1 /* Fully extensible Emacs, running on Unix, intended for GNU.
3 Copyright (C) 1985-1987, 1993-1995, 1997-1999, 2001-2014
4 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/>. */
21 #define INLINE EXTERN_INLINE
27 #include <sys/types.h>
31 #include <close-stream.h>
38 #include <sys/socket.h>
44 #if defined WINDOWSNT || defined HAVE_NTGUI
45 #include "w32select.h"
47 #include "w32common.h"
54 #ifdef HAVE_WINDOW_SYSTEM
56 #endif /* HAVE_WINDOW_SYSTEM */
58 #ifdef NS_IMPL_GNUSTEP
59 /* At least under Debian, GSConfig is in a subdirectory. --Stef */
60 #include <GNUstepBase/GSConfig.h>
64 #include "intervals.h"
65 #include "character.h"
71 #include "blockinput.h"
72 #include "syssignal.h"
75 #include "termhooks.h"
80 #include "composite.h"
81 #include "dispextern.h"
83 #include "sysselect.h"
90 #if (defined PROFILING \
91 && (defined __FreeBSD__ || defined GNU_LINUX || defined __MINGW32__))
92 # include <sys/gmon.h>
93 extern void moncontrol (int mode
);
100 #ifdef HAVE_SETRLIMIT
101 #include <sys/time.h>
102 #include <sys/resource.h>
105 #ifdef HAVE_PERSONALITY_LINUX32
106 #include <sys/personality.h>
109 static const char emacs_version
[] = PACKAGE_VERSION
;
110 static const char emacs_copyright
[] = COPYRIGHT
;
111 static const char emacs_bugreport
[] = PACKAGE_BUGREPORT
;
113 /* Empty lisp strings. To avoid having to build any others. */
114 Lisp_Object empty_unibyte_string
, empty_multibyte_string
;
117 /* Cache for externally loaded libraries. */
118 Lisp_Object Vlibrary_cache
;
121 /* Set after Emacs has started up the first time.
122 Prevents reinitialization of the Lisp world and keymaps
123 on subsequent starts. */
126 /* Set to true if this instance of Emacs might dump. */
130 extern void unexec_init_emacs_zone (void);
133 #ifdef DOUG_LEA_MALLOC
134 /* Preserves a pointer to the memory allocated that copies that
135 static data inside glibc's malloc. */
136 static void *malloc_state_ptr
;
137 /* From glibc, a routine that returns a copy of the malloc internal state. */
138 extern void *malloc_get_state (void);
139 /* From glibc, a routine that overwrites the malloc internal state. */
140 extern int malloc_set_state (void *);
141 /* True if the MALLOC_CHECK_ environment variable was set while
142 dumping. Used to work around a bug in glibc's malloc. */
143 static bool malloc_using_checking
;
144 #elif defined HAVE_PTHREAD && !defined SYSTEM_MALLOC
145 extern void malloc_enable_thread (void);
148 Lisp_Object Qfile_name_handler_alist
;
150 Lisp_Object Qrisky_local_variable
;
152 Lisp_Object Qkill_emacs
;
153 static Lisp_Object Qkill_emacs_hook
;
155 /* If true, Emacs should not attempt to use a window-specific code,
156 but instead should use the virtual terminal under which it was started. */
157 bool inhibit_window_system
;
159 /* If true, a filter or a sentinel is running. Tested to save the match
160 data on the first attempt to change it inside asynchronous code. */
161 bool running_asynch_code
;
163 #if defined (HAVE_X_WINDOWS) || defined (HAVE_NS)
164 /* If true, -d was specified, meaning we're using some window system. */
168 /* An address near the bottom of the stack.
169 Tells GC how to save a copy of the stack. */
172 #if defined (DOUG_LEA_MALLOC) || defined (GNU_LINUX)
173 /* The address where the heap starts (from the first sbrk (0) call). */
174 static void *my_heap_start
;
178 /* The gap between BSS end and heap start as far as we can tell. */
179 static uprintmax_t heap_bss_diff
;
182 /* To run as a daemon under Cocoa or Windows, we must do a fork+exec,
185 On Cocoa, CoreFoundation lib fails in forked process:
186 http://developer.apple.com/ReleaseNotes/
187 CoreFoundation/CoreFoundation.html)
189 On Windows, a Cygwin fork child cannot access the USER subsystem.
191 We mark being in the exec'd process by a daemon name argument of
192 form "--daemon=\nFD0,FD1\nNAME" where FD are the pipe file descriptors,
193 NAME is the original daemon name, if any. */
194 #if defined NS_IMPL_COCOA || (defined HAVE_NTGUI && defined CYGWIN)
195 # define DAEMON_MUST_EXEC
198 /* True means running Emacs without interactive terminal. */
201 /* True means remove site-lisp directories from load-path. */
204 /* Name for the server started by the daemon.*/
205 static char *daemon_name
;
207 /* Pipe used to send exit notification to the daemon parent at
211 /* Save argv and argc. */
215 static void sort_args (int argc
, char **argv
);
216 static void syms_of_emacs (void);
218 /* C99 needs each string to be at most 4095 characters, and the usage
219 strings below are split to not overflow this limit. */
220 static char const *const usage_message
[] =
223 Run Emacs, the extensible, customizable, self-documenting real-time\n\
224 display editor. The recommended way to start Emacs for normal editing\n\
225 is with no options at all.\n\
227 Run M-x info RET m emacs RET m emacs invocation RET inside Emacs to\n\
228 read the main documentation for these command-line arguments.\n\
230 Initialization options:\n\
234 --batch do not do interactive display; implies -q\n\
235 --chdir DIR change to directory DIR\n\
236 --daemon start a server in the background\n\
237 --debug-init enable Emacs Lisp debugger for init file\n\
238 --display, -d DISPLAY use X server DISPLAY\n\
241 --no-desktop do not load a saved desktop\n\
242 --no-init-file, -q load neither ~/.emacs nor default.el\n\
243 --no-shared-memory, -nl do not use shared memory\n\
244 --no-site-file do not load site-start.el\n\
245 --no-site-lisp, -nsl do not add site-lisp directories to load-path\n\
246 --no-splash do not display a splash screen on startup\n\
247 --no-window-system, -nw do not communicate with X, ignoring $DISPLAY\n\
250 --quick, -Q equivalent to:\n\
251 -q --no-site-file --no-site-lisp --no-splash\n\
252 --script FILE run FILE as an Emacs Lisp script\n\
253 --terminal, -t DEVICE use DEVICE for terminal I/O\n\
254 --user, -u USER load ~USER/.emacs instead of your own\n\
260 FILE visit FILE using find-file\n\
261 +LINE go to line LINE in next FILE\n\
262 +LINE:COLUMN go to line LINE, column COLUMN, in next FILE\n\
263 --directory, -L DIR prepend DIR to load-path (with :DIR, append DIR)\n\
264 --eval EXPR evaluate Emacs Lisp expression EXPR\n\
265 --execute EXPR evaluate Emacs Lisp expression EXPR\n\
268 --file FILE visit FILE using find-file\n\
269 --find-file FILE visit FILE using find-file\n\
270 --funcall, -f FUNC call Emacs Lisp function FUNC with no arguments\n\
271 --insert FILE insert contents of FILE into current buffer\n\
272 --kill exit without asking for confirmation\n\
273 --load, -l FILE load Emacs Lisp FILE using the load function\n\
274 --visit FILE visit FILE using find-file\n\
280 --background-color, -bg COLOR window background color\n\
281 --basic-display, -D disable many display features;\n\
282 used for debugging Emacs\n\
283 --border-color, -bd COLOR main border color\n\
284 --border-width, -bw WIDTH width of main border\n\
287 --color, --color=MODE override color mode for character terminals;\n\
288 MODE defaults to `auto', and\n\
289 can also be `never', `always',\n\
290 or a mode name like `ansi8'\n\
291 --cursor-color, -cr COLOR color of the Emacs cursor indicating point\n\
292 --font, -fn FONT default font; must be fixed-width\n\
293 --foreground-color, -fg COLOR window foreground color\n\
296 --fullheight, -fh make the first frame high as the screen\n\
297 --fullscreen, -fs make the first frame fullscreen\n\
298 --fullwidth, -fw make the first frame wide as the screen\n\
299 --maximized, -mm make the first frame maximized\n\
300 --geometry, -g GEOMETRY window geometry\n\
303 --no-bitmap-icon, -nbi do not use picture of gnu for Emacs icon\n\
304 --iconic start Emacs in iconified state\n\
305 --internal-border, -ib WIDTH width between text and main border\n\
306 --line-spacing, -lsp PIXELS additional space to put between lines\n\
307 --mouse-color, -ms COLOR mouse cursor color in Emacs window\n\
308 --name NAME title for initial Emacs frame\n\
311 --no-blinking-cursor, -nbc disable blinking cursor\n\
312 --reverse-video, -r, -rv switch foreground and background\n\
313 --title, -T TITLE title for initial Emacs frame\n\
314 --vertical-scroll-bars, -vb enable vertical scroll bars\n\
315 --xrm XRESOURCES set additional X resources\n\
316 --parent-id XID set parent window\n\
317 --help display this help and exit\n\
318 --version output version information and exit\n\
322 You can generally also specify long option names with a single -; for\n\
323 example, -batch as well as --batch. You can use any unambiguous\n\
324 abbreviation for a --option.\n\
326 Various environment variables and window system resources also affect\n\
327 the operation of Emacs. See the main documentation.\n\
329 Report bugs to " PACKAGE_BUGREPORT
". First, please see the Bugs\n\
330 section of the Emacs manual or the file BUGS.\n"
334 /* True if handling a fatal error already. */
335 bool fatal_error_in_progress
;
338 /* NS autrelease pool, for memory management. */
339 static void *ns_pool
;
344 setlocale (int cat
, char const *locale
)
351 /* Report a fatal error due to signal SIG, output a backtrace of at
352 most BACKTRACE_LIMIT lines, and exit. */
354 terminate_due_to_signal (int sig
, int backtrace_limit
)
356 signal (sig
, SIG_DFL
);
357 totally_unblock_input ();
359 /* If fatal error occurs in code below, avoid infinite recursion. */
360 if (! fatal_error_in_progress
)
362 fatal_error_in_progress
= 1;
364 if (sig
== SIGTERM
|| sig
== SIGHUP
|| sig
== SIGINT
)
365 Fkill_emacs (make_number (sig
));
367 shut_down_emacs (sig
, Qnil
);
368 emacs_backtrace (backtrace_limit
);
371 /* Signal the same code; this time it will really be fatal.
