Commit | Line | Data |
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f927c5ae | 1 | /* Fully extensible Emacs, running on Unix, intended for GNU. |
bd6bc222 | 2 | |
acaf905b | 3 | Copyright (C) 1985-1987, 1993-1995, 1997-1999, 2001-2012 |
bd6bc222 | 4 | Free Software Foundation, Inc. |
f927c5ae JB |
5 | |
6 | This file is part of GNU Emacs. | |
7 | ||
9ec0b715 | 8 | GNU Emacs is free software: you can redistribute it and/or modify |
f927c5ae | 9 | it under the terms of the GNU General Public License as published by |
9ec0b715 GM |
10 | the Free Software Foundation, either version 3 of the License, or |
11 | (at your option) any later version. | |
f927c5ae JB |
12 | |
13 | GNU Emacs is distributed in the hope that it will be useful, | |
14 | but WITHOUT ANY WARRANTY; without even the implied warranty of | |
15 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
16 | GNU General Public License for more details. | |
17 | ||
18 | You should have received a copy of the GNU General Public License | |
9ec0b715 | 19 | along with GNU Emacs. If not, see <http://www.gnu.org/licenses/>. */ |
f927c5ae JB |
20 | |
21 | ||
68c45bf0 | 22 | #include <config.h> |
f927c5ae | 23 | #include <errno.h> |
f927c5ae JB |
24 | #include <stdio.h> |
25 | ||
26 | #include <sys/types.h> | |
27 | #include <sys/file.h> | |
cda4a5fd | 28 | #include <unistd.h> |
cda4a5fd | 29 | |
7ccfb720 | 30 | #include <close-stream.h> |
01108e3f | 31 | #include <ignore-value.h> |
0898ca10 | 32 | |
0898ca10 | 33 | #include "lisp.h" |
17a2cbbd | 34 | |
edd3ff1d JR |
35 | #ifdef WINDOWSNT |
36 | #include <fcntl.h> | |
52c7f9ee | 37 | #include "w32.h" |
0fda9b75 DC |
38 | #include "w32heap.h" |
39 | #endif | |
40 | ||
a9e7a9d5 | 41 | #if defined WINDOWSNT || defined HAVE_NTGUI |
0fda9b75 DC |
42 | #include "w32select.h" |
43 | #include "w32font.h" | |
44 | #endif | |
45 | ||
a9e7a9d5 | 46 | #if defined HAVE_NTGUI && defined CYGWIN |
0fda9b75 | 47 | #include "cygw32.h" |
edd3ff1d JR |
48 | #endif |
49 | ||
b3317662 FP |
50 | #ifdef HAVE_WINDOW_SYSTEM |
51 | #include TERM_HEADER | |
52 | #endif /* HAVE_WINDOW_SYSTEM */ | |
53 | ||
edfda783 AR |
54 | #ifdef NS_IMPL_GNUSTEP |
55 | /* At least under Debian, GSConfig is in a subdirectory. --Stef */ | |
56 | #include <GNUstepBase/GSConfig.h> | |
57 | #endif | |
58 | ||
f927c5ae | 59 | #include "commands.h" |
bef79ee4 | 60 | #include "intervals.h" |
e5560ff7 | 61 | #include "character.h" |
a08a816a | 62 | #include "buffer.h" |
3f6abfd7 | 63 | #include "window.h" |
f927c5ae | 64 | |
edc8ae07 | 65 | #include "systty.h" |
4d7e6e51 | 66 | #include "atimer.h" |
6c3a4e9d | 67 | #include "blockinput.h" |
8090eb09 | 68 | #include "syssignal.h" |
6c362a8b | 69 | #include "process.h" |
428a555e | 70 | #include "frame.h" |
5bda49c6 | 71 | #include "termhooks.h" |
dfcf069d | 72 | #include "keyboard.h" |
e35f6ff7 | 73 | #include "keymap.h" |
a41f8bed | 74 | |
8af55556 TZ |
75 | #ifdef HAVE_GNUTLS |
76 | #include "gnutls.h" | |
77 | #endif | |
78 | ||
9e4bf381 PE |
79 | #if (defined PROFILING \ |
80 | && (defined __FreeBSD__ || defined GNU_LINUX || defined __MINGW32__)) | |
81 | # include <sys/gmon.h> | |
82 | extern void moncontrol (int mode); | |
83 | #endif | |
84 | ||
68c45bf0 PE |
85 | #ifdef HAVE_SETLOCALE |
86 | #include <locale.h> | |
87 | #endif | |
88 | ||
53c58b5d RS |
89 | #ifdef HAVE_SETRLIMIT |
90 | #include <sys/time.h> | |
91 | #include <sys/resource.h> | |
92 | #endif | |
93 | ||
dede2792 JD |
94 | #ifdef HAVE_PERSONALITY_LINUX32 |
95 | #include <sys/personality.h> | |
96 | #endif | |
97 | ||
16fab143 | 98 | static const char emacs_version[] = VERSION; |
78f83752 | 99 | static const char emacs_copyright[] = COPYRIGHT; |
8c5ff6dd | 100 | |
7e9fa161 JB |
101 | /* Empty lisp strings. To avoid having to build any others. */ |
102 | Lisp_Object empty_unibyte_string, empty_multibyte_string; | |
f9a6326d | 103 | |
aa15c6bb JB |
104 | #ifdef WINDOWSNT |
105 | /* Cache for externally loaded libraries. */ | |
106 | Lisp_Object Vlibrary_cache; | |
107 | #endif | |
108 | ||
1882aa38 PE |
109 | /* Set after Emacs has started up the first time. |
110 | Prevents reinitialization of the Lisp world and keymaps | |
111 | on subsequent starts. */ | |
112 | bool initialized; | |
f927c5ae | 113 | |
4393663b JD |
114 | #ifdef DARWIN_OS |
115 | extern void unexec_init_emacs_zone (void); | |
116 | #endif | |
117 | ||
15aaf1b5 RS |
118 | #ifdef DOUG_LEA_MALLOC |
119 | /* Preserves a pointer to the memory allocated that copies that | |
120 | static data inside glibc's malloc. */ | |
35f08c38 | 121 | static void *malloc_state_ptr; |
15aaf1b5 | 122 | /* From glibc, a routine that returns a copy of the malloc internal state. */ |
dd4c5104 | 123 | extern void *malloc_get_state (void); |
15aaf1b5 | 124 | /* From glibc, a routine that overwrites the malloc internal state. */ |
dd4c5104 | 125 | extern int malloc_set_state (void*); |
1882aa38 | 126 | /* True if the MALLOC_CHECK_ environment variable was set while |
7c9cd446 | 127 | dumping. Used to work around a bug in glibc's malloc. */ |
1882aa38 | 128 | static bool malloc_using_checking; |
15aaf1b5 RS |
129 | #endif |
130 | ||
213d0b1f RS |
131 | Lisp_Object Qfile_name_handler_alist; |
132 | ||
9dc3366b GM |
133 | Lisp_Object Qrisky_local_variable; |
134 | ||
6c07aac2 AS |
135 | Lisp_Object Qkill_emacs; |
136 | ||
1882aa38 | 137 | /* If true, Emacs should not attempt to use a window-specific code, |
7db35a48 | 138 | but instead should use the virtual terminal under which it was started. */ |
1882aa38 | 139 | bool inhibit_window_system; |
f927c5ae | 140 | |
1882aa38 | 141 | /* If true, a filter or a sentinel is running. Tested to save the match |
7db35a48 | 142 | data on the first attempt to change it inside asynchronous code. */ |
1882aa38 | 143 | bool running_asynch_code; |
7074fde6 | 144 | |
5e617bc2 | 145 | #if defined (HAVE_X_WINDOWS) || defined (HAVE_NS) |
1882aa38 PE |
146 | /* If true, -d was specified, meaning we're using some window system. */ |
147 | bool display_arg; | |
f927c5ae JB |
148 | #endif |
149 | ||
150 | /* An address near the bottom of the stack. | |
151 | Tells GC how to save a copy of the stack. */ | |
152 | char *stack_bottom; | |
153 | ||
2949f33b | 154 | #if defined (DOUG_LEA_MALLOC) || defined (GNU_LINUX) |
dede2792 JD |
155 | /* The address where the heap starts (from the first sbrk (0) call). */ |
156 | static void *my_heap_start; | |
2949f33b | 157 | #endif |
dede2792 | 158 | |
b312a492 | 159 | #ifdef GNU_LINUX |
dede2792 | 160 | /* The gap between BSS end and heap start as far as we can tell. */ |
b312a492 PE |
161 | static uprintmax_t heap_bss_diff; |
162 | #endif | |
dede2792 | 163 | |
ce9f00e4 DC |
164 | /* To run as a daemon under Cocoa or Windows, we must do a fork+exec, |
165 | not a simple fork. | |
166 | ||
167 | On Cocoa, CoreFoundation lib fails in forked process: | |
168 | http://developer.apple.com/ReleaseNotes/ | |
169 | CoreFoundation/CoreFoundation.html) | |
170 | ||
171 | On Windows, a Cygwin fork child cannot access the USER subsystem. | |
172 | ||
173 | We mark being in the exec'd process by a daemon name argument of | |
174 | form "--daemon=\nFD0,FD1\nNAME" where FD are the pipe file descriptors, | |
175 | NAME is the original daemon name, if any. */ | |
a9e7a9d5 | 176 | #if defined NS_IMPL_COCOA || (defined HAVE_NTGUI && defined CYGWIN) |
ce9f00e4 DC |
177 | # define DAEMON_MUST_EXEC |
178 | #endif | |
179 | ||
1882aa38 PE |
180 | /* True means running Emacs without interactive terminal. */ |
181 | bool noninteractive; | |
f927c5ae | 182 | |
1882aa38 PE |
183 | /* True means remove site-lisp directories from load-path. */ |
184 | bool no_site_lisp; | |
66b7b0fe | 185 | |
4ff029f6 DN |
186 | /* Name for the server started by the daemon.*/ |
187 | static char *daemon_name; | |
eab2ee89 | 188 | |
5790ef40 DN |
189 | /* Pipe used to send exit notification to the daemon parent at |
190 | startup. */ | |
ff808935 | 191 | int daemon_pipe[2]; |
fc012771 | 192 | |
e29f86e4 RS |
193 | /* Save argv and argc. */ |
194 | char **initial_argv; | |
195 | int initial_argc; | |
081bef73 | 196 | |
dd4c5104 | 197 | static void sort_args (int argc, char **argv); |
35f08c38 | 198 | static void syms_of_emacs (void); |
bd4590ba | 199 | |
6b61353c KH |
200 | /* MSVC needs each string be shorter than 2048 bytes, so the usage |
201 | strings below are split to not overflow this limit. */ | |
73ebcd25 | 202 | #define USAGE1 "\ |
bd4590ba GM |
203 | Usage: %s [OPTION-OR-FILENAME]...\n\ |
204 | \n\ | |
205 | Run Emacs, the extensible, customizable, self-documenting real-time\n\ | |
206 | display editor. The recommended way to start Emacs for normal editing\n\ | |
207 | is with no options at all.\n\ | |
208 | \n\ | |
49ca717b | 209 | Run M-x info RET m emacs RET m emacs invocation RET inside Emacs to\n\ |
bd4590ba GM |
210 | read the main documentation for these command-line arguments.\n\ |
211 | \n\ | |
212 | Initialization options:\n\ | |
213 | \n\ | |
6b61353c | 214 | --batch do not do interactive display; implies -q\n\ |
f63d0028 | 215 | --chdir DIR change to directory DIR\n\ |
598898a7 | 216 | --daemon start a server in the background\n\ |
6b61353c KH |
217 | --debug-init enable Emacs Lisp debugger for init file\n\ |
218 | --display, -d DISPLAY use X server DISPLAY\n\ | |
6b61353c KH |
219 | --no-desktop do not load a saved desktop\n\ |
220 | --no-init-file, -q load neither ~/.emacs nor default.el\n\ | |
221 | --no-shared-memory, -nl do not use shared memory\n\ | |
222 | --no-site-file do not load site-start.el\n\ | |
66b7b0fe | 223 | --no-site-lisp, -nsl do not add site-lisp directories to load-path\n\ |
6b61353c | 224 | --no-splash do not display a splash screen on startup\n\ |
2ff86b4e | 225 | --no-window-system, -nw do not communicate with X, ignoring $DISPLAY\n\ |
66b7b0fe GM |
226 | --quick, -Q equivalent to:\n\ |
227 | -q --no-site-file --no-site-lisp --no-splash\n\ | |
6b61353c KH |
228 | --script FILE run FILE as an Emacs Lisp script\n\ |
229 | --terminal, -t DEVICE use DEVICE for terminal I/O\n\ | |
6b61353c KH |
230 | --user, -u USER load ~USER/.emacs instead of your own\n\ |
231 | \n%s" | |
232 | ||
233 | #define USAGE2 "\ | |
bd4590ba GM |
234 | Action options:\n\ |
235 | \n\ | |
6b61353c | 236 | FILE visit FILE using find-file\n\ |
9020b223 GM |
237 | +LINE go to line LINE in next FILE\n\ |
238 | +LINE:COLUMN go to line LINE, column COLUMN, in next FILE\n\ | |
6b61353c KH |
239 | --directory, -L DIR add DIR to variable load-path\n\ |
240 | --eval EXPR evaluate Emacs Lisp expression EXPR\n\ | |
241 | --execute EXPR evaluate Emacs Lisp expression EXPR\n\ | |
242 | --file FILE visit FILE using find-file\n\ | |
243 | --find-file FILE visit FILE using find-file\n\ | |
244 | --funcall, -f FUNC call Emacs Lisp function FUNC with no arguments\n\ | |
245 | --insert FILE insert contents of FILE into current buffer\n\ | |
246 | --kill exit without asking for confirmation\n\ | |
247 | --load, -l FILE load Emacs Lisp FILE using the load function\n\ | |
248 | --visit FILE visit FILE using find-file\n\ | |
73ebcd25 AI |
249 | \n" |
250 | ||
6b61353c | 251 | #define USAGE3 "\ |
5b2ca26b | 252 | Display options:\n\ |
bd4590ba | 253 | \n\ |
6b61353c | 254 | --background-color, -bg COLOR window background color\n\ |
2ff86b4e NR |
255 | --basic-display, -D disable many display features;\n\ |
256 | used for debugging Emacs\n\ | |
6b61353c KH |
257 | --border-color, -bd COLOR main border color\n\ |
258 | --border-width, -bw WIDTH width of main border\n\ | |
ced74849 | 259 | --color, --color=MODE override color mode for character terminals;\n\ |
62973b41 JB |
260 | MODE defaults to `auto', and\n\ |
261 | can also be `never', `always',\n\ | |
6b61353c KH |
262 | or a mode name like `ansi8'\n\ |
263 | --cursor-color, -cr COLOR color of the Emacs cursor indicating point\n\ | |
264 | --font, -fn FONT default font; must be fixed-width\n\ | |
265 | --foreground-color, -fg COLOR window foreground color\n\ | |
266 | --fullheight, -fh make the first frame high as the screen\n\ | |
62973b41 | 267 | --fullscreen, -fs make the first frame fullscreen\n\ |
6b61353c | 268 | --fullwidth, -fw make the first frame wide as the screen\n\ |
3f1c6666 | 269 | --maximized, -mm make the first frame maximized\n\ |
6b61353c | 270 | --geometry, -g GEOMETRY window geometry\n\ |
f9e36a6d | 271 | --no-bitmap-icon, -nbi do not use picture of gnu for Emacs icon\n\ |
6b61353c KH |
272 | --iconic start Emacs in iconified state\n\ |
273 | --internal-border, -ib WIDTH width between text and main border\n\ | |
274 | --line-spacing, -lsp PIXELS additional space to put between lines\n\ | |
275 | --mouse-color, -ms COLOR mouse cursor color in Emacs window\n\ | |
276 | --name NAME title for initial Emacs frame\n\ | |
