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 JB |
23 | #include <signal.h> |
24 | #include <errno.h> | |
f927c5ae JB |
25 | #include <stdio.h> |
26 | ||
27 | #include <sys/types.h> | |
28 | #include <sys/file.h> | |
d7306fe6 | 29 | #include <setjmp.h> |
cda4a5fd | 30 | #include <unistd.h> |
cda4a5fd | 31 | |
0898ca10 JB |
32 | #include "lisp.h" |
33 | ||
edd3ff1d JR |
34 | #ifdef WINDOWSNT |
35 | #include <fcntl.h> | |
52c7f9ee JR |
36 | #include <windows.h> /* just for w32.h */ |
37 | #include "w32.h" | |
c68a2829 | 38 | #include "w32heap.h" /* for prototype of sbrk */ |
edd3ff1d JR |
39 | #endif |
40 | ||
edfda783 AR |
41 | #ifdef NS_IMPL_GNUSTEP |
42 | /* At least under Debian, GSConfig is in a subdirectory. --Stef */ | |
43 | #include <GNUstepBase/GSConfig.h> | |
44 | #endif | |
45 | ||
f927c5ae | 46 | #include "commands.h" |
bef79ee4 | 47 | #include "intervals.h" |
e5560ff7 | 48 | #include "character.h" |
a08a816a | 49 | #include "buffer.h" |
3f6abfd7 | 50 | #include "window.h" |
f927c5ae | 51 | |
edc8ae07 | 52 | #include "systty.h" |
6c3a4e9d | 53 | #include "blockinput.h" |
8090eb09 | 54 | #include "syssignal.h" |
6c362a8b | 55 | #include "process.h" |
428a555e | 56 | #include "frame.h" |
5bda49c6 | 57 | #include "termhooks.h" |
dfcf069d | 58 | #include "keyboard.h" |
e35f6ff7 | 59 | #include "keymap.h" |
a41f8bed | 60 | |
8af55556 TZ |
61 | #ifdef HAVE_GNUTLS |
62 | #include "gnutls.h" | |
63 | #endif | |
64 | ||
3d608a86 J |
65 | #ifdef HAVE_NS |
66 | #include "nsterm.h" | |
67 | #endif | |
68 | ||
9e4bf381 PE |
69 | #if (defined PROFILING \ |
70 | && (defined __FreeBSD__ || defined GNU_LINUX || defined __MINGW32__)) | |
71 | # include <sys/gmon.h> | |
72 | extern void moncontrol (int mode); | |
73 | #endif | |
74 | ||
5fbc2025 PE |
75 | #ifdef HAVE_X_WINDOWS |
76 | #include "xterm.h" | |
77 | #endif | |
78 | ||
68c45bf0 PE |
79 | #ifdef HAVE_SETLOCALE |
80 | #include <locale.h> | |
81 | #endif | |
82 | ||
53c58b5d RS |
83 | #ifdef HAVE_SETRLIMIT |
84 | #include <sys/time.h> | |
85 | #include <sys/resource.h> | |
86 | #endif | |
87 | ||
dede2792 JD |
88 | #ifdef HAVE_PERSONALITY_LINUX32 |
89 | #include <sys/personality.h> | |
90 | #endif | |
91 | ||
f927c5ae JB |
92 | #ifndef O_RDWR |
93 | #define O_RDWR 2 | |
94 | #endif | |
95 | ||
16fab143 | 96 | static const char emacs_version[] = VERSION; |
1c6e5a32 | 97 | static const char emacs_copyright[] = "Copyright (C) 2012 Free Software Foundation, Inc."; |
8c5ff6dd | 98 | |
30aa3f19 GM |
99 | /* Make these values available in GDB, which doesn't see macros. */ |
100 | ||
bfe3e0a2 | 101 | #if USE_LSB_TAG |
42c8bc9b | 102 | int gdb_use_lsb EXTERNALLY_VISIBLE = 1; |
6b61353c | 103 | #else |
42c8bc9b | 104 | int gdb_use_lsb EXTERNALLY_VISIBLE = 0; |
6b61353c | 105 | #endif |
646b5f55 AS |
106 | #ifndef CHECK_LISP_OBJECT_TYPE |
107 | int gdb_use_struct EXTERNALLY_VISIBLE = 0; | |
6b61353c | 108 | #else |
646b5f55 | 109 | int gdb_use_struct EXTERNALLY_VISIBLE = 1; |
6b61353c | 110 | #endif |
d311d28c PE |
111 | int gdb_valbits EXTERNALLY_VISIBLE = VALBITS; |
112 | int gdb_gctypebits EXTERNALLY_VISIBLE = GCTYPEBITS; | |
bfe3e0a2 | 113 | #if defined DATA_SEG_BITS && !USE_LSB_TAG |
d311d28c | 114 | uintptr_t gdb_data_seg_bits EXTERNALLY_VISIBLE = DATA_SEG_BITS; |
30aa3f19 | 115 | #else |
d311d28c | 116 | uintptr_t gdb_data_seg_bits EXTERNALLY_VISIBLE = 0; |
30aa3f19 | 117 | #endif |
d311d28c PE |
118 | ptrdiff_t PVEC_FLAG EXTERNALLY_VISIBLE = PSEUDOVECTOR_FLAG; |
119 | ptrdiff_t gdb_array_mark_flag EXTERNALLY_VISIBLE = ARRAY_MARK_FLAG; | |
6baa02d6 EZ |
120 | /* GDB might say "No enum type named pvec_type" if we don't have at |
121 | least one symbol with that type, and then xbacktrace could fail. */ | |
065c9eb4 | 122 | enum pvec_type const gdb_pvec_type EXTERNALLY_VISIBLE = 0; |
30aa3f19 | 123 | |
7e9fa161 JB |
124 | /* Empty lisp strings. To avoid having to build any others. */ |
125 | Lisp_Object empty_unibyte_string, empty_multibyte_string; | |
f9a6326d | 126 | |
f927c5ae JB |
127 | /* Set nonzero after Emacs has started up the first time. |
128 | Prevents reinitialization of the Lisp world and keymaps | |
129 | on subsequent starts. */ | |
130 | int initialized; | |
131 | ||
4393663b JD |
132 | #ifdef DARWIN_OS |
133 | extern void unexec_init_emacs_zone (void); | |
134 | #endif | |
135 | ||
15aaf1b5 RS |
136 | #ifdef DOUG_LEA_MALLOC |
137 | /* Preserves a pointer to the memory allocated that copies that | |
138 | static data inside glibc's malloc. */ | |
35f08c38 | 139 | static void *malloc_state_ptr; |
15aaf1b5 | 140 | /* From glibc, a routine that returns a copy of the malloc internal state. */ |
dd4c5104 | 141 | extern void *malloc_get_state (void); |
15aaf1b5 | 142 | /* From glibc, a routine that overwrites the malloc internal state. */ |
dd4c5104 | 143 | extern int malloc_set_state (void*); |
768c0c0f | 144 | /* Non-zero if the MALLOC_CHECK_ environment variable was set while |
7c9cd446 | 145 | dumping. Used to work around a bug in glibc's malloc. */ |
35f08c38 | 146 | static int malloc_using_checking; |
15aaf1b5 RS |
147 | #endif |
148 | ||
213d0b1f RS |
149 | Lisp_Object Qfile_name_handler_alist; |
150 | ||
9dc3366b GM |
151 | Lisp_Object Qrisky_local_variable; |
152 | ||
6c07aac2 AS |
153 | Lisp_Object Qkill_emacs; |
154 | ||
62973b41 | 155 | /* If non-zero, Emacs should not attempt to use a window-specific code, |
7db35a48 | 156 | but instead should use the virtual terminal under which it was started. */ |
f927c5ae JB |
157 | int inhibit_window_system; |
158 | ||
7db35a48 PJ |
159 | /* If non-zero, a filter or a sentinel is running. Tested to save the match |
160 | data on the first attempt to change it inside asynchronous code. */ | |
7074fde6 FP |
161 | int running_asynch_code; |
162 | ||
5e617bc2 | 163 | #if defined (HAVE_X_WINDOWS) || defined (HAVE_NS) |
7db35a48 | 164 | /* If non-zero, -d was specified, meaning we're using some window system. */ |
f927c5ae JB |
165 | int display_arg; |
166 | #endif | |
167 | ||
168 | /* An address near the bottom of the stack. | |
169 | Tells GC how to save a copy of the stack. */ | |
170 | char *stack_bottom; | |
171 | ||
2949f33b | 172 | #if defined (DOUG_LEA_MALLOC) || defined (GNU_LINUX) |
dede2792 JD |
173 | /* The address where the heap starts (from the first sbrk (0) call). */ |
174 | static void *my_heap_start; | |
2949f33b | 175 | #endif |
dede2792 | 176 | |
b312a492 | 177 | #ifdef GNU_LINUX |
dede2792 | 178 | /* The gap between BSS end and heap start as far as we can tell. */ |
b312a492 PE |
179 | static uprintmax_t heap_bss_diff; |
180 | #endif | |
dede2792 | 181 | |
f927c5ae | 182 | /* Nonzero means running Emacs without interactive terminal. */ |
f927c5ae JB |
183 | int noninteractive; |
184 | ||
66b7b0fe GM |
185 | /* Nonzero means remove site-lisp directories from load-path. */ |
186 | int no_site_lisp; | |
187 | ||
4ff029f6 DN |
188 | /* Name for the server started by the daemon.*/ |
189 | static char *daemon_name; | |
eab2ee89 | 190 | |
5790ef40 DN |
191 | /* Pipe used to send exit notification to the daemon parent at |
192 | startup. */ | |
ff808935 | 193 | int daemon_pipe[2]; |
fc012771 | 194 | |
e29f86e4 RS |
195 | /* Save argv and argc. */ |
196 | char **initial_argv; | |
197 | int initial_argc; | |
081bef73 | 198 | |
dd4c5104 | 199 | static void sort_args (int argc, char **argv); |
35f08c38 | 200 | static void syms_of_emacs (void); |
bd4590ba | 201 | |
6b61353c KH |
202 | /* MSVC needs each string be shorter than 2048 bytes, so the usage |
203 | strings below are split to not overflow this limit. */ | |
73ebcd25 | 204 | #define USAGE1 "\ |
bd4590ba GM |
205 | Usage: %s [OPTION-OR-FILENAME]...\n\ |
206 | \n\ | |
207 | Run Emacs, the extensible, customizable, self-documenting real-time\n\ | |
208 | display editor. The recommended way to start Emacs for normal editing\n\ | |
209 | is with no options at all.\n\ | |
210 | \n\ | |
49ca717b | 211 | Run M-x info RET m emacs RET m emacs invocation RET inside Emacs to\n\ |
bd4590ba GM |
212 | read the main documentation for these command-line arguments.\n\ |
213 | \n\ | |
214 | Initialization options:\n\ | |
215 | \n\ | |
6b61353c | 216 | --batch do not do interactive display; implies -q\n\ |
f63d0028 | 217 | --chdir DIR change to directory DIR\n\ |
598898a7 | 218 | --daemon start a server in the background\n\ |
6b61353c KH |
219 | --debug-init enable Emacs Lisp debugger for init file\n\ |
220 | --display, -d DISPLAY use X server DISPLAY\n\ | |
6b61353c KH |
221 | --no-desktop do not load a saved desktop\n\ |
222 | --no-init-file, -q load neither ~/.emacs nor default.el\n\ | |
223 | --no-shared-memory, -nl do not use shared memory\n\ | |
224 | --no-site-file do not load site-start.el\n\ | |
66b7b0fe | 225 | --no-site-lisp, -nsl do not add site-lisp directories to load-path\n\ |
6b61353c | 226 | --no-splash do not display a splash screen on startup\n\ |
2ff86b4e | 227 | --no-window-system, -nw do not communicate with X, ignoring $DISPLAY\n\ |
66b7b0fe GM |
228 | --quick, -Q equivalent to:\n\ |
229 | -q --no-site-file --no-site-lisp --no-splash\n\ | |
6b61353c KH |
230 | --script FILE run FILE as an Emacs Lisp script\n\ |
231 | --terminal, -t DEVICE use DEVICE for terminal I/O\n\ | |
6b61353c KH |
232 | --user, -u USER load ~USER/.emacs instead of your own\n\ |
233 | \n%s" | |
234 | ||
235 | #define USAGE2 "\ | |
bd4590ba GM |
236 | Action options:\n\ |
237 | \n\ | |
6b61353c | 238 | FILE visit FILE using find-file\n\ |
9020b223 GM |
239 | +LINE go to line LINE in next FILE\n\ |
240 | +LINE:COLUMN go to line LINE, column COLUMN, in next FILE\n\ | |
6b61353c KH |
241 | --directory, -L DIR add DIR to variable load-path\n\ |
242 | --eval EXPR evaluate Emacs Lisp expression EXPR\n\ | |
243 | --execute EXPR evaluate Emacs Lisp expression EXPR\n\ | |
244 | --file FILE visit FILE using find-file\n\ | |
245 | --find-file FILE visit FILE using find-file\n\ | |
246 | --funcall, -f FUNC call Emacs Lisp function FUNC with no arguments\n\ | |
247 | --insert FILE insert contents of FILE into current buffer\n\ | |
248 | --kill exit without asking for confirmation\n\ | |
249 | --load, -l FILE load Emacs Lisp FILE using the load function\n\ | |
250 | --visit FILE visit FILE using find-file\n\ | |
73ebcd25 AI |
251 | \n" |
252 | ||
6b61353c | 253 | #define USAGE3 "\ |
5b2ca26b | 254 | Display options:\n\ |
bd4590ba | 255 | \n\ |
6b61353c | 256 | --background-color, -bg COLOR window background color\n\ |
2ff86b4e NR |
257 | --basic-display, -D disable many display features;\n\ |
258 | used for debugging Emacs\n\ | |
6b61353c KH |
259 | --border-color, -bd COLOR main border color\n\ |
260 | --border-width, -bw WIDTH width of main border\n\ | |
ced74849 | 261 | --color, --color=MODE override color mode for character terminals;\n\ |
62973b41 JB |
262 | MODE defaults to `auto', and\n\ |
263 | can also be `never', `always',\n\ | |
6b61353c KH |
264 | or a mode name like `ansi8'\n\ |
265 | --cursor-color, -cr COLOR color of the Emacs cursor indicating point\n\ | |
266 | --font, -fn FONT default font; must be fixed-width\n\ | |
267 | --foreground-color, -fg COLOR window foreground color\n\ | |
268 | --fullheight, -fh make the first frame high as the screen\n\ | |
62973b41 | 269 | --fullscreen, -fs make the first frame fullscreen\n\ |
6b61353c | 270 | --fullwidth, -fw make the first frame wide as the screen\n\ |
3f1c6666 | 271 | --maximized, -mm make the first frame maximized\n\ |
6b61353c | 272 | --geometry, -g GEOMETRY window geometry\n\ |
f9e36a6d | 273 | --no-bitmap-icon, -nbi do not use picture of gnu for Emacs icon\n\ |
6b61353c KH |
274 | --iconic start Emacs in iconified state\n\ |
275 | --internal-border, -ib WIDTH width between text and main border\n\ | |
276 | --line-spacing, -lsp PIXELS additional space to put between lines\n\ | |
277 | --mouse-color, -ms COLOR mouse cursor color in Emacs window\n\ | |
278 | --name NAME title for initial Emacs frame\n\ | |
49ca717b | 279 | --no-blinking-cursor, -nbc disable blinking cursor\n\ |
6b61353c KH |
280 | --reverse-video, -r, -rv switch foreground and background\n\ |
281 | --title, -T TITLE title for initial Emacs frame\n\ | |
282 | --vertical-scroll-bars, -vb enable vertical scroll bars\n\ | |
283 | --xrm XRESOURCES set additional X resources\n\ | |
1540a61a | 284 | --parent-id XID set parent window\n\ |
6b61353c KH |
285 | --help display this help and exit\n\ |
286 | --version output version information and exit\n\ | |
07beadff JR |
287 | \n" |
288 | ||
289 | #define USAGE4 "\ | |
bd4590ba GM |
290 | You can generally also specify long option names with a single -; for\n\ |
291 | example, -batch as well as --batch. You can use any unambiguous\n\ | |
292 | abbreviation for a --option.\n\ | |
293 | \n\ | |
294 | Various environment variables and window system resources also affect\n\ | |
295 | Emacs' operation. See the main documentation.\n\ | |
07beadff | 296 | \n\ |
17284745 | 297 | Report bugs to bug-gnu-emacs@gnu.org. First, please see the Bugs\n\ |
bd4590ba GM |
298 | section of the Emacs manual or the file BUGS.\n" |
299 | ||
f927c5ae | 300 | \f |
7db35a48 | 301 | /* Signal code for the fatal signal that was received. */ |
35f08c38 | 302 | static int fatal_error_code; |