372 Since we're in a signal handler, the signal is blocked, so we
373 have to unblock it if we want to really receive it. */
377 sigemptyset (&unblocked
);
378 sigaddset (&unblocked
, sig
);
379 pthread_sigmask (SIG_UNBLOCK
, &unblocked
, 0);
385 /* This shouldn't be executed, but it prevents a warning. */
389 /* Code for dealing with Lisp access to the Unix command line. */
392 init_cmdargs (int argc
, char **argv
, int skip_args
, char *original_pwd
)
395 Lisp_Object name
, dir
, handler
;
396 ptrdiff_t count
= SPECPDL_INDEX ();
397 Lisp_Object raw_name
;
403 /* Must use argv[0] converted to UTF-8, as it begets many standard
404 file and directory names. */
406 char argv0
[MAX_UTF8_PATH
];
408 if (filename_from_ansi (argv
[0], argv0
) == 0)
409 raw_name
= build_unibyte_string (argv0
);
411 raw_name
= build_unibyte_string (argv
[0]);
414 raw_name
= build_unibyte_string (argv
[0]);
417 /* Add /: to the front of the name
418 if it would otherwise be treated as magic. */
419 handler
= Ffind_file_name_handler (raw_name
, Qt
);
420 if (! NILP (handler
))
421 raw_name
= concat2 (build_string ("/:"), raw_name
);
423 Vinvocation_name
= Ffile_name_nondirectory (raw_name
);
424 Vinvocation_directory
= Ffile_name_directory (raw_name
);
426 /* If we got no directory in argv[0], search PATH to find where
427 Emacs actually came from. */
428 if (NILP (Vinvocation_directory
))
431 int yes
= openp (Vexec_path
, Vinvocation_name
,
432 Vexec_suffixes
, &found
, make_number (X_OK
), false);
435 /* Add /: to the front of the name
436 if it would otherwise be treated as magic. */
437 handler
= Ffind_file_name_handler (found
, Qt
);
438 if (! NILP (handler
))
439 found
= concat2 (build_string ("/:"), found
);
440 Vinvocation_directory
= Ffile_name_directory (found
);
444 if (!NILP (Vinvocation_directory
)
445 && NILP (Ffile_name_absolute_p (Vinvocation_directory
)))
446 /* Emacs was started with relative path, like ./emacs.
450 original_pwd
? build_unibyte_string (original_pwd
) : Qnil
;
452 Vinvocation_directory
= Fexpand_file_name (Vinvocation_directory
, odir
);
455 Vinstallation_directory
= Qnil
;
457 if (!NILP (Vinvocation_directory
))
459 dir
= Vinvocation_directory
;
461 /* If we are running from the build directory, set DIR to the
462 src subdirectory of the Emacs tree, like on Posix
464 if (SBYTES (dir
) > sizeof ("/i386/") - 1
465 && 0 == strcmp (SSDATA (dir
) + SBYTES (dir
) - sizeof ("/i386/") + 1,
467 dir
= Fexpand_file_name (build_string ("../.."), dir
);
468 #else /* !WINDOWSNT */
470 name
= Fexpand_file_name (Vinvocation_name
, dir
);
473 Lisp_Object tem
, lib_src_exists
;
474 Lisp_Object etc_exists
, info_exists
;
476 /* See if dir contains subdirs for use by Emacs.
477 Check for the ones that would exist in a build directory,
478 not including lisp and info. */
479 tem
= Fexpand_file_name (build_string ("lib-src"), dir
);
480 lib_src_exists
= Ffile_exists_p (tem
);
483 /* MSDOS installations frequently remove lib-src, but we still
484 must set installation-directory, or else info won't find
485 its files (it uses the value of installation-directory). */
486 tem
= Fexpand_file_name (build_string ("info"), dir
);
487 info_exists
= Ffile_exists_p (tem
);
492 if (!NILP (lib_src_exists
) || !NILP (info_exists
))
494 tem
= Fexpand_file_name (build_string ("etc"), dir
);
495 etc_exists
= Ffile_exists_p (tem
);
496 if (!NILP (etc_exists
))
498 Vinstallation_directory
499 = Ffile_name_as_directory (dir
);
504 /* See if dir's parent contains those subdirs. */
505 tem
= Fexpand_file_name (build_string ("../lib-src"), dir
);
506 lib_src_exists
= Ffile_exists_p (tem
);
510 /* See the MSDOS commentary above. */
511 tem
= Fexpand_file_name (build_string ("../info"), dir
);
512 info_exists
= Ffile_exists_p (tem
);
517 if (!NILP (lib_src_exists
) || !NILP (info_exists
))
519 tem
= Fexpand_file_name (build_string ("../etc"), dir
);
520 etc_exists
= Ffile_exists_p (tem
);
521 if (!NILP (etc_exists
))
523 tem
= Fexpand_file_name (build_string (".."), dir
);
524 Vinstallation_directory
525 = Ffile_name_as_directory (tem
);
530 /* If the Emacs executable is actually a link,
531 next try the dir that the link points into. */
532 tem
= Ffile_symlink_p (name
);
535 name
= Fexpand_file_name (tem
, dir
);
536 dir
= Ffile_name_directory (name
);
543 Vcommand_line_args
= Qnil
;
545 for (i
= argc
- 1; i
>= 0; i
--)
547 if (i
== 0 || i
> skip_args
)
548 /* For the moment, we keep arguments as is in unibyte strings.
549 They are decoded in the function command-line after we know
550 locale-coding-system. */
552 = Fcons (build_unibyte_string (argv
[i
]), Vcommand_line_args
);
555 unbind_to (count
, Qnil
);
558 DEFUN ("invocation-name", Finvocation_name
, Sinvocation_name
, 0, 0, 0,
559 doc
: /* Return the program name that was used to run Emacs.
560 Any directory names are omitted. */)
563 return Fcopy_sequence (Vinvocation_name
);
566 DEFUN ("invocation-directory", Finvocation_directory
, Sinvocation_directory
,
568 doc
: /* Return the directory name in which the Emacs executable was located. */)
571 return Fcopy_sequence (Vinvocation_directory
);
576 /* A valid but unlikely value for the TZ environment value.
577 It is OK (though a bit slower) if the user actually chooses this value. */
578 static char const dump_tz
[] = "UtC0";
581 /* Test whether the next argument in ARGV matches SSTR or a prefix of
582 LSTR (at least MINLEN characters). If so, then if VALPTR is non-null
583 (the argument is supposed to have a value) store in *VALPTR either
584 the next argument or the portion of this one after the equal sign.
585 ARGV is read starting at position *SKIPPTR; this index is advanced
586 by the number of arguments used.
