* Re: GC crashes
2003-12-04 0:29 ` Stefan Monnier
@ 2003-12-04 1:12 ` Kenichi Handa
2003-12-04 2:21 ` Kenichi Handa
0 siblings, 1 reply; 23+ messages in thread
From: Kenichi Handa @ 2003-12-04 1:12 UTC (permalink / raw)
Cc: emacs-devel
In article <jwvoeupih89.fsf-monnier+emacs/devel@vor.iro.umontreal.ca>, Stefan Monnier <monnier@IRO.UMontreal.CA> writes:
>>>> C-u C-h t thai RET
>>>> C-v (repeatedly until you reach the bottom)
>>>> C-x k RET
>>>> M-x garbage-collect RET
>>>> C-u C-h t thai RET
>>>> C-v (repeatedly)
>>>> You'll encounter segfault before you reach the bottom.
> I just tried it about 20 times in a row: no luck.
> Could there be a dependence on the locale or some other such thing ?
No. I've just tried with an X server of no Thai font in
English lang. env. Only I can see in TUTORIAL.th buffer is
ASCII and empty boxies, but Emacs still crashes after less
than 4 tries in a raw.
> I built on GNU/Linux, x86, with Xaw3d just like you, so I don't know what
> else might come into play.
How did you configure Emacs? I just ran "configure" with no
args. How about your gc-cons-threshold? Mine is 400000,
which I think is the default. What else can you think of
that may affect the GC-related behaviour? The attached is
my src/config.h.
---
Ken'ichi HANDA
handa@m17n.org
/* src/config.h. Generated by configure. */
/* src/config.in. Generated from configure.in by autoheader. */
/* GNU Emacs site configuration template file.
Copyright (C) 1988, 93, 94, 99, 2000, 2002 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 2, 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
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
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. */
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#define REL_ALLOC 1
/* Define as the return type of signal handlers (`int' or `void'). */
#define RETSIGTYPE void
/* If using the C implementation of alloca, define if you know the
direction of stack growth for your system; otherwise it will be
automatically deduced at run-time.
STACK_DIRECTION > 0 => grows toward higher addresses
STACK_DIRECTION < 0 => grows toward lower addresses
STACK_DIRECTION = 0 => direction of growth unknown */
/* #undef STACK_DIRECTION */
/* Define to 1 if you have the ANSI C header files. */
#define STDC_HEADERS 1
/* Define to 1 on System V Release 4. */
/* #undef SVR4 */
/* Define to 1 if you can safely include both <sys/time.h> and <time.h>. */
#define TIME_WITH_SYS_TIME 1
/* Define to 1 if your <sys/time.h> declares `struct tm'. */
/* #undef TM_IN_SYS_TIME */
/* Define to 1 for Encore UMAX. */
/* #undef UMAX */
/* Define to 1 for Encore UMAX 4.3 that has <inq_status/cpustats.h> instead of
<sys/cpustats.h>. */
/* #undef UMAX4_3 */
/* Define to the unexec source file name. */
#define UNEXEC_SRC unexelf.c
/* Define to 1 if we should use toolkit scroll bars. */
#define USE_TOOLKIT_SCROLL_BARS 1
/* Define to 1 if we should use XIM, if it is available. */
#define USE_XIM 1
/* Define to 1 if using an X toolkit. */
#define USE_X_TOOLKIT 1
/* Define to the type of the 6th arg of XRegisterIMInstantiateCallback, either
XPointer or XPointer*. */
#define XRegisterIMInstantiateCallback_arg6 XPointer
/* Define to 1 if on AIX 3.
System headers sometimes define this.
