/* Fully extensible Emacs, running on Unix, intended for GNU.
- Copyright (C) 1985,86,87,93,94,95,97,98,1999,2001,02,03,2004
- Free Software Foundation, Inc.
+ Copyright (C) 1985, 1986, 1987, 1993, 1994, 1995, 1997, 1998, 1999,
+ 2001, 2002, 2003, 2004, 2005, 2006 Free Software Foundation, Inc.
This file is part of GNU Emacs.
You should have received a copy of the GNU General Public License
along with GNU Emacs; see the file COPYING. If not, write to
-the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
-Boston, MA 02111-1307, USA. */
+the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
+Boston, MA 02110-1301, USA. */
#include <config.h>
#ifdef WINDOWSNT
#include <fcntl.h>
+#include <windows.h> /* just for w32.h */
+#include "w32.h"
+#include "w32heap.h" /* for prototype of sbrk */
#endif
#include "lisp.h"
#include <sys/resource.h>
#endif
+#ifdef HAVE_PERSONALITY_LINUX32
+#include <sys/personality.h>
+#endif
+
#ifndef O_RDWR
#define O_RDWR 2
#endif
#endif
EMACS_INT PVEC_FLAG = PSEUDOVECTOR_FLAG;
EMACS_INT gdb_array_mark_flag = ARRAY_MARK_FLAG;
+/* GDB might say "No enum type named pvec_type" if we don't have at
+ least one symbol with that type, and then xbacktrace could fail. */
+enum pvec_type gdb_pvec_type = PVEC_TYPE_MASK;
/* Command line args from shell, as list of strings. */
Lisp_Object Vcommand_line_args;
/* An empty lisp string. To avoid having to build any other. */
Lisp_Object empty_string;
-#ifdef SIGUSR1
-/* Hooks for signal USR1 and USR2 handling. */
-Lisp_Object Vsignal_USR1_hook;
-#ifdef SIGUSR2
-Lisp_Object Vsignal_USR2_hook;
-#endif
-#endif
-
/* Search path separator. */
Lisp_Object Vpath_separator;
/* From glibc, a routine that returns a copy of the malloc internal state. */
extern void *malloc_get_state ();
/* From glibc, a routine that overwrites the malloc internal state. */
-extern void malloc_set_state ();
+extern int 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;
Tells GC how to save a copy of the stack. */
char *stack_bottom;
+/* The address where the heap starts (from the first sbrk (0) call). */
+static void *my_heap_start;
+
+/* The gap between BSS end and heap start as far as we can tell. */
+static unsigned long heap_bss_diff;
+
+/* If the gap between BSS end and heap start is larger than this we try to
+ work around it, and if that fails, output a warning in dump-emacs. */
+#define MAX_HEAP_BSS_DIFF (1024*1024)
+
+
#ifdef HAVE_WINDOW_SYSTEM
extern Lisp_Object Vwindow_system;
#endif /* HAVE_WINDOW_SYSTEM */
extern Lisp_Object Vauto_save_list_file_name;
+extern Lisp_Object Vinhibit_redisplay;
+
#ifdef USG_SHARED_LIBRARIES
/* If nonzero, this is the place to put the end of the writable segment
at startup. */
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\
+Run M-x info RET m emacs RET m emacs invocation RET inside Emacs to\n\
read the main documentation for these command-line arguments.\n\
\n\
Initialization options:\n\
--no-shared-memory, -nl do not use shared memory\n\
--no-site-file do not load site-start.el\n\
--no-splash do not display a splash screen on startup\n\
---no-window-system, -nw don't communicate with X, ignoring $DISPLAY\n\
+--no-window-system, -nw do not communicate with X, ignoring $DISPLAY\n\
+--quick, -Q equivalent to -q --no-site-file --no-splash\n\
--script FILE run FILE as an Emacs Lisp script\n\
--terminal, -t DEVICE use DEVICE for terminal I/O\n\
--unibyte, --no-multibyte run Emacs in unibyte mode\n\
Display options:\n\
\n\
--background-color, -bg COLOR window background color\n\
+--basic-display, -D disable many display features;\n\
+ used for debugging Emacs\n\
--border-color, -bd COLOR main border color\n\