588 Too bad we can't just use getopt for all of this, but we don't have
589 enough information to do it right. */
592 argmatch (char **argv
, int argc
, const char *sstr
, const char *lstr
,
593 int minlen
, char **valptr
, int *skipptr
)
599 /* Don't access argv[argc]; give up in advance. */
600 if (argc
<= *skipptr
+ 1)
603 arg
= argv
[*skipptr
+1];
606 if (strcmp (arg
, sstr
) == 0)
610 *valptr
= argv
[*skipptr
+2];
617 arglen
= (valptr
!= NULL
&& (p
= strchr (arg
, '=')) != NULL
618 ? p
- arg
: strlen (arg
));
619 if (lstr
== 0 || arglen
< minlen
|| strncmp (arg
, lstr
, arglen
) != 0)
621 else if (valptr
== NULL
)
632 else if (argv
[*skipptr
+2] != NULL
)
634 *valptr
= argv
[*skipptr
+2];
644 #ifdef DOUG_LEA_MALLOC
646 /* malloc can be invoked even before main (e.g. by the dynamic
647 linker), so the dumped malloc state must be restored as early as
648 possible using this special hook. */
651 malloc_initialize_hook (void)
655 if (!malloc_using_checking
)
656 /* Work around a bug in glibc's malloc. MALLOC_CHECK_ must be
657 ignored if the heap to be restored was constructed without
658 malloc checking. Can't use unsetenv, since that calls malloc. */
662 for (p
= environ
; p
&& *p
; p
++)
663 if (strncmp (*p
, "MALLOC_CHECK_=", 14) == 0)
672 malloc_set_state (malloc_state_ptr
);
673 #ifndef XMALLOC_OVERRUN_CHECK
674 free (malloc_state_ptr
);
679 if (my_heap_start
== 0)
680 my_heap_start
= sbrk (0);
681 malloc_using_checking
= getenv ("MALLOC_CHECK_") != NULL
;
685 void (*__malloc_initialize_hook
) (void) EXTERNALLY_VISIBLE
= malloc_initialize_hook
;
687 #endif /* DOUG_LEA_MALLOC */
689 /* Close standard output and standard error, reporting any write
690 errors as best we can. This is intended for use with atexit. */
692 close_output_streams (void)
694 if (close_stream (stdout
) != 0)
696 emacs_perror ("Write error to standard output");
697 _exit (EXIT_FAILURE
);
700 if (close_stream (stderr
) != 0)
701 _exit (EXIT_FAILURE
);
706 main (int argc
, char **argv
)
711 char stack_bottom_variable
;
712 bool do_initial_setlocale
;
715 #ifdef HAVE_SETRLIMIT
721 #ifdef DAEMON_MUST_EXEC
726 /* If we use --chdir, this records the original directory. */
727 char *original_pwd
= 0;
733 #ifdef G_SLICE_ALWAYS_MALLOC
734 /* This is used by the Cygwin build. It's not needed starting with
735 cygwin-1.7.24, but it doesn't do any harm. */
736 xputenv ("G_SLICE=always-malloc");
740 might_dump
= !initialized
;
746 extern char my_endbss
[];
747 extern char *my_endbss_static
;
749 if (my_heap_start
== 0)
750 my_heap_start
= sbrk (0);
752 heap_bss_diff
= (char *)my_heap_start
- max (my_endbss
, my_endbss_static
);
756 #if defined WINDOWSNT || defined HAVE_NTGUI
757 /* Set global variables used to detect Windows version. Do this as
758 early as possible. (unexw32.c calls this function as well, but
759 the additional call here is harmless.) */
760 cache_system_info ();
762 /* On Windows 9X, we have to load UNICOWS.DLL as early as possible,
763 to have non-stub implementations of APIs we need to convert file
764 names between UTF-8 and the system's ANSI codepage. */
765 maybe_load_unicows_dll ();
769 #ifdef RUN_TIME_REMAP
771 run_time_remap (argv
[0]);
774 /* If using unexmacosx.c (set by s/darwin.h), we must do this. */
777 unexec_init_emacs_zone ();
780 atexit (close_output_streams
);
782 sort_args (argc
, argv
);
784 while (argv
[argc
]) argc
++;
786 if (argmatch (argv
, argc
, "-version", "--version", 3, NULL
, &skip_args
))
788 const char *version
, *copyright
;
791 Lisp_Object tem
, tem2
;
792 tem
= Fsymbol_value (intern_c_string ("emacs-version"));
793 tem2
= Fsymbol_value (intern_c_string ("emacs-copyright"));
796 fprintf (stderr
, "Invalid value of `emacs-version'\n");
801 fprintf (stderr
, "Invalid value of `emacs-copyright'\n");
806 version
= SSDATA (tem
);
807 copyright
= SSDATA (tem2
);
812 version
= emacs_version
;
813 copyright
= emacs_copyright
;
815 printf ("GNU Emacs %s\n", version
);
816 printf ("%s\n", copyright
);
817 printf ("GNU Emacs comes with ABSOLUTELY NO WARRANTY.\n");
818 printf ("You may redistribute copies of Emacs\n");
819 printf ("under the terms of the GNU General Public License.\n");
820 printf ("For more information about these matters, ");
821 printf ("see the file named COPYING.\n");
825 if (argmatch (argv
, argc
, "-chdir", "--chdir", 4, &ch_to_dir
, &skip_args
))
828 /* argv[] array is kept in its original ANSI codepage encoding,
829 we need to convert to UTF-8, for chdir to work. */
830 char newdir
[MAX_UTF8_PATH
];
832 filename_from_ansi (ch_to_dir
, newdir
);
835 original_pwd
= get_current_dir_name ();
836 if (chdir (ch_to_dir
) != 0)
838 fprintf (stderr
, "%s: Can't chdir to %s: %s\n",
839 argv
[0], ch_to_dir
, strerror (errno
));
844 dumping
= !initialized
&& (strcmp (argv
[argc
- 1], "dump") == 0
845 || strcmp (argv
[argc
- 1], "bootstrap") == 0);
847 #ifdef HAVE_PERSONALITY_LINUX32
848 if (dumping
&& ! getenv ("EMACS_HEAP_EXEC"))
850 /* Set this so we only do this once. */
851 xputenv ("EMACS_HEAP_EXEC=true");
853 /* A flag to turn off address randomization which is introduced
854 in linux kernel shipped with fedora core 4 */
855 #define ADD_NO_RANDOMIZE 0x0040000
856 personality (PER_LINUX32
| ADD_NO_RANDOMIZE
);
857 #undef ADD_NO_RANDOMIZE
859 execvp (argv
[0], argv
);
861 /* If the exec fails, try to dump anyway. */
862 emacs_perror (argv
[0]);
864 #endif /* HAVE_PERSONALITY_LINUX32 */
866 #if defined (HAVE_SETRLIMIT) && defined (RLIMIT_STACK)
867 /* Extend the stack space available.
868 Don't do that if dumping, since some systems (e.g. DJGPP)
869 might define a smaller stack limit at that time. */
872 && (!noninteractive
|| initialized
)
874 && !getrlimit (RLIMIT_STACK
, &rlim
))
877 extern size_t re_max_failures
;
878 /* Approximate the amount regex.c needs per unit of re_max_failures. */
879 int ratio
= 20 * sizeof (char *);
880 /* Then add 33% to cover the size of the smaller stacks that regex.c
881 successively allocates and discards, on its way to the maximum. */
883 /* Add in some extra to cover
884 what we're likely to use for other reasons. */
885 newlim
= re_max_failures
* ratio
+ 200000;
887 /* NetBSD (at least NetBSD 1.2G and former) has a bug in its
888 stack allocation routine for new process that the allocation
889 fails if stack limit is not on page boundary. So, round up the
890 new limit to page boundary. */
891 newlim
= (newlim
+ getpagesize () - 1) / getpagesize () * getpagesize ();
893 if (newlim
> rlim
.rlim_max
)
895 newlim
= rlim
.rlim_max
;
896 /* Don't let regex.c overflow the stack we have. */
897 re_max_failures
= (newlim
- 200000) / ratio
;
899 if (rlim
.rlim_cur
< newlim
)
900 rlim
.rlim_cur
= newlim
;
902 setrlimit (RLIMIT_STACK
, &rlim
);
904 #endif /* HAVE_SETRLIMIT and RLIMIT_STACK */
906 /* Record (approximately) where the stack begins. */
907 stack_bottom
= &stack_bottom_variable
;
911 #ifndef SYSTEM_MALLOC
912 /* Arrange to get warning messages as memory fills up. */
913 memory_warnings (0, malloc_warning
);
915 /* Call malloc at least once, to run malloc_initialize_hook.
916 Also call realloc and free for consistency. */
917 free (realloc (malloc (4), 4));
919 #endif /* not SYSTEM_MALLOC */
921 #if defined (MSDOS) || defined (WINDOWSNT)
922 /* We do all file input/output as binary files. When we need to translate
923 newlines, we do that manually. */
925 #endif /* MSDOS || WINDOWSNT */
928 if (!isatty (fileno (stdin
)))
929 setmode (fileno (stdin
), O_BINARY
);
930 if (!isatty (fileno (stdout
)))
933 setmode (fileno (stdout
), O_BINARY
);
937 /* Skip initial setlocale if LC_ALL is "C", as it's not needed in that case.
938 The build procedure uses this while dumping, to ensure that the
939 dumped Emacs does not have its system locale tables initialized,
940 as that might cause screwups when the dumped Emacs starts up. */
942 char *lc_all
= getenv ("LC_ALL");
943 do_initial_setlocale
= ! lc_all
|| strcmp (lc_all
, "C");
946 /* Set locale now, so that initial error messages are localized properly.
947 fixup_locale must wait until later, since it builds strings. */
948 if (do_initial_setlocale
)
949 setlocale (LC_ALL
, "");
951 inhibit_window_system
= 0;
953 /* Handle the -t switch, which specifies filename to use as terminal. */
957 if (argmatch (argv
, argc
, "-t", "--terminal", 4, &term
, &skip_args
))
962 result
= emacs_open (term
, O_RDWR
, 0);
963 if (result
< 0 || fcntl (0, F_DUPFD_CLOEXEC
, 1) < 0)
965 char *errstring
= strerror (errno
);
966 fprintf (stderr
, "%s: %s: %s\n", argv
[0], term
, errstring
);
971 fprintf (stderr
, "%s: %s: not a tty\n", argv
[0], term
);
974 fprintf (stderr
, "Using %s\n", term
);
975 #ifdef HAVE_WINDOW_SYSTEM
976 inhibit_window_system
= 1; /* -t => -nw */
983 /* Command line option --no-windows is deprecated and thus not mentioned
984 in the manual and usage information. */
985 if (argmatch (argv
, argc
, "-nw", "--no-window-system", 6, NULL
, &skip_args
)
986 || argmatch (argv
, argc
, "-nw", "--no-windows", 6, NULL
, &skip_args
))
987 inhibit_window_system
= 1;
989 /* Handle the -batch switch, which means don't do interactive display. */
991 if (argmatch (argv
, argc
, "-batch", "--batch", 5, NULL
, &skip_args
))
994 Vundo_outer_limit
= Qnil
;
996 if (argmatch (argv
, argc
, "-script", "--script", 3, &junk
, &skip_args
))
998 noninteractive
= 1; /* Set batch mode. */
999 /* Convert --script to -scriptload, un-skip it, and sort again
1000 so that it will be handled in proper sequence. */
1001 /* FIXME broken for --script=FILE - is that supposed to work? */
1002 argv
[skip_args
- 1] = (char *) "-scriptload";
1004 sort_args (argc
, argv
);
1007 /* Handle the --help option, which gives a usage message. */
1008 if (argmatch (argv
, argc
, "-help", "--help", 3, NULL
, &skip_args
))
1011 printf ("Usage: %s [OPTION-OR-FILENAME]...\n", argv
[0]);
1012 for (i
= 0; i
< ARRAYELTS (usage_message
); i
++)
1013 fputs (usage_message
[i
], stdout
);
1017 /* Make sure IS_DAEMON starts up as false. */
1020 if (argmatch (argv
, argc
, "-daemon", "--daemon", 5, NULL
, &skip_args
)
1021 || argmatch (argv
, argc
, "-daemon", "--daemon", 5, &dname_arg
, &skip_args
))
1026 /* Start as a daemon: fork a new child process which will run the
1027 rest of the initialization code, then exit.