We just want to avoid a redefinition error message. */
#ifndef _ALL_SOURCE
/* # undef _ALL_SOURCE */
#endif
/* Number of bits in a file offset, on hosts where this is settable. */
#define _FILE_OFFSET_BITS 64
/* Enable GNU extensions on systems that have them. */
#ifndef _GNU_SOURCE
# define _GNU_SOURCE 1
#endif
/* Define to 1 to make fseeko visible on some hosts (e.g. glibc 2.2). */
/* #undef _LARGEFILE_SOURCE */
/* Define for large files, on AIX-style hosts. */
/* #undef _LARGE_FILES */
/* Define like PROTOTYPES; this can be used by system headers. */
#define __PROTOTYPES 1
/* Define to compiler's equivalent of C99 restrict keyword. Don't define if
equivalent is `__restrict'. */
/* #undef __restrict */
/* Define to compiler's equivalent of C99 restrict keyword in array
declarations. Define as empty for no equivalent. */
/* #undef __restrict_arr */
/* Define to the used machine dependent file. */
#define config_machfile "m/intel386.h"
/* Define to the used os dependent file. */
#define config_opsysfile "s/gnu-linux.h"
/* Define to empty if `const' does not conform to ANSI C. */
/* #undef const */
/* Define to a type if <wchar.h> does not define. */
/* #undef mbstate_t */
/* Define to `int' if <sys/types.h> does not define. */
/* #undef pid_t */
/* Define to any substitute for sys_siglist. */
/* #undef sys_siglist */
/* Define as `fork' if `vfork' does not work. */
/* #undef vfork */
/* Define to empty if the keyword `volatile' does not work. Warning: valid
code using `volatile' can become incorrect without. Disable with care. */
/* #undef volatile */
/* If we're using any sort of window system, define some consequences. */
#ifdef HAVE_X_WINDOWS
#define HAVE_WINDOW_SYSTEM
#define MULTI_KBOARD
#define HAVE_MOUSE
#endif
/* If we're using the Carbon API on Mac OS X, define a few more
variables as well. */
#ifdef HAVE_CARBON
#define HAVE_WINDOW_SYSTEM
#define HAVE_MOUSE
#endif
/* Define USER_FULL_NAME to return a string
that is the user's full name.
It can assume that the variable `pw'
points to the password file entry for this user.
At some sites, the pw_gecos field contains
the user's full name. If neither this nor any other
field contains the right thing, use pw_name,
giving the user's login name, since that is better than nothing. */
#define USER_FULL_NAME pw->pw_gecos
/* Define AMPERSAND_FULL_NAME if you use the convention
that & in the full name stands for the login id. */
/* Turned on June 1996 supposing nobody will mind it. */
#define AMPERSAND_FULL_NAME
/* We have blockinput.h. */
#define DO_BLOCK_INPUT
/* Define HAVE_SOUND if we have sound support. We know it works
and compiles only on the specified platforms. For others,
it probably doesn't make sense to try. */
#if defined __FreeBSD__ || defined __NetBSD__ || defined __linux__
#ifdef HAVE_MACHINE_SOUNDCARD_H
#define HAVE_SOUND 1
#endif
#ifdef HAVE_SYS_SOUNDCARD_H
#define HAVE_SOUND 1
#endif
#ifdef HAVE_SOUNDCARD_H
#define HAVE_SOUND 1
#endif
#endif /* __FreeBSD__ || __NetBSD__ || __linux__ */
/* If using GNU, then support inline function declarations. */
/* Don't try to switch on inline handling as detected by AC_C_INLINE
generally, because even if non-gcc compilers accept `inline', they
may reject `extern inline'. */
#ifdef __GNUC__
#define INLINE __inline__
#else
#define INLINE
#endif
/* Include the os and machine dependent files. */
#include config_opsysfile
#include config_machfile
/* Load in the conversion definitions if this system
needs them and the source file being compiled has not
said to inhibit this. There should be no need for you
to alter these lines. */
#ifdef SHORTNAMES
#ifndef NO_SHORTNAMES
#include "../shortnames/remap.h"
#endif /* not NO_SHORTNAMES */
#endif /* SHORTNAMES */
/* If no remapping takes place, static variables cannot be dumped as
pure, so don't worry about the `static' keyword. */
#ifdef NO_REMAP
/* #undef static */
#endif
/* Define `subprocesses' should be defined if you want to
have code for asynchronous subprocesses
(as used in M-x compile and M-x shell).
These do not work for some USG systems yet;
for the ones where they work, the s/SYSTEM.h file defines this flag. */
#ifndef VMS
#ifndef USG
/* #define subprocesses */
#endif
#endif
/* SIGTYPE is the macro we actually use. */
#ifndef SIGTYPE
#define SIGTYPE RETSIGTYPE
#endif
#ifdef emacs /* Don't do this for lib-src. */
/* Tell regex.c to use a type compatible with Emacs. */
#define RE_TRANSLATE_TYPE Lisp_Object
#define RE_TRANSLATE(TBL, C) CHAR_TABLE_TRANSLATE (TBL, C)
#define RE_TRANSLATE_P(TBL) (XFASTINT (TBL) != 0)
#endif
/* Avoid link-time collision with system mktime if we will use our own. */
#if ! HAVE_MKTIME || BROKEN_MKTIME
#define mktime emacs_mktime
#endif
#define my_strftime nstrftime /* for strftime.c */
/* The rest of the code currently tests the CPP symbol BSTRING.
