch", 0, 5, 1 }, | |
1848 | { "-disable-font-backend", "--disable-font-backend", 65, 0 }, | |
1849 | { "-_NSMachLaunch", 0, 85, 1 }, | |
1850 | { "-MachLaunch", 0, 85, 1 }, | |
1851 | { "-macosx", 0, 85, 0 }, | |
1852 | { "-NSHost", 0, 85, 1 }, | |
1853 | #endif | |
fcdeb5d9 RS |
1854 | /* These have the same priority as ordinary file name args, |
1855 | so they are not reordered with respect to those. */ | |
4af9e0b3 RS |
1856 | { "-L", "--directory", 0, 1 }, |
1857 | { "-directory", 0, 0, 1 }, | |
fcdeb5d9 RS |
1858 | { "-l", "--load", 0, 1 }, |
1859 | { "-load", 0, 0, 1 }, | |
21a4ff8e GM |
1860 | /* This has no longname, because using --scriptload confuses sort_args, |
1861 | because then the --script long option seems to match twice; ie | |
1862 | you can't have a long option which is a prefix of another long | |
1863 | option. In any case, this is entirely an internal option. */ | |
1864 | { "-scriptload", NULL, 0, 1 }, | |
fcdeb5d9 RS |
1865 | { "-f", "--funcall", 0, 1 }, |
1866 | { "-funcall", 0, 0, 1 }, | |
575985b1 | 1867 | { "-eval", "--eval", 0, 1 }, |
67a5596f | 1868 | { "-execute", "--execute", 0, 1 }, |
2e13f8e9 RS |
1869 | { "-find-file", "--find-file", 0, 1 }, |
1870 | { "-visit", "--visit", 0, 1 }, | |
67a5596f | 1871 | { "-file", "--file", 0, 1 }, |
fcdeb5d9 | 1872 | { "-insert", "--insert", 0, 1 }, |
edfda783 AR |
1873 | #ifdef HAVE_NS |
1874 | { "-NXOpen", 0, 0, 1 }, | |
1875 | { "-NXOpenTemp", 0, 0, 1 }, | |
1876 | { "-NSOpen", 0, 0, 1 }, | |
1877 | { "-NSOpenTemp", 0, 0, 1 }, | |
1878 | { "-GSFilePath", 0, 0, 1 }, | |
1879 | #endif | |
f2bc3538 | 1880 | /* This should be processed after ordinary file name args and the like. */ |
fcdeb5d9 | 1881 | { "-kill", "--kill", -10, 0 }, |
081bef73 RS |
1882 | }; |
1883 | ||
1884 | /* Reorder the elements of ARGV (assumed to have ARGC elements) | |
1885 | so that the highest priority ones come first. | |
1886 | Do not change the order of elements of equal priority. | |
956e3c7e RS |
1887 | If an option takes an argument, keep it and its argument together. |
1888 | ||
1889 | If an option that takes no argument appears more | |
1890 | than once, eliminate all but one copy of it. */ | |
081bef73 RS |
1891 | |
1892 | static void | |
dd4c5104 | 1893 | sort_args (int argc, char **argv) |
081bef73 RS |
1894 | { |
1895 | char **new = (char **) xmalloc (sizeof (char *) * argc); | |
1896 | /* For each element of argv, | |
1897 | the corresponding element of options is: | |
1898 | 0 for an option that takes no arguments, | |
1899 | 1 for an option that takes one argument, etc. | |
1900 | -1 for an ordinary non-option argument. */ | |
6dad9359 | 1901 | int *options = (int *) xmalloc (sizeof (int) * argc); |
081bef73 RS |
1902 | int *priority = (int *) xmalloc (sizeof (int) * argc); |
1903 | int to = 1; | |
956e3c7e | 1904 | int incoming_used = 1; |
081bef73 RS |
1905 | int from; |
1906 | int i; | |
1907 | ||
1908 | /* Categorize all the options, | |
1909 | and figure out which argv elts are option arguments. */ | |
1910 | for (from = 1; from < argc; from++) | |
1911 | { | |
1912 | options[from] = -1; | |
fcdeb5d9 | 1913 | priority[from] = 0; |
081bef73 RS |
1914 | if (argv[from][0] == '-') |
1915 | { | |
1916 | int match, thislen; | |
1917 | char *equals; | |
1918 | ||
c96f26f4 RS |
1919 | /* If we have found "--", don't consider |
1920 | any more arguments as options. */ | |
249443b6 | 1921 | if (argv[from][1] == '-' && argv[from][2] == 0) |
c96f26f4 RS |
1922 | { |
1923 | /* Leave the "--", and everything following it, at the end. */ | |
1924 | for (; from < argc; from++) | |
1925 | { | |
1926 | priority[from] = -100; | |
1927 | options[from] = -1; | |
1928 | } | |
1929 | break; | |
1930 | } | |
1931 | ||
081bef73 RS |
1932 | /* Look for a match with a known old-fashioned option. */ |
1933 | for (i = 0; i < sizeof (standard_args) / sizeof (standard_args[0]); i++) | |
