1 /* Fully extensible Emacs, running on Unix, intended for GNU.
2 Copyright (C) 1985, 1986, 1987, 1993, 1994, 1995, 1997, 1998, 1999,
3 2001, 2002, 2003, 2004, 2005, 2006, 2007, 2008, 2009,
4 2010 Free Software Foundation, Inc.
6 This file is part of GNU Emacs.
8 GNU Emacs is free software: you can redistribute it and/or modify
9 it under the terms of the GNU General Public License as published by
10 the Free Software Foundation, either version 3 of the License, or
11 (at your option) any later version.
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.
18 You should have received a copy of the GNU General Public License
19 along with GNU Emacs. If not, see <http://www.gnu.org/licenses/>. */
27 #include <sys/types.h>
35 #ifdef HAVE_SYS_IOCTL_H
36 #include <sys/ioctl.h>
41 #include <windows.h> /* just for w32.h */
43 #include "w32heap.h" /* for prototype of sbrk */
46 #ifdef NS_IMPL_GNUSTEP
47 /* At least under Debian, GSConfig is in a subdirectory. --Stef */
48 #include <GNUstepBase/GSConfig.h>
53 #include "intervals.h"
58 #include "blockinput.h"
59 #include "syssignal.h"
62 #include "termhooks.h"
72 #include <sys/resource.h>
75 #ifdef HAVE_PERSONALITY_LINUX32
76 #include <sys/personality.h>
86 #define setpgrp setpgid
90 const char emacs_copyright
[] = "Copyright (C) 2010 Free Software Foundation, Inc.";
91 const char emacs_version
[] = "24.0.50";
93 /* Make these values available in GDB, which doesn't see macros. */
100 #ifndef USE_LISP_UNION_TYPE
101 int gdb_use_union
= 0;
103 int gdb_use_union
= 1;
105 EMACS_INT gdb_valbits
= VALBITS
;
106 EMACS_INT gdb_gctypebits
= GCTYPEBITS
;
107 #if defined (DATA_SEG_BITS) && ! defined (USE_LSB_TAG)
108 EMACS_INT gdb_data_seg_bits
= DATA_SEG_BITS
;
110 EMACS_INT gdb_data_seg_bits
= 0;
112 EMACS_INT PVEC_FLAG
= PSEUDOVECTOR_FLAG
;
113 EMACS_INT gdb_array_mark_flag
= ARRAY_MARK_FLAG
;
114 /* GDB might say "No enum type named pvec_type" if we don't have at
115 least one symbol with that type, and then xbacktrace could fail. */
116 enum pvec_type gdb_pvec_type
= PVEC_TYPE_MASK
;
118 /* Command line args from shell, as list of strings. */
119 Lisp_Object Vcommand_line_args
;
121 /* The name under which Emacs was invoked, with any leading directory
123 Lisp_Object Vinvocation_name
;
125 /* The directory name from which Emacs was invoked. */
126 Lisp_Object Vinvocation_directory
;
128 /* The directory name in which to find subdirs such as lisp and etc.
129 nil means get them only from PATH_LOADSEARCH. */
130 Lisp_Object Vinstallation_directory
;
132 /* The values of `current-time' before and after Emacs initialization. */
133 Lisp_Object Vbefore_init_time
, Vafter_init_time
;
135 /* Hook run by `kill-emacs' before it does really anything. */
136 Lisp_Object Vkill_emacs_hook
;
138 /* Empty lisp strings. To avoid having to build any others. */
139 Lisp_Object empty_unibyte_string
, empty_multibyte_string
;
141 /* Search path separator. */
142 Lisp_Object Vpath_separator
;
144 /* Set nonzero after Emacs has started up the first time.
145 Prevents reinitialization of the Lisp world and keymaps
146 on subsequent starts. */
149 #ifdef DOUG_LEA_MALLOC
150 /* Preserves a pointer to the memory allocated that copies that
151 static data inside glibc's malloc. */
152 void *malloc_state_ptr
;
153 /* From glibc, a routine that returns a copy of the malloc internal state. */
154 extern void *malloc_get_state (void);
155 /* From glibc, a routine that overwrites the malloc internal state. */
156 extern int malloc_set_state (void*);
157 /* Non-zero if the MALLOC_CHECK_ environment variable was set while
158 dumping. Used to work around a bug in glibc's malloc. */
159 int malloc_using_checking
;
162 /* Variable whose value is symbol giving operating system type. */
163 Lisp_Object Vsystem_type
;
165 /* Variable whose value is string giving configuration built for. */
166 Lisp_Object Vsystem_configuration
;
168 /* Variable whose value is string giving configuration options,
169 for use when reporting bugs. */
170 Lisp_Object Vsystem_configuration_options
;
172 Lisp_Object Qfile_name_handler_alist
;
174 /* Current and previous system locales for messages and time. */
175 Lisp_Object Vsystem_messages_locale
;
176 Lisp_Object Vprevious_system_messages_locale
;
177 Lisp_Object Vsystem_time_locale
;
178 Lisp_Object Vprevious_system_time_locale
;
180 /* Copyright and version info. The version number may be updated by
182 Lisp_Object Vemacs_copyright
, Vemacs_version
;
184 /* If non-zero, emacs should not attempt to use a window-specific code,
185 but instead should use the virtual terminal under which it was started. */
186 int inhibit_window_system
;
188 /* If nonzero, set Emacs to run at this priority. This is also used
189 in child_setup and sys_suspend to make sure subshells run at normal
190 priority; those functions have their own extern declaration. */
191 EMACS_INT emacs_priority
;
193 /* If non-zero, a filter or a sentinel is running. Tested to save the match
194 data on the first attempt to change it inside asynchronous code. */
195 int running_asynch_code
;
197 #if defined(HAVE_X_WINDOWS) || defined(HAVE_NS)
198 /* If non-zero, -d was specified, meaning we're using some window system. */
202 /* An address near the bottom of the stack.
203 Tells GC how to save a copy of the stack. */
206 /* The address where the heap starts (from the first sbrk (0) call). */
207 static void *my_heap_start
;
209 /* The gap between BSS end and heap start as far as we can tell. */
210 static unsigned long heap_bss_diff
;
212 /* If the gap between BSS end and heap start is larger than this
213 output a warning in dump-emacs. */
214 #define MAX_HEAP_BSS_DIFF (1024*1024)
217 #ifdef HAVE_WINDOW_SYSTEM
218 extern Lisp_Object Vinitial_window_system
;
219 #endif /* HAVE_WINDOW_SYSTEM */
221 extern Lisp_Object Vauto_save_list_file_name
;
223 extern Lisp_Object Vinhibit_redisplay
;
225 /* Nonzero means running Emacs without interactive terminal. */
229 /* Value of Lisp variable `noninteractive'.
230 Normally same as C variable `noninteractive'
231 but nothing terrible happens if user sets this one. */
235 /* Nonzero means Emacs was run in --quick mode. */
236 int inhibit_x_resources
;
238 /* Name for the server started by the daemon.*/
239 static char *daemon_name
;
241 /* Pipe used to send exit notification to the daemon parent at
245 /* Save argv and argc. */
249 static void sort_args (int argc
, char **argv
);
250 void syms_of_emacs (void);
252 /* MSVC needs each string be shorter than 2048 bytes, so the usage
253 strings below are split to not overflow this limit. */
255 Usage: %s [OPTION-OR-FILENAME]...\n\
257 Run Emacs, the extensible, customizable, self-documenting real-time\n\
258 display editor. The recommended way to start Emacs for normal editing\n\
259 is with no options at all.\n\
261 Run M-x info RET m emacs RET m emacs invocation RET inside Emacs to\n\
262 read the main documentation for these command-line arguments.\n\
264 Initialization options:\n\
266 --batch do not do interactive display; implies -q\n\
267 --chdir DIR change to directory DIR\n\
268 --daemon start a server in the background\n\
269 --debug-init enable Emacs Lisp debugger for init file\n\
270 --display, -d DISPLAY use X server DISPLAY\n\
271 --no-desktop do not load a saved desktop\n\
272 --no-init-file, -q load neither ~/.emacs nor default.el\n\
273 --no-shared-memory, -nl do not use shared memory\n\
274 --no-site-file do not load site-start.el\n\
275 --no-splash do not display a splash screen on startup\n\
276 --no-window-system, -nw do not communicate with X, ignoring $DISPLAY\n\
277 --quick, -Q equivalent to -q --no-site-file --no-splash\n\
278 --script FILE run FILE as an Emacs Lisp script\n\
279 --terminal, -t DEVICE use DEVICE for terminal I/O\n\
280 --user, -u USER load ~USER/.emacs instead of your own\n\
286 FILE visit FILE using find-file\n\
287 +LINE go to line LINE in next FILE\n\
288 +LINE:COLUMN go to line LINE, column COLUMN, in next FILE\n\
289 --directory, -L DIR add DIR to variable load-path\n\
290 --eval EXPR evaluate Emacs Lisp expression EXPR\n\
291 --execute EXPR evaluate Emacs Lisp expression EXPR\n\
292 --file FILE visit FILE using find-file\n\
293 --find-file FILE visit FILE using find-file\n\
294 --funcall, -f FUNC call Emacs Lisp function FUNC with no arguments\n\
295 --insert FILE insert contents of FILE into current buffer\n\
296 --kill exit without asking for confirmation\n\
297 --load, -l FILE load Emacs Lisp FILE using the load function\n\
298 --visit FILE visit FILE using find-file\n\
304 --background-color, -bg COLOR window background color\n\
305 --basic-display, -D disable many display features;\n\
306 used for debugging Emacs\n\
307 --border-color, -bd COLOR main border color\n\
308 --border-width, -bw WIDTH width of main border\n\
309 --color, --color=MODE override color mode for character terminals;\n\
310 MODE defaults to `auto', and can also\n\
