Commit | Line | Data |
---|---|---|
f927c5ae | 1 | /* Fully extensible Emacs, running on Unix, intended for GNU. |
bd6bc222 | 2 | |
ba318903 PE |
3 | Copyright (C) 1985-1987, 1993-1995, 1997-1999, 2001-2014 Free Software |
4 | 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 | 20 | |
00382e8b | 21 | #define INLINE EXTERN_INLINE |
68c45bf0 | 22 | #include <config.h> |
00382e8b | 23 | |
f927c5ae | 24 | #include <errno.h> |
f927c5ae JB |
25 | #include <stdio.h> |
26 | ||
27 | #include <sys/types.h> | |
28 | #include <sys/file.h> | |
cda4a5fd | 29 | #include <unistd.h> |
cda4a5fd | 30 | |
7ccfb720 | 31 | #include <close-stream.h> |
01108e3f | 32 | |
bb9937df | 33 | #define MAIN_PROGRAM |
0898ca10 JB |
34 | #include "lisp.h" |
35 | ||
edd3ff1d JR |
36 | #ifdef WINDOWSNT |
37 | #include <fcntl.h> | |
1d442672 | 38 | #include <sys/socket.h> |
94ae1542 | 39 | #include <mbstring.h> |
52c7f9ee | 40 | #include "w32.h" |
0fda9b75 DC |
41 | #include "w32heap.h" |
42 | #endif | |
43 | ||
a9e7a9d5 | 44 | #if defined WINDOWSNT || defined HAVE_NTGUI |
0fda9b75 DC |
45 | #include "w32select.h" |
46 | #include "w32font.h" | |
1cf1bbd5 | 47 | #include "w32common.h" |
0fda9b75 DC |
48 | #endif |
49 | ||
3fc5e44a | 50 | #if defined CYGWIN |
0fda9b75 | 51 | #include "cygw32.h" |
edd3ff1d JR |
52 | #endif |
53 | ||
b3317662 FP |
54 | #ifdef HAVE_WINDOW_SYSTEM |
55 | #include TERM_HEADER | |
56 | #endif /* HAVE_WINDOW_SYSTEM */ | |
57 | ||
edfda783 AR |
58 | #ifdef NS_IMPL_GNUSTEP |
59 | /* At least under Debian, GSConfig is in a subdirectory. --Stef */ | |
60 | #include <GNUstepBase/GSConfig.h> | |
61 | #endif | |
62 | ||
f927c5ae | 63 | #include "commands.h" |
bef79ee4 | 64 | #include "intervals.h" |
e5560ff7 | 65 | #include "character.h" |
a08a816a | 66 | #include "buffer.h" |
3f6abfd7 | 67 | #include "window.h" |
f927c5ae | 68 | |
edc8ae07 | 69 | #include "systty.h" |
4d7e6e51 | 70 | #include "atimer.h" |
6c3a4e9d | 71 | #include "blockinput.h" |
8090eb09 | 72 | #include "syssignal.h" |
6c362a8b | 73 | #include "process.h" |
428a555e | 74 | #include "frame.h" |
5bda49c6 | 75 | #include "termhooks.h" |
dfcf069d | 76 | #include "keyboard.h" |
e35f6ff7 | 77 | #include "keymap.h" |
00382e8b PE |
78 | #include "category.h" |
79 | #include "charset.h" | |
80 | #include "composite.h" | |
81 | #include "dispextern.h" | |
82 | #include "syntax.h" | |
83 | #include "systime.h" | |
a41f8bed | 84 | |
8af55556 TZ |
85 | #ifdef HAVE_GNUTLS |
86 | #include "gnutls.h" | |
87 | #endif | |
88 | ||
9e4bf381 PE |
89 | #if (defined PROFILING \ |
90 | && (defined __FreeBSD__ || defined GNU_LINUX || defined __MINGW32__)) | |
91 | # include <sys/gmon.h> | |
92 | extern void moncontrol (int mode); | |
93 | #endif | |
94 | ||
68c45bf0 PE |
95 | #ifdef HAVE_SETLOCALE |
96 | #include <locale.h> | |
97 | #endif | |
98 | ||
53c58b5d RS |
99 | #ifdef HAVE_SETRLIMIT |
100 | #include <sys/time.h> | |
101 | #include <sys/resource.h> | |
102 | #endif | |
103 | ||
dede2792 JD |
104 | #ifdef HAVE_PERSONALITY_LINUX32 |
105 | #include <sys/personality.h> | |
106 | #endif | |
107 | ||
16fab143 | 108 | static const char emacs_version[] = VERSION; |
78f83752 | 109 | static const char emacs_copyright[] = COPYRIGHT; |
8c5ff6dd | 110 | |
7e9fa161 JB |
111 | /* Empty lisp strings. To avoid having to build any others. */ |
112 | Lisp_Object empty_unibyte_string, empty_multibyte_string; | |
f9a6326d | 113 | |
aa15c6bb JB |
114 | #ifdef WINDOWSNT |
115 | /* Cache for externally loaded libraries. */ | |
116 | Lisp_Object Vlibrary_cache; | |
117 | #endif | |
118 | ||
1882aa38 PE |
119 | /* Set after Emacs has started up the first time. |
120 | Prevents reinitialization of the Lisp world and keymaps | |
121 | on subsequent starts. */ | |
122 | bool initialized; | |
f927c5ae | 123 | |
4393663b JD |
124 | #ifdef DARWIN_OS |
125 | extern void unexec_init_emacs_zone (void); | |
126 | #endif | |
127 | ||
15aaf1b5 RS |
128 | #ifdef DOUG_LEA_MALLOC |
129 | /* Preserves a pointer to the memory allocated that copies that | |
130 | static data inside glibc's malloc. */ | |
35f08c38 | 131 | static void *malloc_state_ptr; |
15aaf1b5 | 132 | /* From glibc, a routine that returns a copy of the malloc internal state. */ |
dd4c5104 | 133 | extern void *malloc_get_state (void); |
15aaf1b5 | 134 | /* From glibc, a routine that overwrites the malloc internal state. */ |
dd4c5104 | 135 | extern int malloc_set_state (void*); |
1882aa38 | 136 | /* True if the MALLOC_CHECK_ environment variable was set while |
7c9cd446 | 137 | dumping. Used to work around a bug in glibc's malloc. */ |
1882aa38 | 138 | static bool malloc_using_checking; |
8f43ce49 PE |
139 | #elif defined HAVE_PTHREAD && !defined SYSTEM_MALLOC |
140 | extern void malloc_enable_thread (void); | |
15aaf1b5 RS |
141 | #endif |
142 | ||
213d0b1f RS |
143 | Lisp_Object Qfile_name_handler_alist; |
144 | ||
9dc3366b GM |
145 | Lisp_Object Qrisky_local_variable; |
146 | ||
593a5f2e PE |
147 | Lisp_Object Qkill_emacs; |
148 | static Lisp_Object Qkill_emacs_hook; | |
6c07aac2 | 149 | |
1882aa38 | 150 | /* If true, Emacs should not attempt to use a window-specific code, |
7db35a48 | 151 | but instead should use the virtual terminal under which it was started. */ |
1882aa38 | 152 | bool inhibit_window_system; |
f927c5ae | 153 | |
1882aa38 | 154 | /* If true, a filter or a sentinel is running. Tested to save the match |
7db35a48 | 155 | data on the first attempt to change it inside asynchronous code. */ |
1882aa38 | 156 | bool running_asynch_code; |
7074fde6 | 157 | |
5e617bc2 | 158 | #if defined (HAVE_X_WINDOWS) || defined (HAVE_NS) |
1882aa38 PE |
159 | /* If true, -d was specified, meaning we're using some window system. */ |
160 | bool display_arg; | |
f927c5ae JB |
161 | #endif |
162 | ||
163 | /* An address near the bottom of the stack. | |
164 | Tells GC how to save a copy of the stack. */ | |
165 | char *stack_bottom; | |
166 | ||
2949f33b | 167 | #if defined (DOUG_LEA_MALLOC) || defined (GNU_LINUX) |
dede2792 JD |
168 | /* The address where the heap starts (from the first sbrk (0) call). */ |
169 | static void *my_heap_start; | |
2949f33b | 170 | #endif |
dede2792 | 171 | |
b312a492 | 172 | #ifdef GNU_LINUX |
dede2792 | 173 | /* The gap between BSS end and heap start as far as we can tell. */ |
b312a492 PE |
174 | static uprintmax_t heap_bss_diff; |
175 | #endif | |
dede2792 | 176 | |
ce9f00e4 DC |
177 | /* To run as a daemon under Cocoa or Windows, we must do a fork+exec, |
178 | not a simple fork. | |
179 | ||
180 | On Cocoa, CoreFoundation lib fails in forked process: | |
181 | http://developer.apple.com/ReleaseNotes/ | |
182 | CoreFoundation/CoreFoundation.html) | |
183 | ||
184 | On Windows, a Cygwin fork child cannot access the USER subsystem. | |
185 | ||
186 | We mark being in the exec'd process by a daemon name argument of | |
187 | form "--daemon=\nFD0,FD1\nNAME" where FD are the pipe file descriptors, | |
188 | NAME is the original daemon name, if any. */ | |
a9e7a9d5 | 189 | #if defined NS_IMPL_COCOA || (defined HAVE_NTGUI && defined CYGWIN) |
ce9f00e4 DC |
190 | # define DAEMON_MUST_EXEC |
191 | #endif | |
192 | ||
1882aa38 PE |
193 | /* True means running Emacs without interactive terminal. */ |
194 | bool noninteractive; | |
f927c5ae | 195 | |
1882aa38 PE |
196 | /* True means remove site-lisp directories from load-path. */ |
197 | bool no_site_lisp; | |
66b7b0fe | 198 | |
4ff029f6 DN |
199 | /* Name for the server started by the daemon.*/ |
200 | static char *daemon_name; | |
eab2ee89 | 201 | |
5790ef40 DN |
202 | /* Pipe used to send exit notification to the daemon parent at |
203 | startup. */ | |
ff808935 | 204 | int daemon_pipe[2]; |
fc012771 | 205 | |
e29f86e4 RS |
206 | /* Save argv and argc. */ |
207 | char **initial_argv; | |
208 | int initial_argc; | |
081bef73 | 209 | |
dd4c5104 | 210 | static void sort_args (int argc, char **argv); |
35f08c38 | 211 | static void syms_of_emacs (void); |
bd4590ba | 212 | |
29abe551 | 213 | /* C89 needs each string be at most 509 characters, so the usage |
6b61353c | 214 | strings below are split to not overflow this limit. */ |
29abe551 PE |
215 | static char const *const usage_message[] = |
216 | { "\ | |
bd4590ba GM |
217 | \n\ |
218 | Run Emacs, the extensible, customizable, self-documenting real-time\n\ | |
219 | display editor. The recommended way to start Emacs for normal editing\n\ | |
220 | is with no options at all.\n\ | |
221 | \n\ | |
49ca717b | 222 | Run M-x info RET m emacs RET m emacs invocation RET inside Emacs to\n\ |
bd4590ba GM |
223 | read the main documentation for these command-line arguments.\n\ |
224 | \n\ | |
225 | Initialization options:\n\ | |
226 | \n\ | |
29abe551 PE |
227 | ", |
228 | "\ | |
6b61353c | 229 | --batch do not do interactive display; implies -q\n\ |
f63d0028 | 230 | --chdir DIR change to directory DIR\n\ |
598898a7 | 231 | --daemon start a server in the background\n\ |
6b61353c KH |
232 | --debug-init enable Emacs Lisp debugger for init file\n\ |
233 | --display, -d DISPLAY use X server DISPLAY\n\ | |
29abe551 PE |
234 | ", |
235 | "\ | |
6b61353c KH |
236 | --no-desktop do not load a saved desktop\n\ |
237 | --no-init-file, -q load neither ~/.emacs nor default.el\n\ | |
238 | --no-shared-memory, -nl do not use shared memory\n\ | |
239 | --no-site-file do not load site-start.el\n\ | |
66b7b0fe | 240 | --no-site-lisp, -nsl do not add site-lisp directories to load-path\n\ |
6b61353c | 241 | --no-splash do not display a splash screen on startup\n\ |
2ff86b4e | 242 | --no-window-system, -nw do not communicate with X, ignoring $DISPLAY\n\ |
29abe551 PE |
243 | ", |
244 | "\ | |
66b7b0fe GM |
245 | --quick, -Q equivalent to:\n\ |
246 | -q --no-site-file --no-site-lisp --no-splash\n\ | |
6b61353c KH |
247 | --script FILE run FILE as an Emacs Lisp script\n\ |
248 | --terminal, -t DEVICE use DEVICE for terminal I/O\n\ | |
6b61353c | 249 | --user, -u USER load ~USER/.emacs instead of your own\n\ |
29abe551 PE |
250 | \n\ |
251 | ", | |
252 | "\ | |
bd4590ba GM |
253 | Action options:\n\ |
254 | \n\ | |
6b61353c | 255 | FILE visit FILE using find-file\n\ |
9020b223 GM |
256 | +LINE go to line LINE in next FILE\n\ |
257 | +LINE:COLUMN go to line LINE, column COLUMN, in next FILE\n\ | |
6dc6d301 | 258 | --directory, -L DIR prepend DIR to load-path (with :DIR, append DIR)\n\ |
6b61353c KH |
259 | --eval EXPR evaluate Emacs Lisp expression EXPR\n\ |
260 | --execute EXPR evaluate Emacs Lisp expression EXPR\n\ | |
29abe551 PE |
261 | ", |
262 | "\ | |
6b61353c KH |
263 | --file FILE visit FILE using find-file\n\ |
264 | --find-file FILE visit FILE using find-file\n\ | |
265 | --funcall, -f FUNC call Emacs Lisp function FUNC with no arguments\n\ | |
266 | --insert FILE insert contents of FILE into current buffer\n\ | |
267 | --kill exit without asking for confirmation\n\ | |
268 | --load, -l FILE load Emacs Lisp FILE using the load function\n\ | |
269 | --visit FILE visit FILE using find-file\n\ | |
29abe551 PE |
270 | \n\ |
271 | ", | |
272 | "\ | |
5b2ca26b | 273 | Display options:\n\ |
bd4590ba | 274 | \n\ |
6b61353c | 275 | --background-color, -bg COLOR window background color\n\ |
2ff86b4e NR |
276 | --basic-display, -D disable many display features;\n\ |
277 | used for debugging Emacs\n\ | |
6b61353c KH |
278 | --border-color, -bd COLOR main border color\n\ |
279 | --border-width, -bw WIDTH width of main border\n\ | |
29abe551 PE |
280 | ", |
281 | "\ | |
ced74849 | 282 | --color, --color=MODE override color mode for character terminals;\n\ |
62973b41 JB |
283 | MODE defaults to `auto', and\n\ |
284 | can also be `never', `always',\n\ | |
6b61353c KH |
285 | or a mode name like `ansi8'\n\ |
286 | --cursor-color, -cr COLOR color of the Emacs cursor indicating point\n\ | |
287 | --font, -fn FONT default font; must be fixed-width\n\ | |
288 | --foreground-color, -fg COLOR window foreground color\n\ | |
29abe551 PE |
289 | ", |
290 | "\ | |
6b61353c | 291 | --fullheight, -fh make the first frame high as the screen\n\ |
62973b41 | 292 | --fullscreen, -fs make the first frame fullscreen\n\ |
6b61353c | 293 | --fullwidth, -fw make the first frame wide as the screen\n\ |
3f1c6666 | 294 | --maximized, -mm make the first frame maximized\n\ |
6b61353c | 295 | --geometry, -g GEOMETRY window geometry\n\ |
29abe551 PE |
296 | ", |
297 | "\ | |
f9e36a6d | 298 | --no-bitmap-icon, -nbi do not use picture of gnu for Emacs icon\n\ |
6b61353c KH |
299 | --iconic start Emacs in iconified state\n\ |
300 | --internal-border, -ib WIDTH width between text and main border\n\ | |
301 | --line-spacing, -lsp PIXELS additional space to put between lines\n\ | |
302 | --mouse-color, -ms COLOR mouse cursor color in Emacs window\n\ | |
303 | --name NAME title for initial Emacs frame\n\ | |
29abe551 PE |
304 | ", |
305 | "\ | |
49ca717b | 306 | --no-blinking-cursor, -nbc disable blinking cursor\n\ |
6b61353c KH |
307 | --reverse-video, -r, -rv switch foreground and background\n\ |
308 | --title, -T TITLE title for initial Emacs frame\n\ | |
309 | --vertical-scroll-bars, -vb enable vertical scroll bars\n\ | |
310 | --xrm XRESOURCES set additional X resources\n\ | |