f927c5ae | 303 | |
7db35a48 | 304 | /* Nonzero if handling a fatal error already. */ |
f927c5ae JB |
305 | int fatal_error_in_progress; |
306 | ||
7db35a48 | 307 | /* If non-null, call this function from fatal_error_signal before |
4fab758d GM |
308 | committing suicide. */ |
309 | ||
35f08c38 | 310 | static void (*fatal_error_signal_hook) (void); |
4fab758d | 311 | |
3e9de9f6 | 312 | #ifdef FORWARD_SIGNAL_TO_MAIN_THREAD |
9e2a2647 DN |
313 | /* When compiled with GTK and running under Gnome, |
314 | multiple threads may be created. Keep track of our main | |
3e9de9f6 | 315 | thread to make sure signals are delivered to it (see syssignal.h). */ |
333f1b6f JD |
316 | |
317 | pthread_t main_thread; | |
318 | #endif | |
319 | ||
204ee57f JD |
320 | #ifdef HAVE_NS |
321 | /* NS autrelease pool, for memory management. */ | |
322 | static void *ns_pool; | |
9e4bf381 PE |
323 | #endif |
324 | ||
204ee57f | 325 | |
4fab758d | 326 | |
7db35a48 | 327 | /* Handle bus errors, invalid instruction, etc. */ |
35f08c38 PE |
328 | #ifndef FLOAT_CATCH_SIGILL |
329 | static | |
330 | #endif | |
9af30bdf | 331 | void |
dd4c5104 | 332 | fatal_error_signal (int sig) |
f927c5ae | 333 | { |
333f1b6f | 334 | SIGNAL_THREAD_CHECK (sig); |
f927c5ae JB |
335 | fatal_error_code = sig; |
336 | signal (sig, SIG_DFL); | |
337 | ||
061b7f94 RS |
338 | TOTALLY_UNBLOCK_INPUT; |
339 | ||
f927c5ae | 340 | /* If fatal error occurs in code below, avoid infinite recursion. */ |
8090eb09 JB |
341 | if (! fatal_error_in_progress) |
342 | { | |
343 | fatal_error_in_progress = 1; | |
f927c5ae | 344 | |
9c524fcb | 345 | if (sig == SIGTERM || sig == SIGHUP || sig == SIGINT) |
f63d0028 JD |
346 | Fkill_emacs (make_number (sig)); |
347 | ||
f7ab4e3d | 348 | shut_down_emacs (sig, 0, Qnil); |
8090eb09 | 349 | } |
f927c5ae | 350 | |
8090eb09 JB |
351 | /* Signal the same code; this time it will really be fatal. |
352 | Remember that since we're in a signal handler, the signal we're | |
353 | going to send is probably blocked, so we have to unblock it if we | |
354 | want to really receive it. */ | |
29b89fe0 | 355 | #ifndef MSDOS |
a90538cb | 356 | sigunblock (sigmask (fatal_error_code)); |
29b89fe0 | 357 | #endif |
4fab758d GM |
358 | |
359 | if (fatal_error_signal_hook) | |
360 | fatal_error_signal_hook (); | |
7db35a48 | 361 | |
f927c5ae | 362 | kill (getpid (), fatal_error_code); |
f927c5ae | 363 | } |
271c7b7c RS |
364 | |
365 | #ifdef SIGDANGER | |
366 | ||
16c323ee | 367 | /* Handler for SIGDANGER. */ |
9af30bdf | 368 | void |
1dae0f0a | 369 | memory_warning_signal (int sig) |
271c7b7c RS |
370 | { |
371 | signal (sig, memory_warning_signal); | |
333f1b6f | 372 | SIGNAL_THREAD_CHECK (sig); |
271c7b7c RS |
373 | |
374 | malloc_warning ("Operating system warns that virtual memory is running low.\n"); | |
55796183 RS |
375 | |
376 | /* It might be unsafe to call do_auto_save now. */ | |
377 | force_auto_save_soon (); | |
271c7b7c RS |
378 | } |
379 | #endif | |
fcf01ad3 RS |
380 | |
381 | /* We define abort, rather than using it from the library, | |
c9fe9cce | 382 | so that GDB can return from a breakpoint here. |
7db35a48 | 383 | MSDOS has its own definition in msdos.c. */ |
fcf01ad3 | 384 | |
37e2fdd2 | 385 | #if ! defined (DOS_NT) && ! defined (NO_ABORT) |
ca9c0567 | 386 | |
4624371d | 387 | void |
d5a3eaaf | 388 | abort (void) |
fcf01ad3 RS |
389 | { |
390 | kill (getpid (), SIGABRT); | |
37e2fdd2 RS |
391 | /* This shouldn't be executed, but it prevents a warning. */ |
392 | exit (1); | |
fcf01ad3 | 393 | } |
c9fe9cce | 394 | #endif |
fcf01ad3 | 395 | |
f927c5ae | 396 | \f |
7db35a48 | 397 | /* Code for dealing with Lisp access to the Unix command line. */ |
f927c5ae | 398 | |
dfcf069d | 399 | static void |
dd4c5104 | 400 | init_cmdargs (int argc, char **argv, int skip_args) |
f927c5ae JB |
401 | { |
402 | register int i; | |
74f10ca7 | 403 | Lisp_Object name, dir, handler; |
d311d28c | 404 | ptrdiff_t count = SPECPDL_INDEX (); |
213d0b1f | 405 | Lisp_Object raw_name; |
f927c5ae | 406 | |
e29f86e4 RS |
407 | initial_argv = argv; |
408 | initial_argc = argc; | |
409 | ||
213d0b1f RS |
410 | raw_name = build_string (argv[0]); |
411 | ||
412 | /* Add /: to the front of the name | |
413 | if it would otherwise be treated as magic. */ | |
74f10ca7 PE |
414 | handler = Ffind_file_name_handler (raw_name, Qt); |
415 | if (! NILP (handler)) | |
213d0b1f RS |
416 | raw_name = concat2 (build_string ("/:"), raw_name); |
417 | ||
418 | Vinvocation_name = Ffile_name_nondirectory (raw_name); | |
419 | Vinvocation_directory = Ffile_name_directory (raw_name); | |
420 | ||
ace40a69 RS |
421 | /* If we got no directory in argv[0], search PATH to find where |
422 | Emacs actually came from. */ | |
423 | if (NILP (Vinvocation_directory)) | |
424 | { | |
425 | Lisp_Object found; | |
426 | int yes = openp (Vexec_path, Vinvocation_name, | |
10c0915e | 427 | Vexec_suffixes, &found, make_number (X_OK)); |
e443f843 | 428 | if (yes == 1) |
213d0b1f RS |
429 | { |
430 | /* Add /: to the front of the name | |
431 | if it would otherwise be treated as magic. */ | |
74f10ca7 PE |
432 | handler = Ffind_file_name_handler (found, Qt); |
433 | if (! NILP (handler)) | |
213d0b1f RS |
434 | found = concat2 (build_string ("/:"), found); |
435 | Vinvocation_directory = Ffile_name_directory (found); | |
436 | } | |
ace40a69 | 437 | } |
59653951 | 438 | |
4133b300 RS |
439 | if (!NILP (Vinvocation_directory) |
440 | && NILP (Ffile_name_absolute_p (Vinvocation_directory))) | |
213d0b1f RS |
441 | /* Emacs was started with relative path, like ./emacs. |
442 | Make it absolute. */ | |
4133b300 RS |
443 | Vinvocation_directory = Fexpand_file_name (Vinvocation_directory, Qnil); |
444 | ||
07f4d123 RS |
445 | Vinstallation_directory = Qnil; |
446 | ||
447 | if (!NILP (Vinvocation_directory)) | |
448 | { | |
449 | dir = Vinvocation_directory; | |
450 | name = Fexpand_file_name (Vinvocation_name, dir); | |
451 | while (1) | |
452 | { | |
f5ab9736 | 453 | Lisp_Object tem, lib_src_exists; |
07f4d123 RS |
454 | Lisp_Object etc_exists, info_exists; |
455 | ||
f5ab9736 RS |
456 | /* See if dir contains subdirs for use by Emacs. |
457 | Check for the ones that would exist in a build directory, | |
458 | not including lisp and info. */ | |
459 | tem = Fexpand_file_name (build_string ("lib-src"), dir); | |
460 | lib_src_exists = Ffile_exists_p (tem); | |
de004cc6 | 461 | |
70344b34 | 462 | #ifdef MSDOS |
de004cc6 RS |
463 | /* MSDOS installations frequently remove lib-src, but we still |
464 | must set installation-directory, or else info won't find | |
465 | its files (it uses the value of installation-directory). */ | |
466 | tem = Fexpand_file_name (build_string ("info"), dir); | |
467 | info_exists = Ffile_exists_p (tem); | |
70344b34 EZ |
468 | #else |
469 | info_exists = Qnil; | |
470 | #endif | |
de004cc6 RS |
471 | |
472 | if (!NILP (lib_src_exists) || !NILP (info_exists)) | |
07f4d123 | 473 | { |
f5ab9736 RS |
474 | tem = Fexpand_file_name (build_string ("etc"), dir); |
475 | etc_exists = Ffile_exists_p (tem); | |
476 | if (!NILP (etc_exists)) | |
07f4d123 | 477 | { |
f5ab9736 RS |
478 | Vinstallation_directory |
479 | = Ffile_name_as_directory (dir); | |
480 | break; | |
07f4d123 RS |
481 | } |
482 | } | |
483 | ||
484 | /* See if dir's parent contains those subdirs. */ | |
f5ab9736 RS |
485 | tem = Fexpand_file_name (build_string ("../lib-src"), dir); |
486 | lib_src_exists = Ffile_exists_p (tem); | |
de004cc6 | 487 | |
70344b34 EZ |
488 | |
489 | #ifdef MSDOS | |
490 | /* See the MSDOS commentary above. */ | |
de004cc6 RS |
491 | tem = Fexpand_file_name (build_string ("../info"), dir); |
492 | info_exists = Ffile_exists_p (tem); | |
70344b34 EZ |
493 | #else |
494 | info_exists = Qnil; | |
495 | #endif | |
de004cc6 RS |
496 | |
497 | if (!NILP (lib_src_exists) || !NILP (info_exists)) | |
07f4d123 | 498 | { |
f5ab9736 RS |
499 | tem = Fexpand_file_name (build_string ("../etc"), dir); |
500 | etc_exists = Ffile_exists_p (tem); | |
501 | if (!NILP (etc_exists)) | |
07f4d123 | 502 | { |
f5ab9736 RS |
503 | tem = Fexpand_file_name (build_string (".."), dir); |
504 | Vinstallation_directory | |
505 | = Ffile_name_as_directory (tem); | |
506 | break; | |
07f4d123 RS |
507 | } |
508 | } | |
509 | ||
510 | /* If the Emacs executable is actually a link, | |
511 | next try the dir that the link points into. */ | |
512 | tem = Ffile_symlink_p (name); | |
513 | if (!NILP (tem)) | |
514 | { | |
260ec24d | 515 | name = Fexpand_file_name (tem, dir); |
07f4d123 RS |
516 | dir = Ffile_name_directory (name); |
517 | } | |
518 | else | |
519 | break; | |
520 | } | |
521 | } | |
522 | ||
f927c5ae JB |
523 | Vcommand_line_args = Qnil; |
524 | ||
525 | for (i = argc - 1; i >= 0; i--) | |
526 | { | |
527 | if (i == 0 || i > skip_args) | |
a520393d KH |
528 | /* For the moment, we keep arguments as is in unibyte strings. |
529 | They are decoded in the function command-line after we know | |
530 | locale-coding-system. */ | |
f927c5ae | 531 | Vcommand_line_args |
68db37aa | 532 | = Fcons (make_unibyte_string (argv[i], strlen (argv[i])), |
a520393d | 533 | Vcommand_line_args); |
f927c5ae | 534 | } |
213d0b1f RS |
535 | |
536 | unbind_to (count, Qnil); | |
f927c5ae | 537 | } |
59653951 JB |
538 | |
539 | DEFUN ("invocation-name", Finvocation_name, Sinvocation_name, 0, 0, 0, | |
7db35a48 PJ |
540 | doc: /* Return the program name that was used to run Emacs. |
541 | Any directory names are omitted. */) | |
5842a27b | 542 | (void) |
59653951 JB |
543 | { |
544 | return Fcopy_sequence (Vinvocation_name); | |
545 | } | |
546 | ||
ace40a69 | 547 | DEFUN ("invocation-directory", Finvocation_directory, Sinvocation_directory, |
7db35a48 PJ |
548 | 0, 0, 0, |
549 | doc: /* Return the directory name in which the Emacs executable was located. */) | |
5842a27b | 550 | (void) |
ace40a69 RS |
551 | { |
552 | return Fcopy_sequence (Vinvocation_directory); | |
553 | } | |
554 | ||
f927c5ae | 555 | \f |
0269dedb RS |
556 | #ifdef HAVE_TZSET |
557 | /* A valid but unlikely value for the TZ environment value. | |
558 | It is OK (though a bit slower) if the user actually chooses this value. */ | |
559 | static char dump_tz[] = "UtC0"; | |
560 | #endif | |
561 | ||
a90538cb | 562 | #ifndef ORDINARY_LINK |
efd241cc RS |
563 | /* We don't include crtbegin.o and crtend.o in the link, |
564 | so these functions and variables might be missed. | |
565 | Provide dummy definitions to avoid error. | |
566 | (We don't have any real constructors or destructors.) */ | |
567 | #ifdef __GNUC__ | |
244fc23d PE |
568 | |
569 | /* Define a dummy function F. Declare F too, to pacify gcc | |
570 | -Wmissing-prototypes. */ | |
35f08c38 PE |
571 | #define DEFINE_DUMMY_FUNCTION(f) \ |
572 | void f (void) EXTERNALLY_VISIBLE; void f (void) {} | |
244fc23d | 573 | |
46e65b73 | 574 | #ifndef GCC_CTORS_IN_LIBC |
244fc23d PE |
575 | DEFINE_DUMMY_FUNCTION (__do_global_ctors) |
576 | DEFINE_DUMMY_FUNCTION (__do_global_ctors_aux) | |
577 | DEFINE_DUMMY_FUNCTION (__do_global_dtors) | |
554061d8 | 578 | /* GNU/Linux has a bug in its library; avoid an error. */ |
8a2a6032 | 579 | #ifndef GNU_LINUX |
35f08c38 | 580 | char * __CTOR_LIST__[2] EXTERNALLY_VISIBLE = { (char *) (-1), 0 }; |
64c1864a | 581 | #endif |
35f08c38 | 582 | char * __DTOR_LIST__[2] EXTERNALLY_VISIBLE = { (char *) (-1), 0 }; |
46e65b73 | 583 | #endif /* GCC_CTORS_IN_LIBC */ |
244fc23d | 584 | DEFINE_DUMMY_FUNCTION (__main) |
efd241cc | 585 | #endif /* __GNUC__ */ |
a90538cb | 586 | #endif /* ORDINARY_LINK */ |
efd241cc | 587 | |
e2925360 KH |
588 | /* Test whether the next argument in ARGV matches SSTR or a prefix of |
589 | LSTR (at least MINLEN characters). If so, then if VALPTR is non-null | |
590 | (the argument is supposed to have a value) store in *VALPTR either | |
591 | the next argument or the portion of this one after the equal sign. | |
592 | ARGV is read starting at position *SKIPPTR; this index is advanced | |
593 | by the number of arguments used. | |
594 | ||
595 | Too bad we can't just use getopt for all of this, but we don't have | |
596 | enough information to do it right. */ | |
081bef73 | 597 | |
e2925360 | 598 | static int |
62973b41 JB |
599 | argmatch (char **argv, int argc, const char *sstr, const char *lstr, |
600 | int minlen, char **valptr, int *skipptr) | |
e2925360 | 601 | { |
6bbd7a29 | 602 | char *p = NULL; |
0b963a93 | 603 | ptrdiff_t arglen; |
df6530f8 RS |
604 | char *arg; |
605 | ||
606 | /* Don't access argv[argc]; give up in advance. */ | |
607 | if (argc <= *skipptr + 1) | |
608 | return 0; | |
609 | ||
610 | arg = argv[*skipptr+1]; | |
e2925360 KH |
611 | if (arg == NULL) |
612 | return 0; | |
613 | if (strcmp (arg, sstr) == 0) | |
614 | { | |
615 | if (valptr != NULL) | |
616 | { | |
617 | *valptr = argv[*skipptr+2]; | |
618 | *skipptr += 2; | |
619 | } | |
620 | else | |
621 | *skipptr += 1; | |
622 | return 1; | |
623 | } | |
8966b757 | 624 | arglen = (valptr != NULL && (p = strchr (arg, '=')) != NULL |
e2925360 | 625 | ? p - arg : strlen (arg)); |
c03e1113 | 626 | if (lstr == 0 || arglen < minlen || strncmp (arg, lstr, arglen) != 0) |
e2925360 KH |
627 | return 0; |
628 | else if (valptr == NULL) | |
