[greatlrd] 24813: adding two new ddk header, the info are base/got from windows xp ddk kit version 3790.1830

Author: greatlrd
Date: Thu Nov 23 23:06:14 2006
New Revision: 24813

URL: http://svn.reactos.org/svn/reactos?rev=24813&view=rev
Log:
adding two new ddk header, the info are base/got from windows xp ddk kit version 3790.1830


Added:
    trunk/reactos/include/ddk/dxapi.h
    trunk/reactos/include/ddk/fltsafe.h

Added: trunk/reactos/include/ddk/dxapi.h
URL:
http://svn.reactos.org/svn/reactos/trunk/reactos/include/ddk/dxapi.h?rev=24…
==============================================================================
--- trunk/reactos/include/ddk/dxapi.h (added)
+++ trunk/reactos/include/ddk/dxapi.h Thu Nov 23 23:06:14 2006
@@ -1,0 +1,4 @@
+
+ULONG DxApiGetVersion();
+ULONG DxApi( IN ULONG dwFunctionNum,IN PVOID lpvInBuffer, IN ULONG cbInBuffer, 
+             IN PVOID lpvOutBuffer, IN ULONG cbOutBuffer);

Added: trunk/reactos/include/ddk/fltsafe.h
URL:
http://svn.reactos.org/svn/reactos/trunk/reactos/include/ddk/fltsafe.h?rev=…
==============================================================================
--- trunk/reactos/include/ddk/fltsafe.h (added)
+++ trunk/reactos/include/ddk/fltsafe.h Thu Nov 23 23:06:14 2006
@@ -1,0 +1,19 @@
+
+struct FLOATSAFE
+{
+   KFLOATING_SAVE FloatSave;
+   NTSTATUS ntStatus;
+
+   FLOATSAFE::FLOATSAFE(void)
+   {
+     ntStatus = KeSaveFloatingPointState(&FloatSave);
+   }
+
+   FLOATSAFE::~FLOATSAFE(void)
+   {
+     if (NT_SUCCESS(ntStatus))
+     {
+        KeRestoreFloatingPointState(&FloatSave);
+     }
+   }
+};