1540a61a | 311 | --parent-id XID set parent window\n\ |
6b61353c KH |
312 | --help display this help and exit\n\ |
313 | --version output version information and exit\n\ | |
29abe551 PE |
314 | \n\ |
315 | ", | |
316 | "\ | |
bd4590ba GM |
317 | You can generally also specify long option names with a single -; for\n\ |
318 | example, -batch as well as --batch. You can use any unambiguous\n\ | |
319 | abbreviation for a --option.\n\ | |
320 | \n\ | |
321 | Various environment variables and window system resources also affect\n\ | |
5ec0337a | 322 | the operation of Emacs. See the main documentation.\n\ |
07beadff | 323 | \n\ |
17284745 | 324 | Report bugs to bug-gnu-emacs@gnu.org. First, please see the Bugs\n\ |
bd4590ba | 325 | section of the Emacs manual or the file BUGS.\n" |
29abe551 | 326 | }; |
bd4590ba | 327 | |
f927c5ae | 328 | \f |
1882aa38 PE |
329 | /* True if handling a fatal error already. */ |
330 | bool fatal_error_in_progress; | |
f927c5ae | 331 | |
204ee57f JD |
332 | #ifdef HAVE_NS |
333 | /* NS autrelease pool, for memory management. */ | |
334 | static void *ns_pool; | |
9e4bf381 PE |
335 | #endif |
336 | ||
84575e67 PE |
337 | #if !HAVE_SETLOCALE |
338 | static char * | |
339 | setlocale (int cat, char const *locale) | |
340 | { | |
341 | return 0; | |
342 | } | |
343 | #endif | |
204ee57f | 344 | |
4fab758d | 345 | |
cf29dd84 PE |
346 | /* Report a fatal error due to signal SIG, output a backtrace of at |
347 | most BACKTRACE_LIMIT lines, and exit. */ | |
348 | _Noreturn void | |
4d7e6e51 | 349 | terminate_due_to_signal (int sig, int backtrace_limit) |
cf29dd84 | 350 | { |
62a1d661 | 351 | signal (sig, SIG_DFL); |
4d7e6e51 | 352 | totally_unblock_input (); |
061b7f94 | 353 | |
f927c5ae | 354 | /* If fatal error occurs in code below, avoid infinite recursion. */ |
8090eb09 JB |
355 | if (! fatal_error_in_progress) |
356 | { | |
357 | fatal_error_in_progress = 1; | |
f927c5ae | 358 | |
9c524fcb | 359 | if (sig == SIGTERM || sig == SIGHUP || sig == SIGINT) |
f63d0028 JD |
360 | Fkill_emacs (make_number (sig)); |
361 | ||
1882aa38 | 362 | shut_down_emacs (sig, Qnil); |
cf29dd84 | 363 | emacs_backtrace (backtrace_limit); |
8090eb09 | 364 | } |
f927c5ae | 365 | |
8090eb09 | 366 | /* Signal the same code; this time it will really be fatal. |
4d7e6e51 PE |
367 | Since we're in a signal handler, the signal is blocked, so we |
368 | have to unblock it if we want to really receive it. */ | |
29b89fe0 | 369 | #ifndef MSDOS |
2fe28299 PE |
370 | { |
371 | sigset_t unblocked; | |
372 | sigemptyset (&unblocked); | |
4d7e6e51 | 373 | sigaddset (&unblocked, sig); |
2fe28299 PE |
374 | pthread_sigmask (SIG_UNBLOCK, &unblocked, 0); |
375 | } | |
29b89fe0 | 376 | #endif |
4fab758d | 377 | |
4d7e6e51 | 378 | emacs_raise (sig); |
cf29dd84 PE |
379 | |
380 | /* This shouldn't be executed, but it prevents a warning. */ | |
381 | exit (1); | |
f927c5ae JB |
382 | } |
383 | \f | |
7db35a48 | 384 | /* Code for dealing with Lisp access to the Unix command line. */ |
f927c5ae | 385 | |
dfcf069d | 386 | static void |
a90e5a33 | 387 | init_cmdargs (int argc, char **argv, int skip_args, char *original_pwd) |
f927c5ae JB |
388 | { |
389 | register int i; | |
74f10ca7 | 390 | Lisp_Object name, dir, handler; |
d311d28c | 391 | ptrdiff_t count = SPECPDL_INDEX (); |
213d0b1f | 392 | Lisp_Object raw_name; |
f927c5ae | 393 | |
e29f86e4 RS |
394 | initial_argv = argv; |
395 | initial_argc = argc; | |
396 | ||
080fd649 EZ |
397 | #ifdef WINDOWSNT |
398 | /* Must use argv[0] converted to UTF-8, as it begets many standard | |
399 | file and directory names. */ | |
400 | { | |
401 | char argv0[MAX_UTF8_PATH]; | |
402 | ||
403 | if (filename_from_ansi (argv[0], argv0) == 0) | |
404 | raw_name = build_unibyte_string (argv0); | |
405 | else | |
406 | raw_name = build_unibyte_string (argv[0]); | |
407 | } | |
408 | #else | |
d0065ff1 | 409 | raw_name = build_unibyte_string (argv[0]); |
080fd649 | 410 | #endif |
213d0b1f RS |
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, | |
518c40a2 | 427 | Vexec_suffixes, &found, make_number (X_OK), false); |
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. */ | |
8fd07417 | 443 | { |
d0065ff1 EZ |
444 | Lisp_Object odir = |
445 | original_pwd ? build_unibyte_string (original_pwd) : Qnil; | |
446 | ||
8fd07417 GM |
447 | Vinvocation_directory = Fexpand_file_name (Vinvocation_directory, odir); |
448 | } | |
4133b300 | 449 | |
07f4d123 RS |
450 | Vinstallation_directory = Qnil; |
451 | ||
452 | if (!NILP (Vinvocation_directory)) | |
453 | { | |
454 | dir = Vinvocation_directory; | |
76151e2c EZ |
455 | #ifdef WINDOWSNT |
456 | /* If we are running from the build directory, set DIR to the | |
457 | src subdirectory of the Emacs tree, like on Posix | |
458 | platforms. */ | |
459 | if (SBYTES (dir) > sizeof ("/i386/") - 1 | |
460 | && 0 == strcmp (SSDATA (dir) + SBYTES (dir) - sizeof ("/i386/") + 1, | |
461 | "/i386/")) | |
462 | dir = Fexpand_file_name (build_string ("../.."), dir); | |
463 | #else /* !WINDOWSNT */ | |
464 | #endif | |
07f4d123 RS |
465 | name = Fexpand_file_name (Vinvocation_name, dir); |
466 | while (1) | |
467 | { | |
f5ab9736 | 468 | Lisp_Object tem, lib_src_exists; |
07f4d123 RS |
469 | Lisp_Object etc_exists, info_exists; |
470 | ||
f5ab9736 RS |
471 | /* See if dir contains subdirs for use by Emacs. |
472 | Check for the ones that would exist in a build directory, | |
473 | not including lisp and info. */ | |
474 | tem = Fexpand_file_name (build_string ("lib-src"), dir); | |
475 | lib_src_exists = Ffile_exists_p (tem); | |
de004cc6 | 476 | |
70344b34 | 477 | #ifdef MSDOS |
de004cc6 RS |
478 | /* MSDOS installations frequently remove lib-src, but we still |
479 | must set installation-directory, or else info won't find | |
480 | its files (it uses the value of installation-directory). */ | |
481 | tem = Fexpand_file_name (build_string ("info"), dir); | |
482 | info_exists = Ffile_exists_p (tem); | |
70344b34 EZ |
483 | #else |
484 | info_exists = Qnil; | |
485 | #endif | |
de004cc6 RS |
486 | |
487 | if (!NILP (lib_src_exists) || !NILP (info_exists)) | |
07f4d123 | 488 | { |
f5ab9736 RS |
489 | tem = Fexpand_file_name (build_string ("etc"), dir); |
490 | etc_exists = Ffile_exists_p (tem); | |
491 | if (!NILP (etc_exists)) | |
07f4d123 | 492 | { |
f5ab9736 RS |
493 | Vinstallation_directory |
494 | = Ffile_name_as_directory (dir); | |
495 | break; | |
07f4d123 RS |
496 | } |
497 | } | |
498 | ||
499 | /* See if dir's parent contains those subdirs. */ | |
f5ab9736 RS |
500 | tem = Fexpand_file_name (build_string ("../lib-src"), dir); |
501 | lib_src_exists = Ffile_exists_p (tem); | |
de004cc6 | 502 | |
70344b34 EZ |
503 | |
504 | #ifdef MSDOS | |
505 | /* See the MSDOS commentary above. */ | |
de004cc6 RS |
506 | tem = Fexpand_file_name (build_string ("../info"), dir); |
507 | info_exists = Ffile_exists_p (tem); | |
70344b34 EZ |
508 | #else |
509 | info_exists = Qnil; | |
510 | #endif | |
de004cc6 RS |
511 | |
512 | if (!NILP (lib_src_exists) || !NILP (info_exists)) | |
07f4d123 | 513 | { |
f5ab9736 RS |
514 | tem = Fexpand_file_name (build_string ("../etc"), dir); |
515 | etc_exists = Ffile_exists_p (tem); | |
516 | if (!NILP (etc_exists)) | |
07f4d123 | 517 | { |
f5ab9736 RS |
518 | tem = Fexpand_file_name (build_string (".."), dir); |
519 | Vinstallation_directory | |
520 | = Ffile_name_as_directory (tem); | |
521 | break; | |
07f4d123 RS |
522 | } |
523 | } | |
524 | ||
525 | /* If the Emacs executable is actually a link, | |
526 | next try the dir that the link points into. */ | |
527 | tem = Ffile_symlink_p (name); | |
528 | if (!NILP (tem)) | |
529 | { | |
260ec24d | 530 | name = Fexpand_file_name (tem, dir); |
07f4d123 RS |
531 | dir = Ffile_name_directory (name); |
532 | } | |
533 | else | |
534 | break; | |
535 | } | |
536 | } | |
537 | ||
f927c5ae JB |
538 | Vcommand_line_args = Qnil; |
539 | ||
540 | for (i = argc - 1; i >= 0; i--) | |
541 | { | |
542 | if (i == 0 || i > skip_args) | |
a520393d KH |
543 | /* For the moment, we keep arguments as is in unibyte strings. |
544 | They are decoded in the function command-line after we know | |
545 | locale-coding-system. */ | |
f927c5ae | 546 | Vcommand_line_args |
309f24d1 | 547 | = Fcons (build_unibyte_string (argv[i]), Vcommand_line_args); |
f927c5ae | 548 | } |
213d0b1f RS |
549 | |
550 | unbind_to (count, Qnil); | |
f927c5ae | 551 | } |
59653951 JB |
552 | |
553 | DEFUN ("invocation-name", Finvocation_name, Sinvocation_name, 0, 0, 0, | |
7db35a48 PJ |
554 | doc: /* Return the program name that was used to run Emacs. |
555 | Any directory names are omitted. */) | |
5842a27b | 556 | (void) |
59653951 JB |
557 | { |
558 | return Fcopy_sequence (Vinvocation_name); | |
559 | } | |
560 | ||
ace40a69 | 561 | DEFUN ("invocation-directory", Finvocation_directory, Sinvocation_directory, |
7db35a48 PJ |
562 | 0, 0, 0, |
563 | doc: /* Return the directory name in which the Emacs executable was located. */) | |
5842a27b | 564 | (void) |
ace40a69 RS |
565 | { |
566 | return Fcopy_sequence (Vinvocation_directory); | |
567 | } | |
568 | ||
f927c5ae | 569 | \f |
0269dedb RS |
570 | #ifdef HAVE_TZSET |
571 | /* A valid but unlikely value for the TZ environment value. | |
572 | It is OK (though a bit slower) if the user actually chooses this value. */ | |
5745a7df | 573 | static char const dump_tz[] = "UtC0"; |
0269dedb RS |
574 | #endif |
575 | ||
e2925360 KH |
576 | /* Test whether the next argument in ARGV matches SSTR or a prefix of |
577 | LSTR (at least MINLEN characters). If so, then if VALPTR is non-null | |
578 | (the argument is supposed to have a value) store in *VALPTR either | |
579 | the next argument or the portion of this one after the equal sign. | |
580 | ARGV is read starting at position *SKIPPTR; this index is advanced | |
581 | by the number of arguments used. | |
582 | ||
583 | Too bad we can't just use getopt for all of this, but we don't have | |
584 | enough information to do it right. */ | |
081bef73 | 585 | |
1882aa38 | 586 | static bool |
62973b41 JB |
587 | argmatch (char **argv, int argc, const char *sstr, const char *lstr, |
588 | int minlen, char **valptr, int *skipptr) | |
e2925360 | 589 | { |
6bbd7a29 | 590 | char *p = NULL; |
0b963a93 | 591 | ptrdiff_t arglen; |
df6530f8 RS |
592 | char *arg; |
593 | ||
594 | /* Don't access argv[argc]; give up in advance. */ | |
595 | if (argc <= *skipptr + 1) | |
596 | return 0; | |
597 | ||
598 | arg = argv[*skipptr+1]; | |
e2925360 KH |
599 | if (arg == NULL) |
600 | return 0; | |
601 | if (strcmp (arg, sstr) == 0) | |
602 | { | |
603 | if (valptr != NULL) | |
604 | { | |
605 | *valptr = argv[*skipptr+2]; | |
606 | *skipptr += 2; | |
607 | } | |
608 | else | |
609 | *skipptr += 1; | |
610 | return 1; | |
611 | } | |
8966b757 | 612 | arglen = (valptr != NULL && (p = strchr (arg, '=')) != NULL |
e2925360 | 613 | ? p - arg : strlen (arg)); |
c03e1113 | 614 | if (lstr == 0 || arglen < minlen || strncmp (arg, lstr, arglen) != 0) |
e2925360 KH |
615 | return 0; |
616 | else if (valptr == NULL) | |
617 | { | |
618 | *skipptr += 1; | |
619 | return 1; | |
620 | } | |
621 | else if (p != NULL) | |
622 | { | |
623 | *valptr = p+1; | |
624 | *skipptr += 1; | |
625 | return 1; | |
626 | } | |
627 | else if (argv[*skipptr+2] != NULL) | |
628 | { | |
629 | *valptr = argv[*skipptr+2]; | |
630 | *skipptr += 2; | |
631 | return 1; | |
632 | } | |
633 | else | |
634 | { | |
635 | return 0; | |
636 | } | |
637 | } | |
638 | ||
b6779252 | 639 | #ifdef DOUG_LEA_MALLOC |
f927c5ae | 640 | |
b6779252 KH |
641 | /* malloc can be invoked even before main (e.g. by the dynamic |
642 | linker), so the dumped malloc state must be restored as early as | |
643 | possible using this special hook. */ | |
644 | ||
645 | static void | |
dd4c5104 | 646 | malloc_initialize_hook (void) |
b6779252 | 647 | { |
15aaf1b5 RS |
648 | if (initialized) |
649 | { | |
7c9cd446 AS |
650 | if (!malloc_using_checking) |
651 | /* Work around a bug in glibc's malloc. MALLOC_CHECK_ must be | |
652 | ignored if the heap to be restored was constructed without | |
d942e12a AS |
653 | malloc checking. Can't use unsetenv, since that calls malloc. */ |
654 | { | |
655 | char **p; | |
656 | ||
a57c4026 | 657 | for (p = environ; p && *p; p++) |
d942e12a AS |
658 | if (strncmp (*p, "MALLOC_CHECK_=", 14) == 0) |
659 | { | |
660 | do | |
661 | *p = p[1]; | |
662 | while (*++p); | |
663 | break; | |
664 | } | |
665 | } | |
b6779252 | 666 | |
15aaf1b5 | 667 | malloc_set_state (malloc_state_ptr); |
68db37aa | 668 | #ifndef XMALLOC_OVERRUN_CHECK |
15aaf1b5 | 669 | free (malloc_state_ptr); |
68db37aa | 670 | #endif |
15aaf1b5 | 671 | } |
7c9cd446 | 672 | else |
dede2792 JD |
673 | { |
674 | if (my_heap_start == 0) | |
675 | my_heap_start = sbrk (0); | |
676 | malloc_using_checking = getenv ("MALLOC_CHECK_") != NULL; | |
677 | } | |
b6779252 KH |
678 | } |
679 | ||
698d32e2 | 680 | void (*__malloc_initialize_hook) (void) EXTERNALLY_VISIBLE = malloc_initialize_hook; |
b6779252 KH |
681 | |
682 | #endif /* DOUG_LEA_MALLOC */ | |
683 | ||
7ccfb720 PE |
684 | /* Close standard output and standard error, reporting any write |
