X-Git-Url: http://git.chise.org/gitweb/?a=blobdiff_plain;f=src%2Femacs.c;h=4011db7715f48aede992a906254e3f6ef889ac70;hb=50c037f1fca5070b3d9fec278f9aee4c0d358b1c;hp=6d0450045703d293809e6efb76b6853877aaffab;hpb=ac7d0619aad74b1d57c4748ebb3ab29d9c32e3d8;p=chise%2Fxemacs-chise.git.1 diff --git a/src/emacs.c b/src/emacs.c index 6d04500..4011db7 100644 --- a/src/emacs.c +++ b/src/emacs.c @@ -2,7 +2,8 @@ Copyright (C) 1985, 1986, 1987, 1992, 1993, 1994 Free Software Foundation, Inc. Copyright (C) 1995 Sun Microsystems, Inc. - Copyright (C) 2000 Ben Wing. + Copyright (C) 2000, 2002 Ben Wing. + Copyright (C) 2000,2002,2005,2006,2010 MORIOKA Tomohiko. This file is part of XEmacs. @@ -180,6 +181,10 @@ version 18.59 released October 31, 1992. #include "sysfile.h" #include "systime.h" +#ifdef CYGWIN +#include "syswindows.h" +#endif + #ifdef PDUMP #include "dumper.h" #endif @@ -288,6 +293,7 @@ Lisp_Object Vexec_path; Lisp_Object Vexec_directory, Vconfigure_exec_directory; Lisp_Object Vlisp_directory, Vconfigure_lisp_directory; Lisp_Object Vmule_lisp_directory, Vconfigure_mule_lisp_directory; +Lisp_Object Vutf_2000_lisp_directory, Vconfigure_utf_2000_lisp_directory; Lisp_Object Vmodule_directory, Vconfigure_module_directory; Lisp_Object Vsite_module_directory, Vconfigure_site_module_directory; Lisp_Object Vconfigure_package_path; @@ -340,7 +346,7 @@ uintptr_t bss_end = 0; #endif /* Number of bytes of writable memory we can expect to be able to get */ -unsigned int lim_data; +unsigned long lim_data; /* WARNING! @@ -461,6 +467,9 @@ int fatal_error_in_progress; or do other non-essential stuff. */ int preparing_for_armageddon; +/* Nonzero means we're in an unstable situation and need to skip + i18n conversions and such during printing. */ +int inhibit_non_essential_printing_operations; static JMP_BUF run_temacs_catch; @@ -472,6 +481,101 @@ static EMACS_INT run_temacs_args_size; static void shut_down_emacs (int sig, Lisp_Object stuff, int no_auto_save); +/* ------------------------------- */ +/* low-level debugging functions */ +/* ------------------------------- */ + +#if defined (WIN32_NATIVE) && defined (DEBUG_XEMACS) +#define debugging_breakpoint() DebugBreak () +#else +#define debugging_breakpoint() +#endif + +void +debug_break (void) +{ + debugging_breakpoint (); +} + +#if defined (WIN32_NATIVE) || defined (CYGWIN) + +/* Return whether all bytes in the specified memory block can be read. */ +int +debug_can_access_memory (void *ptr, Bytecount len) +{ + return !IsBadReadPtr (ptr, len); +} + +#else /* !(defined (WIN32_NATIVE) || defined (CYGWIN)) */ + +/* #### There must be a better way!!!! */ + +static JMP_BUF memory_error_jump; + +static SIGTYPE +debug_memory_error (int signum) +{ + EMACS_REESTABLISH_SIGNAL (signum, debug_memory_error); + EMACS_UNBLOCK_SIGNAL (signum); + LONGJMP (memory_error_jump, 1); +} + +/* Return whether all bytes in the specified memory block can be read. */ +int +debug_can_access_memory (void *ptr, Bytecount len) +{ + /* Use volatile to protect variables from being clobbered by longjmp. */ + SIGTYPE (*volatile old_sigbus) (int); + SIGTYPE (*volatile old_sigsegv) (int); + volatile int old_errno = errno; + volatile int retval = 1; + + if (!SETJMP (memory_error_jump)) + { + old_sigbus = + (SIGTYPE (*) (int)) signal (SIGBUS, debug_memory_error); + old_sigsegv = + (SIGTYPE (*) (int)) signal (SIGSEGV, debug_memory_error); + + if (len > 1) + /* If we can, try to avoid problems with super-optimizing compilers + that might decide that memcmp (ptr, ptr, len) can be optimized + away since its result is always 1. */ + memcmp (ptr, (char *) ptr + 1, len - 1); + else + memcmp (ptr, ptr, len); + } + else + retval = 0; + signal (SIGBUS, old_sigbus); + signal (SIGSEGV, old_sigsegv); + errno = old_errno; + + return retval; +} + +#endif /* defined (WIN32_NATIVE) || defined (CYGWIN) */ + +#ifdef DEBUG_XEMACS + +DEFUN ("force-debugging-signal", Fforce_debugging_signal, 0, 1, 0, /* +Cause XEmacs to enter the debugger. +On some systems, there may be no way to do this gracefully; if so, +nothing happens unless ABORT is non-nil, in which case XEmacs