311 be `never', `auto', `always',\n\
312 or a mode name like `ansi8'\n\
313 --cursor-color, -cr COLOR color of the Emacs cursor indicating point\n\
314 --font, -fn FONT default font; must be fixed-width\n\
315 --foreground-color, -fg COLOR window foreground color\n\
316 --fullheight, -fh make the first frame high as the screen\n\
317 --fullscreen, -fs make first frame fullscreen\n\
318 --fullwidth, -fw make the first frame wide as the screen\n\
319 --maximized, -mm make the first frame maximized\n\
320 --geometry, -g GEOMETRY window geometry\n\
321 --no-bitmap-icon, -nbi do not use picture of gnu for Emacs icon\n\
322 --iconic start Emacs in iconified state\n\
323 --internal-border, -ib WIDTH width between text and main border\n\
324 --line-spacing, -lsp PIXELS additional space to put between lines\n\
325 --mouse-color, -ms COLOR mouse cursor color in Emacs window\n\
326 --name NAME title for initial Emacs frame\n\
327 --no-blinking-cursor, -nbc disable blinking cursor\n\
328 --reverse-video, -r, -rv switch foreground and background\n\
329 --title, -T TITLE title for initial Emacs frame\n\
330 --vertical-scroll-bars, -vb enable vertical scroll bars\n\
331 --xrm XRESOURCES set additional X resources\n\
332 --parent-id XID set parent window\n\
333 --help display this help and exit\n\
334 --version output version information and exit\n\
338 You can generally also specify long option names with a single -; for\n\
339 example, -batch as well as --batch. You can use any unambiguous\n\
340 abbreviation for a --option.\n\
342 Various environment variables and window system resources also affect\n\
343 Emacs' operation. See the main documentation.\n\
345 Report bugs to bug-gnu-emacs@gnu.org. First, please see the Bugs\n\
346 section of the Emacs manual or the file BUGS.\n"
349 /* Signal code for the fatal signal that was received. */
350 int fatal_error_code
;
352 /* Nonzero if handling a fatal error already. */
353 int fatal_error_in_progress
;
355 /* If non-null, call this function from fatal_error_signal before
356 committing suicide. */
358 void (*fatal_error_signal_hook
) (void);
360 #ifdef FORWARD_SIGNAL_TO_MAIN_THREAD
361 /* When compiled with GTK and running under Gnome,
362 multiple threads may be created. Keep track of our main
363 thread to make sure signals are delivered to it (see syssignal.h). */
365 pthread_t main_thread
;
369 /* Handle bus errors, invalid instruction, etc. */
371 fatal_error_signal (int sig
)
373 SIGNAL_THREAD_CHECK (sig
);
374 fatal_error_code
= sig
;
375 signal (sig
, SIG_DFL
);
377 TOTALLY_UNBLOCK_INPUT
;
379 /* If fatal error occurs in code below, avoid infinite recursion. */
380 if (! fatal_error_in_progress
)
382 fatal_error_in_progress
= 1;
384 if (sig
== SIGTERM
|| sig
== SIGHUP
)
385 Fkill_emacs (make_number (sig
));
387 shut_down_emacs (sig
, 0, Qnil
);
390 /* Signal the same code; this time it will really be fatal.
391 Remember that since we're in a signal handler, the signal we're
392 going to send is probably blocked, so we have to unblock it if we
393 want to really receive it. */
395 sigunblock (sigmask (fatal_error_code
));
398 if (fatal_error_signal_hook
)
399 fatal_error_signal_hook ();
401 kill (getpid (), fatal_error_code
);
406 /* Handler for SIGDANGER. */
408 memory_warning_signal (sig
)
411 signal (sig
, memory_warning_signal
);
412 SIGNAL_THREAD_CHECK (sig
);
414 malloc_warning ("Operating system warns that virtual memory is running low.\n");
416 /* It might be unsafe to call do_auto_save now. */
417 force_auto_save_soon ();
421 /* We define abort, rather than using it from the library,
422 so that GDB can return from a breakpoint here.
423 MSDOS has its own definition in msdos.c. */
425 #if ! defined (DOS_NT) && ! defined (NO_ABORT)
430 kill (getpid (), SIGABRT
);
431 /* This shouldn't be executed, but it prevents a warning. */
437 /* Code for dealing with Lisp access to the Unix command line. */
440 init_cmdargs (int argc
, char **argv
, int skip_args
)
443 Lisp_Object name
, dir
, tem
;
444 int count
= SPECPDL_INDEX ();
445 Lisp_Object raw_name
;
450 raw_name
= build_string (argv
[0]);
452 /* Add /: to the front of the name
453 if it would otherwise be treated as magic. */
454 tem
= Ffind_file_name_handler (raw_name
, Qt
);
456 raw_name
= concat2 (build_string ("/:"), raw_name
);
458 Vinvocation_name
= Ffile_name_nondirectory (raw_name
);
459 Vinvocation_directory
= Ffile_name_directory (raw_name
);
461 /* If we got no directory in argv[0], search PATH to find where
462 Emacs actually came from. */
463 if (NILP (Vinvocation_directory
))
466 int yes
= openp (Vexec_path
, Vinvocation_name
,
467 Vexec_suffixes
, &found
, make_number (X_OK
));
470 /* Add /: to the front of the name
471 if it would otherwise be treated as magic. */
472 tem
= Ffind_file_name_handler (found
, Qt
);
474 found
= concat2 (build_string ("/:"), found
);
475 Vinvocation_directory
= Ffile_name_directory (found
);
479 if (!NILP (Vinvocation_directory
)
480 && NILP (Ffile_name_absolute_p (Vinvocation_directory
)))
481 /* Emacs was started with relative path, like ./emacs.
483 Vinvocation_directory
= Fexpand_file_name (Vinvocation_directory
, Qnil
);
485 Vinstallation_directory
= Qnil
;
487 if (!NILP (Vinvocation_directory
))
489 dir
= Vinvocation_directory
;
490 name
= Fexpand_file_name (Vinvocation_name
, dir
);
493 Lisp_Object tem
, lib_src_exists
;
494 Lisp_Object etc_exists
, info_exists
;
496 /* See if dir contains subdirs for use by Emacs.
497 Check for the ones that would exist in a build directory,
498 not including lisp and info. */
499 tem
= Fexpand_file_name (build_string ("lib-src"), dir
);
500 lib_src_exists
= Ffile_exists_p (tem
);
503 /* MSDOS installations frequently remove lib-src, but we still
504 must set installation-directory, or else info won't find
505 its files (it uses the value of installation-directory). */
506 tem
= Fexpand_file_name (build_string ("info"), dir
);
507 info_exists
= Ffile_exists_p (tem
);
512 if (!NILP (lib_src_exists
) || !NILP (info_exists
))
514 tem
= Fexpand_file_name (build_string ("etc"), dir
);
515 etc_exists
= Ffile_exists_p (tem
);
516 if (!NILP (etc_exists
))
518 Vinstallation_directory
519 = Ffile_name_as_directory (dir
);
524 /* See if dir's parent contains those subdirs. */
525 tem
= Fexpand_file_name (build_string ("../lib-src"), dir
);
526 lib_src_exists
= Ffile_exists_p (tem
);
530 /* See the MSDOS commentary above. */
531 tem
= Fexpand_file_name (build_string ("../info"), dir
);
532 info_exists
= Ffile_exists_p (tem
);
537 if (!NILP (lib_src_exists
) || !NILP (info_exists
))
539 tem
= Fexpand_file_name (build_string ("../etc"), dir
);
540 etc_exists
= Ffile_exists_p (tem
);
541 if (!NILP (etc_exists
))
543 tem
= Fexpand_file_name (build_string (".."), dir
);
544 Vinstallation_directory
545 = Ffile_name_as_directory (tem
);
550 /* If the Emacs executable is actually a link,
551 next try the dir that the link points into. */
552 tem
= Ffile_symlink_p (name
);
555 name
= Fexpand_file_name (tem
, dir
);
556 dir
= Ffile_name_directory (name
);
563 Vcommand_line_args
= Qnil
;
565 for (i
= argc
- 1; i
>= 0; i
--)
567 if (i
== 0 || i
> skip_args
)
568 /* For the moment, we keep arguments as is in unibyte strings.
569 They are decoded in the function command-line after we know
570 locale-coding-system. */
572 = Fcons (make_unibyte_string (argv
[i
], strlen (argv
[i
])),
576 unbind_to (count
, Qnil
);
579 DEFUN ("invocation-name", Finvocation_name
, Sinvocation_name
, 0, 0, 0,
580 doc
: /* Return the program name that was used to run Emacs.
581 Any directory names are omitted. */)
584 return Fcopy_sequence (Vinvocation_name
);
587 DEFUN ("invocation-directory", Finvocation_directory
, Sinvocation_directory
,
589 doc
: /* Return the directory name in which the Emacs executable was located. */)
592 return Fcopy_sequence (Vinvocation_directory
);
597 /* A valid but unlikely value for the TZ environment value.
598 It is OK (though a bit slower) if the user actually chooses this value. */
599 static char dump_tz
[] = "UtC0";
602 #ifndef ORDINARY_LINK
603 /* We don't include crtbegin.o and crtend.o in the link,
604 so these functions and variables might be missed.
605 Provide dummy definitions to avoid error.
606 (We don't have any real constructors or destructors.) */
608 #ifndef GCC_CTORS_IN_LIBC
609 void __do_global_ctors ()
611 void __do_global_ctors_aux ()
613 void __do_global_dtors ()
615 /* GNU/Linux has a bug in its library; avoid an error. */
617 char * __CTOR_LIST__
[2] = { (char *) (-1), 0 };
619 char * __DTOR_LIST__
[2] = { (char *) (-1), 0 };
620 #endif /* GCC_CTORS_IN_LIBC */
623 #endif /* __GNUC__ */
624 #endif /* ORDINARY_LINK */
626 /* Test whether the next argument in ARGV matches SSTR or a prefix of
627 LSTR (at least MINLEN characters). If so, then if VALPTR is non-null
628 (the argument is supposed to have a value) store in *VALPTR either
629 the next argument or the portion of this one after the equal sign.