685 | errors as best we can. This is intended for use with atexit. */ | |
686 | static void | |
687 | close_output_streams (void) | |
688 | { | |
689 | if (close_stream (stdout) != 0) | |
690 | { | |
4ebbdd67 | 691 | emacs_perror ("Write error to standard output"); |
7ccfb720 PE |
692 | _exit (EXIT_FAILURE); |
693 | } | |
694 | ||
695 | if (close_stream (stderr) != 0) | |
696 | _exit (EXIT_FAILURE); | |
697 | } | |
d883731c | 698 | |
b6779252 KH |
699 | /* ARGSUSED */ |
700 | int | |
7c2fb837 | 701 | main (int argc, char **argv) |
b6779252 | 702 | { |
2313132f | 703 | #if GC_MARK_STACK |
39ec21ea GM |
704 | Lisp_Object dummy; |
705 | #endif | |
b6779252 | 706 | char stack_bottom_variable; |
1882aa38 | 707 | bool do_initial_setlocale; |
4d7e6e51 | 708 | bool dumping; |
b6779252 | 709 | int skip_args = 0; |
b6779252 KH |
710 | #ifdef HAVE_SETRLIMIT |
711 | struct rlimit rlim; | |
712 | #endif | |
1882aa38 | 713 | bool no_loadup = 0; |
6e910e07 | 714 | char *junk = 0; |
4ff029f6 | 715 | char *dname_arg = 0; |
ce9f00e4 | 716 | #ifdef DAEMON_MUST_EXEC |
b3243e6f | 717 | char dname_arg2[80]; |
a9e7a9d5 | 718 | #endif |
f63d0028 | 719 | char *ch_to_dir; |
b6779252 | 720 | |
a90e5a33 PE |
721 | /* If we use --chdir, this records the original directory. */ |
722 | char *original_pwd = 0; | |
723 | ||
2313132f | 724 | #if GC_MARK_STACK |
39ec21ea GM |
725 | stack_base = &dummy; |
726 | #endif | |
727 | ||
4ffea447 | 728 | #ifdef G_SLICE_ALWAYS_MALLOC |
0fe73012 KB |
729 | /* This is used by the Cygwin build. It's not needed starting with |
730 | cygwin-1.7.24, but it doesn't do any harm. */ | |
5745a7df | 731 | xputenv ("G_SLICE=always-malloc"); |
a4ef73c8 CY |
732 | #endif |
733 | ||
b312a492 | 734 | #ifdef GNU_LINUX |
dede2792 JD |
735 | if (!initialized) |
736 | { | |
737 | extern char my_endbss[]; | |
738 | extern char *my_endbss_static; | |
739 | ||
740 | if (my_heap_start == 0) | |
741 | my_heap_start = sbrk (0); | |
742 | ||
743 | heap_bss_diff = (char *)my_heap_start - max (my_endbss, my_endbss_static); | |
744 | } | |
b312a492 | 745 | #endif |
dede2792 | 746 | |
1cf1bbd5 DC |
747 | #if defined WINDOWSNT || defined HAVE_NTGUI |
748 | /* Set global variables used to detect Windows version. Do this as | |
749 | early as possible. (unexw32.c calls this function as well, but | |
750 | the additional call here is harmless.) */ | |
751 | cache_system_info (); | |
5197f0c2 EZ |
752 | #ifdef WINDOWSNT |
753 | /* On Windows 9X, we have to load UNICOWS.DLL as early as possible, | |
754 | to have non-stub implementations of APIs we need to convert file | |
755 | names between UTF-8 and the system's ANSI codepage. */ | |
756 | maybe_load_unicows_dll (); | |
757 | #endif | |
1cf1bbd5 DC |
758 | #endif |
759 | ||
d785cf9e RS |
760 | #ifdef RUN_TIME_REMAP |
761 | if (initialized) | |
762 | run_time_remap (argv[0]); | |
763 | #endif | |
764 | ||
14145fa3 AR |
765 | /* If using unexmacosx.c (set by s/darwin.h), we must do this. */ |
766 | #ifdef DARWIN_OS | |
e0f712ba AC |
767 | if (!initialized) |
768 | unexec_init_emacs_zone (); | |
769 | #endif | |
770 | ||
76abf5e5 PE |
771 | atexit (close_output_streams); |
772 | ||
081bef73 | 773 | sort_args (argc, argv); |
956e3c7e RS |
774 | argc = 0; |
775 | while (argv[argc]) argc++; | |
081bef73 | 776 | |
8c5ff6dd | 777 | if (argmatch (argv, argc, "-version", "--version", 3, NULL, &skip_args)) |
1702afef | 778 | { |
8c5ff6dd KR |
779 | const char *version, *copyright; |
780 | if (initialized) | |
5cf9ca93 | 781 | { |
8c5ff6dd KR |
782 | Lisp_Object tem, tem2; |
783 | tem = Fsymbol_value (intern_c_string ("emacs-version")); | |
784 | tem2 = Fsymbol_value (intern_c_string ("emacs-copyright")); | |
785 | if (!STRINGP (tem)) | |
786 | { | |
787 | fprintf (stderr, "Invalid value of `emacs-version'\n"); | |
788 | exit (1); | |
789 | } | |
790 | if (!STRINGP (tem2)) | |
791 | { | |
792 | fprintf (stderr, "Invalid value of `emacs-copyright'\n"); | |
793 | exit (1); | |
794 | } | |
795 | else | |
796 | { | |
42a5b22f PE |
797 | version = SSDATA (tem); |
798 | copyright = SSDATA (tem2); | |
8c5ff6dd | 799 | } |
5cf9ca93 | 800 | } |
1702afef RS |
801 | else |
802 | { | |
8c5ff6dd KR |
803 | version = emacs_version; |
804 | copyright = emacs_copyright; | |
1702afef | 805 | } |
8c5ff6dd KR |
806 | printf ("GNU Emacs %s\n", version); |
807 | printf ("%s\n", copyright); | |
808 | printf ("GNU Emacs comes with ABSOLUTELY NO WARRANTY.\n"); | |
809 | printf ("You may redistribute copies of Emacs\n"); | |
810 | printf ("under the terms of the GNU General Public License.\n"); | |
811 | printf ("For more information about these matters, "); | |
812 | printf ("see the file named COPYING.\n"); | |
813 | exit (0); | |
1702afef | 814 | } |
947f5e01 JM |
815 | |
816 | if (argmatch (argv, argc, "-chdir", "--chdir", 4, &ch_to_dir, &skip_args)) | |
8fd07417 | 817 | { |
080fd649 EZ |
818 | #ifdef WINDOWSNT |
819 | /* argv[] array is kept in its original ANSI codepage encoding, | |
820 | we need to convert to UTF-8, for chdir to work. */ | |
821 | char newdir[MAX_UTF8_PATH]; | |
822 | ||
823 | filename_from_ansi (ch_to_dir, newdir); | |
824 | ch_to_dir = newdir; | |
825 | #endif | |
8fd07417 | 826 | original_pwd = get_current_dir_name (); |
a90e5a33 | 827 | if (chdir (ch_to_dir) != 0) |
8fd07417 GM |
828 | { |
829 | fprintf (stderr, "%s: Can't chdir to %s: %s\n", | |
830 | argv[0], ch_to_dir, strerror (errno)); | |
831 | exit (1); | |
832 | } | |
833 | } | |
f63d0028 | 834 | |
4d7e6e51 PE |
835 | dumping = !initialized && (strcmp (argv[argc - 1], "dump") == 0 |
836 | || strcmp (argv[argc - 1], "bootstrap") == 0); | |
1702afef | 837 | |
dede2792 | 838 | #ifdef HAVE_PERSONALITY_LINUX32 |
4d7e6e51 | 839 | if (dumping && ! getenv ("EMACS_HEAP_EXEC")) |
dede2792 | 840 | { |
fd75ddb2 | 841 | /* Set this so we only do this once. */ |
5745a7df | 842 | xputenv ("EMACS_HEAP_EXEC=true"); |
711877f3 | 843 | |
fd75ddb2 JD |
844 | /* A flag to turn off address randomization which is introduced |
845 | in linux kernel shipped with fedora core 4 */ | |
711877f3 | 846 | #define ADD_NO_RANDOMIZE 0x0040000 |
fd75ddb2 | 847 | personality (PER_LINUX32 | ADD_NO_RANDOMIZE); |
711877f3 MY |
848 | #undef ADD_NO_RANDOMIZE |
849 | ||
fd75ddb2 | 850 | execvp (argv[0], argv); |
dede2792 | 851 | |
fd75ddb2 | 852 | /* If the exec fails, try to dump anyway. */ |
4ebbdd67 | 853 | emacs_perror (argv[0]); |
dede2792 JD |
854 | } |
855 | #endif /* HAVE_PERSONALITY_LINUX32 */ | |
856 | ||
ea2acec5 | 857 | #if defined (HAVE_SETRLIMIT) && defined (RLIMIT_STACK) |
6c2935e9 RS |
858 | /* Extend the stack space available. |
859 | Don't do that if dumping, since some systems (e.g. DJGPP) | |
860 | might define a smaller stack limit at that time. */ | |
861 | if (1 | |
862 | #ifndef CANNOT_DUMP | |
863 | && (!noninteractive || initialized) | |
864 | #endif | |
865 | && !getrlimit (RLIMIT_STACK, &rlim)) | |
53c58b5d | 866 | { |
509a8fcd | 867 | long newlim; |
fa8459a3 | 868 | extern size_t re_max_failures; |
03effc23 KH |
869 | /* Approximate the amount regex.c needs per unit of re_max_failures. */ |
870 | int ratio = 20 * sizeof (char *); | |
871 | /* Then add 33% to cover the size of the smaller stacks that regex.c | |
872 | successively allocates and discards, on its way to the maximum. */ | |
873 | ratio += ratio / 3; | |
874 | /* Add in some extra to cover | |
875 | what we're likely to use for other reasons. */ | |
876 | newlim = re_max_failures * ratio + 200000; | |
d0381a7f RS |
877 | #ifdef __NetBSD__ |
878 | /* NetBSD (at least NetBSD 1.2G and former) has a bug in its | |
879 | stack allocation routine for new process that the allocation | |
880 | fails if stack limit is not on page boundary. So, round up the | |
881 | new limit to page boundary. */ | |
5e617bc2 | 882 | newlim = (newlim + getpagesize () - 1) / getpagesize () * getpagesize (); |
d0381a7f | 883 | #endif |
509a8fcd | 884 | if (newlim > rlim.rlim_max) |
6c2935e9 RS |
885 | { |
886 | newlim = rlim.rlim_max; | |
03effc23 KH |
887 | /* Don't let regex.c overflow the stack we have. */ |
888 | re_max_failures = (newlim - 200000) / ratio; | |
6c2935e9 | 889 | } |
509a8fcd RS |
890 | if (rlim.rlim_cur < newlim) |
891 | rlim.rlim_cur = newlim; | |
892 | ||
53c58b5d RS |
893 | setrlimit (RLIMIT_STACK, &rlim); |
894 | } | |
ea2acec5 | 895 | #endif /* HAVE_SETRLIMIT and RLIMIT_STACK */ |
53c58b5d | 896 | |
f927c5ae JB |
897 | /* Record (approximately) where the stack begins. */ |
898 | stack_bottom = &stack_bottom_variable; | |
899 | ||
f927c5ae | 900 | clearerr (stdin); |
9ae8f997 | 901 | |
f927c5ae | 902 | #ifndef SYSTEM_MALLOC |
bf7f4e90 RS |
903 | /* Arrange to get warning messages as memory fills up. */ |
904 | memory_warnings (0, malloc_warning); | |
9ac0d9e0 | 905 | |
0caaedb1 | 906 | /* Call malloc at least once, to run malloc_initialize_hook. |
f5a3c8c4 AI |
907 | Also call realloc and free for consistency. */ |
908 | free (realloc (malloc (4), 4)); | |
bf7f4e90 | 909 | |
f927c5ae JB |
910 | #endif /* not SYSTEM_MALLOC */ |
911 | ||
edd3ff1d | 912 | #if defined (MSDOS) || defined (WINDOWSNT) |
29b89fe0 RS |
913 | /* We do all file input/output as binary files. When we need to translate |
914 | newlines, we do that manually. */ | |
915 | _fmode = O_BINARY; | |
edd3ff1d | 916 | #endif /* MSDOS || WINDOWSNT */ |
18198bb2 | 917 | |
edd3ff1d | 918 | #ifdef MSDOS |
18198bb2 RS |
919 | if (!isatty (fileno (stdin))) |
920 | setmode (fileno (stdin), O_BINARY); | |
921 | if (!isatty (fileno (stdout))) | |
922 | { | |
923 | fflush (stdout); | |
924 | setmode (fileno (stdout), O_BINARY); | |
925 | } | |
29b89fe0 RS |
926 | #endif /* MSDOS */ |
927 | ||
68c45bf0 PE |
928 | /* Skip initial setlocale if LC_ALL is "C", as it's not needed in that case. |
929 | The build procedure uses this while dumping, to ensure that the | |
930 | dumped Emacs does not have its system locale tables initialized, | |
931 | as that might cause screwups when the dumped Emacs starts up. */ | |
932 | { | |
933 | char *lc_all = getenv ("LC_ALL"); | |
934 | do_initial_setlocale = ! lc_all || strcmp (lc_all, "C"); | |
935 | } | |
936 | ||
937 | /* Set locale now, so that initial error messages are localized properly. | |
938 | fixup_locale must wait until later, since it builds strings. */ | |
939 | if (do_initial_setlocale) | |
940 | setlocale (LC_ALL, ""); | |
941 | ||
f927c5ae JB |
942 | inhibit_window_system = 0; |
943 | ||
7db35a48 | 944 | /* Handle the -t switch, which specifies filename to use as terminal. */ |
956e3c7e RS |
945 | while (1) |
946 | { | |
947 | char *term; | |
948 | if (argmatch (argv, argc, "-t", "--terminal", 4, &term, &skip_args)) | |
949 | { | |
950 | int result; | |
68c45bf0 PE |
951 | emacs_close (0); |
952 | emacs_close (1); | |
953 | result = emacs_open (term, O_RDWR, 0); | |
067428c1 | 954 | if (result < 0 || fcntl (0, F_DUPFD_CLOEXEC, 1) < 0) |
956e3c7e RS |
955 | { |
956 | char *errstring = strerror (errno); | |
186486eb | 957 | fprintf (stderr, "%s: %s: %s\n", argv[0], term, errstring); |
956e3c7e RS |
958 | exit (1); |
959 | } | |
956e3c7e RS |
960 | if (! isatty (0)) |
961 | { | |
186486eb | 962 | fprintf (stderr, "%s: %s: not a tty\n", argv[0], term); |
956e3c7e RS |
963 | exit (1); |
964 | } | |
965 | fprintf (stderr, "Using %s\n", term); | |
8ba50e1a | 966 | #ifdef HAVE_WINDOW_SYSTEM |
956e3c7e | 967 | inhibit_window_system = 1; /* -t => -nw */ |
f927c5ae | 968 | #endif |
956e3c7e RS |
969 | } |
970 | else | |
971 | break; | |
972 | } | |
973 | ||
400d6fa9 | 974 | /* Command line option --no-windows is deprecated and thus not mentioned |
333f9019 | 975 | in the manual and usage information. */ |
400d6fa9 PJ |
976 | if (argmatch (argv, argc, "-nw", "--no-window-system", 6, NULL, &skip_args) |
977 | || argmatch (argv, argc, "-nw", "--no-windows", 6, NULL, &skip_args)) | |
e2925360 | 978 | inhibit_window_system = 1; |
f927c5ae | 979 | |
e2925360 | 980 | /* Handle the -batch switch, which means don't do interactive display. */ |
f927c5ae | 981 | noninteractive = 0; |
df6530f8 | 982 | if (argmatch (argv, argc, "-batch", "--batch", 5, NULL, &skip_args)) |
55f4edbc RS |
983 | { |
984 | noninteractive = 1; | |
985 | Vundo_outer_limit = Qnil; | |
986 | } | |
6e910e07 RS |
987 | if (argmatch (argv, argc, "-script", "--script", 3, &junk, &skip_args)) |
988 | { | |
989 | noninteractive = 1; /* Set batch mode. */ | |
21a4ff8e | 990 | /* Convert --script to -scriptload, un-skip it, and sort again |
e09b9180 | 991 | so that it will be handled in proper sequence. */ |
a09a5b5b | 992 | /* FIXME broken for --script=FILE - is that supposed to work? */ |
c03cd23f | 993 | argv[skip_args - 1] = (char *) "-scriptload"; |
6e910e07 RS |
994 | skip_args -= 2; |
995 | sort_args (argc, argv); | |
996 | } | |
e2925360 | 997 | |
7db35a48 | 998 | /* Handle the --help option, which gives a usage message. */ |
df6530f8 | 999 | if (argmatch (argv, argc, "-help", "--help", 3, NULL, &skip_args)) |
f927c5ae | 1000 | { |
29abe551 PE |
1001 | int i; |
1002 | printf ("Usage: %s [OPTION-OR-FILENAME]...\n", argv[0]); | |
1003 | for (i = 0; i < sizeof usage_message / sizeof *usage_message; i++) | |
