/* Fully extensible Emacs, running on Unix, intended for GNU.
-Copyright (C) 1985-1987, 1993-1995, 1997-1999, 2001-2015 Free Software
+Copyright (C) 1985-1987, 1993-1995, 1997-1999, 2001-2016 Free Software
Foundation, Inc.
This file is part of GNU Emacs.
GNU Emacs is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
-the Free Software Foundation, either version 3 of the License, or
-(at your option) any later version.
+the Free Software Foundation, either version 3 of the License, or (at
+your option) any later version.
GNU Emacs is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
#include <config.h>
#include <errno.h>
+#include <fcntl.h>
#include <stdio.h>
#include <sys/types.h>
#ifdef MSDOS
#include <binary-io.h>
+#include "dosfns.h"
#endif
#ifdef HAVE_WINDOW_SYSTEM
#include TERM_HEADER
#endif /* HAVE_WINDOW_SYSTEM */
-#include "commands.h"
+#include "coding.h"
#include "intervals.h"
#include "character.h"
#include "buffer.h"
#include "window.h"
-
-#include "systty.h"
+#include "xwidget.h"
#include "atimer.h"
#include "blockinput.h"
#include "syssignal.h"
#include "syntax.h"
#include "sysselect.h"
#include "systime.h"
+#include "puresize.h"
#include "gnutls.h"
#include <locale.h>
#endif
+#if HAVE_WCHAR_H
+# include <wchar.h>
+#endif
+
#ifdef HAVE_SETRLIMIT
#include <sys/time.h>
#include <sys/resource.h>
extern void unexec_init_emacs_zone (void);
#endif
-#ifdef DOUG_LEA_MALLOC
-/* Preserves a pointer to the memory allocated that copies that
- static data inside glibc's malloc. */
-static void *malloc_state_ptr;
-/* From glibc, a routine that returns a copy of the malloc internal state. */
-extern void *malloc_get_state (void);
-/* From glibc, a routine that overwrites the malloc internal state. */
-extern int malloc_set_state (void *);
-/* True if the MALLOC_CHECK_ environment variable was set while
- dumping. Used to work around a bug in glibc's malloc. */
-static bool malloc_using_checking;
-#elif defined HAVE_PTHREAD && !defined SYSTEM_MALLOC && !defined HYBRID_MALLOC
extern void malloc_enable_thread (void);
-#endif
/* If true, Emacs should not attempt to use a window-specific code,
but instead should use the virtual terminal under which it was started. */
Tells GC how to save a copy of the stack. */
char *stack_bottom;
-#if defined (DOUG_LEA_MALLOC) || defined (GNU_LINUX)
-/* The address where the heap starts (from the first sbrk (0) call). */
-static void *my_heap_start;
-#endif
-
#ifdef GNU_LINUX
/* The gap between BSS end and heap start as far as we can tell. */
static uprintmax_t heap_bss_diff;
/* Name for the server started by the daemon.*/
static char *daemon_name;
+#ifndef WINDOWSNT
/* Pipe used to send exit notification to the daemon parent at
startup. */
int daemon_pipe[2];
+#else
+HANDLE w32_daemon_event;
+#endif
/* Save argv and argc. */
char **initial_argv;
--no-init-file, -q load neither ~/.emacs nor default.el\n\
--no-loadup, -nl do not load loadup.el into bare Emacs\n\
--no-site-file do not load site-start.el\n\
+--no-x-resources do not load X resources\n\
--no-site-lisp, -nsl do not add site-lisp directories to load-path\n\
--no-splash do not display a splash screen on startup\n\
--no-window-system, -nw do not communicate with X, ignoring $DISPLAY\n\
"\