630 ARGV is read starting at position *SKIPPTR; this index is advanced
631 by the number of arguments used.
633 Too bad we can't just use getopt for all of this, but we don't have
634 enough information to do it right. */
637 argmatch (char **argv
, int argc
, char *sstr
, char *lstr
, int minlen
, char **valptr
, int *skipptr
)
643 /* Don't access argv[argc]; give up in advance. */
644 if (argc
<= *skipptr
+ 1)
647 arg
= argv
[*skipptr
+1];
650 if (strcmp (arg
, sstr
) == 0)
654 *valptr
= argv
[*skipptr
+2];
661 arglen
= (valptr
!= NULL
&& (p
= strchr (arg
, '=')) != NULL
662 ? p
- arg
: strlen (arg
));
663 if (lstr
== 0 || arglen
< minlen
|| strncmp (arg
, lstr
, arglen
) != 0)
665 else if (valptr
== NULL
)
676 else if (argv
[*skipptr
+2] != NULL
)
678 *valptr
= argv
[*skipptr
+2];
688 #ifdef DOUG_LEA_MALLOC
690 /* malloc can be invoked even before main (e.g. by the dynamic
691 linker), so the dumped malloc state must be restored as early as
692 possible using this special hook. */
695 malloc_initialize_hook (void)
698 extern char **environ
;
703 if (!malloc_using_checking
)
704 /* Work around a bug in glibc's malloc. MALLOC_CHECK_ must be
705 ignored if the heap to be restored was constructed without
706 malloc checking. Can't use unsetenv, since that calls malloc. */
710 for (p
= environ
; p
&& *p
; p
++)
711 if (strncmp (*p
, "MALLOC_CHECK_=", 14) == 0)
720 malloc_set_state (malloc_state_ptr
);
721 #ifndef XMALLOC_OVERRUN_CHECK
722 free (malloc_state_ptr
);
727 if (my_heap_start
== 0)
728 my_heap_start
= sbrk (0);
729 malloc_using_checking
= getenv ("MALLOC_CHECK_") != NULL
;
733 void (*__malloc_initialize_hook
) (void) = malloc_initialize_hook
;
735 #endif /* DOUG_LEA_MALLOC */
740 main (int argc
, char **argv
)
745 char stack_bottom_variable
;
746 int do_initial_setlocale
;
748 #ifdef HAVE_SETRLIMIT
760 extern Lisp_Object
*stack_base
;
764 #if defined (USE_GTK) && defined (G_SLICE_ALWAYS_MALLOC)
765 /* This is used by the Cygwin build. */
766 setenv ("G_SLICE", "always-malloc", 1);
771 extern char my_endbss
[];
772 extern char *my_endbss_static
;
774 if (my_heap_start
== 0)
775 my_heap_start
= sbrk (0);
777 heap_bss_diff
= (char *)my_heap_start
- max (my_endbss
, my_endbss_static
);
780 #ifdef RUN_TIME_REMAP
782 run_time_remap (argv
[0]);
785 /* If using unexmacosx.c (set by s/darwin.h), we must do this. */
788 unexec_init_emacs_zone ();
791 sort_args (argc
, argv
);
793 while (argv
[argc
]) argc
++;
795 if (argmatch (argv
, argc
, "-version", "--version", 3, NULL
, &skip_args
))
797 const char *version
, *copyright
;
800 Lisp_Object tem
, tem2
;
801 tem
= Fsymbol_value (intern_c_string ("emacs-version"));
802 tem2
= Fsymbol_value (intern_c_string ("emacs-copyright"));
805 fprintf (stderr
, "Invalid value of `emacs-version'\n");
810 fprintf (stderr
, "Invalid value of `emacs-copyright'\n");
815 version
= SDATA (tem
);
816 copyright
= SDATA (tem2
);
821 version
= emacs_version
;
822 copyright
= emacs_copyright
;
824 printf ("GNU Emacs %s\n", version
);
825 printf ("%s\n", copyright
);
826 printf ("GNU Emacs comes with ABSOLUTELY NO WARRANTY.\n");
827 printf ("You may redistribute copies of Emacs\n");
828 printf ("under the terms of the GNU General Public License.\n");
829 printf ("For more information about these matters, ");
830 printf ("see the file named COPYING.\n");
833 if (argmatch (argv
, argc
, "-chdir", "--chdir", 2, &ch_to_dir
, &skip_args
))
834 if (chdir (ch_to_dir
) == -1)
836 fprintf (stderr
, "%s: Can't chdir to %s: %s\n",
837 argv
[0], ch_to_dir
, strerror (errno
));
842 #ifdef HAVE_PERSONALITY_LINUX32
844 && (strcmp (argv
[argc
-1], "dump") == 0
845 || strcmp (argv
[argc
-1], "bootstrap") == 0)
846 && ! getenv ("EMACS_HEAP_EXEC"))
848 /* Set this so we only do this once. */
849 putenv("EMACS_HEAP_EXEC=true");
851 /* A flag to turn off address randomization which is introduced
852 in linux kernel shipped with fedora core 4 */
853 #define ADD_NO_RANDOMIZE 0x0040000
854 personality (PER_LINUX32
| ADD_NO_RANDOMIZE
);
855 #undef ADD_NO_RANDOMIZE
857 execvp (argv
[0], argv
);
859 /* If the exec fails, try to dump anyway. */
862 #endif /* HAVE_PERSONALITY_LINUX32 */
865 /* Map in shared memory, if we are using that. */
867 if (argmatch (argv
, argc
, "-nl", "--no-shared-memory", 6, NULL
, &skip_args
))
870 /* The shared memory was just restored, which clobbered this. */
876 /* The shared memory was just restored, which clobbered this. */
881 #if defined (HAVE_SETRLIMIT) && defined (RLIMIT_STACK)
882 /* Extend the stack space available.
883 Don't do that if dumping, since some systems (e.g. DJGPP)
884 might define a smaller stack limit at that time. */
887 && (!noninteractive
|| initialized
)
889 && !getrlimit (RLIMIT_STACK
, &rlim
))
892 extern size_t re_max_failures
;
893 /* Approximate the amount regex.c needs per unit of re_max_failures. */
894 int ratio
= 20 * sizeof (char *);
895 /* Then add 33% to cover the size of the smaller stacks that regex.c
896 successively allocates and discards, on its way to the maximum. */
898 /* Add in some extra to cover
899 what we're likely to use for other reasons. */
900 newlim
= re_max_failures
* ratio
+ 200000;
902 /* NetBSD (at least NetBSD 1.2G and former) has a bug in its
903 stack allocation routine for new process that the allocation
904 fails if stack limit is not on page boundary. So, round up the
905 new limit to page boundary. */
906 newlim
= (newlim
+ getpagesize () - 1) / getpagesize () * getpagesize();
908 if (newlim
> rlim
.rlim_max
)
910 newlim
= rlim
.rlim_max
;
911 /* Don't let regex.c overflow the stack we have. */
912 re_max_failures
= (newlim
- 200000) / ratio
;
914 if (rlim
.rlim_cur
< newlim
)
915 rlim
.rlim_cur
= newlim
;
917 setrlimit (RLIMIT_STACK
, &rlim
);
919 #endif /* HAVE_SETRLIMIT and RLIMIT_STACK */
921 /* Record (approximately) where the stack begins. */
922 stack_bottom
= &stack_bottom_variable
;
926 #ifndef SYSTEM_MALLOC
927 /* Arrange to get warning messages as memory fills up. */
928 memory_warnings (0, malloc_warning
);
930 /* Call malloc at least once, to run the initial __malloc_hook.
931 Also call realloc and free for consistency. */
932 free (realloc (malloc (4), 4));
935 /* Arrange to disable interrupt input inside malloc etc. */
936 uninterrupt_malloc ();
937 # endif /* not SYNC_INPUT */
938 #endif /* not SYSTEM_MALLOC */
940 #ifdef FORWARD_SIGNAL_TO_MAIN_THREAD
941 main_thread
= pthread_self ();
942 #endif /* FORWARD_SIGNAL_TO_MAIN_THREAD */
944 #if defined (MSDOS) || defined (WINDOWSNT)
945 /* We do all file input/output as binary files. When we need to translate
946 newlines, we do that manually. */
948 #endif /* MSDOS || WINDOWSNT */
951 if (!isatty (fileno (stdin
)))
952 setmode (fileno (stdin
), O_BINARY
);
953 if (!isatty (fileno (stdout
)))
956 setmode (fileno (stdout
), O_BINARY
);
960 #ifdef SET_EMACS_PRIORITY
962 nice (emacs_priority
);
964 #endif /* SET_EMACS_PRIORITY */
966 /* Skip initial setlocale if LC_ALL is "C", as it's not needed in that case.
967 The build procedure uses this while dumping, to ensure that the
968 dumped Emacs does not have its system locale tables initialized,
969 as that might cause screwups when the dumped Emacs starts up. */
971 char *lc_all
= getenv ("LC_ALL");
972 do_initial_setlocale
= ! lc_all
|| strcmp (lc_all
, "C");
975 /* Set locale now, so that initial error messages are localized properly.
