(run-python): Fix use of \n.

[bpt/emacs.git] / src / mem-limits.h

diff --git a/src/mem-limits.h b/src/mem-limits.h
index fe31054..578cf59 100644 (file)
--- a/src/mem-limits.h
+++ b/src/mem-limits.h
@@ -1,11 +1,11 @@
 /* Includes for memory limit warnings.
 /* Includes for memory limit warnings.

-   Copyright (C) 1990, 1992 Free Software Foundation, Inc.
+   Copyright (C) 1990, 1993, 1994, 1995, 1996 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
 
 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,
 any later version.
 
 GNU Emacs is distributed in the hope that it will be useful,


@@ -15,25 +15,63 @@ 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
 
 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., 59 Temple Place - Suite 330,
+Boston, MA 02111-1307, USA.  */
+
+#ifdef MSDOS
+#include <dpmi.h>
+extern int etext;
+#endif
+
+/* Some systems need this before <sys/resource.h>.  */
+#include <sys/types.h>
+
+#ifdef _LIBC
+
+#include <sys/resource.h>
+#define BSD4_2                 /* Tell code below to use getrlimit.  */
+
+/* Old Linux startup code won't define __data_start.  */
+extern int etext, __data_start; weak_extern (__data_start)
+#define start_of_data()        (&__data_start ?: &etext)
+
+#else /* not _LIBC */
+
+#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 BSD4_2
 #ifndef USG

+#ifndef MSDOS
+#ifndef WINDOWSNT

 #include <sys/vlimit.h>
 #include <sys/vlimit.h>

+#endif /* not WINDOWSNT */
+#endif /* not MSDOS */

 #endif /* not USG */
 #else /* if BSD4_2 */
 #include <sys/time.h>
 #include <sys/resource.h>
 #endif /* BSD4_2 */
 
 #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.  */
 /* 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;
 
 
 typedef unsigned long SIZE;
 


@@ -42,54 +80,105 @@ typedef unsigned long SIZE;
 #endif
 #define NULL ((POINTER) 0)
 
 #endif
 #define NULL ((POINTER) 0)
 

-#ifdef emacs

 extern POINTER start_of_data ();
 extern POINTER start_of_data ();

+#ifdef 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_SEG_BITS

+#ifndef DATA_START
+extern char etext;

 #define start_of_data() &etext
 #endif
 #endif
 #define start_of_data() &etext
 #endif
 #endif

+#endif

 
 

-#else  /* Not emacs */ 
+#else  /* not emacs */
+extern char etext;

 #define start_of_data() &etext
 #define start_of_data() &etext

-#endif /* Not emacs */
+#endif /* not emacs */
+
+#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 */
 
 /* 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;
-
+static unsigned long lim_data;

 
 

+#ifdef NO_LIM_DATA
+static void
+get_lim_data ()
+{
+  lim_data = -1;
+}
+#else /* not NO_LIM_DATA */

 
 #ifdef USG
 
 
 #ifdef USG
 

+static void

 get_lim_data ()
 {
   extern long ulimit ();
 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 (GNU_LINUX)

   lim_data = ulimit (3, 0);
 #endif
 
   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 */
   lim_data -= (long) data_space_start;
 }
 
 #else /* not USG */

-#ifndef BSD4_2
+#ifdef WINDOWSNT
+
+static void
+get_lim_data ()
+{
+  extern unsigned long reserved_heap_size;
+  lim_data = reserved_heap_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);
 }
 get_lim_data ()
 {
   lim_data = vlimit (LIM_DATA, -1);
 }

+#endif /* not MSDOS */

 
 #else /* BSD4_2 */
 
 
 #else /* BSD4_2 */
 

+static void

 get_lim_data ()
 {
   struct rlimit XXrlimit;
 get_lim_data ()
 {
   struct rlimit XXrlimit;


@@ -102,4 +191,9 @@ get_lim_data ()
 #endif
 }
 #endif /* BSD4_2 */
 #endif
 }
 #endif /* BSD4_2 */

+#endif /* not WINDOWSNT */

 #endif /* not USG */
 #endif /* not USG */

+#endif /* not NO_LIM_DATA */
+
+/* arch-tag: fe39244e-e54f-4208-b7aa-02556f7841c5
+   (do not change this comment) */