Changeset 1687 for trunk/src/kernel32/virtual.cpp

Timestamp:

Nov 10, 1999, 3:16:01 PM (26 years ago)

Author:

sandervl

Message:

VirtualAlloc fixes & changes

File:

• trunk/src/kernel32/virtual.cpp (modified) (3 diffs)

trunk/src/kernel32/virtual.cpp

@@ -1 @@
-/* $Id: virtual.cpp,v 1.21 1999-10-24 22:51:22 sandervl Exp $ */
+/* $Id: virtual.cpp,v 1.22 1999-11-10 14:16:01 sandervl Exp $ */
 
 /*
@@ -31 +31 @@
 ODINDEBUGCHANNEL(KERNEL32-VIRTUAL)
 
+#define PAGE_SHIFT 12
 
 /***********************************************************************
@@ -305 +306 @@
     dprintf(("VirtualAlloc: Unknown protection flags, default to read/write"));
     flag |= PAG_READ | PAG_WRITE;
+  }
+
+  if(lpvAddress) 
+  {
+   Win32MemMap *map;
+   ULONG offset, nrpages;
+
+        nrpages = cbSize >> PAGE_SHIFT;
+        if(cbSize & 0xFFF)
+                nrpages++;
+
+        map = Win32MemMapView::findMapByView((ULONG)lpvAddress, &offset, fdwProtect);
+        if(map) {
+                //TODO: We don't allow protection flag changes for mmaped files now
+                map->commitPage(offset, FALSE, nrpages);
+                return lpvAddress;
+        }
   }