976 fixup_locale must wait until later, since it builds strings. */
977 if (do_initial_setlocale
)
978 setlocale (LC_ALL
, "");
980 inhibit_window_system
= 0;
982 /* Handle the -t switch, which specifies filename to use as terminal. */
986 if (argmatch (argv
, argc
, "-t", "--terminal", 4, &term
, &skip_args
))
991 result
= emacs_open (term
, O_RDWR
, 0);
994 char *errstring
= strerror (errno
);
995 fprintf (stderr
, "%s: %s: %s\n", argv
[0], term
, errstring
);
1001 fprintf (stderr
, "%s: %s: not a tty\n", argv
[0], term
);
1004 fprintf (stderr
, "Using %s\n", term
);
1005 #ifdef HAVE_WINDOW_SYSTEM
1006 inhibit_window_system
= 1; /* -t => -nw */
1013 /* Command line option --no-windows is deprecated and thus not mentioned
1014 in the manual and usage informations. */
1015 if (argmatch (argv
, argc
, "-nw", "--no-window-system", 6, NULL
, &skip_args
)
1016 || argmatch (argv
, argc
, "-nw", "--no-windows", 6, NULL
, &skip_args
))
1017 inhibit_window_system
= 1;
1019 /* Handle the -batch switch, which means don't do interactive display. */
1021 if (argmatch (argv
, argc
, "-batch", "--batch", 5, NULL
, &skip_args
))
1024 Vundo_outer_limit
= Qnil
;
1026 if (argmatch (argv
, argc
, "-script", "--script", 3, &junk
, &skip_args
))
1028 noninteractive
= 1; /* Set batch mode. */
1029 /* Convert --script to -scriptload, un-skip it, and sort again
1030 so that it will be handled in proper sequence. */
1031 /* FIXME broken for --script=FILE - is that supposed to work? */
1032 argv
[skip_args
- 1] = "-scriptload";
1034 sort_args (argc
, argv
);
1037 /* Handle the --help option, which gives a usage message. */
1038 if (argmatch (argv
, argc
, "-help", "--help", 3, NULL
, &skip_args
))
1040 printf (USAGE1
, argv
[0], USAGE2
);
1046 if (argmatch (argv
, argc
, "-daemon", "--daemon", 5, NULL
, &skip_args
)
1047 || argmatch (argv
, argc
, "-daemon", "--daemon", 5, &dname_arg
, &skip_args
))
1052 /* Start as a daemon: fork a new child process which will run the
1053 rest of the initialization code, then exit.
1055 Detaching a daemon requires the following steps:
1059 - close the tty file-descriptors
1061 We only want to do the last 2 steps once the daemon is ready to
1062 serve requests, i.e. after loading .emacs (initialization).
1063 OTOH initialization may start subprocesses (e.g. ispell) and these
1064 should be run from the proper process (the one that will end up
1065 running as daemon) and with the proper "session id" in order for
1066 them to keep working after detaching, so fork and setsid need to be
1067 performed before initialization.
1069 We want to avoid exiting before the server socket is ready, so
1070 use a pipe for synchronization. The parent waits for the child
1071 to close its end of the pipe (using `daemon-initialized')
1073 if (pipe (daemon_pipe
) == -1)
1075 fprintf (stderr
, "Cannot pipe!\n");
1079 #ifndef NS_IMPL_COCOA
1081 #else /* NS_IMPL_COCOA */
1082 /* Under Cocoa we must do fork+exec as CoreFoundation lib fails in
1083 forked process: http://developer.apple.com/ReleaseNotes/
1084 CoreFoundation/CoreFoundation.html)
1085 We mark being in the exec'd process by a daemon name argument of
1086 form "--daemon=\nFD0,FD1\nNAME" where FD are the pipe file descriptors,
1087 NAME is the original daemon name, if any. */
1088 if (!dname_arg
|| !strchr (dname_arg
, '\n'))
1089 f
= fork (); /* in orig */
1091 f
= 0; /* in exec'd */
1092 #endif /* NS_IMPL_COCOA */
1098 /* Close unused writing end of the pipe. */
1099 close (daemon_pipe
[1]);
1101 /* Just wait for the child to close its end of the pipe. */
1104 retval
= read (daemon_pipe
[0], &buf
, 1);
1106 while (retval
== -1 && errno
== EINTR
);
1110 fprintf (stderr
, "Error reading status from child\n");
1113 else if (retval
== 0)
1115 fprintf (stderr
, "Error: server did not start correctly\n");
1119 close (daemon_pipe
[0]);
1124 fprintf (stderr
, "Cannot fork!\n");
1128 #ifdef NS_IMPL_COCOA
1130 /* In orig process, forked as child, OR in exec'd. */
1131 if (!dname_arg
|| !strchr (dname_arg
, '\n'))
1132 { /* In orig, child: now exec w/special daemon name. */
1135 if (dname_arg
&& strlen (dname_arg
) > 70)
1137 fprintf (stderr
, "daemon: child name too long\n");
1141 sprintf (fdStr
, "--daemon=\n%d,%d\n%s", daemon_pipe
[0],
1142 daemon_pipe
[1], dname_arg
? dname_arg
: "");
1143 argv
[skip_args
] = fdStr
;
1145 execv (argv
[0], argv
);
1146 fprintf (stderr
, "emacs daemon: exec failed: %d\n", errno
);
1150 /* In exec'd: parse special dname into pipe and name info. */
1151 if (!dname_arg
|| !strchr (dname_arg
, '\n')
1152 || strlen (dname_arg
) < 1 || strlen (dname_arg
) > 70)
1154 fprintf (stderr
, "emacs daemon: daemon name absent or too long\n");
1157 dname_arg2
[0] = '\0';
1158 sscanf (dname_arg
, "\n%d,%d\n%s", &(daemon_pipe
[0]), &(daemon_pipe
[1]),
1160 dname_arg
= strlen (dname_arg2
) ? dname_arg2
: NULL
;
1162 #endif /* NS_IMPL_COCOA */
1165 daemon_name
= xstrdup (dname_arg
);
1166 /* Close unused reading end of the pipe. */
1167 close (daemon_pipe
[0]);
1168 /* Make sure that the used end of the pipe is closed on exec, so
1169 that it is not accessible to programs started from .emacs. */
1170 fcntl (daemon_pipe
[1], F_SETFD
, FD_CLOEXEC
);
1176 fprintf (stderr
, "This platform does not support the -daemon flag.\n");
1181 if (! noninteractive
)
1183 #if defined (USG5) && defined (INTERRUPT_INPUT)
1186 #if defined (HAVE_GTK_AND_PTHREAD) && !defined (SYSTEM_MALLOC) && !defined (DOUG_LEA_MALLOC)
1188 extern void malloc_enable_thread (void);
1190 malloc_enable_thread ();
1197 /* Don't catch SIGHUP if dumping. */
1204 sigblock (sigmask (SIGHUP
));
1205 /* In --batch mode, don't catch SIGHUP if already ignored.
1206 That makes nohup work. */
1207 if (! noninteractive
1208 || signal (SIGHUP
, SIG_IGN
) != SIG_IGN
)
1209 signal (SIGHUP
, fatal_error_signal
);
1210 sigunblock (sigmask (SIGHUP
));
1215 ! noninteractive
|| initialized
1221 /* Don't catch these signals in batch mode if dumping.
1222 On some machines, this sets static data that would make
1223 signal fail to work right when the dumped Emacs is run. */
1224 signal (SIGQUIT
, fatal_error_signal
);
1225 signal (SIGILL
, fatal_error_signal
);
1226 signal (SIGTRAP
, fatal_error_signal
);
1228 add_user_signal (SIGUSR1
, "sigusr1");
1231 add_user_signal (SIGUSR2
, "sigusr2");
1234 signal (SIGABRT
, fatal_error_signal
);
1237 signal (SIGHWE
, fatal_error_signal
);
1240 signal (SIGPRE
, fatal_error_signal
);
1243 signal (SIGORE
, fatal_error_signal
);
1246 signal (SIGUME
, fatal_error_signal
);
1249 signal (SIGDLK
, fatal_error_signal
);
1252 signal (SIGCPULIM
, fatal_error_signal
);
1255 /* This is missing on some systems - OS/2, for example. */
1256 signal (SIGIOT
, fatal_error_signal
);
1259 signal (SIGEMT
, fatal_error_signal
);
1261 signal (SIGFPE
, fatal_error_signal
);
1263 signal (SIGBUS
, fatal_error_signal
);
1265 signal (SIGSEGV
, fatal_error_signal
);
1267 signal (SIGSYS
, fatal_error_signal
);
1269 signal (SIGTERM
, fatal_error_signal
);
1271 signal (SIGXCPU
, fatal_error_signal
);
1274 signal (SIGXFSZ
, fatal_error_signal
);
1275 #endif /* SIGXFSZ */
1278 /* This just means available memory is getting low. */
1279 signal (SIGDANGER
, memory_warning_signal
);
1283 /* 20 is SIGCHLD, 21 is SIGTTIN, 22 is SIGTTOU. */
1284 signal (SIGXCPU
, fatal_error_signal
);
1286 signal (SIGIOINT
, fatal_error_signal
);
1288 signal (SIGGRANT
, fatal_error_signal
);
1289 signal (SIGRETRACT
, fatal_error_signal
);
1290 signal (SIGSOUND
, fatal_error_signal
);
1291 signal (SIGMSG
, fatal_error_signal
);
1295 noninteractive1
= noninteractive
;
1297 /* Perform basic initializations (not merely interning symbols). */
1304 init_character_once ();
1305 init_charset_once ();
1306 init_coding_once ();
1307 init_syntax_once (); /* Create standard syntax table. */
1308 init_category_once (); /* Create standard category table. */
1309 /* Must be done before init_buffer. */
1310 init_casetab_once ();
1311 init_buffer_once (); /* Create buffer table and some buffers. */
1312 init_minibuf_once (); /* Create list of minibuffers. */
1313 /* Must precede init_window_once. */
1315 /* Call syms_of_xfaces before init_window_once because that
1316 function creates Vterminal_frame. Termcap frames now use
1317 faces, and the face implementation uses some symbols as
1320 /* XXX syms_of_keyboard uses some symbols in keymap.c. It would
1321 be better to arrange things not to have this dependency. */
1323 /* Call syms_of_keyboard before init_window_once because
1324 keyboard sets up symbols that include some face names that
