/* Fully extensible Emacs, running on Unix, intended for GNU.
- Copyright (C) 1985,86,87,93,94,95,97,1998 Free Software Foundation, Inc.
+ Copyright (C) 1985,86,87,93,94,95,97,98,1999 Free Software Foundation, Inc.
This file is part of GNU Emacs.
Boston, MA 02111-1307, USA. */
+#include <config.h>
#include <signal.h>
#include <errno.h>
-
-#include <config.h>
#include <stdio.h>
#include <sys/types.h>
#include <ssdef.h>
#endif
+#ifdef HAVE_UNISTD_H
+#include <unistd.h>
+#endif
+
#ifdef BSD_SYSTEM
#include <sys/ioctl.h>
#endif
#include "blockinput.h"
#include "syssignal.h"
#include "process.h"
+#include "termhooks.h"
#include "keyboard.h"
+#ifdef HAVE_SETLOCALE
+#include <locale.h>
+#endif
+
#ifdef HAVE_SETRLIMIT
#include <sys/time.h>
#include <sys/resource.h>
extern void malloc_warning ();
extern void set_time_zone_rule ();
extern char *index ();
-extern char *strerror ();
+
+/* Make these values available in GDB, which doesn't see macros. */
+
+EMACS_INT gdb_valbits = VALBITS;
+EMACS_INT gdb_gctypebits = GCTYPEBITS;
+EMACS_INT gdb_emacs_intbits = sizeof (EMACS_INT) * BITS_PER_CHAR;
+#ifdef DATA_SEG_BITS
+EMACS_INT gdb_data_seg_bits = DATA_SEG_BITS;
+#else
+EMACS_INT gdb_data_seg_bits = 0;
+#endif
+EMACS_INT PVEC_FLAG = PSEUDOVECTOR_FLAG;
/* Command line args from shell, as list of strings */
Lisp_Object Vcommand_line_args;
extern void *malloc_get_state ();
/* From glibc, a routine that overwrites the malloc internal state. */
extern void malloc_set_state ();
+/* Non-zero if the MALLOC_CHECK_ enviroment variable was set while
+ dumping. Used to work around a bug in glibc's malloc. */
+int malloc_using_checking;
#endif
/* Variable whose value is symbol giving operating system type. */
Lisp_Object Qfile_name_handler_alist;
+/* Current and previous system locales for messages and time. */
+Lisp_Object Vsystem_messages_locale;
+Lisp_Object Vprevious_system_messages_locale;
+Lisp_Object Vsystem_time_locale;
+Lisp_Object Vprevious_system_time_locale;
+
/* If non-zero, emacs should not attempt to use an window-specific code,
but instead should use the virtual terminal under which it was started */
int inhibit_window_system;
static void sort_args ();
void syms_of_emacs ();
+
+#define USAGE1 "\
+Usage: %s [OPTION-OR-FILENAME]...\n\
+\n\
+Run Emacs, the extensible, customizable, self-documenting real-time\n\
+display editor. The recommended way to start Emacs for normal editing\n\
+is with no options at all.\n\
+\n\
+Run M-x info RET m emacs RET m command arguments RET inside Emacs to\n\
+read the main documentation for these command-line arguments.\n\
+\n\
+Initialization options:\n\
+\n\
+--batch do not do interactive display; implies -q\n\
+--debug-init enable Emacs Lisp debugger during init file\n\
+--help display this help message and exit\n\
+--multibyte, --no-unibyte run Emacs in multibyte mode\n\
+--no-init-file, -q load neither ~/.emacs nor default.el\n\
+--no-shared-memory, -nl do not use shared memory\n\
+--no-site-file do not load site-start.el\n\
+--no-windows, -nw don't communicate with X, ignoring $DISPLAY\n\
+--terminal, -t DEVICE use DEVICE for terminal I/O\n\
+--unibyte, --no-multibyte run Emacs in unibyte mode\n\
+--user, -u USER load ~USER/.emacs instead of your own\n\
+--version display version information and exit\n\
+\n\
+Action options:\n\
+\n\
+FILE visit FILE using find-file\n\
++LINENUM FILE visit FILE using find-file, then go to line LINENUM\n\
+--directory, -L DIR add DIR to variable load-path\n\
+--eval EXPR evaluate Emacs Lisp expression EXPR\n\