1934 | if (!strcmp (argv[from], standard_args[i].name)) | |
1935 | { | |
1936 | options[from] = standard_args[i].nargs; | |
1937 | priority[from] = standard_args[i].priority; | |
fd76ec52 RS |
1938 | if (from + standard_args[i].nargs >= argc) |
1939 | fatal ("Option `%s' requires an argument\n", argv[from]); | |
081bef73 RS |
1940 | from += standard_args[i].nargs; |
1941 | goto done; | |
1942 | } | |
1943 | ||
1944 | /* Look for a match with a known long option. | |
1945 | MATCH is -1 if no match so far, -2 if two or more matches so far, | |
1946 | >= 0 (the table index of the match) if just one match so far. */ | |
1947 | if (argv[from][1] == '-') | |
1948 | { | |
1949 | match = -1; | |
1950 | thislen = strlen (argv[from]); | |
8966b757 | 1951 | equals = strchr (argv[from], '='); |
081bef73 RS |
1952 | if (equals != 0) |
1953 | thislen = equals - argv[from]; | |
1954 | ||
f609ef57 KH |
1955 | for (i = 0; |
1956 | i < sizeof (standard_args) / sizeof (standard_args[0]); i++) | |
1957 | if (standard_args[i].longname | |
1958 | && !strncmp (argv[from], standard_args[i].longname, | |
1959 | thislen)) | |
081bef73 RS |
1960 | { |
1961 | if (match == -1) | |
1962 | match = i; | |
1963 | else | |
1964 | match = -2; | |
1965 | } | |
1966 | ||
1967 | /* If we found exactly one match, use that. */ | |
1968 | if (match >= 0) | |
1969 | { | |
1970 | options[from] = standard_args[match].nargs; | |
1971 | priority[from] = standard_args[match].priority; | |
1972 | /* If --OPTION=VALUE syntax is used, | |
1973 | this option uses just one argv element. */ | |
1974 | if (equals != 0) | |
1975 | options[from] = 0; | |
fd76ec52 RS |
1976 | if (from + options[from] >= argc) |
1977 | fatal ("Option `%s' requires an argument\n", argv[from]); | |
081bef73 RS |
1978 | from += options[from]; |
1979 | } | |
a09a5b5b GM |
1980 | /* FIXME When match < 0, shouldn't there be some error, |
1981 | or at least indication to the user that there was a | |
1982 | problem? */ | |
081bef73 RS |
1983 | } |
1984 | done: ; | |
1985 | } | |
1986 | } | |
1987 | ||
1988 | /* Copy the arguments, in order of decreasing priority, to NEW. */ | |
1989 | new[0] = argv[0]; | |
956e3c7e | 1990 | while (incoming_used < argc) |
081bef73 RS |
1991 | { |
1992 | int best = -1; | |
2c70c992 | 1993 | int best_priority = -9999; |
081bef73 RS |
1994 | |
1995 | /* Find the highest priority remaining option. | |
1996 | If several have equal priority, take the first of them. */ | |
1997 | for (from = 1; from < argc; from++) | |
1998 | { | |
1999 | if (argv[from] != 0 && priority[from] > best_priority) | |
2000 | { | |
2001 | best_priority = priority[from]; | |
2002 | best = from; | |
2003 | } | |
2004 | /* Skip option arguments--they are tied to the options. */ | |
2005 | if (options[from] > 0) | |
2006 | from += options[from]; | |
2007 | } | |
7db35a48 | 2008 | |
081bef73 RS |
2009 | if (best < 0) |
2010 | abort (); | |
2011 | ||
956e3c7e RS |
2012 | /* Copy the highest priority remaining option, with its args, to NEW. |
2013 | Unless it is a duplicate of the previous one. */ | |
2014 | if (! (options[best] == 0 | |
2015 | && ! strcmp (new[to - 1], argv[best]))) | |
2016 | { | |
2017 | new[to++] = argv[best]; | |
2018 | for (i = 0; i < options[best]; i++) | |
2019 | new[to++] = argv[best + i + 1]; | |
2020 | } | |
2021 | ||
2022 | incoming_used += 1 + (options[best] > 0 ? options[best] : 0); | |
081bef73 RS |
2023 | |
2024 | /* Clear out this option in ARGV. */ | |
2025 | argv[best] = 0; | |
2026 | for (i = 0; i < options[best]; i++) | |
2027 | argv[best + i + 1] = 0; | |
2028 | } | |
2029 | ||
81b7af72 RS |
2030 | /* If duplicate options were deleted, fill up extra space with null ptrs. */ |
2031 | while (to < argc) | |
2032 | new[to++] = 0; | |
2033 | ||
72af86bd | 2034 | memcpy (argv, new, sizeof (char *) * argc); |
0bf591da | 2035 | |
68db37aa KS |