629 | { | |
630 | *skipptr += 1; | |
631 | return 1; | |
632 | } | |
633 | else if (p != NULL) | |
634 | { | |
635 | *valptr = p+1; | |
636 | *skipptr += 1; | |
637 | return 1; | |
638 | } | |
639 | else if (argv[*skipptr+2] != NULL) | |
640 | { | |
641 | *valptr = argv[*skipptr+2]; | |
642 | *skipptr += 2; | |
643 | return 1; | |
644 | } | |
645 | else | |
646 | { | |
647 | return 0; | |
648 | } | |
649 | } | |
650 | ||
b6779252 | 651 | #ifdef DOUG_LEA_MALLOC |
f927c5ae | 652 | |
b6779252 KH |
653 | /* malloc can be invoked even before main (e.g. by the dynamic |
654 | linker), so the dumped malloc state must be restored as early as | |
655 | possible using this special hook. */ | |
656 | ||
657 | static void | |
dd4c5104 | 658 | malloc_initialize_hook (void) |
b6779252 | 659 | { |
1f9c3929 | 660 | #ifndef USE_CRT_DLL |
b6779252 | 661 | extern char **environ; |
1f9c3929 | 662 | #endif |
6000fe37 | 663 | |
15aaf1b5 RS |
664 | if (initialized) |
665 | { | |
7c9cd446 AS |
666 | if (!malloc_using_checking) |
667 | /* Work around a bug in glibc's malloc. MALLOC_CHECK_ must be | |
668 | ignored if the heap to be restored was constructed without | |
d942e12a AS |
669 | malloc checking. Can't use unsetenv, since that calls malloc. */ |
670 | { | |
671 | char **p; | |
672 | ||
a57c4026 | 673 | for (p = environ; p && *p; p++) |
d942e12a AS |
674 | if (strncmp (*p, "MALLOC_CHECK_=", 14) == 0) |
675 | { | |
676 | do | |
677 | *p = p[1]; | |
678 | while (*++p); | |
679 | break; | |
680 | } | |
681 | } | |
b6779252 | 682 | |
15aaf1b5 | 683 | malloc_set_state (malloc_state_ptr); |
68db37aa | 684 | #ifndef XMALLOC_OVERRUN_CHECK |
15aaf1b5 | 685 | free (malloc_state_ptr); |
68db37aa | 686 | #endif |
15aaf1b5 | 687 | } |
7c9cd446 | 688 | else |
dede2792 JD |
689 | { |
690 | if (my_heap_start == 0) | |
691 | my_heap_start = sbrk (0); | |
692 | malloc_using_checking = getenv ("MALLOC_CHECK_") != NULL; | |
693 | } | |
b6779252 KH |
694 | } |
695 | ||
698d32e2 | 696 | void (*__malloc_initialize_hook) (void) EXTERNALLY_VISIBLE = malloc_initialize_hook; |
b6779252 KH |
697 | |
698 | #endif /* DOUG_LEA_MALLOC */ | |
699 | ||
d883731c | 700 | |
b6779252 KH |
701 | /* ARGSUSED */ |
702 | int | |
7c2fb837 | 703 | main (int argc, char **argv) |
b6779252 | 704 | { |
2313132f | 705 | #if GC_MARK_STACK |
39ec21ea GM |
706 | Lisp_Object dummy; |
707 | #endif | |
b6779252 | 708 | char stack_bottom_variable; |
68c45bf0 | 709 | int do_initial_setlocale; |
b6779252 | 710 | int skip_args = 0; |
b6779252 KH |
711 | #ifdef HAVE_SETRLIMIT |
712 | struct rlimit rlim; | |
713 | #endif | |
714 | int no_loadup = 0; | |
6e910e07 | 715 | char *junk = 0; |
4ff029f6 | 716 | char *dname_arg = 0; |
b3243e6f AR |
717 | #ifdef NS_IMPL_COCOA |
718 | char dname_arg2[80]; | |
719 | #endif | |
f63d0028 | 720 | char *ch_to_dir; |
b6779252 | 721 | |
2313132f | 722 | #if GC_MARK_STACK |
39ec21ea GM |
723 | stack_base = &dummy; |
724 | #endif | |
725 | ||
a4ef73c8 CY |
726 | #if defined (USE_GTK) && defined (G_SLICE_ALWAYS_MALLOC) |
727 | /* This is used by the Cygwin build. */ | |
728 | setenv ("G_SLICE", "always-malloc", 1); | |
729 | #endif | |
730 | ||
b312a492 | 731 | #ifdef GNU_LINUX |
dede2792 JD |
732 | if (!initialized) |
733 | { | |
734 | extern char my_endbss[]; | |
735 | extern char *my_endbss_static; | |
736 | ||
737 | if (my_heap_start == 0) | |
738 | my_heap_start = sbrk (0); | |
739 | ||
740 | heap_bss_diff = (char *)my_heap_start - max (my_endbss, my_endbss_static); | |
741 | } | |
b312a492 | 742 | #endif |
dede2792 | 743 | |
d785cf9e RS |
744 | #ifdef RUN_TIME_REMAP |
745 | if (initialized) | |
746 | run_time_remap (argv[0]); | |
747 | #endif | |
748 | ||
14145fa3 AR |
749 | /* If using unexmacosx.c (set by s/darwin.h), we must do this. */ |
750 | #ifdef DARWIN_OS | |
e0f712ba AC |
751 | if (!initialized) |
752 | unexec_init_emacs_zone (); | |
753 | #endif | |
754 | ||
081bef73 | 755 | sort_args (argc, argv); |
956e3c7e RS |
756 | argc = 0; |
757 | while (argv[argc]) argc++; | |
081bef73 | 758 | |
8c5ff6dd | 759 | if (argmatch (argv, argc, "-version", "--version", 3, NULL, &skip_args)) |
1702afef | 760 | { |
8c5ff6dd KR |
761 | const char *version, *copyright; |
762 | if (initialized) | |
5cf9ca93 | 763 | { |
8c5ff6dd KR |
764 | Lisp_Object tem, tem2; |
765 | tem = Fsymbol_value (intern_c_string ("emacs-version")); | |
766 | tem2 = Fsymbol_value (intern_c_string ("emacs-copyright")); | |
767 | if (!STRINGP (tem)) | |
768 | { | |
769 | fprintf (stderr, "Invalid value of `emacs-version'\n"); | |
770 | exit (1); | |
771 | } | |
772 | if (!STRINGP (tem2)) | |
773 | { | |
774 | fprintf (stderr, "Invalid value of `emacs-copyright'\n"); | |
775 | exit (1); | |
776 | } | |
777 | else | |
778 | { | |
42a5b22f PE |
779 | version = SSDATA (tem); |
780 | copyright = SSDATA (tem2); | |
8c5ff6dd | 781 | } |
5cf9ca93 | 782 | } |
1702afef RS |
783 | else |
784 | { | |
8c5ff6dd KR |
785 | version = emacs_version; |
786 | copyright = emacs_copyright; | |
1702afef | 787 | } |
8c5ff6dd KR |
788 | printf ("GNU Emacs %s\n", version); |
789 | printf ("%s\n", copyright); | |
790 | printf ("GNU Emacs comes with ABSOLUTELY NO WARRANTY.\n"); | |
791 | printf ("You may redistribute copies of Emacs\n"); | |
792 | printf ("under the terms of the GNU General Public License.\n"); | |
793 | printf ("For more information about these matters, "); | |
794 | printf ("see the file named COPYING.\n"); | |
795 | exit (0); | |
1702afef | 796 | } |
947f5e01 JM |
797 | |
798 | if (argmatch (argv, argc, "-chdir", "--chdir", 4, &ch_to_dir, &skip_args)) | |
799 | if (chdir (ch_to_dir) == -1) | |
800 | { | |
801 | fprintf (stderr, "%s: Can't chdir to %s: %s\n", | |
802 | argv[0], ch_to_dir, strerror (errno)); | |
803 | exit (1); | |
804 | } | |
f63d0028 | 805 | |
1702afef | 806 | |
dede2792 | 807 | #ifdef HAVE_PERSONALITY_LINUX32 |
dede2792 JD |
808 | if (!initialized |
809 | && (strcmp (argv[argc-1], "dump") == 0 | |
810 | || strcmp (argv[argc-1], "bootstrap") == 0) | |
fd75ddb2 | 811 | && ! getenv ("EMACS_HEAP_EXEC")) |
dede2792 | 812 | { |
42ca4633 | 813 | static char heapexec[] = "EMACS_HEAP_EXEC=true"; |
fd75ddb2 | 814 | /* Set this so we only do this once. */ |
5e617bc2 | 815 | putenv (heapexec); |
711877f3 | 816 | |
fd75ddb2 JD |
817 | /* A flag to turn off address randomization which is introduced |
818 | in linux kernel shipped with fedora core 4 */ | |
711877f3 | 819 | #define ADD_NO_RANDOMIZE 0x0040000 |
fd75ddb2 | 820 | personality (PER_LINUX32 | ADD_NO_RANDOMIZE); |
711877f3 MY |
821 | #undef ADD_NO_RANDOMIZE |
822 | ||
fd75ddb2 | 823 | execvp (argv[0], argv); |
dede2792 | 824 | |
fd75ddb2 JD |
825 | /* If the exec fails, try to dump anyway. */ |
826 | perror ("execvp"); | |
dede2792 JD |
827 | } |
828 | #endif /* HAVE_PERSONALITY_LINUX32 */ | |
829 | ||
ea2acec5 | 830 | #if defined (HAVE_SETRLIMIT) && defined (RLIMIT_STACK) |
6c2935e9 RS |
831 | /* Extend the stack space available. |
832 | Don't do that if dumping, since some systems (e.g. DJGPP) | |
833 | might define a smaller stack limit at that time. */ | |
834 | if (1 | |
835 | #ifndef CANNOT_DUMP | |
836 | && (!noninteractive || initialized) | |
837 | #endif | |
838 | && !getrlimit (RLIMIT_STACK, &rlim)) | |
53c58b5d | 839 | { |
509a8fcd | 840 | long newlim; |
fa8459a3 | 841 | extern size_t re_max_failures; |
03effc23 KH |
842 | /* Approximate the amount regex.c needs per unit of re_max_failures. */ |
843 | int ratio = 20 * sizeof (char *); | |
844 | /* Then add 33% to cover the size of the smaller stacks that regex.c | |
845 | successively allocates and discards, on its way to the maximum. */ | |
846 | ratio += ratio / 3; | |
847 | /* Add in some extra to cover | |
848 | what we're likely to use for other reasons. */ | |
849 | newlim = re_max_failures * ratio + 200000; | |
d0381a7f RS |
850 | #ifdef __NetBSD__ |
851 | /* NetBSD (at least NetBSD 1.2G and former) has a bug in its | |
852 | stack allocation routine for new process that the allocation | |
853 | fails if stack limit is not on page boundary. So, round up the | |
854 | new limit to page boundary. */ | |
5e617bc2 | 855 | newlim = (newlim + getpagesize () - 1) / getpagesize () * getpagesize (); |
d0381a7f | 856 | #endif |
509a8fcd | 857 | if (newlim > rlim.rlim_max) |
6c2935e9 RS |
858 | { |
859 | newlim = rlim.rlim_max; | |
03effc23 KH |
860 | /* Don't let regex.c overflow the stack we have. */ |
861 | re_max_failures = (newlim - 200000) / ratio; | |
6c2935e9 | 862 | } |
509a8fcd RS |
863 | if (rlim.rlim_cur < newlim) |
864 | rlim.rlim_cur = newlim; | |
865 | ||
53c58b5d RS |
866 | setrlimit (RLIMIT_STACK, &rlim); |
867 | } | |
ea2acec5 | 868 | #endif /* HAVE_SETRLIMIT and RLIMIT_STACK */ |
53c58b5d | 869 | |
f927c5ae JB |
870 | /* Record (approximately) where the stack begins. */ |
871 | stack_bottom = &stack_bottom_variable; | |
872 | ||
f927c5ae | 873 | clearerr (stdin); |
9ae8f997 | 874 | |
f927c5ae | 875 | #ifndef SYSTEM_MALLOC |
bf7f4e90 RS |
876 | /* Arrange to get warning messages as memory fills up. */ |
877 | memory_warnings (0, malloc_warning); | |
9ac0d9e0 | 878 | |
f5a3c8c4 AI |
879 | /* Call malloc at least once, to run the initial __malloc_hook. |
880 | Also call realloc and free for consistency. */ | |
881 | free (realloc (malloc (4), 4)); | |
bf7f4e90 | 882 | |
06ca62eb | 883 | # ifndef SYNC_INPUT |
bf7f4e90 RS |
884 | /* Arrange to disable interrupt input inside malloc etc. */ |
885 | uninterrupt_malloc (); | |
06ca62eb | 886 | # endif /* not SYNC_INPUT */ |
f927c5ae JB |
887 | #endif /* not SYSTEM_MALLOC */ |
888 | ||
3e9de9f6 | 889 | #ifdef FORWARD_SIGNAL_TO_MAIN_THREAD |
333f1b6f | 890 | main_thread = pthread_self (); |
3e9de9f6 | 891 | #endif /* FORWARD_SIGNAL_TO_MAIN_THREAD */ |
333f1b6f | 892 | |
edd3ff1d | 893 | #if defined (MSDOS) || defined (WINDOWSNT) |
29b89fe0 RS |
894 | /* We do all file input/output as binary files. When we need to translate |
895 | newlines, we do that manually. */ | |
896 | _fmode = O_BINARY; | |
edd3ff1d | 897 | #endif /* MSDOS || WINDOWSNT */ |
18198bb2 | 898 | |
edd3ff1d | 899 | #ifdef MSDOS |
18198bb2 RS |
900 | if (!isatty (fileno (stdin))) |
901 | setmode (fileno (stdin), O_BINARY); | |
902 | if (!isatty (fileno (stdout))) | |
903 | { | |
904 | fflush (stdout); | |
905 | setmode (fileno (stdout), O_BINARY); | |
906 | } | |
29b89fe0 RS |
907 | #endif /* MSDOS */ |
908 | ||
68c45bf0 PE |
909 | /* Skip initial setlocale if LC_ALL is "C", as it's not needed in that case. |
910 | The build procedure uses this while dumping, to ensure that the | |
911 | dumped Emacs does not have its system locale tables initialized, | |
912 | as that might cause screwups when the dumped Emacs starts up. */ | |
913 | { | |
914 | char *lc_all = getenv ("LC_ALL"); | |
915 | do_initial_setlocale = ! lc_all || strcmp (lc_all, "C"); | |
916 | } | |
917 | ||
918 | /* Set locale now, so that initial error messages are localized properly. | |
919 | fixup_locale must wait until later, since it builds strings. */ | |
920 | if (do_initial_setlocale) | |
921 | setlocale (LC_ALL, ""); | |
922 | ||
f927c5ae JB |
923 | inhibit_window_system = 0; |
924 | ||
7db35a48 | 925 | /* Handle the -t switch, which specifies filename to use as terminal. */ |
956e3c7e RS |
926 | while (1) |
927 | { | |
928 | char *term; | |
929 | if (argmatch (argv, argc, "-t", "--terminal", 4, &term, &skip_args)) | |
930 | { | |
931 | int result; | |
68c45bf0 PE |
932 | emacs_close (0); |
933 | emacs_close (1); | |
934 | result = emacs_open (term, O_RDWR, 0); | |
9055082e | 935 | if (result < 0 || dup (0) < 0) |
956e3c7e RS |
936 | { |
937 | char *errstring = strerror (errno); | |
186486eb | 938 | fprintf (stderr, "%s: %s: %s\n", argv[0], term, errstring); |
956e3c7e RS |
939 | exit (1); |
940 | } | |
956e3c7e RS |
941 | if (! isatty (0)) |
942 | { | |
186486eb | 943 | fprintf (stderr, "%s: %s: not a tty\n", argv[0], term); |
956e3c7e RS |
944 | exit (1); |
945 | } | |
946 | fprintf (stderr, "Using %s\n", term); | |
8ba50e1a | 947 | #ifdef HAVE_WINDOW_SYSTEM |
956e3c7e | 948 | inhibit_window_system = 1; /* -t => -nw */ |
f927c5ae | 949 | #endif |
956e3c7e RS |
950 | } |
951 | else | |
952 | break; | |
953 | } | |
954 | ||
400d6fa9 | 955 | /* Command line option --no-windows is deprecated and thus not mentioned |
333f9019 | 956 | in the manual and usage information. */ |
400d6fa9 PJ |
957 | if (argmatch (argv, argc, "-nw", "--no-window-system", 6, NULL, &skip_args) |
958 | || argmatch (argv, argc, "-nw", "--no-windows", 6, NULL, &skip_args)) | |
e2925360 | 959 | inhibit_window_system = 1; |
f927c5ae | 960 | |
e2925360 | 961 | /* Handle the -batch switch, which means don't do interactive display. */ |
f927c5ae | 962 | noninteractive = 0; |
df6530f8 | 963 | if (argmatch (argv, argc, "-batch", "--batch", 5, NULL, &skip_args)) |
55f4edbc RS |
964 | { |
965 | noninteractive = 1; | |
966 | Vundo_outer_limit = Qnil; | |
967 | } | |
6e910e07 RS |
968 | if (argmatch (argv, argc, "-script", "--script", 3, &junk, &skip_args)) |
969 | { | |
970 | noninteractive = 1; /* Set batch mode. */ | |
21a4ff8e | 971 | /* Convert --script to -scriptload, un-skip it, and sort again |
e09b9180 | 972 | so that it will be handled in proper sequence. */ |