+--execute EXPR evaluate Emacs Lisp expression EXPR\n\
+--find-file FILE visit FILE\n\
+--funcall, -f FUNC call Emacs function FUNC with no arguments\n\
+--insert FILE insert contents of FILE into current buffer\n\
+--kill exit without asking for confirmation\n\
+--load, -l FILE load FILE of Emacs Lisp code using the load function\n\
+--visit FILE visit FILE\n\
+\n"
+
+#define USAGE2 "\
+Display options:\n\
+\n\
+--background-color, -bg COLOR window background color\n\
+--border-color, -bd COLOR main border color\n\
+--border-width, -bw WIDTH width of main border\n\
+--cursor-color, -cr COLOR color of the Emacs cursor indicating point\n\
+--display, -d DISPLAY use X server DISPLAY\n\
+--font, -fn FONT default font; must be fixed-widthp\n\
+--foreground-color, -fg COLOR window foreground color\n\
+--geometry, -g GEOMETRY window geometry\n\
+--iconic start Emacs in iconified state\n\
+--icon-type, -i use picture of gnu for Emacs icon\n\
+--internal-border, -ib WIDTH width between text and main border\n\
+--mouse-color, -ms COLOR mouse cursor color in Emacs window\n\
+--name NAME title of main Emacs window\n\
+--reverse-video, -r, -rv switch foreground and background\n\
+--title, -T, -wn, TITLE title for Emacs windows\n\
+--vertical-scroll-bars, -vb enable vertical scroll bars\n\
+--xrm XRESOURCES set additional X resources\n\
+\n\
+You can generally also specify long option names with a single -; for\n\
+example, -batch as well as --batch. You can use any unambiguous\n\
+abbreviation for a --option.\n\
+\n\
+Various environment variables and window system resources also affect\n\
+Emacs' operation. See the main documentation.\n\
+\n\
+Report bugs to bug-gnu-emacs@gnu.org. First, please see the Bugs\n\
+section of the Emacs manual or the file BUGS.\n"
+
\f
/* Signal code for the fatal signal that was received */
int fatal_error_code;
int fatal_error_in_progress;
#ifdef SIGUSR1
-int SIGUSR1_in_progress=0;
SIGTYPE
handle_USR1_signal (sig)
int sig;
{
- if (! SIGUSR1_in_progress)
- {
- SIGUSR1_in_progress = 1;
-
- if (!NILP (Vrun_hooks) && !noninteractive)
- call1 (Vrun_hooks, intern ("signal-USR1-hook"));
-
- SIGUSR1_in_progress = 0;
- }
+ struct input_event buf;
+
+ buf.kind = user_signal;
+ buf.code = 0;
+ buf.frame_or_window = selected_frame;
+ buf.modifiers = 0;
+ buf.timestamp = 0;
+
+ kbd_buffer_store_event (&buf);
}
+#endif /* SIGUSR1 */
#ifdef SIGUSR2
-int SIGUSR2_in_progress=0;
SIGTYPE
handle_USR2_signal (sig)
int sig;
{
- if (! SIGUSR2_in_progress)
- {
- SIGUSR2_in_progress = 1;
-
- if (!NILP (Vrun_hooks) && !noninteractive)
- call1 (Vrun_hooks, intern ("signal-USR2-hook"));
-
- SIGUSR2_in_progress = 0;
- }
+ struct input_event buf;
+
+ buf.kind = user_signal;
+ buf.code = 1;
+ buf.frame_or_window = selected_frame;
+ buf.modifiers = 0;
+ buf.timestamp = 0;
+
+ kbd_buffer_store_event (&buf);
}
-#endif
-#endif
+#endif /* SIGUSR2 */
/* Handle bus errors, illegal instruction, etc. */
SIGTYPE
MSDOS has its own definition on msdos.c */
#if ! defined (DOS_NT) && ! defined (NO_ABORT)
-void
+
+#ifndef ABORT_RETURN_TYPE
+#define ABORT_RETURN_TYPE void
+#endif
+
+ABORT_RETURN_TYPE
abort ()
{
kill (getpid (), SIGABRT);
}
}
+#ifdef DOUG_LEA_MALLOC
+
+/* malloc can be invoked even before main (e.g. by the dynamic
+ linker), so the dumped malloc state must be restored as early as
+ possible using this special hook. */
+
+static void
+malloc_initialize_hook ()
+{
+ extern char **environ;
+
+ if (initialized)
+ {
+ if (!malloc_using_checking)