1004 | fputs (usage_message[i], stdout); | |
e2925360 | 1005 | exit (0); |
f927c5ae JB |
1006 | } |
1007 | ||
3cb98721 PE |
1008 | /* Make sure IS_DAEMON starts up as false. */ |
1009 | daemon_pipe[1] = 0; | |
1010 | ||
4ff029f6 DN |
1011 | if (argmatch (argv, argc, "-daemon", "--daemon", 5, NULL, &skip_args) |
1012 | || argmatch (argv, argc, "-daemon", "--daemon", 5, &dname_arg, &skip_args)) | |
eab2ee89 | 1013 | { |
9d29095c | 1014 | #ifndef DOS_NT |
5790ef40 DN |
1015 | pid_t f; |
1016 | ||
1017 | /* Start as a daemon: fork a new child process which will run the | |
1018 | rest of the initialization code, then exit. | |
1019 | ||
fc012771 SM |
1020 | Detaching a daemon requires the following steps: |
1021 | - fork | |
1022 | - setsid | |
1023 | - exit the parent | |
1024 | - close the tty file-descriptors | |
1025 | ||
1026 | We only want to do the last 2 steps once the daemon is ready to | |
1027 | serve requests, i.e. after loading .emacs (initialization). | |
1028 | OTOH initialization may start subprocesses (e.g. ispell) and these | |
1029 | should be run from the proper process (the one that will end up | |
1030 | running as daemon) and with the proper "session id" in order for | |
1031 | them to keep working after detaching, so fork and setsid need to be | |
1032 | performed before initialization. | |
1033 | ||
5790ef40 DN |
1034 | We want to avoid exiting before the server socket is ready, so |
1035 | use a pipe for synchronization. The parent waits for the child | |
1036 | to close its end of the pipe (using `daemon-initialized') | |
1037 | before exiting. */ | |
c7ddc792 | 1038 | if (emacs_pipe (daemon_pipe) != 0) |
5790ef40 DN |
1039 | { |
1040 | fprintf (stderr, "Cannot pipe!\n"); | |
1041 | exit (1); | |
1042 | } | |
1043 | ||
ce9f00e4 | 1044 | #ifndef DAEMON_MUST_EXEC |
8b3115e7 DN |
1045 | #ifdef USE_GTK |
1046 | fprintf (stderr, "\nWarning: due to a long standing Gtk+ bug\nhttp://bugzilla.gnome.org/show_bug.cgi?id=85715\n\ | |
1047 | Emacs might crash when run in daemon mode and the X11 connection is unexpectedly lost.\n\ | |
1048 | Using an Emacs configured with --with-x-toolkit=lucid does not have this problem.\n"); | |
ce9f00e4 | 1049 | #endif /* USE_GTK */ |
5790ef40 | 1050 | f = fork (); |
ce9f00e4 | 1051 | #else /* DAEMON_MUST_EXEC */ |
b3243e6f AR |
1052 | if (!dname_arg || !strchr (dname_arg, '\n')) |
1053 | f = fork (); /* in orig */ | |
1054 | else | |
1055 | f = 0; /* in exec'd */ | |
ce9f00e4 | 1056 | #endif /* !DAEMON_MUST_EXEC */ |
eab2ee89 | 1057 | if (f > 0) |
5790ef40 DN |
1058 | { |
1059 | int retval; | |
1060 | char buf[1]; | |
1061 | ||
1062 | /* Close unused writing end of the pipe. */ | |
bacba3c2 | 1063 | emacs_close (daemon_pipe[1]); |
5790ef40 DN |
1064 | |
1065 | /* Just wait for the child to close its end of the pipe. */ | |
1066 | do | |
1067 | { | |
1068 | retval = read (daemon_pipe[0], &buf, 1); | |
1069 | } | |
1070 | while (retval == -1 && errno == EINTR); | |
1071 | ||
1072 | if (retval < 0) | |
1073 | { | |
1074 | fprintf (stderr, "Error reading status from child\n"); | |
1075 | exit (1); | |
1076 | } | |
fd95644b DN |
1077 | else if (retval == 0) |
1078 | { | |
1079 | fprintf (stderr, "Error: server did not start correctly\n"); | |
1080 | exit (1); | |
1081 | } | |
5790ef40 | 1082 | |
bacba3c2 | 1083 | emacs_close (daemon_pipe[0]); |
5790ef40 DN |
1084 | exit (0); |
1085 | } | |
eab2ee89 DN |
1086 | if (f < 0) |
1087 | { | |
4ebbdd67 PE |
1088 | emacs_perror ("fork"); |
1089 | exit (EXIT_CANCELED); | |
eab2ee89 DN |
1090 | } |
1091 | ||
ce9f00e4 | 1092 | #ifdef DAEMON_MUST_EXEC |
b3243e6f | 1093 | { |
cfa6accb | 1094 | /* In orig process, forked as child, OR in exec'd. */ |
b3243e6f | 1095 | if (!dname_arg || !strchr (dname_arg, '\n')) |
cfa6accb | 1096 | { /* In orig, child: now exec w/special daemon name. */ |
b3243e6f | 1097 | char fdStr[80]; |
66c6fdd5 PE |
1098 | int fdStrlen = |
1099 | snprintf (fdStr, sizeof fdStr, | |
1100 | "--daemon=\n%d,%d\n%s", daemon_pipe[0], | |
1101 | daemon_pipe[1], dname_arg ? dname_arg : ""); | |
b3243e6f | 1102 | |
66c6fdd5 | 1103 | if (! (0 <= fdStrlen && fdStrlen < sizeof fdStr)) |
b3243e6f AR |
1104 | { |
1105 | fprintf (stderr, "daemon: child name too long\n"); | |
4ebbdd67 | 1106 | exit (EXIT_CANNOT_INVOKE); |
b3243e6f AR |
1107 | } |
1108 | ||
b3243e6f AR |
1109 | argv[skip_args] = fdStr; |
1110 | ||
411bf4a4 PE |
1111 | fcntl (daemon_pipe[0], F_SETFD, 0); |
1112 | fcntl (daemon_pipe[1], F_SETFD, 0); | |
5257b701 | 1113 | execvp (argv[0], argv); |
4ebbdd67 | 1114 | emacs_perror (argv[0]); |
29be4a50 | 1115 | exit (errno == ENOENT ? EXIT_ENOENT : EXIT_CANNOT_INVOKE); |
b3243e6f AR |
1116 | } |
1117 | ||
cfa6accb | 1118 | /* In exec'd: parse special dname into pipe and name info. */ |
b3243e6f AR |
1119 | if (!dname_arg || !strchr (dname_arg, '\n') |
1120 | || strlen (dname_arg) < 1 || strlen (dname_arg) > 70) | |
1121 | { | |
1122 | fprintf (stderr, "emacs daemon: daemon name absent or too long\n"); | |
4ebbdd67 | 1123 | exit (EXIT_CANNOT_INVOKE); |
b3243e6f AR |
1124 | } |
1125 | dname_arg2[0] = '\0'; | |
1126 | sscanf (dname_arg, "\n%d,%d\n%s", &(daemon_pipe[0]), &(daemon_pipe[1]), | |
1127 | dname_arg2); | |
0b963a93 | 1128 | dname_arg = *dname_arg2 ? dname_arg2 : NULL; |
45bd2734 | 1129 | fcntl (daemon_pipe[1], F_SETFD, FD_CLOEXEC); |
b3243e6f | 1130 | } |
ce9f00e4 | 1131 | #endif /* DAEMON_MUST_EXEC */ |
b3243e6f | 1132 | |
4ff029f6 DN |
1133 | if (dname_arg) |
1134 | daemon_name = xstrdup (dname_arg); | |
5790ef40 | 1135 | /* Close unused reading end of the pipe. */ |
bacba3c2 | 1136 | emacs_close (daemon_pipe[0]); |
7c19d3ae | 1137 | |
5e617bc2 | 1138 | setsid (); |
eab2ee89 | 1139 | #else /* DOS_NT */ |
9d29095c DN |
1140 | fprintf (stderr, "This platform does not support the -daemon flag.\n"); |
1141 | exit (1); | |
eab2ee89 | 1142 | #endif /* DOS_NT */ |
9d29095c | 1143 | } |
eab2ee89 | 1144 | |
8f43ce49 | 1145 | #if defined HAVE_PTHREAD && !defined SYSTEM_MALLOC && !defined DOUG_LEA_MALLOC |
2c1c974b PE |
1146 | # ifndef CANNOT_DUMP |
1147 | /* Do not make gmalloc thread-safe when creating bootstrap-emacs, as | |
1148 | that causes an infinite recursive loop with FreeBSD. But do make | |
1149 | it thread-safe when creating emacs, otherwise bootstrap-emacs | |
1150 | fails on Cygwin. See Bug#14569. */ | |
1151 | if (!noninteractive || initialized) | |
1152 | # endif | |
1153 | malloc_enable_thread (); | |
322aea6d | 1154 | #endif |
edb85f59 | 1155 | |
4d7e6e51 | 1156 | init_signals (dumping); |
f927c5ae JB |
1157 | |
1158 | noninteractive1 = noninteractive; | |
1159 | ||
cf4bb06d | 1160 | /* Perform basic initializations (not merely interning symbols). */ |
f927c5ae JB |
1161 | |
1162 | if (!initialized) | |
1163 | { | |
1164 | init_alloc_once (); | |
1165 | init_obarray (); | |
1166 | init_eval_once (); | |
270ce821 KH |
1167 | init_charset_once (); |
1168 | init_coding_once (); | |
f927c5ae | 1169 | init_syntax_once (); /* Create standard syntax table. */ |
270ce821 | 1170 | init_category_once (); /* Create standard category table. */ |
cf4bb06d | 1171 | init_casetab_once (); /* Must be done before init_buffer_once. */ |
7db35a48 PJ |
1172 | init_buffer_once (); /* Create buffer table and some buffers. */ |
1173 | init_minibuf_once (); /* Create list of minibuffers. */ | |
1174 | /* Must precede init_window_once. */ | |
1175 | ||
90d920b6 GM |
1176 | /* Call syms_of_xfaces before init_window_once because that |
1177 | function creates Vterminal_frame. Termcap frames now use | |
1178 | faces, and the face implementation uses some symbols as | |
1179 | face names. */ | |
90d920b6 | 1180 | syms_of_xfaces (); |
4ea81208 KL |
1181 | /* XXX syms_of_keyboard uses some symbols in keymap.c. It would |
1182 | be better to arrange things not to have this dependency. */ | |
1183 | syms_of_keymap (); | |
7a18af49 KR |
1184 | /* Call syms_of_keyboard before init_window_once because |
1185 | keyboard sets up symbols that include some face names that | |
1186 | the X support will want to use. This can happen when | |
1187 | CANNOT_DUMP is defined. */ | |
1188 | syms_of_keyboard (); | |
90d920b6 | 1189 | |
985773c9 MB |
1190 | /* Called before syms_of_fileio, because it sets up Qerror_condition. */ |
1191 | syms_of_data (); | |
b7432bb2 | 1192 | syms_of_fns (); /* Before syms_of_charset which uses hashtables. */ |
985773c9 MB |
1193 | syms_of_fileio (); |
1194 | /* Before syms_of_coding to initialize Vgc_cons_threshold. */ | |
1195 | syms_of_alloc (); | |
cf4bb06d DA |
1196 | /* May call Ffuncall and so GC, thus the latter should be initialized. */ |
1197 | init_print_once (); | |
985773c9 MB |
1198 | /* Before syms_of_coding because it initializes Qcharsetp. */ |
1199 | syms_of_charset (); | |
1200 | /* Before init_window_once, because it sets up the | |
1201 | Vcoding_system_hash_table. */ | |
1202 | syms_of_coding (); /* This should be after syms_of_fileio. */ | |
1a578e9b | 1203 | |
7db35a48 | 1204 | init_window_once (); /* Init the window system. */ |
6b61353c | 1205 | #ifdef HAVE_WINDOW_SYSTEM |
b7432bb2 | 1206 | init_fringe_once (); /* Swap bitmaps if necessary. */ |
6b61353c | 1207 | #endif /* HAVE_WINDOW_SYSTEM */ |
f927c5ae JB |
1208 | } |
1209 | ||
1210 | init_alloc (); | |
68c45bf0 PE |
1211 | |
1212 | if (do_initial_setlocale) | |
1213 | { | |
1214 | fixup_locale (); | |
ca9c0567 PE |
1215 | Vsystem_messages_locale = Vprevious_system_messages_locale; |
1216 | Vsystem_time_locale = Vprevious_system_time_locale; | |
68c45bf0 PE |
1217 | } |
1218 | ||
f927c5ae | 1219 | init_eval (); |
ab5d0358 | 1220 | init_atimer (); |
7074fde6 | 1221 | running_asynch_code = 0; |
0e23ef9d | 1222 | init_random (); |
0e956009 | 1223 | |
956e3c7e | 1224 | no_loadup |
b96f9fb7 | 1225 | = argmatch (argv, argc, "-nl", "--no-loadup", 6, NULL, &skip_args); |
956e3c7e | 1226 | |
66b7b0fe GM |
1227 | no_site_lisp |
1228 | = argmatch (argv, argc, "-nsl", "--no-site-lisp", 11, NULL, &skip_args); | |
1229 | ||
edfda783 | 1230 | #ifdef HAVE_NS |
204ee57f | 1231 | ns_pool = ns_alloc_autorelease_pool (); |
40f18bf3 | 1232 | #ifdef NS_IMPL_GNUSTEP |
a6c4680a | 1233 | /* GNUstep stupidly resets our locale settings after we made them. */ |
40f18bf3 JD |
1234 | fixup_locale (); |
1235 | #endif | |
1236 | ||
edfda783 AR |
1237 | if (!noninteractive) |
1238 | { | |
edfda783 | 1239 | #ifdef NS_IMPL_COCOA |
a9f8deec JD |
1240 | /* Started from GUI? */ |
1241 | /* FIXME: Do the right thing if getenv returns NULL, or if | |
1242 | chdir fails. */ | |
1243 | if (! inhibit_window_system && ! isatty (0)) | |
1244 | chdir (getenv ("HOME")); | |
edfda783 AR |
1245 | if (skip_args < argc) |
1246 | { | |
5e617bc2 | 1247 | if (!strncmp (argv[skip_args], "-psn", 4)) |
edfda783 AR |
1248 | { |
1249 | skip_args += 1; | |
3d0a4431 | 1250 | chdir (getenv ("HOME")); |
edfda783 | 1251 | } |
5e617bc2 | 1252 | else if (skip_args+1 < argc && !strncmp (argv[skip_args+1], "-psn", 4)) |
edfda783 | 1253 | { |
95889848 | 1254 | skip_args += 2; |
3d0a4431 | 1255 | chdir (getenv ("HOME")); |
edfda783 AR |
1256 | } |
1257 | } | |
9b68317c | 1258 | #endif /* COCOA */ |
edfda783 AR |
1259 | } |
1260 | #endif /* HAVE_NS */ | |
1261 | ||
956e3c7e RS |
1262 | #ifdef HAVE_X_WINDOWS |
1263 | /* Stupid kludge to catch command-line display spec. We can't | |
1264 | handle this argument entirely in window system dependent code | |
1265 | because we don't even know which window system dependent code | |
1266 | to run until we've recognized this argument. */ | |
1267 | { | |
1268 | char *displayname = 0; | |
956e3c7e RS |
1269 | int count_before = skip_args; |
1270 | ||
1271 | /* Skip any number of -d options, but only use the last one. */ | |
1272 | while (1) | |
1273 | { | |
1274 | int count_before_this = skip_args; | |
1275 | ||
1276 | if (argmatch (argv, argc, "-d", "--display", 3, &displayname, &skip_args)) | |
1277 | display_arg = 1; | |
1278 | else if (argmatch (argv, argc, "-display", 0, 3, &displayname, &skip_args)) | |
1279 | display_arg = 1; | |
1280 | else | |
1281 | break; | |
1282 | ||
1283 | count_before = count_before_this; | |
1284 | } | |
1285 | ||
1286 | /* If we have the form --display=NAME, | |
1287 | convert it into -d name. | |
1288 | This requires inserting a new element into argv. */ | |
0065d054 | 1289 | if (displayname && count_before < skip_args) |
956e3c7e | 1290 | { |
0065d054 PE |
1291 | if (skip_args == count_before + 1) |
1292 | { | |
1293 | memmove (argv + count_before + 3, argv + count_before + 2, | |
1294 | (argc - (count_before + 2)) * sizeof *argv); | |
1295 | argv[count_before + 2] = displayname; | |
1296 | argc++; | |
1297 | } | |
1298 | argv[count_before + 1] = (char *) "-d"; | |
956e3c7e | 1299 | } |
956e3c7e | 1300 | |
66b7b0fe GM |
1301 | if (! no_site_lisp) |
1302 | { | |
1303 | if (argmatch (argv, argc, "-Q", "--quick", 3, NULL, &skip_args) | |
1304 | || argmatch (argv, argc, "-quick", 0, 2, NULL, &skip_args)) | |
1305 | no_site_lisp = 1; | |
1306 | } | |
1307 | ||
956e3c7e RS |
1308 | /* Don't actually discard this arg. */ |
1309 | skip_args = count_before; | |
1310 | } | |
66b7b0fe GM |
1311 | #else /* !HAVE_X_WINDOWS */ |
