X-Git-Url: http://git.hcoop.net/bpt/emacs.git/blobdiff_plain/78c33db16e69b1ddad9f1158e96fd8adca3248aa..32efc702b311abc93b94630c4f48a38221413aef:/src/mem-limits.h

diff --git a/src/mem-limits.h b/src/mem-limits.h
index 5b8d9cc7f9..578cf59f12 100644
--- a/src/mem-limits.h
+++ b/src/mem-limits.h
@@ -20,6 +20,7 @@ Boston, MA 02111-1307, USA.  */
 
 #ifdef MSDOS
 #include <dpmi.h>
+extern int etext;
 #endif
 
 /* Some systems need this before <sys/resource.h>.  */
@@ -36,15 +37,23 @@ extern int etext, __data_start; weak_extern (__data_start)
 
 #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
@@ -62,11 +71,7 @@ extern int etext, __data_start; weak_extern (__data_start)
 /* 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;
 
@@ -83,12 +88,18 @@ extern POINTER start_of_data ();
 #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;
@@ -122,7 +133,7 @@ get_lim_data ()
   lim_data = -1;
 
   /* Use the ulimit call, if we seem to have it.  */
-#if !defined (ULIMIT_BREAK_VALUE) || defined (LINUX)
+#if !defined (ULIMIT_BREAK_VALUE) || defined (GNU_LINUX)
   lim_data = ulimit (3, 0);
 #endif
 
@@ -141,8 +152,8 @@ get_lim_data ()
 static void
 get_lim_data ()
 {
-  extern unsigned long data_region_size;
-  lim_data = data_region_size;
+  extern unsigned long reserved_heap_size;
+  lim_data = reserved_heap_size;
 }
 
 #else
@@ -183,3 +194,6 @@ get_lim_data ()
 #endif /* not WINDOWSNT */
 #endif /* not USG */
 #endif /* not NO_LIM_DATA */
+
+/* arch-tag: fe39244e-e54f-4208-b7aa-02556f7841c5
+   (do not change this comment) */