2036 | xfree (options); |
2037 | xfree (new); | |
2038 | xfree (priority); | |
081bef73 RS |
2039 | } |
2040 | \f | |
f927c5ae | 2041 | DEFUN ("kill-emacs", Fkill_emacs, Skill_emacs, 0, 1, "P", |
7db35a48 PJ |
2042 | doc: /* Exit the Emacs job and kill it. |
2043 | If ARG is an integer, return ARG as the exit program code. | |
b224de9b | 2044 | If ARG is a string, stuff it as keyboard input. |
7db35a48 PJ |
2045 | |
2046 | The value of `kill-emacs-hook', if not void, | |
2047 | is a list of functions (of no args), | |
2048 | all of which are called before Emacs is actually killed. */) | |
5842a27b | 2049 | (Lisp_Object arg) |
f927c5ae | 2050 | { |
f927c5ae JB |
2051 | struct gcpro gcpro1; |
2052 | ||
2053 | GCPRO1 (arg); | |
2054 | ||
2055 | if (feof (stdin)) | |
2056 | arg = Qt; | |
2057 | ||
2447c626 | 2058 | if (!NILP (Vrun_hooks) && !noninteractive) |
f927c5ae JB |
2059 | call1 (Vrun_hooks, intern ("kill-emacs-hook")); |
2060 | ||
f927c5ae JB |
2061 | UNGCPRO; |
2062 | ||
d0068e25 | 2063 | shut_down_emacs (0, 0, STRINGP (arg) ? arg : Qnil); |
40be253a | 2064 | |
58545838 KH |
2065 | /* If we have an auto-save list file, |
2066 | kill it because we are exiting Emacs deliberately (not crashing). | |
2067 | Do it after shut_down_emacs, which does an auto-save. */ | |
2068 | if (STRINGP (Vauto_save_list_file_name)) | |
d5db4077 | 2069 | unlink (SDATA (Vauto_save_list_file_name)); |
58545838 | 2070 | |
fa439170 | 2071 | exit (INTEGERP (arg) ? XINT (arg) : EXIT_SUCCESS); |
f927c5ae | 2072 | } |
40be253a JB |
2073 | |
2074 | ||
2075 | /* Perform an orderly shutdown of Emacs. Autosave any modified | |
2076 | buffers, kill any child processes, clean up the terminal modes (if | |
2077 | we're in the foreground), and other stuff like that. Don't perform | |
2078 | any redisplay; this may be called when Emacs is shutting down in | |
2079 | the background, or after its X connection has died. | |
2080 | ||
2081 | If SIG is a signal number, print a message for it. | |
2082 | ||
2083 | This is called by fatal signal handlers, X protocol error handlers, | |
2084 | and Fkill_emacs. */ | |
f7ab4e3d | 2085 | |
40be253a | 2086 | void |
d5a3eaaf | 2087 | shut_down_emacs (int sig, int no_x, Lisp_Object stuff) |
40be253a | 2088 | { |
829d872b RS |
2089 | /* Prevent running of hooks from now on. */ |
2090 | Vrun_hooks = Qnil; | |
2091 | ||
9db03f6c KS |
2092 | /* Don't update display from now on. */ |
2093 | Vinhibit_redisplay = Qt; | |
2094 | ||
7db35a48 | 2095 | /* If we are controlling the terminal, reset terminal modes. */ |
40be253a JB |
2096 | #ifdef EMACS_HAVE_TTY_PGRP |
2097 | { | |
d04d81d2 RS |
2098 | int pgrp = EMACS_GETPGRP (0); |
2099 | ||
40be253a JB |
2100 | int tpgrp; |
2101 | if (EMACS_GET_TTY_PGRP (0, &tpgrp) != -1 | |
5a570e37 | 2102 | && tpgrp == pgrp) |
40be253a | 2103 | { |
28d440ab | 2104 | reset_all_sys_modes (); |
40be253a | 2105 | if (sig && sig != SIGTERM) |
6b61353c | 2106 | fprintf (stderr, "Fatal error (%d)", sig); |
40be253a JB |
2107 | } |
2108 | } | |
2109 | #else | |
2110 | fflush (stdout); | |
0a125897 | 2111 | reset_all_sys_modes (); |
40be253a JB |
2112 | #endif |
2113 | ||
f7ab4e3d RS |
2114 | stuff_buffered_input (stuff); |
2115 | ||
92d835a4 | 2116 | inhibit_sentinels = 1; |
40be253a JB |
2117 | kill_buffer_processes (Qnil); |
2118 | Fdo_auto_save (Qt, Qnil); | |
2119 | ||
2120 | #ifdef CLASH_DETECTION | |
2121 | unlock_all_files (); | |
2122 | #endif | |
2123 | ||
5e7f8733 | 2124 | #if 0 /* This triggers a bug in XCloseDisplay and is not needed. */ |
41423a80 | 2125 | #ifdef HAVE_X_WINDOWS |
f7511647 | 2126 | /* It's not safe to call intern here. Maybe we are crashing. */ |
2246281f KL |
2127 | if (!noninteractive && SYMBOLP (Vinitial_window_system) |
2128 | && SCHARS (SYMBOL_NAME (Vinitial_window_system)) == 1 | |
2129 | && SREF (SYMBOL_NAME (Vinitial_window_system), 0) == 'x' | |