1312 | if (! no_site_lisp) | |
1313 | { | |
1314 | int count_before = skip_args; | |
1315 | ||
1316 | if (argmatch (argv, argc, "-Q", "--quick", 3, NULL, &skip_args) | |
1317 | || argmatch (argv, argc, "-quick", 0, 2, NULL, &skip_args)) | |
1318 | no_site_lisp = 1; | |
1319 | ||
1320 | skip_args = count_before; | |
1321 | } | |
956e3c7e RS |
1322 | #endif |
1323 | ||
1324 | /* argmatch must not be used after here, | |
91af3942 | 1325 | except when building temacs |
956e3c7e RS |
1326 | because the -d argument has not been skipped in skip_args. */ |
1327 | ||
29b89fe0 RS |
1328 | #ifdef MSDOS |
1329 | /* Call early 'cause init_environment needs it. */ | |
1330 | init_dosfns (); | |
1331 | /* Set defaults for several environment variables. */ | |
18198bb2 RS |
1332 | if (initialized) |
1333 | init_environment (argc, argv, skip_args); | |
1334 | else | |
d1fc6752 | 1335 | tzset (); |
18198bb2 | 1336 | #endif /* MSDOS */ |
29b89fe0 | 1337 | |
90db8702 MA |
1338 | #ifdef HAVE_GFILENOTIFY |
1339 | globals_of_gfilenotify (); | |
1340 | #endif | |
1341 | ||
8ba50e1a | 1342 | #ifdef WINDOWSNT |
9785d95b | 1343 | globals_of_w32 (); |
c9628c79 | 1344 | #ifdef HAVE_W32NOTIFY |
37a4dabe | 1345 | globals_of_w32notify (); |
c9628c79 | 1346 | #endif |
8ba50e1a | 1347 | /* Initialize environment from registry settings. */ |
a3a58294 | 1348 | init_environment (argv); |
16b22fef | 1349 | init_ntproc (dumping); /* must precede init_editfns. */ |
8ba50e1a GV |
1350 | #endif |
1351 | ||
8b4eb796 KR |
1352 | /* Initialize and GC-protect Vinitial_environment and |
1353 | Vprocess_environment before set_initial_environment fills them | |
1354 | in. */ | |
1355 | if (!initialized) | |
1356 | syms_of_callproc (); | |
0e956009 JB |
1357 | /* egetenv is a pretty low-level facility, which may get called in |
1358 | many circumstances; it seems flimsy to put off initializing it | |
738db178 | 1359 | until calling init_callproc. Do not do it when dumping. */ |
4d7e6e51 | 1360 | if (! dumping) |
738db178 DN |
1361 | set_initial_environment (); |
1362 | ||
93aed04d | 1363 | /* AIX crashes are reported in system versions 3.2.3 and 3.2.4 |
5990851d KL |
1364 | if this is not done. Do it after set_global_environment so that we |
1365 | don't pollute Vglobal_environment. */ | |
fa09a82d | 1366 | /* Setting LANG here will defeat the startup locale processing... */ |
f2a77c3a | 1367 | #ifdef AIX |
5745a7df | 1368 | xputenv ("LANG=C"); |
93aed04d | 1369 | #endif |
0e956009 | 1370 | |
7db35a48 | 1371 | init_buffer (); /* Init default directory of main buffer. */ |
ace40a69 | 1372 | |
7928f0b5 | 1373 | init_callproc_1 (); /* Must precede init_cmdargs and init_sys_modes. */ |
a90e5a33 PE |
1374 | |
1375 | /* Must precede init_lread. */ | |
1376 | init_cmdargs (argc, argv, skip_args, original_pwd); | |
380e25b8 RS |
1377 | |
1378 | if (initialized) | |
1379 | { | |
7db35a48 | 1380 | /* Erase any pre-dump messages in the message log, to avoid confusion. */ |
380e25b8 RS |
1381 | Lisp_Object old_log_max; |
1382 | old_log_max = Vmessage_log_max; | |
1383 | XSETFASTINT (Vmessage_log_max, 0); | |
f6fe7bb5 | 1384 | message_dolog ("", 0, 1, 0); |
380e25b8 RS |
1385 | Vmessage_log_max = old_log_max; |
1386 | } | |
1387 | ||
7928f0b5 | 1388 | init_callproc (); /* Must follow init_cmdargs but not init_sys_modes. */ |
9fe43ff6 | 1389 | init_fileio (); |
fb8e9847 | 1390 | init_lread (); |
76151e2c EZ |
1391 | #ifdef WINDOWSNT |
1392 | /* Check to see if Emacs has been installed correctly. */ | |
1393 | check_windows_init_file (); | |
1394 | #endif | |
f927c5ae | 1395 | |
8bb697c0 RS |
1396 | /* Intern the names of all standard functions and variables; |
1397 | define standard keys. */ | |
f927c5ae JB |
1398 | |
1399 | if (!initialized) | |
1400 | { | |
4230ab74 KR |
1401 | /* The basic levels of Lisp must come first. Note that |
1402 | syms_of_data and some others have already been called. */ | |
e37d7195 | 1403 | syms_of_chartab (); |
fb8e9847 | 1404 | syms_of_lread (); |
f927c5ae JB |
1405 | syms_of_print (); |
1406 | syms_of_eval (); | |
f927c5ae | 1407 | syms_of_floatfns (); |
f927c5ae | 1408 | |
f927c5ae JB |
1409 | syms_of_buffer (); |
1410 | syms_of_bytecode (); | |
1411 | syms_of_callint (); | |
1412 | syms_of_casefiddle (); | |
1413 | syms_of_casetab (); | |
270ce821 KH |
1414 | syms_of_category (); |
1415 | syms_of_ccl (); | |
e37d7195 | 1416 | syms_of_character (); |
f927c5ae | 1417 | syms_of_cmds (); |
f927c5ae | 1418 | syms_of_dired (); |
f927c5ae JB |
1419 | syms_of_display (); |
1420 | syms_of_doc (); | |
1421 | syms_of_editfns (); | |
1422 | syms_of_emacs (); | |
f927c5ae | 1423 | syms_of_filelock (); |
f927c5ae | 1424 | syms_of_indent (); |
c2c5ed2c | 1425 | syms_of_insdel (); |
4ea81208 | 1426 | /* syms_of_keymap (); */ |
f927c5ae JB |
1427 | syms_of_macros (); |
1428 | syms_of_marker (); | |
1429 | syms_of_minibuf (); | |
f927c5ae | 1430 | syms_of_process (); |
f927c5ae | 1431 | syms_of_search (); |
1cbd5d9d | 1432 | syms_of_frame (); |
f927c5ae | 1433 | syms_of_syntax (); |
ed8dad6b | 1434 | syms_of_terminal (); |
0d934e7b | 1435 | syms_of_term (); |
f927c5ae | 1436 | syms_of_undo (); |
90d920b6 GM |
1437 | #ifdef HAVE_SOUND |
1438 | syms_of_sound (); | |
1439 | #endif | |
bef79ee4 | 1440 | syms_of_textprop (); |
9d100795 | 1441 | syms_of_composite (); |
05687c54 RS |
1442 | #ifdef WINDOWSNT |
1443 | syms_of_ntproc (); | |
1444 | #endif /* WINDOWSNT */ | |
3fc5e44a | 1445 | #if defined CYGWIN |
0fda9b75 | 1446 | syms_of_cygw32 (); |
a9e7a9d5 | 1447 | #endif |
f927c5ae JB |
1448 | syms_of_window (); |
1449 | syms_of_xdisp (); | |
d53f587b | 1450 | syms_of_font (); |
4fa9161d | 1451 | #ifdef HAVE_WINDOW_SYSTEM |
6b61353c KH |
1452 | syms_of_fringe (); |
1453 | syms_of_image (); | |
1454 | #endif /* HAVE_WINDOW_SYSTEM */ | |
f927c5ae | 1455 | #ifdef HAVE_X_WINDOWS |
72412588 | 1456 | syms_of_xterm (); |
f927c5ae | 1457 | syms_of_xfns (); |
edfda783 | 1458 | syms_of_xmenu (); |
270ce821 | 1459 | syms_of_fontset (); |
637fa988 | 1460 | syms_of_xsettings (); |
28b1b672 JD |
1461 | #ifdef HAVE_X_SM |
1462 | syms_of_xsmfns (); | |
1463 | #endif | |
72412588 JB |
1464 | #ifdef HAVE_X11 |
1465 | syms_of_xselect (); | |
1466 | #endif | |
f927c5ae JB |
1467 | #endif /* HAVE_X_WINDOWS */ |
1468 | ||
381408e2 LMI |
1469 | #ifdef HAVE_LIBXML2 |
1470 | syms_of_xml (); | |
1471 | #endif | |
1472 | ||
313546eb LMI |
1473 | #ifdef HAVE_ZLIB |
1474 | syms_of_decompress (); | |
1475 | #endif | |
1476 | ||
4e77ce60 | 1477 | syms_of_menu (); |
4e77ce60 | 1478 | |
8ba50e1a | 1479 | #ifdef HAVE_NTGUI |
fbd6baed GV |
1480 | syms_of_w32term (); |
1481 | syms_of_w32fns (); | |
fbd6baed | 1482 | syms_of_w32menu (); |
02062ac3 | 1483 | syms_of_fontset (); |
8ba50e1a GV |
1484 | #endif /* HAVE_NTGUI */ |
1485 | ||
a9e7a9d5 | 1486 | #if defined WINDOWSNT || defined HAVE_NTGUI |
0fda9b75 | 1487 | syms_of_w32select (); |
a9e7a9d5 | 1488 | #endif |
0fda9b75 | 1489 | |
40da1153 EZ |
1490 | #ifdef MSDOS |
1491 | syms_of_xmenu (); | |
5e617bc2 JB |
1492 | syms_of_dosfns (); |
1493 | syms_of_msdos (); | |
1494 | syms_of_win16select (); | |
40da1153 EZ |
1495 | #endif /* MSDOS */ |
1496 | ||
edfda783 AR |
1497 | #ifdef HAVE_NS |
1498 | syms_of_nsterm (); | |
1499 | syms_of_nsfns (); | |
1500 | syms_of_nsmenu (); | |
1501 | syms_of_nsselect (); | |
1502 | syms_of_fontset (); | |
1503 | #endif /* HAVE_NS */ | |
1504 | ||
8af55556 TZ |
1505 | #ifdef HAVE_GNUTLS |
1506 | syms_of_gnutls (); | |
1507 | #endif | |
1508 | ||
c9628c79 MA |
1509 | #ifdef HAVE_GFILENOTIFY |
1510 | syms_of_gfilenotify (); | |
1511 | #endif /* HAVE_GFILENOTIFY */ | |
1512 | ||
81606b10 RS |
1513 | #ifdef HAVE_INOTIFY |
1514 | syms_of_inotify (); | |
1515 | #endif /* HAVE_INOTIFY */ | |
1516 | ||
033b73e2 MA |
1517 | #ifdef HAVE_DBUS |
1518 | syms_of_dbusbind (); | |
1519 | #endif /* HAVE_DBUS */ | |
1520 | ||
2e31d424 DN |
1521 | #ifdef WINDOWSNT |
1522 | syms_of_ntterm (); | |
c9628c79 | 1523 | #ifdef HAVE_W32NOTIFY |
477f1e50 | 1524 | syms_of_w32notify (); |
c9628c79 | 1525 | #endif /* HAVE_W32NOTIFY */ |
2e31d424 | 1526 | #endif /* WINDOWSNT */ |
f927c5ae | 1527 | |
c2d7786e TM |
1528 | syms_of_profiler (); |
1529 | ||
f927c5ae JB |
1530 | keys_of_casefiddle (); |
1531 | keys_of_cmds (); | |
1532 | keys_of_buffer (); | |
1533 | keys_of_keyboard (); | |
1534 | keys_of_keymap (); | |
f927c5ae | 1535 | keys_of_window (); |
9785d95b | 1536 | } |
3b6536b1 | 1537 | else |
9785d95b | 1538 | { |
3b6536b1 AS |
1539 | /* Initialization that must be done even if the global variable |
1540 | initialized is non zero. */ | |
9785d95b | 1541 | #ifdef HAVE_NTGUI |
db4f02f2 | 1542 | globals_of_w32font (); |
9785d95b BK |
1543 | globals_of_w32fns (); |
1544 | globals_of_w32menu (); | |
3b6536b1 | 1545 | #endif /* HAVE_NTGUI */ |
0fda9b75 | 1546 | |
a9e7a9d5 | 1547 | #if defined WINDOWSNT || defined HAVE_NTGUI |
0fda9b75 | 1548 | globals_of_w32select (); |
a9e7a9d5 | 1549 | #endif |
f927c5ae JB |
1550 | } |
1551 | ||
cf411e8d KH |
1552 | init_charset (); |
1553 | ||
b82da769 GM |
1554 | init_editfns (); /* init_process_emacs uses Voperating_system_release. */ |
1555 | init_process_emacs (); /* init_display uses add_keyboard_wait_descriptor. */ | |
7db35a48 | 1556 | init_keyboard (); /* This too must precede init_sys_modes. */ |
0a125897 | 1557 | if (!noninteractive) |
7c2fb837 | 1558 | init_display (); /* Determine terminal type. Calls init_sys_modes. */ |
9c099ca7 EZ |
1559 | #if HAVE_W32NOTIFY |
1560 | else | |
1561 | init_crit (); /* w32notify.c needs this in batch mode. */ | |
1562 | #endif /* HAVE_W32NOTIFY */ | |
8bb697c0 | 1563 | init_xdisp (); |
6b61353c KH |
1564 | #ifdef HAVE_WINDOW_SYSTEM |
1565 | init_fringe (); | |
6b61353c | 1566 | #endif /* HAVE_WINDOW_SYSTEM */ |
8bb697c0 | 1567 | init_macros (); |
75816372 | 1568 | init_window (); |
74d75424 | 1569 | init_font (); |
087fc47a | 1570 | |
f927c5ae JB |
1571 | if (!initialized) |
1572 | { | |
e2925360 | 1573 | char *file; |
7db35a48 | 1574 | /* Handle -l loadup, args passed by Makefile. */ |
df6530f8 | 1575 | if (argmatch (argv, argc, "-l", "--load", 3, &file, &skip_args)) |
080fd649 EZ |
1576 | { |
1577 | #ifdef WINDOWSNT | |
1578 | char file_utf8[MAX_UTF8_PATH]; | |
1579 | ||
1580 | if (filename_from_ansi (file, file_utf8) == 0) | |
1581 | file = file_utf8; | |
1582 | #endif | |
1583 | Vtop_level = list2 (intern_c_string ("load"), | |
1584 | build_unibyte_string (file)); | |
1585 | } | |
f927c5ae | 1586 | /* Unless next switch is -nl, load "loadup.el" first thing. */ |
956e3c7e | 1587 | if (! no_loadup) |
6c6f1994 PE |
1588 | Vtop_level = list2 (intern_c_string ("load"), |
1589 | build_string ("loadup.el")); | |
f927c5ae JB |
1590 | } |
1591 | ||
93572b43 KH |
1592 | if (initialized) |
1593 | { | |
0269dedb RS |
1594 | #ifdef HAVE_TZSET |
1595 | { | |
1596 | /* If the execution TZ happens to be the same as the dump TZ, | |
1597 | change it to some other value and then change it back, | |
1598 | to force the underlying implementation to reload the TZ info. | |
1599 | This is needed on implementations that load TZ info from files, | |
1600 | since the TZ file contents may differ between dump and execution. */ | |
1601 | char *tz = getenv ("TZ"); | |
1602 | if (tz && !strcmp (tz, dump_tz)) | |
1603 | { | |
1604 | ++*tz; | |
1605 | tzset (); | |
1606 | --*tz; | |
1607 | } | |
1608 | } | |
1609 | #endif | |
93572b43 KH |
1610 | } |
1611 | ||
ecf783fa EZ |
1612 | /* Set up for profiling. This is known to work on FreeBSD, |
1613 | GNU/Linux and MinGW. It might work on some other systems too. | |
1614 | Give it a try and tell us if it works on your system. To compile | |
7b3a82d7 | 1615 | for profiling, use the configure option --enable-profiling. */ |
5e617bc2 | 1616 | #if defined (__FreeBSD__) || defined (GNU_LINUX) || defined (__MINGW32__) |
e610ea43 RS |
1617 | #ifdef PROFILING |
1618 | if (initialized) | |
1619 | { | |
ecf783fa EZ |
1620 | #ifdef __MINGW32__ |
1621 | extern unsigned char etext asm ("etext"); | |
1622 | #else | |
e610ea43 | 1623 | extern char etext; |
ecf783fa | 1624 | #endif |
67a5596f | 1625 | |
e610ea43 | 1626 | atexit (_mcleanup); |
9e4bf381 | 1627 | monstartup ((uintptr_t) __executable_start, (uintptr_t) &etext); |
e610ea43 RS |
1628 | } |
1629 | else | |
1630 | moncontrol (0); | |
1631 | #endif | |
1632 | #endif | |
1633 | ||
f927c5ae JB |
1634 | initialized = 1; |
1635 | ||
e7536cff RS |
1636 | #ifdef LOCALTIME_CACHE |
1637 | /* Some versions of localtime have a bug. They cache the value of the time | |
279cc2b8 JB |
1638 | zone rather than looking it up every time. Since localtime() is |
1639 | called to bolt the undumping time into the undumped emacs, this | |
afe9fae9 | 1640 | results in localtime ignoring the TZ environment variable. |
7db35a48 | 1641 | This flushes the new TZ value into localtime. */ |
afe9fae9 | 1642 | tzset (); |
e7536cff | 1643 | #endif /* defined (LOCALTIME_CACHE) */ |
279cc2b8 | 1644 | |
f927c5ae JB |
1645 | /* Enter editor command loop. This never returns. */ |
1646 | Frecursive_edit (); | |
1647 | /* NOTREACHED */ | |
6bbd7a29 | 1648 | return 0; |
f927c5ae JB |
1649 | } |
1650 | \f | |