1325 the X support will want to use. This can happen when
1326 CANNOT_DUMP is defined. */
1327 syms_of_keyboard ();
1329 /* Called before syms_of_fileio, because it sets up Qerror_condition. */
1332 /* Before syms_of_coding to initialize Vgc_cons_threshold. */
1334 /* Before syms_of_coding because it initializes Qcharsetp. */
1336 /* Before init_window_once, because it sets up the
1337 Vcoding_system_hash_table. */
1338 syms_of_coding (); /* This should be after syms_of_fileio. */
1340 init_window_once (); /* Init the window system. */
1341 #ifdef HAVE_WINDOW_SYSTEM
1342 init_fringe_once (); /* Swap bitmaps if necessary. */
1343 #endif /* HAVE_WINDOW_SYSTEM */
1348 if (do_initial_setlocale
)
1351 Vsystem_messages_locale
= Vprevious_system_messages_locale
;
1352 Vsystem_time_locale
= Vprevious_system_time_locale
;
1357 #ifdef CLASH_DETECTION
1361 running_asynch_code
= 0;
1363 /* Handle --unibyte and the EMACS_UNIBYTE envvar,
1364 but not while dumping. */
1367 int inhibit_unibyte
= 0;
1369 /* --multibyte overrides EMACS_UNIBYTE. */
1370 if (argmatch (argv
, argc
, "-no-unibyte", "--no-unibyte", 4, NULL
, &skip_args
)
1371 || argmatch (argv
, argc
, "-multibyte", "--multibyte", 4, NULL
, &skip_args
)
1372 /* Ignore EMACS_UNIBYTE before dumping. */
1373 || (!initialized
&& noninteractive
))
1374 inhibit_unibyte
= 1;
1376 /* --unibyte requests that we set up to do everything with single-byte
1377 buffers and strings. We need to handle this before calling
1378 init_lread, init_editfns and other places that generate Lisp strings
1379 from text in the environment. */
1380 /* Actually this shouldn't be needed as of 20.4 in a generally
1381 unibyte environment. As handa says, environment values
1382 aren't now decoded; also existing buffers are now made
1383 unibyte during startup if .emacs sets unibyte. Tested with
1384 8-bit data in environment variables and /etc/passwd, setting
1385 unibyte and Latin-1 in .emacs. -- Dave Love */
1386 if (argmatch (argv
, argc
, "-unibyte", "--unibyte", 4, NULL
, &skip_args
)
1387 || argmatch (argv
, argc
, "-no-multibyte", "--no-multibyte", 4, NULL
, &skip_args
)
1388 || (getenv ("EMACS_UNIBYTE") && !inhibit_unibyte
))
1390 Lisp_Object old_log_max
;
1391 Lisp_Object symbol
, tail
;
1393 symbol
= intern_c_string ("enable-multibyte-characters");
1394 Fset_default (symbol
, Qnil
);
1398 /* Erase pre-dump messages in *Messages* now so no abort. */
1399 old_log_max
= Vmessage_log_max
;
1400 XSETFASTINT (Vmessage_log_max
, 0);
1401 message_dolog ("", 0, 1, 0);
1402 Vmessage_log_max
= old_log_max
;
1405 for (tail
= Vbuffer_alist
; CONSP (tail
);
1410 buffer
= Fcdr (XCAR (tail
));
1411 /* Make a multibyte buffer unibyte. */
1412 if (BUF_Z_BYTE (XBUFFER (buffer
)) > BUF_Z (XBUFFER (buffer
)))
1414 struct buffer
*current
= current_buffer
;
1416 set_buffer_temp (XBUFFER (buffer
));
1417 Fset_buffer_multibyte (Qnil
);
1418 set_buffer_temp (current
);
1421 message ("Warning: unibyte sessions are obsolete and will disappear");
1426 = argmatch (argv
, argc
, "-nl", "--no-loadup", 6, NULL
, &skip_args
);
1429 ns_alloc_autorelease_pool();
1430 if (!noninteractive
)
1432 #ifdef NS_IMPL_COCOA
1433 if (skip_args
< argc
)
1435 if (!strncmp(argv
[skip_args
], "-psn", 4))
1438 chdir (getenv ("HOME"));
1440 else if (skip_args
+1 < argc
&& !strncmp(argv
[skip_args
+1], "-psn", 4))
1443 chdir (getenv ("HOME"));
1448 #endif /* HAVE_NS */
1450 #ifdef HAVE_X_WINDOWS
1451 /* Stupid kludge to catch command-line display spec. We can't
1452 handle this argument entirely in window system dependent code
1453 because we don't even know which window system dependent code
1454 to run until we've recognized this argument. */
1456 char *displayname
= 0;
1457 int count_before
= skip_args
;
1459 /* Skip any number of -d options, but only use the last one. */
1462 int count_before_this
= skip_args
;
1464 if (argmatch (argv
, argc
, "-d", "--display", 3, &displayname
, &skip_args
))
1466 else if (argmatch (argv
, argc
, "-display", 0, 3, &displayname
, &skip_args
))
1471 count_before
= count_before_this
;
1474 /* If we have the form --display=NAME,
1475 convert it into -d name.
1476 This requires inserting a new element into argv. */
1477 if (displayname
!= 0 && skip_args
- count_before
== 1)
1479 char **new = (char **) xmalloc (sizeof (char *) * (argc
+ 2));
1482 for (j
= 0; j
< count_before
+ 1; j
++)
1484 new[count_before
+ 1] = "-d";
1485 new[count_before
+ 2] = displayname
;
1486 for (j
= count_before
+ 2; j
<argc
; j
++)
1487 new[j
+ 1] = argv
[j
];
1491 /* Change --display to -d, when its arg is separate. */
1492 else if (displayname
!= 0 && skip_args
> count_before
1493 && argv
[count_before
+ 1][1] == '-')
1494 argv
[count_before
+ 1] = "-d";
1496 /* Don't actually discard this arg. */
1497 skip_args
= count_before
;
1501 /* argmatch must not be used after here,
1502 except when bulding temacs
1503 because the -d argument has not been skipped in skip_args. */
1506 /* Call early 'cause init_environment needs it. */
1508 /* Set defaults for several environment variables. */
1510 init_environment (argc
, argv
, skip_args
);
1517 /* Initialize environment from registry settings. */
1518 init_environment (argv
);
1519 init_ntproc (); /* must precede init_editfns. */
1529 /* Initialize and GC-protect Vinitial_environment and
1530 Vprocess_environment before set_initial_environment fills them
1533 syms_of_callproc ();
1534 /* egetenv is a pretty low-level facility, which may get called in
1535 many circumstances; it seems flimsy to put off initializing it
1536 until calling init_callproc. */
1537 set_initial_environment ();
1538 /* AIX crashes are reported in system versions 3.2.3 and 3.2.4
1539 if this is not done. Do it after set_global_environment so that we
1540 don't pollute Vglobal_environment. */
1541 /* Setting LANG here will defeat the startup locale processing... */
1546 init_buffer (); /* Init default directory of main buffer. */
1548 init_callproc_1 (); /* Must precede init_cmdargs and init_sys_modes. */
1549 init_cmdargs (argc
, argv
, skip_args
); /* Must precede init_lread. */
1553 /* Erase any pre-dump messages in the message log, to avoid confusion. */
1554 Lisp_Object old_log_max
;
1555 old_log_max
= Vmessage_log_max
;
1556 XSETFASTINT (Vmessage_log_max
, 0);
1557 message_dolog ("", 0, 1, 0);
1558 Vmessage_log_max
= old_log_max
;
1561 init_callproc (); /* Must follow init_cmdargs but not init_sys_modes. */
1564 /* Intern the names of all standard functions and variables;
1565 define standard keys. */
1569 /* The basic levels of Lisp must come first. Note that
1570 syms_of_data and some others have already been called. */
1576 syms_of_floatfns ();
1579 syms_of_bytecode ();
1581 syms_of_casefiddle ();
1583 syms_of_category ();
1585 syms_of_character ();
1592 #ifdef CLASH_DETECTION
1593 syms_of_filelock ();
1594 #endif /* CLASH_DETECTION */
1597 /* syms_of_keymap (); */
1605 syms_of_terminal ();
1611 syms_of_textprop ();
1612 syms_of_composite ();
1615 #endif /* WINDOWSNT */
1619 #ifdef HAVE_WINDOW_SYSTEM
1622 #endif /* HAVE_WINDOW_SYSTEM */
1623 #ifdef HAVE_X_WINDOWS
1628 syms_of_xsettings ();
1635 #endif /* HAVE_X_WINDOWS */
1642 syms_of_w32select ();
1645 #endif /* HAVE_NTGUI */
1655 syms_of_nsselect ();
1657 #endif /* HAVE_NS */
1660 syms_of_dbusbind ();
1661 #endif /* HAVE_DBUS */
1671 keys_of_casefiddle ();
1674 keys_of_keyboard ();
1680 /* Initialization that must be done even if the global variable
1681 initialized is non zero. */
1683 globals_of_w32fns ();
1684 globals_of_w32menu ();
1685 globals_of_w32select ();
1686 #endif /* HAVE_NTGUI */
1691 init_editfns (); /* init_process uses Voperating_system_release. */
1692 init_process (); /* init_display uses add_keyboard_wait_descriptor. */
1693 init_keyboard (); /* This too must precede init_sys_modes. */
1694 if (!noninteractive
)
1695 init_display (); /* Determine terminal type. Calls init_sys_modes. */
1698 #ifdef HAVE_WINDOW_SYSTEM
1701 #endif /* HAVE_WINDOW_SYSTEM */
1713 /* Handle -l loadup, args passed by Makefile. */
1714 if (argmatch (argv
, argc
, "-l", "--load", 3, &file
, &skip_args
))
1715 Vtop_level
= Fcons (intern_c_string ("load"),
1716 Fcons (build_string (file
), Qnil
));
1717 /* Unless next switch is -nl, load "loadup.el" first thing. */
1719 Vtop_level
= Fcons (intern_c_string ("load"),
1720 Fcons (build_string ("loadup.el"), Qnil
));
1727 /* If the execution TZ happens to be the same as the dump TZ,
1728 change it to some other value and then change it back,
1729 to force the underlying implementation to reload the TZ info.