f7511647 | 2130 | && ! no_x) |
41423a80 RS |
2131 | Fx_close_current_connection (); |
2132 | #endif /* HAVE_X_WINDOWS */ | |
5e7f8733 | 2133 | #endif |
41423a80 | 2134 | |
40be253a JB |
2135 | #ifdef SIGIO |
2136 | /* There is a tendency for a SIGIO signal to arrive within exit, | |
2137 | and cause a SIGHUP because the input descriptor is already closed. */ | |
2138 | unrequest_sigio (); | |
2139 | signal (SIGIO, SIG_IGN); | |
2140 | #endif | |
41f339d4 RS |
2141 | |
2142 | #ifdef WINDOWSNT | |
2143 | term_ntproc (); | |
2144 | #endif | |
d546e578 | 2145 | |
cd8d4168 GM |
2146 | /* Do this only if terminating normally, we want glyph matrices |
2147 | etc. in a core dump. */ | |
200f868e | 2148 | if (sig == 0 || sig == SIGTERM) |
cd8d4168 GM |
2149 | { |
2150 | check_glyph_memory (); | |
2151 | check_message_stack (); | |
2152 | } | |
90d920b6 | 2153 | |
d546e578 EZ |
2154 | #ifdef MSDOS |
2155 | dos_cleanup (); | |
2156 | #endif | |
edfda783 AR |
2157 | |
2158 | #ifdef HAVE_NS | |
2159 | ns_term_shutdown (sig); | |
2160 | #endif | |
40be253a JB |
2161 | } |
2162 | ||
2163 | ||
f927c5ae JB |
2164 | \f |
2165 | #ifndef CANNOT_DUMP | |
f927c5ae | 2166 | |
f927c5ae | 2167 | DEFUN ("dump-emacs", Fdump_emacs, Sdump_emacs, 2, 2, 0, |
7db35a48 PJ |
2168 | doc: /* Dump current state of Emacs into executable file FILENAME. |
2169 | Take symbols from SYMFILE (presumably the file you executed to run Emacs). | |
2170 | This is used in the file `loadup.el' when building Emacs. | |
2171 | ||
2172 | You must run Emacs in batch mode in order to dump it. */) | |
5842a27b | 2173 | (Lisp_Object filename, Lisp_Object symfile) |
f927c5ae | 2174 | { |
55697f5b | 2175 | extern char my_edata[]; |
f927c5ae | 2176 | Lisp_Object tem; |
1b7ddf4f | 2177 | Lisp_Object symbol; |
331379bf | 2178 | int count = SPECPDL_INDEX (); |
4fab758d GM |
2179 | |
2180 | check_pure_size (); | |
f927c5ae | 2181 | |
87a98b1a RS |
2182 | if (! noninteractive) |
2183 | error ("Dumping Emacs works only in batch mode"); | |
2184 | ||
848a925e | 2185 | #ifdef GNU_LINUX |
dede2792 JD |
2186 | if (heap_bss_diff > MAX_HEAP_BSS_DIFF) |
2187 | { | |
2188 | fprintf (stderr, "**************************************************\n"); | |
2189 | fprintf (stderr, "Warning: Your system has a gap between BSS and the\n"); | |
e79beb56 | 2190 | fprintf (stderr, "heap (%lu bytes). This usually means that exec-shield\n", |
c37caf9d JD |
2191 | heap_bss_diff); |
2192 | fprintf (stderr, "or something similar is in effect. The dump may\n"); | |
e79beb56 | 2193 | fprintf (stderr, "fail because of this. See the section about\n"); |
c37caf9d | 2194 | fprintf (stderr, "exec-shield in etc/PROBLEMS for more information.\n"); |
dede2792 JD |
2195 | fprintf (stderr, "**************************************************\n"); |
2196 | } | |
848a925e | 2197 | #endif /* GNU_LINUX */ |
dede2792 | 2198 | |
1b7ddf4f RS |
2199 | /* Bind `command-line-processed' to nil before dumping, |
2200 | so that the dumped Emacs will process its command line | |
2201 | and set up to work with X windows if appropriate. */ | |
4aaa3607 | 2202 | symbol = intern ("command-line-processed"); |
1b7ddf4f RS |
2203 | specbind (symbol, Qnil); |
2204 | ||
b7826503 | 2205 | CHECK_STRING (filename); |
c9aae259 EN |
2206 | filename = Fexpand_file_name (filename, Qnil); |
2207 | if (!NILP (symfile)) | |
f927c5ae | 2208 | { |
b7826503 | 2209 | CHECK_STRING (symfile); |
d5db4077 | 2210 | if (SCHARS (symfile)) |
c9aae259 | 2211 | symfile = Fexpand_file_name (symfile, Qnil); |
f927c5ae JB |
2212 | } |
2213 | ||
2214 | tem = Vpurify_flag; | |
2215 | Vpurify_flag = Qnil; | |
2216 | ||
0269dedb RS |
2217 | #ifdef HAVE_TZSET |
2218 | set_time_zone_rule (dump_tz); | |
2219 | #ifndef LOCALTIME_CACHE | |
2220 | /* Force a tz reload, since set_time_zone_rule doesn't. */ | |
2221 | tzset (); | |
2222 | #endif | |
2223 | #endif | |