081bef73 RS |
1651 | /* Sort the args so we can find the most important ones |
1652 | at the beginning of argv. */ | |
1653 | ||
1654 | /* First, here's a table of all the standard options. */ | |
1655 | ||
1656 | struct standard_args | |
1657 | { | |
5e2327cf DN |
1658 | const char *name; |
1659 | const char *longname; | |
081bef73 RS |
1660 | int priority; |
1661 | int nargs; | |
1662 | }; | |
1663 | ||
35f08c38 | 1664 | static const struct standard_args standard_args[] = |
081bef73 | 1665 | { |
05922407 | 1666 | { "-version", "--version", 150, 0 }, |
f63d0028 | 1667 | { "-chdir", "--chdir", 130, 1 }, |
05922407 | 1668 | { "-t", "--terminal", 120, 1 }, |
400d6fa9 | 1669 | { "-nw", "--no-window-system", 110, 0 }, |
05922407 RS |
1670 | { "-nw", "--no-windows", 110, 0 }, |
1671 | { "-batch", "--batch", 100, 0 }, | |
6e910e07 | 1672 | { "-script", "--script", 100, 1 }, |
eab2ee89 | 1673 | { "-daemon", "--daemon", 99, 0 }, |
05922407 | 1674 | { "-help", "--help", 90, 0 }, |
956e3c7e | 1675 | { "-nl", "--no-loadup", 70, 0 }, |
66b7b0fe | 1676 | { "-nsl", "--no-site-lisp", 65, 0 }, |
956e3c7e RS |
1677 | /* -d must come last before the options handled in startup.el. */ |
1678 | { "-d", "--display", 60, 1 }, | |
1679 | { "-display", 0, 60, 1 }, | |
4fe22cdf | 1680 | /* Now for the options handled in `command-line' (startup.el). */ |
66b7b0fe | 1681 | /* (Note that to imply -nsl, -Q is partially handled here.) */ |
a1716a57 RS |
1682 | { "-Q", "--quick", 55, 0 }, |
1683 | { "-quick", 0, 55, 0 }, | |
081bef73 RS |
1684 | { "-q", "--no-init-file", 50, 0 }, |
1685 | { "-no-init-file", 0, 50, 0 }, | |
1686 | { "-no-site-file", "--no-site-file", 40, 0 }, | |
1687 | { "-u", "--user", 30, 1 }, | |
1688 | { "-user", 0, 30, 1 }, | |
1689 | { "-debug-init", "--debug-init", 20, 0 }, | |
f2bc3538 | 1690 | { "-iconic", "--iconic", 15, 0 }, |
a1716a57 | 1691 | { "-D", "--basic-display", 12, 0}, |
e09b9180 | 1692 | { "-basic-display", 0, 12, 0}, |
4fe22cdf CY |
1693 | { "-nbc", "--no-blinking-cursor", 12, 0 }, |
1694 | /* Now for the options handled in `command-line-1' (startup.el). */ | |
1695 | { "-nbi", "--no-bitmap-icon", 10, 0 }, | |
081bef73 RS |
1696 | { "-bg", "--background-color", 10, 1 }, |
1697 | { "-background", 0, 10, 1 }, | |
1698 | { "-fg", "--foreground-color", 10, 1 }, | |
1699 | { "-foreground", 0, 10, 1 }, | |
1700 | { "-bd", "--border-color", 10, 1 }, | |
1701 | { "-bw", "--border-width", 10, 1 }, | |
1702 | { "-ib", "--internal-border", 10, 1 }, | |
1703 | { "-ms", "--mouse-color", 10, 1 }, | |
1704 | { "-cr", "--cursor-color", 10, 1 }, | |
1705 | { "-fn", "--font", 10, 1 }, | |
1706 | { "-font", 0, 10, 1 }, | |
94452530 EZ |
1707 | { "-fs", "--fullscreen", 10, 0 }, |
1708 | { "-fw", "--fullwidth", 10, 0 }, | |
1709 | { "-fh", "--fullheight", 10, 0 }, | |
3f1c6666 | 1710 | { "-mm", "--maximized", 10, 0 }, |
081bef73 RS |
1711 | { "-g", "--geometry", 10, 1 }, |
1712 | { "-geometry", 0, 10, 1 }, | |
1713 | { "-T", "--title", 10, 1 }, | |
ae63ae52 | 1714 | { "-title", 0, 10, 1 }, |
081bef73 RS |
1715 | { "-name", "--name", 10, 1 }, |
1716 | { "-xrm", "--xrm", 10, 1 }, | |
1540a61a | 1717 | { "-parent-id", "--parent-id", 10, 1 }, |
fcdeb5d9 RS |
1718 | { "-r", "--reverse-video", 5, 0 }, |
1719 | { "-rv", 0, 5, 0 }, | |
1720 | { "-reverse", 0, 5, 0 }, | |
ae63ae52 | 1721 | { "-hb", "--horizontal-scroll-bars", 5, 0 }, |
fcdeb5d9 | 1722 | { "-vb", "--vertical-scroll-bars", 5, 0 }, |
d20e1b1e | 1723 | { "-color", "--color", 5, 0}, |
16706228 JL |
1724 | { "-no-splash", "--no-splash", 3, 0 }, |
1725 | { "-no-desktop", "--no-desktop", 3, 0 }, | |
edfda783 AR |
1726 | #ifdef HAVE_NS |
1727 | { "-NSAutoLaunch", 0, 5, 1 }, | |
1728 | { "-NXAutoLaunch", 0, 5, 1 }, | |
edfda783 AR |
1729 | { "-_NSMachLaunch", 0, 85, 1 }, |
1730 | { "-MachLaunch", 0, 85, 1 }, | |
1731 | { "-macosx", 0, 85, 0 }, | |
1732 | { "-NSHost", 0, 85, 1 }, | |
1733 | #endif | |
fcdeb5d9 RS |
1734 | /* These have the same priority as ordinary file name args, |
1735 | so they are not reordered with respect to those. */ | |
4af9e0b3 RS |
1736 | { "-L", "--directory", 0, 1 }, |
1737 | { "-directory", 0, 0, 1 }, | |
fcdeb5d9 RS |
1738 | { "-l", "--load", 0, 1 }, |
1739 | { "-load", 0, 0, 1 }, | |
21a4ff8e GM |
1740 | /* This has no longname, because using --scriptload confuses sort_args, |
1741 | because then the --script long option seems to match twice; ie | |
1742 | you can't have a long option which is a prefix of another long | |
1743 | option. In any case, this is entirely an internal option. */ | |
1744 | { "-scriptload", NULL, 0, 1 }, | |
fcdeb5d9 RS |
1745 | { "-f", "--funcall", 0, 1 }, |
1746 | { "-funcall", 0, 0, 1 }, | |
575985b1 | 1747 | { "-eval", "--eval", 0, 1 }, |
67a5596f | 1748 | { "-execute", "--execute", 0, 1 }, |
2e13f8e9 RS |
1749 | { "-find-file", "--find-file", 0, 1 }, |
1750 | { "-visit", "--visit", 0, 1 }, | |
67a5596f | 1751 | { "-file", "--file", 0, 1 }, |
fcdeb5d9 | 1752 | { "-insert", "--insert", 0, 1 }, |
edfda783 AR |
1753 | #ifdef HAVE_NS |
1754 | { "-NXOpen", 0, 0, 1 }, | |
1755 | { "-NXOpenTemp", 0, 0, 1 }, | |
1756 | { "-NSOpen", 0, 0, 1 }, | |
1757 | { "-NSOpenTemp", 0, 0, 1 }, | |
1758 | { "-GSFilePath", 0, 0, 1 }, | |
1759 | #endif | |
f2bc3538 | 1760 | /* This should be processed after ordinary file name args and the like. */ |
fcdeb5d9 | 1761 | { "-kill", "--kill", -10, 0 }, |
081bef73 RS |
1762 | }; |
1763 | ||
1764 | /* Reorder the elements of ARGV (assumed to have ARGC elements) | |
1765 | so that the highest priority ones come first. | |
1766 | Do not change the order of elements of equal priority. | |
956e3c7e RS |
1767 | If an option takes an argument, keep it and its argument together. |
1768 | ||
1769 | If an option that takes no argument appears more | |
1770 | than once, eliminate all but one copy of it. */ | |
081bef73 RS |
1771 | |
1772 | static void | |
dd4c5104 | 1773 | sort_args (int argc, char **argv) |
081bef73 | 1774 | { |
38182d90 | 1775 | char **new = xmalloc (argc * sizeof *new); |
081bef73 RS |
1776 | /* For each element of argv, |
1777 | the corresponding element of options is: | |
1778 | 0 for an option that takes no arguments, | |
1779 | 1 for an option that takes one argument, etc. | |
1780 | -1 for an ordinary non-option argument. */ | |
0065d054 PE |
1781 | int *options = xnmalloc (argc, sizeof *options); |
1782 | int *priority = xnmalloc (argc, sizeof *priority); | |
081bef73 | 1783 | int to = 1; |
956e3c7e | 1784 | int incoming_used = 1; |
081bef73 RS |
1785 | int from; |
1786 | int i; | |
1787 | ||
1788 | /* Categorize all the options, | |
1789 | and figure out which argv elts are option arguments. */ | |
1790 | for (from = 1; from < argc; from++) | |
1791 | { | |
1792 | options[from] = -1; | |
fcdeb5d9 | 1793 | priority[from] = 0; |
081bef73 RS |
1794 | if (argv[from][0] == '-') |
1795 | { | |
0b963a93 | 1796 | int match; |
081bef73 | 1797 | |
c96f26f4 RS |
1798 | /* If we have found "--", don't consider |
1799 | any more arguments as options. */ | |
249443b6 | 1800 | if (argv[from][1] == '-' && argv[from][2] == 0) |
c96f26f4 RS |
1801 | { |
1802 | /* Leave the "--", and everything following it, at the end. */ | |
1803 | for (; from < argc; from++) | |
1804 | { | |
1805 | priority[from] = -100; | |
1806 | options[from] = -1; | |
1807 | } | |
1808 | break; | |
1809 | } | |
1810 | ||
081bef73 RS |
1811 | /* Look for a match with a known old-fashioned option. */ |
1812 | for (i = 0; i < sizeof (standard_args) / sizeof (standard_args[0]); i++) | |
1813 | if (!strcmp (argv[from], standard_args[i].name)) | |
1814 | { | |
1815 | options[from] = standard_args[i].nargs; | |
1816 | priority[from] = standard_args[i].priority; | |
fd76ec52 RS |
1817 | if (from + standard_args[i].nargs >= argc) |
1818 | fatal ("Option `%s' requires an argument\n", argv[from]); | |
081bef73 RS |
1819 | from += standard_args[i].nargs; |
1820 | goto done; | |
1821 | } | |
1822 | ||
1823 | /* Look for a match with a known long option. | |
1824 | MATCH is -1 if no match so far, -2 if two or more matches so far, | |
1825 | >= 0 (the table index of the match) if just one match so far. */ | |
1826 | if (argv[from][1] == '-') | |
1827 | { | |
0b963a93 PE |
1828 | char const *equals = strchr (argv[from], '='); |
1829 | ptrdiff_t thislen = | |
1830 | equals ? equals - argv[from] : strlen (argv[from]); | |
1831 | ||
081bef73 | 1832 | match = -1; |
081bef73 | 1833 | |
f609ef57 KH |
1834 | for (i = 0; |
1835 | i < sizeof (standard_args) / sizeof (standard_args[0]); i++) | |
1836 | if (standard_args[i].longname | |
1837 | && !strncmp (argv[from], standard_args[i].longname, | |
1838 | thislen)) | |
081bef73 RS |
1839 | { |
1840 | if (match == -1) | |
1841 | match = i; | |
1842 | else | |
1843 | match = -2; | |
1844 | } | |
1845 | ||
1846 | /* If we found exactly one match, use that. */ | |
1847 | if (match >= 0) | |
1848 | { | |
1849 | options[from] = standard_args[match].nargs; | |
1850 | priority[from] = standard_args[match].priority; | |
1851 | /* If --OPTION=VALUE syntax is used, | |
1852 | this option uses just one argv element. */ | |
1853 | if (equals != 0) | |
1854 | options[from] = 0; | |
fd76ec52 RS |
1855 | if (from + options[from] >= argc) |
1856 | fatal ("Option `%s' requires an argument\n", argv[from]); | |
081bef73 RS |
1857 | from += options[from]; |
1858 | } | |
a09a5b5b GM |
1859 | /* FIXME When match < 0, shouldn't there be some error, |
1860 | or at least indication to the user that there was a | |
1861 | problem? */ | |
081bef73 RS |
1862 | } |
1863 | done: ; | |
1864 | } | |
1865 | } | |
1866 | ||
1867 | /* Copy the arguments, in order of decreasing priority, to NEW. */ | |
1868 | new[0] = argv[0]; | |
956e3c7e | 1869 | while (incoming_used < argc) |
081bef73 RS |
1870 | { |
1871 | int best = -1; | |
2c70c992 | 1872 | int best_priority = -9999; |
081bef73 RS |
1873 | |
1874 | /* Find the highest priority remaining option. | |
1875 | If several have equal priority, take the first of them. */ | |
1876 | for (from = 1; from < argc; from++) | |
1877 | { | |
1878 | if (argv[from] != 0 && priority[from] > best_priority) | |
1879 | { | |
1880 | best_priority = priority[from]; | |
1881 | best = from; | |
1882 | } | |
1883 | /* Skip option arguments--they are tied to the options. */ | |
1884 | if (options[from] > 0) | |
1885 | from += options[from]; | |
1886 | } | |
7db35a48 | 1887 | |
081bef73 | 1888 | if (best < 0) |
1088b922 | 1889 | emacs_abort (); |
081bef73 | 1890 | |
956e3c7e RS |
1891 | /* Copy the highest priority remaining option, with its args, to NEW. |
1892 | Unless it is a duplicate of the previous one. */ | |
1893 | if (! (options[best] == 0 | |
1894 | && ! strcmp (new[to - 1], argv[best]))) | |
1895 | { | |
1896 | new[to++] = argv[best]; | |
1897 | for (i = 0; i < options[best]; i++) | |
1898 | new[to++] = argv[best + i + 1]; | |
1899 | } | |
1900 | ||
1901 | incoming_used += 1 + (options[best] > 0 ? options[best] : 0); | |
081bef73 RS |
1902 | |
1903 | /* Clear out this option in ARGV. */ | |
1904 | argv[best] = 0; | |
1905 | for (i = 0; i < options[best]; i++) | |
1906 | argv[best + i + 1] = 0; | |
1907 | } | |
1908 | ||
81b7af72 RS |
1909 | /* If duplicate options were deleted, fill up extra space with null ptrs. */ |
1910 | while (to < argc) | |
1911 | new[to++] = 0; | |
1912 | ||
72af86bd | 1913 | memcpy (argv, new, sizeof (char *) * argc); |
0bf591da | 1914 | |
68db37aa KS |
1915 | xfree (options); |
1916 | xfree (new); | |
1917 | xfree (priority); | |
081bef73 RS |
1918 | } |
1919 | \f | |
a7ca3326 | 1920 | DEFUN ("kill-emacs", Fkill_emacs, Skill_emacs, 0, 1, "P", |
7db35a48 PJ |
1921 | doc: /* Exit the Emacs job and kill it. |
1922 | If ARG is an integer, return ARG as the exit program code. | |
b224de9b | 1923 | If ARG is a string, stuff it as keyboard input. |
7db35a48 | 1924 | |
9c524fcb | 1925 | This function is called upon receipt of the signals SIGTERM |
383ebd15 | 1926 | or SIGHUP, and upon SIGINT in batch mode. |
9c524fcb | 1927 | |
7db35a48 PJ |
1928 | The value of `kill-emacs-hook', if not void, |
1929 | is a list of functions (of no args), | |
1930 | all of which are called before Emacs is actually killed. */) | |
5842a27b | 1931 | (Lisp_Object arg) |
f927c5ae | 1932 | { |
f927c5ae | 1933 | struct gcpro gcpro1; |
8eca8a7c | 1934 | int exit_code; |
f927c5ae JB |
1935 | |
1936 | GCPRO1 (arg); | |
1937 | ||
1938 | if (feof (stdin)) | |
1939 | arg = Qt; | |
1940 | ||
73c14218 CY |
1941 | /* Fsignal calls emacs_abort () if it sees that waiting_for_input is |
1942 | set. */ | |
1943 | waiting_for_input = 0; | |
1944 | Frun_hooks (1, &Qkill_emacs_hook); | |
f927c5ae JB |
1945 | UNGCPRO; |
1946 | ||
1dd3c2d9 CY |
1947 | #ifdef HAVE_X_WINDOWS |
1948 | /* Transfer any clipboards we own to the clipboard manager. */ | |
1949 | x_clipboard_manager_save_all (); | |
1950 | #endif | |
1951 | ||
1882aa38 | 1952 | shut_down_emacs (0, STRINGP (arg) ? arg : Qnil); |
40be253a | 1953 | |
204ee57f JD |
1954 | #ifdef HAVE_NS |
1955 | ns_release_autorelease_pool (ns_pool); | |
1956 | #endif | |
1957 | ||
58545838 KH |
1958 | /* If we have an auto-save list file, |