a09a5b5b | 973 | /* FIXME broken for --script=FILE - is that supposed to work? */ |
c03cd23f | 974 | argv[skip_args - 1] = (char *) "-scriptload"; |
6e910e07 RS |
975 | skip_args -= 2; |
976 | sort_args (argc, argv); | |
977 | } | |
e2925360 | 978 | |
7db35a48 | 979 | /* Handle the --help option, which gives a usage message. */ |
df6530f8 | 980 | if (argmatch (argv, argc, "-help", "--help", 3, NULL, &skip_args)) |
f927c5ae | 981 | { |
6b61353c KH |
982 | printf (USAGE1, argv[0], USAGE2); |
983 | printf (USAGE3); | |
17284745 | 984 | printf (USAGE4); |
e2925360 | 985 | exit (0); |
f927c5ae JB |
986 | } |
987 | ||
4ff029f6 DN |
988 | if (argmatch (argv, argc, "-daemon", "--daemon", 5, NULL, &skip_args) |
989 | || argmatch (argv, argc, "-daemon", "--daemon", 5, &dname_arg, &skip_args)) | |
eab2ee89 | 990 | { |
9d29095c | 991 | #ifndef DOS_NT |
5790ef40 DN |
992 | pid_t f; |
993 | ||
994 | /* Start as a daemon: fork a new child process which will run the | |
995 | rest of the initialization code, then exit. | |
996 | ||
fc012771 SM |
997 | Detaching a daemon requires the following steps: |
998 | - fork | |
999 | - setsid | |
1000 | - exit the parent | |
1001 | - close the tty file-descriptors | |
1002 | ||
1003 | We only want to do the last 2 steps once the daemon is ready to | |
1004 | serve requests, i.e. after loading .emacs (initialization). | |
1005 | OTOH initialization may start subprocesses (e.g. ispell) and these | |
1006 | should be run from the proper process (the one that will end up | |
1007 | running as daemon) and with the proper "session id" in order for | |
1008 | them to keep working after detaching, so fork and setsid need to be | |
1009 | performed before initialization. | |
1010 | ||
5790ef40 DN |
1011 | We want to avoid exiting before the server socket is ready, so |
1012 | use a pipe for synchronization. The parent waits for the child | |
1013 | to close its end of the pipe (using `daemon-initialized') | |
1014 | before exiting. */ | |
1015 | if (pipe (daemon_pipe) == -1) | |
1016 | { | |
1017 | fprintf (stderr, "Cannot pipe!\n"); | |
1018 | exit (1); | |
1019 | } | |
1020 | ||
b3243e6f | 1021 | #ifndef NS_IMPL_COCOA |
8b3115e7 DN |
1022 | #ifdef USE_GTK |
1023 | fprintf (stderr, "\nWarning: due to a long standing Gtk+ bug\nhttp://bugzilla.gnome.org/show_bug.cgi?id=85715\n\ | |
1024 | Emacs might crash when run in daemon mode and the X11 connection is unexpectedly lost.\n\ | |
1025 | Using an Emacs configured with --with-x-toolkit=lucid does not have this problem.\n"); | |
1026 | #endif | |
5790ef40 | 1027 | f = fork (); |
cfa6accb AR |
1028 | #else /* NS_IMPL_COCOA */ |
1029 | /* Under Cocoa we must do fork+exec as CoreFoundation lib fails in | |
1030 | forked process: http://developer.apple.com/ReleaseNotes/ | |
1031 | CoreFoundation/CoreFoundation.html) | |
b3243e6f AR |
1032 | We mark being in the exec'd process by a daemon name argument of |
1033 | form "--daemon=\nFD0,FD1\nNAME" where FD are the pipe file descriptors, | |
1034 | NAME is the original daemon name, if any. */ | |
1035 | if (!dname_arg || !strchr (dname_arg, '\n')) | |
1036 | f = fork (); /* in orig */ | |
1037 | else | |
1038 | f = 0; /* in exec'd */ | |
cfa6accb | 1039 | #endif /* NS_IMPL_COCOA */ |
eab2ee89 | 1040 | if (f > 0) |
5790ef40 DN |
1041 | { |
1042 | int retval; | |
1043 | char buf[1]; | |
1044 | ||
1045 | /* Close unused writing end of the pipe. */ | |
1046 | close (daemon_pipe[1]); | |
1047 | ||
1048 | /* Just wait for the child to close its end of the pipe. */ | |
1049 | do | |
1050 | { | |
1051 | retval = read (daemon_pipe[0], &buf, 1); | |
1052 | } | |
1053 | while (retval == -1 && errno == EINTR); | |
1054 | ||
1055 | if (retval < 0) | |
1056 | { | |
1057 | fprintf (stderr, "Error reading status from child\n"); | |
1058 | exit (1); | |
1059 | } | |
fd95644b DN |
1060 | else if (retval == 0) |
1061 | { | |
1062 | fprintf (stderr, "Error: server did not start correctly\n"); | |
1063 | exit (1); | |
1064 | } | |
5790ef40 DN |
1065 | |
1066 | close (daemon_pipe[0]); | |
1067 | exit (0); | |
1068 | } | |
eab2ee89 DN |
1069 | if (f < 0) |
1070 | { | |
1071 | fprintf (stderr, "Cannot fork!\n"); | |
9d0a6e42 | 1072 | exit (1); |
eab2ee89 DN |
1073 | } |
1074 | ||
b3243e6f AR |
1075 | #ifdef NS_IMPL_COCOA |
1076 | { | |
cfa6accb | 1077 | /* In orig process, forked as child, OR in exec'd. */ |
b3243e6f | 1078 | if (!dname_arg || !strchr (dname_arg, '\n')) |
cfa6accb | 1079 | { /* In orig, child: now exec w/special daemon name. */ |
b3243e6f | 1080 | char fdStr[80]; |
66c6fdd5 PE |
1081 | int fdStrlen = |
1082 | snprintf (fdStr, sizeof fdStr, | |
1083 | "--daemon=\n%d,%d\n%s", daemon_pipe[0], | |
1084 | daemon_pipe[1], dname_arg ? dname_arg : ""); | |
b3243e6f | 1085 | |
66c6fdd5 | 1086 | if (! (0 <= fdStrlen && fdStrlen < sizeof fdStr)) |
b3243e6f AR |
1087 | { |
1088 | fprintf (stderr, "daemon: child name too long\n"); | |
1089 | exit (1); | |
1090 | } | |
1091 | ||
b3243e6f AR |
1092 | argv[skip_args] = fdStr; |
1093 | ||
1094 | execv (argv[0], argv); | |
cff11156 | 1095 | fprintf (stderr, "emacs daemon: exec failed: %d\n", errno); |
b3243e6f AR |
1096 | exit (1); |
1097 | } | |
1098 | ||
cfa6accb | 1099 | /* In exec'd: parse special dname into pipe and name info. */ |
b3243e6f AR |
1100 | if (!dname_arg || !strchr (dname_arg, '\n') |
1101 | || strlen (dname_arg) < 1 || strlen (dname_arg) > 70) | |
1102 | { | |
1103 | fprintf (stderr, "emacs daemon: daemon name absent or too long\n"); | |
5e617bc2 | 1104 | exit (1); |
b3243e6f AR |
1105 | } |
1106 | dname_arg2[0] = '\0'; | |
1107 | sscanf (dname_arg, "\n%d,%d\n%s", &(daemon_pipe[0]), &(daemon_pipe[1]), | |
1108 | dname_arg2); | |
0b963a93 | 1109 | dname_arg = *dname_arg2 ? dname_arg2 : NULL; |
b3243e6f | 1110 | } |
cfa6accb | 1111 | #endif /* NS_IMPL_COCOA */ |
b3243e6f | 1112 | |
4ff029f6 DN |
1113 | if (dname_arg) |
1114 | daemon_name = xstrdup (dname_arg); | |
5790ef40 DN |
1115 | /* Close unused reading end of the pipe. */ |
1116 | close (daemon_pipe[0]); | |
7c19d3ae DN |
1117 | /* Make sure that the used end of the pipe is closed on exec, so |
1118 | that it is not accessible to programs started from .emacs. */ | |
1119 | fcntl (daemon_pipe[1], F_SETFD, FD_CLOEXEC); | |
1120 | ||
eab2ee89 | 1121 | #ifdef HAVE_SETSID |
5e617bc2 | 1122 | setsid (); |
eab2ee89 | 1123 | #endif |
eab2ee89 | 1124 | #else /* DOS_NT */ |
9d29095c DN |
1125 | fprintf (stderr, "This platform does not support the -daemon flag.\n"); |
1126 | exit (1); | |
eab2ee89 | 1127 | #endif /* DOS_NT */ |
9d29095c | 1128 | } |
eab2ee89 | 1129 | |
edb85f59 RS |
1130 | if (! noninteractive) |
1131 | { | |
edb85f59 RS |
1132 | #if defined (USG5) && defined (INTERRUPT_INPUT) |
1133 | setpgrp (); | |
1134 | #endif | |
ae9e757a | 1135 | #if defined (HAVE_PTHREAD) && !defined (SYSTEM_MALLOC) && !defined (DOUG_LEA_MALLOC) |
5467331d | 1136 | { |
f57e2426 | 1137 | extern void malloc_enable_thread (void); |
5467331d YM |
1138 | |
1139 | malloc_enable_thread (); | |
1140 | } | |
edb85f59 RS |
1141 | #endif |
1142 | } | |
1143 | ||
fb8e9847 | 1144 | init_signals (); |
fb8e9847 | 1145 | |
1efa2983 KH |
1146 | /* Don't catch SIGHUP if dumping. */ |
1147 | if (1 | |
1148 | #ifndef CANNOT_DUMP | |
1149 | && initialized | |
1150 | #endif | |
1151 | ) | |
1152 | { | |
57e3d22a | 1153 | sigblock (sigmask (SIGHUP)); |
1efa2983 KH |
1154 | /* In --batch mode, don't catch SIGHUP if already ignored. |
1155 | That makes nohup work. */ | |
1156 | if (! noninteractive | |
1157 | || signal (SIGHUP, SIG_IGN) != SIG_IGN) | |
1158 | signal (SIGHUP, fatal_error_signal); | |
57e3d22a | 1159 | sigunblock (sigmask (SIGHUP)); |
1efa2983 KH |
1160 | } |
1161 | ||
f927c5ae JB |
1162 | if ( |
1163 | #ifndef CANNOT_DUMP | |
1164 | ! noninteractive || initialized | |
1165 | #else | |
1166 | 1 | |
1167 | #endif | |
1168 | ) | |
1169 | { | |
1efa2983 | 1170 | /* Don't catch these signals in batch mode if dumping. |
f927c5ae JB |
1171 | On some machines, this sets static data that would make |
1172 | signal fail to work right when the dumped Emacs is run. */ | |
f927c5ae JB |
1173 | signal (SIGQUIT, fatal_error_signal); |
1174 | signal (SIGILL, fatal_error_signal); | |
1175 | signal (SIGTRAP, fatal_error_signal); | |
7317d9e8 | 1176 | #ifdef SIGUSR1 |
71b28d05 | 1177 | add_user_signal (SIGUSR1, "sigusr1"); |
7317d9e8 | 1178 | #endif |
8247c60d | 1179 | #ifdef SIGUSR2 |
71b28d05 | 1180 | add_user_signal (SIGUSR2, "sigusr2"); |
7317d9e8 | 1181 | #endif |
99e372cd RS |
1182 | #ifdef SIGABRT |
1183 | signal (SIGABRT, fatal_error_signal); | |
1184 | #endif | |
1185 | #ifdef SIGHWE | |
1186 | signal (SIGHWE, fatal_error_signal); | |
1187 | #endif | |
1188 | #ifdef SIGPRE | |
1189 | signal (SIGPRE, fatal_error_signal); | |
1190 | #endif | |
1191 | #ifdef SIGORE | |
1192 | signal (SIGORE, fatal_error_signal); | |
1193 | #endif | |
1194 | #ifdef SIGUME | |
1195 | signal (SIGUME, fatal_error_signal); | |
1196 | #endif | |
1197 | #ifdef SIGDLK | |
1198 | signal (SIGDLK, fatal_error_signal); | |
1199 | #endif | |
1200 | #ifdef SIGCPULIM | |
1201 | signal (SIGCPULIM, fatal_error_signal); | |
1202 | #endif | |
a90538cb JB |
1203 | #ifdef SIGIOT |
1204 | /* This is missing on some systems - OS/2, for example. */ | |
f927c5ae | 1205 | signal (SIGIOT, fatal_error_signal); |
a90538cb | 1206 | #endif |
f927c5ae JB |
1207 | #ifdef SIGEMT |
1208 | signal (SIGEMT, fatal_error_signal); | |
1209 | #endif | |
1210 | signal (SIGFPE, fatal_error_signal); | |
00eaaa32 | 1211 | #ifdef SIGBUS |
f927c5ae | 1212 | signal (SIGBUS, fatal_error_signal); |
00eaaa32 | 1213 | #endif |
f927c5ae | 1214 | signal (SIGSEGV, fatal_error_signal); |
00eaaa32 | 1215 | #ifdef SIGSYS |
f927c5ae | 1216 | signal (SIGSYS, fatal_error_signal); |
9c524fcb | 1217 | #endif |
9c524fcb GM |
1218 | /* May need special treatment on MS-Windows. See |
1219 | http://lists.gnu.org/archive/html/emacs-devel/2010-09/msg01062.html | |
1220 | Please update the doc of kill-emacs, kill-emacs-hook, and | |
1221 | NEWS if you change this. | |
1222 | */ | |
383ebd15 | 1223 | if (noninteractive) signal (SIGINT, fatal_error_signal); |
f927c5ae JB |
1224 | signal (SIGTERM, fatal_error_signal); |
1225 | #ifdef SIGXCPU | |
1226 | signal (SIGXCPU, fatal_error_signal); | |
1227 | #endif | |
1228 | #ifdef SIGXFSZ | |
1229 | signal (SIGXFSZ, fatal_error_signal); | |
1230 | #endif /* SIGXFSZ */ | |
1231 | ||
271c7b7c RS |
1232 | #ifdef SIGDANGER |
1233 | /* This just means available memory is getting low. */ | |
1234 | signal (SIGDANGER, memory_warning_signal); | |
1235 | #endif | |
1236 | ||
f927c5ae | 1237 | #ifdef AIX |
56e034fa RS |
1238 | /* 20 is SIGCHLD, 21 is SIGTTIN, 22 is SIGTTOU. */ |
1239 | signal (SIGXCPU, fatal_error_signal); | |
f927c5ae JB |
1240 | signal (SIGIOINT, fatal_error_signal); |
1241 | signal (SIGGRANT, fatal_error_signal); | |
1242 | signal (SIGRETRACT, fatal_error_signal); | |
1243 | signal (SIGSOUND, fatal_error_signal); | |
1244 | signal (SIGMSG, fatal_error_signal); | |
1245 | #endif /* AIX */ | |
1246 | } | |
1247 | ||
1248 | noninteractive1 = noninteractive; | |
1249 | ||
7db35a48 | 1250 | /* Perform basic initializations (not merely interning symbols). */ |
f927c5ae JB |
1251 | |
1252 | if (!initialized) | |
1253 | { | |
1254 | init_alloc_once (); | |
1255 | init_obarray (); | |
1256 | init_eval_once (); | |
e37d7195 | 1257 | init_character_once (); |
270ce821 KH |
1258 | init_charset_once (); |
1259 | init_coding_once (); | |
f927c5ae | 1260 | init_syntax_once (); /* Create standard syntax table. */ |
270ce821 | 1261 | init_category_once (); /* Create standard category table. */ |
7db35a48 | 1262 | /* Must be done before init_buffer. */ |
f927c5ae | 1263 | init_casetab_once (); |
7db35a48 PJ |
1264 | init_buffer_once (); /* Create buffer table and some buffers. */ |
1265 | init_minibuf_once (); /* Create list of minibuffers. */ | |
1266 | /* Must precede init_window_once. */ | |
1267 | ||
90d920b6 GM |
1268 | /* Call syms_of_xfaces before init_window_once because that |
1269 | function creates Vterminal_frame. Termcap frames now use | |
1270 | faces, and the face implementation uses some symbols as | |
1271 | face names. */ | |
90d920b6 | 1272 | syms_of_xfaces (); |
4ea81208 KL |
1273 | /* XXX syms_of_keyboard uses some symbols in keymap.c. It would |
1274 | be better to arrange things not to have this dependency. */ | |
1275 | syms_of_keymap (); | |
7a18af49 KR |
1276 | /* Call syms_of_keyboard before init_window_once because |
1277 | keyboard sets up symbols that include some face names that | |
1278 | the X support will want to use. This can happen when | |
1279 | CANNOT_DUMP is defined. */ | |
1280 | syms_of_keyboard (); | |
90d920b6 | 1281 | |
985773c9 MB |
1282 | /* Called before syms_of_fileio, because it sets up Qerror_condition. */ |
1283 | syms_of_data (); | |
1284 | syms_of_fileio (); | |
1285 | /* Before syms_of_coding to initialize Vgc_cons_threshold. */ | |
1286 | syms_of_alloc (); | |
1287 | /* Before syms_of_coding because it initializes Qcharsetp. */ | |
1288 | syms_of_charset (); | |
1289 | /* Before init_window_once, because it sets up the | |
1290 | Vcoding_system_hash_table. */ | |