--border-width, -bw WIDTH width of main border\n\
---color MODE color mode for character terminals;\n\
+--color, --color=MODE color mode for character terminals;\n\
MODE defaults to `auto', and can also\n\
be `never', `auto', `always',\n\
or a mode name like `ansi8'\n\
--fullscreen, -fs make first frame fullscreen\n\
--fullwidth, -fw make the first frame wide as the screen\n\
--geometry, -g GEOMETRY window geometry\n\
---horizontal-scroll-bars, -hb enable horizontal scroll bars\n\
---icon-type, -i use picture of gnu for Emacs icon\n\
+--no-bitmap-icon, -nbi do not use picture of gnu for Emacs icon\n\
--iconic start Emacs in iconified state\n\
--internal-border, -ib WIDTH width between text and main border\n\
--line-spacing, -lsp PIXELS additional space to put between lines\n\
--mouse-color, -ms COLOR mouse cursor color in Emacs window\n\
--name NAME title for initial Emacs frame\n\
+--no-blinking-cursor, -nbc disable blinking cursor\n\
--reverse-video, -r, -rv switch foreground and background\n\
--title, -T TITLE title for initial Emacs frame\n\
--vertical-scroll-bars, -vb enable vertical scroll bars\n\
--xrm XRESOURCES set additional X resources\n\
--help display this help and exit\n\
--version output version information and exit\n\
-\n\
+\n"
+
+#define USAGE4 "\
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"
-
-#define USAGE4 "\
+\n\
Report bugs to %s. First, please see the Bugs\n\
section of the Emacs manual or the file BUGS.\n"
void (*fatal_error_signal_hook) P_ ((void));
+#ifdef HAVE_GTK_AND_PTHREAD
+/* When compiled with GTK and running under Gnome, multiple threads meay be
+ created. Keep track of our main thread to make sure signals are delivered
+ to it (see syssignal.h). */
+
+pthread_t main_thread;
+#endif
+
#ifdef SIGUSR1
SIGTYPE
{
struct input_event buf;
+ SIGNAL_THREAD_CHECK (sig);
bzero (&buf, sizeof buf);
buf.kind = USER_SIGNAL_EVENT;
buf.frame_or_window = selected_frame;
{
struct input_event buf;
+ SIGNAL_THREAD_CHECK (sig);
bzero (&buf, sizeof buf);
buf.kind = USER_SIGNAL_EVENT;
buf.code = 1;
fatal_error_signal (sig)
int sig;
{
+ SIGNAL_THREAD_CHECK (sig);
fatal_error_code = sig;
signal (sig, SIG_DFL);
int sig;
{
signal (sig, memory_warning_signal);
+ SIGNAL_THREAD_CHECK (sig);
malloc_warning ("Operating system warns that virtual memory is running low.\n");
for (i = argc - 1; i >= 0; i--)
{
if (i == 0 || i > skip_args)
+ /* For the moment, we keep arguments as is in unibyte strings.
+ They are decoded in the function command-line after we know
+ locale-coding-system. */
Vcommand_line_args
- = Fcons (build_string (argv[i]), Vcommand_line_args);
+ = Fcons (make_unibyte_string (argv[i], strlen (argv[i])),
+ Vcommand_line_args);
}
unbind_to (count, Qnil);
}
malloc_set_state (malloc_state_ptr);
+#ifndef XMALLOC_OVERRUN_CHECK
free (malloc_state_ptr);
+#endif
}
else
- malloc_using_checking = getenv ("MALLOC_CHECK_") != NULL;
+ {
+ if (my_heap_start == 0)
+ my_heap_start = sbrk (0);
+ malloc_using_checking = getenv ("MALLOC_CHECK_") != NULL;
+ }
}
void (*__malloc_initialize_hook) () = malloc_initialize_hook;
stack_base = &dummy;
#endif
+ if (!initialized)
+ {
+ extern char my_endbss[];
+ extern char *my_endbss_static;
+
+ if (my_heap_start == 0)
+ my_heap_start = sbrk (0);
+
+ heap_bss_diff = (char *)my_heap_start - max (my_endbss, my_endbss_static);
+ }
+
#ifdef LINUX_SBRK_BUG
__sbrk (1);
#endif
else
{
printf ("GNU Emacs %s\n", SDATA (tem));
- printf ("Copyright (C) 2004 Free Software Foundation, Inc.\n");
+ printf ("Copyright (C) 2006 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");
}
}
+#ifdef HAVE_PERSONALITY_LINUX32
+ /* See if there is a gap between the end of BSS and the heap.