2224 | ||
f927c5ae | 2225 | fflush (stdout); |
7db35a48 | 2226 | /* Tell malloc where start of impure now is. */ |
f927c5ae JB |
2227 | /* Also arrange for warnings when nearly out of space. */ |
2228 | #ifndef SYSTEM_MALLOC | |
cc5f52cb RS |
2229 | #ifndef WINDOWSNT |
2230 | /* On Windows, this was done before dumping, and that once suffices. | |
2231 | Meanwhile, my_edata is not valid on Windows. */ | |
cb37cf78 | 2232 | memory_warnings (my_edata, malloc_warning); |
cc5f52cb | 2233 | #endif /* not WINDOWSNT */ |
15aaf1b5 | 2234 | #endif |
06ca62eb | 2235 | #if !defined (SYSTEM_MALLOC) && defined (HAVE_GTK_AND_PTHREAD) && !defined SYNC_INPUT |
aa477689 JD |
2236 | /* Pthread may call malloc before main, and then we will get an endless |
2237 | loop, because pthread_self (see alloc.c) calls malloc the first time | |
2238 | it is called on some systems. */ | |
2239 | reset_malloc_hooks (); | |
2240 | #endif | |
15aaf1b5 RS |
2241 | #ifdef DOUG_LEA_MALLOC |
2242 | malloc_state_ptr = malloc_get_state (); | |
f927c5ae | 2243 | #endif |
2b7377ca | 2244 | |
a74c5ec1 | 2245 | #ifdef USE_MMAP_FOR_BUFFERS |
2b7377ca GM |
2246 | mmap_set_vars (0); |
2247 | #endif | |
d5db4077 KR |
2248 | unexec (SDATA (filename), |
2249 | !NILP (symfile) ? SDATA (symfile) : 0, my_edata, 0, 0); | |
a74c5ec1 | 2250 | #ifdef USE_MMAP_FOR_BUFFERS |
2b7377ca GM |
2251 | mmap_set_vars (1); |
2252 | #endif | |
15aaf1b5 RS |
2253 | #ifdef DOUG_LEA_MALLOC |
2254 | free (malloc_state_ptr); | |
2255 | #endif | |
f927c5ae JB |
2256 | |
2257 | Vpurify_flag = tem; | |
2258 | ||
1b7ddf4f | 2259 | return unbind_to (count, Qnil); |
f927c5ae JB |
2260 | } |
2261 | ||
f927c5ae JB |
2262 | #endif /* not CANNOT_DUMP */ |
2263 | \f | |
68c45bf0 PE |
2264 | #if HAVE_SETLOCALE |
2265 | /* Recover from setlocale (LC_ALL, ""). */ | |
2266 | void | |
d5a3eaaf | 2267 | fixup_locale (void) |
68c45bf0 | 2268 | { |
68c45bf0 PE |
2269 | /* The Emacs Lisp reader needs LC_NUMERIC to be "C", |
2270 | so that numbers are read and printed properly for Emacs Lisp. */ | |
2271 | setlocale (LC_NUMERIC, "C"); | |
68c45bf0 PE |
2272 | } |
2273 | ||
0c8559bb PE |
2274 | /* Set system locale CATEGORY, with previous locale *PLOCALE, to |
2275 | DESIRED_LOCALE. */ | |
68c45bf0 | 2276 | static void |
dd4c5104 | 2277 | synchronize_locale (int category, Lisp_Object *plocale, Lisp_Object desired_locale) |
68c45bf0 | 2278 | { |
0c8559bb PE |
2279 | if (! EQ (*plocale, desired_locale)) |
2280 | { | |
2281 | *plocale = desired_locale; | |
2282 | setlocale (category, (STRINGP (desired_locale) | |
3b6536b1 | 2283 | ? (char *) SDATA (desired_locale) |
0c8559bb PE |
2284 | : "")); |
2285 | } | |
68c45bf0 PE |
2286 | } |
2287 | ||
ca9c0567 | 2288 | /* Set system time locale to match Vsystem_time_locale, if possible. */ |
68c45bf0 | 2289 | void |
d5a3eaaf | 2290 | synchronize_system_time_locale (void) |
68c45bf0 | 2291 | { |
ca9c0567 PE |
2292 | synchronize_locale (LC_TIME, &Vprevious_system_time_locale, |
2293 | Vsystem_time_locale); | |
68c45bf0 PE |
2294 | } |
2295 | ||
ca9c0567 PE |
2296 | /* Set system messages locale to match Vsystem_messages_locale, if |
2297 | possible. */ | |
68c45bf0 | 2298 | void |
d5a3eaaf | 2299 | synchronize_system_messages_locale (void) |
68c45bf0 PE |
2300 | { |
2301 | #ifdef LC_MESSAGES | |
ca9c0567 PE |
2302 | synchronize_locale (LC_MESSAGES, &Vprevious_system_messages_locale, |
2303 | Vsystem_messages_locale); | |
68c45bf0 PE |
2304 | #endif |
2305 | } | |
2306 | #endif /* HAVE_SETLOCALE */ | |
2307 | \f | |
4b163808 | 2308 | #ifndef SEPCHAR |
f927c5ae JB |
2309 | #define SEPCHAR ':' |
2310 | #endif | |
2311 | ||
2312 | Lisp_Object | |
a8fe7202 | 2313 | decode_env_path (const char *evarname, const char *defalt) |
f927c5ae | 2314 | { |
a8fe7202 | 2315 | const char *path, *p; |
213d0b1f | 2316 | Lisp_Object lpath, element, tem; |
f927c5ae | 2317 | |