1291 | syms_of_coding (); /* This should be after syms_of_fileio. */ | |
1a578e9b | 1292 | |
7db35a48 | 1293 | init_window_once (); /* Init the window system. */ |
6b61353c KH |
1294 | #ifdef HAVE_WINDOW_SYSTEM |
1295 | init_fringe_once (); /* Swap bitmaps if necessary. */ | |
1296 | #endif /* HAVE_WINDOW_SYSTEM */ | |
f927c5ae JB |
1297 | } |
1298 | ||
1299 | init_alloc (); | |
68c45bf0 PE |
1300 | |
1301 | if (do_initial_setlocale) | |
1302 | { | |
1303 | fixup_locale (); | |
ca9c0567 PE |
1304 | Vsystem_messages_locale = Vprevious_system_messages_locale; |
1305 | Vsystem_time_locale = Vprevious_system_time_locale; | |
68c45bf0 PE |
1306 | } |
1307 | ||
f927c5ae JB |
1308 | init_eval (); |
1309 | init_data (); | |
ad067ea6 | 1310 | #ifdef CLASH_DETECTION |
01f67d2c | 1311 | init_filelock (); |
ad067ea6 | 1312 | #endif |
ab5d0358 | 1313 | init_atimer (); |
7074fde6 | 1314 | running_asynch_code = 0; |
0e956009 | 1315 | |
956e3c7e | 1316 | no_loadup |
b96f9fb7 | 1317 | = argmatch (argv, argc, "-nl", "--no-loadup", 6, NULL, &skip_args); |
956e3c7e | 1318 | |
66b7b0fe GM |
1319 | no_site_lisp |
1320 | = argmatch (argv, argc, "-nsl", "--no-site-lisp", 11, NULL, &skip_args); | |
1321 | ||
edfda783 | 1322 | #ifdef HAVE_NS |
204ee57f | 1323 | ns_pool = ns_alloc_autorelease_pool (); |
edfda783 AR |
1324 | if (!noninteractive) |
1325 | { | |
edfda783 AR |
1326 | #ifdef NS_IMPL_COCOA |
1327 | if (skip_args < argc) | |
1328 | { | |
32299e33 PE |
1329 | /* FIXME: Do the right thing if getenv returns NULL, or if |
1330 | chdir fails. */ | |
5e617bc2 | 1331 | if (!strncmp (argv[skip_args], "-psn", 4)) |
edfda783 AR |
1332 | { |
1333 | skip_args += 1; | |
3d0a4431 | 1334 | chdir (getenv ("HOME")); |
edfda783 | 1335 | } |
5e617bc2 | 1336 | else if (skip_args+1 < argc && !strncmp (argv[skip_args+1], "-psn", 4)) |
edfda783 | 1337 | { |
95889848 | 1338 | skip_args += 2; |
3d0a4431 | 1339 | chdir (getenv ("HOME")); |
edfda783 AR |
1340 | } |
1341 | } | |
9b68317c | 1342 | #endif /* COCOA */ |
edfda783 AR |
1343 | } |
1344 | #endif /* HAVE_NS */ | |
1345 | ||
956e3c7e RS |
1346 | #ifdef HAVE_X_WINDOWS |
1347 | /* Stupid kludge to catch command-line display spec. We can't | |
1348 | handle this argument entirely in window system dependent code | |
1349 | because we don't even know which window system dependent code | |
1350 | to run until we've recognized this argument. */ | |
1351 | { | |
1352 | char *displayname = 0; | |
956e3c7e RS |
1353 | int count_before = skip_args; |
1354 | ||
1355 | /* Skip any number of -d options, but only use the last one. */ | |
1356 | while (1) | |
1357 | { | |
1358 | int count_before_this = skip_args; | |
1359 | ||
1360 | if (argmatch (argv, argc, "-d", "--display", 3, &displayname, &skip_args)) | |
1361 | display_arg = 1; | |
1362 | else if (argmatch (argv, argc, "-display", 0, 3, &displayname, &skip_args)) | |
1363 | display_arg = 1; | |
1364 | else | |
1365 | break; | |
1366 | ||
1367 | count_before = count_before_this; | |
1368 | } | |
1369 | ||
1370 | /* If we have the form --display=NAME, | |
1371 | convert it into -d name. | |
1372 | This requires inserting a new element into argv. */ | |
0065d054 | 1373 | if (displayname && count_before < skip_args) |
956e3c7e | 1374 | { |
0065d054 PE |
1375 | if (skip_args == count_before + 1) |
1376 | { | |
1377 | memmove (argv + count_before + 3, argv + count_before + 2, | |
1378 | (argc - (count_before + 2)) * sizeof *argv); | |
1379 | argv[count_before + 2] = displayname; | |
1380 | argc++; | |
1381 | } | |
1382 | argv[count_before + 1] = (char *) "-d"; | |
956e3c7e | 1383 | } |
956e3c7e | 1384 | |
66b7b0fe GM |
1385 | if (! no_site_lisp) |
1386 | { | |
1387 | if (argmatch (argv, argc, "-Q", "--quick", 3, NULL, &skip_args) | |
1388 | || argmatch (argv, argc, "-quick", 0, 2, NULL, &skip_args)) | |
1389 | no_site_lisp = 1; | |
1390 | } | |
1391 | ||
956e3c7e RS |
1392 | /* Don't actually discard this arg. */ |
1393 | skip_args = count_before; | |
1394 | } | |
66b7b0fe GM |
1395 | #else /* !HAVE_X_WINDOWS */ |
1396 | if (! no_site_lisp) | |
1397 | { | |
1398 | int count_before = skip_args; | |
1399 | ||
1400 | if (argmatch (argv, argc, "-Q", "--quick", 3, NULL, &skip_args) | |
1401 | || argmatch (argv, argc, "-quick", 0, 2, NULL, &skip_args)) | |
1402 | no_site_lisp = 1; | |
1403 | ||
1404 | skip_args = count_before; | |
1405 | } | |
956e3c7e RS |
1406 | #endif |
1407 | ||
1408 | /* argmatch must not be used after here, | |
91af3942 | 1409 | except when building temacs |
956e3c7e RS |
1410 | because the -d argument has not been skipped in skip_args. */ |
1411 | ||
29b89fe0 RS |
1412 | #ifdef MSDOS |
1413 | /* Call early 'cause init_environment needs it. */ | |
1414 | init_dosfns (); | |
1415 | /* Set defaults for several environment variables. */ | |
18198bb2 RS |
1416 | if (initialized) |
1417 | init_environment (argc, argv, skip_args); | |
1418 | else | |
d1fc6752 | 1419 | tzset (); |
18198bb2 | 1420 | #endif /* MSDOS */ |
29b89fe0 | 1421 | |
8ba50e1a | 1422 | #ifdef WINDOWSNT |
9785d95b | 1423 | globals_of_w32 (); |
8ba50e1a | 1424 | /* Initialize environment from registry settings. */ |
a3a58294 | 1425 | init_environment (argv); |
7db35a48 | 1426 | init_ntproc (); /* must precede init_editfns. */ |
8ba50e1a GV |
1427 | #endif |
1428 | ||
edfda783 AR |
1429 | #ifdef HAVE_NS |
1430 | #ifndef CANNOT_DUMP | |
1431 | if (initialized) | |
1432 | #endif | |
1433 | ns_init_paths (); | |
1434 | #endif | |
1435 | ||
8b4eb796 KR |
1436 | /* Initialize and GC-protect Vinitial_environment and |
1437 | Vprocess_environment before set_initial_environment fills them | |
1438 | in. */ | |
1439 | if (!initialized) | |
1440 | syms_of_callproc (); | |
0e956009 JB |
1441 | /* egetenv is a pretty low-level facility, which may get called in |
1442 | many circumstances; it seems flimsy to put off initializing it | |
738db178 DN |
1443 | until calling init_callproc. Do not do it when dumping. */ |
1444 | if (initialized || ((strcmp (argv[argc-1], "dump") != 0 | |
1445 | && strcmp (argv[argc-1], "bootstrap") != 0))) | |
1446 | set_initial_environment (); | |
1447 | ||
93aed04d | 1448 | /* AIX crashes are reported in system versions 3.2.3 and 3.2.4 |
5990851d KL |
1449 | if this is not done. Do it after set_global_environment so that we |
1450 | don't pollute Vglobal_environment. */ | |
fa09a82d | 1451 | /* Setting LANG here will defeat the startup locale processing... */ |
f2a77c3a | 1452 | #ifdef AIX |
93aed04d RS |
1453 | putenv ("LANG=C"); |
1454 | #endif | |
0e956009 | 1455 | |
7db35a48 | 1456 | init_buffer (); /* Init default directory of main buffer. */ |
ace40a69 | 1457 | |
7928f0b5 | 1458 | init_callproc_1 (); /* Must precede init_cmdargs and init_sys_modes. */ |
ace40a69 | 1459 | init_cmdargs (argc, argv, skip_args); /* Must precede init_lread. */ |
380e25b8 RS |
1460 | |
1461 | if (initialized) | |
1462 | { | |
7db35a48 | 1463 | /* Erase any pre-dump messages in the message log, to avoid confusion. */ |
380e25b8 RS |
1464 | Lisp_Object old_log_max; |
1465 | old_log_max = Vmessage_log_max; | |
1466 | XSETFASTINT (Vmessage_log_max, 0); | |
f6fe7bb5 | 1467 | message_dolog ("", 0, 1, 0); |
380e25b8 RS |
1468 | Vmessage_log_max = old_log_max; |
1469 | } | |
1470 | ||
7928f0b5 | 1471 | init_callproc (); /* Must follow init_cmdargs but not init_sys_modes. */ |
fb8e9847 | 1472 | init_lread (); |
f927c5ae | 1473 | |
8bb697c0 RS |
1474 | /* Intern the names of all standard functions and variables; |
1475 | define standard keys. */ | |
f927c5ae JB |
1476 | |
1477 | if (!initialized) | |
1478 | { | |
4230ab74 KR |
1479 | /* The basic levels of Lisp must come first. Note that |
1480 | syms_of_data and some others have already been called. */ | |
e37d7195 | 1481 | syms_of_chartab (); |
fb8e9847 | 1482 | syms_of_lread (); |
f927c5ae JB |
1483 | syms_of_print (); |
1484 | syms_of_eval (); | |
1485 | syms_of_fns (); | |
f927c5ae | 1486 | syms_of_floatfns (); |
f927c5ae | 1487 | |
f927c5ae JB |
1488 | syms_of_buffer (); |
1489 | syms_of_bytecode (); | |
1490 | syms_of_callint (); | |
1491 | syms_of_casefiddle (); | |
1492 | syms_of_casetab (); | |
270ce821 KH |
1493 | syms_of_category (); |
1494 | syms_of_ccl (); | |
e37d7195 | 1495 | syms_of_character (); |
f927c5ae | 1496 | syms_of_cmds (); |
f927c5ae | 1497 | syms_of_dired (); |
f927c5ae JB |
1498 | syms_of_display (); |
1499 | syms_of_doc (); | |
1500 | syms_of_editfns (); | |
1501 | syms_of_emacs (); | |
f927c5ae | 1502 | syms_of_filelock (); |
f927c5ae | 1503 | syms_of_indent (); |
c2c5ed2c | 1504 | syms_of_insdel (); |
4ea81208 | 1505 | /* syms_of_keymap (); */ |
f927c5ae JB |
1506 | syms_of_macros (); |
1507 | syms_of_marker (); | |
1508 | syms_of_minibuf (); | |
f927c5ae | 1509 | syms_of_process (); |
f927c5ae | 1510 | syms_of_search (); |
1cbd5d9d | 1511 | syms_of_frame (); |
f927c5ae | 1512 | syms_of_syntax (); |
ed8dad6b | 1513 | syms_of_terminal (); |
0d934e7b | 1514 | syms_of_term (); |
f927c5ae | 1515 | syms_of_undo (); |
90d920b6 GM |
1516 | #ifdef HAVE_SOUND |
1517 | syms_of_sound (); | |
1518 | #endif | |
bef79ee4 | 1519 | syms_of_textprop (); |
9d100795 | 1520 | syms_of_composite (); |
05687c54 RS |
1521 | #ifdef WINDOWSNT |
1522 | syms_of_ntproc (); | |
1523 | #endif /* WINDOWSNT */ | |
f927c5ae JB |
1524 | syms_of_window (); |
1525 | syms_of_xdisp (); | |
d53f587b | 1526 | syms_of_font (); |
4fa9161d | 1527 | #ifdef HAVE_WINDOW_SYSTEM |
6b61353c KH |
1528 | syms_of_fringe (); |
1529 | syms_of_image (); | |
1530 | #endif /* HAVE_WINDOW_SYSTEM */ | |
f927c5ae | 1531 | #ifdef HAVE_X_WINDOWS |
72412588 | 1532 | syms_of_xterm (); |
f927c5ae | 1533 | syms_of_xfns (); |
edfda783 | 1534 | syms_of_xmenu (); |
270ce821 | 1535 | syms_of_fontset (); |
637fa988 | 1536 | syms_of_xsettings (); |
28b1b672 JD |
1537 | #ifdef HAVE_X_SM |
1538 | syms_of_xsmfns (); | |
1539 | #endif | |
72412588 JB |
1540 | #ifdef HAVE_X11 |
1541 | syms_of_xselect (); | |
1542 | #endif | |
f927c5ae JB |
1543 | #endif /* HAVE_X_WINDOWS */ |
1544 | ||
381408e2 LMI |
1545 | #ifdef HAVE_LIBXML2 |
1546 | syms_of_xml (); | |
1547 | #endif | |
1548 | ||
4e77ce60 | 1549 | syms_of_menu (); |
4e77ce60 | 1550 | |
8ba50e1a | 1551 | #ifdef HAVE_NTGUI |
fbd6baed GV |
1552 | syms_of_w32term (); |
1553 | syms_of_w32fns (); | |
fbd6baed GV |
1554 | syms_of_w32select (); |
1555 | syms_of_w32menu (); | |
02062ac3 | 1556 | syms_of_fontset (); |
8ba50e1a GV |
1557 | #endif /* HAVE_NTGUI */ |
1558 | ||
40da1153 EZ |
1559 | #ifdef MSDOS |
1560 | syms_of_xmenu (); | |
5e617bc2 JB |
1561 | syms_of_dosfns (); |
1562 | syms_of_msdos (); | |
1563 | syms_of_win16select (); | |
40da1153 EZ |
1564 | #endif /* MSDOS */ |
1565 | ||
edfda783 AR |
1566 | #ifdef HAVE_NS |
1567 | syms_of_nsterm (); | |
1568 | syms_of_nsfns (); | |
1569 | syms_of_nsmenu (); | |
1570 | syms_of_nsselect (); | |
1571 | syms_of_fontset (); | |
1572 | #endif /* HAVE_NS */ | |
1573 | ||
8af55556 TZ |
1574 | #ifdef HAVE_GNUTLS |
1575 | syms_of_gnutls (); | |
1576 | #endif | |
1577 | ||
033b73e2 MA |
1578 | #ifdef HAVE_DBUS |
1579 | syms_of_dbusbind (); | |
1580 | #endif /* HAVE_DBUS */ | |
1581 | ||
2e31d424 DN |
1582 | #ifdef WINDOWSNT |
1583 | syms_of_ntterm (); | |
1584 | #endif /* WINDOWSNT */ | |
f927c5ae JB |
1585 | |
1586 | keys_of_casefiddle (); | |
1587 | keys_of_cmds (); | |
1588 | keys_of_buffer (); | |
1589 | keys_of_keyboard (); | |
1590 | keys_of_keymap (); | |
f927c5ae | 1591 | keys_of_window (); |
9785d95b | 1592 | } |
3b6536b1 | 1593 | else |
9785d95b | 1594 | { |
3b6536b1 AS |
1595 | /* Initialization that must be done even if the global variable |
1596 | initialized is non zero. */ | |
9785d95b | 1597 | #ifdef HAVE_NTGUI |
db4f02f2 | 1598 | globals_of_w32font (); |
9785d95b BK |
1599 | globals_of_w32fns (); |
1600 | globals_of_w32menu (); | |
52c7f9ee | 1601 | globals_of_w32select (); |
3b6536b1 | 1602 | #endif /* HAVE_NTGUI */ |
f927c5ae JB |
1603 | } |
1604 | ||
cf411e8d KH |
1605 | init_charset (); |
1606 | ||
f7cf8b20 | 1607 | init_editfns (); /* init_process uses Voperating_system_release. */ |
2491d293 | 1608 | init_process (); /* init_display uses add_keyboard_wait_descriptor. */ |
7db35a48 | 1609 | init_keyboard (); /* This too must precede init_sys_modes. */ |
0a125897 | 1610 | if (!noninteractive) |
7c2fb837 | 1611 | init_display (); /* Determine terminal type. Calls init_sys_modes. */ |
90d920b6 | 1612 | init_fns (); |
8bb697c0 | 1613 | init_xdisp (); |
6b61353c KH |
1614 | #ifdef HAVE_WINDOW_SYSTEM |
1615 | init_fringe (); | |
1616 | init_image (); | |
1617 | #endif /* HAVE_WINDOW_SYSTEM */ | |
8bb697c0 | 1618 | init_macros (); |
8bb697c0 | 1619 | init_floatfns (); |
90d920b6 GM |
1620 | #ifdef HAVE_SOUND |
1621 | init_sound (); | |
1622 | #endif | |
75816372 | 1623 | init_window (); |
74d75424 | 1624 | init_font (); |
087fc47a | 1625 | |
f927c5ae JB |
1626 | if (!initialized) |
1627 | { | |
e2925360 | 1628 | char *file; |
7db35a48 | 1629 | /* Handle -l loadup, args passed by Makefile. */ |
df6530f8 | 1630 | if (argmatch (argv, argc, "-l", "--load", 3, &file, &skip_args)) |
d67b4f80 | 1631 | Vtop_level = Fcons (intern_c_string ("load"), |
e2925360 | 1632 | Fcons (build_string (file), Qnil)); |
