/* Includes for memory limit warnings.
- Copyright (C) 1990, 1992 Free Software Foundation, Inc.
+ Copyright (C) 1990, 1993 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 1, or (at your option)
+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,
along with GNU Emacs; see the file COPYING. If not, write to
the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA. */
+#ifdef _LIBC
+
+#include <sys/resource.h>
+#define BSD4_2 /* Tell code below to use getrlimit. */
+
+#else
+
+#if defined(__osf__) && (defined(__mips) || defined(mips))
+#include <sys/time.h>
+#include <sys/resource.h>
+#endif
+
+#ifdef __bsdi__
+#define BSD4_2
+#endif
+
#ifndef BSD4_2
#ifndef USG
#include <sys/vlimit.h>
#include <sys/resource.h>
#endif /* BSD4_2 */
+#endif /* _LIBC */
+
#ifdef emacs
/* 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
#define NULL ((POINTER) 0)
extern POINTER start_of_data ();
+#ifdef DATA_SEG_BITS
+#define EXCEEDS_LISP_PTR(ptr) \
+ (((unsigned int) (ptr) & ~DATA_SEG_BITS) >> VALBITS)
+#else
#define EXCEEDS_LISP_PTR(ptr) ((unsigned int) (ptr) >> VALBITS)
+#endif
#ifdef BSD
#ifndef DATA_SEG_BITS
/* Number of bytes of writable memory we can expect to be able to get */
static unsigned int lim_data;
-#ifndef emacs
-#define start_of_data (void *) &_end
-#endif
-
#ifdef USG
+static void
get_lim_data ()
{
extern long ulimit ();
-
-#ifdef ULIMIT_BREAK_VALUE
- lim_data = ULIMIT_BREAK_VALUE;
-#else
+
+ 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 */
-#ifndef BSD4_2
+#if !defined(BSD4_2) && !defined(__osf__)
+static void
get_lim_data ()
{
lim_data = vlimit (LIM_DATA, -1);
#else /* BSD4_2 */
+static void
get_lim_data ()
{
struct rlimit XXrlimit;