X-Git-Url: http://git.chise.org/gitweb/?p=chise%2Fxemacs-chise.git.1;a=blobdiff_plain;f=src%2Femacs.c;h=abc8bfeea0a9692773727280232d2a8483588b0e;hp=4312190481abde4f839fa60987b1363214f1b526;hb=59eec5f21669e81977b5b1fe9bf717cab49cf7fb;hpb=b5eeb6918c29470b36f8461c402eb0c65cb19bd2 diff --git a/src/emacs.c b/src/emacs.c index 4312190..abc8bfe 100644 --- a/src/emacs.c +++ b/src/emacs.c @@ -2,6 +2,7 @@ Copyright (C) 1985, 1986, 1987, 1992, 1993, 1994 Free Software Foundation, Inc. Copyright (C) 1995 Sun Microsystems, Inc. + Copyright (C) 2000 Ben Wing. This file is part of XEmacs. @@ -22,6 +23,141 @@ Boston, MA 02111-1307, USA. */ /* Synched up with: Mule 2.0, FSF 19.28. */ +/* Capsule summary of the various releases of Lucid Emacs/XEmacs and + FSF/GNU Emacs. Provided here for use in cross-referencing version + releases and dates in comments, esp. in the authorship comments at + the beginning of each file. More information about history can be + found in the beginning of the Internals Manual and in the About page. + + +-- A time line for Lucid Emacs/XEmacs is + +version 19.0 shipped with Energize 1.0, April 1992. +version 19.1 released June 4, 1992. +version 19.2 released June 19, 1992. +version 19.3 released September 9, 1992. +version 19.4 released January 21, 1993. +version 19.5 was a repackaging of 19.4 with a few bug fixes and + shipped with Energize 2.0. Never released to the net. +version 19.6 released April 9, 1993. +version 19.7 was a repackaging of 19.6 with a few bug fixes and + shipped with Energize 2.1. Never released to the net. +version 19.8 released September 6, 1993. +version 19.9 released January 12, 1994. +version 19.10 released May 27, 1994. +version 19.11 (first XEmacs) released September 13, 1994. +version 19.12 released June 23, 1995. +version 19.13 released September 1, 1995. +version 19.14 released June 23, 1996. +version 20.0 released February 9, 1997. +version 19.15 released March 28, 1997. +version 20.1 (not released to the net) April 15, 1997. +version 20.2 released May 16, 1997. +version 19.16 released October 31, 1997. +version 20.3 (the first stable version of XEmacs 20.x) released + November 30, 1997. +version 20.4 released February 28, 1998. + + +-- A time line for GNU Emacs version 19 is + +version 19.7 (beta) (first beta release) released ??????; prob. late May 1993. +version 19.8 (beta) released May 27, 1993. +version 19.9 (beta) released May 27, 1993. +version 19.10 (beta) released May 30, 1993. +version 19.11 (beta) released June 1, 1993. +version 19.12 (beta) released June 2, 1993. +version 19.13 (beta) released June 8, 1993. +version 19.14 (beta) released June 17, 1993. +version 19.15 (beta) released June 19, 1993. +version 19.16 (beta) released July 6, 1993. +version 19.17 (beta) released late July, 1993. +version 19.18 (beta) released August 9, 1993. +version 19.19 (beta) released August 15, 1993. +version 19.20 (beta) released November 17, 1993. +version 19.21 (beta) released November 17, 1993. +version 19.22 (beta) released November 28, 1993. +version 19.23 (beta) released May 17, 1994. +version 19.24 (beta) released May 16, 1994. +version 19.25 (beta) released June 3, 1994. +version 19.26 (beta) released September 11, 1994. +version 19.27 (beta) released September 14, 1994. +version 19.28 (first ``official'' release) released November 1, 1994. +version 19.29 released June 21, 1995. +version 19.30 released November 24, 1995. +version 19.31 released May 25, 1996. +version 19.32 released July 31, 1996. +version 19.33 released August 11, 1996. +version 19.34 released August 21, 1996. +version 19.34b released September 6, 1996. + + +-- A time line for GNU Emacs version 20 is + +version 20.1 released September 17, 1997. +version 20.2 released September 20, 1997. +version 20.3 released August 19, 1998. + + +-- A time line for GNU Emacs version 18 and older is + +GNU Emacs version 15 (15.34) was released sometime in 1984 or 1985 and + shared some code with a version of Emacs written by James Gosling (the + same James Gosling who later created the Java language). +GNU Emacs version 16 (first released version was 16.56) was released on + July 15, 1985. All Gosling code was removed due to potential copyright + problems with the code. +version 16.57: released on September 16, 1985. +versions 16.58, 16.59: released on September 17, 1985. +version 16.60: released on September 19, 1985. These later version 16's + incorporated patches from the net, esp. for getting Emacs to work under + System V. +version 17.36 (first official v17 release) released on December 20, 1985. + Included a TeX-able user manual. First official unpatched version that + worked on vanilla System V machines. +version 17.43 (second official v17 release) released on January 25, 1986. +version 17.45 released on January 30, 1986. +version 17.46 released on February 4, 1986. +version 17.48 released on February 10, 1986. +version 17.49 released on February 12, 1986. +version 17.55 released on March 18, 1986. +version 17.57 released on March 27, 1986. +version 17.58 released on April 4, 1986. +version 17.61 released on April 12, 1986. +version 17.63 released on May 7, 1986. +version 17.64 released on May 12, 1986. +version 18.24 (a beta version) released on October 2, 1986. +version 18.30 (a beta version) released on November 15, 1986. +version 18.31 (a beta version) released on November 23, 1986. +version 18.32 (a beta version) released on December 7, 1986. +version 18.33 (a beta version) released on December 12, 1986. +version 18.35 (a beta version) released on January 5, 1987. +version 18.36 (a beta version) released on January 21, 1987. +January 27, 1987: The Great Usenet Renaming. net.emacs is now comp.emacs. +version 18.37 (a beta version) released on February 12, 1987. +version 18.38 (a beta version) released on March 3, 1987. +version 18.39 (a beta version) released on March 14, 1987. +version 18.40 (a beta version) released on March 18, 1987. +version 18.41 (the first ``official'' release) released on March 22, 1987. +version 18.45 released on June 2, 1987. +version 18.46 released on June 9, 1987. +version 18.47 released on June 18, 1987. +version 18.48 released on September 3, 1987. +version 18.49 released on September 18, 1987. +version 18.50 released on February 13, 1988. +version 18.51 released on May 7, 1988. +version 18.52 released on September 1, 1988. +version 18.53 released on February 24, 1989. +version 18.54 released on April 26, 1989. +version 18.55 released on August 23, 1989. This is the earliest version + that is still available by FTP. +version 18.56 released on January 17, 1991. +version 18.57 released late January, 1991. +version 18.58 released ?????. +version 18.59 released October 31, 1992. + +*/ + /* Note: It is necessary to specify and not "config.h" in order for the --srcdir type of compilation to work properly. Otherwise the config.h from the srcdir, rather than the