+ /* Work around a bug in glibc's malloc. MALLOC_CHECK_ must be
+ ignored if the heap to be restored was constructed without
+ malloc checking. Can't use unsetenv, since that calls malloc. */
+ {
+ char **p;
+
+ for (p = environ; *p; p++)
+ if (strncmp (*p, "MALLOC_CHECK_=", 14) == 0)
+ {
+ do
+ *p = p[1];
+ while (*++p);
+ break;
+ }
+ }
+
+ malloc_set_state (malloc_state_ptr);
+ free (malloc_state_ptr);
+ }
+ else
+ malloc_using_checking = getenv ("MALLOC_CHECK_") != NULL;
+}
+
+void (*__malloc_initialize_hook) () = malloc_initialize_hook;
+
+#endif /* DOUG_LEA_MALLOC */
+
/* ARGSUSED */
int
main (argc, argv, envp)
char **envp;
{
char stack_bottom_variable;
+ int do_initial_setlocale;
int skip_args = 0;
extern int errno;
extern int sys_nerr;
__sbrk (1);
#endif
-#ifdef DOUG_LEA_MALLOC
- if (initialized)
- {
- malloc_set_state (malloc_state_ptr);
- free (malloc_state_ptr);
- }
-#endif
-
#ifdef RUN_TIME_REMAP
if (initialized)
run_time_remap (argv[0]);
else
{
printf ("GNU Emacs %s\n", XSTRING (tem)->data);
- printf ("Copyright (C) 1998 Free Software Foundation, Inc.\n");
+ printf ("Copyright (C) 1999 Free Software Foundation, Inc.\n");
printf ("GNU Emacs comes with ABSOLUTELY NO WARRANTY.\n");
printf ("You may redistribute copies of Emacs\n");
printf ("under the terms of the GNU General Public License.\n");
/* Arrange to get warning messages as memory fills up. */
memory_warnings (0, malloc_warning);
- /* Call malloc at least once, to run the initial __malloc_hook. */
- malloc (4);
+ /* Call malloc at least once, to run the initial __malloc_hook.
+ Also call realloc and free for consistency. */
+ free (realloc (malloc (4), 4));
/* Arrange to disable interrupt input inside malloc etc. */
uninterrupt_malloc ();
setuid (getuid ());
#endif /* SET_EMACS_PRIORITY */
+ /* Skip initial setlocale if LC_ALL is "C", as it's not needed in that case.
+ The build procedure uses this while dumping, to ensure that the
+ dumped Emacs does not have its system locale tables initialized,
+ as that might cause screwups when the dumped Emacs starts up. */
+ {
+ char *lc_all = getenv ("LC_ALL");
+ do_initial_setlocale = ! lc_all || strcmp (lc_all, "C");
+ }
+
+ /* Set locale now, so that initial error messages are localized properly.
+ fixup_locale must wait until later, since it builds strings. */
+ if (do_initial_setlocale)
+ setlocale (LC_ALL, "");
+
#ifdef EXTRA_INITIALIZE
EXTRA_INITIALIZE;
#endif
if (argmatch (argv, argc, "-t", "--terminal", 4, &term, &skip_args))
{
int result;
- close (0);
- close (1);
- result = open (term, O_RDWR, 2 );
+ emacs_close (0);
+ emacs_close (1);
+ result = emacs_open (term, O_RDWR, 0);
if (result < 0)
{
char *errstring = strerror (errno);
/* Handle the --help option, which gives a usage message.. */
if (argmatch (argv, argc, "-help", "--help", 3, NULL, &skip_args))
{
- printf ("\
-Usage: %s [--batch] [-t term] [--terminal term]\n\
- [-d display] [--display display] [-nw] [--no-windows]\n\
- [-q] [--no-init-file] [-u user] [--user user] [--debug-init]\n\
- [--unibyte] [--multibyte] [--version] [--no-site-file]\n\
- [-f func] [--funcall func] [-l file] [--load file] [--eval expr]\n\
- [--insert file] [+linenum] file-to-visit [--kill]\n\
-Report bugs to bug-gnu-emacs@gnu.org. First, please see\n\
-the Bugs section of the Emacs manual or the file BUGS.\n", argv[0]);
+ printf (USAGE1, argv[0]);
+ printf (USAGE2);
exit (0);
}
#endif
}
-#ifdef POSIX_SIGNALS
init_signals ();
-#endif
/* Don't catch SIGHUP if dumping. */
if (1
init_casetab_once ();