2447c626 JB |
2318 | /* It's okay to use getenv here, because this function is only used |
2319 | to initialize variables when Emacs starts up, and isn't called | |
2320 | after that. */ | |
e065a56e | 2321 | if (evarname != 0) |
a8fe7202 | 2322 | path = getenv (evarname); |
e065a56e JB |
2323 | else |
2324 | path = 0; | |
f927c5ae JB |
2325 | if (!path) |
2326 | path = defalt; | |
6a30e6d6 RS |
2327 | #ifdef DOS_NT |
2328 | /* Ensure values from the environment use the proper directory separator. */ | |
2329 | if (path) | |
2330 | { | |
a8fe7202 AS |
2331 | char *path_copy = alloca (strlen (path) + 1); |
2332 | strcpy (path_copy, path); | |
2333 | dostounix_filename (path_copy); | |
2334 | path = path_copy; | |
6a30e6d6 RS |
2335 | } |
2336 | #endif | |
f927c5ae JB |
2337 | lpath = Qnil; |
2338 | while (1) | |
2339 | { | |
8966b757 | 2340 | p = strchr (path, SEPCHAR); |
a8fe7202 AS |
2341 | if (!p) |
2342 | p = path + strlen (path); | |
213d0b1f RS |
2343 | element = (p - path ? make_string (path, p - path) |
2344 | : build_string (".")); | |
2345 | ||
2346 | /* Add /: to the front of the name | |
2347 | if it would otherwise be treated as magic. */ | |
2348 | tem = Ffind_file_name_handler (element, Qt); | |
ca3df2d5 RS |
2349 | |
2350 | /* However, if the handler says "I'm safe", | |
2351 | don't bother adding /:. */ | |
2352 | if (SYMBOLP (tem)) | |
2353 | { | |
2354 | Lisp_Object prop; | |
2355 | prop = Fget (tem, intern ("safe-magic")); | |
2356 | if (! NILP (prop)) | |
2357 | tem = Qnil; | |
2358 | } | |
2359 | ||
213d0b1f RS |
2360 | if (! NILP (tem)) |
2361 | element = concat2 (build_string ("/:"), element); | |
2362 | ||
2363 | lpath = Fcons (element, lpath); | |
f927c5ae JB |
2364 | if (*p) |
2365 | path = p + 1; | |
2366 | else | |
2367 | break; | |
2368 | } | |
2369 | return Fnreverse (lpath); | |
2370 | } | |
2371 | ||
eab2ee89 | 2372 | DEFUN ("daemonp", Fdaemonp, Sdaemonp, 0, 0, 0, |
4ff029f6 DN |
2373 | doc: /* Return non-nil if the current emacs process is a daemon. |
2374 | If the daemon was given a name argument, return that name. */) | |
5842a27b | 2375 | (void) |
eab2ee89 | 2376 | { |
fc012771 | 2377 | if (IS_DAEMON) |
4ff029f6 DN |
2378 | if (daemon_name) |
2379 | return build_string (daemon_name); | |
2380 | else | |
2381 | return Qt; | |
2382 | else | |
2383 | return Qnil; | |
eab2ee89 DN |
2384 | } |
2385 | ||
5790ef40 | 2386 | DEFUN ("daemon-initialized", Fdaemon_initialized, Sdaemon_initialized, 0, 0, 0, |
fc012771 SM |
2387 | doc: /* Mark the Emacs daemon as being initialized. |
2388 | This finishes the daemonization process by doing the other half of detaching | |
2389 | from the parent process and its tty file descriptors. */) | |
5842a27b | 2390 | (void) |
5790ef40 DN |
2391 | { |
2392 | int nfd; | |
2393 | ||
fc012771 | 2394 | if (!IS_DAEMON) |
5790ef40 DN |
2395 | error ("This function can only be called if emacs is run as a daemon"); |
2396 | ||
2397 | if (daemon_pipe[1] < 0) | |
2398 | error ("The daemon has already been initialized"); | |
2399 | ||
2400 | if (NILP (Vafter_init_time)) | |
2401 | error ("This function can only be called after loading the init files"); | |
2402 | ||
2403 | /* Get rid of stdin, stdout and stderr. */ | |
29dadb54 | 2404 | nfd = open ("/dev/null", O_RDWR); |
5790ef40 DN |
2405 | dup2 (nfd, 0); |
2406 | dup2 (nfd, 1); | |
2407 | dup2 (nfd, 2); | |
2408 | close (nfd); | |
2409 | ||
fc012771 SM |
2410 | /* Closing the pipe will notify the parent that it can exit. |
2411 | FIXME: In case some other process inherited the pipe, closing it here | |
2412 | won't notify the parent because it's still open elsewhere, so we | |
2413 | additionally send a byte, just to make sure the parent really exits. | |
2414 | Instead, we should probably close the pipe in start-process and | |
2415 | call-process to make sure the pipe is never inherited by | |