one from @@ -44,6 +180,15 @@ Boston, MA 02111-1307, USA. */ #include "sysfile.h" #include "systime.h" +#ifdef PDUMP +#include "dump-id.h" +#include "dumper.h" +#endif + +#ifndef SEPCHAR +#define SEPCHAR ':' +#endif + #ifdef QUANTIFY #include #endif @@ -58,23 +203,17 @@ Boston, MA 02111-1307, USA. */ #endif #ifdef TOOLTALK -#include TT_C_H_PATH -#endif - -#ifdef APOLLO -#ifndef APOLLO_SR10 -#include -#endif +#include TT_C_H_FILE #endif -#if defined (WINDOWSNT) -#include +#if defined (WIN32_NATIVE) +#include "nt.h" #endif /* For PATH_EXEC */ #include -#ifdef HEAP_IN_DATA +#if defined (HEAP_IN_DATA) && !defined(PDUMP) void report_sheap_usage (int die_if_pure_storage_exceeded); #endif @@ -167,8 +306,10 @@ Lisp_Object Vconfigure_exec_prefix_directory, Vconfigure_prefix_directory; priority. */ int emacs_priority; -/* If non-zero a filter or a sentinel is running. Tested to save the match - data on the first attempt to change it inside asynchronous code. */ +/* Some FSF junk with running_asynch_code, to preserve the match + data. Not necessary because we don't call process filters + asynchronously (i.e. from within QUIT). */ +/* #### Delete this when merging the rest of my code */ int running_asynch_code; /* If non-zero, a window-system was specified on the command line. */ @@ -177,7 +318,7 @@ int display_arg; /* Type of display specified. We cannot use a Lisp symbol here because Lisp symbols may not initialized at the time that we set this variable. */ -CONST char *display_use; +const char *display_use; /* If non-zero, then the early error handler will only print the error message and exit. */ @@ -197,13 +338,30 @@ uintptr_t bss_end = 0; /* Number of bytes of writable memory we can expect to be able to get */ unsigned int lim_data; +/* WARNING! + + Some LISP-visible command-line options are set by XEmacs _before_ the + data is dumped in building a --pdump XEmacs, but used _after_ it is + restored in normal operation. Thus the restored values overwrite the + values XEmacs is getting at run-time. Such variables must be saved + before loading the dumpfile, and restored afterward. + + This is done immediately before and after pdump_load() in main_1(). + See that function for the current list of protected variables. + + Note that if the variable is never DEFVAR'd, saving/restoring is not + needed. +*/ + /* Nonzero means running XEmacs without interactive terminal. */ int noninteractive; /* Value of Lisp variable `noninteractive'. Normally same as C variable `noninteractive' - but nothing terrible happens if user sets this one. */ + but nothing terrible happens if user sets this one. + + Shadowed from the pdumper by `noninteractive'. */ int noninteractive1; @@ -219,11 +377,15 @@ int inhibit_early_packages; /* Nonzero means don't load package autoloads at startup */ int inhibit_autoloads; +/* Nonzero means don't load the dump file (ignored if not PDUMP) */ + +int nodumpfile; + /* Nonzero means print debug information about path searching */ int debug_paths; /* Save argv and argc. */ -static char **initial_argv; +static Extbyte **initial_argv; static int initial_argc; static void sort_args (int argc, char **argv); @@ -234,35 +396,126 @@ Lisp_Object Qsave_buffers_kill_emacs; extern Lisp_Object Vlisp_EXEC_SUFFIXES; -/* Signal code for the fatal signal that was received */ -static int fatal_error_code; -/* Nonzero if handling a fatal error already */ -static int fatal_error_in_progress; +/* Ben's capsule summary about expected and unexpected exits from XEmacs. + + Expected exits occur when the user directs XEmacs to exit, for example + by pressing the close button on the only frame in XEmacs, or by typing + C-x C-c. This runs `save-buffers-kill-emacs', which saves any necessary + buffers, and then exits using the primitive `kill-emacs'. + + However, unexpected exits occur in a few different ways: + + -- a memory access violation or other hardware-generated exception + occurs. This is the worst possible problem to deal with, because + the fault can occur while XEmacs is in any state whatsoever, even + quite unstable ones. As a result, we need to be *extremely* careful + what we do. + -- we are using one X display (or if we've used more, we've closed the + others already), and some hardware or other problem happens and + suddenly we've lost our connection to the display. In this situation, + things are not so dire as in the last one; our code itself isn't + trashed, so we can continue execution as normal, after having set + things up so that we can exit at the appropriate time. Our exit + still needs to be of the emergency nature; we have no displays, so + any attempts to use them will fail. We simply want to auto-save + (the single most important thing to do during shut-down), do minimal + cleanup of stuff that has an independent existence outside of XEmacs, + and exit. + + Currently, both unexpected exit scenarios described above set + preparing_for_armageddon to indicate that nonessential and possibly + dangerous things should not be done, specifically: + + -- no garbage collection. + -- no hooks are run. + -- no messages of any sort from autosaving. + -- autosaving tries harder, ignoring certain failures. + -- existing frames are not deleted. + + (Also, all places that set preparing_for_armageddon also + set dont_check_for_quit. This happens separately because it's + also necessary to set other variables to make absolutely sure + no quitting happens.) + + In the first scenario above (the access violation), we also set + fatal_error_in_progress. This causes more things to not happen: + + -- assertion failures do not abort. + -- printing code does not do code conversion or gettext when + printing to stdout/stderr. +*/ + +/* Nonzero if handling a fatal error already. */ +int fatal_error_in_progress; + +/* Non-nil means we're going down, so we better not run any hooks + or do other non-essential stuff. */ +int preparing_for_armageddon; + + +static JMP_BUF run_temacs_catch; + +static int run_temacs_argc; +static char **run_temacs_argv; +static char *run_temacs_args; +static size_t run_temacs_argv_size; +static size_t run_temacs_args_size; + +static void shut_down_emacs (int sig, Lisp_Object stuff, int no_auto_save); -static void shut_down_emacs (int sig, Lisp_Object stuff); +static void +ensure_no_quitting_from_now_on (void) +{ + /* make sure no quitting from now on!! */ + dont_check_for_quit = 1; + Vinhibit_quit = Qt; + Vquit_flag = Qnil; +} /* Handle bus errors, illegal instruction, etc. */ SIGTYPE fatal_error_signal (int sig) { - fatal_error_code = sig; - signal (sig, SIG_DFL); + fatal_error_in_progress++; + preparing_for_armageddon = 1; + + ensure_no_quitting_from_now_on (); + /* Unblock the signal so that if the same signal gets sent in the code below, we avoid a deadlock. */ - EMACS_UNBLOCK_SIGNAL (fatal_error_code); + EMACS_UNBLOCK_SIGNAL (sig); + + /* Only try auto-saving first time through. If we crash in auto-saving, + don't do it again. */ + if (fatal_error_in_progress == 1) + { + Fdo_auto_save (Qt, Qnil); /* do this before anything hazardous */ + /* Do this so that the variable has the same value of 2 regardless of + whether we made it through auto-saving correctly. */ + fatal_error_in_progress++; + } + else if (fatal_error_in_progress == 2) + stderr_out ("WARNING: Unable to auto-save your files properly.