f927c5ae | 1633 | /* Unless next switch is -nl, load "loadup.el" first thing. */ |
956e3c7e | 1634 | if (! no_loadup) |
d67b4f80 | 1635 | Vtop_level = Fcons (intern_c_string ("load"), |
f927c5ae | 1636 | Fcons (build_string ("loadup.el"), Qnil)); |
f927c5ae JB |
1637 | } |
1638 | ||
93572b43 KH |
1639 | if (initialized) |
1640 | { | |
0269dedb RS |
1641 | #ifdef HAVE_TZSET |
1642 | { | |
1643 | /* If the execution TZ happens to be the same as the dump TZ, | |
1644 | change it to some other value and then change it back, | |
1645 | to force the underlying implementation to reload the TZ info. | |
1646 | This is needed on implementations that load TZ info from files, | |
1647 | since the TZ file contents may differ between dump and execution. */ | |
1648 | char *tz = getenv ("TZ"); | |
1649 | if (tz && !strcmp (tz, dump_tz)) | |
1650 | { | |
1651 | ++*tz; | |
1652 | tzset (); | |
1653 | --*tz; | |
1654 | } | |
1655 | } | |
1656 | #endif | |
93572b43 KH |
1657 | } |
1658 | ||
ecf783fa EZ |
1659 | /* Set up for profiling. This is known to work on FreeBSD, |
1660 | GNU/Linux and MinGW. It might work on some other systems too. | |
1661 | Give it a try and tell us if it works on your system. To compile | |
7b3a82d7 | 1662 | for profiling, use the configure option --enable-profiling. */ |
5e617bc2 | 1663 | #if defined (__FreeBSD__) || defined (GNU_LINUX) || defined (__MINGW32__) |
e610ea43 RS |
1664 | #ifdef PROFILING |
1665 | if (initialized) | |
1666 | { | |
ecf783fa EZ |
1667 | #ifdef __MINGW32__ |
1668 | extern unsigned char etext asm ("etext"); | |
1669 | #else | |
e610ea43 | 1670 | extern char etext; |
ecf783fa | 1671 | #endif |
67a5596f | 1672 | |
e610ea43 | 1673 | atexit (_mcleanup); |
9e4bf381 | 1674 | monstartup ((uintptr_t) __executable_start, (uintptr_t) &etext); |
e610ea43 RS |
1675 | } |
1676 | else | |
1677 | moncontrol (0); | |
1678 | #endif | |
1679 | #endif | |
1680 | ||
f927c5ae JB |
1681 | initialized = 1; |
1682 | ||
e7536cff RS |
1683 | #ifdef LOCALTIME_CACHE |
1684 | /* Some versions of localtime have a bug. They cache the value of the time | |
279cc2b8 JB |
1685 | zone rather than looking it up every time. Since localtime() is |
1686 | called to bolt the undumping time into the undumped emacs, this | |
afe9fae9 | 1687 | results in localtime ignoring the TZ environment variable. |
7db35a48 | 1688 | This flushes the new TZ value into localtime. */ |
afe9fae9 | 1689 | tzset (); |
e7536cff | 1690 | #endif /* defined (LOCALTIME_CACHE) */ |
279cc2b8 | 1691 | |
f927c5ae JB |
1692 | /* Enter editor command loop. This never returns. */ |
1693 | Frecursive_edit (); | |
1694 | /* NOTREACHED */ | |
6bbd7a29 | 1695 | return 0; |
f927c5ae JB |
1696 | } |
1697 | \f | |
081bef73 RS |
1698 | /* Sort the args so we can find the most important ones |
1699 | at the beginning of argv. */ | |
1700 | ||
1701 | /* First, here's a table of all the standard options. */ | |
1702 | ||
1703 | struct standard_args | |
1704 | { | |
5e2327cf DN |
1705 | const char *name; |
1706 | const char *longname; | |
081bef73 RS |
1707 | int priority; |
1708 | int nargs; | |
1709 | }; | |
1710 | ||
35f08c38 | 1711 | static const struct standard_args standard_args[] = |
081bef73 | 1712 | { |
05922407 | 1713 | { "-version", "--version", 150, 0 }, |
f63d0028 | 1714 | { "-chdir", "--chdir", 130, 1 }, |
05922407 | 1715 | { "-t", "--terminal", 120, 1 }, |
400d6fa9 | 1716 | { "-nw", "--no-window-system", 110, 0 }, |
05922407 RS |
1717 | { "-nw", "--no-windows", 110, 0 }, |
1718 | { "-batch", "--batch", 100, 0 }, | |
6e910e07 | 1719 | { "-script", "--script", 100, 1 }, |
eab2ee89 | 1720 | { "-daemon", "--daemon", 99, 0 }, |
05922407 | 1721 | { "-help", "--help", 90, 0 }, |
956e3c7e | 1722 | { "-nl", "--no-loadup", 70, 0 }, |
66b7b0fe | 1723 | { "-nsl", "--no-site-lisp", 65, 0 }, |
956e3c7e RS |
1724 | /* -d must come last before the options handled in startup.el. */ |
1725 | { "-d", "--display", 60, 1 }, | |
1726 | { "-display", 0, 60, 1 }, | |
4fe22cdf | 1727 | /* Now for the options handled in `command-line' (startup.el). */ |
66b7b0fe | 1728 | /* (Note that to imply -nsl, -Q is partially handled here.) */ |
a1716a57 RS |
1729 | { "-Q", "--quick", 55, 0 }, |
1730 | { "-quick", 0, 55, 0 }, | |
081bef73 RS |
1731 | { "-q", "--no-init-file", 50, 0 }, |
1732 | { "-no-init-file", 0, 50, 0 }, | |
1733 | { "-no-site-file", "--no-site-file", 40, 0 }, | |
1734 | { "-u", "--user", 30, 1 }, | |
1735 | { "-user", 0, 30, 1 }, | |
1736 | { "-debug-init", "--debug-init", 20, 0 }, | |
f2bc3538 | 1737 | { "-iconic", "--iconic", 15, 0 }, |
a1716a57 | 1738 | { "-D", "--basic-display", 12, 0}, |
e09b9180 | 1739 | { "-basic-display", 0, 12, 0}, |
4fe22cdf CY |
1740 | { "-nbc", "--no-blinking-cursor", 12, 0 }, |
1741 | /* Now for the options handled in `command-line-1' (startup.el). */ | |
1742 | { "-nbi", "--no-bitmap-icon", 10, 0 }, | |
081bef73 RS |
1743 | { "-bg", "--background-color", 10, 1 }, |
1744 | { "-background", 0, 10, 1 }, | |
1745 | { "-fg", "--foreground-color", 10, 1 }, | |
1746 | { "-foreground", 0, 10, 1 }, | |
1747 | { "-bd", "--border-color", 10, 1 }, | |
1748 | { "-bw", "--border-width", 10, 1 }, | |
1749 | { "-ib", "--internal-border", 10, 1 }, | |
1750 | { "-ms", "--mouse-color", 10, 1 }, | |
1751 | { "-cr", "--cursor-color", 10, 1 }, | |
1752 | { "-fn", "--font", 10, 1 }, | |
1753 | { "-font", 0, 10, 1 }, | |
94452530 EZ |
1754 | { "-fs", "--fullscreen", 10, 0 }, |
1755 | { "-fw", "--fullwidth", 10, 0 }, | |
1756 | { "-fh", "--fullheight", 10, 0 }, | |
3f1c6666 | 1757 | { "-mm", "--maximized", 10, 0 }, |
081bef73 RS |
1758 | { "-g", "--geometry", 10, 1 }, |
1759 | { "-geometry", 0, 10, 1 }, | |
1760 | { "-T", "--title", 10, 1 }, | |
ae63ae52 | 1761 | { "-title", 0, 10, 1 }, |
081bef73 RS |
1762 | { "-name", "--name", 10, 1 }, |
1763 | { "-xrm", "--xrm", 10, 1 }, | |
1540a61a | 1764 | { "-parent-id", "--parent-id", 10, 1 }, |
fcdeb5d9 RS |
1765 | { "-r", "--reverse-video", 5, 0 }, |
1766 | { "-rv", 0, 5, 0 }, | |
1767 | { "-reverse", 0, 5, 0 }, | |
ae63ae52 | 1768 | { "-hb", "--horizontal-scroll-bars", 5, 0 }, |
fcdeb5d9 | 1769 | { "-vb", "--vertical-scroll-bars", 5, 0 }, |
d20e1b1e | 1770 | { "-color", "--color", 5, 0}, |
16706228 JL |
1771 | { "-no-splash", "--no-splash", 3, 0 }, |
1772 | { "-no-desktop", "--no-desktop", 3, 0 }, | |
edfda783 AR |
1773 | #ifdef HAVE_NS |
1774 | { "-NSAutoLaunch", 0, 5, 1 }, | |
1775 | { "-NXAutoLaunch", 0, 5, 1 }, | |
1776 | { "-disable-font-backend", "--disable-font-backend", 65, 0 }, | |
1777 | { "-_NSMachLaunch", 0, 85, 1 }, | |
1778 | { "-MachLaunch", 0, 85, 1 }, | |
1779 | { "-macosx", 0, 85, 0 }, | |
1780 | { "-NSHost", 0, 85, 1 }, | |
1781 | #endif | |
fcdeb5d9 RS |
1782 | /* These have the same priority as ordinary file name args, |
1783 | so they are not reordered with respect to those. */ | |
4af9e0b3 RS |
1784 | { "-L", "--directory", 0, 1 }, |
1785 | { "-directory", 0, 0, 1 }, | |
fcdeb5d9 RS |
1786 | { "-l", "--load", 0, 1 }, |
1787 | { "-load", 0, 0, 1 }, | |
21a4ff8e GM |
1788 | /* This has no longname, because using --scriptload confuses sort_args, |
1789 | because then the --script long option seems to match twice; ie | |
1790 | you can't have a long option which is a prefix of another long | |
1791 | option. In any case, this is entirely an internal option. */ | |
1792 | { "-scriptload", NULL, 0, 1 }, | |
fcdeb5d9 RS |
1793 | { "-f", "--funcall", 0, 1 }, |
1794 | { "-funcall", 0, 0, 1 }, | |
575985b1 | 1795 | { "-eval", "--eval", 0, 1 }, |
67a5596f | 1796 | { "-execute", "--execute", 0, 1 }, |
2e13f8e9 RS |
1797 | { "-find-file", "--find-file", 0, 1 }, |
1798 | { "-visit", "--visit", 0, 1 }, | |
67a5596f | 1799 | { "-file", "--file", 0, 1 }, |
fcdeb5d9 | 1800 | { "-insert", "--insert", 0, 1 }, |
edfda783 AR |
1801 | #ifdef HAVE_NS |
1802 | { "-NXOpen", 0, 0, 1 }, | |
1803 | { "-NXOpenTemp", 0, 0, 1 }, | |
1804 | { "-NSOpen", 0, 0, 1 }, | |
1805 | { "-NSOpenTemp", 0, 0, 1 }, | |
1806 | { "-GSFilePath", 0, 0, 1 }, | |
1807 | #endif | |
f2bc3538 | 1808 | /* This should be processed after ordinary file name args and the like. */ |
fcdeb5d9 | 1809 | { "-kill", "--kill", -10, 0 }, |
081bef73 RS |
1810 | }; |
1811 | ||
1812 | /* Reorder the elements of ARGV (assumed to have ARGC elements) | |
1813 | so that the highest priority ones come first. | |
1814 | Do not change the order of elements of equal priority. | |
956e3c7e RS |
1815 | If an option takes an argument, keep it and its argument together. |
1816 | ||
1817 | If an option that takes no argument appears more | |
1818 | than once, eliminate all but one copy of it. */ | |
081bef73 RS |
1819 | |
1820 | static void | |
dd4c5104 | 1821 | sort_args (int argc, char **argv) |
081bef73 | 1822 | { |
38182d90 | 1823 | char **new = xmalloc (argc * sizeof *new); |
081bef73 RS |
1824 | /* For each element of argv, |
1825 | the corresponding element of options is: | |
1826 | 0 for an option that takes no arguments, | |
1827 | 1 for an option that takes one argument, etc. | |
1828 | -1 for an ordinary non-option argument. */ | |
0065d054 PE |
1829 | int *options = xnmalloc (argc, sizeof *options); |
1830 | int *priority = xnmalloc (argc, sizeof *priority); | |
081bef73 | 1831 | int to = 1; |
956e3c7e | 1832 | int incoming_used = 1; |
081bef73 RS |
1833 | int from; |
1834 | int i; | |
1835 | ||
1836 | /* Categorize all the options, | |
1837 | and figure out which argv elts are option arguments. */ | |
1838 | for (from = 1; from < argc; from++) | |
1839 | { | |
1840 | options[from] = -1; | |
fcdeb5d9 | 1841 | priority[from] = 0; |
081bef73 RS |
1842 | if (argv[from][0] == '-') |
1843 | { | |
0b963a93 | 1844 | int match; |
081bef73 | 1845 | |
c96f26f4 RS |
1846 | /* If we have found "--", don't consider |
1847 | any more arguments as options. */ | |
249443b6 | 1848 | if (argv[from][1] == '-' && argv[from][2] == 0) |
c96f26f4 RS |
1849 | { |
1850 | /* Leave the "--", and everything following it, at the end. */ | |
1851 | for (; from < argc; from++) | |
1852 | { | |
1853 | priority[from] = -100; | |
1854 | options[from] = -1; | |
1855 | } | |
1856 | break; | |
1857 | } | |
1858 | ||
081bef73 RS |
1859 | /* Look for a match with a known old-fashioned option. */ |
1860 | for (i = 0; i < sizeof (standard_args) / sizeof (standard_args[0]); i++) | |
1861 | if (!strcmp (argv[from], standard_args[i].name)) | |
1862 | { | |
1863 | options[from] = standard_args[i].nargs; | |
1864 | priority[from] = standard_args[i].priority; | |
fd76ec52 RS |
1865 | if (from + standard_args[i].nargs >= argc) |
1866 | fatal ("Option `%s' requires an argument\n", argv[from]); | |
081bef73 RS |
1867 | from += standard_args[i].nargs; |
1868 | goto done; | |
1869 | } | |
1870 | ||
1871 | /* Look for a match with a known long option. | |
1872 | MATCH is -1 if no match so far, -2 if two or more matches so far, | |
1873 | >= 0 (the table index of the match) if just one match so far. */ | |
1874 | if (argv[from][1] == '-') | |
1875 | { | |
0b963a93 PE |
1876 | char const *equals = strchr (argv[from], '='); |
1877 | ptrdiff_t thislen = | |
1878 | equals ? equals - argv[from] : strlen (argv[from]); | |
1879 | ||
081bef73 | 1880 | match = -1; |
081bef73 | 1881 | |
f609ef57 KH |
1882 | for (i = 0; |
1883 | i < sizeof (standard_args) / sizeof (standard_args[0]); i++) | |
1884 | if (standard_args[i].longname | |
1885 | && !strncmp (argv[from], standard_args[i].longname, | |
1886 | thislen)) | |
081bef73 RS |
1887 | { |
1888 | if (match == -1) | |
1889 | match = i; | |
1890 | else | |
1891 | match = -2; | |
1892 | } | |
1893 | ||
1894 | /* If we found exactly one match, use that. */ | |
1895 | if (match >= 0) | |
1896 | { | |
1897 | options[from] = standard_args[match].nargs; | |
1898 | priority[from] = standard_args[match].priority; | |
1899 | /* If --OPTION=VALUE syntax is used, | |
1900 | this option uses just one argv element. */ | |
1901 | if (equals != 0) | |
1902 | options[from] = 0; | |
fd76ec52 RS |
1903 | if (from + options[from] >= argc) |
1904 | fatal ("Option `%s' requires an argument\n", argv[from]); | |
081bef73 RS |
1905 | from += options[from]; |
1906 | } | |
a09a5b5b GM |
1907 | /* FIXME When match < 0, shouldn't there be some error, |
1908 | or at least indication to the user that there was a | |
1909 | problem? */ | |
081bef73 RS |
1910 | } |
1911 | done: ; | |
1912 | } | |
1913 | } | |
1914 | ||
1915 | /* Copy the arguments, in order of decreasing priority, to NEW. */ | |
1916 | new[0] = argv[0]; | |
956e3c7e | 1917 | while (incoming_used < argc) |
081bef73 RS |
1918 | { |
1919 | int best = -1; | |
2c70c992 | 1920 | int best_priority = -9999; |
081bef73 RS |
1921 | |
1922 | /* Find the highest priority remaining option. | |
1923 | If several have equal priority, take the first of them. */ | |
1924 | for (from = 1; from < argc; from++) | |
1925 | { | |
1926 | if (argv[from] != 0 && priority[from] > best_priority) | |
1927 | { | |
1928 | best_priority = priority[from]; | |
1929 | best = from; | |
1930 | } | |
1931 | /* Skip option arguments--they are tied to the options. */ | |
1932 | if (options[from] > 0) | |
1933 | from += options[from]; | |
1934 | } | |
7db35a48 | 1935 | |
081bef73 RS |
1936 | if (best < 0) |
1937 | abort (); | |
1938 | ||
956e3c7e RS |