--quick, -Q equivalent to:\n\
-q --no-site-file --no-site-lisp --no-splash\n\
+ --no-x-resources\n\
--script FILE run FILE as an Emacs Lisp script\n\
--terminal, -t DEVICE use DEVICE for terminal I/O\n\
--user, -u USER load ~USER/.emacs instead of your own\n\
}
#endif
+/* True if the current system locale uses UTF-8 encoding. */
+static bool
+using_utf8 (void)
+{
+#ifdef HAVE_WCHAR_H
+ wchar_t wc;
+ mbstate_t mbs = { 0 };
+ return mbrtowc (&wc, "\xc4\x80", 2, &mbs) == 2 && wc == 0x100;
+#else
+ return false;
+#endif
+}
+
/* Report a fatal error due to signal SIG, output a backtrace of at
most BACKTRACE_LIMIT lines, and exit. */
terminate_due_to_signal (int sig, int backtrace_limit)
{
signal (sig, SIG_DFL);
- totally_unblock_input ();
/* If fatal error occurs in code below, avoid infinite recursion. */
if (! fatal_error_in_progress)
{
fatal_error_in_progress = 1;
+ totally_unblock_input ();
if (sig == SIGTERM || sig == SIGHUP || sig == SIGINT)
Fkill_emacs (make_number (sig));
}
}
-#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 (void)
-{
- 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; p++)
- if (strncmp (*p, "MALLOC_CHECK_=", 14) == 0)
- {
- do
- *p = p[1];
- while (*++p);
- break;
- }
- }
-
- malloc_set_state (malloc_state_ptr);
-#ifndef XMALLOC_OVERRUN_CHECK
- free (malloc_state_ptr);
-#endif
- }
- else
- {
- if (my_heap_start == 0)
- my_heap_start = sbrk (0);
- malloc_using_checking = getenv ("MALLOC_CHECK_") != NULL;
- }
-}
-
-void (*__malloc_initialize_hook) (void) EXTERNALLY_VISIBLE = malloc_initialize_hook;
-
-#endif /* DOUG_LEA_MALLOC */
-
/* Close standard output and standard error, reporting any write
errors as best we can. This is intended for use with atexit. */
static void
int
main (int argc, char **argv)
{
-#if GC_MARK_STACK
Lisp_Object dummy;
-#endif
char stack_bottom_variable;
bool do_initial_setlocale;
bool dumping;
/* If we use --chdir, this records the original directory. */
char *original_pwd = 0;
-#if GC_MARK_STACK
stack_base = &dummy;
-#endif
#ifndef CANNOT_DUMP
might_dump = !initialized;
#ifdef GNU_LINUX
if (!initialized)
{
- if (my_heap_start == 0)
- my_heap_start = sbrk (0);
-
- heap_bss_diff = (char *)my_heap_start - max (my_endbss, my_endbss_static);
+ char *heap_start = my_heap_start ();
+ heap_bss_diff = heap_start - max (my_endbss, my_endbss_static);
}
#endif
names between UTF-8 and the system's ANSI codepage. */
maybe_load_unicows_dll ();
#endif
+ /* This has to be done before module_init is called below, so that
+ the latter could use the thread ID of the main thread. */
+ w32_init_main_thread ();
#endif
#ifdef RUN_TIME_REMAP
atexit (close_output_streams);
+#ifdef HAVE_MODULES
+ module_init ();
+#endif
+
sort_args (argc, argv);
argc = 0;
while (argv[argc]) argc++;
tem2 = Fsymbol_value (intern_c_string ("emacs-copyright"));
if (!STRINGP (tem))
{
- fprintf (stderr, "Invalid value of `emacs-version'\n");
+ fprintf (stderr, "Invalid value of 'emacs-version'\n");
exit (1);
}
if (!STRINGP (tem2))
{
- fprintf (stderr, "Invalid value of `emacs-copyright'\n");
+ fprintf (stderr, "Invalid value of 'emacs-copyright'\n");
exit (1);
}
else
}
#endif /* HAVE_PERSONALITY_LINUX32 */
-#if defined (HAVE_SETRLIMIT) && defined (RLIMIT_STACK)
- /* Extend the stack space available.