\n" + "Some or all may in fact have been auto-saved.\n" + "\n"); + /* Now, reset our signal handler, so the next time, we just die. + Don't do this before auto-saving. */ + signal (sig, SIG_DFL); + + /* Keep in mind that there's more than one signal that we can crash + on. */ /* If fatal error occurs in code below, avoid infinite recursion. */ - if (! fatal_error_in_progress) + if (fatal_error_in_progress <= 2) { - fatal_error_in_progress = dont_check_for_quit = 1; - shut_down_emacs (sig, Qnil); + shut_down_emacs (sig, Qnil, 1); stderr_out ("\nLisp backtrace follows:\n\n"); Fbacktrace (Qexternal_debugging_output, Qt); # if 0 /* This is evil, rarely useful, and causes grief in some cases. */ /* Check for Sun-style stack printing via /proc */ { - CONST char *pstack = "/usr/proc/bin/pstack"; + const char *pstack = "/usr/proc/bin/pstack"; if (access (pstack, X_OK) == 0) { char buf[100]; @@ -275,65 +528,96 @@ fatal_error_signal (int sig) # endif } /* Signal the same code; this time it will really be fatal. */ - kill (getpid (), fatal_error_code); + kill (getpid (), sig); SIGRETURN; } - -DOESNT_RETURN -fatal (CONST char *fmt, ...) +#ifdef _MSC_VER + +static DWORD +mswindows_handle_hardware_exceptions (DWORD code) { - va_list args; - va_start (args, fmt); + if (code != STATUS_ACCESS_VIOLATION && code != STATUS_ILLEGAL_INSTRUCTION + && code != STATUS_PRIVILEGED_INSTRUCTION + && code != STATUS_DATATYPE_MISALIGNMENT) + return EXCEPTION_CONTINUE_SEARCH; + + /* I don't know if this filter is still wrapped in the outer __try, but + it doesn't hurt to have another one. --ben + And it lets us control more exactly what we really want to do in such + a situation. */ + __try + { + fatal_error_in_progress++; + preparing_for_armageddon = 1; - fprintf (stderr, "\nXEmacs: "); - vfprintf (stderr, GETTEXT (fmt), args); - fprintf (stderr, "\n"); + ensure_no_quitting_from_now_on (); - va_end (args); - fflush (stderr); - exit (1); -} - -/* #### The following two functions should be replaced with - calls to emacs_doprnt_*() functions, with STREAM set to send out - to stdout or stderr. This is the only way to ensure that - I18N3 works properly (many implementations of the *printf() - functions, including the ones included in glibc, do not implement - the %###$ argument-positioning syntax). */ + /* Only try auto-saving first time through. If we crash in auto-saving, + don't do it again. */ + if (fatal_error_in_progress == 1) + { + Fdo_auto_save (Qt, Qnil); /* do this before anything hazardous */ + /* Do this so that the variable has the same value of 2 regardless of + whether we made it through auto-saving correctly. */ + fatal_error_in_progress++; + } + else if (fatal_error_in_progress == 2) + stderr_out ("WARNING: Unable to auto-save your files properly.\n" + "Some or all may in fact have been auto-saved.\n" + "\n"); -/* exactly equivalent to fprintf (stderr, fmt, ...) except that it calls - GETTEXT on the format string. */ + /* If fatal error occurs in code below, avoid infinite recursion. */ + if (fatal_error_in_progress <= 2) + { + shut_down_emacs (-1, Qnil, 1); + stderr_out ("\nLisp backtrace follows:\n\n"); + Fbacktrace (Qexternal_debugging_output, Qt); + } + } + /* VC++ documentation says that + GetExceptionCode() cannot be called inside the filter itself. */ + + /* __except (mswindows_handle_hardware_exceptions (GetExceptionCode ())) {} + + The line above is original. Unfortunately, when an error is tripped + inside of the handler (e.g. during Fbacktrace()), and the handler for + the handler is invoked, it correctly notices that something is amiss + and it should just return -- but it returns EXCEPTION_CONTINUE_SEARCH, + which causes the debugger to be invoked debugging the handler code in + this function -- and WITH THE STACK UNWOUND so that you see main() + calling mswindows_handle_hardware_exceptions(), calling Fbacktrace(), + and a crash a couple of frames in -- AND NO SIGN OF THE ORIGINAL CRASH! + + There's some real weirdness going on in the stack handling -- unlike + in Unix, where further crashes just keep adding to the stack, it seems + that under the structured-exception-handling, the stack can actually + bounce back and forth between the full stack at the location of the + exception and the unwound stack at the place where the __try clause was + established. I don't completely understand it. What I do know is that + returning EXCEPTION_EXECUTE_HANDLER on nested crash has the effect of + aborting execution of the handler and going back to the outer filter + function, which returns EXCEPTION_CONTINUE_SEARCH and everything is + hunky-dorey -- your debugger sees a crash at the right location with + the right stack. + + I'm leaving in the trickier Unix-like code in the handler; someone who + understands better than me how the stack works in these handlers could + fix it up more. As it is, it works pretty well, so I'm not likely to + touch it more. --ben + */ -int -stderr_out (CONST char *fmt, ...) -{ - int retval; - va_list args; - va_start (args, fmt); + __except (EXCEPTION_EXECUTE_HANDLER) {} - retval = vfprintf (stderr, GETTEXT (fmt), args); - va_end (args); - /* fflush (stderr); */ - return retval; + /* pretend we didn't handle this, so that the debugger is invoked and/or + the normal GPF box appears. */ + return EXCEPTION_CONTINUE_SEARCH; } -/* exactly equivalent to fprintf (stdout, fmt, ...) except that it calls - GETTEXT on the format string. */ - -int -stdout_out (CONST char *fmt, ...) -{ - int retval; - va_list args; - va_start (args, fmt); - - retval = vfprintf (stdout, GETTEXT (fmt), args); +#endif /* _MSC_VER */ - va_end (args); - return retval; -} + #ifdef SIGDANGER @@ -356,7 +640,7 @@ memory_warning_signal (int sig) /* Code for dealing with Lisp access to the Unix command line */ static Lisp_Object -make_arg_list_1 (int argc, char **argv, int skip_args) +make_arg_list_1 (int argc, Extbyte **argv, int skip_args) { Lisp_Object result = Qnil; REGISTER int i; @@ -365,28 +649,38 @@ make_arg_list_1 (int argc, char **argv, int skip_args) { if (i == 0 || i > skip_args) { -#ifdef WINDOWSNT +#ifdef WIN32_NATIVE if (i == 0) { /* Do not trust to what crt0 has stuffed into argv[0] */ - char full_exe_path [MAX_PATH]; + char full_exe_path[MAX_PATH]; + Lisp_Object fullpath; + GetModuleFileName (NULL, full_exe_path, MAX_PATH); - result = Fcons (build_ext_string (full_exe_path, FORMAT_FILENAME), - result); + fullpath = build_ext_string (full_exe_path, Qmswindows_tstr); + result = Fcons (fullpath, result); #if defined(HAVE_SHLIB) - (void)dll_init(full_exe_path); + { + Extbyte *fullpathext; + + LISP_STRING_TO_EXTERNAL (fullpath, fullpathext, + Qdll_filename_encoding); + (void) dll_init (fullpathext); + } #endif } else #endif - result = Fcons (build_ext_string (argv [i], FORMAT_FILENAME), result); + result = Fcons (build_ext_string (argv[i], + Qcommand_argument_encoding), + result); } } return result; } Lisp_Object -make_arg_list (int argc, char **argv) +make_arg_list (int argc, Extbyte **argv) { return make_arg_list_1 (argc, argv, 0); } @@ -394,19 +688,19 @@ make_arg_list (int argc, char **argv) /* Calling functions are also responsible for calling free_argc_argv when they are done with the generated list. */ void -make_argc_argv (Lisp_Object argv_list, int *argc, char ***argv) +make_argc_argv (Lisp_Object argv_list, int *argc, Extbyte ***argv) { Lisp_Object next; int n = XINT (Flength (argv_list)); REGISTER int i; - *argv = (char**) xmalloc ((n+1) * sizeof (char*)); + *argv = (Extbyte**) xmalloc ((n+1) * sizeof (Extbyte*)); for (i = 0, next = argv_list; i < n; i++, next = XCDR (next)) { - CONST char *temp; + const Extbyte *temp; CHECK_STRING (XCAR (next)); - GET_C_STRING_EXT_DATA_ALLOCA (XCAR (next), FORMAT_OS, temp); + LISP_STRING_TO_EXTERNAL (XCAR (next), temp, Qcommand_argument_encoding); (*argv) [i] = xstrdup (temp); } (*argv) [n] = 0; @@ -414,7 +708,7 @@ make_argc_argv (Lisp_Object argv_list, int *argc, char ***argv) } void -free_argc_argv (char **argv) +free_argc_argv (Extbyte **argv) { int elt = 0; @@ -427,7 +721,7 @@ free_argc_argv (char **argv) } static void -init_cmdargs (int argc, char **argv, int skip_args) +init_cmdargs (int argc, Extbyte **argv, int skip_args) { initial_argv = argv; initial_argc = argc; @@ -460,15 +754,6 @@ Return the directory name in which the Emacs executable was located. # undef RUN_TIME_REMAP #endif -#if defined (MULE) && defined (MSDOS) && defined (EMX) -/* Setup all of files be input/output'ed with binary translation mode. */ -asm (" .text"); -asm ("L_setbinmode:"); -asm (" movl $1, __fmode_bin"); -asm (" ret"); -asm (" .stabs \"___CTOR_LIST__\", 23, 0, 0, L_setbinmode"); -#endif - /* Test whether the next argument in ARGV matches SSTR or a prefix of LSTR (at least MINLEN characters). If so, then if VALPTR is non-null (the argument is supposed to have a value) store in *VALPTR either @@ -572,7 +857,7 @@ main_1 (int argc, char **argv, char **envp, int restart) * But hey, it solves all NS related memory problems, so who's * complaining? */ if (initialized && malloc_jumpstart (malloc_cookie) != 0) - fprintf (stderr, "malloc jumpstart failed!\n"); + stderr_out ("malloc jumpstart failed!\n"); #endif /* NeXT */ /* @@ -590,23 +875,7 @@ main_1 (int argc, char **argv, char **envp, int restart) sort_args (argc, argv); - /* Map in shared memory, if we are using that. */ -#ifdef HAVE_SHM - if (argmatch (argv, argc, "-nl", "--no-shared-memory", 6, NULL, &skip_args)) - { - map_in_data (0); - /* The shared memory was just restored, which clobbered this. */ - skip_args = 1; - } - else - { - map_in_data (1); - /* The shared memory was just restored, which clobbered this. */ - skip_args = 0; - } -#endif /* HAVE_SHM */ - -#if (defined (MSDOS) && defined (EMX)) || defined (WIN32) || defined (_SCO_DS) +#if defined (WIN32_NATIVE) || defined (_SCO_DS) environ = envp; #endif @@ -620,15 +889,6 @@ main_1 (int argc, char **argv, char **envp, int restart) clearerr (stdin); -#ifdef APOLLO -#ifndef APOLLO_SR10 - /* If USE_DOMAIN_ACLS environment variable exists, - use ACLs rather than UNIX modes. */ - if (egetenv ("USE_DOMAIN_ACLS")) - default_acl (USE_DEFACL); -#endif -#endif /* APOLLO */ - #if defined (HAVE_MMAP) && defined (REL_ALLOC) /* ralloc can only be used if using the GNU memory allocator. */ init_ralloc (); @@ -648,15 +908,6 @@ main_1 (int argc, char **argv, char **envp, int restart) memory_warnings (0, malloc_warning); #endif /* not SYSTEM_MALLOC */ -#ifdef MSDOS - /* We do all file input/output as binary files. When we need to translate - newlines, we do that manually. */ - _fmode = O_BINARY; - (stdin) ->_flag &= ~_IOTEXT; - (stdout)->_flag &= ~_IOTEXT; - (stderr)->_flag &= ~_IOTEXT; -#endif /* MSDOS */ - #ifdef SET_EMACS_PRIORITY if (emacs_priority != 0) nice (-emacs_priority); @@ -673,6 +924,17 @@ main_1 (int argc, char **argv, char **envp, int restart) inhibit_window_system = 1; #endif + /* Handle the -sd/--show-dump-id switch, which means show the hex dump_id and quit */ + if (argmatch (argv, argc, "-sd", "--show-dump-id", 9, NULL, &skip_args)) + { +#ifdef PDUMP + printf ("%08x\n", dump_id); +#else + printf ("*ERROR**\n"); +#endif + exit (0); + } + /* Handle the -t switch, which specifies filename to use as terminal */ { char *term; @@ -694,6 +956,12 @@ main_1 (int argc, char **argv, char **envp, int restart) } } + /* Handle the --no-dump-file/-nd switch, which means don't load the dump file (ignored when not using pdump) */ + if (argmatch (argv, argc, "-nd", "--no-dump-file", 7, NULL, &skip_args)) + { + nodumpfile = 1; + } + /* Handle -nw switch */ if (argmatch (argv, argc, "-nw", "--no-windows", 6, NULL, &skip_args)) inhibit_window_system = 1; @@ -865,9 +1133,52 @@ main_1 (int argc, char **argv, char **envp, int restart) #ifdef PDUMP if (restart) initialized = 1; - else { - initialized = pdump_load (); - purify_flag = !initialized; + else if (nodumpfile) { + initialized = 0; + purify_flag = 1; + } else { + + /* Keep command options from getting stomped. + + Some LISP-visible options are changed by XEmacs _after_ the data is + dumped in building a --pdump XEmacs, but _before_ it is restored in + normal operation. Thus the restored values overwrite the values + XEmacs is getting at run-time. Such variables must be saved here, + and restored after loading the dumped data. + + Boy, this is ugly, but how else to do it? + */ + + /* noninteractive1 is protected by noninteractive, which is not + LISP-visible */ + int inhibit_early_packages_save = inhibit_early_packages; + int inhibit_autoloads_save = inhibit_autoloads; + int debug_paths_save = debug_paths; +#ifdef INHIBIT_SITE_LISP + int inhibit_site_lisp_save = inhibit_site_lisp; +#endif +#ifdef INHIBIT_SITE_MODULES + int inhibit_site_modules_save = inhibit_site_modules; +#endif + + initialized = pdump_load (argv[0]); + + /* Now unstomp everything */ + noninteractive1 = noninteractive; + inhibit_early_packages = inhibit_early_packages_save; + inhibit_autoloads = inhibit_autoloads_save; + debug_paths = debug_paths_save; +#ifdef INHIBIT_SITE_LISP + inhibit_site_lisp = inhibit_site_lisp_save; +#endif +#ifdef INHIBIT_SITE_MODULES + inhibit_site_modules = inhibit_site_modules_save; +#endif + + if (initialized) + run_temacs_argc = -1; + else + purify_flag = 1; } #else if (!initialized) @@ -885,11 +1196,11 @@ main_1 (int argc, char **argv, char **envp, int restart) /* Initialize Qnil, Qt, Qunbound, and the obarray. After