49ca717b | 277 | --no-blinking-cursor, -nbc disable blinking cursor\n\ |
6b61353c KH |
278 | --reverse-video, -r, -rv switch foreground and background\n\ |
279 | --title, -T TITLE title for initial Emacs frame\n\ | |
280 | --vertical-scroll-bars, -vb enable vertical scroll bars\n\ | |
281 | --xrm XRESOURCES set additional X resources\n\ | |
1540a61a | 282 | --parent-id XID set parent window\n\ |
6b61353c KH |
283 | --help display this help and exit\n\ |
284 | --version output version information and exit\n\ | |
07beadff JR |
285 | \n" |
286 | ||
287 | #define USAGE4 "\ | |
bd4590ba GM |
288 | You can generally also specify long option names with a single -; for\n\ |
289 | example, -batch as well as --batch. You can use any unambiguous\n\ | |
290 | abbreviation for a --option.\n\ | |
291 | \n\ | |
292 | Various environment variables and window system resources also affect\n\ | |
293 | Emacs' operation. See the main documentation.\n\ | |
07beadff | 294 | \n\ |
17284745 | 295 | Report bugs to bug-gnu-emacs@gnu.org. First, please see the Bugs\n\ |
bd4590ba GM |
296 | section of the Emacs manual or the file BUGS.\n" |
297 | ||
f927c5ae | 298 | \f |
1882aa38 PE |
299 | /* True if handling a fatal error already. */ |
300 | bool fatal_error_in_progress; | |
333f1b6f | 301 | |
204ee57f JD |
302 | #ifdef HAVE_NS |
303 | /* NS autrelease pool, for memory management. */ | |
304 | static void *ns_pool; | |
9e4bf381 PE |
305 | #endif |
306 | ||
204ee57f | 307 | |
4fab758d | 308 | |
cf29dd84 PE |
309 | /* Report a fatal error due to signal SIG, output a backtrace of at |
310 | most BACKTRACE_LIMIT lines, and exit. */ | |
311 | _Noreturn void | |
4d7e6e51 | 312 | terminate_due_to_signal (int sig, int backtrace_limit) |
f927c5ae | 313 | { |
f927c5ae | 314 | signal (sig, SIG_DFL); |
4d7e6e51 | 315 | totally_unblock_input (); |
061b7f94 | 316 | |
f927c5ae | 317 | /* If fatal error occurs in code below, avoid infinite recursion. */ |
8090eb09 JB |
318 | if (! fatal_error_in_progress) |
319 | { | |
320 | fatal_error_in_progress = 1; | |
f927c5ae | 321 | |
9c524fcb | 322 | if (sig == SIGTERM || sig == SIGHUP || sig == SIGINT) |
f63d0028 JD |
323 | Fkill_emacs (make_number (sig)); |
324 | ||
1882aa38 | 325 | shut_down_emacs (sig, Qnil); |
cf29dd84 | 326 | emacs_backtrace (backtrace_limit); |
8090eb09 | 327 | } |
f927c5ae | 328 | |
8090eb09 | 329 | /* Signal the same code; this time it will really be fatal. |
4d7e6e51 PE |
330 | Since we're in a signal handler, the signal is blocked, so we |
331 | have to unblock it if we want to really receive it. */ | |
29b89fe0 | 332 | #ifndef MSDOS |
2fe28299 PE |
333 | { |
334 | sigset_t unblocked; | |
335 | sigemptyset (&unblocked); | |
4d7e6e51 | 336 | sigaddset (&unblocked, sig); |
2fe28299 PE |
337 | pthread_sigmask (SIG_UNBLOCK, &unblocked, 0); |
338 | } | |
29b89fe0 | 339 | #endif |
4fab758d | 340 | |
4d7e6e51 | 341 | emacs_raise (sig); |
cf29dd84 PE |
342 | |
343 | /* This shouldn't be executed, but it prevents a warning. */ | |
344 | exit (1); | |
f927c5ae | 345 | } |
271c7b7c RS |
346 | |
347 | #ifdef SIGDANGER | |
348 | ||
16c323ee | 349 | /* Handler for SIGDANGER. */ |
20ef56db PE |
350 | static void |
351 | handle_danger_signal (int sig) | |
271c7b7c | 352 | { |
271c7b7c | 353 | malloc_warning ("Operating system warns that virtual memory is running low.\n"); |
55796183 RS |
354 | |
355 | /* It might be unsafe to call do_auto_save now. */ | |
356 | force_auto_save_soon (); | |
271c7b7c | 357 | } |
fcf01ad3 | 358 | |
20ef56db PE |
359 | static void |
360 | deliver_danger_signal (int sig) | |
fcf01ad3 | 361 | { |
4d7e6e51 | 362 | deliver_process_signal (sig, handle_danger_signal); |
fcf01ad3 | 363 | } |
c9fe9cce | 364 | #endif |
f927c5ae | 365 | \f |
7db35a48 | 366 | /* Code for dealing with Lisp access to the Unix command line. */ |
f927c5ae | 367 | |
dfcf069d | 368 | static void |
dd4c5104 | 369 | init_cmdargs (int argc, char **argv, int skip_args) |
f927c5ae JB |
370 | { |
371 | register int i; | |
74f10ca7 | 372 | Lisp_Object name, dir, handler; |
d311d28c | 373 | ptrdiff_t count = SPECPDL_INDEX (); |
213d0b1f | 374 | Lisp_Object raw_name; |
f927c5ae | 375 | |
e29f86e4 RS |
376 | initial_argv = argv; |
377 | initial_argc = argc; | |
378 | ||
213d0b1f RS |
379 | raw_name = build_string (argv[0]); |
380 | ||
381 | /* Add /: to the front of the name | |
382 | if it would otherwise be treated as magic. */ | |
74f10ca7 PE |
383 | handler = Ffind_file_name_handler (raw_name, Qt); |
384 | if (! NILP (handler)) | |
213d0b1f RS |
385 | raw_name = concat2 (build_string ("/:"), raw_name); |
386 | ||
387 | Vinvocation_name = Ffile_name_nondirectory (raw_name); | |
388 | Vinvocation_directory = Ffile_name_directory (raw_name); | |
389 | ||
ace40a69 RS |
390 | /* If we got no directory in argv[0], search PATH to find where |
391 | Emacs actually came from. */ | |
392 | if (NILP (Vinvocation_directory)) | |
393 | { | |
394 | Lisp_Object found; | |
395 | int yes = openp (Vexec_path, Vinvocation_name, | |
10c0915e | 396 | Vexec_suffixes, &found, make_number (X_OK)); |
e443f843 | 397 | if (yes == 1) |
213d0b1f RS |
398 | { |
399 | /* Add /: to the front of the name | |
400 | if it would otherwise be treated as magic. */ | |
74f10ca7 PE |
401 | handler = Ffind_file_name_handler (found, Qt); |
402 | if (! NILP (handler)) | |
213d0b1f RS |
403 | found = concat2 (build_string ("/:"), found); |
404 | Vinvocation_directory = Ffile_name_directory (found); | |
405 | } | |
ace40a69 | 406 | } |
59653951 | 407 | |
4133b300 RS |
408 | if (!NILP (Vinvocation_directory) |
409 | && NILP (Ffile_name_absolute_p (Vinvocation_directory))) | |
213d0b1f RS |
410 | /* Emacs was started with relative path, like ./emacs. |
411 | Make it absolute. */ | |
4133b300 RS |
412 | Vinvocation_directory = Fexpand_file_name (Vinvocation_directory, Qnil); |
413 | ||
07f4d123 RS |
414 | Vinstallation_directory = Qnil; |
415 | ||
416 | if (!NILP (Vinvocation_directory)) | |
417 | { | |
418 | dir = Vinvocation_directory; | |
76151e2c EZ |
419 | #ifdef WINDOWSNT |
420 | /* If we are running from the build directory, set DIR to the | |
421 | src subdirectory of the Emacs tree, like on Posix | |
422 | platforms. */ | |
423 | if (SBYTES (dir) > sizeof ("/i386/") - 1 | |
424 | && 0 == strcmp (SSDATA (dir) + SBYTES (dir) - sizeof ("/i386/") + 1, | |
425 | "/i386/")) | |
426 | dir = Fexpand_file_name (build_string ("../.."), dir); | |
427 | #else /* !WINDOWSNT */ | |
428 | #endif | |
07f4d123 RS |
429 | name = Fexpand_file_name (Vinvocation_name, dir); |
430 | while (1) | |
431 | { | |
f5ab9736 | 432 | Lisp_Object tem, lib_src_exists; |
07f4d123 RS |
433 | Lisp_Object etc_exists, info_exists; |
434 | ||
f5ab9736 RS |
435 | /* See if dir contains subdirs for use by Emacs. |
436 | Check for the ones that would exist in a build directory, | |
437 | not including lisp and info. */ | |
438 | tem = Fexpand_file_name (build_string ("lib-src"), dir); | |
439 | lib_src_exists = Ffile_exists_p (tem); | |
de004cc6 | 440 | |
70344b34 | 441 | #ifdef MSDOS |
de004cc6 RS |
442 | /* MSDOS installations frequently remove lib-src, but we still |
443 | must set installation-directory, or else info won't find | |
444 | its files (it uses the value of installation-directory). */ | |
445 | tem = Fexpand_file_name (build_string ("info"), dir); | |
446 | info_exists = Ffile_exists_p (tem); | |
70344b34 EZ |
447 | #else |
448 | info_exists = Qnil; | |
449 | #endif | |
de004cc6 RS |
450 | |
451 | if (!NILP (lib_src_exists) || !NILP (info_exists)) | |
07f4d123 | 452 | { |
f5ab9736 RS |
453 | tem = Fexpand_file_name (build_string ("etc"), dir); |
454 | etc_exists = Ffile_exists_p (tem); | |
455 | if (!NILP (etc_exists)) | |
07f4d123 | 456 | { |
f5ab9736 RS |
457 | Vinstallation_directory |
458 | = Ffile_name_as_directory (dir); | |
459 | break; | |
07f4d123 RS |
460 | } |
461 | } | |
462 | ||
463 | /* See if dir's parent contains those subdirs. */ | |
f5ab9736 RS |
464 | tem = Fexpand_file_name (build_string ("../lib-src"), dir); |
465 | lib_src_exists = Ffile_exists_p (tem); | |
de004cc6 | 466 | |
70344b34 EZ |
467 | |
468 | #ifdef MSDOS | |
469 | /* See the MSDOS commentary above. */ | |
de004cc6 RS |
470 | tem = Fexpand_file_name (build_string ("../info"), dir); |
471 | info_exists = Ffile_exists_p (tem); | |
70344b34 EZ |
472 | #else |
473 | info_exists = Qnil; | |
474 | #endif | |
de004cc6 RS |
475 | |
476 | if (!NILP (lib_src_exists) || !NILP (info_exists)) | |
07f4d123 | 477 | { |
f5ab9736 RS |
478 | tem = Fexpand_file_name (build_string ("../etc"), dir); |
479 | etc_exists = Ffile_exists_p (tem); | |
480 | if (!NILP (etc_exists)) | |
07f4d123 | 481 | { |
f5ab9736 RS |
482 | tem = Fexpand_file_name (build_string (".."), dir); |
483 | Vinstallation_directory | |
484 | = Ffile_name_as_directory (tem); | |
485 | break; | |
07f4d123 RS |
486 | } |
487 | } | |
488 | ||
489 | /* If the Emacs executable is actually a link, | |
490 | next try the dir that the link points into. */ | |
491 | tem = Ffile_symlink_p (name); | |
492 | if (!NILP (tem)) | |
493 | { | |
260ec24d | 494 | name = Fexpand_file_name (tem, dir); |
07f4d123 RS |
495 | dir = Ffile_name_directory (name); |
496 | } | |
497 | else | |
498 | break; | |
499 | } | |
500 | } | |
501 | ||
f927c5ae JB |
502 | Vcommand_line_args = Qnil; |
503 | ||
504 | for (i = argc - 1; i >= 0; i--) | |
505 | { | |
506 | if (i == 0 || i > skip_args) | |
a520393d KH |
507 | /* For the moment, we keep arguments as is in unibyte strings. |
508 | They are decoded in the function command-line after we know | |
509 | locale-coding-system. */ | |
f927c5ae | 510 | Vcommand_line_args |
68db37aa | 511 | = Fcons (make_unibyte_string (argv[i], strlen (argv[i])), |
a520393d | 512 | Vcommand_line_args); |
f927c5ae | 513 | } |
213d0b1f RS |
514 | |
515 | unbind_to (count, Qnil); | |
f927c5ae | 516 | } |
59653951 JB |
517 | |
518 | DEFUN ("invocation-name", Finvocation_name, Sinvocation_name, 0, 0, 0, | |
7db35a48 PJ |
519 | doc: /* Return the program name that was used to run Emacs. |
520 | Any directory names are omitted. */) | |
5842a27b | 521 | (void) |
59653951 JB |
522 | { |
523 | return Fcopy_sequence (Vinvocation_name); | |
524 | } | |
525 | ||
ace40a69 | 526 | DEFUN ("invocation-directory", Finvocation_directory, Sinvocation_directory, |
7db35a48 PJ |
527 | 0, 0, 0, |
528 | doc: /* Return the directory name in which the Emacs executable was located. */) | |
5842a27b | 529 | (void) |
ace40a69 RS |
530 | { |
531 | return Fcopy_sequence (Vinvocation_directory); | |
532 | } | |
533 | ||
f927c5ae | 534 | \f |
0269dedb RS |
535 | #ifdef HAVE_TZSET |
536 | /* A valid but unlikely value for the TZ environment value. | |
537 | It is OK (though a bit slower) if the user actually chooses this value. */ | |
5745a7df | 538 | static char const dump_tz[] = "UtC0"; |
0269dedb RS |
539 | #endif |
540 | ||
a90538cb | 541 | #ifndef ORDINARY_LINK |
efd241cc RS |
542 | /* We don't include crtbegin.o and crtend.o in the link, |
543 | so these functions and variables might be missed. | |
544 | Provide dummy definitions to avoid error. | |
545 | (We don't have any real constructors or destructors.) */ | |
546 | #ifdef __GNUC__ | |
244fc23d PE |
547 | |
548 | /* Define a dummy function F. Declare F too, to pacify gcc | |
549 | -Wmissing-prototypes. */ | |
35f08c38 | 550 | #define DEFINE_DUMMY_FUNCTION(f) \ |
5994c183 | 551 | void f (void) ATTRIBUTE_CONST EXTERNALLY_VISIBLE; void f (void) {} |
244fc23d | 552 | |
46e65b73 | 553 | #ifndef GCC_CTORS_IN_LIBC |
244fc23d PE |
554 | DEFINE_DUMMY_FUNCTION (__do_global_ctors) |
555 | DEFINE_DUMMY_FUNCTION (__do_global_ctors_aux) | |
556 | DEFINE_DUMMY_FUNCTION (__do_global_dtors) | |
554061d8 | 557 | /* GNU/Linux has a bug in its library; avoid an error. */ |
8a2a6032 | 558 | #ifndef GNU_LINUX |
35f08c38 | 559 | char * __CTOR_LIST__[2] EXTERNALLY_VISIBLE = { (char *) (-1), 0 }; |
64c1864a | 560 | #endif |
35f08c38 | 561 | char * __DTOR_LIST__[2] EXTERNALLY_VISIBLE = { (char *) (-1), 0 }; |
46e65b73 | 562 | #endif /* GCC_CTORS_IN_LIBC */ |
244fc23d | 563 | DEFINE_DUMMY_FUNCTION (__main) |
efd241cc | 564 | #endif /* __GNUC__ */ |
a90538cb | 565 | #endif /* ORDINARY_LINK */ |
efd241cc | 566 | |
e2925360 KH |
567 | /* Test whether the next argument in ARGV matches SSTR or a prefix of |
568 | LSTR (at least MINLEN characters). If so, then if VALPTR is non-null | |
569 | (the argument is supposed to have a value) store in *VALPTR either | |
570 | the next argument or the portion of this one after the equal sign. | |
571 | ARGV is read starting at position *SKIPPTR; this index is advanced | |
572 | by the number of arguments used. | |
573 | ||
574 | Too bad we can't just use getopt for all of this, but we don't have | |