Override any claims made by the system-description files.
Note that on some SCO version it is possible to have bcopy and not bcmp. */
/* #undef BSTRING */
#if defined (HAVE_BCOPY) && defined (HAVE_BCMP)
#define BSTRING
#endif
/* Some of the files of Emacs which are intended for use with other
programs assume that if you have a config.h file, you must declare
the type of getenv.
This declaration shouldn't appear when alloca.s or Makefile.in
includes config.h. */
#ifndef NOT_C_CODE
extern char *getenv ();
#endif
/* These default definitions are good for almost all machines.
The exceptions override them in m/MACHINE.h. */
#ifndef BITS_PER_CHAR
#define BITS_PER_CHAR 8
#endif
#ifndef BITS_PER_SHORT
#define BITS_PER_SHORT 16
#endif
/* Note that lisp.h uses this in a preprocessor conditional, so it
would not work to use sizeof. That being so, we do all of them
without sizeof, for uniformity's sake. */
#ifndef BITS_PER_INT
#define BITS_PER_INT 32
#endif
#ifndef BITS_PER_LONG
#ifdef _LP64
#define BITS_PER_LONG 64
#else
#define BITS_PER_LONG 32
#endif
#endif
/* Define if the compiler supports function prototypes. It may do so
but not define __STDC__ (e.g. DEC C by default) or may define it as
zero. */
#define PROTOTYPES 1
/* For mktime.c: */
#ifndef __P
# if defined PROTOTYPES
# define __P(args) args
# else
# define __P(args) ()
# endif /* GCC. */
#endif /* __P */
/* Don't include "string.h" or <stdlib.h> in non-C code. */
#ifndef NOT_C_CODE
#ifdef HAVE_STRING_H
#include "string.h"
#endif
#ifdef HAVE_STRINGS_H
#include "strings.h" /* May be needed for bcopy & al. */
#endif
#ifdef HAVE_STDLIB_H
#include <stdlib.h>
#endif
#ifndef __GNUC__
# ifdef HAVE_ALLOCA_H
# include <alloca.h>
# else /* AIX files deal with #pragma. */
# ifndef alloca /* predefined by HP cc +Olibcalls */
char *alloca ();
# endif
# endif /* HAVE_ALLOCA_H */
#endif /* __GNUC__ */
#ifndef HAVE_SIZE_T
typedef unsigned size_t;
#endif
#endif /* NOT_C_CODE */
/* Define HAVE_X_I18N if we have usable i18n support. */
#ifdef HAVE_X11R6
#define HAVE_X_I18N
#elif defined HAVE_X11R5 && !defined X11R5_INHIBIT_I18N
#define HAVE_X_I18N
#endif
/* Define HAVE_X11R6_XIM if we have usable X11R6-style XIM support. */
#if defined HAVE_X11R6 && !defined INHIBIT_X11R6_XIM
#define HAVE_X11R6_XIM
#endif
/* Should we enable expensive run-time checking of data types? */
/* #undef ENABLE_CHECKING */
#if defined __GNUC__ && (__GNUC__ > 2 \
|| (__GNUC__ == 2 && __GNUC_MINOR__ >= 5))
#define NO_RETURN __attribute__ ((__noreturn__))
#else
#define NO_RETURN /* nothing */
#endif
/* These won't be used automatically yet. We also need to know, at least,
that the stack is continuous. */
#ifdef __GNUC__
# ifndef GC_SETJMP_WORKS
/* GC_SETJMP_WORKS is nearly always appropriate for GCC --
see NON_SAVING_SETJMP in the target descriptions. */
/* Exceptions (see NON_SAVING_SETJMP in target description) are ns32k,
SCO5 non-ELF (but Emacs specifies ELF) and SVR3 on x86.
Fixme: Deal with ns32k, SVR3. */
# define GC_SETJMP_WORKS 1
# endif
# ifndef GC_LISP_OBJECT_ALIGNMENT
# define GC_LISP_OBJECT_ALIGNMENT (__alignof__ (Lisp_Object))
# endif
#endif
#ifndef HAVE_BCOPY
#define bcopy(a,b,s) memcpy (b,a,s)
#endif
#ifndef HAVE_BZERO
#define bzero(a,s) memset (a,0,s)
#endif
#ifndef HAVE_BCMP
#define BCMP memcmp
#endif
#endif /* EMACS_CONFIG_H */
/*
Local Variables:
mode: c
End:
*/
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