1939 | /* Copy the highest priority remaining option, with its args, to NEW. |
1940 | Unless it is a duplicate of the previous one. */ | |
1941 | if (! (options[best] == 0 | |
1942 | && ! strcmp (new[to - 1], argv[best]))) | |
1943 | { | |
1944 | new[to++] = argv[best]; | |
1945 | for (i = 0; i < options[best]; i++) | |
1946 | new[to++] = argv[best + i + 1]; | |
1947 | } | |
1948 | ||
1949 | incoming_used += 1 + (options[best] > 0 ? options[best] : 0); | |
081bef73 RS |
1950 | |
1951 | /* Clear out this option in ARGV. */ | |
1952 | argv[best] = 0; | |
1953 | for (i = 0; i < options[best]; i++) | |
1954 | argv[best + i + 1] = 0; | |
1955 | } | |
1956 | ||
81b7af72 RS |
1957 | /* If duplicate options were deleted, fill up extra space with null ptrs. */ |
1958 | while (to < argc) | |
1959 | new[to++] = 0; | |
1960 | ||
72af86bd | 1961 | memcpy (argv, new, sizeof (char *) * argc); |
0bf591da | 1962 | |
68db37aa KS |
1963 | xfree (options); |
1964 | xfree (new); | |
1965 | xfree (priority); | |
081bef73 RS |
1966 | } |
1967 | \f | |
a7ca3326 | 1968 | DEFUN ("kill-emacs", Fkill_emacs, Skill_emacs, 0, 1, "P", |
7db35a48 PJ |
1969 | doc: /* Exit the Emacs job and kill it. |
1970 | If ARG is an integer, return ARG as the exit program code. | |
b224de9b | 1971 | If ARG is a string, stuff it as keyboard input. |
7db35a48 | 1972 | |
9c524fcb | 1973 | This function is called upon receipt of the signals SIGTERM |
383ebd15 | 1974 | or SIGHUP, and upon SIGINT in batch mode. |
9c524fcb | 1975 | |
7db35a48 PJ |
1976 | The value of `kill-emacs-hook', if not void, |
1977 | is a list of functions (of no args), | |
1978 | all of which are called before Emacs is actually killed. */) | |
5842a27b | 1979 | (Lisp_Object arg) |
f927c5ae | 1980 | { |
f927c5ae | 1981 | struct gcpro gcpro1; |
dee091a3 | 1982 | Lisp_Object hook; |
8eca8a7c | 1983 | int exit_code; |
f927c5ae JB |
1984 | |
1985 | GCPRO1 (arg); | |
1986 | ||
1987 | if (feof (stdin)) | |
1988 | arg = Qt; | |
1989 | ||
dee091a3 JD |
1990 | hook = intern ("kill-emacs-hook"); |
1991 | Frun_hooks (1, &hook); | |
f927c5ae | 1992 | |
f927c5ae JB |
1993 | UNGCPRO; |
1994 | ||
1dd3c2d9 CY |
1995 | #ifdef HAVE_X_WINDOWS |
1996 | /* Transfer any clipboards we own to the clipboard manager. */ | |
1997 | x_clipboard_manager_save_all (); | |
1998 | #endif | |
1999 | ||
d0068e25 | 2000 | shut_down_emacs (0, 0, STRINGP (arg) ? arg : Qnil); |
40be253a | 2001 | |
204ee57f JD |
2002 | #ifdef HAVE_NS |
2003 | ns_release_autorelease_pool (ns_pool); | |
2004 | #endif | |
2005 | ||
58545838 KH |
2006 | /* If we have an auto-save list file, |
2007 | kill it because we are exiting Emacs deliberately (not crashing). | |
2008 | Do it after shut_down_emacs, which does an auto-save. */ | |
2009 | if (STRINGP (Vauto_save_list_file_name)) | |
42a5b22f | 2010 | unlink (SSDATA (Vauto_save_list_file_name)); |
58545838 | 2011 | |
5895d7b9 PE |
2012 | if (INTEGERP (arg)) |
2013 | exit_code = (XINT (arg) < 0 | |
2014 | ? XINT (arg) | INT_MIN | |
2015 | : XINT (arg) & INT_MAX); | |
2016 | else if (noninteractive && (fflush (stdout) || ferror (stdout))) | |
8eca8a7c | 2017 | exit_code = EXIT_FAILURE; |
d311d28c | 2018 | else |
5895d7b9 PE |
2019 | exit_code = EXIT_SUCCESS; |
2020 | exit (exit_code); | |
f927c5ae | 2021 | } |
40be253a JB |
2022 | |
2023 | ||
2024 | /* Perform an orderly shutdown of Emacs. Autosave any modified | |
2025 | buffers, kill any child processes, clean up the terminal modes (if | |
2026 | we're in the foreground), and other stuff like that. Don't perform | |
2027 | any redisplay; this may be called when Emacs is shutting down in | |
2028 | the background, or after its X connection has died. | |
2029 | ||
2030 | If SIG is a signal number, print a message for it. | |
2031 | ||
2032 | This is called by fatal signal handlers, X protocol error handlers, | |
2033 | and Fkill_emacs. */ | |
f7ab4e3d | 2034 | |
40be253a | 2035 | void |
d5a3eaaf | 2036 | shut_down_emacs (int sig, int no_x, Lisp_Object stuff) |
40be253a | 2037 | { |
829d872b RS |
2038 | /* Prevent running of hooks from now on. */ |
2039 | Vrun_hooks = Qnil; | |
2040 | ||
9db03f6c KS |
2041 | /* Don't update display from now on. */ |
2042 | Vinhibit_redisplay = Qt; | |
2043 | ||
7db35a48 | 2044 | /* If we are controlling the terminal, reset terminal modes. */ |
a7ebc409 | 2045 | #ifndef DOS_NT |
40be253a | 2046 | { |
d04d81d2 | 2047 | int pgrp = EMACS_GETPGRP (0); |
12e610e8 DN |
2048 | int tpgrp = tcgetpgrp (0); |
2049 | if ((tpgrp != -1) && tpgrp == pgrp) | |
40be253a | 2050 | { |
28d440ab | 2051 | reset_all_sys_modes (); |
40be253a | 2052 | if (sig && sig != SIGTERM) |
6b61353c | 2053 | fprintf (stderr, "Fatal error (%d)", sig); |
40be253a JB |
2054 | } |
2055 | } | |
2056 | #else | |
2057 | fflush (stdout); | |
0a125897 | 2058 | reset_all_sys_modes (); |
40be253a JB |
2059 | #endif |
2060 | ||
f7ab4e3d RS |
2061 | stuff_buffered_input (stuff); |
2062 | ||
92d835a4 | 2063 | inhibit_sentinels = 1; |
40be253a JB |
2064 | kill_buffer_processes (Qnil); |
2065 | Fdo_auto_save (Qt, Qnil); | |
2066 | ||
2067 | #ifdef CLASH_DETECTION | |
2068 | unlock_all_files (); | |
2069 | #endif | |
2070 | ||
5e7f8733 | 2071 | #if 0 /* This triggers a bug in XCloseDisplay and is not needed. */ |
41423a80 | 2072 | #ifdef HAVE_X_WINDOWS |
f7511647 | 2073 | /* It's not safe to call intern here. Maybe we are crashing. */ |
2246281f KL |
2074 | if (!noninteractive && SYMBOLP (Vinitial_window_system) |
2075 | && SCHARS (SYMBOL_NAME (Vinitial_window_system)) == 1 | |
2076 | && SREF (SYMBOL_NAME (Vinitial_window_system), 0) == 'x' | |
f7511647 | 2077 | && ! no_x) |
41423a80 RS |
2078 | Fx_close_current_connection (); |
2079 | #endif /* HAVE_X_WINDOWS */ | |
5e7f8733 | 2080 | #endif |
41423a80 | 2081 | |
40be253a JB |
2082 | #ifdef SIGIO |
2083 | /* There is a tendency for a SIGIO signal to arrive within exit, | |
2084 | and cause a SIGHUP because the input descriptor is already closed. */ | |
2085 | unrequest_sigio (); | |
2086 | signal (SIGIO, SIG_IGN); | |
2087 | #endif | |
41f339d4 RS |
2088 | |
2089 | #ifdef WINDOWSNT | |
2090 | term_ntproc (); | |
2091 | #endif | |
d546e578 | 2092 | |
cd8d4168 GM |
2093 | /* Do this only if terminating normally, we want glyph matrices |
2094 | etc. in a core dump. */ | |
200f868e | 2095 | if (sig == 0 || sig == SIGTERM) |
cd8d4168 GM |
2096 | { |
2097 | check_glyph_memory (); | |
2098 | check_message_stack (); | |
2099 | } | |
90d920b6 | 2100 | |
d546e578 EZ |
2101 | #ifdef MSDOS |
2102 | dos_cleanup (); | |
2103 | #endif | |
edfda783 AR |
2104 | |
2105 | #ifdef HAVE_NS | |
2106 | ns_term_shutdown (sig); | |
2107 | #endif | |
fcb901a7 LMI |
2108 | |
2109 | #ifdef HAVE_LIBXML2 | |
9078ead6 | 2110 | xml_cleanup_parser (); |
fcb901a7 | 2111 | #endif |
40be253a JB |
2112 | } |
2113 | ||
2114 | ||
f927c5ae JB |
2115 | \f |
2116 | #ifndef CANNOT_DUMP | |
f927c5ae | 2117 | |
ce701a33 | 2118 | #include "unexec.h" |
dd5ecd6b | 2119 | |
f927c5ae | 2120 | DEFUN ("dump-emacs", Fdump_emacs, Sdump_emacs, 2, 2, 0, |
7db35a48 PJ |
2121 | doc: /* Dump current state of Emacs into executable file FILENAME. |
2122 | Take symbols from SYMFILE (presumably the file you executed to run Emacs). | |
2123 | This is used in the file `loadup.el' when building Emacs. | |
2124 | ||
2125 | You must run Emacs in batch mode in order to dump it. */) | |
5842a27b | 2126 | (Lisp_Object filename, Lisp_Object symfile) |
f927c5ae | 2127 | { |
f927c5ae | 2128 | Lisp_Object tem; |
1b7ddf4f | 2129 | Lisp_Object symbol; |
d311d28c | 2130 | ptrdiff_t count = SPECPDL_INDEX (); |
4fab758d GM |
2131 | |
2132 | check_pure_size (); | |
f927c5ae | 2133 | |
87a98b1a RS |
2134 | if (! noninteractive) |
2135 | error ("Dumping Emacs works only in batch mode"); | |
2136 | ||
848a925e | 2137 | #ifdef GNU_LINUX |
c339dc2e PE |
2138 | |
2139 | /* Warn if the gap between BSS end and heap start is larger than this. */ | |
2140 | # define MAX_HEAP_BSS_DIFF (1024*1024) | |
2141 | ||
dede2792 JD |
2142 | if (heap_bss_diff > MAX_HEAP_BSS_DIFF) |
2143 | { | |
2144 | fprintf (stderr, "**************************************************\n"); | |
2145 | fprintf (stderr, "Warning: Your system has a gap between BSS and the\n"); | |
b312a492 | 2146 | fprintf (stderr, "heap (%"pMu" bytes). This usually means that exec-shield\n", |
c37caf9d JD |
2147 | heap_bss_diff); |
2148 | fprintf (stderr, "or something similar is in effect. The dump may\n"); | |
e79beb56 | 2149 | fprintf (stderr, "fail because of this. See the section about\n"); |
c37caf9d | 2150 | fprintf (stderr, "exec-shield in etc/PROBLEMS for more information.\n"); |
dede2792 JD |
2151 | fprintf (stderr, "**************************************************\n"); |
2152 | } | |
848a925e | 2153 | #endif /* GNU_LINUX */ |
dede2792 | 2154 | |
1b7ddf4f RS |
2155 | /* Bind `command-line-processed' to nil before dumping, |
2156 | so that the dumped Emacs will process its command line | |
2157 | and set up to work with X windows if appropriate. */ | |
4aaa3607 | 2158 | symbol = intern ("command-line-processed"); |
1b7ddf4f RS |
2159 | specbind (symbol, Qnil); |
2160 | ||
b7826503 | 2161 | CHECK_STRING (filename); |
c9aae259 EN |
2162 | filename = Fexpand_file_name (filename, Qnil); |
2163 | if (!NILP (symfile)) | |
f927c5ae | 2164 | { |
b7826503 | 2165 | CHECK_STRING (symfile); |
d5db4077 | 2166 | if (SCHARS (symfile)) |
c9aae259 | 2167 | symfile = Fexpand_file_name (symfile, Qnil); |
f927c5ae JB |
2168 | } |
2169 | ||
2170 | tem = Vpurify_flag; | |
2171 | Vpurify_flag = Qnil; | |
2172 | ||
0269dedb RS |
2173 | #ifdef HAVE_TZSET |
2174 | set_time_zone_rule (dump_tz); | |
2175 | #ifndef LOCALTIME_CACHE | |
2176 | /* Force a tz reload, since set_time_zone_rule doesn't. */ | |
2177 | tzset (); | |
2178 | #endif | |
2179 | #endif | |
2180 | ||
f927c5ae | 2181 | fflush (stdout); |
7db35a48 | 2182 | /* Tell malloc where start of impure now is. */ |
f927c5ae JB |
2183 | /* Also arrange for warnings when nearly out of space. */ |
2184 | #ifndef SYSTEM_MALLOC | |
cc5f52cb RS |
2185 | #ifndef WINDOWSNT |
2186 | /* On Windows, this was done before dumping, and that once suffices. | |
2187 | Meanwhile, my_edata is not valid on Windows. */ | |
c339dc2e PE |
2188 | { |
2189 | extern char my_edata[]; | |
2190 | memory_warnings (my_edata, malloc_warning); | |
2191 | } | |
cc5f52cb | 2192 | #endif /* not WINDOWSNT */ |
ae9e757a | 2193 | #if defined (HAVE_PTHREAD) && !defined SYNC_INPUT |
aa477689 JD |
2194 | /* Pthread may call malloc before main, and then we will get an endless |
2195 | loop, because pthread_self (see alloc.c) calls malloc the first time | |
2196 | it is called on some systems. */ | |
2197 | reset_malloc_hooks (); | |
2198 | #endif | |
dd5ecd6b | 2199 | #endif /* not SYSTEM_MALLOC */ |
15aaf1b5 RS |
2200 | #ifdef DOUG_LEA_MALLOC |
2201 | malloc_state_ptr = malloc_get_state (); | |
f927c5ae | 2202 | #endif |
2b7377ca | 2203 | |
a74c5ec1 | 2204 | #ifdef USE_MMAP_FOR_BUFFERS |
2b7377ca GM |
2205 | mmap_set_vars (0); |
2206 | #endif | |
42a5b22f | 2207 | unexec (SSDATA (filename), !NILP (symfile) ? SSDATA (symfile) : 0); |
a74c5ec1 | 2208 | #ifdef USE_MMAP_FOR_BUFFERS |
2b7377ca GM |
2209 | mmap_set_vars (1); |
2210 | #endif | |
15aaf1b5 RS |
2211 | #ifdef DOUG_LEA_MALLOC |
2212 | free (malloc_state_ptr); | |
2213 | #endif | |
f927c5ae JB |
2214 | |
2215 | Vpurify_flag = tem; | |
2216 | ||
1b7ddf4f | 2217 | return unbind_to (count, Qnil); |
f927c5ae JB |
2218 | } |
2219 | ||
f927c5ae JB |
2220 | #endif /* not CANNOT_DUMP */ |
2221 | \f | |
68c45bf0 PE |
2222 | #if HAVE_SETLOCALE |
2223 | /* Recover from setlocale (LC_ALL, ""). */ | |
2224 | void | |
d5a3eaaf | 2225 | fixup_locale (void) |
68c45bf0 | 2226 | { |
68c45bf0 PE |
2227 | /* The Emacs Lisp reader needs LC_NUMERIC to be "C", |
2228 | so that numbers are read and printed properly for Emacs Lisp. */ | |
2229 | setlocale (LC_NUMERIC, "C"); | |
68c45bf0 PE |
2230 | } |
2231 | ||
0c8559bb PE |
2232 | /* Set system locale CATEGORY, with previous locale *PLOCALE, to |
2233 | DESIRED_LOCALE. */ | |
68c45bf0 | 2234 | static void |
dd4c5104 | 2235 | synchronize_locale (int category, Lisp_Object *plocale, Lisp_Object desired_locale) |
68c45bf0 | 2236 | { |
0c8559bb PE |
2237 | if (! EQ (*plocale, desired_locale)) |
2238 | { | |
2239 | *plocale = desired_locale; | |
2240 | setlocale (category, (STRINGP (desired_locale) | |
51b59d79 | 2241 | ? SSDATA (desired_locale) |
0c8559bb PE |
2242 | : "")); |
2243 | } | |
68c45bf0 PE |
2244 | } |
2245 | ||
ca9c0567 | 2246 | /* Set system time locale to match Vsystem_time_locale, if possible. */ |
68c45bf0 | 2247 | void |
d5a3eaaf | 2248 | synchronize_system_time_locale (void) |
68c45bf0 | 2249 | { |
ca9c0567 PE |
2250 | synchronize_locale (LC_TIME, &Vprevious_system_time_locale, |
2251 | Vsystem_time_locale); | |
68c45bf0 PE |
2252 | } |
2253 | ||
ca9c0567 PE |
2254 | /* Set system messages locale to match Vsystem_messages_locale, if |
2255 | possible. */ | |
68c45bf0 | 2256 | void |
d5a3eaaf | 2257 | synchronize_system_messages_locale (void) |
68c45bf0 PE |
2258 | { |
2259 | #ifdef LC_MESSAGES | |
ca9c0567 PE |
2260 | synchronize_locale (LC_MESSAGES, &Vprevious_system_messages_locale, |
2261 | Vsystem_messages_locale); | |