575 | enough information to do it right. */ | |
081bef73 | 576 | |
1882aa38 | 577 | static bool |
62973b41 JB |
578 | argmatch (char **argv, int argc, const char *sstr, const char *lstr, |
579 | int minlen, char **valptr, int *skipptr) | |
e2925360 | 580 | { |
6bbd7a29 | 581 | char *p = NULL; |
0b963a93 | 582 | ptrdiff_t arglen; |
df6530f8 RS |
583 | char *arg; |
584 | ||
585 | /* Don't access argv[argc]; give up in advance. */ | |
586 | if (argc <= *skipptr + 1) | |
587 | return 0; | |
588 | ||
589 | arg = argv[*skipptr+1]; | |
e2925360 KH |
590 | if (arg == NULL) |
591 | return 0; | |
592 | if (strcmp (arg, sstr) == 0) | |
593 | { | |
594 | if (valptr != NULL) | |
595 | { | |
596 | *valptr = argv[*skipptr+2]; | |
597 | *skipptr += 2; | |
598 | } | |
599 | else | |
600 | *skipptr += 1; | |
601 | return 1; | |
602 | } | |
8966b757 | 603 | arglen = (valptr != NULL && (p = strchr (arg, '=')) != NULL |
e2925360 | 604 | ? p - arg : strlen (arg)); |
c03e1113 | 605 | if (lstr == 0 || arglen < minlen || strncmp (arg, lstr, arglen) != 0) |
e2925360 KH |
606 | return 0; |
607 | else if (valptr == NULL) | |
608 | { | |
609 | *skipptr += 1; | |
610 | return 1; | |
611 | } | |
612 | else if (p != NULL) | |
613 | { | |
614 | *valptr = p+1; | |
615 | *skipptr += 1; | |
616 | return 1; | |
617 | } | |
618 | else if (argv[*skipptr+2] != NULL) | |
619 | { | |
620 | *valptr = argv[*skipptr+2]; | |
621 | *skipptr += 2; | |
622 | return 1; | |
623 | } | |
624 | else | |
625 | { | |
626 | return 0; | |
627 | } | |
628 | } | |
629 | ||
b6779252 | 630 | #ifdef DOUG_LEA_MALLOC |
f927c5ae | 631 | |
b6779252 KH |
632 | /* malloc can be invoked even before main (e.g. by the dynamic |
633 | linker), so the dumped malloc state must be restored as early as | |
634 | possible using this special hook. */ | |
635 | ||
636 | static void | |
dd4c5104 | 637 | malloc_initialize_hook (void) |
b6779252 | 638 | { |
15aaf1b5 RS |
639 | if (initialized) |
640 | { | |
7c9cd446 AS |
641 | if (!malloc_using_checking) |
642 | /* Work around a bug in glibc's malloc. MALLOC_CHECK_ must be | |
643 | ignored if the heap to be restored was constructed without | |
d942e12a AS |
644 | malloc checking. Can't use unsetenv, since that calls malloc. */ |
645 | { | |
646 | char **p; | |
647 | ||
a57c4026 | 648 | for (p = environ; p && *p; p++) |
d942e12a AS |
649 | if (strncmp (*p, "MALLOC_CHECK_=", 14) == 0) |
650 | { | |
651 | do | |
652 | *p = p[1]; | |
653 | while (*++p); | |
654 | break; | |
655 | } | |
656 | } | |
b6779252 | 657 | |
15aaf1b5 | 658 | malloc_set_state (malloc_state_ptr); |
68db37aa | 659 | #ifndef XMALLOC_OVERRUN_CHECK |
15aaf1b5 | 660 | free (malloc_state_ptr); |
68db37aa | 661 | #endif |
15aaf1b5 | 662 | } |
7c9cd446 | 663 | else |
dede2792 JD |
664 | { |
665 | if (my_heap_start == 0) | |
666 | my_heap_start = sbrk (0); | |
667 | malloc_using_checking = getenv ("MALLOC_CHECK_") != NULL; | |
668 | } | |
b6779252 KH |
669 | } |
670 | ||
698d32e2 | 671 | void (*__malloc_initialize_hook) (void) EXTERNALLY_VISIBLE = malloc_initialize_hook; |
b6779252 KH |
672 | |
673 | #endif /* DOUG_LEA_MALLOC */ | |
674 | ||
7ccfb720 PE |
675 | /* Close standard output and standard error, reporting any write |
676 | errors as best we can. This is intended for use with atexit. */ | |
677 | static void | |
678 | close_output_streams (void) | |
679 | { | |
680 | if (close_stream (stdout) != 0) | |
681 | { | |
682 | fprintf (stderr, "Write error to standard output: %s\n", | |
76abf5e5 | 683 | strerror (errno)); |
7ccfb720 PE |
684 | fflush (stderr); |
685 | _exit (EXIT_FAILURE); | |
686 | } | |
687 | ||
688 | if (close_stream (stderr) != 0) | |
689 | _exit (EXIT_FAILURE); | |
690 | } | |
d883731c | 691 | |
b6779252 KH |
692 | /* ARGSUSED */ |
693 | int | |
7c2fb837 | 694 | main (int argc, char **argv) |
b6779252 | 695 | { |
2313132f | 696 | #if GC_MARK_STACK |
39ec21ea GM |
697 | Lisp_Object dummy; |
698 | #endif | |
b6779252 | 699 | char stack_bottom_variable; |
1882aa38 | 700 | bool do_initial_setlocale; |
4d7e6e51 | 701 | bool dumping; |
b6779252 | 702 | int skip_args = 0; |
b6779252 KH |
703 | #ifdef HAVE_SETRLIMIT |
704 | struct rlimit rlim; | |
705 | #endif | |
1882aa38 | 706 | bool no_loadup = 0; |
6e910e07 | 707 | char *junk = 0; |
4ff029f6 | 708 | char *dname_arg = 0; |
ce9f00e4 | 709 | #ifdef DAEMON_MUST_EXEC |
b3243e6f | 710 | char dname_arg2[80]; |
a9e7a9d5 | 711 | #endif |
f63d0028 | 712 | char *ch_to_dir; |
b6779252 | 713 | |
2313132f | 714 | #if GC_MARK_STACK |
39ec21ea GM |
715 | stack_base = &dummy; |
716 | #endif | |
717 | ||
4ffea447 | 718 | #ifdef G_SLICE_ALWAYS_MALLOC |
a4ef73c8 | 719 | /* This is used by the Cygwin build. */ |
5745a7df | 720 | xputenv ("G_SLICE=always-malloc"); |
a4ef73c8 CY |
721 | #endif |
722 | ||
b312a492 | 723 | #ifdef GNU_LINUX |
dede2792 JD |
724 | if (!initialized) |
725 | { | |
726 | extern char my_endbss[]; | |
727 | extern char *my_endbss_static; | |
728 | ||
729 | if (my_heap_start == 0) | |
730 | my_heap_start = sbrk (0); | |
731 | ||
732 | heap_bss_diff = (char *)my_heap_start - max (my_endbss, my_endbss_static); | |
733 | } | |
b312a492 | 734 | #endif |
dede2792 | 735 | |
d785cf9e RS |
736 | #ifdef RUN_TIME_REMAP |
737 | if (initialized) | |
738 | run_time_remap (argv[0]); | |
739 | #endif | |
740 | ||
14145fa3 AR |
741 | /* If using unexmacosx.c (set by s/darwin.h), we must do this. */ |
742 | #ifdef DARWIN_OS | |
e0f712ba AC |
743 | if (!initialized) |
744 | unexec_init_emacs_zone (); | |
745 | #endif | |
746 | ||
76abf5e5 PE |
747 | atexit (close_output_streams); |
748 | ||
081bef73 | 749 | sort_args (argc, argv); |
956e3c7e RS |
750 | argc = 0; |
751 | while (argv[argc]) argc++; | |
081bef73 | 752 | |
8c5ff6dd | 753 | if (argmatch (argv, argc, "-version", "--version", 3, NULL, &skip_args)) |
1702afef | 754 | { |
8c5ff6dd KR |
755 | const char *version, *copyright; |
756 | if (initialized) | |
5cf9ca93 | 757 | { |
8c5ff6dd KR |
758 | Lisp_Object tem, tem2; |
759 | tem = Fsymbol_value (intern_c_string ("emacs-version")); | |
760 | tem2 = Fsymbol_value (intern_c_string ("emacs-copyright")); | |
761 | if (!STRINGP (tem)) | |
762 | { | |
763 | fprintf (stderr, "Invalid value of `emacs-version'\n"); | |
764 | exit (1); | |
765 | } | |
766 | if (!STRINGP (tem2)) | |
767 | { | |
768 | fprintf (stderr, "Invalid value of `emacs-copyright'\n"); | |
769 | exit (1); | |
770 | } | |
771 | else | |
772 | { | |
42a5b22f PE |
773 | version = SSDATA (tem); |
774 | copyright = SSDATA (tem2); | |
8c5ff6dd | 775 | } |
5cf9ca93 | 776 | } |
1702afef RS |
777 | else |
778 | { | |
8c5ff6dd KR |
779 | version = emacs_version; |
780 | copyright = emacs_copyright; | |
1702afef | 781 | } |
8c5ff6dd KR |
782 | printf ("GNU Emacs %s\n", version); |
783 | printf ("%s\n", copyright); | |
784 | printf ("GNU Emacs comes with ABSOLUTELY NO WARRANTY.\n"); | |
785 | printf ("You may redistribute copies of Emacs\n"); | |
786 | printf ("under the terms of the GNU General Public License.\n"); | |
787 | printf ("For more information about these matters, "); | |
788 | printf ("see the file named COPYING.\n"); | |
789 | exit (0); | |
1702afef | 790 | } |
947f5e01 JM |
791 | |
792 | if (argmatch (argv, argc, "-chdir", "--chdir", 4, &ch_to_dir, &skip_args)) | |
793 | if (chdir (ch_to_dir) == -1) | |
794 | { | |
795 | fprintf (stderr, "%s: Can't chdir to %s: %s\n", | |
796 | argv[0], ch_to_dir, strerror (errno)); | |
797 | exit (1); | |
798 | } | |
f63d0028 | 799 | |
4d7e6e51 PE |
800 | dumping = !initialized && (strcmp (argv[argc - 1], "dump") == 0 |
801 | || strcmp (argv[argc - 1], "bootstrap") == 0); | |
1702afef | 802 | |
dede2792 | 803 | #ifdef HAVE_PERSONALITY_LINUX32 |
4d7e6e51 | 804 | if (dumping && ! getenv ("EMACS_HEAP_EXEC")) |
dede2792 | 805 | { |
fd75ddb2 | 806 | /* Set this so we only do this once. */ |
5745a7df | 807 | xputenv ("EMACS_HEAP_EXEC=true"); |
711877f3 | 808 | |
fd75ddb2 JD |
809 | /* A flag to turn off address randomization which is introduced |
810 | in linux kernel shipped with fedora core 4 */ | |
711877f3 | 811 | #define ADD_NO_RANDOMIZE 0x0040000 |
fd75ddb2 | 812 | personality (PER_LINUX32 | ADD_NO_RANDOMIZE); |
711877f3 MY |
813 | #undef ADD_NO_RANDOMIZE |
814 | ||
fd75ddb2 | 815 | execvp (argv[0], argv); |
dede2792 | 816 | |
fd75ddb2 JD |
817 | /* If the exec fails, try to dump anyway. */ |
818 | perror ("execvp"); | |
dede2792 JD |
819 | } |
820 | #endif /* HAVE_PERSONALITY_LINUX32 */ | |
821 | ||
ea2acec5 | 822 | #if defined (HAVE_SETRLIMIT) && defined (RLIMIT_STACK) |
6c2935e9 RS |
823 | /* Extend the stack space available. |
824 | Don't do that if dumping, since some systems (e.g. DJGPP) | |
825 | might define a smaller stack limit at that time. */ | |
826 | if (1 | |
827 | #ifndef CANNOT_DUMP | |
828 | && (!noninteractive || initialized) | |
829 | #endif | |
830 | && !getrlimit (RLIMIT_STACK, &rlim)) | |
53c58b5d | 831 | { |
509a8fcd | 832 | long newlim; |
fa8459a3 | 833 | extern size_t re_max_failures; |
03effc23 KH |
834 | /* Approximate the amount regex.c needs per unit of re_max_failures. */ |
835 | int ratio = 20 * sizeof (char *); | |
836 | /* Then add 33% to cover the size of the smaller stacks that regex.c | |
837 | successively allocates and discards, on its way to the maximum. */ | |
838 | ratio += ratio / 3; | |
839 | /* Add in some extra to cover | |
840 | what we're likely to use for other reasons. */ | |
841 | newlim = re_max_failures * ratio + 200000; | |
d0381a7f RS |
842 | #ifdef __NetBSD__ |
843 | /* NetBSD (at least NetBSD 1.2G and former) has a bug in its | |
844 | stack allocation routine for new process that the allocation | |
845 | fails if stack limit is not on page boundary. So, round up the | |
846 | new limit to page boundary. */ | |
5e617bc2 | 847 | newlim = (newlim + getpagesize () - 1) / getpagesize () * getpagesize (); |
d0381a7f | 848 | #endif |
509a8fcd | 849 | if (newlim > rlim.rlim_max) |
6c2935e9 RS |
850 | { |
851 | newlim = rlim.rlim_max; | |
03effc23 KH |
852 | /* Don't let regex.c overflow the stack we have. */ |
853 | re_max_failures = (newlim - 200000) / ratio; | |
6c2935e9 | 854 | } |
509a8fcd RS |
855 | if (rlim.rlim_cur < newlim) |
856 | rlim.rlim_cur = newlim; | |
857 | ||
53c58b5d RS |
858 | setrlimit (RLIMIT_STACK, &rlim); |
859 | } | |
ea2acec5 | 860 | #endif /* HAVE_SETRLIMIT and RLIMIT_STACK */ |
53c58b5d | 861 | |
f927c5ae JB |
862 | /* Record (approximately) where the stack begins. */ |
863 | stack_bottom = &stack_bottom_variable; | |
864 | ||
f927c5ae | 865 | clearerr (stdin); |
9ae8f997 | 866 | |
f927c5ae | 867 | #ifndef SYSTEM_MALLOC |
bf7f4e90 RS |
868 | /* Arrange to get warning messages as memory fills up. */ |
869 | memory_warnings (0, malloc_warning); | |
9ac0d9e0 | 870 | |
0caaedb1 | 871 | /* Call malloc at least once, to run malloc_initialize_hook. |
f5a3c8c4 AI |
872 | Also call realloc and free for consistency. */ |
873 | free (realloc (malloc (4), 4)); | |
bf7f4e90 | 874 | |
f927c5ae JB |
875 | #endif /* not SYSTEM_MALLOC */ |
876 | ||
edd3ff1d | 877 | #if defined (MSDOS) || defined (WINDOWSNT) |
29b89fe0 RS |
878 | /* We do all file input/output as binary files. When we need to translate |
879 | newlines, we do that manually. */ | |
880 | _fmode = O_BINARY; | |
edd3ff1d | 881 | #endif /* MSDOS || WINDOWSNT */ |
18198bb2 | 882 | |
edd3ff1d | 883 | #ifdef MSDOS |
18198bb2 RS |
884 | if (!isatty (fileno (stdin))) |
885 | setmode (fileno (stdin), O_BINARY); | |
886 | if (!isatty (fileno (stdout))) | |
887 | { | |
888 | fflush (stdout); | |
889 | setmode (fileno (stdout), O_BINARY); | |
890 | } | |
29b89fe0 RS |
891 | #endif /* MSDOS */ |
892 | ||
68c45bf0 PE |
893 | /* Skip initial setlocale if LC_ALL is "C", as it's not needed in that case. |
894 | The build procedure uses this while dumping, to ensure that the | |
895 | dumped Emacs does not have its system locale tables initialized, | |
896 | as that might cause screwups when the dumped Emacs starts up. */ | |
897 | { | |
898 | char *lc_all = getenv ("LC_ALL"); | |
899 | do_initial_setlocale = ! lc_all || strcmp (lc_all, "C"); | |
900 | } | |
901 | ||
902 | /* Set locale now, so that initial error messages are localized properly. | |
903 | fixup_locale must wait until later, since it builds strings. */ | |
904 | if (do_initial_setlocale) | |
905 | setlocale (LC_ALL, ""); | |
906 | ||
f927c5ae JB |
907 | inhibit_window_system = 0; |
908 | ||
7db35a48 | 909 | /* Handle the -t switch, which specifies filename to use as terminal. */ |
956e3c7e RS |
910 | while (1) |
911 | { | |
912 | char *term; | |
913 | if (argmatch (argv, argc, "-t", "--terminal", 4, &term, &skip_args)) | |
914 | { | |
915 | int result; | |
68c45bf0 PE |
916 | emacs_close (0); |
917 | emacs_close (1); | |
918 | result = emacs_open (term, O_RDWR, 0); | |