- Don't do that if dumping, since some systems (e.g. DJGPP)
- might define a smaller stack limit at that time. */
+#if defined (HAVE_SETRLIMIT) && defined (RLIMIT_STACK) && !defined (CYGWIN)
+ /* Extend the stack space available. Don't do that if dumping,
+ since some systems (e.g. DJGPP) might define a smaller stack
+ limit at that time. And it's not needed on Cygwin, since emacs
+ is built with an 8MB stack. Moreover, the setrlimit call can
+ cause problems on Cygwin
+ (https://www.cygwin.com/ml/cygwin/2015-07/msg00096.html). */
if (1
#ifndef CANNOT_DUMP
&& (!noninteractive || initialized)
setrlimit (RLIMIT_STACK, &rlim);
}
-#endif /* HAVE_SETRLIMIT and RLIMIT_STACK */
+#endif /* HAVE_SETRLIMIT and RLIMIT_STACK and not CYGWIN */
/* Record (approximately) where the stack begins. */
stack_bottom = &stack_bottom_variable;
clearerr (stdin);
+ emacs_backtrace (-1);
+
#if !defined SYSTEM_MALLOC && !defined HYBRID_MALLOC
/* Arrange to get warning messages as memory fills up. */
memory_warnings (0, malloc_warning);
fixup_locale must wait until later, since it builds strings. */
if (do_initial_setlocale)
setlocale (LC_ALL, "");
+ text_quoting_flag = using_utf8 ();
inhibit_window_system = 0;
exit (0);
}
+#ifndef WINDOWSNT
/* Make sure IS_DAEMON starts up as false. */
daemon_pipe[1] = 0;
+#else
+ w32_daemon_event = NULL;
+#endif
if (argmatch (argv, argc, "-daemon", "--daemon", 5, NULL, &skip_args)
|| argmatch (argv, argc, "-daemon", "--daemon", 5, &dname_arg, &skip_args))
}
#endif /* DAEMON_MUST_EXEC */
- if (dname_arg)
- daemon_name = xstrdup (dname_arg);
/* Close unused reading end of the pipe. */
emacs_close (daemon_pipe[0]);
setsid ();
-#else /* DOS_NT */
+#elif defined(WINDOWSNT)
+ /* Indicate that we want daemon mode. */
+ w32_daemon_event = CreateEvent (NULL, TRUE, FALSE, W32_DAEMON_EVENT);
+ if (w32_daemon_event == NULL)
+ {
+ fprintf (stderr, "Couldn't create MS-Windows event for daemon: %s\n",
+ w32_strerror (0));
+ exit (1);
+ }
+#else /* MSDOS */
fprintf (stderr, "This platform does not support the -daemon flag.\n");
exit (1);
-#endif /* DOS_NT */
+#endif /* MSDOS */
+ if (dname_arg)
+ daemon_name = xstrdup (dname_arg);
}
#if defined HAVE_PTHREAD && !defined SYSTEM_MALLOC \
tzset ();
#endif /* MSDOS */
+#ifdef HAVE_KQUEUE
+ globals_of_kqueue ();
+#endif
+
#ifdef HAVE_GFILENOTIFY
globals_of_gfilenotify ();
#endif
init_ntproc (dumping); /* must precede init_editfns. */
#endif
+#ifdef HAVE_NS
+ /* Initialize the locale from user defaults. */
+ ns_init_locale ();
+#endif
+
/* Initialize and GC-protect Vinitial_environment and
Vprocess_environment before set_initial_environment fills them
in. */
syms_of_terminal ();
syms_of_term ();
syms_of_undo ();
+
+#ifdef HAVE_MODULES
+ syms_of_module ();
+#endif
+
#ifdef HAVE_SOUND
syms_of_sound ();
#endif
syms_of_xfns ();
syms_of_xmenu ();
syms_of_fontset ();
+ syms_of_xwidget ();
syms_of_xsettings ();
#ifdef HAVE_X_SM
syms_of_xsmfns ();
syms_of_gnutls ();
-#ifdef HAVE_GFILENOTIFY
