--- projects/libstatgrab/src/libstatgrab/swap_stats.c	2004/11/06 15:41:30	1.23
+++ projects/libstatgrab/src/libstatgrab/swap_stats.c	2005/09/24 13:29:23	1.24
@@ -18,7 +18,7 @@
  * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
  * 02111-1307 USA
  *
- * $Id: swap_stats.c,v 1.23 2004/11/06 15:41:30 ats Exp $
+ * $Id: swap_stats.c,v 1.24 2005/09/24 13:29:23 tdb Exp $
  */
 
 #ifdef HAVE_CONFIG_H
@@ -59,6 +59,9 @@
 #include <unistd.h>
 #define SWAP_BATCH 5
 #endif
+#ifdef WIN32
+#include <windows.h>
+#endif
 
 sg_swap_stats *sg_get_swap_stats(){
 
@@ -92,6 +95,9 @@ sg_swap_stats *sg_get_swap_stats(){
 #if defined(NETBSD) || defined(OPENBSD)
 	struct uvmexp *uvm;
 #endif
+#ifdef WIN32
+	MEMORYSTATUSEX memstats;
+#endif
 
 #ifdef HPUX
 	swap_stat.total = 0;
@@ -219,6 +225,20 @@ sg_swap_stats *sg_get_swap_stats(){
 	swap_stat.total = (long long)uvm->pagesize * (long long)uvm->swpages;
 	swap_stat.used = (long long)uvm->pagesize * (long long)uvm->swpginuse;
 	swap_stat.free = swap_stat.total - swap_stat.used;
+#endif
+#ifdef WIN32
+	memstats.dwLength = sizeof(memstats);
+	if (!GlobalMemoryStatusEx(&memstats)) {
+		sg_set_error_with_errno(SG_ERROR_MEMSTATUS,
+			"GloblaMemoryStatusEx");
+		return NULL;
+	}
+	/* the PageFile stats include Phys memory "minus an overhead".
+	 * Due to this unknown "overhead" there's no way to extract just page
+	 * file use from these numbers */
+	swap_stat.total = memstats.ullTotalPageFile;
+	swap_stat.free = memstats.ullAvailPageFile;
+	swap_stat.used = swap_stat.total - swap_stat.free;
 #endif
 
 	return &swap_stat;