diff -r 000000000000 -r 10c42ec6c05f platforms/os/Symbian/WVSS/src/external_inc/OsApiDepend.h
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/platforms/os/Symbian/WVSS/src/external_inc/OsApiDepend.h	Tue Jun 29 12:34:26 2010 +0100
@@ -0,0 +1,128 @@
+/*
+ * OsApiDepend.h
+ *
+ * Copyright(c) 1998 - 2010 Texas Instruments. All rights reserved.      
+ * All rights reserved.      
+ * 
+ * This program and the accompanying materials are made available under the 
+ * terms of the Eclipse Public License v1.0 or BSD License which accompanies
+ * this distribution. The Eclipse Public License is available at
+ * http://www.eclipse.org/legal/epl-v10.html and the BSD License is as below.                                   
+ *                                                                       
+ * Redistribution and use in source and binary forms, with or without    
+ * modification, are permitted provided that the following conditions    
+ * are met:                                                              
+ *                                                                       
+ *  * Redistributions of source code must retain the above copyright     
+ *    notice, this list of conditions and the following disclaimer.      
+ *  * Redistributions in binary form must reproduce the above copyright  
+ *    notice, this list of conditions and the following disclaimer in    
+ *    the documentation and/or other materials provided with the         
+ *    distribution.                                                      
+ *  * Neither the name Texas Instruments nor the names of its            
+ *    contributors may be used to endorse or promote products derived    
+ *    from this software without specific prior written permission.      
+ *                                                                       
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS   
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT     
+ * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR 
+ * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT  
+ * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, 
+ * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT      
+ * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 
+ * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 
+ * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT   
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE 
+ * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+
+
+/*--------------------------------------------------------------------------*/
+/* Module:      OsApiDepend.h*/
+/**/
+/* Purpose:     This module defines unified interface to the OS specific*/
+/*              sources and services.*/
+/**/
+/*--------------------------------------------------------------------------*/
+
+#ifndef __OS_API_DEPEND_H__
+#define __OS_API_DEPEND_H__
+
+/** \file  OsApiDepend.h 
+ * \brief Operating System APIs that depend OS\n
+ * This module defines unified interface to the OS, that different between the OSs, the specific sources and services
+ */
+
+#include "tidef.h"
+
+/** \brief  OS  IRQ Serviced
+ * 
+ * \param  OsContext 	- Handle to the OS object
+ * \return void
+ * 
+ * \par Description
+ * This function is used in Level IRQ only. At this point the interrupt line is not asserted anymore
+ * and we can inform the OS to enable IRQ again.
+ * 
+ * \sa
+ */ 
+void os_InterruptServiced (TI_HANDLE OsContext);
+
+/** \brief  OS Protect Lock
+ * 
+ * \param  OsContext        - Handle to the OS object
+ * \param  ProtectContext   - Handle to the mutex/spin lock object
+ * \return void
+ * 
+ * \par Description
+ * This function locks the mutex/spin lock object. E.g. the caller acquires a mutex/spin lock and gains exclusive
+ * access to the shared resources, that the mutex/spin lock protects of.
+ *
+ * \sa
+ */
+#define OS_ENTER_CRITICAL_SECTION(OsContext, ProtectContext)
+
+
+/** \brief  OS Protect Unlock
+ * 
+ * \param  OsContext        - Handle to the OS object
+ * \param  ProtectContext   - Handle to the mutex/spin lock object
+ * \return void
+ * 
+ * \par Description
+ * This function unlocks the mutex/spin lock object.
+ * 
+ * \sa
+ */
+#define OS_LEAVE_CRITICAL_SECTION(OsContext, ProtectContext)
+
+
+/** \brief  OS Schedule Request
+ * 
+ * \param  OsContext    - Handle to the OS object
+ * \return TI_NOK (1) that indicate to the DR to call the CB by himself 
+ * 
+ * \par Description
+ * in Symbian we dont have scheduling support
+ * 
+ * \sa
+ */
+#define OS_REQUEST_SCHEDULE(OsContext) \
+    TI_NOK
+
+/** \brief  OS  IRQ Serviced
+ * 
+ * \param  OsContext    - Handle to the OS object
+ * \return void
+ * 
+ * \par Description
+ * This function is used in Level IRQ only. At this point the interrupt line is not asserted anymore
+ * and we can inform the OS to enable IRQ again.
+ * 
+ * \sa
+ */ 
+ /* Mark that interrupt was serviced */
+#define OS_INTERRUPT_SERVICED(OsContext) \
+	os_InterruptServiced (OsContext)
+
+#endif