+ In that case, set personality and exec ourself again. */
+ if (!initialized
+ && (strcmp (argv[argc-1], "dump") == 0
+ || strcmp (argv[argc-1], "bootstrap") == 0)
+ && heap_bss_diff > MAX_HEAP_BSS_DIFF)
+ {
+ if (! getenv ("EMACS_HEAP_EXEC"))
+ {
+ /* Set this so we only do this once. */
+ putenv("EMACS_HEAP_EXEC=true");
+
+ /* A flag to turn off address randomization which is introduced
+ in linux kernel shipped with fedora core 4 */
+#define ADD_NO_RANDOMIZE 0x0040000
+ personality (PER_LINUX32 | ADD_NO_RANDOMIZE);
+#undef ADD_NO_RANDOMIZE
+
+ execvp (argv[0], argv);
+
+ /* If the exec fails, try to dump anyway. */
+ perror ("execvp");
+ }
+ }
+#endif /* HAVE_PERSONALITY_LINUX32 */
+
+
/* Map in shared memory, if we are using that. */
#ifdef HAVE_SHM
if (argmatch (argv, argc, "-nl", "--no-shared-memory", 6, NULL, &skip_args))
#ifdef MAC_OSX
/* Skip process serial number passed in the form -psn_x_y as
- command-line argument. */
+ command-line argument. The WindowServer adds this option when
+ Emacs is invoked from the Finder or by the `open' command. In
+ these cases, the working directory becomes `/', so we change it
+ to the user's home directory. */
if (argc > skip_args + 1 && strncmp (argv[skip_args+1], "-psn_", 5) == 0)
- skip_args++;
+ {
+ chdir (getenv ("HOME"));
+ skip_args++;
+ }
#endif /* MAC_OSX */
#ifdef VMS
&& !getrlimit (RLIMIT_STACK, &rlim))
{
long newlim;
- extern int re_max_failures;
+ extern size_t re_max_failures;
/* Approximate the amount regex.c needs per unit of re_max_failures. */
int ratio = 20 * sizeof (char *);
/* Then add 33% to cover the size of the smaller stacks that regex.c
Also call realloc and free for consistency. */
free (realloc (malloc (4), 4));
+# ifndef SYNC_INPUT
/* Arrange to disable interrupt input inside malloc etc. */
uninterrupt_malloc ();
+# endif /* not SYNC_INPUT */
#endif /* not SYSTEM_MALLOC */
+#ifdef HAVE_GTK_AND_PTHREAD
+ main_thread = pthread_self ();
+#endif /* HAVE_GTK_AND_PTHREAD */
+
#if defined (MSDOS) || defined (WINDOWSNT)
/* We do all file input/output as binary files. When we need to translate
newlines, we do that manually. */
/* Handle the -batch switch, which means don't do interactive display. */
noninteractive = 0;
if (argmatch (argv, argc, "-batch", "--batch", 5, NULL, &skip_args))
- noninteractive = 1;
+ {
+ noninteractive = 1;
+ Vundo_outer_limit = Qnil;
+ }
if (argmatch (argv, argc, "-script", "--script", 3, &junk, &skip_args))
{
noninteractive = 1; /* Set batch mode. */
- /* Convert --script to -l, un-skip it, and sort again so that -l will be
- handled in proper sequence. */
- argv[skip_args - 1] = "-l";
+ /* Convert --script to --scriptload, un-skip it, and sort again
+ so that it will be handled in proper sequence. */
+ argv[skip_args - 1] = "-scriptload";
skip_args -= 2;
sort_args (argc, argv);
}
creates a full-fledge output_mac type frame. This does not
work correctly before syms_of_textprop, syms_of_macfns,
syms_of_ccl, syms_of_fontset, syms_of_xterm, syms_of_search,
- syms_of_frame, mac_initialize, and init_keyboard have already
+ syms_of_frame, mac_term_init, and init_keyboard have already
been called. */
syms_of_textprop ();
syms_of_macfns ();
syms_of_fontset ();
syms_of_macterm ();
syms_of_macmenu ();
+ syms_of_macselect ();
syms_of_data ();
syms_of_search ();
syms_of_frame ();
- mac_initialize ();
+ init_atimer ();
+ mac_term_init (build_string ("Mac"), NULL, NULL);
init_keyboard ();
#endif
#ifdef CLASH_DETECTION
init_filelock ();