9055082e | 919 | if (result < 0 || dup (0) < 0) |
956e3c7e RS |
920 | { |
921 | char *errstring = strerror (errno); | |
186486eb | 922 | fprintf (stderr, "%s: %s: %s\n", argv[0], term, errstring); |
956e3c7e RS |
923 | exit (1); |
924 | } | |
956e3c7e RS |
925 | if (! isatty (0)) |
926 | { | |
186486eb | 927 | fprintf (stderr, "%s: %s: not a tty\n", argv[0], term); |
956e3c7e RS |
928 | exit (1); |
929 | } | |
930 | fprintf (stderr, "Using %s\n", term); | |
8ba50e1a | 931 | #ifdef HAVE_WINDOW_SYSTEM |
956e3c7e | 932 | inhibit_window_system = 1; /* -t => -nw */ |
f927c5ae | 933 | #endif |
956e3c7e RS |
934 | } |
935 | else | |
936 | break; | |
937 | } | |
938 | ||
400d6fa9 | 939 | /* Command line option --no-windows is deprecated and thus not mentioned |
333f9019 | 940 | in the manual and usage information. */ |
400d6fa9 PJ |
941 | if (argmatch (argv, argc, "-nw", "--no-window-system", 6, NULL, &skip_args) |
942 | || argmatch (argv, argc, "-nw", "--no-windows", 6, NULL, &skip_args)) | |
e2925360 | 943 | inhibit_window_system = 1; |
f927c5ae | 944 | |
e2925360 | 945 | /* Handle the -batch switch, which means don't do interactive display. */ |
f927c5ae | 946 | noninteractive = 0; |
df6530f8 | 947 | if (argmatch (argv, argc, "-batch", "--batch", 5, NULL, &skip_args)) |
55f4edbc RS |
948 | { |
949 | noninteractive = 1; | |
950 | Vundo_outer_limit = Qnil; | |
951 | } | |
6e910e07 RS |
952 | if (argmatch (argv, argc, "-script", "--script", 3, &junk, &skip_args)) |
953 | { | |
954 | noninteractive = 1; /* Set batch mode. */ | |
21a4ff8e | 955 | /* Convert --script to -scriptload, un-skip it, and sort again |
e09b9180 | 956 | so that it will be handled in proper sequence. */ |
a09a5b5b | 957 | /* FIXME broken for --script=FILE - is that supposed to work? */ |
c03cd23f | 958 | argv[skip_args - 1] = (char *) "-scriptload"; |
6e910e07 RS |
959 | skip_args -= 2; |
960 | sort_args (argc, argv); | |
961 | } | |
e2925360 | 962 | |
7db35a48 | 963 | /* Handle the --help option, which gives a usage message. */ |
df6530f8 | 964 | if (argmatch (argv, argc, "-help", "--help", 3, NULL, &skip_args)) |
f927c5ae | 965 | { |
6b61353c KH |
966 | printf (USAGE1, argv[0], USAGE2); |
967 | printf (USAGE3); | |
17284745 | 968 | printf (USAGE4); |
e2925360 | 969 | exit (0); |
f927c5ae JB |
970 | } |
971 | ||
4ff029f6 DN |
972 | if (argmatch (argv, argc, "-daemon", "--daemon", 5, NULL, &skip_args) |
973 | || argmatch (argv, argc, "-daemon", "--daemon", 5, &dname_arg, &skip_args)) | |
eab2ee89 | 974 | { |
9d29095c | 975 | #ifndef DOS_NT |
5790ef40 DN |
976 | pid_t f; |
977 | ||
978 | /* Start as a daemon: fork a new child process which will run the | |
979 | rest of the initialization code, then exit. | |
980 | ||
fc012771 SM |
981 | Detaching a daemon requires the following steps: |
982 | - fork | |
983 | - setsid | |
984 | - exit the parent | |
985 | - close the tty file-descriptors | |
986 | ||
987 | We only want to do the last 2 steps once the daemon is ready to | |
988 | serve requests, i.e. after loading .emacs (initialization). | |
989 | OTOH initialization may start subprocesses (e.g. ispell) and these | |
990 | should be run from the proper process (the one that will end up | |
991 | running as daemon) and with the proper "session id" in order for | |
992 | them to keep working after detaching, so fork and setsid need to be | |
993 | performed before initialization. | |
994 | ||
5790ef40 DN |
995 | We want to avoid exiting before the server socket is ready, so |
996 | use a pipe for synchronization. The parent waits for the child | |
997 | to close its end of the pipe (using `daemon-initialized') | |
998 | before exiting. */ | |
999 | if (pipe (daemon_pipe) == -1) | |
1000 | { | |
1001 | fprintf (stderr, "Cannot pipe!\n"); | |
1002 | exit (1); | |
1003 | } | |
1004 | ||
ce9f00e4 | 1005 | #ifndef DAEMON_MUST_EXEC |
8b3115e7 DN |
1006 | #ifdef USE_GTK |
1007 | fprintf (stderr, "\nWarning: due to a long standing Gtk+ bug\nhttp://bugzilla.gnome.org/show_bug.cgi?id=85715\n\ | |
1008 | Emacs might crash when run in daemon mode and the X11 connection is unexpectedly lost.\n\ | |
1009 | Using an Emacs configured with --with-x-toolkit=lucid does not have this problem.\n"); | |
ce9f00e4 | 1010 | #endif /* USE_GTK */ |
5790ef40 | 1011 | f = fork (); |
ce9f00e4 | 1012 | #else /* DAEMON_MUST_EXEC */ |
b3243e6f AR |
1013 | if (!dname_arg || !strchr (dname_arg, '\n')) |
1014 | f = fork (); /* in orig */ | |
1015 | else | |
1016 | f = 0; /* in exec'd */ | |
ce9f00e4 | 1017 | #endif /* !DAEMON_MUST_EXEC */ |
eab2ee89 | 1018 | if (f > 0) |
5790ef40 DN |
1019 | { |
1020 | int retval; | |
1021 | char buf[1]; | |
1022 | ||
1023 | /* Close unused writing end of the pipe. */ | |
1024 | close (daemon_pipe[1]); | |
1025 | ||
1026 | /* Just wait for the child to close its end of the pipe. */ | |
1027 | do | |
1028 | { | |
1029 | retval = read (daemon_pipe[0], &buf, 1); | |
1030 | } | |
1031 | while (retval == -1 && errno == EINTR); | |
1032 | ||
1033 | if (retval < 0) | |
1034 | { | |
1035 | fprintf (stderr, "Error reading status from child\n"); | |
1036 | exit (1); | |
1037 | } | |
fd95644b DN |
1038 | else if (retval == 0) |
1039 | { | |
1040 | fprintf (stderr, "Error: server did not start correctly\n"); | |
1041 | exit (1); | |
1042 | } | |
5790ef40 DN |
1043 | |
1044 | close (daemon_pipe[0]); | |
1045 | exit (0); | |
1046 | } | |
eab2ee89 DN |
1047 | if (f < 0) |
1048 | { | |
1049 | fprintf (stderr, "Cannot fork!\n"); | |
9d0a6e42 | 1050 | exit (1); |
eab2ee89 DN |
1051 | } |
1052 | ||
ce9f00e4 | 1053 | #ifdef DAEMON_MUST_EXEC |
b3243e6f | 1054 | { |
cfa6accb | 1055 | /* In orig process, forked as child, OR in exec'd. */ |
b3243e6f | 1056 | if (!dname_arg || !strchr (dname_arg, '\n')) |
cfa6accb | 1057 | { /* In orig, child: now exec w/special daemon name. */ |
b3243e6f | 1058 | char fdStr[80]; |
66c6fdd5 PE |
1059 | int fdStrlen = |
1060 | snprintf (fdStr, sizeof fdStr, | |
1061 | "--daemon=\n%d,%d\n%s", daemon_pipe[0], | |
1062 | daemon_pipe[1], dname_arg ? dname_arg : ""); | |
b3243e6f | 1063 | |
66c6fdd5 | 1064 | if (! (0 <= fdStrlen && fdStrlen < sizeof fdStr)) |
b3243e6f AR |
1065 | { |
1066 | fprintf (stderr, "daemon: child name too long\n"); | |
1067 | exit (1); | |
1068 | } | |
1069 | ||
b3243e6f AR |
1070 | argv[skip_args] = fdStr; |
1071 | ||
1072 | execv (argv[0], argv); | |
cff11156 | 1073 | fprintf (stderr, "emacs daemon: exec failed: %d\n", errno); |
b3243e6f AR |
1074 | exit (1); |
1075 | } | |
1076 | ||
cfa6accb | 1077 | /* In exec'd: parse special dname into pipe and name info. */ |
b3243e6f AR |
1078 | if (!dname_arg || !strchr (dname_arg, '\n') |
1079 | || strlen (dname_arg) < 1 || strlen (dname_arg) > 70) | |
1080 | { | |
1081 | fprintf (stderr, "emacs daemon: daemon name absent or too long\n"); | |
5e617bc2 | 1082 | exit (1); |
b3243e6f AR |
1083 | } |
1084 | dname_arg2[0] = '\0'; | |
1085 | sscanf (dname_arg, "\n%d,%d\n%s", &(daemon_pipe[0]), &(daemon_pipe[1]), | |
1086 | dname_arg2); | |
0b963a93 | 1087 | dname_arg = *dname_arg2 ? dname_arg2 : NULL; |
b3243e6f | 1088 | } |
ce9f00e4 | 1089 | #endif /* DAEMON_MUST_EXEC */ |
b3243e6f | 1090 | |
4ff029f6 DN |
1091 | if (dname_arg) |
1092 | daemon_name = xstrdup (dname_arg); | |
5790ef40 DN |
1093 | /* Close unused reading end of the pipe. */ |
1094 | close (daemon_pipe[0]); | |
7c19d3ae DN |
1095 | /* Make sure that the used end of the pipe is closed on exec, so |
1096 | that it is not accessible to programs started from .emacs. */ | |
1097 | fcntl (daemon_pipe[1], F_SETFD, FD_CLOEXEC); | |
1098 | ||
5e617bc2 | 1099 | setsid (); |
eab2ee89 | 1100 | #else /* DOS_NT */ |
9d29095c DN |
1101 | fprintf (stderr, "This platform does not support the -daemon flag.\n"); |
1102 | exit (1); | |
eab2ee89 | 1103 | #endif /* DOS_NT */ |
9d29095c | 1104 | } |
eab2ee89 | 1105 | |
322aea6d | 1106 | #if defined (HAVE_PTHREAD) && !defined (SYSTEM_MALLOC) && !defined (DOUG_LEA_MALLOC) |
edb85f59 RS |
1107 | if (! noninteractive) |
1108 | { | |
322aea6d | 1109 | extern void malloc_enable_thread (void); |
5467331d | 1110 | |
322aea6d | 1111 | malloc_enable_thread (); |
edb85f59 | 1112 | } |
322aea6d | 1113 | #endif |
edb85f59 | 1114 | |
4d7e6e51 | 1115 | init_signals (dumping); |
f927c5ae JB |
1116 | |
1117 | noninteractive1 = noninteractive; | |
1118 | ||
7db35a48 | 1119 | /* Perform basic initializations (not merely interning symbols). */ |
f927c5ae JB |
1120 | |
1121 | if (!initialized) | |
1122 | { | |
1123 | init_alloc_once (); | |
1124 | init_obarray (); | |
1125 | init_eval_once (); | |
270ce821 KH |
1126 | init_charset_once (); |
1127 | init_coding_once (); | |
f927c5ae | 1128 | init_syntax_once (); /* Create standard syntax table. */ |
270ce821 | 1129 | init_category_once (); /* Create standard category table. */ |
7db35a48 | 1130 | /* Must be done before init_buffer. */ |
f927c5ae | 1131 | init_casetab_once (); |
7db35a48 PJ |
1132 | init_buffer_once (); /* Create buffer table and some buffers. */ |
1133 | init_minibuf_once (); /* Create list of minibuffers. */ | |
1134 | /* Must precede init_window_once. */ | |
1135 | ||
90d920b6 GM |
1136 | /* Call syms_of_xfaces before init_window_once because that |
1137 | function creates Vterminal_frame. Termcap frames now use | |
1138 | faces, and the face implementation uses some symbols as | |
1139 | face names. */ | |
90d920b6 | 1140 | syms_of_xfaces (); |
4ea81208 KL |
1141 | /* XXX syms_of_keyboard uses some symbols in keymap.c. It would |
1142 | be better to arrange things not to have this dependency. */ | |
1143 | syms_of_keymap (); | |
7a18af49 KR |
1144 | /* Call syms_of_keyboard before init_window_once because |
1145 | keyboard sets up symbols that include some face names that | |
1146 | the X support will want to use. This can happen when | |
1147 | CANNOT_DUMP is defined. */ | |
1148 | syms_of_keyboard (); | |
90d920b6 | 1149 | |
985773c9 MB |
1150 | /* Called before syms_of_fileio, because it sets up Qerror_condition. */ |
1151 | syms_of_data (); | |
b7432bb2 | 1152 | syms_of_fns (); /* Before syms_of_charset which uses hashtables. */ |
985773c9 MB |
1153 | syms_of_fileio (); |
1154 | /* Before syms_of_coding to initialize Vgc_cons_threshold. */ | |
1155 | syms_of_alloc (); | |
1156 | /* Before syms_of_coding because it initializes Qcharsetp. */ | |
1157 | syms_of_charset (); | |
1158 | /* Before init_window_once, because it sets up the | |
1159 | Vcoding_system_hash_table. */ | |
1160 | syms_of_coding (); /* This should be after syms_of_fileio. */ | |
1a578e9b | 1161 | |
7db35a48 | 1162 | init_window_once (); /* Init the window system. */ |
6b61353c | 1163 | #ifdef HAVE_WINDOW_SYSTEM |
b7432bb2 | 1164 | init_fringe_once (); /* Swap bitmaps if necessary. */ |
6b61353c | 1165 | #endif /* HAVE_WINDOW_SYSTEM */ |
f927c5ae JB |
1166 | } |
1167 | ||
1168 | init_alloc (); | |
68c45bf0 PE |
1169 | |
1170 | if (do_initial_setlocale) | |
1171 | { | |
1172 | fixup_locale (); | |
ca9c0567 PE |
1173 | Vsystem_messages_locale = Vprevious_system_messages_locale; |
1174 | Vsystem_time_locale = Vprevious_system_time_locale; | |
68c45bf0 PE |
1175 | } |
1176 | ||
f927c5ae | 1177 | init_eval (); |
ab5d0358 | 1178 | init_atimer (); |
7074fde6 | 1179 | running_asynch_code = 0; |
0e23ef9d | 1180 | init_random (); |
0e956009 | 1181 | |
956e3c7e | 1182 | no_loadup |
b96f9fb7 | 1183 | = argmatch (argv, argc, "-nl", "--no-loadup", 6, NULL, &skip_args); |
956e3c7e | 1184 | |
66b7b0fe GM |
1185 | no_site_lisp |
1186 | = argmatch (argv, argc, "-nsl", "--no-site-lisp", 11, NULL, &skip_args); | |
1187 | ||
edfda783 | 1188 | #ifdef HAVE_NS |
204ee57f | 1189 | ns_pool = ns_alloc_autorelease_pool (); |
edfda783 AR |
1190 | if (!noninteractive) |
1191 | { | |
edfda783 AR |
1192 | #ifdef NS_IMPL_COCOA |
1193 | if (skip_args < argc) | |
1194 | { | |
32299e33 PE |
1195 | /* FIXME: Do the right thing if getenv returns NULL, or if |
1196 | chdir fails. */ | |
5e617bc2 | 1197 | if (!strncmp (argv[skip_args], "-psn", 4)) |
edfda783 AR |
1198 | { |
1199 | skip_args += 1; | |
3d0a4431 | 1200 | chdir (getenv ("HOME")); |
edfda783 | 1201 | } |
5e617bc2 | 1202 | else if (skip_args+1 < argc && !strncmp (argv[skip_args+1], "-psn", 4)) |
edfda783 | 1203 | { |
95889848 | 1204 | skip_args += 2; |
3d0a4431 | 1205 | chdir (getenv ("HOME")); |
edfda783 AR |
1206 | } |
1207 | } | |
9b68317c | 1208 | #endif /* COCOA */ |
edfda783 AR |
1209 | } |
1210 | #endif /* HAVE_NS */ | |
1211 | ||
956e3c7e RS |
1212 | #ifdef HAVE_X_WINDOWS |
1213 | /* Stupid kludge to catch command-line display spec. We can't | |
1214 | handle this argument entirely in window system dependent code | |
1215 | because we don't even know which window system dependent code | |
1216 | to run until we've recognized this argument. */ | |