- syms_of_gfilenotify ();
-#endif /* HAVE_GFILENOTIFY */
-
#ifdef HAVE_INOTIFY
syms_of_inotify ();
#endif /* HAVE_INOTIFY */
+#ifdef HAVE_KQUEUE
+ syms_of_kqueue ();
+#endif /* HAVE_KQUEUE */
+
+#ifdef HAVE_GFILENOTIFY
+ syms_of_gfilenotify ();
+#endif /* HAVE_GFILENOTIFY */
+
#ifdef HAVE_DBUS
syms_of_dbusbind ();
#endif /* HAVE_DBUS */
/* This calls putenv and so must precede init_process_emacs. Also,
it sets Voperating_system_release, which init_process_emacs uses. */
- init_editfns ();
+ init_editfns (dumping);
/* These two call putenv. */
#ifdef HAVE_DBUS
if (filename_from_ansi (file, file_utf8) == 0)
file = file_utf8;
#endif
- Vtop_level = list2 (intern_c_string ("load"),
- build_unibyte_string (file));
+ Vtop_level = list2 (Qload, build_unibyte_string (file));
}
/* Unless next switch is -nl, load "loadup.el" first thing. */
if (! no_loadup)
- Vtop_level = list2 (intern_c_string ("load"),
- build_string ("loadup.el"));
+ Vtop_level = list2 (Qload, build_string ("loadup.el"));
}
/* Set up for profiling. This is known to work on FreeBSD,
{ "-quick", 0, 55, 0 },
{ "-q", "--no-init-file", 50, 0 },
{ "-no-init-file", 0, 50, 0 },
+ { "-no-x-resources", "--no-x-resources", 40, 0 },
{ "-no-site-file", "--no-site-file", 40, 0 },
{ "-u", "--user", 30, 1 },
{ "-user", 0, 30, 1 },
options[from] = standard_args[i].nargs;
priority[from] = standard_args[i].priority;
if (from + standard_args[i].nargs >= argc)
- fatal ("Option `%s' requires an argument\n", argv[from]);
+ fatal ("Option '%s' requires an argument\n", argv[from]);
from += standard_args[i].nargs;
goto done;
}
if (equals != 0)
options[from] = 0;
if (from + options[from] >= argc)
- fatal ("Option `%s' requires an argument\n", argv[from]);
+ fatal ("Option '%s' requires an argument\n", argv[from]);
from += options[from];
}
/* FIXME When match < 0, shouldn't there be some error,
attributes: noreturn)
(Lisp_Object arg)
{
- struct gcpro gcpro1;
int exit_code;
- GCPRO1 (arg);
-
- if (feof (stdin))
- arg = Qt;
-
/* Fsignal calls emacs_abort () if it sees that waiting_for_input is
set. */
waiting_for_input = 0;
run_hook (Qkill_emacs_hook);
- UNGCPRO;
#ifdef HAVE_X_WINDOWS
/* Transfer any clipboards we own to the clipboard manager. */
x_clipboard_manager_save_all ();
#endif
- shut_down_emacs (0, STRINGP (arg) ? arg : Qnil);
+ shut_down_emacs (0, (STRINGP (arg) && !feof (stdin)) ? arg : Qnil);
#ifdef HAVE_NS
ns_release_autorelease_pool (ns_pool);
/* There is a tendency for a SIGIO signal to arrive within exit,
and cause a SIGHUP because the input descriptor is already closed. */
unrequest_sigio ();
- ignore_sigio ();
/* Do this only if terminating normally, we want glyph matrices
etc. in a core dump. */
memory_warnings (my_edata, malloc_warning);
#endif /* not WINDOWSNT */
#endif /* not SYSTEM_MALLOC and not HYBRID_MALLOC */
-#ifdef DOUG_LEA_MALLOC
- malloc_state_ptr = malloc_get_state ();
-#endif
+
+ alloc_unexec_pre ();
unexec (SSDATA (filename), !NILP (symfile) ? SSDATA (symfile) : 0);