will +ABORT() -- a sure-fire way to immediately get back to the debugger, +but also a sure-fire way to kill XEmacs (and dump core on Unix +systems)! +*/ + (abort_)) +{ + debugging_breakpoint (); + if (!NILP (abort_)) + ABORT (); + return Qnil; +} + +#endif /* DEBUG_XEMACS */ + static void ensure_no_quitting_from_now_on (void) { @@ -486,6 +590,7 @@ SIGTYPE fatal_error_signal (int sig) { fatal_error_in_progress++; + inhibit_non_essential_printing_operations = 1; preparing_for_armageddon = 1; ensure_no_quitting_from_now_on (); @@ -557,6 +662,7 @@ mswindows_handle_hardware_exceptions (DWORD code) __try { fatal_error_in_progress++; + inhibit_non_essential_printing_operations = 1; preparing_for_armageddon = 1; ensure_no_quitting_from_now_on (); @@ -869,6 +975,7 @@ main_1 (int argc, char **argv, char **envp, int restart) #endif /* not SYSTEM_MALLOC or HAVE_LIBMCHECK or DOUG_LEA_MALLOC */ noninteractive = 0; + inhibit_non_essential_printing_operations = 1; #ifdef NeXT /* 19-Jun-1995 -baw @@ -1482,6 +1589,10 @@ main_1 (int argc, char **argv, char **envp, int restart) syms_of_postgresql (); #endif +#ifdef HAVE_CONCORD + syms_of_concord (); +#endif + /* Now create the subtypes for the types that have them. We do this before the vars_*() because more symbols may get initialized here. */ @@ -1608,6 +1719,9 @@ main_1 (int argc, char **argv, char **envp, int restart) structure_type_create_faces (); structure_type_create_rangetab (); structure_type_create_hash_table (); +#ifdef HAVE_CONCORD + structure_type_create_concord (); +#endif /* Now initialize the image instantiator formats and associated symbols. Other than the first function below, the functions may @@ -1937,6 +2051,10 @@ main_1 (int argc, char **argv, char **envp, int restart) vars_of_postgresql(); #endif +#ifdef HAVE_CONCORD + vars_of_concord (); +#endif + #ifdef HAVE_GPM vars_of_gpmevent (); #endif @@ -2069,6 +2187,11 @@ main_1 (int argc, char **argv, char **envp, int restart) /* Calls make_lisp_hash_table() and creates a keymap */ complex_vars_of_event_stream (); + /* This initializes data-sources of built-in genres */ +#ifdef HAVE_CONCORD + complex_vars_of_concord (); +#endif + #ifdef ERROR_CHECK_GC { extern int always_gc; @@ -2111,6 +2234,9 @@ main_1 (int argc, char **argv, char **envp, int restart) structure_type_create_faces (); structure_type_create_rangetab (); structure_type_create_hash_table (); +#ifdef HAVE_CONCORD + structure_type_create_concord (); +#endif lstream_type_create (); #ifdef FILE_CODING @@ -2349,6 +2475,7 @@ main_1 (int argc, char **argv, char **envp, int restart) #endif /* QUANTIFY */ initialized = 1; + inhibit_non_essential_printing_operations = 0; /* This never returns. */ initial_command_loop (load_me); @@ -2550,7 +2677,7 @@ sort_args (int argc, char **argv) } if (best < 0) - abort (); + ABORT (); /* Copy the highest priority remaining option, with its args, to NEW_ARGV. */ new_argv[to++] = argv[best]; @@ -2700,6 +2827,7 @@ main (int argc, char **argv, char **envp) quantify_clear_data (); #endif /* QUANTIFY */ + inhibit_non_essential_printing_operations = 1; suppress_early_error_handler_backtrace = 0; lim_data = 0; /* force reinitialization of this variable */ @@ -2713,7 +2841,8 @@ main (int argc, char **argv, char **envp) if (!initialized) { #ifdef DOUG_LEA_MALLOC - mallopt (M_MMAP_MAX, 0); + if (mallopt (M_MMAP_MAX, 0) != 1) + ABORT(); #endif run_temacs_argc = 0; if (! SETJMP (run_temacs_catch)) @@ -2760,7 +2889,7 @@ main (int argc, char **argv, char **envp) if (rc != 0) { stderr_out ("malloc_set_state failed, rc = %d\n", rc); - abort (); + ABORT (); } #if 0 free (malloc_state_ptr); @@ -2770,7 +2899,8 @@ main (int argc, char **argv, char **envp) defined(_NO_MALLOC_WARNING_) || \ (defined(__GLIBC__) && __GLIBC_MINOR__ < 1 && !defined(MULE)) || \ defined(DEBUG_DOUG_LEA_MALLOC) - mallopt (M_MMAP_MAX, 64); + if(mallopt (M_MMAP_MAX, 0) != 1) + ABORT(); #endif #ifdef REL_ALLOC r_alloc_reinit (); @@ -2804,7 +2934,8 @@ voodoo_free_hook (void *mem) /* Disable all calls to free() when XEmacs is exiting and it doesn't */ /* matter. */ __free_hook = -#ifdef __GNUC__ /* prototype of __free_hook varies with glibc version */ +#if defined __GNUC__ || defined __INTEL_COMPILER +/* prototype of __free_hook varies with glibc version */ (__typeof__ (__free_hook)) #endif voodoo_free_hook; @@ -2878,7 +3009,8 @@ all of which are called before XEmacs is actually killed. #if defined(GNU_MALLOC) __free_hook = -#ifdef __GNUC__ /* prototype of __free_hook varies with glibc version */ +#if defined __GNUC__ || defined __INTEL_COMPILER +/* prototype of __free_hook varies with glibc version */ (__typeof__ (__free_hook)) #endif voodoo_free_hook; @@ -2959,7 +3091,7 @@ shut_down_emacs (int sig, Lisp_Object stuff, int no_auto_save) #else "Please report this bug by invoking M-x report-emacs-bug,\n" "or by selecting `Send Bug Report' from the Help menu. If necessary, send\n" - "ordinary email to `crashes@xemacs.org'. *MAKE SURE* to include the XEmacs\n" + "ordinary email to `xemacs-beta@xemacs.org'. *MAKE SURE* to include the XEmacs\n" "configuration from M-x describe-installation, or equivalently the file\n" "Installation in the top of the build tree.\n" #endif @@ -3245,7 +3377,6 @@ Non-nil return value means XEmacs is running without interactive terminal. in one session without having to recompile. */ /* #define ASSERTIONS_DONT_ABORT */ -#ifdef USE_ASSERTIONS /* This highly dubious kludge ... shut up Jamie, I'm tired of your slagging. */ static int in_assert_failed; @@ -3257,8 +3388,6 @@ static const char *assert_failed_expr; #undef fprintf #endif -#undef abort /* avoid infinite #define loop... */ - #if defined (WIN32_NATIVE) && defined (DEBUG_XEMACS) #define enter_debugger() DebugBreak () #else @@ -3276,6 +3405,7 @@ assert_failed (const char *file, int line, const char *expr) /* We are extremely paranoid so we sensibly deal with recursive assertion failures. */ in_assert_failed++; + inhibit_non_essential_printing_operations = 1; if (in_assert_failed >= 4) _exit (-1); @@ -3314,11 +3444,11 @@ assert_failed (const char *file, int line, const char *expr) enter_debugger (); #if !defined (ASSERTIONS_DONT_ABORT) - abort (); + abort (); /* The real abort(), this time */ #endif + inhibit_non_essential_printing_operations = 0; in_assert_failed = 0; } -#endif /* USE_ASSERTIONS */ #ifdef QUANTIFY DEFUN ("quantify-start-recording-data", Fquantify_start_recording_data, @@ -3365,6 +3495,10 @@ syms_of_emacs (void) DEFSUBR (Fkill_emacs); DEFSUBR (Fnoninteractive); +#ifdef DEBUG_XEMACS + DEFSUBR (Fforce_debugging_signal); +#endif + #ifdef QUANTIFY DEFSUBR (Fquantify_start_recording_data); DEFSUBR (Fquantify_stop_recording_data); @@ -3500,7 +3634,34 @@ Codename of this version of Emacs (a string). #ifndef XEMACS_CODENAME #define XEMACS_CODENAME "Noname" #endif +#ifdef MULE + { + char dest[129]; + char src[64] = XEMACS_CODENAME; + unsigned char* sp = (unsigned char*)src; + int i = 0, chr; + + while ( (chr = *sp++) && (i < 128) ) + { + if (chr <= 0x7F) + dest[i++] = chr; + else + { +#ifdef UTF2000 + dest[i++] = (chr >> 6) | 0xC0; + dest[i++] = (chr & 0x3F) | 0x80; +#else + dest[i++] = LEADING_BYTE_LATIN_ISO8859_1; + dest[i++] = chr; +#endif + } + } + dest[i] = 0; + Vxemacs_codename = build_string (dest); + } +#else Vxemacs_codename = build_string (XEMACS_CODENAME); +#endif /* Lisp variables which contain command line flags. @@ -3709,6 +3870,23 @@ configure's idea of what `mule-lisp-directory' will be. Vconfigure_mule_lisp_directory = Qnil; #endif + DEFVAR_LISP ("utf-2000-lisp-directory", &Vutf_2000_lisp_directory /* +*Directory of UTF-2000 Lisp files that come with XEmacs. +*/ ); + Vutf_2000_lisp_directory = Qnil; + + DEFVAR_LISP ("configure-utf-2000-lisp-directory", + &Vconfigure_utf_2000_lisp_directory /* +For internal use by the build procedure only. +configure's idea of what `utf-2000-lisp-directory' will be. +*/ ); +#ifdef PATH_UTF2000LOADSEARCH + Vconfigure_utf_2000_lisp_directory = Ffile_name_as_directory + (build_string ((char *) PATH_UTF2000LOADSEARCH)); +#else + Vconfigure_utf_2000_lisp_directory = Qnil; +#endif + DEFVAR_LISP ("module-directory", &Vmodule_directory /* *Directory of core dynamic modules that come with XEmacs. */ );