this, symbols can be - interned. This depends on init_alloc_once(). */ + interned. This depends on init_alloc_once_early(). */ init_symbols_once_early (); /* Declare the basic symbols pertaining to errors, - So that deferror() can be called. */ + So that DEFERROR*() can be called. */ init_errors_once_early (); /* Make sure that opaque pointers can be created. */ @@ -898,21 +1209,19 @@ main_1 (int argc, char **argv, char **envp, int restart) /* Now declare all the symbols and define all the Lisp primitives. The *only* thing that the syms_of_*() functions are allowed to do - is call one of the following three functions: + is call one of the following: - defsymbol() + INIT_LRECORD_IMPLEMENTATION() + defsymbol(), DEFSYMBOL(), or DEFSYMBOL_MULTIWORD_PREDICATE() defsubr() (i.e. DEFSUBR) - deferror() - defkeyword() + deferror(), DEFERROR(), or DEFERROR_STANDARD() + defkeyword() or DEFKEYWORD() Order does not matter in these functions. */ syms_of_abbrev (); syms_of_alloc (); -#ifdef HAVE_X_WINDOWS - syms_of_balloon_x (); -#endif syms_of_buffer (); syms_of_bytecode (); syms_of_callint (); @@ -926,6 +1235,7 @@ main_1 (int argc, char **argv, char **envp, int restart) syms_of_data (); #ifdef DEBUG_XEMACS syms_of_debug (); + syms_of_tests (); #endif /* DEBUG_XEMACS */ syms_of_device (); #ifdef HAVE_DIALOGS @@ -959,9 +1269,7 @@ main_1 (int argc, char **argv, char **envp, int restart) syms_of_glyphs (); syms_of_glyphs_eimage (); syms_of_glyphs_widget (); -#if defined (HAVE_MENUBARS) || defined (HAVE_SCROLLBARS) || defined (HAVE_DIALOGS) || defined (HAVE_TOOLBARS) syms_of_gui (); -#endif syms_of_gutter (); syms_of_indent (); syms_of_intl (); @@ -1018,6 +1326,9 @@ main_1 (int argc, char **argv, char **envp, int restart) #endif #ifdef HAVE_X_WINDOWS +#ifdef HAVE_BALLOON_HELP + syms_of_balloon_x (); +#endif syms_of_device_x (); #ifdef HAVE_DIALOGS syms_of_dialog_x (); @@ -1028,7 +1339,7 @@ main_1 (int argc, char **argv, char **envp, int restart) #ifdef HAVE_MENUBARS syms_of_menubar_x (); #endif - syms_of_xselect (); + syms_of_select_x (); #if defined (HAVE_MENUBARS) || defined (HAVE_SCROLLBARS) || defined (HAVE_DIALOGS) || defined (HAVE_TOOLBARS) syms_of_gui_x (); #endif @@ -1042,23 +1353,28 @@ main_1 (int argc, char **argv, char **envp, int restart) #ifdef HAVE_MS_WINDOWS syms_of_console_mswindows (); syms_of_device_mswindows (); + syms_of_dialog_mswindows (); syms_of_frame_mswindows (); syms_of_objects_mswindows (); syms_of_select_mswindows (); syms_of_glyphs_mswindows (); + syms_of_gui_mswindows (); #ifdef HAVE_MENUBARS syms_of_menubar_mswindows (); #endif #ifdef HAVE_SCROLLBARS syms_of_scrollbar_mswindows (); #endif +#endif /* HAVE_MS_WINDOWS */ #ifdef HAVE_MSW_C_DIRED syms_of_dired_mswindows (); #endif -#ifdef WINDOWSNT +#ifdef WIN32_NATIVE syms_of_ntproc (); #endif -#endif /* HAVE_MS_WINDOWS */ +#if defined (WIN32_NATIVE) || defined (CYGWIN) + syms_of_win32 (); +#endif #ifdef MULE syms_of_mule (); @@ -1108,7 +1424,11 @@ main_1 (int argc, char **argv, char **envp, int restart) #endif #ifdef HAVE_GPM - syms_of_gpmevent (); + syms_of_gpmevent (); +#endif + +#ifdef HAVE_POSTGRESQL + syms_of_postgresql (); #endif /* Now create the subtypes for the types that have them. @@ -1291,7 +1611,7 @@ main_1 (int argc, char **argv, char **envp, int restart) using a global variable that has been initialized earlier on in the same function - Any of the object-creating functions on alloc.c: e.g. + Any of the object-creating functions in alloc.c: e.g. make_pure_*() make_string() @@ -1315,9 +1635,6 @@ main_1 (int argc, char **argv, char **envp, int restart) vars_of_abbrev (); vars_of_alloc (); -#ifdef HAVE_X_WINDOWS - vars_of_balloon_x (); -#endif vars_of_buffer (); vars_of_bytecode (); vars_of_callint (); @@ -1329,6 +1646,7 @@ main_1 (int argc, char **argv, char **envp, int restart) vars_of_data (); #ifdef DEBUG_XEMACS vars_of_debug (); + vars_of_tests (); #endif vars_of_console_stream (); vars_of_device (); @@ -1366,9 +1684,7 @@ main_1 (int argc, char **argv, char **envp, int restart) vars_of_glyphs (); vars_of_glyphs_eimage (); vars_of_glyphs_widget (); -#if defined (HAVE_MENUBARS) || defined (HAVE_SCROLLBARS) || defined (HAVE_DIALOGS) || defined (HAVE_TOOLBARS) vars_of_gui (); -#endif vars_of_gutter (); vars_of_indent (); vars_of_insdel (); @@ -1395,7 +1711,8 @@ main_1 (int argc, char **argv, char **envp, int restart) #ifdef HAVE_SHLIB vars_of_module (); #endif -#ifdef WINDOWSNT +#ifdef WIN32_NATIVE + vars_of_nt (); vars_of_ntproc (); #endif vars_of_objects (); @@ -1437,6 +1754,9 @@ main_1 (int argc, char **argv, char **envp, int restart) #endif #ifdef HAVE_X_WINDOWS +#ifdef HAVE_BALLOON_HELP + vars_of_balloon_x (); +#endif vars_of_device_x (); #ifdef HAVE_DIALOGS vars_of_dialog_x (); @@ -1447,14 +1767,14 @@ main_1 (int argc, char **argv, char **envp, int restart) vars_of_menubar_x (); #endif vars_of_objects_x (); - vars_of_xselect (); + vars_of_select_x (); #ifdef HAVE_SCROLLBARS vars_of_scrollbar_x (); #endif #if defined (HAVE_MENUBARS) || defined (HAVE_SCROLLBARS) || defined (HAVE_DIALOGS) || defined (HAVE_TOOLBARS) vars_of_gui_x (); #endif -#endif +#endif /* HAVE_X_WINDOWS */ #ifdef HAVE_MS_WINDOWS vars_of_device_mswindows (); @@ -1506,8 +1826,12 @@ main_1 (int argc, char **argv, char **envp, int restart) vars_of_eldap (); #endif +#ifdef HAVE_POSTGRESQL + vars_of_postgresql(); +#endif + #ifdef HAVE_GPM - vars_of_gpmevent (); + vars_of_gpmevent (); #endif /* Now initialize any specifier variables. We do this later @@ -1559,7 +1883,7 @@ main_1 (int argc, char **argv, char **envp, int restart) earlier. The second may also depend on the first. */ complex_vars_of_mule_charset (); #endif -#if defined(FILE_CODING) +#ifdef FILE_CODING complex_vars_of_file_coding (); #endif @@ -1644,6 +1968,7 @@ main_1 (int argc, char **argv, char **envp, int restart) #ifdef PDUMP } else if (!restart) { reinit_alloc_once_early (); + reinit_symbols_once_early (); reinit_opaque_once_early (); reinit_console_type_create_stream (); @@ -1706,6 +2031,7 @@ main_1 (int argc, char **argv, char **envp, int restart) reinit_vars_of_event_stream (); reinit_vars_of_events (); reinit_vars_of_extents (); + reinit_vars_of_fileio (); reinit_vars_of_font_lock (); reinit_vars_of_glyphs (); reinit_vars_of_glyphs_widget (); @@ -1718,9 +2044,7 @@ main_1 (int argc, char **argv, char **envp, int restart) #endif reinit_vars_of_objects (); reinit_vars_of_print (); - reinit_vars_of_redisplay (); reinit_vars_of_search (); - reinit_vars_of_scrollbar_x (); reinit_vars_of_undo (); reinit_vars_of_window (); @@ -1730,17 +2054,17 @@ main_1 (int argc, char **argv, char **envp, int restart) #ifdef HAVE_X_WINDOWS reinit_vars_of_device_x (); -#endif #ifdef HAVE_SCROLLBARS reinit_vars_of_scrollbar_x (); +#endif #ifdef HAVE_MENUBARS reinit_vars_of_menubar_x (); #endif - reinit_vars_of_xselect (); + reinit_vars_of_select_x (); #if defined (HAVE_MENUBARS) || defined (HAVE_SCROLLBARS) || defined (HAVE_DIALOGS) || defined (HAVE_TOOLBARS) reinit_vars_of_gui_x (); #endif -#endif +#endif /* HAVE_X_WINDOWS */ #if defined(MULE) && defined(HAVE_WNN) reinit_vars_of_mule_wnn (); @@ -1749,7 +2073,7 @@ main_1 (int argc, char **argv, char **envp, int restart) reinit_complex_vars_of_buffer (); reinit_complex_vars_of_console (); reinit_complex_vars_of_minibuf (); -#endif +#endif /* PDUMP */ } @@ -1777,7 +2101,7 @@ main_1 (int argc, char **argv, char **envp, int restart) init_initial_directory(); /* get the directory to use for the "*scratch*" buffer, etc. */ -#ifdef WINDOWSNT +#ifdef WIN32_NATIVE /* * For Win32, call init_environment() now, so that environment/registry * variables will be properly entered into Vprocess_environment. @@ -1792,16 +2116,11 @@ main_1 (int argc, char **argv, char **envp, int restart) first because many of the functions below call egetenv() to get environment variables. */ init_lread (); /* Set up the Lisp reader. */ -#ifdef MSDOS - /* Call early 'cause init_environment needs it. */ - init_dosfns (); - /* Set defaults for several environment variables. */ - init_environment (argc, argv, skip_args); -#endif - init_cmdargs (argc, argv, skip_args); /* Create list Vcommand_line_args */ + init_cmdargs (argc, (Extbyte **) argv, + skip_args); /* Create list Vcommand_line_args */ init_buffer (); /* Set default directory of *scratch* buffer */ -#ifdef WINDOWSNT +#ifdef WIN32_NATIVE init_ntproc(); #endif @@ -1815,13 +2134,16 @@ main_1 (int argc, char **argv, char **envp, int restart) #ifdef SUNPRO init_sunpro (); /* Set up Sunpro usage tracking */ #endif +#if defined (WIN32_NATIVE) || defined (CYGWIN) + init_win32 (); +#endif #if defined (HAVE_NATIVE_SOUND) && defined (hp9000s800) init_hpplay (); #endif #ifdef HAVE_TTY init_device_tty (); #endif - init_console_stream (); /* Create the first console */ + init_console_stream (restart); /* Create the first console */ /* try to get the actual pathname of the exec file we are running */ if (!restart) @@ -1857,7 +2179,7 @@ main_1 (int argc, char **argv, char **envp, int restart) Vinvocation_directory = Ffile_name_directory (Vinvocation_directory); } -#if defined(HAVE_SHLIB) && !defined(WINDOWSNT) +#if defined(HAVE_SHLIB) && !defined(WIN32_NATIVE) /* This is Unix only. MS Windows NT has a library call that does The Right Thing on that system. Rumor has it, this must be called for GNU dld in temacs and xemacs. */ @@ -1915,17 +2237,18 @@ main_1 (int argc, char **argv, char **envp, int restart) struct standard_args { - CONST char * CONST name; - CONST char * CONST longname; + const char *name; + const char *longname; int priority; int nargs; }; -static struct standard_args standard_args[] = +static const struct standard_args standard_args[] = { /* Handled by main_1 above: */ - { "-nl", "--no-shared-memory", 100, 0 }, - { "-t", "--terminal", 95, 1 }, + { "-sd", "--show-dump-id", 105, 0 }, + { "-t", "--terminal", 100, 1 }, + { "-nd", "--no-dump-file", 95, 0 }, { "-nw", "--no-windows", 90, 0 }, { "-batch", "--batch", 85, 0 }, { "-debug-paths", "--debug-paths", 82, 0 }, @@ -2120,14 +2443,6 @@ sort_args (int argc, char **argv) xfree (priority); } -static JMP_BUF run_temacs_catch; - -static int run_temacs_argc; -static char **run_temacs_argv; -static char *run_temacs_args; -static size_t run_temacs_argv_size; -static size_t run_temacs_args_size; - DEFUN ("running-temacs-p", Frunning_temacs_p, 0, 0, 0, /* True if running temacs. This means we are in the dumping stage. This is false during normal execution of the `xemacs' program, and @@ -2155,11 +2470,11 @@ Do not call this. It will reinitialize your XEmacs. You'll be sorry. (int nargs, Lisp_Object *args)) { int ac; - CONST Extbyte *wampum; + const Extbyte *wampum; int namesize; int total_len; Lisp_Object orig_invoc_name = Fcar (Vcommand_line_args); - CONST Extbyte **wampum_all = alloca_array (CONST Extbyte *, nargs); + const Extbyte **wampum_all = alloca_array (const Extbyte *, nargs); int *wampum_all_len = alloca_array (int, nargs); assert (!gc_in_progress); @@ -2170,16 +2485,17 @@ Do not call this. It will reinitialize your XEmacs. You'll be sorry. /* Need to convert the orig_invoc_name and all of the arguments to external format. */ - GET_STRING_EXT_DATA_ALLOCA (orig_invoc_name, FORMAT_OS, wampum, - namesize); + TO_EXTERNAL_FORMAT (LISP_STRING, orig_invoc_name, + ALLOCA, (wampum, namesize), + Qnative); namesize++; for (ac = 0, total_len = namesize; ac < nargs; ac++) { CHECK_STRING (args[ac]); - GET_STRING_EXT_DATA_ALLOCA (args[ac], FORMAT_OS, - wampum_all[ac], - wampum_all_len[ac]); + TO_EXTERNAL_FORMAT (LISP_STRING, args[ac], + ALLOCA, (wampum_all[ac], wampum_all_len[ac]), + Qnative); wampum_all_len[ac]++; total_len += wampum_all_len[ac]; } @@ -2201,7 +2517,7 @@ Do not call this. It will reinitialize your XEmacs. You'll be sorry. unbind_to (0, Qnil); /* this closes loadup.el */ purify_flag = 0; run_temacs_argc = nargs + 1; -#ifdef HEAP_IN_DATA +#if defined (HEAP_IN_DATA) && !defined(PDUMP) report_sheap_usage (0); #endif LONGJMP (run_temacs_catch, 1); @@ -2212,6 +2528,16 @@ Do not call this. It will reinitialize your XEmacs. You'll be sorry. int main (int argc, char **argv, char **envp) { + +#ifdef _MSC_VER + /* Under VC++, access violations and the like are not sent through + the standard signal() mechanism. Rather, they need to be handled + using the Microsoft "structured exception handling" mechanism, + which vaguely resembles the C++ mechanisms. */ + __try + { +#endif + int volatile vol_argc = argc; char ** volatile vol_argv = argv; char ** volatile vol_envp = envp; @@ -2287,7 +2613,7 @@ main (int argc, char **argv, char **envp) 06/20/96 robertl@dgii.com */ { - extern char *_environ; + extern char **_environ; if ((unsigned) environ == 0) environ=_environ; } @@ -2307,7 +2633,7 @@ main (int argc, char **argv, char **envp) int rc = malloc_set_state (malloc_state_ptr); if (rc != 0) { - fprintf (stderr, "malloc_set_state failed, rc = %d\n", rc); + stderr_out ("malloc_set_state failed, rc = %d\n", rc); abort (); } #if 0 @@ -2329,6 +2655,14 @@ main (int argc, char **argv, char **envp) run_temacs_argc = -1; main_1 (vol_argc, vol_argv, vol_envp, restarted); + +#ifdef _MSC_VER + } + /* VC++ documentation says that + GetExceptionCode() cannot be called inside the filter itself. */ + __except (mswindows_handle_hardware_exceptions (GetExceptionCode ())) {} +#endif + return 0; /* unreached */ } @@ -2373,9 +2707,7 @@ all of which are called before XEmacs is actually killed. if (!preparing_for_armageddon && !noninteractive) run_hook (Qkill_emacs_hook); - /* make sure no quitting from now on!! */ - dont_check_for_quit = 1; - Vinhibit_quit = Qt; + ensure_no_quitting_from_now_on (); if (!preparing_for_armageddon) { @@ -2389,7 +2721,7 @@ all of which are called before XEmacs is actually killed. be too dangerous), and if we get a crash somewhere within this loop, we'll still autosave