-#ifdef DOUG_LEA_MALLOC
- free (malloc_state_ptr);
-#endif
+ alloc_unexec_post ();
#ifdef WINDOWSNT
Vlibrary_cache = Qnil;
if (! EQ (*plocale, desired_locale))
{
*plocale = desired_locale;
+#ifdef WINDOWSNT
+ /* Changing categories like LC_TIME usually requires specifying
+ an encoding suitable for the new locale, but MS-Windows's
+ 'setlocale' will only switch the encoding when LC_ALL is
+ specified. So we ignore CATEGORY, use LC_ALL instead, and
+ then restore LC_NUMERIC to "C", so reading and printing
+ numbers is unaffected. */
+ setlocale (LC_ALL, (STRINGP (desired_locale)
+ ? SSDATA (desired_locale)
+ : ""));
+ fixup_locale ();
+#else /* !WINDOWSNT */
setlocale (category, (STRINGP (desired_locale)
? SSDATA (desired_locale)
: ""));
+#endif /* !WINDOWSNT */
}
}
p = strchr (path, SEPCHAR);
if (!p)
p = path + strlen (path);
- element = (p - path ? make_unibyte_string (path, p - path)
+ element = ((p - path) ? make_unibyte_string (path, p - path)
: empty_element);
if (! NILP (element))
{
from the parent process and its tty file descriptors. */)
(void)
{
- int nfd;
bool err = 0;
if (!IS_DAEMON)
error ("This function can only be called if emacs is run as a daemon");
- if (daemon_pipe[1] < 0)
+ if (!DAEMON_RUNNING)
error ("The daemon has already been initialized");
if (NILP (Vafter_init_time))
error ("This function can only be called after loading the init files");
+#ifndef WINDOWSNT
+ int nfd;
/* Get rid of stdin, stdout and stderr. */
nfd = emacs_open ("/dev/null", O_RDWR, 0);
err |= emacs_close (daemon_pipe[1]) != 0;
/* Set it to an invalid value so we know we've already run this function. */
daemon_pipe[1] = -1;
+#else /* WINDOWSNT */
+ /* Signal the waiting emacsclient process. */
+ err |= SetEvent (w32_daemon_event) == 0;
+ err |= CloseHandle (w32_daemon_event) == 0;
+ /* Set it to an invalid value so we know we've already run this function. */
+ w32_daemon_event = INVALID_HANDLE_VALUE;
+#endif
if (err)
error ("I/O error during daemon initialization");
Anything else (in Emacs 24.1, the possibilities are: aix, berkeley-unix,
hpux, irix, usg-unix-v) indicates some sort of Unix system. */);
Vsystem_type = intern_c_string (SYSTEM_TYPE);
- /* See configure.ac (and config.nt) for the possible SYSTEM_TYPEs. */
+ /* See configure.ac for the possible SYSTEM_TYPEs. */
DEFVAR_LISP ("system-configuration", Vsystem_configuration,
doc: /* Value is string indicating configuration Emacs was built for. */);
DEFVAR_LISP ("system-configuration-features", Vsystem_configuration_features,
doc: /* String listing some of the main features this Emacs was compiled with.
An element of the form \"FOO\" generally means that HAVE_FOO was
-defined during the build. */);
+defined during the build.
+
+This is mainly intended for diagnostic purposes in bug reports.
+Don't rely on it for testing whether a feature you want to use is available. */);
Vsystem_configuration_features = build_string (EMACS_CONFIG_FEATURES);
DEFVAR_BOOL ("noninteractive", noninteractive1,