1029 Detaching a daemon requires the following steps:
1033 - close the tty file-descriptors
1035 We only want to do the last 2 steps once the daemon is ready to
1036 serve requests, i.e. after loading .emacs (initialization).
1037 OTOH initialization may start subprocesses (e.g. ispell) and these
1038 should be run from the proper process (the one that will end up
1039 running as daemon) and with the proper "session id" in order for
1040 them to keep working after detaching, so fork and setsid need to be
1041 performed before initialization.
1043 We want to avoid exiting before the server socket is ready, so
1044 use a pipe for synchronization. The parent waits for the child
1045 to close its end of the pipe (using `daemon-initialized')
1047 if (emacs_pipe (daemon_pipe
) != 0)
1049 fprintf (stderr
, "Cannot pipe!\n");
1053 #ifndef DAEMON_MUST_EXEC
1055 fprintf (stderr
, "\nWarning: due to a long standing Gtk+ bug\nhttp://bugzilla.gnome.org/show_bug.cgi?id=85715\n\
1056 Emacs might crash when run in daemon mode and the X11 connection is unexpectedly lost.\n\
1057 Using an Emacs configured with --with-x-toolkit=lucid does not have this problem.\n");
1058 #endif /* USE_GTK */
1060 #else /* DAEMON_MUST_EXEC */
1061 if (!dname_arg
|| !strchr (dname_arg
, '\n'))
1062 f
= fork (); /* in orig */
1064 f
= 0; /* in exec'd */
1065 #endif /* !DAEMON_MUST_EXEC */
1071 /* Close unused writing end of the pipe. */
1072 emacs_close (daemon_pipe
[1]);
1074 /* Just wait for the child to close its end of the pipe. */
1077 retval
= read (daemon_pipe
[0], &buf
, 1);
1079 while (retval
== -1 && errno
== EINTR
);
1083 fprintf (stderr
, "Error reading status from child\n");
1086 else if (retval
== 0)
1088 fprintf (stderr
, "Error: server did not start correctly\n");
1092 emacs_close (daemon_pipe
[0]);
1097 emacs_perror ("fork");
1098 exit (EXIT_CANCELED
);
1101 #ifdef DAEMON_MUST_EXEC
1103 /* In orig process, forked as child, OR in exec'd. */
1104 if (!dname_arg
|| !strchr (dname_arg
, '\n'))
1105 { /* In orig, child: now exec w/special daemon name. */
1108 snprintf (fdStr
, sizeof fdStr
,
1109 "--daemon=\n%d,%d\n%s", daemon_pipe
[0],
1110 daemon_pipe
[1], dname_arg
? dname_arg
: "");
1112 if (! (0 <= fdStrlen
&& fdStrlen
< sizeof fdStr
))
1114 fprintf (stderr
, "daemon: child name too long\n");
1115 exit (EXIT_CANNOT_INVOKE
);
1118 argv
[skip_args
] = fdStr
;
1120 fcntl (daemon_pipe
[0], F_SETFD
, 0);
1121 fcntl (daemon_pipe
[1], F_SETFD
, 0);
1122 execvp (argv
[0], argv
);
1123 emacs_perror (argv
[0]);
1124 exit (errno
== ENOENT
? EXIT_ENOENT
: EXIT_CANNOT_INVOKE
);
1127 /* In exec'd: parse special dname into pipe and name info. */
1128 if (!dname_arg
|| !strchr (dname_arg
, '\n')
1129 || strlen (dname_arg
) < 1 || strlen (dname_arg
) > 70)
1131 fprintf (stderr
, "emacs daemon: daemon name absent or too long\n");
1132 exit (EXIT_CANNOT_INVOKE
);
1134 dname_arg2
[0] = '\0';
1135 sscanf (dname_arg
, "\n%d,%d\n%s", &(daemon_pipe
[0]), &(daemon_pipe
[1]),
1137 dname_arg
= *dname_arg2
? dname_arg2
: NULL
;
1138 fcntl (daemon_pipe
[1], F_SETFD
, FD_CLOEXEC
);
1140 #endif /* DAEMON_MUST_EXEC */
1143 daemon_name
= xstrdup (dname_arg
);
1144 /* Close unused reading end of the pipe. */
1145 emacs_close (daemon_pipe
[0]);
1149 fprintf (stderr
, "This platform does not support the -daemon flag.\n");
1154 #if defined HAVE_PTHREAD && !defined SYSTEM_MALLOC && !defined DOUG_LEA_MALLOC
1155 # ifndef CANNOT_DUMP
1156 /* Do not make gmalloc thread-safe when creating bootstrap-emacs, as
1157 that causes an infinite recursive loop with FreeBSD. But do make
1158 it thread-safe when creating emacs, otherwise bootstrap-emacs
1159 fails on Cygwin. See Bug#14569. */
1160 if (!noninteractive
|| initialized
)
1162 malloc_enable_thread ();
1165 init_signals (dumping
);
1167 noninteractive1
= noninteractive
;
1169 /* Perform basic initializations (not merely interning symbols). */
1176 init_charset_once ();
1177 init_coding_once ();
1178 init_syntax_once (); /* Create standard syntax table. */
1179 init_category_once (); /* Create standard category table. */
1180 init_casetab_once (); /* Must be done before init_buffer_once. */
1181 init_buffer_once (); /* Create buffer table and some buffers. */
1182 init_minibuf_once (); /* Create list of minibuffers. */
1183 /* Must precede init_window_once. */
1185 /* Call syms_of_xfaces before init_window_once because that
1186 function creates Vterminal_frame. Termcap frames now use
1187 faces, and the face implementation uses some symbols as
1190 /* XXX syms_of_keyboard uses some symbols in keymap.c. It would
1191 be better to arrange things not to have this dependency. */
1193 /* Call syms_of_keyboard before init_window_once because
1194 keyboard sets up symbols that include some face names that
1195 the X support will want to use. This can happen when
1196 CANNOT_DUMP is defined. */
1197 syms_of_keyboard ();
1199 /* Called before syms_of_fileio, because it sets up Qerror_condition. */
1201 syms_of_fns (); /* Before syms_of_charset which uses hashtables. */
1203 /* Before syms_of_coding to initialize Vgc_cons_threshold. */
1205 /* May call Ffuncall and so GC, thus the latter should be initialized. */
1207 /* Before syms_of_coding because it initializes Qcharsetp. */
1209 /* Before init_window_once, because it sets up the
1210 Vcoding_system_hash_table. */
1211 syms_of_coding (); /* This should be after syms_of_fileio. */
1213 init_window_once (); /* Init the window system. */
1214 #ifdef HAVE_WINDOW_SYSTEM
1215 init_fringe_once (); /* Swap bitmaps if necessary. */
1216 #endif /* HAVE_WINDOW_SYSTEM */
1221 if (do_initial_setlocale
)
1224 Vsystem_messages_locale
= Vprevious_system_messages_locale
;
1225 Vsystem_time_locale
= Vprevious_system_time_locale
;
1230 running_asynch_code
= 0;
1234 = argmatch (argv
, argc
, "-nl", "--no-loadup", 6, NULL
, &skip_args
);
1237 = argmatch (argv
, argc
, "-nsl", "--no-site-lisp", 11, NULL
, &skip_args
);
1240 ns_pool
= ns_alloc_autorelease_pool ();
1241 #ifdef NS_IMPL_GNUSTEP
1242 /* GNUstep stupidly resets our locale settings after we made them. */
1246 if (!noninteractive
)
1248 #ifdef NS_IMPL_COCOA
1249 /* Started from GUI? */
1250 /* FIXME: Do the right thing if getenv returns NULL, or if
1252 if (! inhibit_window_system
&& ! isatty (0))
1253 chdir (getenv ("HOME"));
1254 if (skip_args
< argc
)
1256 if (!strncmp (argv
[skip_args
], "-psn", 4))
1259 chdir (getenv ("HOME"));
1261 else if (skip_args
+1 < argc
&& !strncmp (argv
[skip_args
+1], "-psn", 4))
1264 chdir (getenv ("HOME"));
1269 #endif /* HAVE_NS */
1271 #ifdef HAVE_X_WINDOWS
1272 /* Stupid kludge to catch command-line display spec. We can't
1273 handle this argument entirely in window system dependent code
1274 because we don't even know which window system dependent code
1275 to run until we've recognized this argument. */
1277 char *displayname
= 0;
1278 int count_before
= skip_args
;
1280 /* Skip any number of -d options, but only use the last one. */
1283 int count_before_this
= skip_args
;
1285 if (argmatch (argv
, argc
, "-d", "--display", 3, &displayname
, &skip_args
))
1287 else if (argmatch (argv
, argc
, "-display", 0, 3, &displayname
, &skip_args
))
1292 count_before
= count_before_this
;
1295 /* If we have the form --display=NAME,
1296 convert it into -d name.