1217 | { | |
1218 | char *displayname = 0; | |
956e3c7e RS |
1219 | int count_before = skip_args; |
1220 | ||
1221 | /* Skip any number of -d options, but only use the last one. */ | |
1222 | while (1) | |
1223 | { | |
1224 | int count_before_this = skip_args; | |
1225 | ||
1226 | if (argmatch (argv, argc, "-d", "--display", 3, &displayname, &skip_args)) | |
1227 | display_arg = 1; | |
1228 | else if (argmatch (argv, argc, "-display", 0, 3, &displayname, &skip_args)) | |
1229 | display_arg = 1; | |
1230 | else | |
1231 | break; | |
1232 | ||
1233 | count_before = count_before_this; | |
1234 | } | |
1235 | ||
1236 | /* If we have the form --display=NAME, | |
1237 | convert it into -d name. | |
1238 | This requires inserting a new element into argv. */ | |
0065d054 | 1239 | if (displayname && count_before < skip_args) |
956e3c7e | 1240 | { |
0065d054 PE |
1241 | if (skip_args == count_before + 1) |
1242 | { | |
1243 | memmove (argv + count_before + 3, argv + count_before + 2, | |
1244 | (argc - (count_before + 2)) * sizeof *argv); | |
1245 | argv[count_before + 2] = displayname; | |
1246 | argc++; | |
1247 | } | |
1248 | argv[count_before + 1] = (char *) "-d"; | |
956e3c7e | 1249 | } |
956e3c7e | 1250 | |
66b7b0fe GM |
1251 | if (! no_site_lisp) |
1252 | { | |
1253 | if (argmatch (argv, argc, "-Q", "--quick", 3, NULL, &skip_args) | |
1254 | || argmatch (argv, argc, "-quick", 0, 2, NULL, &skip_args)) | |
1255 | no_site_lisp = 1; | |
1256 | } | |
1257 | ||
956e3c7e RS |
1258 | /* Don't actually discard this arg. */ |
1259 | skip_args = count_before; | |
1260 | } | |
66b7b0fe GM |
1261 | #else /* !HAVE_X_WINDOWS */ |
1262 | if (! no_site_lisp) | |
1263 | { | |
1264 | int count_before = skip_args; | |
1265 | ||
1266 | if (argmatch (argv, argc, "-Q", "--quick", 3, NULL, &skip_args) | |
1267 | || argmatch (argv, argc, "-quick", 0, 2, NULL, &skip_args)) | |
1268 | no_site_lisp = 1; | |
1269 | ||
1270 | skip_args = count_before; | |
1271 | } | |
956e3c7e RS |
1272 | #endif |
1273 | ||
1274 | /* argmatch must not be used after here, | |
91af3942 | 1275 | except when building temacs |
956e3c7e RS |
1276 | because the -d argument has not been skipped in skip_args. */ |
1277 | ||
29b89fe0 RS |
1278 | #ifdef MSDOS |
1279 | /* Call early 'cause init_environment needs it. */ | |
1280 | init_dosfns (); | |
1281 | /* Set defaults for several environment variables. */ | |
18198bb2 RS |
1282 | if (initialized) |
1283 | init_environment (argc, argv, skip_args); | |
1284 | else | |
d1fc6752 | 1285 | tzset (); |
18198bb2 | 1286 | #endif /* MSDOS */ |
29b89fe0 | 1287 | |
8ba50e1a | 1288 | #ifdef WINDOWSNT |
9785d95b | 1289 | globals_of_w32 (); |
8ba50e1a | 1290 | /* Initialize environment from registry settings. */ |
a3a58294 | 1291 | init_environment (argv); |
16b22fef | 1292 | init_ntproc (dumping); /* must precede init_editfns. */ |
8ba50e1a GV |
1293 | #endif |
1294 | ||
8b4eb796 KR |
1295 | /* Initialize and GC-protect Vinitial_environment and |
1296 | Vprocess_environment before set_initial_environment fills them | |
1297 | in. */ | |
1298 | if (!initialized) | |
1299 | syms_of_callproc (); | |
0e956009 JB |
1300 | /* egetenv is a pretty low-level facility, which may get called in |
1301 | many circumstances; it seems flimsy to put off initializing it | |
738db178 | 1302 | until calling init_callproc. Do not do it when dumping. */ |
4d7e6e51 | 1303 | if (! dumping) |
738db178 DN |
1304 | set_initial_environment (); |
1305 | ||
93aed04d | 1306 | /* AIX crashes are reported in system versions 3.2.3 and 3.2.4 |
5990851d KL |
1307 | if this is not done. Do it after set_global_environment so that we |
1308 | don't pollute Vglobal_environment. */ | |
fa09a82d | 1309 | /* Setting LANG here will defeat the startup locale processing... */ |
f2a77c3a | 1310 | #ifdef AIX |
5745a7df | 1311 | xputenv ("LANG=C"); |
93aed04d | 1312 | #endif |
0e956009 | 1313 | |
7db35a48 | 1314 | init_buffer (); /* Init default directory of main buffer. */ |
ace40a69 | 1315 | |
7928f0b5 | 1316 | init_callproc_1 (); /* Must precede init_cmdargs and init_sys_modes. */ |
ace40a69 | 1317 | init_cmdargs (argc, argv, skip_args); /* Must precede init_lread. */ |
380e25b8 RS |
1318 | |
1319 | if (initialized) | |
1320 | { | |
7db35a48 | 1321 | /* Erase any pre-dump messages in the message log, to avoid confusion. */ |
380e25b8 RS |
1322 | Lisp_Object old_log_max; |
1323 | old_log_max = Vmessage_log_max; | |
1324 | XSETFASTINT (Vmessage_log_max, 0); | |
f6fe7bb5 | 1325 | message_dolog ("", 0, 1, 0); |
380e25b8 RS |
1326 | Vmessage_log_max = old_log_max; |
1327 | } | |
1328 | ||
7928f0b5 | 1329 | init_callproc (); /* Must follow init_cmdargs but not init_sys_modes. */ |
fb8e9847 | 1330 | init_lread (); |
76151e2c EZ |
1331 | #ifdef WINDOWSNT |
1332 | /* Check to see if Emacs has been installed correctly. */ | |
1333 | check_windows_init_file (); | |
1334 | #endif | |
f927c5ae | 1335 | |
8bb697c0 RS |
1336 | /* Intern the names of all standard functions and variables; |
1337 | define standard keys. */ | |
f927c5ae JB |
1338 | |
1339 | if (!initialized) | |
1340 | { | |
4230ab74 KR |
1341 | /* The basic levels of Lisp must come first. Note that |
1342 | syms_of_data and some others have already been called. */ | |
e37d7195 | 1343 | syms_of_chartab (); |
fb8e9847 | 1344 | syms_of_lread (); |
f927c5ae JB |
1345 | syms_of_print (); |
1346 | syms_of_eval (); | |
f927c5ae | 1347 | syms_of_floatfns (); |
f927c5ae | 1348 | |
f927c5ae JB |
1349 | syms_of_buffer (); |
1350 | syms_of_bytecode (); | |
1351 | syms_of_callint (); | |
1352 | syms_of_casefiddle (); | |
1353 | syms_of_casetab (); | |
270ce821 KH |
1354 | syms_of_category (); |
1355 | syms_of_ccl (); | |
e37d7195 | 1356 | syms_of_character (); |
f927c5ae | 1357 | syms_of_cmds (); |
f927c5ae | 1358 | syms_of_dired (); |
f927c5ae JB |
1359 | syms_of_display (); |
1360 | syms_of_doc (); | |
1361 | syms_of_editfns (); | |
1362 | syms_of_emacs (); | |
f927c5ae | 1363 | syms_of_filelock (); |
f927c5ae | 1364 | syms_of_indent (); |
c2c5ed2c | 1365 | syms_of_insdel (); |
4ea81208 | 1366 | /* syms_of_keymap (); */ |
f927c5ae JB |
1367 | syms_of_macros (); |
1368 | syms_of_marker (); | |
1369 | syms_of_minibuf (); | |
f927c5ae | 1370 | syms_of_process (); |
f927c5ae | 1371 | syms_of_search (); |
1cbd5d9d | 1372 | syms_of_frame (); |
f927c5ae | 1373 | syms_of_syntax (); |
ed8dad6b | 1374 | syms_of_terminal (); |
0d934e7b | 1375 | syms_of_term (); |
f927c5ae | 1376 | syms_of_undo (); |
90d920b6 GM |
1377 | #ifdef HAVE_SOUND |
1378 | syms_of_sound (); | |
1379 | #endif | |
bef79ee4 | 1380 | syms_of_textprop (); |
9d100795 | 1381 | syms_of_composite (); |
05687c54 RS |
1382 | #ifdef WINDOWSNT |
1383 | syms_of_ntproc (); | |
1384 | #endif /* WINDOWSNT */ | |
a9e7a9d5 | 1385 | #if defined CYGWIN && defined HAVE_NTGUI |
0fda9b75 | 1386 | syms_of_cygw32 (); |
a9e7a9d5 | 1387 | #endif |
f927c5ae JB |
1388 | syms_of_window (); |
1389 | syms_of_xdisp (); | |
d53f587b | 1390 | syms_of_font (); |
4fa9161d | 1391 | #ifdef HAVE_WINDOW_SYSTEM |
6b61353c KH |
1392 | syms_of_fringe (); |
1393 | syms_of_image (); | |
1394 | #endif /* HAVE_WINDOW_SYSTEM */ | |
f927c5ae | 1395 | #ifdef HAVE_X_WINDOWS |
72412588 | 1396 | syms_of_xterm (); |
f927c5ae | 1397 | syms_of_xfns (); |
edfda783 | 1398 | syms_of_xmenu (); |
270ce821 | 1399 | syms_of_fontset (); |
637fa988 | 1400 | syms_of_xsettings (); |
28b1b672 JD |
1401 | #ifdef HAVE_X_SM |
1402 | syms_of_xsmfns (); | |
1403 | #endif | |
72412588 JB |
1404 | #ifdef HAVE_X11 |
1405 | syms_of_xselect (); | |
1406 | #endif | |
f927c5ae JB |
1407 | #endif /* HAVE_X_WINDOWS */ |
1408 | ||
381408e2 LMI |
1409 | #ifdef HAVE_LIBXML2 |
1410 | syms_of_xml (); | |
1411 | #endif | |
1412 | ||
4e77ce60 | 1413 | syms_of_menu (); |
4e77ce60 | 1414 | |
8ba50e1a | 1415 | #ifdef HAVE_NTGUI |
fbd6baed GV |
1416 | syms_of_w32term (); |
1417 | syms_of_w32fns (); | |
fbd6baed | 1418 | syms_of_w32menu (); |
02062ac3 | 1419 | syms_of_fontset (); |
8ba50e1a GV |
1420 | #endif /* HAVE_NTGUI */ |
1421 | ||
a9e7a9d5 | 1422 | #if defined WINDOWSNT || defined HAVE_NTGUI |
0fda9b75 | 1423 | syms_of_w32select (); |
a9e7a9d5 | 1424 | #endif |
0fda9b75 | 1425 | |
40da1153 EZ |
1426 | #ifdef MSDOS |
1427 | syms_of_xmenu (); | |
5e617bc2 JB |
1428 | syms_of_dosfns (); |
1429 | syms_of_msdos (); | |
1430 | syms_of_win16select (); | |
40da1153 EZ |
1431 | #endif /* MSDOS */ |
1432 | ||
edfda783 AR |
1433 | #ifdef HAVE_NS |
1434 | syms_of_nsterm (); | |
1435 | syms_of_nsfns (); | |
1436 | syms_of_nsmenu (); | |
1437 | syms_of_nsselect (); | |
1438 | syms_of_fontset (); | |
1439 | #endif /* HAVE_NS */ | |
1440 | ||
8af55556 TZ |
1441 | #ifdef HAVE_GNUTLS |
1442 | syms_of_gnutls (); | |
1443 | #endif | |
1444 | ||
033b73e2 MA |
1445 | #ifdef HAVE_DBUS |
1446 | syms_of_dbusbind (); | |
1447 | #endif /* HAVE_DBUS */ | |
1448 | ||
2e31d424 DN |
1449 | #ifdef WINDOWSNT |
1450 | syms_of_ntterm (); | |
1451 | #endif /* WINDOWSNT */ | |
f927c5ae | 1452 | |
c2d7786e TM |
1453 | syms_of_profiler (); |
1454 | ||
f927c5ae JB |
1455 | keys_of_casefiddle (); |
1456 | keys_of_cmds (); | |
1457 | keys_of_buffer (); | |
1458 | keys_of_keyboard (); | |
1459 | keys_of_keymap (); | |
f927c5ae | 1460 | keys_of_window (); |
9785d95b | 1461 | } |
3b6536b1 | 1462 | else |
9785d95b | 1463 | { |
3b6536b1 AS |
1464 | /* Initialization that must be done even if the global variable |
1465 | initialized is non zero. */ | |
9785d95b | 1466 | #ifdef HAVE_NTGUI |
db4f02f2 | 1467 | globals_of_w32font (); |
9785d95b BK |
1468 | globals_of_w32fns (); |
1469 | globals_of_w32menu (); | |
3b6536b1 | 1470 | #endif /* HAVE_NTGUI */ |
0fda9b75 | 1471 | |
a9e7a9d5 | 1472 | #if defined WINDOWSNT || defined HAVE_NTGUI |
0fda9b75 | 1473 | globals_of_w32select (); |
a9e7a9d5 | 1474 | #endif |
f927c5ae JB |
1475 | } |
1476 | ||
cf411e8d KH |
1477 | init_charset (); |
1478 | ||
b82da769 GM |
1479 | init_editfns (); /* init_process_emacs uses Voperating_system_release. */ |
1480 | init_process_emacs (); /* init_display uses add_keyboard_wait_descriptor. */ | |
7db35a48 | 1481 | init_keyboard (); /* This too must precede init_sys_modes. */ |
0a125897 | 1482 | if (!noninteractive) |
7c2fb837 | 1483 | init_display (); /* Determine terminal type. Calls init_sys_modes. */ |
8bb697c0 | 1484 | init_xdisp (); |
6b61353c KH |
1485 | #ifdef HAVE_WINDOW_SYSTEM |
1486 | init_fringe (); | |
6b61353c | 1487 | #endif /* HAVE_WINDOW_SYSTEM */ |
8bb697c0 | 1488 | init_macros (); |
75816372 | 1489 | init_window (); |
74d75424 | 1490 | init_font (); |
087fc47a | 1491 | |
f927c5ae JB |
1492 | if (!initialized) |
1493 | { | |
e2925360 | 1494 | char *file; |
7db35a48 | 1495 | /* Handle -l loadup, args passed by Makefile. */ |
df6530f8 | 1496 | if (argmatch (argv, argc, "-l", "--load", 3, &file, &skip_args)) |
d67b4f80 | 1497 | Vtop_level = Fcons (intern_c_string ("load"), |
e2925360 | 1498 | Fcons (build_string (file), Qnil)); |
f927c5ae | 1499 | /* Unless next switch is -nl, load "loadup.el" first thing. */ |
956e3c7e | 1500 | if (! no_loadup) |
d67b4f80 | 1501 | Vtop_level = Fcons (intern_c_string ("load"), |
f927c5ae | 1502 | Fcons (build_string ("loadup.el"), Qnil)); |
f927c5ae JB |
1503 | } |
1504 | ||
93572b43 KH |
1505 | if (initialized) |
1506 | { | |
0269dedb RS |
1507 | #ifdef HAVE_TZSET |
1508 | { | |
1509 | /* If the execution TZ happens to be the same as the dump TZ, | |
1510 | change it to some other value and then change it back, | |
1511 | to force the underlying implementation to reload the TZ info. | |
1512 | This is needed on implementations that load TZ info from files, | |
1513 | since the TZ file contents may differ between dump and execution. */ | |
1514 | char *tz = getenv ("TZ"); | |
1515 | if (tz && !strcmp (tz, dump_tz)) | |
1516 | { | |
1517 | ++*tz; | |
1518 | tzset (); | |
1519 | --*tz; | |
1520 | } | |
1521 | } | |
1522 | #endif | |
93572b43 KH |
1523 | } |
1524 | ||
ecf783fa EZ |
1525 | /* Set up for profiling. This is known to work on FreeBSD, |
1526 | GNU/Linux and MinGW. It might work on some other systems too. | |
1527 | Give it a try and tell us if it works on your system. To compile | |
7b3a82d7 | 1528 | for profiling, use the configure option --enable-profiling. */ |
5e617bc2 | 1529 | #if defined (__FreeBSD__) || defined (GNU_LINUX) || defined (__MINGW32__) |
e610ea43 RS |
1530 | #ifdef PROFILING |
1531 | if (initialized) | |
1532 | { | |
ecf783fa EZ |
1533 | #ifdef __MINGW32__ |
1534 | extern unsigned char etext asm ("etext"); | |
1535 | #else | |
e610ea43 | 1536 | extern char etext; |
ecf783fa | 1537 | #endif |
67a5596f | 1538 | |
e610ea43 | 1539 | atexit (_mcleanup); |
9e4bf381 | 1540 | monstartup ((uintptr_t) __executable_start, (uintptr_t) &etext); |
e610ea43 RS |