init_buffer_once (); /* Create buffer table and some buffers */
init_minibuf_once (); /* Create list of minibuffers */
- /* Must precede init_window_once */
+ /* Must precede init_window_once */
+
+ /* Call syms_of_xfaces before init_window_once because that
+ function creates Vterminal_frame. Termcap frames now use
+ faces, and the face implementation uses some symbols as
+ face names. */
+#ifndef HAVE_NTGUI
+ syms_of_xfaces ();
+#endif
+
init_window_once (); /* Init the window system */
init_fileio_once (); /* Must precede any path manipulation. */
}
init_alloc ();
+
+ if (do_initial_setlocale)
+ {
+ fixup_locale ();
+ Vsystem_messages_locale = Vprevious_system_messages_locale;
+ Vsystem_time_locale = Vprevious_system_time_locale;
+ }
+
init_eval ();
init_coding ();
init_data ();
+#ifdef CLASH_DETECTION
+ init_filelock ();;
+#endif
+ init_atimer ();
running_asynch_code = 0;
/* Handle --unibyte and the EMACS_UNIBYTE envvar,
buffers and strings. We need to handle this before calling
init_lread, init_editfns and other places that generate Lisp strings
from text in the environment. */
+ /* Actually this shouldn't be needed as of 20.4 in a generally
+ unibyte environment. As handa says, environment values
+ aren't now decoded; also existing buffers are now made
+ unibyte during startup if .emacs sets unibyte. Tested with
+ 8-bit data in environment variables and /etc/passwd, setting
+ unibyte and Latin-1 in .emacs. -- Dave Love */
if (argmatch (argv, argc, "-unibyte", "--unibyte", 4, NULL, &skip_args)
|| argmatch (argv, argc, "-no-multibyte", "--no-multibyte", 4, NULL, &skip_args)
|| (getenv ("EMACS_UNIBYTE") && !inhibit_unibyte))
}
for (tail = Vbuffer_alist; CONSP (tail);
- tail = XCONS (tail)->cdr)
+ tail = XCDR (tail))
{
Lisp_Object buffer;
- buffer = Fcdr (XCONS (tail)->car);
+ buffer = Fcdr (XCAR (tail));
/* Verify that all buffers are empty now, as they
ought to be. */
if (BUF_Z (XBUFFER (buffer)) > BUF_BEG (XBUFFER (buffer)))
to run until we've recognized this argument. */
{
char *displayname = 0;
- int i;
int count_before = skip_args;
/* Skip any number of -d options, but only use the last one. */
#ifdef WINDOWSNT
/* Initialize environment from registry settings. */
- init_environment ();
+ init_environment (argv);
init_ntproc (); /* must precede init_editfns */
#endif
/* AIX crashes are reported in system versions 3.2.3 and 3.2.4
if this is not done. Do it after set_process_environment so that we
don't pollute Vprocess_environment. */
-#ifdef AIX
+ /* Setting LANG here will defeat the startup locale processing... */
+#ifdef AIX3_2
putenv ("LANG=C");
#endif
syms_of_syntax ();
syms_of_term ();
syms_of_undo ();
+#ifdef HAVE_SOUND
+ syms_of_sound ();
+#endif
- /* Only defined if Emacs is compiled with USE_TEXT_PROPERTIES */
syms_of_textprop ();
+ syms_of_composite ();
#ifdef VMS
syms_of_vmsproc ();
#endif /* VMS */
#endif /* HAVE_X_WINDOWS */
#ifndef HAVE_NTGUI
- syms_of_xfaces ();
syms_of_xmenu ();
#endif
init_vmsproc (); /* And this too. */
#endif /* VMS */
init_sys_modes (); /* Init system terminal modes (RAW or CBREAK, etc.) */
+#ifdef HAVE_X_WINDOWS
+ init_xfns ();
+#endif /* HAVE_X_WINDOWS */
+ init_fns ();
init_xdisp ();
init_macros ();
init_editfns ();
-#ifdef LISP_FLOAT_TYPE
init_floatfns ();
-#endif
#ifdef VMS
init_vmsfns ();
#endif /* VMS */
init_process ();
+#ifdef HAVE_SOUND
+ init_sound ();
+#endif
if (!initialized)
{
/* Gerd Moellmann <gerd@acm.org> says this makes profiling work on
FreeBSD. It might work on some other systems too.