1959 | kill it because we are exiting Emacs deliberately (not crashing). | |
1960 | Do it after shut_down_emacs, which does an auto-save. */ | |
1961 | if (STRINGP (Vauto_save_list_file_name)) | |
24827db9 JB |
1962 | { |
1963 | Lisp_Object listfile; | |
1964 | listfile = Fexpand_file_name (Vauto_save_list_file_name, Qnil); | |
1965 | unlink (SSDATA (listfile)); | |
1966 | } | |
58545838 | 1967 | |
5895d7b9 PE |
1968 | if (INTEGERP (arg)) |
1969 | exit_code = (XINT (arg) < 0 | |
1970 | ? XINT (arg) | INT_MIN | |
1971 | : XINT (arg) & INT_MAX); | |
d311d28c | 1972 | else |
5895d7b9 PE |
1973 | exit_code = EXIT_SUCCESS; |
1974 | exit (exit_code); | |
f927c5ae | 1975 | } |
40be253a JB |
1976 | |
1977 | ||
1978 | /* Perform an orderly shutdown of Emacs. Autosave any modified | |
1979 | buffers, kill any child processes, clean up the terminal modes (if | |
1980 | we're in the foreground), and other stuff like that. Don't perform | |
1981 | any redisplay; this may be called when Emacs is shutting down in | |
1982 | the background, or after its X connection has died. | |
1983 | ||
1984 | If SIG is a signal number, print a message for it. | |
1985 | ||
1986 | This is called by fatal signal handlers, X protocol error handlers, | |
1987 | and Fkill_emacs. */ | |
f7ab4e3d | 1988 | |
40be253a | 1989 | void |
1882aa38 | 1990 | shut_down_emacs (int sig, Lisp_Object stuff) |
40be253a | 1991 | { |
829d872b RS |
1992 | /* Prevent running of hooks from now on. */ |
1993 | Vrun_hooks = Qnil; | |
1994 | ||
9db03f6c KS |
1995 | /* Don't update display from now on. */ |
1996 | Vinhibit_redisplay = Qt; | |
1997 | ||
7db35a48 | 1998 | /* If we are controlling the terminal, reset terminal modes. */ |
a7ebc409 | 1999 | #ifndef DOS_NT |
40be253a | 2000 | { |
dd0333b6 | 2001 | pid_t pgrp = getpgrp (); |
69deda53 | 2002 | pid_t tpgrp = tcgetpgrp (0); |
12e610e8 | 2003 | if ((tpgrp != -1) && tpgrp == pgrp) |
40be253a | 2004 | { |
28d440ab | 2005 | reset_all_sys_modes (); |
40be253a | 2006 | if (sig && sig != SIGTERM) |
01108e3f | 2007 | { |
703342f8 PE |
2008 | static char const format[] = "Fatal error %d: "; |
2009 | char buf[sizeof format - 2 + INT_STRLEN_BOUND (int)]; | |
2010 | int buflen = sprintf (buf, format, sig); | |
aa1ba90e | 2011 | char const *sig_desc = safe_strsignal (sig); |
4ebbdd67 PE |
2012 | emacs_write (STDERR_FILENO, buf, buflen); |
2013 | emacs_write (STDERR_FILENO, sig_desc, strlen (sig_desc)); | |
01108e3f | 2014 | } |
40be253a JB |
2015 | } |
2016 | } | |
2017 | #else | |
2018 | fflush (stdout); | |
0a125897 | 2019 | reset_all_sys_modes (); |
40be253a JB |
2020 | #endif |
2021 | ||
f7ab4e3d RS |
2022 | stuff_buffered_input (stuff); |
2023 | ||
92d835a4 | 2024 | inhibit_sentinels = 1; |
40be253a JB |
2025 | kill_buffer_processes (Qnil); |
2026 | Fdo_auto_save (Qt, Qnil); | |
2027 | ||
2028 | #ifdef CLASH_DETECTION | |
2029 | unlock_all_files (); | |
2030 | #endif | |
2031 | ||
40be253a JB |
2032 | /* There is a tendency for a SIGIO signal to arrive within exit, |
2033 | and cause a SIGHUP because the input descriptor is already closed. */ | |
2034 | unrequest_sigio (); | |
4a4bbad2 | 2035 | ignore_sigio (); |
41f339d4 | 2036 | |
cd8d4168 GM |
2037 | /* Do this only if terminating normally, we want glyph matrices |
2038 | etc. in a core dump. */ | |
200f868e | 2039 | if (sig == 0 || sig == SIGTERM) |
cd8d4168 GM |
2040 | { |
2041 | check_glyph_memory (); | |
2042 | check_message_stack (); | |
2043 | } | |
90d920b6 | 2044 | |
d546e578 EZ |
2045 | #ifdef MSDOS |
2046 | dos_cleanup (); | |
2047 | #endif | |
edfda783 AR |
2048 | |
2049 | #ifdef HAVE_NS | |
2050 | ns_term_shutdown (sig); | |
2051 | #endif | |
fcb901a7 LMI |
2052 | |
2053 | #ifdef HAVE_LIBXML2 | |
9078ead6 | 2054 | xml_cleanup_parser (); |
fcb901a7 | 2055 | #endif |
f0e5f225 EZ |
2056 | |
2057 | #ifdef WINDOWSNT | |
2058 | term_ntproc (0); | |
2059 | #endif | |
40be253a JB |
2060 | } |
2061 | ||
2062 | ||
f927c5ae JB |
2063 | \f |
2064 | #ifndef CANNOT_DUMP | |
f927c5ae | 2065 | |
ce701a33 | 2066 | #include "unexec.h" |
dd5ecd6b | 2067 | |
f927c5ae | 2068 | DEFUN ("dump-emacs", Fdump_emacs, Sdump_emacs, 2, 2, 0, |
7db35a48 PJ |
2069 | doc: /* Dump current state of Emacs into executable file FILENAME. |
2070 | Take symbols from SYMFILE (presumably the file you executed to run Emacs). | |
2071 | This is used in the file `loadup.el' when building Emacs. | |
2072 | ||
2073 | You must run Emacs in batch mode in order to dump it. */) | |
5842a27b | 2074 | (Lisp_Object filename, Lisp_Object symfile) |
f927c5ae | 2075 | { |
f927c5ae | 2076 | Lisp_Object tem; |
1b7ddf4f | 2077 | Lisp_Object symbol; |
d311d28c | 2078 | ptrdiff_t count = SPECPDL_INDEX (); |
4fab758d GM |
2079 | |
2080 | check_pure_size (); | |
f927c5ae | 2081 | |
87a98b1a RS |
2082 | if (! noninteractive) |
2083 | error ("Dumping Emacs works only in batch mode"); | |
2084 | ||
848a925e | 2085 | #ifdef GNU_LINUX |
c339dc2e PE |
2086 | |
2087 | /* Warn if the gap between BSS end and heap start is larger than this. */ | |
2088 | # define MAX_HEAP_BSS_DIFF (1024*1024) | |
2089 | ||
dede2792 JD |
2090 | if (heap_bss_diff > MAX_HEAP_BSS_DIFF) |
2091 | { | |
2092 | fprintf (stderr, "**************************************************\n"); | |
2093 | fprintf (stderr, "Warning: Your system has a gap between BSS and the\n"); | |
b312a492 | 2094 | fprintf (stderr, "heap (%"pMu" bytes). This usually means that exec-shield\n", |
c37caf9d JD |
2095 | heap_bss_diff); |
2096 | fprintf (stderr, "or something similar is in effect. The dump may\n"); | |
e79beb56 | 2097 | fprintf (stderr, "fail because of this. See the section about\n"); |
c37caf9d | 2098 | fprintf (stderr, "exec-shield in etc/PROBLEMS for more information.\n"); |
dede2792 JD |
2099 | fprintf (stderr, "**************************************************\n"); |
2100 | } | |
848a925e | 2101 | #endif /* GNU_LINUX */ |
dede2792 | 2102 | |
1b7ddf4f RS |
2103 | /* Bind `command-line-processed' to nil before dumping, |
2104 | so that the dumped Emacs will process its command line | |
2105 | and set up to work with X windows if appropriate. */ | |
4aaa3607 | 2106 | symbol = intern ("command-line-processed"); |
1b7ddf4f RS |
2107 | specbind (symbol, Qnil); |
2108 | ||
b7826503 | 2109 | CHECK_STRING (filename); |
c9aae259 | 2110 | filename = Fexpand_file_name (filename, Qnil); |
c556b44b | 2111 | filename = ENCODE_FILE (filename); |
c9aae259 | 2112 | if (!NILP (symfile)) |
f927c5ae | 2113 | { |
b7826503 | 2114 | CHECK_STRING (symfile); |
d5db4077 | 2115 | if (SCHARS (symfile)) |
c556b44b EZ |
2116 | { |
2117 | symfile = Fexpand_file_name (symfile, Qnil); | |
2118 | symfile = ENCODE_FILE (symfile); | |
2119 | } | |
f927c5ae JB |
2120 | } |
2121 | ||
2122 | tem = Vpurify_flag; | |
2123 | Vpurify_flag = Qnil; | |
2124 | ||
0269dedb RS |
2125 | #ifdef HAVE_TZSET |
2126 | set_time_zone_rule (dump_tz); | |
2127 | #ifndef LOCALTIME_CACHE | |
2128 | /* Force a tz reload, since set_time_zone_rule doesn't. */ | |
2129 | tzset (); | |
2130 | #endif | |
2131 | #endif | |
2132 | ||
f927c5ae | 2133 | fflush (stdout); |
7db35a48 | 2134 | /* Tell malloc where start of impure now is. */ |
f927c5ae JB |
2135 | /* Also arrange for warnings when nearly out of space. */ |
2136 | #ifndef SYSTEM_MALLOC | |
cc5f52cb RS |
2137 | #ifndef WINDOWSNT |
2138 | /* On Windows, this was done before dumping, and that once suffices. | |
2139 | Meanwhile, my_edata is not valid on Windows. */ | |
c339dc2e PE |
2140 | { |
2141 | extern char my_edata[]; | |
2142 | memory_warnings (my_edata, malloc_warning); | |
2143 | } | |
cc5f52cb | 2144 | #endif /* not WINDOWSNT */ |
dd5ecd6b | 2145 | #endif /* not SYSTEM_MALLOC */ |
15aaf1b5 RS |
2146 | #ifdef DOUG_LEA_MALLOC |
2147 | malloc_state_ptr = malloc_get_state (); | |
f927c5ae | 2148 | #endif |
2b7377ca | 2149 | |
a74c5ec1 | 2150 | #ifdef USE_MMAP_FOR_BUFFERS |
2b7377ca GM |
2151 | mmap_set_vars (0); |
2152 | #endif | |
42a5b22f | 2153 | unexec (SSDATA (filename), !NILP (symfile) ? SSDATA (symfile) : 0); |
a74c5ec1 | 2154 | #ifdef USE_MMAP_FOR_BUFFERS |
2b7377ca GM |
2155 | mmap_set_vars (1); |
2156 | #endif | |
15aaf1b5 RS |
2157 | #ifdef DOUG_LEA_MALLOC |
2158 | free (malloc_state_ptr); | |
2159 | #endif | |
f927c5ae | 2160 | |
aa15c6bb JB |
2161 | #ifdef WINDOWSNT |
2162 | Vlibrary_cache = Qnil; | |
2163 | #endif | |
2164 | #ifdef HAVE_WINDOW_SYSTEM | |
2165 | reset_image_types (); | |
2166 | #endif | |
2167 | ||
f927c5ae JB |
2168 | Vpurify_flag = tem; |
2169 | ||
1b7ddf4f | 2170 | return unbind_to (count, Qnil); |
f927c5ae JB |
2171 | } |
2172 | ||
f927c5ae JB |
2173 | #endif /* not CANNOT_DUMP */ |
2174 | \f | |
68c45bf0 PE |
2175 | #if HAVE_SETLOCALE |
2176 | /* Recover from setlocale (LC_ALL, ""). */ | |
2177 | void | |
d5a3eaaf | 2178 | fixup_locale (void) |
68c45bf0 | 2179 | { |
68c45bf0 PE |
2180 | /* The Emacs Lisp reader needs LC_NUMERIC to be "C", |
2181 | so that numbers are read and printed properly for Emacs Lisp. */ | |
2182 | setlocale (LC_NUMERIC, "C"); | |
68c45bf0 PE |
2183 | } |
2184 | ||
0c8559bb PE |
2185 | /* Set system locale CATEGORY, with previous locale *PLOCALE, to |
2186 | DESIRED_LOCALE. */ | |
68c45bf0 | 2187 | static void |
dd4c5104 | 2188 | synchronize_locale (int category, Lisp_Object *plocale, Lisp_Object desired_locale) |
68c45bf0 | 2189 | { |
0c8559bb PE |
2190 | if (! EQ (*plocale, desired_locale)) |
2191 | { | |
2192 | *plocale = desired_locale; | |
2193 | setlocale (category, (STRINGP (desired_locale) | |
51b59d79 | 2194 | ? SSDATA (desired_locale) |
0c8559bb PE |
2195 | : "")); |
2196 | } | |
68c45bf0 PE |
2197 | } |
2198 | ||
ca9c0567 | 2199 | /* Set system time locale to match Vsystem_time_locale, if possible. */ |
68c45bf0 | 2200 | void |
d5a3eaaf | 2201 | synchronize_system_time_locale (void) |
68c45bf0 | 2202 | { |
ca9c0567 PE |
2203 | synchronize_locale (LC_TIME, &Vprevious_system_time_locale, |
2204 | Vsystem_time_locale); | |
68c45bf0 PE |
2205 | } |
2206 | ||
ca9c0567 PE |
2207 | /* Set system messages locale to match Vsystem_messages_locale, if |
2208 | possible. */ | |
68c45bf0 | 2209 | void |
d5a3eaaf | 2210 | synchronize_system_messages_locale (void) |
68c45bf0 PE |
2211 | { |
2212 | #ifdef LC_MESSAGES | |
ca9c0567 PE |
2213 | synchronize_locale (LC_MESSAGES, &Vprevious_system_messages_locale, |
2214 | Vsystem_messages_locale); | |
68c45bf0 PE |
2215 | #endif |
2216 | } | |
2217 | #endif /* HAVE_SETLOCALE */ | |
2218 | \f | |
f927c5ae JB |
2219 | |
2220 | Lisp_Object | |
17e0445b | 2221 | decode_env_path (const char *evarname, const char *defalt, bool empty) |
f927c5ae | 2222 | { |
a8fe7202 | 2223 | const char *path, *p; |
213d0b1f | 2224 | Lisp_Object lpath, element, tem; |
17e0445b GM |
2225 | /* Default is to use "." for empty path elements. |
2226 | But if argument EMPTY is true, use nil instead. */ | |
2227 | Lisp_Object empty_element = empty ? Qnil : build_string ("."); | |
76151e2c | 2228 | #ifdef WINDOWSNT |
1882aa38 | 2229 | bool defaulted = 0; |
76151e2c EZ |
2230 | static const char *emacs_dir_env = "%emacs_dir%/"; |
2231 | const size_t emacs_dir_len = strlen (emacs_dir_env); | |
1fd201bb EZ |
2232 | const char *edir = egetenv ("emacs_dir"); |
2233 | char emacs_dir[MAX_UTF8_PATH]; | |
2234 | ||
2235 | /* egetenv looks in process-environment, which holds the variables | |
2236 | in their original system-locale encoding. We need emacs_dir to | |
2237 | be in UTF-8. */ | |
e088f894 EZ |
2238 | if (edir) |
2239 | filename_from_ansi (edir, emacs_dir); | |
76151e2c | 2240 | #endif |
f927c5ae | 2241 | |
2447c626 JB |
2242 | /* It's okay to use getenv here, because this function is only used |
2243 | to initialize variables when Emacs starts up, and isn't called | |
2244 | after that. */ | |
e065a56e | 2245 | if (evarname != 0) |
a8fe7202 | 2246 | path = getenv (evarname); |
e065a56e JB |
2247 | else |
2248 | path = 0; | |
f927c5ae | 2249 | if (!path) |
76151e2c EZ |
2250 | { |
2251 | path = defalt; | |
8671676c | 2252 | #ifdef WINDOWSNT |
76151e2c | 2253 | defaulted = 1; |
8671676c | 2254 | #endif |
76151e2c | 2255 | } |
6a30e6d6 RS |
2256 | #ifdef DOS_NT |
2257 | /* Ensure values from the environment use the proper directory separator. */ | |
2258 | if (path) | |
2259 | { | |
1fd201bb EZ |
2260 | char *path_copy; |
2261 | ||
2262 | #ifdef WINDOWSNT | |
94ae1542 EZ |
2263 | char *path_utf8, *q, *d; |
2264 | int cnv_result; | |
2265 | ||
2266 | /* Convert each element of PATH to UTF-8. */ | |
2267 | p = path_copy = alloca (strlen (path) + 1); | |
2268 | strcpy (path_copy, path); | |
2269 | d = path_utf8 = alloca (4 * strlen (path) + 1); | |
2270 | *d = '\0'; | |
2271 | do { | |
2272 | q = _mbschr (p, SEPCHAR); | |
2273 | if (q) | |
2274 | *q = '\0'; | |
2275 | cnv_result = filename_from_ansi (p, d); | |
2276 | if (q) | |
2277 | { | |
2278 | *q++ = SEPCHAR; | |
2279 | p = q; | |
2280 | /* If conversion of this PATH elements fails, make sure | |
2281 | destination pointer will stay put, thus effectively | |
2282 | ignoring the offending element. */ | |
2283 | if (cnv_result == 0) | |
2284 | { | |
2285 | d += strlen (d); | |
2286 | *d++ = SEPCHAR; | |
2287 | } | |
2288 | } | |
2289 | else if (cnv_result != 0 && d > path_utf8) | |