1541 | } |
1542 | else | |
1543 | moncontrol (0); | |
1544 | #endif | |
1545 | #endif | |
1546 | ||
f927c5ae JB |
1547 | initialized = 1; |
1548 | ||
e7536cff RS |
1549 | #ifdef LOCALTIME_CACHE |
1550 | /* Some versions of localtime have a bug. They cache the value of the time | |
279cc2b8 JB |
1551 | zone rather than looking it up every time. Since localtime() is |
1552 | called to bolt the undumping time into the undumped emacs, this | |
afe9fae9 | 1553 | results in localtime ignoring the TZ environment variable. |
7db35a48 | 1554 | This flushes the new TZ value into localtime. */ |
afe9fae9 | 1555 | tzset (); |
e7536cff | 1556 | #endif /* defined (LOCALTIME_CACHE) */ |
279cc2b8 | 1557 | |
f927c5ae JB |
1558 | /* Enter editor command loop. This never returns. */ |
1559 | Frecursive_edit (); | |
1560 | /* NOTREACHED */ | |
6bbd7a29 | 1561 | return 0; |
f927c5ae JB |
1562 | } |
1563 | \f | |
081bef73 RS |
1564 | /* Sort the args so we can find the most important ones |
1565 | at the beginning of argv. */ | |
1566 | ||
1567 | /* First, here's a table of all the standard options. */ | |
1568 | ||
1569 | struct standard_args | |
1570 | { | |
5e2327cf DN |
1571 | const char *name; |
1572 | const char *longname; | |
081bef73 RS |
1573 | int priority; |
1574 | int nargs; | |
1575 | }; | |
1576 | ||
35f08c38 | 1577 | static const struct standard_args standard_args[] = |
081bef73 | 1578 | { |
05922407 | 1579 | { "-version", "--version", 150, 0 }, |
f63d0028 | 1580 | { "-chdir", "--chdir", 130, 1 }, |
05922407 | 1581 | { "-t", "--terminal", 120, 1 }, |
400d6fa9 | 1582 | { "-nw", "--no-window-system", 110, 0 }, |
05922407 RS |
1583 | { "-nw", "--no-windows", 110, 0 }, |
1584 | { "-batch", "--batch", 100, 0 }, | |
6e910e07 | 1585 | { "-script", "--script", 100, 1 }, |
eab2ee89 | 1586 | { "-daemon", "--daemon", 99, 0 }, |
05922407 | 1587 | { "-help", "--help", 90, 0 }, |
956e3c7e | 1588 | { "-nl", "--no-loadup", 70, 0 }, |
66b7b0fe | 1589 | { "-nsl", "--no-site-lisp", 65, 0 }, |
956e3c7e RS |
1590 | /* -d must come last before the options handled in startup.el. */ |
1591 | { "-d", "--display", 60, 1 }, | |
1592 | { "-display", 0, 60, 1 }, | |
4fe22cdf | 1593 | /* Now for the options handled in `command-line' (startup.el). */ |
66b7b0fe | 1594 | /* (Note that to imply -nsl, -Q is partially handled here.) */ |
a1716a57 RS |
1595 | { "-Q", "--quick", 55, 0 }, |
1596 | { "-quick", 0, 55, 0 }, | |
081bef73 RS |
1597 | { "-q", "--no-init-file", 50, 0 }, |
1598 | { "-no-init-file", 0, 50, 0 }, | |
1599 | { "-no-site-file", "--no-site-file", 40, 0 }, | |
1600 | { "-u", "--user", 30, 1 }, | |
1601 | { "-user", 0, 30, 1 }, | |
1602 | { "-debug-init", "--debug-init", 20, 0 }, | |
f2bc3538 | 1603 | { "-iconic", "--iconic", 15, 0 }, |
a1716a57 | 1604 | { "-D", "--basic-display", 12, 0}, |
e09b9180 | 1605 | { "-basic-display", 0, 12, 0}, |
4fe22cdf CY |
1606 | { "-nbc", "--no-blinking-cursor", 12, 0 }, |
1607 | /* Now for the options handled in `command-line-1' (startup.el). */ | |
1608 | { "-nbi", "--no-bitmap-icon", 10, 0 }, | |
081bef73 RS |
1609 | { "-bg", "--background-color", 10, 1 }, |
1610 | { "-background", 0, 10, 1 }, | |
1611 | { "-fg", "--foreground-color", 10, 1 }, | |
1612 | { "-foreground", 0, 10, 1 }, | |
1613 | { "-bd", "--border-color", 10, 1 }, | |
1614 | { "-bw", "--border-width", 10, 1 }, | |
1615 | { "-ib", "--internal-border", 10, 1 }, | |
1616 | { "-ms", "--mouse-color", 10, 1 }, | |
1617 | { "-cr", "--cursor-color", 10, 1 }, | |
1618 | { "-fn", "--font", 10, 1 }, | |
1619 | { "-font", 0, 10, 1 }, | |
94452530 EZ |
1620 | { "-fs", "--fullscreen", 10, 0 }, |
1621 | { "-fw", "--fullwidth", 10, 0 }, | |
1622 | { "-fh", "--fullheight", 10, 0 }, | |
3f1c6666 | 1623 | { "-mm", "--maximized", 10, 0 }, |
081bef73 RS |
1624 | { "-g", "--geometry", 10, 1 }, |
1625 | { "-geometry", 0, 10, 1 }, | |
1626 | { "-T", "--title", 10, 1 }, | |
ae63ae52 | 1627 | { "-title", 0, 10, 1 }, |
081bef73 RS |
1628 | { "-name", "--name", 10, 1 }, |
1629 | { "-xrm", "--xrm", 10, 1 }, | |
1540a61a | 1630 | { "-parent-id", "--parent-id", 10, 1 }, |
fcdeb5d9 RS |
1631 | { "-r", "--reverse-video", 5, 0 }, |
1632 | { "-rv", 0, 5, 0 }, | |
1633 | { "-reverse", 0, 5, 0 }, | |
ae63ae52 | 1634 | { "-hb", "--horizontal-scroll-bars", 5, 0 }, |
fcdeb5d9 | 1635 | { "-vb", "--vertical-scroll-bars", 5, 0 }, |
d20e1b1e | 1636 | { "-color", "--color", 5, 0}, |
16706228 JL |
1637 | { "-no-splash", "--no-splash", 3, 0 }, |
1638 | { "-no-desktop", "--no-desktop", 3, 0 }, | |
edfda783 AR |
1639 | #ifdef HAVE_NS |
1640 | { "-NSAutoLaunch", 0, 5, 1 }, | |
1641 | { "-NXAutoLaunch", 0, 5, 1 }, | |
1642 | { "-disable-font-backend", "--disable-font-backend", 65, 0 }, | |
1643 | { "-_NSMachLaunch", 0, 85, 1 }, | |
1644 | { "-MachLaunch", 0, 85, 1 }, | |
1645 | { "-macosx", 0, 85, 0 }, | |
1646 | { "-NSHost", 0, 85, 1 }, | |
1647 | #endif | |
fcdeb5d9 RS |
1648 | /* These have the same priority as ordinary file name args, |
1649 | so they are not reordered with respect to those. */ | |
4af9e0b3 RS |
1650 | { "-L", "--directory", 0, 1 }, |
1651 | { "-directory", 0, 0, 1 }, | |
fcdeb5d9 RS |
1652 | { "-l", "--load", 0, 1 }, |
1653 | { "-load", 0, 0, 1 }, | |
21a4ff8e GM |
1654 | /* This has no longname, because using --scriptload confuses sort_args, |
1655 | because then the --script long option seems to match twice; ie | |
1656 | you can't have a long option which is a prefix of another long | |
1657 | option. In any case, this is entirely an internal option. */ | |
1658 | { "-scriptload", NULL, 0, 1 }, | |
fcdeb5d9 RS |
1659 | { "-f", "--funcall", 0, 1 }, |
1660 | { "-funcall", 0, 0, 1 }, | |
575985b1 | 1661 | { "-eval", "--eval", 0, 1 }, |
67a5596f | 1662 | { "-execute", "--execute", 0, 1 }, |
2e13f8e9 RS |
1663 | { "-find-file", "--find-file", 0, 1 }, |
1664 | { "-visit", "--visit", 0, 1 }, | |
67a5596f | 1665 | { "-file", "--file", 0, 1 }, |
fcdeb5d9 | 1666 | { "-insert", "--insert", 0, 1 }, |
edfda783 AR |
1667 | #ifdef HAVE_NS |
1668 | { "-NXOpen", 0, 0, 1 }, | |
1669 | { "-NXOpenTemp", 0, 0, 1 }, | |
1670 | { "-NSOpen", 0, 0, 1 }, | |
1671 | { "-NSOpenTemp", 0, 0, 1 }, | |
1672 | { "-GSFilePath", 0, 0, 1 }, | |
1673 | #endif | |
f2bc3538 | 1674 | /* This should be processed after ordinary file name args and the like. */ |
fcdeb5d9 | 1675 | { "-kill", "--kill", -10, 0 }, |
081bef73 RS |
1676 | }; |
1677 | ||
1678 | /* Reorder the elements of ARGV (assumed to have ARGC elements) | |
1679 | so that the highest priority ones come first. | |
1680 | Do not change the order of elements of equal priority. | |
956e3c7e RS |
1681 | If an option takes an argument, keep it and its argument together. |
1682 | ||
1683 | If an option that takes no argument appears more | |
1684 | than once, eliminate all but one copy of it. */ | |
081bef73 RS |
1685 | |
1686 | static void | |
dd4c5104 | 1687 | sort_args (int argc, char **argv) |
081bef73 | 1688 | { |
38182d90 | 1689 | char **new = xmalloc (argc * sizeof *new); |
081bef73 RS |
1690 | /* For each element of argv, |
1691 | the corresponding element of options is: | |
1692 | 0 for an option that takes no arguments, | |
1693 | 1 for an option that takes one argument, etc. | |
1694 | -1 for an ordinary non-option argument. */ | |
0065d054 PE |
1695 | int *options = xnmalloc (argc, sizeof *options); |
1696 | int *priority = xnmalloc (argc, sizeof *priority); | |
081bef73 | 1697 | int to = 1; |
956e3c7e | 1698 | int incoming_used = 1; |
081bef73 RS |
1699 | int from; |
1700 | int i; | |
1701 | ||
1702 | /* Categorize all the options, | |
1703 | and figure out which argv elts are option arguments. */ | |
1704 | for (from = 1; from < argc; from++) | |
1705 | { | |
1706 | options[from] = -1; | |
fcdeb5d9 | 1707 | priority[from] = 0; |
081bef73 RS |
1708 | if (argv[from][0] == '-') |
1709 | { | |
0b963a93 | 1710 | int match; |
081bef73 | 1711 | |
c96f26f4 RS |
1712 | /* If we have found "--", don't consider |
1713 | any more arguments as options. */ | |
249443b6 | 1714 | if (argv[from][1] == '-' && argv[from][2] == 0) |
c96f26f4 RS |
1715 | { |
1716 | /* Leave the "--", and everything following it, at the end. */ | |
1717 | for (; from < argc; from++) | |
1718 | { | |
1719 | priority[from] = -100; | |
1720 | options[from] = -1; | |
1721 | } | |
1722 | break; | |
1723 | } | |
1724 | ||
081bef73 RS |
1725 | /* Look for a match with a known old-fashioned option. */ |
1726 | for (i = 0; i < sizeof (standard_args) / sizeof (standard_args[0]); i++) | |
1727 | if (!strcmp (argv[from], standard_args[i].name)) | |
1728 | { | |
1729 | options[from] = standard_args[i].nargs; | |
1730 | priority[from] = standard_args[i].priority; | |
fd76ec52 RS |
1731 | if (from + standard_args[i].nargs >= argc) |
1732 | fatal ("Option `%s' requires an argument\n", argv[from]); | |
081bef73 RS |
1733 | from += standard_args[i].nargs; |
1734 | goto done; | |
1735 | } | |
1736 | ||
1737 | /* Look for a match with a known long option. | |
1738 | MATCH is -1 if no match so far, -2 if two or more matches so far, | |
1739 | >= 0 (the table index of the match) if just one match so far. */ | |
1740 | if (argv[from][1] == '-') | |
1741 | { | |
0b963a93 PE |
1742 | char const *equals = strchr (argv[from], '='); |
1743 | ptrdiff_t thislen = | |
1744 | equals ? equals - argv[from] : strlen (argv[from]); | |
1745 | ||
081bef73 | 1746 | match = -1; |
081bef73 | 1747 | |
f609ef57 KH |
1748 | for (i = 0; |
1749 | i < sizeof (standard_args) / sizeof (standard_args[0]); i++) | |
1750 | if (standard_args[i].longname | |
1751 | && !strncmp (argv[from], standard_args[i].longname, | |
1752 | thislen)) | |
081bef73 RS |
1753 | { |
1754 | if (match == -1) | |
1755 | match = i; | |
1756 | else | |
1757 | match = -2; | |
1758 | } | |
1759 | ||
1760 | /* If we found exactly one match, use that. */ | |
1761 | if (match >= 0) | |
1762 | { | |
1763 | options[from] = standard_args[match].nargs; | |
1764 | priority[from] = standard_args[match].priority; | |
1765 | /* If --OPTION=VALUE syntax is used, | |
1766 | this option uses just one argv element. */ | |
1767 | if (equals != 0) | |
1768 | options[from] = 0; | |
fd76ec52 RS |
1769 | if (from + options[from] >= argc) |
1770 | fatal ("Option `%s' requires an argument\n", argv[from]); | |
081bef73 RS |
1771 | from += options[from]; |
1772 | } | |
a09a5b5b GM |
1773 | /* FIXME When match < 0, shouldn't there be some error, |
1774 | or at least indication to the user that there was a | |
1775 | problem? */ | |
081bef73 RS |
1776 | } |
1777 | done: ; | |
1778 | } | |
1779 | } | |
1780 | ||
1781 | /* Copy the arguments, in order of decreasing priority, to NEW. */ | |
1782 | new[0] = argv[0]; | |
956e3c7e | 1783 | while (incoming_used < argc) |
081bef73 RS |
1784 | { |
1785 | int best = -1; | |
2c70c992 | 1786 | int best_priority = -9999; |
081bef73 RS |
1787 | |
1788 | /* Find the highest priority remaining option. | |
1789 | If several have equal priority, take the first of them. */ | |
1790 | for (from = 1; from < argc; from++) | |
1791 | { | |
1792 | if (argv[from] != 0 && priority[from] > best_priority) | |
1793 | { | |
1794 | best_priority = priority[from]; | |
1795 | best = from; | |
1796 | } | |
1797 | /* Skip option arguments--they are tied to the options. */ | |
1798 | if (options[from] > 0) | |
1799 | from += options[from]; | |
1800 | } | |
7db35a48 | 1801 | |
081bef73 | 1802 | if (best < 0) |
1088b922 | 1803 | emacs_abort (); |
081bef73 | 1804 | |
956e3c7e RS |
1805 | /* Copy the highest priority remaining option, with its args, to NEW. |
1806 | Unless it is a duplicate of the previous one. */ | |
1807 | if (! (options[best] == 0 | |
1808 | && ! strcmp (new[to - 1], argv[best]))) | |
1809 | { | |
1810 | new[to++] = argv[best]; | |
1811 | for (i = 0; i < options[best]; i++) | |
1812 | new[to++] = argv[best + i + 1]; | |
1813 | } | |
1814 | ||
1815 | incoming_used += 1 + (options[best] > 0 ? options[best] : 0); | |
081bef73 RS |
1816 | |
1817 | /* Clear out this option in ARGV. */ | |
1818 | argv[best] = 0; | |
1819 | for (i = 0; i < options[best]; i++) | |
1820 | argv[best + i + 1] = 0; | |
1821 | } | |
1822 | ||
81b7af72 RS |
1823 | /* If duplicate options were deleted, fill up extra space with null ptrs. */ |
1824 | while (to < argc) | |
1825 | new[to++] = 0; | |
1826 | ||
72af86bd | 1827 | memcpy (argv, new, sizeof (char *) * argc); |
0bf591da | 1828 | |
68db37aa KS |
1829 | xfree (options); |
1830 | xfree (new); | |
1831 | xfree (priority); | |
081bef73 RS |
1832 | } |
1833 | \f | |
a7ca3326 | 1834 | DEFUN ("kill-emacs", Fkill_emacs, Skill_emacs, 0, 1, "P", |
7db35a48 PJ |
1835 | doc: /* Exit the Emacs job and kill it. |
1836 | If ARG is an integer, return ARG as the exit program code. | |
b224de9b | 1837 | If ARG is a string, stuff it as keyboard input. |