Give it a try and tell me if it works on your system. */
-#ifdef __FreeBSD__
+#if defined (__FreeBSD__) || defined (__linux)
#ifdef PROFILING
if (initialized)
{
extern void _mcleanup ();
extern char etext;
- extern Lisp_Object Fredraw_frame ();
+ extern void safe_bcopy ();
+ extern void dump_opcode_frequencies ();
+
atexit (_mcleanup);
- /* This uses Fredraw_frame because that function
- comes first in the Emacs executable.
- It might be better to use something that gives
- the start of the text segment, but start_of_text
- is not defined on all systems now. */
- monstartup (Fredraw_frame, &etext);
+ // atexit (dump_opcode_frequencies);
+ /* This uses safe_bcopy because that function comes first in the
+ Emacs executable. It might be better to use something that
+ gives the start of the text segment, but start_of_text is not
+ defined on all systems now. */
+ monstartup (safe_bcopy, &etext);
}
else
moncontrol (0);
{ "-f", "--funcall", 0, 1 },
{ "-funcall", 0, 0, 1 },
{ "-eval", "--eval", 0, 1 },
+ { "-execute", "--execute", 0, 1 },
{ "-find-file", "--find-file", 0, 1 },
{ "-visit", "--visit", 0, 1 },
+ { "-file", "--file", 0, 1 },
{ "-insert", "--insert", 0, 1 },
/* This should be processed after ordinary file name args and the like. */
{ "-kill", "--kill", -10, 0 },
int incoming_used = 1;
int from;
int i;
- int end_of_options = argc;
/* Categorize all the options,
and figure out which argv elts are option arguments. */
(arg)
Lisp_Object arg;
{
- Lisp_Object hook, hook1;
- int i;
struct gcpro gcpro1;
GCPRO1 (arg);
term_ntproc ();
#endif
+ check_glyph_memory ();
+ check_message_stack ();
+
#ifdef MSDOS
dos_cleanup ();
#endif
#endif /* not CANNOT_DUMP */
\f
+#if HAVE_SETLOCALE
+/* Recover from setlocale (LC_ALL, ""). */
+void
+fixup_locale ()
+{
+ /* The Emacs Lisp reader needs LC_NUMERIC to be "C",
+ so that numbers are read and printed properly for Emacs Lisp. */
+ setlocale (LC_NUMERIC, "C");
+}
+
+/* Set system locale CATEGORY, with previous locale *PLOCALE, to
+ DESIRED_LOCALE. */
+static void
+synchronize_locale (category, plocale, desired_locale)
+ int category;
+ Lisp_Object *plocale;
+ Lisp_Object desired_locale;
+{
+ if (! EQ (*plocale, desired_locale))
+ {
+ *plocale = desired_locale;
+ setlocale (category, (STRINGP (desired_locale)
+ ? (char *)(XSTRING (desired_locale)->data)
+ : ""));
+ }
+}
+
+/* Set system time locale to match Vsystem_time_locale, if possible. */
+void
+synchronize_system_time_locale ()
+{
+ synchronize_locale (LC_TIME, &Vprevious_system_time_locale,
+ Vsystem_time_locale);
+}
+
+/* Set system messages locale to match Vsystem_messages_locale, if
+ possible. */
+void
+synchronize_system_messages_locale ()
+{
+#ifdef LC_MESSAGES
+ synchronize_locale (LC_MESSAGES, &Vprevious_system_messages_locale,
+ Vsystem_messages_locale);
+#endif
+}
+#endif /* HAVE_SETLOCALE */
+\f
#ifndef SEPCHAR
#define SEPCHAR ':'
#endif
installed locations, but we can find them\n\
near where the Emacs executable was found.");
Vinstallation_directory = Qnil;
+
+ DEFVAR_LISP ("system-messages-locale", &Vsystem_messages_locale,
+ "System locale for messages.");
+ Vsystem_messages_locale = Qnil;
+
+ DEFVAR_LISP ("previous-system-messages-locale",
+ &Vprevious_system_messages_locale,
+ "Most recently used system locale for messages.");
+ Vprevious_system_messages_locale = Qnil;
+
+ DEFVAR_LISP ("system-time-locale", &Vsystem_time_locale,
+ "System locale for time.");
+ Vsystem_time_locale = Qnil;
+
+ DEFVAR_LISP ("previous-system-time-locale", &Vprevious_system_time_locale,
+ "Most recently used system locale for time.");
+ Vprevious_system_time_locale = Qnil;
}
HCoop / bpt / emacs.git / blobdiff