1 files changed, 132 insertions, 0 deletions
diff --git a/gnu/lib/libmalloc/mem-limits.h b/gnu/lib/libmalloc/mem-limits.h
new file mode 100644
index 00000000000..ab594fcf3cc
--- /dev/null
+++ b/gnu/lib/libmalloc/mem-limits.h
@@ -0,0 +1,132 @@
+/* Includes for memory limit warnings.
+   Copyright (C) 1990, 1993 Free Software Foundation, Inc.
+
+
+This file is part of the GNU C Library.
+
+The GNU C Library is free software; you can redistribute it and/or
+modify it under the terms of the GNU Library General Public License as
+published by the Free Software Foundation; either version 2 of the
+License, or (at your option) any later version.
+
+The GNU C Library 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
+Library General Public License for more details.
+
+You should have received a copy of the GNU Library General Public
+License along with the GNU C Library; see the file COPYING.LIB.  If
+not, write to the Free Software Foundation, Inc., 675 Mass Ave,
+Cambridge, MA 02139, USA.  */
+
+#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>
+#endif /* not USG */
+#else /* if BSD4_2 */
+#include <sys/time.h>
+#include <sys/resource.h>
+#endif /* BSD4_2 */
+
+#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
+   to has a size of 1.  */
+#ifdef __STDC__
+typedef void *POINTER;
+#else
+typedef char *POINTER;
+#endif
+
+typedef unsigned long SIZE;
+
+#ifdef NULL
+#undef NULL
+#endif
+#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
+extern char etext;
+#define start_of_data() &etext
+#endif
+#endif
+
+#else  /* Not emacs */ 
+extern char etext;
+#define start_of_data() &etext
+#endif /* Not emacs */
+
+  
+
+/* 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 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 */
+#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;
+
+  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 USG */