7db35a48 | 1838 | |
9c524fcb | 1839 | This function is called upon receipt of the signals SIGTERM |
383ebd15 | 1840 | or SIGHUP, and upon SIGINT in batch mode. |
9c524fcb | 1841 | |
7db35a48 PJ |
1842 | The value of `kill-emacs-hook', if not void, |
1843 | is a list of functions (of no args), | |
1844 | all of which are called before Emacs is actually killed. */) | |
5842a27b | 1845 | (Lisp_Object arg) |
f927c5ae | 1846 | { |
f927c5ae | 1847 | struct gcpro gcpro1; |
dee091a3 | 1848 | Lisp_Object hook; |
8eca8a7c | 1849 | int exit_code; |
f927c5ae JB |
1850 | |
1851 | GCPRO1 (arg); | |
1852 | ||
1853 | if (feof (stdin)) | |
1854 | arg = Qt; | |
1855 | ||
dee091a3 JD |
1856 | hook = intern ("kill-emacs-hook"); |
1857 | Frun_hooks (1, &hook); | |
f927c5ae | 1858 | |
f927c5ae JB |
1859 | UNGCPRO; |
1860 | ||
1dd3c2d9 CY |
1861 | #ifdef HAVE_X_WINDOWS |
1862 | /* Transfer any clipboards we own to the clipboard manager. */ | |
1863 | x_clipboard_manager_save_all (); | |
1864 | #endif | |
1865 | ||
1882aa38 | 1866 | shut_down_emacs (0, STRINGP (arg) ? arg : Qnil); |
40be253a | 1867 | |
204ee57f JD |
1868 | #ifdef HAVE_NS |
1869 | ns_release_autorelease_pool (ns_pool); | |
1870 | #endif | |
1871 | ||
58545838 KH |
1872 | /* If we have an auto-save list file, |
1873 | kill it because we are exiting Emacs deliberately (not crashing). | |
1874 | Do it after shut_down_emacs, which does an auto-save. */ | |
1875 | if (STRINGP (Vauto_save_list_file_name)) | |
42a5b22f | 1876 | unlink (SSDATA (Vauto_save_list_file_name)); |
58545838 | 1877 | |
5895d7b9 PE |
1878 | if (INTEGERP (arg)) |
1879 | exit_code = (XINT (arg) < 0 | |
1880 | ? XINT (arg) | INT_MIN | |
1881 | : XINT (arg) & INT_MAX); | |
d311d28c | 1882 | else |
5895d7b9 PE |
1883 | exit_code = EXIT_SUCCESS; |
1884 | exit (exit_code); | |
f927c5ae | 1885 | } |
40be253a JB |
1886 | |
1887 | ||
1888 | /* Perform an orderly shutdown of Emacs. Autosave any modified | |
1889 | buffers, kill any child processes, clean up the terminal modes (if | |
1890 | we're in the foreground), and other stuff like that. Don't perform | |
1891 | any redisplay; this may be called when Emacs is shutting down in | |
1892 | the background, or after its X connection has died. | |
1893 | ||
1894 | If SIG is a signal number, print a message for it. | |
1895 | ||
1896 | This is called by fatal signal handlers, X protocol error handlers, | |
1897 | and Fkill_emacs. */ | |
f7ab4e3d | 1898 | |
40be253a | 1899 | void |
1882aa38 | 1900 | shut_down_emacs (int sig, Lisp_Object stuff) |
40be253a | 1901 | { |
829d872b RS |
1902 | /* Prevent running of hooks from now on. */ |
1903 | Vrun_hooks = Qnil; | |
1904 | ||
9db03f6c KS |
1905 | /* Don't update display from now on. */ |
1906 | Vinhibit_redisplay = Qt; | |
1907 | ||
7db35a48 | 1908 | /* If we are controlling the terminal, reset terminal modes. */ |
a7ebc409 | 1909 | #ifndef DOS_NT |
40be253a | 1910 | { |
dd0333b6 | 1911 | pid_t pgrp = getpgrp (); |
69deda53 | 1912 | pid_t tpgrp = tcgetpgrp (0); |
12e610e8 | 1913 | if ((tpgrp != -1) && tpgrp == pgrp) |
40be253a | 1914 | { |
28d440ab | 1915 | reset_all_sys_modes (); |
40be253a | 1916 | if (sig && sig != SIGTERM) |
01108e3f | 1917 | { |
703342f8 PE |
1918 | static char const format[] = "Fatal error %d: "; |
1919 | char buf[sizeof format - 2 + INT_STRLEN_BOUND (int)]; | |
1920 | int buflen = sprintf (buf, format, sig); | |
aa1ba90e | 1921 | char const *sig_desc = safe_strsignal (sig); |
01108e3f | 1922 | ignore_value (write (STDERR_FILENO, buf, buflen)); |
703342f8 | 1923 | ignore_value (write (STDERR_FILENO, sig_desc, strlen (sig_desc))); |
01108e3f | 1924 | } |
40be253a JB |
1925 | } |
1926 | } | |
1927 | #else | |
1928 | fflush (stdout); | |
0a125897 | 1929 | reset_all_sys_modes (); |
40be253a JB |
1930 | #endif |
1931 | ||
f7ab4e3d RS |
1932 | stuff_buffered_input (stuff); |
1933 | ||
92d835a4 | 1934 | inhibit_sentinels = 1; |
40be253a JB |
1935 | kill_buffer_processes (Qnil); |
1936 | Fdo_auto_save (Qt, Qnil); | |
1937 | ||
1938 | #ifdef CLASH_DETECTION | |
1939 | unlock_all_files (); | |
1940 | #endif | |
1941 | ||
40be253a JB |
1942 | /* There is a tendency for a SIGIO signal to arrive within exit, |
1943 | and cause a SIGHUP because the input descriptor is already closed. */ | |
1944 | unrequest_sigio (); | |
4a4bbad2 | 1945 | ignore_sigio (); |
41f339d4 | 1946 | |
cd8d4168 GM |
1947 | /* Do this only if terminating normally, we want glyph matrices |
1948 | etc. in a core dump. */ | |
200f868e | 1949 | if (sig == 0 || sig == SIGTERM) |
cd8d4168 GM |
1950 | { |
1951 | check_glyph_memory (); | |
1952 | check_message_stack (); | |
1953 | } | |
90d920b6 | 1954 | |
d546e578 EZ |
1955 | #ifdef MSDOS |
1956 | dos_cleanup (); | |
1957 | #endif | |
edfda783 AR |
1958 | |
1959 | #ifdef HAVE_NS | |
1960 | ns_term_shutdown (sig); | |
1961 | #endif | |
fcb901a7 LMI |
1962 | |
1963 | #ifdef HAVE_LIBXML2 | |
9078ead6 | 1964 | xml_cleanup_parser (); |
fcb901a7 | 1965 | #endif |
f0e5f225 EZ |
1966 | |
1967 | #ifdef WINDOWSNT | |
1968 | term_ntproc (0); | |
1969 | #endif | |
40be253a JB |
1970 | } |
1971 | ||
1972 | ||
f927c5ae JB |
1973 | \f |
1974 | #ifndef CANNOT_DUMP | |
f927c5ae | 1975 | |
ce701a33 | 1976 | #include "unexec.h" |
dd5ecd6b | 1977 | |
f927c5ae | 1978 | DEFUN ("dump-emacs", Fdump_emacs, Sdump_emacs, 2, 2, 0, |
7db35a48 PJ |
1979 | doc: /* Dump current state of Emacs into executable file FILENAME. |
1980 | Take symbols from SYMFILE (presumably the file you executed to run Emacs). | |
1981 | This is used in the file `loadup.el' when building Emacs. | |
1982 | ||
1983 | You must run Emacs in batch mode in order to dump it. */) | |
5842a27b | 1984 | (Lisp_Object filename, Lisp_Object symfile) |
f927c5ae | 1985 | { |
f927c5ae | 1986 | Lisp_Object tem; |
1b7ddf4f | 1987 | Lisp_Object symbol; |
d311d28c | 1988 | ptrdiff_t count = SPECPDL_INDEX (); |
4fab758d GM |
1989 | |
1990 | check_pure_size (); | |
f927c5ae | 1991 | |
87a98b1a RS |
1992 | if (! noninteractive) |
1993 | error ("Dumping Emacs works only in batch mode"); | |
1994 | ||
848a925e | 1995 | #ifdef GNU_LINUX |
c339dc2e PE |
1996 | |
1997 | /* Warn if the gap between BSS end and heap start is larger than this. */ | |
1998 | # define MAX_HEAP_BSS_DIFF (1024*1024) | |
1999 | ||
dede2792 JD |
2000 | if (heap_bss_diff > MAX_HEAP_BSS_DIFF) |
2001 | { | |
2002 | fprintf (stderr, "**************************************************\n"); | |
2003 | fprintf (stderr, "Warning: Your system has a gap between BSS and the\n"); | |
b312a492 | 2004 | fprintf (stderr, "heap (%"pMu" bytes). This usually means that exec-shield\n", |
c37caf9d JD |
2005 | heap_bss_diff); |
2006 | fprintf (stderr, "or something similar is in effect. The dump may\n"); | |
e79beb56 | 2007 | fprintf (stderr, "fail because of this. See the section about\n"); |
c37caf9d | 2008 | fprintf (stderr, "exec-shield in etc/PROBLEMS for more information.\n"); |
dede2792 JD |
2009 | fprintf (stderr, "**************************************************\n"); |
2010 | } | |
848a925e | 2011 | #endif /* GNU_LINUX */ |
dede2792 | 2012 | |
1b7ddf4f RS |
2013 | /* Bind `command-line-processed' to nil before dumping, |
2014 | so that the dumped Emacs will process its command line | |
2015 | and set up to work with X windows if appropriate. */ | |
4aaa3607 | 2016 | symbol = intern ("command-line-processed"); |
1b7ddf4f RS |
2017 | specbind (symbol, Qnil); |
2018 | ||
b7826503 | 2019 | CHECK_STRING (filename); |
c9aae259 EN |
2020 | filename = Fexpand_file_name (filename, Qnil); |
2021 | if (!NILP (symfile)) | |
f927c5ae | 2022 | { |
b7826503 | 2023 | CHECK_STRING (symfile); |
d5db4077 | 2024 | if (SCHARS (symfile)) |
c9aae259 | 2025 | symfile = Fexpand_file_name (symfile, Qnil); |
f927c5ae JB |
2026 | } |
2027 | ||
2028 | tem = Vpurify_flag; | |
2029 | Vpurify_flag = Qnil; | |
2030 | ||
0269dedb RS |
2031 | #ifdef HAVE_TZSET |
2032 | set_time_zone_rule (dump_tz); | |
2033 | #ifndef LOCALTIME_CACHE | |
2034 | /* Force a tz reload, since set_time_zone_rule doesn't. */ | |
2035 | tzset (); | |
2036 | #endif | |
2037 | #endif | |
2038 | ||
f927c5ae | 2039 | fflush (stdout); |
7db35a48 | 2040 | /* Tell malloc where start of impure now is. */ |
f927c5ae JB |
2041 | /* Also arrange for warnings when nearly out of space. */ |
2042 | #ifndef SYSTEM_MALLOC | |
cc5f52cb RS |
2043 | #ifndef WINDOWSNT |
2044 | /* On Windows, this was done before dumping, and that once suffices. | |
2045 | Meanwhile, my_edata is not valid on Windows. */ | |
c339dc2e PE |
2046 | { |
2047 | extern char my_edata[]; | |
2048 | memory_warnings (my_edata, malloc_warning); | |
2049 | } | |
cc5f52cb | 2050 | #endif /* not WINDOWSNT */ |
dd5ecd6b | 2051 | #endif /* not SYSTEM_MALLOC */ |
15aaf1b5 RS |
2052 | #ifdef DOUG_LEA_MALLOC |
2053 | malloc_state_ptr = malloc_get_state (); | |
f927c5ae | 2054 | #endif |
2b7377ca | 2055 | |
a74c5ec1 | 2056 | #ifdef USE_MMAP_FOR_BUFFERS |
2b7377ca GM |
2057 | mmap_set_vars (0); |
2058 | #endif | |
42a5b22f | 2059 | unexec (SSDATA (filename), !NILP (symfile) ? SSDATA (symfile) : 0); |
a74c5ec1 | 2060 | #ifdef USE_MMAP_FOR_BUFFERS |
2b7377ca GM |
2061 | mmap_set_vars (1); |
2062 | #endif | |
15aaf1b5 RS |
2063 | #ifdef DOUG_LEA_MALLOC |
2064 | free (malloc_state_ptr); | |
2065 | #endif | |
f927c5ae | 2066 | |
aa15c6bb JB |
2067 | #ifdef WINDOWSNT |
2068 | Vlibrary_cache = Qnil; | |
2069 | #endif | |
2070 | #ifdef HAVE_WINDOW_SYSTEM | |
2071 | reset_image_types (); | |
2072 | #endif | |
2073 | ||
f927c5ae JB |
2074 | Vpurify_flag = tem; |
2075 | ||
1b7ddf4f | 2076 | return unbind_to (count, Qnil); |
f927c5ae JB |
2077 | } |
2078 | ||
f927c5ae JB |
2079 | #endif /* not CANNOT_DUMP */ |
2080 | \f | |
68c45bf0 PE |
2081 | #if HAVE_SETLOCALE |
2082 | /* Recover from setlocale (LC_ALL, ""). */ | |
2083 | void | |
d5a3eaaf | 2084 | fixup_locale (void) |
68c45bf0 | 2085 | { |
68c45bf0 PE |
2086 | /* The Emacs Lisp reader needs LC_NUMERIC to be "C", |
2087 | so that numbers are read and printed properly for Emacs Lisp. */ | |
2088 | setlocale (LC_NUMERIC, "C"); | |
68c45bf0 PE |
2089 | } |
2090 | ||
0c8559bb PE |
2091 | /* Set system locale CATEGORY, with previous locale *PLOCALE, to |
2092 | DESIRED_LOCALE. */ | |
68c45bf0 | 2093 | static void |
dd4c5104 | 2094 | synchronize_locale (int category, Lisp_Object *plocale, Lisp_Object desired_locale) |
68c45bf0 | 2095 | { |
0c8559bb PE |
2096 | if (! EQ (*plocale, desired_locale)) |
2097 | { | |
2098 | *plocale = desired_locale; | |
2099 | setlocale (category, (STRINGP (desired_locale) | |
51b59d79 | 2100 | ? SSDATA (desired_locale) |
0c8559bb PE |
2101 | : "")); |
2102 | } | |
68c45bf0 PE |
2103 | } |
2104 | ||
ca9c0567 | 2105 | /* Set system time locale to match Vsystem_time_locale, if possible. */ |
68c45bf0 | 2106 | void |
d5a3eaaf | 2107 | synchronize_system_time_locale (void) |
68c45bf0 | 2108 | { |
ca9c0567 PE |
2109 | synchronize_locale (LC_TIME, &Vprevious_system_time_locale, |
2110 | Vsystem_time_locale); | |
68c45bf0 PE |
2111 | } |
2112 | ||
ca9c0567 PE |
2113 | /* Set system messages locale to match Vsystem_messages_locale, if |
2114 | possible. */ | |
68c45bf0 | 2115 | void |
d5a3eaaf | 2116 | synchronize_system_messages_locale (void) |
68c45bf0 PE |
2117 | { |
2118 | #ifdef LC_MESSAGES | |
ca9c0567 PE |
2119 | synchronize_locale (LC_MESSAGES, &Vprevious_system_messages_locale, |
2120 | Vsystem_messages_locale); | |
68c45bf0 PE |
2121 | #endif |
2122 | } | |
2123 | #endif /* HAVE_SETLOCALE */ | |
2124 | \f | |
f927c5ae JB |
2125 | |
2126 | Lisp_Object | |
a8fe7202 | 2127 | decode_env_path (const char *evarname, const char *defalt) |
f927c5ae | 2128 | { |
a8fe7202 | 2129 | const char *path, *p; |
213d0b1f | 2130 | Lisp_Object lpath, element, tem; |
76151e2c | 2131 | #ifdef WINDOWSNT |
1882aa38 | 2132 | bool defaulted = 0; |
76151e2c EZ |
2133 | const char *emacs_dir = egetenv ("emacs_dir"); |
2134 | static const char *emacs_dir_env = "%emacs_dir%/"; | |
2135 | const size_t emacs_dir_len = strlen (emacs_dir_env); | |
2136 | #endif | |
f927c5ae | 2137 | |
2447c626 JB |
2138 | /* It's okay to use getenv here, because this function is only used |
2139 | to initialize variables when Emacs starts up, and isn't called | |
2140 | after that. */ | |
e065a56e | 2141 | if (evarname != 0) |
a8fe7202 | 2142 | path = getenv (evarname); |
e065a56e JB |
2143 | else |
2144 | path = 0; | |
f927c5ae | 2145 | if (!path) |
76151e2c EZ |
2146 | { |
2147 | path = defalt; | |
8671676c | 2148 | #ifdef WINDOWSNT |
76151e2c | 2149 | defaulted = 1; |
8671676c | 2150 | #endif |
76151e2c | 2151 | } |
6a30e6d6 RS |
2152 | #ifdef DOS_NT |
2153 | /* Ensure values from the environment use the proper directory separator. */ | |
2154 | if (path) | |
2155 | { | |
a8fe7202 AS |