1730 This is needed on implementations that load TZ info from files,
1731 since the TZ file contents may differ between dump and execution. */
1732 char *tz
= getenv ("TZ");
1733 if (tz
&& !strcmp (tz
, dump_tz
))
1743 /* Set up for profiling. This is known to work on FreeBSD,
1744 GNU/Linux and MinGW. It might work on some other systems too.
1745 Give it a try and tell us if it works on your system. To compile
1746 for profiling, use the configure option --enable-profiling. */
1747 #if defined (__FreeBSD__) || defined (GNU_LINUX) || defined(__MINGW32__)
1751 extern void _mcleanup ();
1753 extern unsigned char etext
asm ("etext");
1757 extern void safe_bcopy ();
1760 /* This uses safe_bcopy because that function comes first in the
1761 Emacs executable. It might be better to use something that
1762 gives the start of the text segment, but start_of_text is not
1763 defined on all systems now. */
1764 /* FIXME: Does not work on architectures with function
1766 monstartup (safe_bcopy
, &etext
);
1775 #ifdef LOCALTIME_CACHE
1776 /* Some versions of localtime have a bug. They cache the value of the time
1777 zone rather than looking it up every time. Since localtime() is
1778 called to bolt the undumping time into the undumped emacs, this
1779 results in localtime ignoring the TZ environment variable.
1780 This flushes the new TZ value into localtime. */
1782 #endif /* defined (LOCALTIME_CACHE) */
1784 /* Enter editor command loop. This never returns. */
1790 /* Sort the args so we can find the most important ones
1791 at the beginning of argv. */
1793 /* First, here's a table of all the standard options. */
1795 struct standard_args
1798 const char *longname
;
1803 const struct standard_args standard_args
[] =
1805 { "-version", "--version", 150, 0 },
1806 { "-chdir", "--chdir", 130, 1 },
1807 { "-t", "--terminal", 120, 1 },
1808 { "-nw", "--no-window-system", 110, 0 },
1809 { "-nw", "--no-windows", 110, 0 },
1810 { "-batch", "--batch", 100, 0 },
1811 { "-script", "--script", 100, 1 },
1812 { "-daemon", "--daemon", 99, 0 },
1813 { "-help", "--help", 90, 0 },
1814 { "-no-unibyte", "--no-unibyte", 83, 0 },
1815 { "-multibyte", "--multibyte", 82, 0 },
1816 { "-unibyte", "--unibyte", 81, 0 },
1817 { "-no-multibyte", "--no-multibyte", 80, 0 },
1818 { "-nl", "--no-loadup", 70, 0 },
1819 /* -d must come last before the options handled in startup.el. */
1820 { "-d", "--display", 60, 1 },
1821 { "-display", 0, 60, 1 },
1822 /* Now for the options handled in `command-line' (startup.el). */
1823 { "-Q", "--quick", 55, 0 },
1824 { "-quick", 0, 55, 0 },
1825 { "-q", "--no-init-file", 50, 0 },
1826 { "-no-init-file", 0, 50, 0 },
1827 { "-no-site-file", "--no-site-file", 40, 0 },
1828 { "-u", "--user", 30, 1 },
1829 { "-user", 0, 30, 1 },
1830 { "-debug-init", "--debug-init", 20, 0 },
1831 { "-iconic", "--iconic", 15, 0 },
1832 { "-D", "--basic-display", 12, 0},
1833 { "-basic-display", 0, 12, 0},
1834 { "-nbc", "--no-blinking-cursor", 12, 0 },
1835 /* Now for the options handled in `command-line-1' (startup.el). */
1836 { "-nbi", "--no-bitmap-icon", 10, 0 },
1837 { "-bg", "--background-color", 10, 1 },
1838 { "-background", 0, 10, 1 },
1839 { "-fg", "--foreground-color", 10, 1 },
1840 { "-foreground", 0, 10, 1 },
1841 { "-bd", "--border-color", 10, 1 },
1842 { "-bw", "--border-width", 10, 1 },
1843 { "-ib", "--internal-border", 10, 1 },
1844 { "-ms", "--mouse-color", 10, 1 },
1845 { "-cr", "--cursor-color", 10, 1 },
1846 { "-fn", "--font", 10, 1 },
1847 { "-font", 0, 10, 1 },
1848 { "-fs", "--fullscreen", 10, 0 },
1849 { "-fw", "--fullwidth", 10, 0 },
1850 { "-fh", "--fullheight", 10, 0 },
1851 { "-mm", "--maximized", 10, 0 },
1852 { "-g", "--geometry", 10, 1 },
1853 { "-geometry", 0, 10, 1 },
1854 { "-T", "--title", 10, 1 },
1855 { "-title", 0, 10, 1 },
1856 { "-name", "--name", 10, 1 },
1857 { "-xrm", "--xrm", 10, 1 },
1858 { "-parent-id", "--parent-id", 10, 1 },
1859 { "-r", "--reverse-video", 5, 0 },
1861 { "-reverse", 0, 5, 0 },
1862 { "-hb", "--horizontal-scroll-bars", 5, 0 },
1863 { "-vb", "--vertical-scroll-bars", 5, 0 },
1864 { "-color", "--color", 5, 0},
1865 { "-no-splash", "--no-splash", 3, 0 },
1866 { "-no-desktop", "--no-desktop", 3, 0 },
1868 { "-NSAutoLaunch", 0, 5, 1 },
1869 { "-NXAutoLaunch", 0, 5, 1 },
1870 { "-disable-font-backend", "--disable-font-backend", 65, 0 },
1871 { "-_NSMachLaunch", 0, 85, 1 },
1872 { "-MachLaunch", 0, 85, 1 },
1873 { "-macosx", 0, 85, 0 },
1874 { "-NSHost", 0, 85, 1 },
1876 /* These have the same priority as ordinary file name args,
1877 so they are not reordered with respect to those. */
1878 { "-L", "--directory", 0, 1 },
1879 { "-directory", 0, 0, 1 },
1880 { "-l", "--load", 0, 1 },
1881 { "-load", 0, 0, 1 },
1882 /* This has no longname, because using --scriptload confuses sort_args,
1883 because then the --script long option seems to match twice; ie
1884 you can't have a long option which is a prefix of another long
1885 option. In any case, this is entirely an internal option. */
1886 { "-scriptload", NULL
, 0, 1 },
1887 { "-f", "--funcall", 0, 1 },
1888 { "-funcall", 0, 0, 1 },
1889 { "-eval", "--eval", 0, 1 },
1890 { "-execute", "--execute", 0, 1 },
1891 { "-find-file", "--find-file", 0, 1 },
1892 { "-visit", "--visit", 0, 1 },
1893 { "-file", "--file", 0, 1 },
1894 { "-insert", "--insert", 0, 1 },
1896 { "-NXOpen", 0, 0, 1 },
1897 { "-NXOpenTemp", 0, 0, 1 },
1898 { "-NSOpen", 0, 0, 1 },
1899 { "-NSOpenTemp", 0, 0, 1 },
1900 { "-GSFilePath", 0, 0, 1 },
1902 /* This should be processed after ordinary file name args and the like. */
1903 { "-kill", "--kill", -10, 0 },
1906 /* Reorder the elements of ARGV (assumed to have ARGC elements)
1907 so that the highest priority ones come first.
1908 Do not change the order of elements of equal priority.
1909 If an option takes an argument, keep it and its argument together.
1911 If an option that takes no argument appears more
1912 than once, eliminate all but one copy of it. */
1915 sort_args (int argc
, char **argv
)
1917 char **new = (char **) xmalloc (sizeof (char *) * argc
);
1918 /* For each element of argv,
1919 the corresponding element of options is:
1920 0 for an option that takes no arguments,
1921 1 for an option that takes one argument, etc.
1922 -1 for an ordinary non-option argument. */
1923 int *options
= (int *) xmalloc (sizeof (int) * argc
);
1924 int *priority
= (int *) xmalloc (sizeof (int) * argc
);
1926 int incoming_used
= 1;
1930 /* Categorize all the options,
1931 and figure out which argv elts are option arguments. */
1932 for (from
= 1; from
< argc
; from
++)
1936 if (argv
[from
][0] == '-')
1941 /* If we have found "--", don't consider
1942 any more arguments as options. */
1943 if (argv
[from
][1] == '-' && argv
[from
][2] == 0)
1945 /* Leave the "--", and everything following it, at the end. */
1946 for (; from
< argc
; from
++)
1948 priority
[from
] = -100;
1954 /* Look for a match with a known old-fashioned option. */
1955 for (i
= 0; i
< sizeof (standard_args
) / sizeof (standard_args
[0]); i
++)
1956 if (!strcmp (argv
[from
], standard_args
[i
].name
))
1958 options
[from
] = standard_args
[i
].nargs
;
1959 priority
[from
] = standard_args
[i
].priority
;
1960 if (from
+ standard_args
[i
].nargs
>= argc
)
1961 fatal ("Option `%s' requires an argument\n", argv
[from
]);
1962 from
+= standard_args
[i
].nargs
;
1966 /* Look for a match with a known long option.