1297 This requires inserting a new element into argv. */
1298 if (displayname
&& count_before
< skip_args
)
1300 if (skip_args
== count_before
+ 1)
1302 memmove (argv
+ count_before
+ 3, argv
+ count_before
+ 2,
1303 (argc
- (count_before
+ 2)) * sizeof *argv
);
1304 argv
[count_before
+ 2] = displayname
;
1307 argv
[count_before
+ 1] = (char *) "-d";
1312 if (argmatch (argv
, argc
, "-Q", "--quick", 3, NULL
, &skip_args
)
1313 || argmatch (argv
, argc
, "-quick", 0, 2, NULL
, &skip_args
))
1317 /* Don't actually discard this arg. */
1318 skip_args
= count_before
;
1320 #else /* !HAVE_X_WINDOWS */
1323 int count_before
= skip_args
;
1325 if (argmatch (argv
, argc
, "-Q", "--quick", 3, NULL
, &skip_args
)
1326 || argmatch (argv
, argc
, "-quick", 0, 2, NULL
, &skip_args
))
1329 skip_args
= count_before
;
1333 /* argmatch must not be used after here,
1334 except when building temacs
1335 because the -d argument has not been skipped in skip_args. */
1338 /* Call early 'cause init_environment needs it. */
1340 /* Set defaults for several environment variables. */
1342 init_environment (argc
, argv
, skip_args
);
1347 #ifdef HAVE_GFILENOTIFY
1348 globals_of_gfilenotify ();
1353 #ifdef HAVE_W32NOTIFY
1354 globals_of_w32notify ();
1356 /* Initialize environment from registry settings. */
1357 init_environment (argv
);
1358 init_ntproc (dumping
); /* must precede init_editfns. */
1361 /* Initialize and GC-protect Vinitial_environment and
1362 Vprocess_environment before set_initial_environment fills them
1365 syms_of_callproc ();
1366 /* egetenv is a pretty low-level facility, which may get called in
1367 many circumstances; it seems flimsy to put off initializing it
1368 until calling init_callproc. Do not do it when dumping. */
1370 set_initial_environment ();
1372 /* AIX crashes are reported in system versions 3.2.3 and 3.2.4
1373 if this is not done. Do it after set_global_environment so that we
1374 don't pollute Vglobal_environment. */
1375 /* Setting LANG here will defeat the startup locale processing... */
1380 /* Init buffer storage and default directory of main buffer. */
1381 init_buffer (initialized
);
1383 init_callproc_1 (); /* Must precede init_cmdargs and init_sys_modes. */
1385 /* Must precede init_lread. */
1386 init_cmdargs (argc
, argv
, skip_args
, original_pwd
);
1390 /* Erase any pre-dump messages in the message log, to avoid confusion. */
1391 Lisp_Object old_log_max
;
1392 old_log_max
= Vmessage_log_max
;
1393 XSETFASTINT (Vmessage_log_max
, 0);
1394 message_dolog ("", 0, 1, 0);
1395 Vmessage_log_max
= old_log_max
;
1398 init_callproc (); /* Must follow init_cmdargs but not init_sys_modes. */
1402 /* Check to see if Emacs has been installed correctly. */
1403 check_windows_init_file ();
1406 /* Intern the names of all standard functions and variables;
1407 define standard keys. */
1411 /* The basic levels of Lisp must come first. Note that
1412 syms_of_data and some others have already been called. */
1417 syms_of_floatfns ();
1420 syms_of_bytecode ();
1422 syms_of_casefiddle ();
1424 syms_of_category ();
1426 syms_of_character ();
1433 syms_of_filelock ();
1436 /* syms_of_keymap (); */
1444 syms_of_terminal ();
1450 syms_of_textprop ();
1451 syms_of_composite ();
1454 #endif /* WINDOWSNT */
1461 #ifdef HAVE_WINDOW_SYSTEM
1464 #endif /* HAVE_WINDOW_SYSTEM */
1465 #ifdef HAVE_X_WINDOWS
1470 syms_of_xsettings ();
1477 #endif /* HAVE_X_WINDOWS */
1484 syms_of_decompress ();
1494 #endif /* HAVE_NTGUI */
1496 #if defined WINDOWSNT || defined HAVE_NTGUI
1497 syms_of_w32select ();
1504 syms_of_win16select ();
1511 syms_of_nsselect ();
1513 #endif /* HAVE_NS */
1519 #ifdef HAVE_GFILENOTIFY
1520 syms_of_gfilenotify ();
1521 #endif /* HAVE_GFILENOTIFY */
1525 #endif /* HAVE_INOTIFY */
1528 syms_of_dbusbind ();
1529 #endif /* HAVE_DBUS */
1533 #ifdef HAVE_W32NOTIFY
1534 syms_of_w32notify ();
1535 #endif /* HAVE_W32NOTIFY */
1536 #endif /* WINDOWSNT */
1538 syms_of_profiler ();
1540 keys_of_casefiddle ();
1543 keys_of_keyboard ();
1549 /* Initialization that must be done even if the global variable
1550 initialized is non zero. */
1552 globals_of_w32font ();
1553 globals_of_w32fns ();
1554 globals_of_w32menu ();
1555 #endif /* HAVE_NTGUI */
1557 #if defined WINDOWSNT || defined HAVE_NTGUI
1558 globals_of_w32select ();
1564 init_editfns (); /* init_process_emacs uses Voperating_system_release. */
1565 init_process_emacs (); /* init_display uses add_keyboard_wait_descriptor. */
1566 init_keyboard (); /* This too must precede init_sys_modes. */
1567 if (!noninteractive
)
1568 init_display (); /* Determine terminal type. Calls init_sys_modes. */
1571 init_crit (); /* w32notify.c needs this in batch mode. */
1572 #endif /* HAVE_W32NOTIFY */
1574 #ifdef HAVE_WINDOW_SYSTEM
1576 #endif /* HAVE_WINDOW_SYSTEM */
1584 /* Handle -l loadup, args passed by Makefile. */
1585 if (argmatch (argv
, argc
, "-l", "--load", 3, &file
, &skip_args
))
1588 char file_utf8
[MAX_UTF8_PATH
];
1590 if (filename_from_ansi (file
, file_utf8
) == 0)
1593 Vtop_level
= list2 (intern_c_string ("load"),
1594 build_unibyte_string (file
));
1596 /* Unless next switch is -nl, load "loadup.el" first thing. */
1598 Vtop_level
= list2 (intern_c_string ("load"),
1599 build_string ("loadup.el"));
1606 /* If the execution TZ happens to be the same as the dump TZ,
1607 change it to some other value and then change it back,
1608 to force the underlying implementation to reload the TZ info.
1609 This is needed on implementations that load TZ info from files,
1610 since the TZ file contents may differ between dump and execution. */
1611 char *tz
= getenv ("TZ");
1612 if (tz
&& !strcmp (tz
, dump_tz
))
1622 /* Set up for profiling. This is known to work on FreeBSD,
1623 GNU/Linux and MinGW. It might work on some other systems too.
1624 Give it a try and tell us if it works on your system. To compile
1625 for profiling, use the configure option --enable-profiling. */
1626 #if defined (__FreeBSD__) || defined (GNU_LINUX) || defined (__MINGW32__)
1631 extern unsigned char etext
asm ("etext");
1637 monstartup ((uintptr_t) __executable_start
, (uintptr_t) &etext
);
1646 #ifdef LOCALTIME_CACHE
1647 /* Some versions of localtime have a bug. They cache the value of the time
1648 zone rather than looking it up every time. Since localtime() is
1649 called to bolt the undumping time into the undumped emacs, this
1650 results in localtime ignoring the TZ environment variable.