2156 | char *path_copy = alloca (strlen (path) + 1); |
2157 | strcpy (path_copy, path); | |
2158 | dostounix_filename (path_copy); | |
2159 | path = path_copy; | |
6a30e6d6 RS |
2160 | } |
2161 | #endif | |
f927c5ae JB |
2162 | lpath = Qnil; |
2163 | while (1) | |
2164 | { | |
8966b757 | 2165 | p = strchr (path, SEPCHAR); |
a8fe7202 AS |
2166 | if (!p) |
2167 | p = path + strlen (path); | |
213d0b1f RS |
2168 | element = (p - path ? make_string (path, p - path) |
2169 | : build_string (".")); | |
76151e2c EZ |
2170 | #ifdef WINDOWSNT |
2171 | /* Relative file names in the default path are interpreted as | |
2172 | being relative to $emacs_dir. */ | |
2173 | if (emacs_dir && defaulted | |
2174 | && strncmp (path, emacs_dir_env, emacs_dir_len) == 0) | |
2175 | element = Fexpand_file_name (Fsubstring (element, | |
2176 | make_number (emacs_dir_len), | |
2177 | Qnil), | |
2178 | build_string (emacs_dir)); | |
2179 | #endif | |
213d0b1f RS |
2180 | |
2181 | /* Add /: to the front of the name | |
2182 | if it would otherwise be treated as magic. */ | |
2183 | tem = Ffind_file_name_handler (element, Qt); | |
ca3df2d5 RS |
2184 | |
2185 | /* However, if the handler says "I'm safe", | |
2186 | don't bother adding /:. */ | |
2187 | if (SYMBOLP (tem)) | |
2188 | { | |
2189 | Lisp_Object prop; | |
2190 | prop = Fget (tem, intern ("safe-magic")); | |
2191 | if (! NILP (prop)) | |
2192 | tem = Qnil; | |
2193 | } | |
2194 | ||
213d0b1f RS |
2195 | if (! NILP (tem)) |
2196 | element = concat2 (build_string ("/:"), element); | |
2197 | ||
2198 | lpath = Fcons (element, lpath); | |
f927c5ae JB |
2199 | if (*p) |
2200 | path = p + 1; | |
2201 | else | |
2202 | break; | |
2203 | } | |
2204 | return Fnreverse (lpath); | |
2205 | } | |
2206 | ||
eab2ee89 | 2207 | DEFUN ("daemonp", Fdaemonp, Sdaemonp, 0, 0, 0, |
4ff029f6 DN |
2208 | doc: /* Return non-nil if the current emacs process is a daemon. |
2209 | If the daemon was given a name argument, return that name. */) | |
5842a27b | 2210 | (void) |
eab2ee89 | 2211 | { |
fc012771 | 2212 | if (IS_DAEMON) |
4ff029f6 DN |
2213 | if (daemon_name) |
2214 | return build_string (daemon_name); | |
2215 | else | |
2216 | return Qt; | |
2217 | else | |
2218 | return Qnil; | |
eab2ee89 DN |
2219 | } |
2220 | ||
5790ef40 | 2221 | DEFUN ("daemon-initialized", Fdaemon_initialized, Sdaemon_initialized, 0, 0, 0, |
fc012771 SM |
2222 | doc: /* Mark the Emacs daemon as being initialized. |
2223 | This finishes the daemonization process by doing the other half of detaching | |
2224 | from the parent process and its tty file descriptors. */) | |
5842a27b | 2225 | (void) |
5790ef40 DN |
2226 | { |
2227 | int nfd; | |
1882aa38 | 2228 | bool err = 0; |
5790ef40 | 2229 | |
fc012771 | 2230 | if (!IS_DAEMON) |
5790ef40 DN |
2231 | error ("This function can only be called if emacs is run as a daemon"); |
2232 | ||
2233 | if (daemon_pipe[1] < 0) | |
2234 | error ("The daemon has already been initialized"); | |
2235 | ||
2236 | if (NILP (Vafter_init_time)) | |
2237 | error ("This function can only be called after loading the init files"); | |
2238 | ||
2239 | /* Get rid of stdin, stdout and stderr. */ | |
29dadb54 | 2240 | nfd = open ("/dev/null", O_RDWR); |
dc1ca6a8 PE |
2241 | err |= nfd < 0; |
2242 | err |= dup2 (nfd, 0) < 0; | |
2243 | err |= dup2 (nfd, 1) < 0; | |
2244 | err |= dup2 (nfd, 2) < 0; | |
2245 | err |= close (nfd) != 0; | |
5790ef40 | 2246 | |
fc012771 SM |
2247 | /* Closing the pipe will notify the parent that it can exit. |
2248 | FIXME: In case some other process inherited the pipe, closing it here | |
2249 | won't notify the parent because it's still open elsewhere, so we | |
2250 | additionally send a byte, just to make sure the parent really exits. | |
2251 | Instead, we should probably close the pipe in start-process and | |
2252 | call-process to make sure the pipe is never inherited by | |
2253 | subprocesses. */ | |
dc1ca6a8 PE |
2254 | err |= write (daemon_pipe[1], "\n", 1) < 0; |
2255 | err |= close (daemon_pipe[1]) != 0; | |
5790ef40 DN |
2256 | /* Set it to an invalid value so we know we've already run this function. */ |
2257 | daemon_pipe[1] = -1; | |
dc1ca6a8 PE |
2258 | |
2259 | if (err) | |
2260 | error ("I/O error during daemon initialization"); | |
5790ef40 DN |
2261 | return Qt; |
2262 | } | |
2263 | ||
dfcf069d | 2264 | void |
d5a3eaaf | 2265 | syms_of_emacs (void) |
f927c5ae | 2266 | { |
cd3520a4 JB |
2267 | DEFSYM (Qfile_name_handler_alist, "file-name-handler-alist"); |
2268 | DEFSYM (Qrisky_local_variable, "risky-local-variable"); | |
6c07aac2 | 2269 | DEFSYM (Qkill_emacs, "kill-emacs"); |
213d0b1f | 2270 | |
83591e66 | 2271 | #ifndef CANNOT_DUMP |
f927c5ae JB |
2272 | defsubr (&Sdump_emacs); |
2273 | #endif | |
2274 | ||
2275 | defsubr (&Skill_emacs); | |
2276 | ||
59653951 | 2277 | defsubr (&Sinvocation_name); |
ace40a69 | 2278 | defsubr (&Sinvocation_directory); |
eab2ee89 | 2279 | defsubr (&Sdaemonp); |
5790ef40 | 2280 | defsubr (&Sdaemon_initialized); |
59653951 | 2281 | |
29208e82 | 2282 | DEFVAR_LISP ("command-line-args", Vcommand_line_args, |
2a9d2ed6 RS |
2283 | doc: /* Args passed by shell to Emacs, as a list of strings. |
2284 | Many arguments are deleted from the list as they are processed. */); | |
f927c5ae | 2285 | |
29208e82 | 2286 | DEFVAR_LISP ("system-type", Vsystem_type, |
cf59a374 | 2287 | doc: /* The value is a symbol indicating the type of operating system you are using. |
40a8993a | 2288 | Special values: |
cf59a374 GM |
2289 | `gnu' compiled for a GNU Hurd system. |
2290 | `gnu/linux' compiled for a GNU/Linux system. | |
2291 | `gnu/kfreebsd' compiled for a GNU system with a FreeBSD kernel. | |
2292 | `darwin' compiled for Darwin (GNU-Darwin, Mac OS X, ...). | |
2293 | `ms-dos' compiled as an MS-DOS application. | |
2294 | `windows-nt' compiled as a native W32 application. | |
2295 | `cygwin' compiled using the Cygwin library. | |
bd6bc222 GM |
2296 | Anything else (in Emacs 24.1, the possibilities are: aix, berkeley-unix, |
2297 | hpux, irix, usg-unix-v) indicates some sort of Unix system. */); | |
d67b4f80 | 2298 | Vsystem_type = intern_c_string (SYSTEM_TYPE); |
6edd2f3d | 2299 | /* See configure.ac (and config.nt) for the possible SYSTEM_TYPEs. */ |
f927c5ae | 2300 | |
29208e82 | 2301 | DEFVAR_LISP ("system-configuration", Vsystem_configuration, |
7db35a48 PJ |
2302 | doc: /* Value is string indicating configuration Emacs was built for. |
2303 | On MS-Windows, the value reflects the OS flavor and version on which | |
2304 | Emacs is running. */); | |
f7511647 | 2305 | Vsystem_configuration = build_string (EMACS_CONFIGURATION); |
271c7b7c | 2306 | |
29208e82 | 2307 | DEFVAR_LISP ("system-configuration-options", Vsystem_configuration_options, |
7db35a48 | 2308 | doc: /* String containing the configuration options Emacs was built with. */); |
f0fc0b1a KH |
2309 | Vsystem_configuration_options = build_string (EMACS_CONFIG_OPTIONS); |
2310 | ||
29208e82 | 2311 | DEFVAR_BOOL ("noninteractive", noninteractive1, |
7db35a48 | 2312 | doc: /* Non-nil means Emacs is running without interactive terminal. */); |
e5d77022 | 2313 | |
29208e82 | 2314 | DEFVAR_LISP ("kill-emacs-hook", Vkill_emacs_hook, |
e5d9c0d1 | 2315 | doc: /* Hook run when `kill-emacs' is called. |
d77b70e5 | 2316 | Since `kill-emacs' may be invoked when the terminal is disconnected (or |
7db35a48 PJ |
2317 | in other similar situations), functions placed on this hook should not |
2318 | expect to be able to interact with the user. To ask for confirmation, | |
d77b70e5 MR |
2319 | see `kill-emacs-query-functions' instead. |
2320 | ||
9c524fcb GM |
2321 | Before Emacs 24.1, the hook was not run in batch mode, i.e., if |
2322 | `noninteractive' was non-nil. */); | |
edc8ae07 | 2323 | Vkill_emacs_hook = Qnil; |
3005da00 | 2324 | |
29208e82 | 2325 | DEFVAR_LISP ("path-separator", Vpath_separator, |
c7ed3276 EZ |
2326 | doc: /* String containing the character that separates directories in |
2327 | search paths, such as PATH and other similar environment variables. */); | |
074a066b GV |
2328 | { |
2329 | char c = SEPCHAR; | |
2330 | Vpath_separator = make_string (&c, 1); | |
2331 | } | |
59653951 | 2332 | |
29208e82 | 2333 | DEFVAR_LISP ("invocation-name", Vinvocation_name, |
7db35a48 PJ |
2334 | doc: /* The program name that was used to run Emacs. |
2335 | Any directory names are omitted. */); | |
f67de86f | 2336 | |
29208e82 | 2337 | DEFVAR_LISP ("invocation-directory", Vinvocation_directory, |
7db35a48 PJ |
2338 | doc: /* The directory in which the Emacs executable was found, to run it. |
2339 | The value is nil if that directory's name is not known. */); | |
f67de86f | 2340 | |
29208e82 | 2341 | DEFVAR_LISP ("installation-directory", Vinstallation_directory, |
7db35a48 | 2342 | doc: /* A directory within which to look for the `lib-src' and `etc' directories. |
74cc8ff9 GM |
2343 | In an installed Emacs, this is normally nil. It is non-nil if |
2344 | both `lib-src' (on MS-DOS, `info') and `etc' directories are found | |
1e2c5d95 GM |
2345 | within the variable `invocation-directory' or its parent. For example, |
2346 | this is the case when running an uninstalled Emacs executable from its | |
74cc8ff9 | 2347 | build directory. */); |
07f4d123 | 2348 | Vinstallation_directory = Qnil; |
68c45bf0 | 2349 | |
29208e82 | 2350 | DEFVAR_LISP ("system-messages-locale", Vsystem_messages_locale, |
7db35a48 | 2351 | doc: /* System locale for messages. */); |
ca9c0567 | 2352 | Vsystem_messages_locale = Qnil; |
68c45bf0 | 2353 | |
ca9c0567 | 2354 | DEFVAR_LISP ("previous-system-messages-locale", |
29208e82 | 2355 | Vprevious_system_messages_locale, |
7db35a48 | 2356 | doc: /* Most recently used system locale for messages. */); |
ca9c0567 | 2357 | Vprevious_system_messages_locale = Qnil; |
68c45bf0 | 2358 | |
29208e82 | 2359 | DEFVAR_LISP ("system-time-locale", Vsystem_time_locale, |
7db35a48 | 2360 | doc: /* System locale for time. */); |
ca9c0567 | 2361 | Vsystem_time_locale = Qnil; |
68c45bf0 | 2362 | |
29208e82 | 2363 | DEFVAR_LISP ("previous-system-time-locale", Vprevious_system_time_locale, |
7db35a48 | 2364 | doc: /* Most recently used system locale for time. */); |
ca9c0567 | 2365 | Vprevious_system_time_locale = Qnil; |
90503d96 | 2366 | |
29208e82 | 2367 | DEFVAR_LISP ("before-init-time", Vbefore_init_time, |
90503d96 CY |
2368 | doc: /* Value of `current-time' before Emacs begins initialization. */); |
2369 | Vbefore_init_time = Qnil; | |
2370 | ||
29208e82 | 2371 | DEFVAR_LISP ("after-init-time", Vafter_init_time, |
90503d96 CY |
2372 | doc: /* Value of `current-time' after loading the init files. |
2373 | This is nil during initialization. */); | |
2374 | Vafter_init_time = Qnil; | |
fc012771 | 2375 | |
29208e82 | 2376 | DEFVAR_BOOL ("inhibit-x-resources", inhibit_x_resources, |
9b68317c | 2377 | doc: /* If non-nil, X resources, Windows Registry settings, and NS defaults are not used. */); |
8686ac71 JB |
2378 | inhibit_x_resources = 0; |
2379 | ||
29208e82 | 2380 | DEFVAR_LISP ("emacs-copyright", Vemacs_copyright, |
8c5ff6dd KR |
2381 | doc: /* Short copyright string for this version of Emacs. */); |
2382 | Vemacs_copyright = build_string (emacs_copyright); | |
2383 | ||
29208e82 | 2384 | DEFVAR_LISP ("emacs-version", Vemacs_version, |
8c5ff6dd KR |
2385 | doc: /* Version numbers of this version of Emacs. */); |
2386 | Vemacs_version = build_string (emacs_version); | |
2387 | ||
29208e82 | 2388 | DEFVAR_LISP ("dynamic-library-alist", Vdynamic_library_alist, |
2e288d54 JB |
2389 | doc: /* Alist of dynamic libraries vs external files implementing them. |
2390 | Each element is a list (LIBRARY FILE...), where the car is a symbol | |
2391 | representing a supported external library, and the rest are strings giving | |
2392 | alternate filenames for that library. | |
2393 | ||
2394 | Emacs tries to load the library from the files in the order they appear on | |
2395 | the list; if none is loaded, the running session of Emacs won't have access | |
2396 | to that library. | |
2397 | ||
2398 | Note that image types `pbm' and `xbm' do not need entries in this variable | |
2399 | because they do not depend on external libraries and are always available. | |
2400 | ||
2401 | Also note that this is not a generic facility for accessing external | |
2402 | libraries; only those already known by Emacs will be loaded. */); | |
2403 | Vdynamic_library_alist = Qnil; | |
2404 | Fput (intern_c_string ("dynamic-library-alist"), Qrisky_local_variable, Qt); | |
2405 | ||
aa15c6bb JB |
2406 | #ifdef WINDOWSNT |
2407 | Vlibrary_cache = Qnil; | |
2408 | staticpro (&Vlibrary_cache); | |
2409 | #endif | |
2410 | ||
fc012771 SM |
2411 | /* Make sure IS_DAEMON starts up as false. */ |
2412 | daemon_pipe[1] = 0; | |
f927c5ae | 2413 | } |