2416 | subprocesses. */ | |
2417 | write (daemon_pipe[1], "\n", 1); | |
5790ef40 DN |
2418 | close (daemon_pipe[1]); |
2419 | /* Set it to an invalid value so we know we've already run this function. */ | |
2420 | daemon_pipe[1] = -1; | |
2421 | return Qt; | |
2422 | } | |
2423 | ||
dfcf069d | 2424 | void |
d5a3eaaf | 2425 | syms_of_emacs (void) |
f927c5ae | 2426 | { |
d67b4f80 | 2427 | Qfile_name_handler_alist = intern_c_string ("file-name-handler-alist"); |
213d0b1f RS |
2428 | staticpro (&Qfile_name_handler_alist); |
2429 | ||
83591e66 | 2430 | #ifndef CANNOT_DUMP |
f927c5ae JB |
2431 | defsubr (&Sdump_emacs); |
2432 | #endif | |
2433 | ||
2434 | defsubr (&Skill_emacs); | |
2435 | ||
59653951 | 2436 | defsubr (&Sinvocation_name); |
ace40a69 | 2437 | defsubr (&Sinvocation_directory); |
eab2ee89 | 2438 | defsubr (&Sdaemonp); |
5790ef40 | 2439 | defsubr (&Sdaemon_initialized); |
59653951 | 2440 | |
f927c5ae | 2441 | DEFVAR_LISP ("command-line-args", &Vcommand_line_args, |
2a9d2ed6 RS |
2442 | doc: /* Args passed by shell to Emacs, as a list of strings. |
2443 | Many arguments are deleted from the list as they are processed. */); | |
f927c5ae JB |
2444 | |
2445 | DEFVAR_LISP ("system-type", &Vsystem_type, | |
cf59a374 | 2446 | doc: /* The value is a symbol indicating the type of operating system you are using. |
40a8993a | 2447 | Special values: |
cf59a374 GM |
2448 | `gnu' compiled for a GNU Hurd system. |
2449 | `gnu/linux' compiled for a GNU/Linux system. | |
2450 | `gnu/kfreebsd' compiled for a GNU system with a FreeBSD kernel. | |
2451 | `darwin' compiled for Darwin (GNU-Darwin, Mac OS X, ...). | |
2452 | `ms-dos' compiled as an MS-DOS application. | |
2453 | `windows-nt' compiled as a native W32 application. | |
2454 | `cygwin' compiled using the Cygwin library. | |
2455 | Anything else (in Emacs 23.1, the possibilities are: aix, berkeley-unix, | |
2456 | hpux, irix, lynxos 3.0.1, usg-unix-v) indicates some sort of Unix system. */); | |
d67b4f80 | 2457 | Vsystem_type = intern_c_string (SYSTEM_TYPE); |
f927c5ae | 2458 | |
271c7b7c | 2459 | DEFVAR_LISP ("system-configuration", &Vsystem_configuration, |
7db35a48 PJ |
2460 | doc: /* Value is string indicating configuration Emacs was built for. |
2461 | On MS-Windows, the value reflects the OS flavor and version on which | |
2462 | Emacs is running. */); | |
f7511647 | 2463 | Vsystem_configuration = build_string (EMACS_CONFIGURATION); |
271c7b7c | 2464 | |
f0fc0b1a | 2465 | DEFVAR_LISP ("system-configuration-options", &Vsystem_configuration_options, |
7db35a48 | 2466 | doc: /* String containing the configuration options Emacs was built with. */); |
f0fc0b1a KH |
2467 | Vsystem_configuration_options = build_string (EMACS_CONFIG_OPTIONS); |
2468 | ||
f927c5ae | 2469 | DEFVAR_BOOL ("noninteractive", &noninteractive1, |
7db35a48 | 2470 | doc: /* Non-nil means Emacs is running without interactive terminal. */); |
e5d77022 | 2471 | |
e5d77022 | 2472 | DEFVAR_LISP ("kill-emacs-hook", &Vkill_emacs_hook, |
e79beb56 | 2473 | doc: /* Hook to be run when `kill-emacs' is called. |
d77b70e5 | 2474 | Since `kill-emacs' may be invoked when the terminal is disconnected (or |
7db35a48 PJ |
2475 | in other similar situations), functions placed on this hook should not |
2476 | expect to be able to interact with the user. To ask for confirmation, | |
d77b70e5 MR |
2477 | see `kill-emacs-query-functions' instead. |
2478 | ||
2479 | The hook is not run in batch mode, i.e., if `noninteractive' is non-nil. */); | |
edc8ae07 | 2480 | Vkill_emacs_hook = Qnil; |
3005da00 RS |
2481 | |
2482 | DEFVAR_INT ("emacs-priority", &emacs_priority, | |
7db35a48 PJ |
2483 | doc: /* Priority for Emacs to run at. |
2484 | This value is effective only if set before Emacs is dumped, | |
2485 | and only if the Emacs executable is installed with setuid to permit | |