1651 This flushes the new TZ value into localtime. */
1653 #endif /* defined (LOCALTIME_CACHE) */
1655 /* Enter editor command loop. This never returns. */
1661 /* Sort the args so we can find the most important ones
1662 at the beginning of argv. */
1664 /* First, here's a table of all the standard options. */
1666 struct standard_args
1669 const char *longname
;
1674 static const struct standard_args standard_args
[] =
1676 { "-version", "--version", 150, 0 },
1677 { "-chdir", "--chdir", 130, 1 },
1678 { "-t", "--terminal", 120, 1 },
1679 { "-nw", "--no-window-system", 110, 0 },
1680 { "-nw", "--no-windows", 110, 0 },
1681 { "-batch", "--batch", 100, 0 },
1682 { "-script", "--script", 100, 1 },
1683 { "-daemon", "--daemon", 99, 0 },
1684 { "-help", "--help", 90, 0 },
1685 { "-nl", "--no-loadup", 70, 0 },
1686 { "-nsl", "--no-site-lisp", 65, 0 },
1687 /* -d must come last before the options handled in startup.el. */
1688 { "-d", "--display", 60, 1 },
1689 { "-display", 0, 60, 1 },
1690 /* Now for the options handled in `command-line' (startup.el). */
1691 /* (Note that to imply -nsl, -Q is partially handled here.) */
1692 { "-Q", "--quick", 55, 0 },
1693 { "-quick", 0, 55, 0 },
1694 { "-q", "--no-init-file", 50, 0 },
1695 { "-no-init-file", 0, 50, 0 },
1696 { "-no-site-file", "--no-site-file", 40, 0 },
1697 { "-u", "--user", 30, 1 },
1698 { "-user", 0, 30, 1 },
1699 { "-debug-init", "--debug-init", 20, 0 },
1700 { "-iconic", "--iconic", 15, 0 },
1701 { "-D", "--basic-display", 12, 0},
1702 { "-basic-display", 0, 12, 0},
1703 { "-nbc", "--no-blinking-cursor", 12, 0 },
1704 /* Now for the options handled in `command-line-1' (startup.el). */
1705 { "-nbi", "--no-bitmap-icon", 10, 0 },
1706 { "-bg", "--background-color", 10, 1 },
1707 { "-background", 0, 10, 1 },
1708 { "-fg", "--foreground-color", 10, 1 },
1709 { "-foreground", 0, 10, 1 },
1710 { "-bd", "--border-color", 10, 1 },
1711 { "-bw", "--border-width", 10, 1 },
1712 { "-ib", "--internal-border", 10, 1 },
1713 { "-ms", "--mouse-color", 10, 1 },
1714 { "-cr", "--cursor-color", 10, 1 },
1715 { "-fn", "--font", 10, 1 },
1716 { "-font", 0, 10, 1 },
1717 { "-fs", "--fullscreen", 10, 0 },
1718 { "-fw", "--fullwidth", 10, 0 },
1719 { "-fh", "--fullheight", 10, 0 },
1720 { "-mm", "--maximized", 10, 0 },
1721 { "-g", "--geometry", 10, 1 },
1722 { "-geometry", 0, 10, 1 },
1723 { "-T", "--title", 10, 1 },
1724 { "-title", 0, 10, 1 },
1725 { "-name", "--name", 10, 1 },
1726 { "-xrm", "--xrm", 10, 1 },
1727 { "-parent-id", "--parent-id", 10, 1 },
1728 { "-r", "--reverse-video", 5, 0 },
1730 { "-reverse", 0, 5, 0 },
1731 { "-hb", "--horizontal-scroll-bars", 5, 0 },
1732 { "-vb", "--vertical-scroll-bars", 5, 0 },
1733 { "-color", "--color", 5, 0},
1734 { "-no-splash", "--no-splash", 3, 0 },
1735 { "-no-desktop", "--no-desktop", 3, 0 },
1737 { "-NSAutoLaunch", 0, 5, 1 },
1738 { "-NXAutoLaunch", 0, 5, 1 },
1739 { "-_NSMachLaunch", 0, 85, 1 },
1740 { "-MachLaunch", 0, 85, 1 },
1741 { "-macosx", 0, 85, 0 },
1742 { "-NSHost", 0, 85, 1 },
1744 /* These have the same priority as ordinary file name args,
1745 so they are not reordered with respect to those. */
1746 { "-L", "--directory", 0, 1 },
1747 { "-directory", 0, 0, 1 },
1748 { "-l", "--load", 0, 1 },
1749 { "-load", 0, 0, 1 },
1750 /* This has no longname, because using --scriptload confuses sort_args,
1751 because then the --script long option seems to match twice; ie
1752 you can't have a long option which is a prefix of another long
1753 option. In any case, this is entirely an internal option. */
1754 { "-scriptload", NULL
, 0, 1 },
1755 { "-f", "--funcall", 0, 1 },
1756 { "-funcall", 0, 0, 1 },
1757 { "-eval", "--eval", 0, 1 },
1758 { "-execute", "--execute", 0, 1 },
1759 { "-find-file", "--find-file", 0, 1 },
1760 { "-visit", "--visit", 0, 1 },
1761 { "-file", "--file", 0, 1 },
1762 { "-insert", "--insert", 0, 1 },
1764 { "-NXOpen", 0, 0, 1 },
1765 { "-NXOpenTemp", 0, 0, 1 },
1766 { "-NSOpen", 0, 0, 1 },
1767 { "-NSOpenTemp", 0, 0, 1 },
1768 { "-GSFilePath", 0, 0, 1 },
1770 /* This should be processed after ordinary file name args and the like. */
1771 { "-kill", "--kill", -10, 0 },
1774 /* Reorder the elements of ARGV (assumed to have ARGC elements)
1775 so that the highest priority ones come first.
1776 Do not change the order of elements of equal priority.
1777 If an option takes an argument, keep it and its argument together.
1779 If an option that takes no argument appears more
1780 than once, eliminate all but one copy of it. */
1783 sort_args (int argc
, char **argv
)
1785 char **new = xmalloc (argc
* sizeof *new);
1786 /* For each element of argv,
1787 the corresponding element of options is:
1788 0 for an option that takes no arguments,
1789 1 for an option that takes one argument, etc.
1790 -1 for an ordinary non-option argument. */
1791 int *options
= xnmalloc (argc
, sizeof *options
);
1792 int *priority
= xnmalloc (argc
, sizeof *priority
);
1794 int incoming_used
= 1;
1798 /* Categorize all the options,
1799 and figure out which argv elts are option arguments. */
1800 for (from
= 1; from
< argc
; from
++)
1804 if (argv
[from
][0] == '-')
1808 /* If we have found "--", don't consider
1809 any more arguments as options. */
1810 if (argv
[from
][1] == '-' && argv
[from
][2] == 0)
1812 /* Leave the "--", and everything following it, at the end. */
1813 for (; from
< argc
; from
++)
1815 priority
[from
] = -100;
1821 /* Look for a match with a known old-fashioned option. */
1822 for (i
= 0; i
< ARRAYELTS (standard_args
); i
++)
1823 if (!strcmp (argv
[from
], standard_args
[i
].name
))
1825 options
[from
] = standard_args
[i
].nargs
;
1826 priority
[from
] = standard_args
[i
].priority
;
1827 if (from
+ standard_args
[i
].nargs
>= argc
)
1828 fatal ("Option `%s' requires an argument\n", argv
[from
]);
1829 from
+= standard_args
[i
].nargs
;
1833 /* Look for a match with a known long option.
1834 MATCH is -1 if no match so far, -2 if two or more matches so far,
1835 >= 0 (the table index of the match) if just one match so far. */
1836 if (argv
[from
][1] == '-')
1838 char const *equals
= strchr (argv
[from
], '=');
1840 equals
? equals
- argv
[from
] : strlen (argv
[from
]);
1844 for (i
= 0; i
< ARRAYELTS (standard_args
); i
++)
1845 if (standard_args
[i
].longname
1846 && !strncmp (argv
[from
], standard_args
[i
].longname
,
1855 /* If we found exactly one match, use that. */
1858 options
[from
] = standard_args
[match
].nargs
;
1859 priority
[from
] = standard_args
[match
].priority
;
1860 /* If --OPTION=VALUE syntax is used,
1861 this option uses just one argv element. */
1864 if (from
+ options
[from
] >= argc
)
1865 fatal ("Option `%s' requires an argument\n", argv
[from
]);
1866 from
+= options
[from
];
1868 /* FIXME When match < 0, shouldn't there be some error,
1869 or at least indication to the user that there was a
1876 /* Copy the arguments, in order of decreasing priority, to NEW. */
1878 while (incoming_used
< argc
)
1881 int best_priority
= -9999;
1883 /* Find the highest priority remaining option.
1884 If several have equal priority, take the first of them. */
1885 for (from
= 1; from
< argc
; from
++)
1887 if (argv
[from
] != 0 && priority
[from
] > best_priority
)
1889 best_priority
= priority
[from
];
1892 /* Skip option arguments--they are tied to the options. */
1893 if (options
[from
] > 0)
1894 from
+= options
[from
];
1900 /* Copy the highest priority remaining option, with its args, to NEW.
1901 Unless it is a duplicate of the previous one. */
1902 if (! (options
[best
] == 0
1903 && ! strcmp (new[to
- 1], argv
[best
])))
1905 new[to
++] = argv
[best
];
1906 for (i
= 0; i
< options
[best
]; i
++)
1907 new[to
++] = argv
[best
+ i
+ 1];
1910 incoming_used
+= 1 + (options
[best
] > 0 ? options
[best
] : 0);
1912 /* Clear out this option in ARGV. */
1914 for (i
= 0; i
< options
[best
]; i
++)
1915 argv
[best
+ i
+ 1] = 0;
1918 /* If duplicate options were deleted, fill up extra space with null ptrs. */
1922 memcpy (argv
, new, sizeof (char *) * argc
);
1929 DEFUN ("kill-emacs", Fkill_emacs
, Skill_emacs
, 0, 1, "P",
1930 doc
: /* Exit the Emacs job and kill it.
1931 If ARG is an integer, return ARG as the exit program code.
1932 If ARG is a string, stuff it as keyboard input.
1934 This function is called upon receipt of the signals SIGTERM
1935 or SIGHUP, and upon SIGINT in batch mode.
1937 The value of `kill-emacs-hook', if not void,
1938 is a list of functions (of no args),
1939 all of which are called before Emacs is actually killed. */)
1942 struct gcpro gcpro1
;
1950 /* Fsignal calls emacs_abort () if it sees that waiting_for_input is
1952 waiting_for_input
= 0;
1953 Frun_hooks (1, &Qkill_emacs_hook
);
1956 #ifdef HAVE_X_WINDOWS
1957 /* Transfer any clipboards we own to the clipboard manager. */
1958 x_clipboard_manager_save_all ();
1961 shut_down_emacs (0, STRINGP (arg
) ? arg
: Qnil
);
1964 ns_release_autorelease_pool (ns_pool
);
1967 /* If we have an auto-save list file,
1968 kill it because we are exiting Emacs deliberately (not crashing).
1969 Do it after shut_down_emacs, which does an auto-save. */
1970 if (STRINGP (Vauto_save_list_file_name
))
1972 Lisp_Object listfile
;
1973 listfile
= Fexpand_file_name (Vauto_save_list_file_name
, Qnil
);
1974 unlink (SSDATA (listfile
));
1978 exit_code
= (XINT (arg
) < 0
1979 ? XINT (arg
) | INT_MIN
1980 : XINT (arg
) & INT_MAX
);
1982 exit_code
= EXIT_SUCCESS
;
1987 /* Perform an orderly shutdown of Emacs. Autosave any modified
1988 buffers, kill any child processes, clean up the terminal modes (if
1989 we're in the foreground), and other stuff like that. Don't perform
1990 any redisplay; this may be called when Emacs is shutting down in
1991 the background, or after its X connection has died.