1967 MATCH is -1 if no match so far, -2 if two or more matches so far,
1968 >= 0 (the table index of the match) if just one match so far. */
1969 if (argv
[from
][1] == '-')
1972 thislen
= strlen (argv
[from
]);
1973 equals
= strchr (argv
[from
], '=');
1975 thislen
= equals
- argv
[from
];
1978 i
< sizeof (standard_args
) / sizeof (standard_args
[0]); i
++)
1979 if (standard_args
[i
].longname
1980 && !strncmp (argv
[from
], standard_args
[i
].longname
,
1989 /* If we found exactly one match, use that. */
1992 options
[from
] = standard_args
[match
].nargs
;
1993 priority
[from
] = standard_args
[match
].priority
;
1994 /* If --OPTION=VALUE syntax is used,
1995 this option uses just one argv element. */
1998 if (from
+ options
[from
] >= argc
)
1999 fatal ("Option `%s' requires an argument\n", argv
[from
]);
2000 from
+= options
[from
];
2002 /* FIXME When match < 0, shouldn't there be some error,
2003 or at least indication to the user that there was a
2010 /* Copy the arguments, in order of decreasing priority, to NEW. */
2012 while (incoming_used
< argc
)
2015 int best_priority
= -9999;
2017 /* Find the highest priority remaining option.
2018 If several have equal priority, take the first of them. */
2019 for (from
= 1; from
< argc
; from
++)
2021 if (argv
[from
] != 0 && priority
[from
] > best_priority
)
2023 best_priority
= priority
[from
];
2026 /* Skip option arguments--they are tied to the options. */
2027 if (options
[from
] > 0)
2028 from
+= options
[from
];
2034 /* Copy the highest priority remaining option, with its args, to NEW.
2035 Unless it is a duplicate of the previous one. */
2036 if (! (options
[best
] == 0
2037 && ! strcmp (new[to
- 1], argv
[best
])))
2039 new[to
++] = argv
[best
];
2040 for (i
= 0; i
< options
[best
]; i
++)
2041 new[to
++] = argv
[best
+ i
+ 1];
2044 incoming_used
+= 1 + (options
[best
] > 0 ? options
[best
] : 0);
2046 /* Clear out this option in ARGV. */
2048 for (i
= 0; i
< options
[best
]; i
++)
2049 argv
[best
+ i
+ 1] = 0;
2052 /* If duplicate options were deleted, fill up extra space with null ptrs. */
2056 memcpy (argv
, new, sizeof (char *) * argc
);
2063 DEFUN ("kill-emacs", Fkill_emacs
, Skill_emacs
, 0, 1, "P",
2064 doc
: /* Exit the Emacs job and kill it.
2065 If ARG is an integer, return ARG as the exit program code.
2066 If ARG is a string, stuff it as keyboard input.
2068 The value of `kill-emacs-hook', if not void,
2069 is a list of functions (of no args),
2070 all of which are called before Emacs is actually killed. */)
2073 struct gcpro gcpro1
;
2080 if (!NILP (Vrun_hooks
) && !noninteractive
)
2081 call1 (Vrun_hooks
, intern ("kill-emacs-hook"));
2085 shut_down_emacs (0, 0, STRINGP (arg
) ? arg
: Qnil
);
2087 /* If we have an auto-save list file,
2088 kill it because we are exiting Emacs deliberately (not crashing).
2089 Do it after shut_down_emacs, which does an auto-save. */
2090 if (STRINGP (Vauto_save_list_file_name
))
2091 unlink (SDATA (Vauto_save_list_file_name
));
2093 exit (INTEGERP (arg
) ? XINT (arg
) : EXIT_SUCCESS
);
2099 /* Perform an orderly shutdown of Emacs. Autosave any modified
2100 buffers, kill any child processes, clean up the terminal modes (if
2101 we're in the foreground), and other stuff like that. Don't perform
2102 any redisplay; this may be called when Emacs is shutting down in
2103 the background, or after its X connection has died.
2105 If SIG is a signal number, print a message for it.
2107 This is called by fatal signal handlers, X protocol error handlers,
2111 shut_down_emacs (sig
, no_x
, stuff
)
2115 /* Prevent running of hooks from now on. */
2118 /* Don't update display from now on. */
2119 Vinhibit_redisplay
= Qt
;
2121 /* If we are controlling the terminal, reset terminal modes. */
2122 #ifdef EMACS_HAVE_TTY_PGRP
2124 int pgrp
= EMACS_GETPGRP (0);
2127 if (EMACS_GET_TTY_PGRP (0, &tpgrp
) != -1
2130 reset_all_sys_modes ();
2131 if (sig
&& sig
!= SIGTERM
)
2132 fprintf (stderr
, "Fatal error (%d)", sig
);
2137 reset_all_sys_modes ();
2140 stuff_buffered_input (stuff
);
2143 inhibit_sentinels
= 1;
2145 kill_buffer_processes (Qnil
);
2146 Fdo_auto_save (Qt
, Qnil
);
2148 #ifdef CLASH_DETECTION
2149 unlock_all_files ();
2152 #if 0 /* This triggers a bug in XCloseDisplay and is not needed. */
2153 #ifdef HAVE_X_WINDOWS
2154 /* It's not safe to call intern here. Maybe we are crashing. */
2155 if (!noninteractive
&& SYMBOLP (Vinitial_window_system
)
2156 && SCHARS (SYMBOL_NAME (Vinitial_window_system
)) == 1
2157 && SREF (SYMBOL_NAME (Vinitial_window_system
), 0) == 'x'
2159 Fx_close_current_connection ();
2160 #endif /* HAVE_X_WINDOWS */
2164 /* There is a tendency for a SIGIO signal to arrive within exit,
2165 and cause a SIGHUP because the input descriptor is already closed. */
2167 signal (SIGIO
, SIG_IGN
);
2174 /* Do this only if terminating normally, we want glyph matrices
2175 etc. in a core dump. */
2176 if (sig
== 0 || sig
== SIGTERM
)
2178 check_glyph_memory ();
2179 check_message_stack ();
2187 ns_term_shutdown (sig
);
2195 DEFUN ("dump-emacs", Fdump_emacs
, Sdump_emacs
, 2, 2, 0,
2196 doc
: /* Dump current state of Emacs into executable file FILENAME.
2197 Take symbols from SYMFILE (presumably the file you executed to run Emacs).
2198 This is used in the file `loadup.el' when building Emacs.
2200 You must run Emacs in batch mode in order to dump it. */)
2201 (Lisp_Object filename
, Lisp_Object symfile
)
2203 extern char my_edata
[];
2206 int count
= SPECPDL_INDEX ();
2210 if (! noninteractive
)
2211 error ("Dumping Emacs works only in batch mode");
2214 if (heap_bss_diff
> MAX_HEAP_BSS_DIFF
)
2216 fprintf (stderr
, "**************************************************\n");
2217 fprintf (stderr
, "Warning: Your system has a gap between BSS and the\n");
2218 fprintf (stderr
, "heap (%lu bytes). This usually means that exec-shield\n",
2220 fprintf (stderr
, "or something similar is in effect. The dump may\n");
2221 fprintf (stderr
, "fail because of this. See the section about\n");
2222 fprintf (stderr
, "exec-shield in etc/PROBLEMS for more information.\n");
2223 fprintf (stderr
, "**************************************************\n");
2225 #endif /* GNU_LINUX */
2227 /* Bind `command-line-processed' to nil before dumping,
2228 so that the dumped Emacs will process its command line
2229 and set up to work with X windows if appropriate. */
2230 symbol
= intern ("command-line-processed");
2231 specbind (symbol
, Qnil
);
2233 CHECK_STRING (filename
);
2234 filename
= Fexpand_file_name (filename
, Qnil
);
2235 if (!NILP (symfile
))
2237 CHECK_STRING (symfile
);
2238 if (SCHARS (symfile
))
2239 symfile
= Fexpand_file_name (symfile
, Qnil
);
2243 Vpurify_flag
= Qnil
;
2246 set_time_zone_rule (dump_tz
);
2247 #ifndef LOCALTIME_CACHE
2248 /* Force a tz reload, since set_time_zone_rule doesn't. */
2254 /* Tell malloc where start of impure now is. */
2255 /* Also arrange for warnings when nearly out of space. */
2256 #ifndef SYSTEM_MALLOC
2258 /* On Windows, this was done before dumping, and that once suffices.