#endif
+#ifndef MAC_OS8
init_atimer ();
+#endif
running_asynch_code = 0;
/* Handle --unibyte and the EMACS_UNIBYTE envvar,
init_ntproc (); /* must precede init_editfns. */
#endif
-#ifdef HAVE_CARBON
+#if defined (MAC_OSX) && defined (HAVE_CARBON)
if (initialized)
init_mac_osx_environment ();
#endif
#endif
#endif /* HAVE_X_WINDOWS */
-#ifdef HAVE_MENUS
#ifndef HAVE_NTGUI
#ifndef MAC_OS
/* Called before init_window_once for Mac OS Classic. */
syms_of_xmenu ();
#endif
#endif
-#endif
#ifdef HAVE_NTGUI
syms_of_w32term ();
syms_of_fontset ();
#endif /* HAVE_NTGUI */
-#ifdef HAVE_CARBON
+#if defined (MAC_OSX) && defined (HAVE_CARBON)
syms_of_macterm ();
syms_of_macfns ();
syms_of_macmenu ();
+ syms_of_macselect ();
syms_of_fontset ();
-#endif /* HAVE_CARBON */
+#endif /* MAC_OSX && HAVE_CARBON */
#ifdef SYMS_SYSTEM
SYMS_SYSTEM;
keys_of_minibuf ();
keys_of_window ();
}
- else
+ else
{
- /*
- Initialization that must be done even if the global variable
- initialized is non zero
- */
+ /* Initialization that must be done even if the global variable
+ initialized is non zero. */
#ifdef HAVE_NTGUI
globals_of_w32fns ();
globals_of_w32menu ();
-#endif /* end #ifdef HAVE_NTGUI */
+ globals_of_w32select ();
+#endif /* HAVE_NTGUI */
}
if (!noninteractive)
#endif
}
- /* Set up for profiling. This is known to work on FreeBSD and
- GNU/Linux. It might work on some other systems too. Give it a
- try and tell us if it works on your system. To compile for
- profiling use something like `make CFLAGS="-pg -g -O -DPROFILING=1'. */
-#if defined (__FreeBSD__) || defined (__linux)
+ /* Set up for profiling. This is known to work on FreeBSD,
+ GNU/Linux and MinGW. It might work on some other systems too.
+ Give it a try and tell us if it works on your system. To compile
+ for profiling use something like:
+ `make CFLAGS="-pg -g -O -DPROFILING=1'. */
+#if defined (__FreeBSD__) || defined (GNU_LINUX) || defined(__MINGW32__)
#ifdef PROFILING
if (initialized)
{
extern void _mcleanup ();
+#ifdef __MINGW32__
+ extern unsigned char etext asm ("etext");
+#else
extern char etext;
+#endif
extern void safe_bcopy ();
extern void dump_opcode_frequencies ();
{ "-d", "--display", 60, 1 },
{ "-display", 0, 60, 1 },
/* Now for the options handled in startup.el. */
+ { "-Q", "--quick", 55, 0 },
+ { "-quick", 0, 55, 0 },
{ "-q", "--no-init-file", 50, 0 },
{ "-no-init-file", 0, 50, 0 },
{ "-no-site-file", "--no-site-file", 40, 0 },
{ "-u", "--user", 30, 1 },
{ "-user", 0, 30, 1 },
{ "-debug-init", "--debug-init", 20, 0 },
- { "-i", "--icon-type", 15, 0 },
- { "-itype", 0, 15, 0 },
+ { "-nbi", "--no-bitmap-icon", 15, 0 },
{ "-iconic", "--iconic", 15, 0 },
+ { "-D", "--basic-display", 12, 0},
+ { "-basic-display", 0, 12, 0},
{ "-bg", "--background-color", 10, 1 },
{ "-background", 0, 10, 1 },
{ "-fg", "--foreground-color", 10, 1 },
{ "-ib", "--internal-border", 10, 1 },
{ "-ms", "--mouse-color", 10, 1 },
{ "-cr", "--cursor-color", 10, 1 },
+ { "-nbc", "--no-blinking-cursor", 10, 0 },
{ "-fn", "--font", 10, 1 },
{ "-font", 0, 10, 1 },
{ "-fs", "--fullscreen", 10, 0 },
{ "-directory", 0, 0, 1 },
{ "-l", "--load", 0, 1 },
{ "-load", 0, 0, 1 },
+ { "-scriptload", "--scriptload", 0, 1 },
{ "-f", "--funcall", 0, 1 },
{ "-funcall", 0, 0, 1 },
{ "-eval", "--eval", 0, 1 },
bcopy (new, argv, sizeof (char *) * argc);
- free (options);
- free (new);
- free (priority);
+ xfree (options);
+ xfree (new);
+ xfree (priority);
}
\f
DEFUN ("kill-emacs", Fkill_emacs, Skill_emacs, 0, 1, "P",