2486 | it to change priority. (Emacs sets its uid back to the real uid.) | |
2487 | Currently, you need to define SET_EMACS_PRIORITY in `config.h' | |
2488 | before you compile Emacs, to enable the code for this feature. */); | |
e7a9e1c3 | 2489 | emacs_priority = 0; |
074a066b GV |
2490 | |
2491 | DEFVAR_LISP ("path-separator", &Vpath_separator, | |
c7ed3276 EZ |
2492 | doc: /* String containing the character that separates directories in |
2493 | search paths, such as PATH and other similar environment variables. */); | |
074a066b GV |
2494 | { |
2495 | char c = SEPCHAR; | |
2496 | Vpath_separator = make_string (&c, 1); | |
2497 | } | |
59653951 | 2498 | |
f67de86f | 2499 | DEFVAR_LISP ("invocation-name", &Vinvocation_name, |
7db35a48 PJ |
2500 | doc: /* The program name that was used to run Emacs. |
2501 | Any directory names are omitted. */); | |
f67de86f RS |
2502 | |
2503 | DEFVAR_LISP ("invocation-directory", &Vinvocation_directory, | |
7db35a48 PJ |
2504 | doc: /* The directory in which the Emacs executable was found, to run it. |
2505 | The value is nil if that directory's name is not known. */); | |
f67de86f RS |
2506 | |
2507 | DEFVAR_LISP ("installation-directory", &Vinstallation_directory, | |
7db35a48 | 2508 | doc: /* A directory within which to look for the `lib-src' and `etc' directories. |
e58a672c RS |
2509 | This is non-nil when we can't find those directories in their standard |
2510 | installed locations, but we can find them near where the Emacs executable | |
2511 | was found. */); | |
07f4d123 | 2512 | Vinstallation_directory = Qnil; |
68c45bf0 | 2513 | |
ca9c0567 | 2514 | DEFVAR_LISP ("system-messages-locale", &Vsystem_messages_locale, |
7db35a48 | 2515 | doc: /* System locale for messages. */); |
ca9c0567 | 2516 | Vsystem_messages_locale = Qnil; |
68c45bf0 | 2517 | |
ca9c0567 | 2518 | DEFVAR_LISP ("previous-system-messages-locale", |
7db35a48 PJ |
2519 | &Vprevious_system_messages_locale, |
2520 | doc: /* Most recently used system locale for messages. */); | |
ca9c0567 | 2521 | Vprevious_system_messages_locale = Qnil; |
68c45bf0 | 2522 | |
ca9c0567 | 2523 | DEFVAR_LISP ("system-time-locale", &Vsystem_time_locale, |
7db35a48 | 2524 | doc: /* System locale for time. */); |
ca9c0567 | 2525 | Vsystem_time_locale = Qnil; |
68c45bf0 | 2526 | |
ca9c0567 | 2527 | DEFVAR_LISP ("previous-system-time-locale", &Vprevious_system_time_locale, |
7db35a48 | 2528 | doc: /* Most recently used system locale for time. */); |
ca9c0567 | 2529 | Vprevious_system_time_locale = Qnil; |
90503d96 CY |
2530 | |
2531 | DEFVAR_LISP ("before-init-time", &Vbefore_init_time, | |
2532 | doc: /* Value of `current-time' before Emacs begins initialization. */); | |
2533 | Vbefore_init_time = Qnil; | |
2534 | ||
2535 | DEFVAR_LISP ("after-init-time", &Vafter_init_time, | |
2536 | doc: /* Value of `current-time' after loading the init files. | |
2537 | This is nil during initialization. */); | |
2538 | Vafter_init_time = Qnil; | |
fc012771 | 2539 | |
8686ac71 | 2540 | DEFVAR_BOOL ("inhibit-x-resources", &inhibit_x_resources, |
9b68317c | 2541 | doc: /* If non-nil, X resources, Windows Registry settings, and NS defaults are not used. */); |
8686ac71 JB |
2542 | inhibit_x_resources = 0; |
2543 | ||
8c5ff6dd KR |
2544 | DEFVAR_LISP ("emacs-copyright", &Vemacs_copyright, |
2545 | doc: /* Short copyright string for this version of Emacs. */); | |
2546 | Vemacs_copyright = build_string (emacs_copyright); | |
2547 | ||
2548 | DEFVAR_LISP ("emacs-version", &Vemacs_version, | |
2549 | doc: /* Version numbers of this version of Emacs. */); | |
2550 | Vemacs_version = build_string (emacs_version); | |
2551 | ||
fc012771 SM |
2552 | /* Make sure IS_DAEMON starts up as false. */ |
2553 | daemon_pipe[1] = 0; | |
f927c5ae | 2554 | } |
6b61353c KH |
2555 | |
2556 | /* arch-tag: 7bfd356a-c720-4612-8ab6-aa4222931c2e | |
2557 | (do not change this comment) */ |