2259 Meanwhile, my_edata is not valid on Windows. */
2260 memory_warnings (my_edata
, malloc_warning
);
2261 #endif /* not WINDOWSNT */
2263 #if !defined (SYSTEM_MALLOC) && defined (HAVE_GTK_AND_PTHREAD) && !defined SYNC_INPUT
2264 /* Pthread may call malloc before main, and then we will get an endless
2265 loop, because pthread_self (see alloc.c) calls malloc the first time
2266 it is called on some systems. */
2267 reset_malloc_hooks ();
2269 #ifdef DOUG_LEA_MALLOC
2270 malloc_state_ptr
= malloc_get_state ();
2273 #ifdef USE_MMAP_FOR_BUFFERS
2276 unexec (SDATA (filename
),
2277 !NILP (symfile
) ? SDATA (symfile
) : 0, my_edata
, 0, 0);
2278 #ifdef USE_MMAP_FOR_BUFFERS
2281 #ifdef DOUG_LEA_MALLOC
2282 free (malloc_state_ptr
);
2287 return unbind_to (count
, Qnil
);
2290 #endif /* not CANNOT_DUMP */
2293 /* Recover from setlocale (LC_ALL, ""). */
2297 /* The Emacs Lisp reader needs LC_NUMERIC to be "C",
2298 so that numbers are read and printed properly for Emacs Lisp. */
2299 setlocale (LC_NUMERIC
, "C");
2302 /* Set system locale CATEGORY, with previous locale *PLOCALE, to
2305 synchronize_locale (int category
, Lisp_Object
*plocale
, Lisp_Object desired_locale
)
2307 if (! EQ (*plocale
, desired_locale
))
2309 *plocale
= desired_locale
;
2310 setlocale (category
, (STRINGP (desired_locale
)
2311 ? (char *) SDATA (desired_locale
)
2316 /* Set system time locale to match Vsystem_time_locale, if possible. */
2318 synchronize_system_time_locale ()
2320 synchronize_locale (LC_TIME
, &Vprevious_system_time_locale
,
2321 Vsystem_time_locale
);
2324 /* Set system messages locale to match Vsystem_messages_locale, if
2327 synchronize_system_messages_locale ()
2330 synchronize_locale (LC_MESSAGES
, &Vprevious_system_messages_locale
,
2331 Vsystem_messages_locale
);
2334 #endif /* HAVE_SETLOCALE */
2341 decode_env_path (const char *evarname
, const char *defalt
)
2343 const char *path
, *p
;
2344 Lisp_Object lpath
, element
, tem
;
2346 /* It's okay to use getenv here, because this function is only used
2347 to initialize variables when Emacs starts up, and isn't called
2350 path
= getenv (evarname
);
2356 /* Ensure values from the environment use the proper directory separator. */
2359 char *path_copy
= alloca (strlen (path
) + 1);
2360 strcpy (path_copy
, path
);
2361 dostounix_filename (path_copy
);
2368 p
= strchr (path
, SEPCHAR
);
2370 p
= path
+ strlen (path
);
2371 element
= (p
- path
? make_string (path
, p
- path
)
2372 : build_string ("."));
2374 /* Add /: to the front of the name
2375 if it would otherwise be treated as magic. */
2376 tem
= Ffind_file_name_handler (element
, Qt
);
2378 /* However, if the handler says "I'm safe",
2379 don't bother adding /:. */
2383 prop
= Fget (tem
, intern ("safe-magic"));
2389 element
= concat2 (build_string ("/:"), element
);
2391 lpath
= Fcons (element
, lpath
);
2397 return Fnreverse (lpath
);
2400 DEFUN ("daemonp", Fdaemonp
, Sdaemonp
, 0, 0, 0,
2401 doc
: /* Return non-nil if the current emacs process is a daemon.
2402 If the daemon was given a name argument, return that name. */)
2407 return build_string (daemon_name
);
2414 DEFUN ("daemon-initialized", Fdaemon_initialized
, Sdaemon_initialized
, 0, 0, 0,
2415 doc
: /* Mark the Emacs daemon as being initialized.
2416 This finishes the daemonization process by doing the other half of detaching
2417 from the parent process and its tty file descriptors. */)
2423 error ("This function can only be called if emacs is run as a daemon");
2425 if (daemon_pipe
[1] < 0)
2426 error ("The daemon has already been initialized");
2428 if (NILP (Vafter_init_time
))
2429 error ("This function can only be called after loading the init files");
2431 /* Get rid of stdin, stdout and stderr. */
2432 nfd
= open ("/dev/null", O_RDWR
);
2438 /* Closing the pipe will notify the parent that it can exit.
2439 FIXME: In case some other process inherited the pipe, closing it here
2440 won't notify the parent because it's still open elsewhere, so we
2441 additionally send a byte, just to make sure the parent really exits.
2442 Instead, we should probably close the pipe in start-process and
2443 call-process to make sure the pipe is never inherited by
2445 write (daemon_pipe
[1], "\n", 1);
2446 close (daemon_pipe
[1]);
2447 /* Set it to an invalid value so we know we've already run this function. */
2448 daemon_pipe
[1] = -1;
2455 Qfile_name_handler_alist
= intern_c_string ("file-name-handler-alist");
2456 staticpro (&Qfile_name_handler_alist
);
2459 defsubr (&Sdump_emacs
);
2462 defsubr (&Skill_emacs
);
2464 defsubr (&Sinvocation_name
);
2465 defsubr (&Sinvocation_directory
);
2466 defsubr (&Sdaemonp
);
2467 defsubr (&Sdaemon_initialized
);
2469 DEFVAR_LISP ("command-line-args", &Vcommand_line_args
,
2470 doc
: /* Args passed by shell to Emacs, as a list of strings.
2471 Many arguments are deleted from the list as they are processed. */);
2473 DEFVAR_LISP ("system-type", &Vsystem_type
,
2474 doc
: /* The value is a symbol indicating the type of operating system you are using.
2476 `gnu' compiled for a GNU Hurd system.
2477 `gnu/linux' compiled for a GNU/Linux system.
2478 `gnu/kfreebsd' compiled for a GNU system with a FreeBSD kernel.
2479 `darwin' compiled for Darwin (GNU-Darwin, Mac OS X, ...).
2480 `ms-dos' compiled as an MS-DOS application.
2481 `windows-nt' compiled as a native W32 application.
2482 `cygwin' compiled using the Cygwin library.
2483 Anything else (in Emacs 23.1, the possibilities are: aix, berkeley-unix,
2484 hpux, irix, lynxos 3.0.1, usg-unix-v) indicates some sort of Unix system. */);
2485 Vsystem_type
= intern_c_string (SYSTEM_TYPE
);
2487 DEFVAR_LISP ("system-configuration", &Vsystem_configuration
,
2488 doc
: /* Value is string indicating configuration Emacs was built for.
2489 On MS-Windows, the value reflects the OS flavor and version on which
2490 Emacs is running. */);
2491 Vsystem_configuration
= build_string (EMACS_CONFIGURATION
);
2493 DEFVAR_LISP ("system-configuration-options", &Vsystem_configuration_options
,
2494 doc
: /* String containing the configuration options Emacs was built with. */);
2495 Vsystem_configuration_options
= build_string (EMACS_CONFIG_OPTIONS
);
2497 DEFVAR_BOOL ("noninteractive", &noninteractive1
,
2498 doc
: /* Non-nil means Emacs is running without interactive terminal. */);
2500 DEFVAR_LISP ("kill-emacs-hook", &Vkill_emacs_hook
,
2501 doc
: /* Hook to be run when `kill-emacs' is called.
2502 Since `kill-emacs' may be invoked when the terminal is disconnected (or
2503 in other similar situations), functions placed on this hook should not
2504 expect to be able to interact with the user. To ask for confirmation,
2505 see `kill-emacs-query-functions' instead.
2507 The hook is not run in batch mode, i.e., if `noninteractive' is non-nil. */);
2508 Vkill_emacs_hook
= Qnil
;
2510 DEFVAR_INT ("emacs-priority", &emacs_priority
,
2511 doc
: /* Priority for Emacs to run at.
2512 This value is effective only if set before Emacs is dumped,
2513 and only if the Emacs executable is installed with setuid to permit
2514 it to change priority. (Emacs sets its uid back to the real uid.)
2515 Currently, you need to define SET_EMACS_PRIORITY in `config.h'
2516 before you compile Emacs, to enable the code for this feature. */);
2519 DEFVAR_LISP ("path-separator", &Vpath_separator
,
2520 doc
: /* String containing the character that separates directories in
2521 search paths, such as PATH and other similar environment variables. */);
2524 Vpath_separator
= make_string (&c
, 1);
2527 DEFVAR_LISP ("invocation-name", &Vinvocation_name
,
2528 doc
: /* The program name that was used to run Emacs.
2529 Any directory names are omitted. */);
2531 DEFVAR_LISP ("invocation-directory", &Vinvocation_directory
,
2532 doc
: /* The directory in which the Emacs executable was found, to run it.
2533 The value is nil if that directory's name is not known. */);
2535 DEFVAR_LISP ("installation-directory", &Vinstallation_directory
,
2536 doc
: /* A directory within which to look for the `lib-src' and `etc' directories.
2537 This is non-nil when we can't find those directories in their standard
2538 installed locations, but we can find them near where the Emacs executable
2540 Vinstallation_directory
= Qnil
;
2542 DEFVAR_LISP ("system-messages-locale", &Vsystem_messages_locale
,
2543 doc
: /* System locale for messages. */);
2544 Vsystem_messages_locale
= Qnil
;
2546 DEFVAR_LISP ("previous-system-messages-locale",
2547 &Vprevious_system_messages_locale
,
2548 doc
: /* Most recently used system locale for messages. */);
2549 Vprevious_system_messages_locale
= Qnil
;
2551 DEFVAR_LISP ("system-time-locale", &Vsystem_time_locale
,
2552 doc
: /* System locale for time. */);
2553 Vsystem_time_locale
= Qnil
;
2555 DEFVAR_LISP ("previous-system-time-locale", &Vprevious_system_time_locale
,
2556 doc
: /* Most recently used system locale for time. */);
2557 Vprevious_system_time_locale
= Qnil
;
2559 DEFVAR_LISP ("before-init-time", &Vbefore_init_time
,
2560 doc
: /* Value of `current-time' before Emacs begins initialization. */);
2561 Vbefore_init_time
= Qnil
;
2563 DEFVAR_LISP ("after-init-time", &Vafter_init_time
,
2564 doc
: /* Value of `current-time' after loading the init files.
2565 This is nil during initialization. */);
2566 Vafter_init_time
= Qnil
;
2568 DEFVAR_BOOL ("inhibit-x-resources", &inhibit_x_resources
,
2569 doc
: /* If non-nil, X resources, Windows Registry settings, and NS defaults are not used. */);
2570 inhibit_x_resources
= 0;
2572 DEFVAR_LISP ("emacs-copyright", &Vemacs_copyright
,
2573 doc
: /* Short copyright string for this version of Emacs. */);
2574 Vemacs_copyright
= build_string (emacs_copyright
);
2576 DEFVAR_LISP ("emacs-version", &Vemacs_version
,
2577 doc
: /* Version numbers of this version of Emacs. */);
2578 Vemacs_version
= build_string (emacs_version
);
2580 /* Make sure IS_DAEMON starts up as false. */
2584 /* arch-tag: 7bfd356a-c720-4612-8ab6-aa4222931c2e
2585 (do not change this comment) */