and won't try this again. */ - LIST_LOOP_DELETING(concons, nextcons, Vconsole_list) + LIST_LOOP_DELETING (concons, nextcons, Vconsole_list) { /* There is very little point in deleting the stream console. It uses stdio, which should flush any buffered output and @@ -2403,7 +2735,17 @@ all of which are called before XEmacs is actually killed. UNGCPRO; - shut_down_emacs (0, STRINGP (arg) ? arg : Qnil); +#ifdef HAVE_MS_WINDOWS + /* If we displayed a message on the console, then we must allow the + user to see this message. This may be unnecessary, but can't hurt, + and we can't necessarily check arg; e.g. xemacs --help kills with + argument 0. */ + if (mswindows_message_outputted) + Fmswindows_message_box (build_string ("Messages outputted. XEmacs is exiting."), + Qnil, Qnil); +#endif + + shut_down_emacs (0, STRINGP (arg) ? arg : Qnil, 0); #if defined(GNU_MALLOC) __free_hook = @@ -2426,45 +2768,54 @@ all of which are called before XEmacs is actually killed. If SIG is a signal number, print a message for it. - This is called by fatal signal handlers, X protocol error handlers, - and Fkill_emacs. */ + This is called by fatal signal handlers and Fkill_emacs. It used to + be called by X protocol error handlers, but instead they now call + Fkill_emacs. */ static void -shut_down_emacs (int sig, Lisp_Object stuff) +shut_down_emacs (int sig, Lisp_Object stuff, int no_auto_save) { /* This function can GC */ /* Prevent running of hooks and other non-essential stuff from now on. */ preparing_for_armageddon = 1; - /* In case frames or windows are screwed up, avoid assertion - failures here */ - Vinhibit_quit = Qt; + ensure_no_quitting_from_now_on (); #ifdef QUANTIFY quantify_stop_recording_data (); #endif /* QUANTIFY */ -#if 0 /* This is absolutely the most important thing to do, so make sure we do it now, before anything else. We might have crashed and be in a weird inconsistent state, and potentially anything could set off another protection fault and cause us to bail out immediately. */ - /* I'm not removing the code entirely, yet. We have run up against + /* Steve writes the following: + + [[I'm not removing the code entirely, yet. We have run up against a spate of problems in diagnosing crashes due to crashes within crashes. It has very definitely been determined that code called during auto-saving cannot work if XEmacs crashed inside of GC. We already auto-save on an itimer so there cannot be too much unsaved stuff around, and if we get better crash reports we might - be able to get more problems fixed so I'm disabling this. -slb */ - Fdo_auto_save (Qt, Qnil); /* do this before anything hazardous */ -#endif + be able to get more problems fixed so I'm disabling this. -slb]] + + and DISABLES AUTO-SAVING ENTIRELY during crashes! Way way bad idea. + + Instead let's just be more intelligent about avoiding crashing + when possible, esp. nested crashes. + */ + if (!no_auto_save) + Fdo_auto_save (Qt, Qnil); /* do this before anything hazardous */ fflush (stdout); reset_all_consoles (); if (sig && sig != SIGTERM) { - stderr_out ("\nFatal error (%d).\n", sig); + if (sig == -1) + stderr_out ("\nFatal error.\n\n"); + else + stderr_out ("\nFatal error (%d).\n\n", sig); stderr_out ("Your files have been auto-saved.\n" "Use `M-x recover-session' to recover them.\n" @@ -2483,6 +2834,7 @@ shut_down_emacs (int sig, Lisp_Object stuff) #endif "*MAKE SURE* to include the information in the command\n" "M-x describe-installation.\n" +#ifndef _MSC_VER "\n" "If at all possible, *please* try to obtain a C stack backtrace;\n" "it will help us immensely in determining what went wrong.\n" @@ -2491,9 +2843,12 @@ shut_down_emacs (int sig, Lisp_Object stuff) "directory in which you started the editor, or maybe in your home\n" "directory), and type\n" "\n" - " gdb "); + " gdb " +#endif + ); +#ifndef _MSC_VER { - CONST char *name; + const char *name; char *dir = 0; /* Now try to determine the actual path to the executable, @@ -2518,6 +2873,7 @@ shut_down_emacs (int sig, Lisp_Object stuff) "(If you don't have GDB on your system, you might have DBX,\n" "or XDB, or SDB. A similar procedure should work for all of\n" "these. Ask your system administrator if you need more help.)\n"); +#endif /* _MSC_VER */ } stuff_buffered_input (stuff); @@ -2540,50 +2896,11 @@ shut_down_emacs (int sig, Lisp_Object stuff) #ifndef CANNOT_DUMP -/* Nothing like this can be implemented on an Apollo. - What a loss! */ +#if !defined(PDUMP) || !defined(SYSTEM_MALLOC) extern char my_edata[]; - -#ifdef HAVE_SHM - -DEFUN ("dump-emacs-data", Fdump_emacs_data, 1, 1, 0, /* -Dump current state of XEmacs into data file FILENAME. -This function exists on systems that use HAVE_SHM. -*/ - (intoname)) -{ - /* This function can GC */ - int opurify; - struct gcpro gcpro1; - GCPRO1 (intoname); - - CHECK_STRING (intoname); - intoname = Fexpand_file_name (intoname, Qnil); - - opurify = purify_flag; - purify_flag = 0; - - fflush (stderr); - fflush (stdout); - - disksave_object_finalization (); - release_breathing_space (); - - /* Tell malloc where start of impure now is */ - /* Also arrange for warnings when nearly out of space. */ -#ifndef SYSTEM_MALLOC - memory_warnings (my_edata, malloc_warning); #endif - UNGCPRO; - map_out_data (XSTRING_DATA (intoname)); - - purify_flag = opurify; - return Qnil; -} - -#else /* not HAVE_SHM */ extern void disable_free_hook (void); DEFUN ("dump-emacs", Fdump_emacs, 2, 2, 0, /* @@ -2624,7 +2941,7 @@ and announce itself normally when it is run. opurify = purify_flag; purify_flag = 0; -#ifdef HEAP_IN_DATA +#if defined (HEAP_IN_DATA) && !defined(PDUMP) report_sheap_usage (1); #endif @@ -2644,25 +2961,14 @@ and announce itself normally when it is run. UNGCPRO; -#if defined (MSDOS) && defined (EMX) - { - int fd = open ((char *) XSTRING_DATA (intoname), - O_WRONLY|O_CREAT|O_TRUNC, S_IREAD|S_IWRITE); - if (!fd) { - error ("Failure operating on %s", XSTRING_DATA (intoname)); - } else { - _core (fd); - close (fd); - } - } -#else /* not MSDOS and EMX */ { char *intoname_ext; char *symname_ext; - GET_C_STRING_FILENAME_DATA_ALLOCA (intoname, intoname_ext); + LISP_STRING_TO_EXTERNAL (intoname, intoname_ext, Qfile_name); + if (STRINGP (symname)) - GET_C_STRING_FILENAME_DATA_ALLOCA (symname, symname_ext); + LISP_STRING_TO_EXTERNAL (symname, symname_ext, Qfile_name); else symname_ext = 0; @@ -2687,33 +2993,27 @@ and announce itself normally when it is run. #endif #endif /* not PDUMP */ } -#endif /* not MSDOS and EMX */ purify_flag = opurify; return Qnil; } -#endif /* not HAVE_SHM */ - #endif /* not CANNOT_DUMP */ -#ifndef SEPCHAR -#define SEPCHAR ':' -#endif /* Split STRING into a list of substrings. The substrings are the parts of original STRING separated by SEPCHAR. */ static Lisp_Object -split_string_by_emchar_1 (CONST Bufbyte *string, Bytecount size, +split_string_by_emchar_1 (const Bufbyte *string, Bytecount size, Emchar sepchar) { Lisp_Object result = Qnil; - CONST Bufbyte *end = string + size; + const Bufbyte *end = string + size; while (1) { - CONST Bufbyte *p = string; + const Bufbyte *p = string; while (p < end) { if (charptr_emchar (p) == sepchar) @@ -2733,33 +3033,32 @@ split_string_by_emchar_1 (CONST Bufbyte *string, Bytecount size, } /* The same as the above, except PATH is an external C string (it is - converted as FORMAT_FILENAME), and sepchar is hardcoded to SEPCHAR + converted using Qfile_name), and sepchar is hardcoded to SEPCHAR (':' or whatever). */ Lisp_Object -decode_path (CONST char *path) +decode_path (const char *path) { - int len; + Bytecount newlen; Bufbyte *newpath; if (!path) return Qnil; - GET_C_CHARPTR_INT_FILENAME_DATA_ALLOCA (path, newpath); + TO_INTERNAL_FORMAT (C_STRING, path, ALLOCA, (newpath, newlen), Qfile_name); - len = strlen ((const char *) newpath); /* #### Does this make sense? It certainly does for decode_env_path(), but it looks dubious here. Does any code depend on decode_path("") returning nil instead of an empty string? */ - if (!len) + if (!newlen) return Qnil; - return split_string_by_emchar_1 (newpath, (Bytecount)len, SEPCHAR); + return split_string_by_emchar_1 (newpath, newlen, SEPCHAR); } Lisp_Object -decode_env_path (CONST char *evarname, CONST char *default_) +decode_env_path (const char *evarname, const char *default_) { - CONST char *path = 0; + const char *path = 0; if (evarname) path = egetenv (evarname); if (!path) @@ -2821,17 +3120,75 @@ Non-nil return value means XEmacs is running without interactive terminal. #ifdef USE_ASSERTIONS /* This highly dubious kludge ... shut up Jamie, I'm tired of your slagging. */ -DOESNT_RETURN -assert_failed (CONST char *file, int line, CONST char *expr) -{ - stderr_out ("Fatal error: assertion failed, file %s, line %d, %s\n", - file, line, expr); +static int in_assert_failed; +static const char *assert_failed_file; +static int assert_failed_line; +static const char *assert_failed_expr; + +#ifdef fprintf +#undef fprintf +#endif + #undef abort /* avoid infinite #define loop... */ -#if defined (WINDOWSNT) && defined (DEBUG_XEMACS) - DebugBreak (); -#elif !defined (ASSERTIONS_DONT_ABORT) + +#if defined (WIN32_NATIVE) && defined (DEBUG_XEMACS) +#define enter_debugger() DebugBreak () +#else +#define enter_debugger() +#endif + +void +assert_failed (const char *file, int line, const char *expr) +{ + /* If we're already crashing, let's not crash again. This might be + critical to getting auto-saving working properly. */ + if (fatal_error_in_progress) + return; + + /* We are extremely paranoid so we sensibly deal with recursive + assertion failures. */ + in_assert_failed++; + + if (in_assert_failed >= 4) + _exit (-1); + else if (in_assert_failed == 3) + { + enter_debugger (); + _exit (-1); + } + else if (in_assert_failed == 2) + { + /* Not stderr_out(), which does additional things and may trigger + a recursive assertion failure. fprintf was undeffed above, in + case it was encapsulated. */ + fprintf (stderr, + "Fatal error: recursive assertion failure, " + "file %s, line %d, %s\n", + file, line, expr); + fprintf (stderr, + "Original assertion failure: file %s, line %d, %s\n", + assert_failed_file, assert_failed_line, assert_failed_expr); + } + else + { + assert_failed_file = file; + assert_failed_line = line; + assert_failed_expr = expr; + + if (!initialized) + fprintf (stderr, + "Fatal error: assertion failed, file %s, line %d, %s\n", + file, line, expr); + else + stderr_out ("Fatal error: assertion failed, file %s, line %d, %s\n", + file, line, expr); + } + + enter_debugger (); +#if !defined (ASSERTIONS_DONT_ABORT) abort (); #endif + in_assert_failed = 0; } #endif /* USE_ASSERTIONS */ @@ -2870,11 +3227,7 @@ void syms_of_emacs (void) { #ifndef CANNOT_DUMP -#ifdef HAVE_SHM - DEFSUBR (Fdump_emacs_data); -#else DEFSUBR (Fdump_emacs); -#endif #endif /* !CANNOT_DUMP */ DEFSUBR (Frun_emacs_from_temacs); @@ -3021,6 +3374,11 @@ Codename of this version of Emacs (a string). #endif Vxemacs_codename = build_string (XEMACS_CODENAME); + /* Lisp variables which contain command line flags. + + The portable dumper stomps on these; they must be saved and restored + if they are processed before the call to pdump_load() in main_1(). + */ DEFVAR_BOOL ("noninteractive", &noninteractive1 /* Non-nil means XEmacs is running without interactive terminal. */ ); @@ -3071,6 +3429,8 @@ typecheck - check types strictly, aborting in case of error; malloc - check operation of malloc; gc - check garbage collection; bufpos - check buffer positions. + +quick-build - user has requested the "quick-build" configure option. */ ); Vinternal_error_checking = Qnil; #ifdef ERROR_CHECK_EXTENTS @@ -3093,6 +3453,10 @@ bufpos - check buffer positions. Vinternal_error_checking = Fcons (intern ("bufpos"), Vinternal_error_checking); #endif +#ifdef QUICK_BUILD + Vinternal_error_checking = Fcons (intern ("quick-build"), + Vinternal_error_checking); +#endif DEFVAR_CONST_LISP ("mail-lock-methods", &Vmail_lock_methods /* Mail spool locking methods supported by this instance of XEmacs. @@ -3115,7 +3479,7 @@ following: dot, lockf, flock, locking, mmdf. Vmail_lock_methods = Fcons (intern ("locking"), Vmail_lock_methods); #endif } - + DEFVAR_CONST_LISP ("configure-mail-lock-method", &Vconfigure_mail_lock_method /* Mail spool locking method suggested by configure. This is one of the symbols in MAIL-LOCK-METHODS. @@ -3231,7 +3595,8 @@ configure's idea of what the package path will be. *Directory of architecture-independent files that come with XEmacs, intended for XEmacs to use. Use of this variable in new code is almost never correct. See the -function `locate-data-directory' and the variable `data-directory-list'. +functions `locate-data-file' and `locate-data-directory' and the variable +`data-directory-list'. */ ); Vdata_directory = Qnil; @@ -3252,19 +3617,6 @@ or were installed as packages, and are intended for XEmacs to use. */ ); Vdata_directory_list = Qnil; -#ifdef CLASH_DETECTION - DEFVAR_LISP ("configure-lock-directory", &Vconfigure_lock_directory /* -For internal use by the build procedure only. -configure's idea of what LOCK-DIRECTORY will be. -*/ ); -#ifdef PATH_LOCK - Vconfigure_lock_directory = Ffile_name_as_directory - (build_string ((char *) PATH_LOCK)); -#else - Vconfigure_lock_directory = Qnil; -#endif -#endif /* CLASH_DETECTION */ - DEFVAR_LISP ("site-directory", &Vsite_directory /* *Directory of site-specific Lisp files that come with XEmacs. */ ); @@ -3362,7 +3714,7 @@ The configured initial path for info documentation. #if defined(__sgi) && !defined(PDUMP) /* This is so tremendously ugly I'd puke. But then, it works. * The target is to override the static constructor from the - * libiflPNG.so library which is maskerading as libz, and + * libiflPNG.so library which is masquerading as libz, and * cores on us when re-started from the dumped executable. * This will have to go for 21.1 -- OG. */