2290 | d[-1] = '\0'; /* remove last semi-colon and null-terminate PATH */ | |
2291 | } while (q); | |
2292 | path_copy = path_utf8; | |
1fd201bb EZ |
2293 | #else /* MSDOS */ |
2294 | path_copy = alloca (strlen (path) + 1); | |
a8fe7202 | 2295 | strcpy (path_copy, path); |
1fd201bb EZ |
2296 | #endif |
2297 | dostounix_filename (path_copy); | |
a8fe7202 | 2298 | path = path_copy; |
6a30e6d6 RS |
2299 | } |
2300 | #endif | |
f927c5ae JB |
2301 | lpath = Qnil; |
2302 | while (1) | |
2303 | { | |
8966b757 | 2304 | p = strchr (path, SEPCHAR); |
a8fe7202 AS |
2305 | if (!p) |
2306 | p = path + strlen (path); | |
d0065ff1 | 2307 | element = (p - path ? make_unibyte_string (path, p - path) |
17e0445b GM |
2308 | : empty_element); |
2309 | if (! NILP (element)) | |
2310 | { | |
76151e2c | 2311 | #ifdef WINDOWSNT |
17e0445b GM |
2312 | /* Relative file names in the default path are interpreted as |
2313 | being relative to $emacs_dir. */ | |
e088f894 | 2314 | if (edir && defaulted |
17e0445b GM |
2315 | && strncmp (path, emacs_dir_env, emacs_dir_len) == 0) |
2316 | element = Fexpand_file_name (Fsubstring | |
2317 | (element, | |
2318 | make_number (emacs_dir_len), | |
2319 | Qnil), | |
2320 | build_unibyte_string (emacs_dir)); | |
2321 | #endif | |
2322 | ||
2323 | /* Add /: to the front of the name | |
2324 | if it would otherwise be treated as magic. */ | |
2325 | tem = Ffind_file_name_handler (element, Qt); | |
2326 | ||
2327 | /* However, if the handler says "I'm safe", | |
2328 | don't bother adding /:. */ | |
2329 | if (SYMBOLP (tem)) | |
2330 | { | |
2331 | Lisp_Object prop; | |
2332 | prop = Fget (tem, intern ("safe-magic")); | |
2333 | if (! NILP (prop)) | |
2334 | tem = Qnil; | |
2335 | } | |
ca3df2d5 | 2336 | |
17e0445b GM |
2337 | if (! NILP (tem)) |
2338 | element = concat2 (build_string ("/:"), element); | |
2339 | } /* !NILP (element) */ | |
213d0b1f RS |
2340 | |
2341 | lpath = Fcons (element, lpath); | |
f927c5ae JB |
2342 | if (*p) |
2343 | path = p + 1; | |
2344 | else | |
2345 | break; | |
2346 | } | |
2347 | return Fnreverse (lpath); | |
2348 | } | |
2349 | ||
eab2ee89 | 2350 | DEFUN ("daemonp", Fdaemonp, Sdaemonp, 0, 0, 0, |
4ff029f6 DN |
2351 | doc: /* Return non-nil if the current emacs process is a daemon. |
2352 | If the daemon was given a name argument, return that name. */) | |
5842a27b | 2353 | (void) |
eab2ee89 | 2354 | { |
fc012771 | 2355 | if (IS_DAEMON) |
4ff029f6 DN |
2356 | if (daemon_name) |
2357 | return build_string (daemon_name); | |
2358 | else | |
2359 | return Qt; | |
2360 | else | |
2361 | return Qnil; | |
eab2ee89 DN |
2362 | } |
2363 | ||
5790ef40 | 2364 | DEFUN ("daemon-initialized", Fdaemon_initialized, Sdaemon_initialized, 0, 0, 0, |
fc012771 SM |
2365 | doc: /* Mark the Emacs daemon as being initialized. |
2366 | This finishes the daemonization process by doing the other half of detaching | |
2367 | from the parent process and its tty file descriptors. */) | |
5842a27b | 2368 | (void) |
5790ef40 DN |
2369 | { |
2370 | int nfd; | |
1882aa38 | 2371 | bool err = 0; |
5790ef40 | 2372 | |
fc012771 | 2373 | if (!IS_DAEMON) |
5790ef40 DN |
2374 | error ("This function can only be called if emacs is run as a daemon"); |
2375 | ||
2376 | if (daemon_pipe[1] < 0) | |
2377 | error ("The daemon has already been initialized"); | |
2378 | ||
2379 | if (NILP (Vafter_init_time)) | |
2380 | error ("This function can only be called after loading the init files"); | |
2381 | ||
2382 | /* Get rid of stdin, stdout and stderr. */ | |
406af475 | 2383 | nfd = emacs_open ("/dev/null", O_RDWR, 0); |
dc1ca6a8 PE |
2384 | err |= nfd < 0; |
2385 | err |= dup2 (nfd, 0) < 0; | |
2386 | err |= dup2 (nfd, 1) < 0; | |
2387 | err |= dup2 (nfd, 2) < 0; | |
bacba3c2 | 2388 | err |= emacs_close (nfd) != 0; |
5790ef40 | 2389 | |
fc012771 SM |
2390 | /* Closing the pipe will notify the parent that it can exit. |
2391 | FIXME: In case some other process inherited the pipe, closing it here | |
2392 | won't notify the parent because it's still open elsewhere, so we | |
2393 | additionally send a byte, just to make sure the parent really exits. | |
2394 | Instead, we should probably close the pipe in start-process and | |
2395 | call-process to make sure the pipe is never inherited by | |
2396 | subprocesses. */ | |
dc1ca6a8 | 2397 | err |= write (daemon_pipe[1], "\n", 1) < 0; |
bacba3c2 | 2398 | err |= emacs_close (daemon_pipe[1]) != 0; |
5790ef40 DN |
2399 | /* Set it to an invalid value so we know we've already run this function. */ |
2400 | daemon_pipe[1] = -1; | |
dc1ca6a8 PE |
2401 | |
2402 | if (err) | |
2403 | error ("I/O error during daemon initialization"); | |
5790ef40 DN |
2404 | return Qt; |
2405 | } | |
2406 | ||
dfcf069d | 2407 | void |
d5a3eaaf | 2408 | syms_of_emacs (void) |
f927c5ae | 2409 | { |
cd3520a4 JB |
2410 | DEFSYM (Qfile_name_handler_alist, "file-name-handler-alist"); |
2411 | DEFSYM (Qrisky_local_variable, "risky-local-variable"); | |
6c07aac2 | 2412 | DEFSYM (Qkill_emacs, "kill-emacs"); |
73c14218 | 2413 | DEFSYM (Qkill_emacs_hook, "kill-emacs-hook"); |
213d0b1f | 2414 | |
83591e66 | 2415 | #ifndef CANNOT_DUMP |
f927c5ae JB |
2416 | defsubr (&Sdump_emacs); |
2417 | #endif | |
2418 | ||
2419 | defsubr (&Skill_emacs); | |
2420 | ||
59653951 | 2421 | defsubr (&Sinvocation_name); |
ace40a69 | 2422 | defsubr (&Sinvocation_directory); |
eab2ee89 | 2423 | defsubr (&Sdaemonp); |
5790ef40 | 2424 | defsubr (&Sdaemon_initialized); |
59653951 | 2425 | |
29208e82 | 2426 | DEFVAR_LISP ("command-line-args", Vcommand_line_args, |
2a9d2ed6 RS |
2427 | doc: /* Args passed by shell to Emacs, as a list of strings. |
2428 | Many arguments are deleted from the list as they are processed. */); | |
f927c5ae | 2429 | |
29208e82 | 2430 | DEFVAR_LISP ("system-type", Vsystem_type, |
cf59a374 | 2431 | doc: /* The value is a symbol indicating the type of operating system you are using. |
40a8993a | 2432 | Special values: |
cf59a374 GM |
2433 | `gnu' compiled for a GNU Hurd system. |
2434 | `gnu/linux' compiled for a GNU/Linux system. | |
2435 | `gnu/kfreebsd' compiled for a GNU system with a FreeBSD kernel. | |
2436 | `darwin' compiled for Darwin (GNU-Darwin, Mac OS X, ...). | |
2437 | `ms-dos' compiled as an MS-DOS application. | |
2438 | `windows-nt' compiled as a native W32 application. | |
2439 | `cygwin' compiled using the Cygwin library. | |
bd6bc222 GM |
2440 | Anything else (in Emacs 24.1, the possibilities are: aix, berkeley-unix, |
2441 | hpux, irix, usg-unix-v) indicates some sort of Unix system. */); | |
d67b4f80 | 2442 | Vsystem_type = intern_c_string (SYSTEM_TYPE); |
6edd2f3d | 2443 | /* See configure.ac (and config.nt) for the possible SYSTEM_TYPEs. */ |
f927c5ae | 2444 | |
29208e82 | 2445 | DEFVAR_LISP ("system-configuration", Vsystem_configuration, |
7db35a48 PJ |
2446 | doc: /* Value is string indicating configuration Emacs was built for. |
2447 | On MS-Windows, the value reflects the OS flavor and version on which | |
2448 | Emacs is running. */); | |
f7511647 | 2449 | Vsystem_configuration = build_string (EMACS_CONFIGURATION); |
271c7b7c | 2450 | |
29208e82 | 2451 | DEFVAR_LISP ("system-configuration-options", Vsystem_configuration_options, |
7db35a48 | 2452 | doc: /* String containing the configuration options Emacs was built with. */); |
f0fc0b1a KH |
2453 | Vsystem_configuration_options = build_string (EMACS_CONFIG_OPTIONS); |
2454 | ||
29208e82 | 2455 | DEFVAR_BOOL ("noninteractive", noninteractive1, |
7db35a48 | 2456 | doc: /* Non-nil means Emacs is running without interactive terminal. */); |
e5d77022 | 2457 | |
29208e82 | 2458 | DEFVAR_LISP ("kill-emacs-hook", Vkill_emacs_hook, |
e5d9c0d1 | 2459 | doc: /* Hook run when `kill-emacs' is called. |
d77b70e5 | 2460 | Since `kill-emacs' may be invoked when the terminal is disconnected (or |
7db35a48 PJ |
2461 | in other similar situations), functions placed on this hook should not |
2462 | expect to be able to interact with the user. To ask for confirmation, | |
d77b70e5 MR |
2463 | see `kill-emacs-query-functions' instead. |
2464 | ||
9c524fcb GM |
2465 | Before Emacs 24.1, the hook was not run in batch mode, i.e., if |
2466 | `noninteractive' was non-nil. */); | |
edc8ae07 | 2467 | Vkill_emacs_hook = Qnil; |
3005da00 | 2468 | |
29208e82 | 2469 | DEFVAR_LISP ("path-separator", Vpath_separator, |
c7ed3276 EZ |
2470 | doc: /* String containing the character that separates directories in |
2471 | search paths, such as PATH and other similar environment variables. */); | |
074a066b GV |
2472 | { |
2473 | char c = SEPCHAR; | |
2474 | Vpath_separator = make_string (&c, 1); | |
2475 | } | |
59653951 | 2476 | |
29208e82 | 2477 | DEFVAR_LISP ("invocation-name", Vinvocation_name, |
7db35a48 PJ |
2478 | doc: /* The program name that was used to run Emacs. |
2479 | Any directory names are omitted. */); | |
f67de86f | 2480 | |
29208e82 | 2481 | DEFVAR_LISP ("invocation-directory", Vinvocation_directory, |
7db35a48 PJ |
2482 | doc: /* The directory in which the Emacs executable was found, to run it. |
2483 | The value is nil if that directory's name is not known. */); | |
f67de86f | 2484 | |
29208e82 | 2485 | DEFVAR_LISP ("installation-directory", Vinstallation_directory, |
7db35a48 | 2486 | doc: /* A directory within which to look for the `lib-src' and `etc' directories. |
74cc8ff9 GM |
2487 | In an installed Emacs, this is normally nil. It is non-nil if |
2488 | both `lib-src' (on MS-DOS, `info') and `etc' directories are found | |
1e2c5d95 GM |
2489 | within the variable `invocation-directory' or its parent. For example, |
2490 | this is the case when running an uninstalled Emacs executable from its | |
74cc8ff9 | 2491 | build directory. */); |
07f4d123 | 2492 | Vinstallation_directory = Qnil; |
68c45bf0 | 2493 | |
29208e82 | 2494 | DEFVAR_LISP ("system-messages-locale", Vsystem_messages_locale, |
7db35a48 | 2495 | doc: /* System locale for messages. */); |
ca9c0567 | 2496 | Vsystem_messages_locale = Qnil; |
68c45bf0 | 2497 | |
ca9c0567 | 2498 | DEFVAR_LISP ("previous-system-messages-locale", |
29208e82 | 2499 | Vprevious_system_messages_locale, |
7db35a48 | 2500 | doc: /* Most recently used system locale for messages. */); |
ca9c0567 | 2501 | Vprevious_system_messages_locale = Qnil; |
68c45bf0 | 2502 | |
29208e82 | 2503 | DEFVAR_LISP ("system-time-locale", Vsystem_time_locale, |
7db35a48 | 2504 | doc: /* System locale for time. */); |
ca9c0567 | 2505 | Vsystem_time_locale = Qnil; |
68c45bf0 | 2506 | |
29208e82 | 2507 | DEFVAR_LISP ("previous-system-time-locale", Vprevious_system_time_locale, |
7db35a48 | 2508 | doc: /* Most recently used system locale for time. */); |
ca9c0567 | 2509 | Vprevious_system_time_locale = Qnil; |
90503d96 | 2510 | |
29208e82 | 2511 | DEFVAR_LISP ("before-init-time", Vbefore_init_time, |
90503d96 CY |
2512 | doc: /* Value of `current-time' before Emacs begins initialization. */); |
2513 | Vbefore_init_time = Qnil; | |
2514 | ||
29208e82 | 2515 | DEFVAR_LISP ("after-init-time", Vafter_init_time, |
90503d96 CY |
2516 | doc: /* Value of `current-time' after loading the init files. |
2517 | This is nil during initialization. */); | |
2518 | Vafter_init_time = Qnil; | |
fc012771 | 2519 | |
29208e82 | 2520 | DEFVAR_BOOL ("inhibit-x-resources", inhibit_x_resources, |
9b68317c | 2521 | doc: /* If non-nil, X resources, Windows Registry settings, and NS defaults are not used. */); |
8686ac71 JB |
2522 | inhibit_x_resources = 0; |
2523 | ||
29208e82 | 2524 | DEFVAR_LISP ("emacs-copyright", Vemacs_copyright, |
8c5ff6dd KR |
2525 | doc: /* Short copyright string for this version of Emacs. */); |
2526 | Vemacs_copyright = build_string (emacs_copyright); | |
2527 | ||
29208e82 | 2528 | DEFVAR_LISP ("emacs-version", Vemacs_version, |
8c5ff6dd KR |
2529 | doc: /* Version numbers of this version of Emacs. */); |
2530 | Vemacs_version = build_string (emacs_version); | |
2531 | ||
29208e82 | 2532 | DEFVAR_LISP ("dynamic-library-alist", Vdynamic_library_alist, |
2e288d54 JB |
2533 | doc: /* Alist of dynamic libraries vs external files implementing them. |
2534 | Each element is a list (LIBRARY FILE...), where the car is a symbol | |
2535 | representing a supported external library, and the rest are strings giving | |
2536 | alternate filenames for that library. | |
2537 | ||
2538 | Emacs tries to load the library from the files in the order they appear on | |
2539 | the list; if none is loaded, the running session of Emacs won't have access | |
2540 | to that library. | |
2541 | ||
2542 | Note that image types `pbm' and `xbm' do not need entries in this variable | |
2543 | because they do not depend on external libraries and are always available. | |
2544 | ||
2545 | Also note that this is not a generic facility for accessing external | |
2546 | libraries; only those already known by Emacs will be loaded. */); | |
2547 | Vdynamic_library_alist = Qnil; | |
2548 | Fput (intern_c_string ("dynamic-library-alist"), Qrisky_local_variable, Qt); | |
2549 | ||
aa15c6bb JB |
2550 | #ifdef WINDOWSNT |
2551 | Vlibrary_cache = Qnil; | |
2552 | staticpro (&Vlibrary_cache); | |
2553 | #endif | |
f927c5ae | 2554 | } |