/* Includes for memory limit warnings.
- Copyright (C) 1990, 1993, 1994, 1995 Free Software Foundation, Inc.
+ Copyright (C) 1990, 1993, 1994, 1995, 1996, 2002, 2003, 2004,
+ 2005, 2006 Free Software Foundation, Inc.
This file is part of GNU Emacs.
You should have received a copy of the GNU General Public License
along with GNU Emacs; see the file COPYING. If not, write to
-the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA. */
+the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
+Boston, MA 02110-1301, USA. */
#ifdef MSDOS
#include <dpmi.h>
+extern int etext;
#endif
/* Some systems need this before <sys/resource.h>. */
#define BSD4_2 /* Tell code below to use getrlimit. */
/* Old Linux startup code won't define __data_start. */
-extern int __data_start; weak_symbol (__data_start)
+extern int etext, __data_start; weak_extern (__data_start)
#define start_of_data() (&__data_start ?: &etext)
#else /* not _LIBC */
-#if defined (__osf__) && (defined (__mips) || defined (mips) || defined(__alpha))
-#include <sys/time.h>
-#include <sys/resource.h>
+#ifdef HAVE_SYS_RESOURCE_H
+# include <sys/time.h>
+# include <sys/resource.h>
+#else
+# if HAVE_SYS_VLIMIT_H
+# include <sys/vlimit.h> /* Obsolete, says glibc */
+# endif
#endif
#ifdef __bsdi__
#define BSD4_2
#endif
+#ifdef CYGWIN
+#define BSD4_2
+#endif
+
#ifndef BSD4_2
#ifndef USG
#ifndef MSDOS
/* The important properties of this type are that 1) it's a pointer, and
2) arithmetic on it should work as if the size of the object pointed
to has a size of 1. */
-#ifdef __STDC__
-typedef void *POINTER;
-#else
-typedef char *POINTER;
-#endif
+typedef POINTER_TYPE *POINTER;
typedef unsigned long SIZE;
#define NULL ((POINTER) 0)
extern POINTER start_of_data ();
-#ifdef DATA_SEG_BITS
+#if defined USE_LSB_TAG
+#define EXCEEDS_LISP_PTR(ptr) 0
+#elif defined DATA_SEG_BITS
#define EXCEEDS_LISP_PTR(ptr) \
(((EMACS_UINT) (ptr) & ~DATA_SEG_BITS) >> VALBITS)
#else
#define EXCEEDS_LISP_PTR(ptr) ((EMACS_UINT) (ptr) >> VALBITS)
#endif
-#ifdef BSD
+#ifdef DATA_START
+#define start_of_data() ((char *)DATA_START)
+#endif
+
+#ifdef BSD_SYSTEM
#ifndef DATA_SEG_BITS
+#ifndef DATA_START
extern char etext;
#define start_of_data() &etext
#endif
#endif
+#endif
#else /* not emacs */
extern char etext;
#endif /* not _LIBC */
-/* start of data space; can be changed by calling malloc_init */
-static POINTER data_space_start;
-
-/* Number of bytes of writable memory we can expect to be able to get */
-static unsigned int lim_data;
-
-#ifdef NO_LIM_DATA
-static void
-get_lim_data ()
-{
- lim_data = -1;
-}
-#else /* not NO_LIM_DATA */
-
-#ifdef USG
-
-static void
-get_lim_data ()
-{
- extern long ulimit ();
-
- lim_data = -1;
-
- /* Use the ulimit call, if we seem to have it. */
-#if !defined (ULIMIT_BREAK_VALUE) || defined (LINUX)
- lim_data = ulimit (3, 0);
-#endif
-
- /* If that didn't work, just use the macro's value. */
-#ifdef ULIMIT_BREAK_VALUE
- if (lim_data == -1)
- lim_data = ULIMIT_BREAK_VALUE;
-#endif
-
- lim_data -= (long) data_space_start;
-}
-
-#else /* not USG */
-#ifdef WINDOWSNT
-
-static void
-get_lim_data ()
-{
- extern unsigned long data_region_size;
- lim_data = data_region_size;
-}
-
-#else
-#if !defined (BSD4_2) && !defined (__osf__)
-
-#ifdef MSDOS
-void
-get_lim_data ()
-{
- _go32_dpmi_meminfo info;
-
- _go32_dpmi_get_free_memory_information (&info);
- lim_data = info.available_memory;
-}
-#else /* not MSDOS */
-static void
-get_lim_data ()
-{
- lim_data = vlimit (LIM_DATA, -1);
-}
-#endif /* not MSDOS */
-
-#else /* BSD4_2 */
-
-static void
-get_lim_data ()
-{
- struct rlimit XXrlimit;
-
- getrlimit (RLIMIT_DATA, &XXrlimit);
-#ifdef RLIM_INFINITY
- lim_data = XXrlimit.rlim_cur & RLIM_INFINITY; /* soft limit */
-#else
- lim_data = XXrlimit.rlim_cur; /* soft limit */
-#endif
-}
-#endif /* BSD4_2 */
-#endif /* not WINDOWSNT */
-#endif /* not USG */
-#endif /* not NO_LIM_DATA */
+/* arch-tag: fe39244e-e54f-4208-b7aa-02556f7841c5
+ (do not change this comment) */