1993 If SIG is a signal number, print a message for it.
1995 This is called by fatal signal handlers, X protocol error handlers,
1999 shut_down_emacs (int sig
, Lisp_Object stuff
)
2001 /* Prevent running of hooks from now on. */
2004 /* Don't update display from now on. */
2005 Vinhibit_redisplay
= Qt
;
2007 /* If we are controlling the terminal, reset terminal modes. */
2010 pid_t pgrp
= getpgrp ();
2011 pid_t tpgrp
= tcgetpgrp (0);
2012 if ((tpgrp
!= -1) && tpgrp
== pgrp
)
2014 reset_all_sys_modes ();
2015 if (sig
&& sig
!= SIGTERM
)
2017 static char const format
[] = "Fatal error %d: ";
2018 char buf
[sizeof format
- 2 + INT_STRLEN_BOUND (int)];
2019 int buflen
= sprintf (buf
, format
, sig
);
2020 char const *sig_desc
= safe_strsignal (sig
);
2021 emacs_write (STDERR_FILENO
, buf
, buflen
);
2022 emacs_write (STDERR_FILENO
, sig_desc
, strlen (sig_desc
));
2028 reset_all_sys_modes ();
2031 stuff_buffered_input (stuff
);
2033 inhibit_sentinels
= 1;
2034 kill_buffer_processes (Qnil
);
2035 Fdo_auto_save (Qt
, Qnil
);
2037 unlock_all_files ();
2039 /* There is a tendency for a SIGIO signal to arrive within exit,
2040 and cause a SIGHUP because the input descriptor is already closed. */
2044 /* Do this only if terminating normally, we want glyph matrices
2045 etc. in a core dump. */
2046 if (sig
== 0 || sig
== SIGTERM
)
2048 check_glyph_memory ();
2049 check_message_stack ();
2057 ns_term_shutdown (sig
);
2061 xml_cleanup_parser ();
2075 DEFUN ("dump-emacs", Fdump_emacs
, Sdump_emacs
, 2, 2, 0,
2076 doc
: /* Dump current state of Emacs into executable file FILENAME.
2077 Take symbols from SYMFILE (presumably the file you executed to run Emacs).
2078 This is used in the file `loadup.el' when building Emacs.
2080 You must run Emacs in batch mode in order to dump it. */)
2081 (Lisp_Object filename
, Lisp_Object symfile
)
2085 ptrdiff_t count
= SPECPDL_INDEX ();
2089 if (! noninteractive
)
2090 error ("Dumping Emacs works only in batch mode");
2093 error ("Emacs can be dumped only once");
2097 /* Warn if the gap between BSS end and heap start is larger than this. */
2098 # define MAX_HEAP_BSS_DIFF (1024*1024)
2100 if (heap_bss_diff
> MAX_HEAP_BSS_DIFF
)
2102 fprintf (stderr
, "**************************************************\n");
2103 fprintf (stderr
, "Warning: Your system has a gap between BSS and the\n");
2104 fprintf (stderr
, "heap (%"pMu
" bytes). This usually means that exec-shield\n",
2106 fprintf (stderr
, "or something similar is in effect. The dump may\n");
2107 fprintf (stderr
, "fail because of this. See the section about\n");
2108 fprintf (stderr
, "exec-shield in etc/PROBLEMS for more information.\n");
2109 fprintf (stderr
, "**************************************************\n");
2111 #endif /* GNU_LINUX */
2113 /* Bind `command-line-processed' to nil before dumping,
2114 so that the dumped Emacs will process its command line
2115 and set up to work with X windows if appropriate. */
2116 symbol
= intern ("command-line-processed");
2117 specbind (symbol
, Qnil
);
2119 CHECK_STRING (filename
);
2120 filename
= Fexpand_file_name (filename
, Qnil
);
2121 filename
= ENCODE_FILE (filename
);
2122 if (!NILP (symfile
))
2124 CHECK_STRING (symfile
);
2125 if (SCHARS (symfile
))
2127 symfile
= Fexpand_file_name (symfile
, Qnil
);
2128 symfile
= ENCODE_FILE (symfile
);
2133 Vpurify_flag
= Qnil
;
2136 set_time_zone_rule (dump_tz
);
2137 #ifndef LOCALTIME_CACHE
2138 /* Force a tz reload, since set_time_zone_rule doesn't. */
2144 /* Tell malloc where start of impure now is. */
2145 /* Also arrange for warnings when nearly out of space. */
2146 #ifndef SYSTEM_MALLOC
2148 /* On Windows, this was done before dumping, and that once suffices.
2149 Meanwhile, my_edata is not valid on Windows. */
2151 extern char my_edata
[];
2152 memory_warnings (my_edata
, malloc_warning
);
2154 #endif /* not WINDOWSNT */
2155 #endif /* not SYSTEM_MALLOC */
2156 #ifdef DOUG_LEA_MALLOC
2157 malloc_state_ptr
= malloc_get_state ();
2160 unexec (SSDATA (filename
), !NILP (symfile
) ? SSDATA (symfile
) : 0);
2162 #ifdef DOUG_LEA_MALLOC
2163 free (malloc_state_ptr
);
2167 Vlibrary_cache
= Qnil
;
2169 #ifdef HAVE_WINDOW_SYSTEM
2170 reset_image_types ();
2175 return unbind_to (count
, Qnil
);
2178 #endif /* not CANNOT_DUMP */
2181 /* Recover from setlocale (LC_ALL, ""). */
2185 /* The Emacs Lisp reader needs LC_NUMERIC to be "C",
2186 so that numbers are read and printed properly for Emacs Lisp. */
2187 setlocale (LC_NUMERIC
, "C");
2190 /* Set system locale CATEGORY, with previous locale *PLOCALE, to
2193 synchronize_locale (int category
, Lisp_Object
*plocale
, Lisp_Object desired_locale
)
2195 if (! EQ (*plocale
, desired_locale
))
2197 *plocale
= desired_locale
;
2198 setlocale (category
, (STRINGP (desired_locale
)
2199 ? SSDATA (desired_locale
)
2204 /* Set system time locale to match Vsystem_time_locale, if possible. */
2206 synchronize_system_time_locale (void)
2208 synchronize_locale (LC_TIME
, &Vprevious_system_time_locale
,
2209 Vsystem_time_locale
);
2212 /* Set system messages locale to match Vsystem_messages_locale, if
2215 synchronize_system_messages_locale (void)
2218 synchronize_locale (LC_MESSAGES
, &Vprevious_system_messages_locale
,
2219 Vsystem_messages_locale
);
2222 #endif /* HAVE_SETLOCALE */
2226 decode_env_path (const char *evarname
, const char *defalt
, bool empty
)
2228 const char *path
, *p
;
2229 Lisp_Object lpath
, element
, tem
;
2230 /* Default is to use "." for empty path elements.
2231 But if argument EMPTY is true, use nil instead. */
2232 Lisp_Object empty_element
= empty
? Qnil
: build_string (".");
2235 static const char *emacs_dir_env
= "%emacs_dir%/";
2236 const size_t emacs_dir_len
= strlen (emacs_dir_env
);
2237 const char *edir
= egetenv ("emacs_dir");
2238 char emacs_dir
[MAX_UTF8_PATH
];
2240 /* egetenv looks in process-environment, which holds the variables
2241 in their original system-locale encoding. We need emacs_dir to
2244 filename_from_ansi (edir
, emacs_dir
);
2247 /* It's okay to use getenv here, because this function is only used
2248 to initialize variables when Emacs starts up, and isn't called
2251 path
= getenv (evarname
);
2262 /* Ensure values from the environment use the proper directory separator. */
2268 char *path_utf8
, *q
, *d
;
2271 /* Convert each element of PATH to UTF-8. */
2272 p
= path_copy
= alloca (strlen (path
) + 1);
2273 strcpy (path_copy
, path
);
2274 d
= path_utf8
= alloca (4 * strlen (path
) + 1);
2277 q
= _mbschr (p
, SEPCHAR
);
2280 cnv_result
= filename_from_ansi (p
, d
);
2285 /* If conversion of this PATH elements fails, make sure
2286 destination pointer will stay put, thus effectively
2287 ignoring the offending element. */
2288 if (cnv_result
== 0)
2294 else if (cnv_result
!= 0 && d
> path_utf8
)
2295 d
[-1] = '\0'; /* remove last semi-colon and null-terminate PATH */
2297 path_copy
= path_utf8
;
2299 path_copy
= alloca (strlen (path
) + 1);
2300 strcpy (path_copy
, path
);
2302 dostounix_filename (path_copy
);
2309 p
= strchr (path
, SEPCHAR
);
2311 p
= path
+ strlen (path
);
2312 element
= (p
- path
? make_unibyte_string (path
, p
- path
)
2314 if (! NILP (element
))
2317 /* Relative file names in the default path are interpreted as
2318 being relative to $emacs_dir. */
2319 if (edir
&& defaulted
2320 && strncmp (path
, emacs_dir_env
, emacs_dir_len
) == 0)
2321 element
= Fexpand_file_name (Fsubstring
2323 make_number (emacs_dir_len
),
2325 build_unibyte_string (emacs_dir
));
2328 /* Add /: to the front of the name
2329 if it would otherwise be treated as magic. */
2330 tem
= Ffind_file_name_handler (element
, Qt
);
2332 /* However, if the handler says "I'm safe",
2333 don't bother adding /:. */
2337 prop
= Fget (tem
, intern ("safe-magic"));
2343 element
= concat2 (build_string ("/:"), element
);
2344 } /* !NILP (element) */
2346 lpath
= Fcons (element
, lpath
);
2352 return Fnreverse (lpath
);
2355 DEFUN ("daemonp", Fdaemonp
, Sdaemonp
, 0, 0, 0,
2356 doc
: /* Return non-nil if the current emacs process is a daemon.