if (STRINGP (Vauto_save_list_file_name))
unlink (SDATA (Vauto_save_list_file_name));
- exit (INTEGERP (arg) ? XINT (arg)
-#ifdef VMS
- : 1
-#else
- : 0
-#endif
- );
+ exit (INTEGERP (arg) ? XINT (arg) : EXIT_SUCCESS);
/* NOTREACHED */
+ return Qnil;
}
/* Prevent running of hooks from now on. */
Vrun_hooks = Qnil;
+ /* Don't update display from now on. */
+ Vinhibit_redisplay = Qt;
+
/* If we are controlling the terminal, reset terminal modes. */
#ifdef EMACS_HAVE_TTY_PGRP
{
stuff_buffered_input (stuff);
+ inhibit_sentinels = 1;
kill_buffer_processes (Qnil);
Fdo_auto_save (Qt, Qnil);
if (! noninteractive)
error ("Dumping Emacs works only in batch mode");
+#ifdef GNU_LINUX
+ if (heap_bss_diff > MAX_HEAP_BSS_DIFF)
+ {
+ fprintf (stderr, "**************************************************\n");
+ fprintf (stderr, "Warning: Your system has a gap between BSS and the\n");
+ fprintf (stderr, "heap (%lu byte). This usually means that exec-shield\n",
+ heap_bss_diff);
+ fprintf (stderr, "or something similar is in effect. The dump may\n");
+ fprintf (stderr, "fail because of this. See the section about \n");
+ fprintf (stderr, "exec-shield in etc/PROBLEMS for more information.\n");
+ fprintf (stderr, "**************************************************\n");
+ }
+#endif /* GNU_LINUX */
+
/* Bind `command-line-processed' to nil before dumping,
so that the dumped Emacs will process its command line
and set up to work with X windows if appropriate. */
memory_warnings (my_edata, malloc_warning);
#endif /* not WINDOWSNT */
#endif
+#if !defined (SYSTEM_MALLOC) && defined (HAVE_GTK_AND_PTHREAD) && !defined SYNC_INPUT
+ /* Pthread may call malloc before main, and then we will get an endless
+ loop, because pthread_self (see alloc.c) calls malloc the first time
+ it is called on some systems. */
+ reset_malloc_hooks ();
+#endif
#ifdef DOUG_LEA_MALLOC
malloc_state_ptr = malloc_get_state ();
#endif
{
*plocale = desired_locale;
setlocale (category, (STRINGP (desired_locale)
- ? (char *)(SDATA (desired_locale))
+ ? (char *) SDATA (desired_locale)
: ""));
}
}
Many arguments are deleted from the list as they are processed. */);
DEFVAR_LISP ("system-type", &Vsystem_type,
- doc: /* Value is symbol indicating type of operating system you are using. */);
+ doc: /* Value is symbol indicating type of operating system you are using.
+Special values:
+ `gnu/linux' compiled for a GNU/Linux system.
+ `darwin' compiled for Darwin (GNU-Darwin, Mac OS X, ...).
+ `macos' compiled for Mac OS 9.
+ `ms-dos' compiled as an MS-DOS application.
+ `windows-nt' compiled as a native W32 application.
+ `cygwin' compiled using the Cygwin library.
+ `vax-vms' or `axp-vms': compiled for a (Open)VMS system.
+Anything else indicates some sort of Unix system. */);
Vsystem_type = intern (SYSTEM_TYPE);
DEFVAR_LISP ("system-configuration", &Vsystem_configuration,
empty_string = build_string ("");
staticpro (&empty_string);
-#ifdef SIGUSR1
- DEFVAR_LISP ("signal-USR1-hook", &Vsignal_USR1_hook,
- doc: /* Hook to be run whenever emacs receives a USR1 signal. */);
- Vsignal_USR1_hook = Qnil;
-#ifdef SIGUSR2
- DEFVAR_LISP ("signal-USR2-hook", &Vsignal_USR2_hook,
- doc: /* Hook to be run whenever emacs receives a USR2 signal. */);
- Vsignal_USR2_hook = Qnil;
-#endif
-#endif
-
-
DEFVAR_INT ("emacs-priority", &emacs_priority,
doc: /* Priority for Emacs to run at.
This value is effective only if set before Emacs is dumped,
HCoop / bpt / emacs.git / blobdiff