68c45bf0 PE |
2262 | #endif |
2263 | } | |
2264 | #endif /* HAVE_SETLOCALE */ | |
2265 | \f | |
4b163808 | 2266 | #ifndef SEPCHAR |
f927c5ae JB |
2267 | #define SEPCHAR ':' |
2268 | #endif | |
2269 | ||
2270 | Lisp_Object | |
a8fe7202 | 2271 | decode_env_path (const char *evarname, const char *defalt) |
f927c5ae | 2272 | { |
a8fe7202 | 2273 | const char *path, *p; |
213d0b1f | 2274 | Lisp_Object lpath, element, tem; |
f927c5ae | 2275 | |
2447c626 JB |
2276 | /* It's okay to use getenv here, because this function is only used |
2277 | to initialize variables when Emacs starts up, and isn't called | |
2278 | after that. */ | |
e065a56e | 2279 | if (evarname != 0) |
a8fe7202 | 2280 | path = getenv (evarname); |
e065a56e JB |
2281 | else |
2282 | path = 0; | |
f927c5ae JB |
2283 | if (!path) |
2284 | path = defalt; | |
6a30e6d6 RS |
2285 | #ifdef DOS_NT |
2286 | /* Ensure values from the environment use the proper directory separator. */ | |
2287 | if (path) | |
2288 | { | |
a8fe7202 AS |
2289 | char *path_copy = alloca (strlen (path) + 1); |
2290 | strcpy (path_copy, path); | |
2291 | dostounix_filename (path_copy); | |
2292 | path = path_copy; | |
6a30e6d6 RS |
2293 | } |
2294 | #endif | |
f927c5ae JB |
2295 | lpath = Qnil; |
2296 | while (1) | |
2297 | { | |
8966b757 | 2298 | p = strchr (path, SEPCHAR); |
a8fe7202 AS |
2299 | if (!p) |
2300 | p = path + strlen (path); | |
213d0b1f RS |
2301 | element = (p - path ? make_string (path, p - path) |
2302 | : build_string (".")); | |
2303 | ||
2304 | /* Add /: to the front of the name | |
2305 | if it would otherwise be treated as magic. */ | |
2306 | tem = Ffind_file_name_handler (element, Qt); | |
ca3df2d5 RS |
2307 | |
2308 | /* However, if the handler says "I'm safe", | |
2309 | don't bother adding /:. */ | |
2310 | if (SYMBOLP (tem)) | |
2311 | { | |
2312 | Lisp_Object prop; | |
2313 | prop = Fget (tem, intern ("safe-magic")); | |
2314 | if (! NILP (prop)) | |
2315 | tem = Qnil; | |
2316 | } | |
2317 | ||
213d0b1f RS |
2318 | if (! NILP (tem)) |
2319 | element = concat2 (build_string ("/:"), element); | |
2320 | ||
2321 | lpath = Fcons (element, lpath); | |
f927c5ae JB |
2322 | if (*p) |
2323 | path = p + 1; | |
2324 | else | |
2325 | break; | |
2326 | } | |
2327 | return Fnreverse (lpath); | |
2328 | } | |
2329 | ||
eab2ee89 | 2330 | DEFUN ("daemonp", Fdaemonp, Sdaemonp, 0, 0, 0, |
4ff029f6 DN |
2331 | doc: /* Return non-nil if the current emacs process is a daemon. |
2332 | If the daemon was given a name argument, return that name. */) | |
5842a27b | 2333 | (void) |
eab2ee89 | 2334 | { |
fc012771 | 2335 | if (IS_DAEMON) |
4ff029f6 DN |
2336 | if (daemon_name) |
2337 | return build_string (daemon_name); | |
2338 | else | |
2339 | return Qt; | |
2340 | else | |
2341 | return Qnil; | |
eab2ee89 DN |
2342 | } |
2343 | ||
5790ef40 | 2344 | DEFUN ("daemon-initialized", Fdaemon_initialized, Sdaemon_initialized, 0, 0, 0, |
fc012771 SM |
2345 | doc: /* Mark the Emacs daemon as being initialized. |
2346 | This finishes the daemonization process by doing the other half of detaching | |
2347 | from the parent process and its tty file descriptors. */) | |
5842a27b | 2348 | (void) |
5790ef40 DN |
2349 | { |
2350 | int nfd; | |
dc1ca6a8 | 2351 | int err = 0; |
5790ef40 | 2352 | |
fc012771 | 2353 | if (!IS_DAEMON) |
5790ef40 DN |
2354 | error ("This function can only be called if emacs is run as a daemon"); |
2355 | ||
2356 | if (daemon_pipe[1] < 0) | |
2357 | error ("The daemon has already been initialized"); | |
2358 | ||
2359 | if (NILP (Vafter_init_time)) | |
2360 | error ("This function can only be called after loading the init files"); | |
2361 | ||
2362 | /* Get rid of stdin, stdout and stderr. */ | |
29dadb54 | 2363 | nfd = open ("/dev/null", O_RDWR); |
dc1ca6a8 PE |
2364 | err |= nfd < 0; |
2365 | err |= dup2 (nfd, 0) < 0; | |
2366 | err |= dup2 (nfd, 1) < 0; | |
2367 | err |= dup2 (nfd, 2) < 0; | |
2368 | err |= close (nfd) != 0; | |
5790ef40 | 2369 | |
fc012771 SM |
2370 | /* Closing the pipe will notify the parent that it can exit. |
2371 | FIXME: In case some other process inherited the pipe, closing it here | |
2372 | won't notify the parent because it's still open elsewhere, so we | |
2373 | additionally send a byte, just to make sure the parent really exits. | |
2374 | Instead, we should probably close the pipe in start-process and | |
2375 | call-process to make sure the pipe is never inherited by | |
2376 | subprocesses. */ | |
dc1ca6a8 PE |
2377 | err |= write (daemon_pipe[1], "\n", 1) < 0; |
2378 | err |= close (daemon_pipe[1]) != 0; | |
5790ef40 DN |
2379 | /* Set it to an invalid value so we know we've already run this function. */ |
2380 | daemon_pipe[1] = -1; | |
dc1ca6a8 PE |
2381 | |
2382 | if (err) | |
2383 | error ("I/O error during daemon initialization"); | |
5790ef40 DN |
2384 | return Qt; |
2385 | } | |
2386 | ||
dfcf069d | 2387 | void |
d5a3eaaf | 2388 | syms_of_emacs (void) |
f927c5ae | 2389 | { |
cd3520a4 JB |
2390 | DEFSYM (Qfile_name_handler_alist, "file-name-handler-alist"); |
2391 | DEFSYM (Qrisky_local_variable, "risky-local-variable"); | |
6c07aac2 | 2392 | DEFSYM (Qkill_emacs, "kill-emacs"); |
213d0b1f | 2393 | |
83591e66 | 2394 | #ifndef CANNOT_DUMP |
f927c5ae JB |
2395 | defsubr (&Sdump_emacs); |
2396 | #endif | |
2397 | ||
2398 | defsubr (&Skill_emacs); | |
2399 | ||
59653951 | 2400 | defsubr (&Sinvocation_name); |
ace40a69 | 2401 | defsubr (&Sinvocation_directory); |
eab2ee89 | 2402 | defsubr (&Sdaemonp); |
5790ef40 | 2403 | defsubr (&Sdaemon_initialized); |
59653951 | 2404 | |
29208e82 | 2405 | DEFVAR_LISP ("command-line-args", Vcommand_line_args, |
2a9d2ed6 RS |
2406 | doc: /* Args passed by shell to Emacs, as a list of strings. |
2407 | Many arguments are deleted from the list as they are processed. */); | |
f927c5ae | 2408 | |
29208e82 | 2409 | DEFVAR_LISP ("system-type", Vsystem_type, |
cf59a374 | 2410 | doc: /* The value is a symbol indicating the type of operating system you are using. |
40a8993a | 2411 | Special values: |
cf59a374 GM |
2412 | `gnu' compiled for a GNU Hurd system. |
2413 | `gnu/linux' compiled for a GNU/Linux system. | |
2414 | `gnu/kfreebsd' compiled for a GNU system with a FreeBSD kernel. | |
2415 | `darwin' compiled for Darwin (GNU-Darwin, Mac OS X, ...). | |
2416 | `ms-dos' compiled as an MS-DOS application. | |
2417 | `windows-nt' compiled as a native W32 application. | |
2418 | `cygwin' compiled using the Cygwin library. | |
bd6bc222 GM |
2419 | Anything else (in Emacs 24.1, the possibilities are: aix, berkeley-unix, |
2420 | hpux, irix, usg-unix-v) indicates some sort of Unix system. */); | |
d67b4f80 | 2421 | Vsystem_type = intern_c_string (SYSTEM_TYPE); |
60393507 | 2422 | /* The above values are from SYSTEM_TYPE in include files under src/s. */ |
f927c5ae | 2423 | |
29208e82 | 2424 | DEFVAR_LISP ("system-configuration", Vsystem_configuration, |
7db35a48 PJ |
2425 | doc: /* Value is string indicating configuration Emacs was built for. |
2426 | On MS-Windows, the value reflects the OS flavor and version on which | |
2427 | Emacs is running. */); | |
f7511647 | 2428 | Vsystem_configuration = build_string (EMACS_CONFIGURATION); |
271c7b7c | 2429 | |
29208e82 | 2430 | DEFVAR_LISP ("system-configuration-options", Vsystem_configuration_options, |
7db35a48 | 2431 | doc: /* String containing the configuration options Emacs was built with. */); |
f0fc0b1a KH |
2432 | Vsystem_configuration_options = build_string (EMACS_CONFIG_OPTIONS); |
2433 | ||
29208e82 | 2434 | DEFVAR_BOOL ("noninteractive", noninteractive1, |
7db35a48 | 2435 | doc: /* Non-nil means Emacs is running without interactive terminal. */); |
e5d77022 | 2436 | |
29208e82 | 2437 | DEFVAR_LISP ("kill-emacs-hook", Vkill_emacs_hook, |
e79beb56 | 2438 | doc: /* Hook to be run when `kill-emacs' is called. |
d77b70e5 | 2439 | Since `kill-emacs' may be invoked when the terminal is disconnected (or |
7db35a48 PJ |
2440 | in other similar situations), functions placed on this hook should not |
2441 | expect to be able to interact with the user. To ask for confirmation, | |
d77b70e5 MR |
2442 | see `kill-emacs-query-functions' instead. |
2443 | ||
9c524fcb GM |
2444 | Before Emacs 24.1, the hook was not run in batch mode, i.e., if |
2445 | `noninteractive' was non-nil. */); | |
edc8ae07 | 2446 | Vkill_emacs_hook = Qnil; |
3005da00 | 2447 | |
29208e82 | 2448 | DEFVAR_LISP ("path-separator", Vpath_separator, |
c7ed3276 EZ |
2449 | doc: /* String containing the character that separates directories in |
2450 | search paths, such as PATH and other similar environment variables. */); | |
074a066b GV |
2451 | { |
2452 | char c = SEPCHAR; | |
2453 | Vpath_separator = make_string (&c, 1); | |
2454 | } | |
59653951 | 2455 | |
29208e82 | 2456 | DEFVAR_LISP ("invocation-name", Vinvocation_name, |
7db35a48 PJ |
2457 | doc: /* The program name that was used to run Emacs. |
2458 | Any directory names are omitted. */); | |
f67de86f | 2459 | |
29208e82 | 2460 | DEFVAR_LISP ("invocation-directory", Vinvocation_directory, |
7db35a48 PJ |
2461 | doc: /* The directory in which the Emacs executable was found, to run it. |
2462 | The value is nil if that directory's name is not known. */); | |
f67de86f | 2463 | |
29208e82 | 2464 | DEFVAR_LISP ("installation-directory", Vinstallation_directory, |
7db35a48 | 2465 | doc: /* A directory within which to look for the `lib-src' and `etc' directories. |
74cc8ff9 GM |
2466 | In an installed Emacs, this is normally nil. It is non-nil if |
2467 | both `lib-src' (on MS-DOS, `info') and `etc' directories are found | |
1e2c5d95 GM |
2468 | within the variable `invocation-directory' or its parent. For example, |
2469 | this is the case when running an uninstalled Emacs executable from its | |
74cc8ff9 | 2470 | build directory. */); |
07f4d123 | 2471 | Vinstallation_directory = Qnil; |
68c45bf0 | 2472 | |
29208e82 | 2473 | DEFVAR_LISP ("system-messages-locale", Vsystem_messages_locale, |
7db35a48 | 2474 | doc: /* System locale for messages. */); |
ca9c0567 | 2475 | Vsystem_messages_locale = Qnil; |
68c45bf0 | 2476 | |
ca9c0567 | 2477 | DEFVAR_LISP ("previous-system-messages-locale", |
29208e82 | 2478 | Vprevious_system_messages_locale, |
7db35a48 | 2479 | doc: /* Most recently used system locale for messages. */); |
ca9c0567 | 2480 | Vprevious_system_messages_locale = Qnil; |
68c45bf0 | 2481 | |
29208e82 | 2482 | DEFVAR_LISP ("system-time-locale", Vsystem_time_locale, |
7db35a48 | 2483 | doc: /* System locale for time. */); |
ca9c0567 | 2484 | Vsystem_time_locale = Qnil; |
68c45bf0 | 2485 | |
29208e82 | 2486 | DEFVAR_LISP ("previous-system-time-locale", Vprevious_system_time_locale, |
7db35a48 | 2487 | doc: /* Most recently used system locale for time. */); |
ca9c0567 | 2488 | Vprevious_system_time_locale = Qnil; |
90503d96 | 2489 | |
29208e82 | 2490 | DEFVAR_LISP ("before-init-time", Vbefore_init_time, |
90503d96 CY |
2491 | doc: /* Value of `current-time' before Emacs begins initialization. */); |
2492 | Vbefore_init_time = Qnil; | |
2493 | ||
29208e82 | 2494 | DEFVAR_LISP ("after-init-time", Vafter_init_time, |
90503d96 CY |
2495 | doc: /* Value of `current-time' after loading the init files. |
2496 | This is nil during initialization. */); | |
2497 | Vafter_init_time = Qnil; | |
fc012771 | 2498 | |
29208e82 | 2499 | DEFVAR_BOOL ("inhibit-x-resources", inhibit_x_resources, |
9b68317c | 2500 | doc: /* If non-nil, X resources, Windows Registry settings, and NS defaults are not used. */); |
8686ac71 JB |
2501 | inhibit_x_resources = 0; |
2502 | ||
29208e82 | 2503 | DEFVAR_LISP ("emacs-copyright", Vemacs_copyright, |
8c5ff6dd KR |
2504 | doc: /* Short copyright string for this version of Emacs. */); |
2505 | Vemacs_copyright = build_string (emacs_copyright); | |
2506 | ||
29208e82 | 2507 | DEFVAR_LISP ("emacs-version", Vemacs_version, |
8c5ff6dd KR |
2508 | doc: /* Version numbers of this version of Emacs. */); |
2509 | Vemacs_version = build_string (emacs_version); | |
2510 | ||
29208e82 | 2511 | DEFVAR_LISP ("dynamic-library-alist", Vdynamic_library_alist, |
2e288d54 JB |
2512 | doc: /* Alist of dynamic libraries vs external files implementing them. |
2513 | Each element is a list (LIBRARY FILE...), where the car is a symbol | |
2514 | representing a supported external library, and the rest are strings giving | |
2515 | alternate filenames for that library. | |
2516 | ||
2517 | Emacs tries to load the library from the files in the order they appear on | |
2518 | the list; if none is loaded, the running session of Emacs won't have access | |
2519 | to that library. | |
2520 | ||
2521 | Note that image types `pbm' and `xbm' do not need entries in this variable | |
2522 | because they do not depend on external libraries and are always available. | |
2523 | ||
2524 | Also note that this is not a generic facility for accessing external | |
2525 | libraries; only those already known by Emacs will be loaded. */); | |
2526 | Vdynamic_library_alist = Qnil; | |
2527 | Fput (intern_c_string ("dynamic-library-alist"), Qrisky_local_variable, Qt); | |
2528 | ||
fc012771 SM |
2529 | /* Make sure IS_DAEMON starts up as false. */ |
2530 | daemon_pipe[1] = 0; | |
f927c5ae | 2531 | } |