2357 If the daemon was given a name argument, return that name. */)
2362 return build_string (daemon_name
);
2369 DEFUN ("daemon-initialized", Fdaemon_initialized
, Sdaemon_initialized
, 0, 0, 0,
2370 doc
: /* Mark the Emacs daemon as being initialized.
2371 This finishes the daemonization process by doing the other half of detaching
2372 from the parent process and its tty file descriptors. */)
2379 error ("This function can only be called if emacs is run as a daemon");
2381 if (daemon_pipe
[1] < 0)
2382 error ("The daemon has already been initialized");
2384 if (NILP (Vafter_init_time
))
2385 error ("This function can only be called after loading the init files");
2387 /* Get rid of stdin, stdout and stderr. */
2388 nfd
= emacs_open ("/dev/null", O_RDWR
, 0);
2390 err
|= dup2 (nfd
, 0) < 0;
2391 err
|= dup2 (nfd
, 1) < 0;
2392 err
|= dup2 (nfd
, 2) < 0;
2393 err
|= emacs_close (nfd
) != 0;
2395 /* Closing the pipe will notify the parent that it can exit.
2396 FIXME: In case some other process inherited the pipe, closing it here
2397 won't notify the parent because it's still open elsewhere, so we
2398 additionally send a byte, just to make sure the parent really exits.
2399 Instead, we should probably close the pipe in start-process and
2400 call-process to make sure the pipe is never inherited by
2402 err
|= write (daemon_pipe
[1], "\n", 1) < 0;
2403 err
|= emacs_close (daemon_pipe
[1]) != 0;
2404 /* Set it to an invalid value so we know we've already run this function. */
2405 daemon_pipe
[1] = -1;
2408 error ("I/O error during daemon initialization");
2413 syms_of_emacs (void)
2415 DEFSYM (Qfile_name_handler_alist
, "file-name-handler-alist");
2416 DEFSYM (Qrisky_local_variable
, "risky-local-variable");
2417 DEFSYM (Qkill_emacs
, "kill-emacs");
2418 DEFSYM (Qkill_emacs_hook
, "kill-emacs-hook");
2421 defsubr (&Sdump_emacs
);
2424 defsubr (&Skill_emacs
);
2426 defsubr (&Sinvocation_name
);
2427 defsubr (&Sinvocation_directory
);
2428 defsubr (&Sdaemonp
);
2429 defsubr (&Sdaemon_initialized
);
2431 DEFVAR_LISP ("command-line-args", Vcommand_line_args
,
2432 doc
: /* Args passed by shell to Emacs, as a list of strings.
2433 Many arguments are deleted from the list as they are processed. */);
2435 DEFVAR_LISP ("system-type", Vsystem_type
,
2436 doc
: /* The value is a symbol indicating the type of operating system you are using.
2438 `gnu' compiled for a GNU Hurd system.
2439 `gnu/linux' compiled for a GNU/Linux system.
2440 `gnu/kfreebsd' compiled for a GNU system with a FreeBSD kernel.
2441 `darwin' compiled for Darwin (GNU-Darwin, Mac OS X, ...).
2442 `ms-dos' compiled as an MS-DOS application.
2443 `windows-nt' compiled as a native W32 application.
2444 `cygwin' compiled using the Cygwin library.
2445 Anything else (in Emacs 24.1, the possibilities are: aix, berkeley-unix,
2446 hpux, irix, usg-unix-v) indicates some sort of Unix system. */);
2447 Vsystem_type
= intern_c_string (SYSTEM_TYPE
);
2448 /* See configure.ac (and config.nt) for the possible SYSTEM_TYPEs. */
2450 DEFVAR_LISP ("system-configuration", Vsystem_configuration
,
2451 doc
: /* Value is string indicating configuration Emacs was built for.
2452 On MS-Windows, the value reflects the OS flavor and version on which
2453 Emacs is running. */);
2454 Vsystem_configuration
= build_string (EMACS_CONFIGURATION
);
2456 DEFVAR_LISP ("system-configuration-options", Vsystem_configuration_options
,
2457 doc
: /* String containing the configuration options Emacs was built with. */);
2458 Vsystem_configuration_options
= build_string (EMACS_CONFIG_OPTIONS
);
2460 DEFVAR_LISP ("system-configuration-features", Vsystem_configuration_features
,
2461 doc
: /* String listing some of the main features this Emacs was compiled with.
2462 An element of the form \"FOO\" generally means that HAVE_FOO was
2463 defined during the build. */);
2464 Vsystem_configuration_features
= build_string (EMACS_CONFIG_FEATURES
);
2466 DEFVAR_BOOL ("noninteractive", noninteractive1
,
2467 doc
: /* Non-nil means Emacs is running without interactive terminal. */);
2469 DEFVAR_LISP ("kill-emacs-hook", Vkill_emacs_hook
,
2470 doc
: /* Hook run when `kill-emacs' is called.
2471 Since `kill-emacs' may be invoked when the terminal is disconnected (or
2472 in other similar situations), functions placed on this hook should not
2473 expect to be able to interact with the user. To ask for confirmation,
2474 see `kill-emacs-query-functions' instead.
2476 Before Emacs 24.1, the hook was not run in batch mode, i.e., if
2477 `noninteractive' was non-nil. */);
2478 Vkill_emacs_hook
= Qnil
;
2480 DEFVAR_LISP ("path-separator", Vpath_separator
,
2481 doc
: /* String containing the character that separates directories in
2482 search paths, such as PATH and other similar environment variables. */);
2485 Vpath_separator
= make_string (&c
, 1);
2488 DEFVAR_LISP ("invocation-name", Vinvocation_name
,
2489 doc
: /* The program name that was used to run Emacs.
2490 Any directory names are omitted. */);
2492 DEFVAR_LISP ("invocation-directory", Vinvocation_directory
,
2493 doc
: /* The directory in which the Emacs executable was found, to run it.
2494 The value is nil if that directory's name is not known. */);
2496 DEFVAR_LISP ("installation-directory", Vinstallation_directory
,
2497 doc
: /* A directory within which to look for the `lib-src' and `etc' directories.
2498 In an installed Emacs, this is normally nil. It is non-nil if
2499 both `lib-src' (on MS-DOS, `info') and `etc' directories are found
2500 within the variable `invocation-directory' or its parent. For example,
2501 this is the case when running an uninstalled Emacs executable from its
2502 build directory. */);
2503 Vinstallation_directory
= Qnil
;
2505 DEFVAR_LISP ("system-messages-locale", Vsystem_messages_locale
,
2506 doc
: /* System locale for messages. */);
2507 Vsystem_messages_locale
= Qnil
;
2509 DEFVAR_LISP ("previous-system-messages-locale",
2510 Vprevious_system_messages_locale
,
2511 doc
: /* Most recently used system locale for messages. */);
2512 Vprevious_system_messages_locale
= Qnil
;
2514 DEFVAR_LISP ("system-time-locale", Vsystem_time_locale
,
2515 doc
: /* System locale for time. */);
2516 Vsystem_time_locale
= Qnil
;
2518 DEFVAR_LISP ("previous-system-time-locale", Vprevious_system_time_locale
,
2519 doc
: /* Most recently used system locale for time. */);
2520 Vprevious_system_time_locale
= Qnil
;
2522 DEFVAR_LISP ("before-init-time", Vbefore_init_time
,
2523 doc
: /* Value of `current-time' before Emacs begins initialization. */);
2524 Vbefore_init_time
= Qnil
;
2526 DEFVAR_LISP ("after-init-time", Vafter_init_time
,
2527 doc
: /* Value of `current-time' after loading the init files.
2528 This is nil during initialization. */);
2529 Vafter_init_time
= Qnil
;
2531 DEFVAR_BOOL ("inhibit-x-resources", inhibit_x_resources
,
2532 doc
: /* If non-nil, X resources, Windows Registry settings, and NS defaults are not used. */);
2533 inhibit_x_resources
= 0;
2535 DEFVAR_LISP ("emacs-copyright", Vemacs_copyright
,
2536 doc
: /* Short copyright string for this version of Emacs. */);
2537 Vemacs_copyright
= build_string (emacs_copyright
);
2539 DEFVAR_LISP ("emacs-version", Vemacs_version
,
2540 doc
: /* Version numbers of this version of Emacs. */);
2541 Vemacs_version
= build_string (emacs_version
);
2543 DEFVAR_LISP ("report-emacs-bug-address", Vreport_emacs_bug_address
,
2544 doc
: /* Address of mailing list for GNU Emacs bugs. */);
2545 Vreport_emacs_bug_address
= build_string (emacs_bugreport
);
2547 DEFVAR_LISP ("dynamic-library-alist", Vdynamic_library_alist
,
2548 doc
: /* Alist of dynamic libraries vs external files implementing them.
2549 Each element is a list (LIBRARY FILE...), where the car is a symbol
2550 representing a supported external library, and the rest are strings giving
2551 alternate filenames for that library.
2553 Emacs tries to load the library from the files in the order they appear on
2554 the list; if none is loaded, the running session of Emacs won't have access
2557 Note that image types `pbm' and `xbm' do not need entries in this variable
2558 because they do not depend on external libraries and are always available.
2560 Also note that this is not a generic facility for accessing external
2561 libraries; only those already known by Emacs will be loaded. */);
2562 Vdynamic_library_alist
= Qnil
;
2563 Fput (intern_c_string ("dynamic-library-alist"), Qrisky_local_variable
, Qt
);
2566 Vlibrary_cache
= Qnil
;
2567 staticpro (&Vlibrary_cache
);