--- a/epoc32/include/ewsd.h	Tue Nov 24 13:55:44 2009 +0000
+++ b/epoc32/include/ewsd.h	Tue Mar 16 16:12:26 2010 +0000
@@ -1,1 +1,106 @@
-ewsd.h
+/*
+* Copyright (c) 2006-2009 Nokia Corporation and/or its subsidiary(-ies).
+* All rights reserved.
+* This component and the accompanying materials are made available
+* under the terms of the License "Symbian Foundation License v1.0" to Symbian Foundation members and "Symbian Foundation End User License Agreement v1.0" to non-members
+* which accompanies this distribution, and is available
+* at the URL "http://www.symbianfoundation.org/legal/licencesv10.html".
+*
+* Initial Contributors:
+* Nokia Corporation - initial contribution.
+*
+* Contributors:
+*
+* Description:
+* Name        : ewsd.h
+* Part of     : ewsd library
+* Contains the declarations of the APIs of the emulator WSD library 
+* 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 of the <ORGANIZATION> 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.
+*
+*/
+
+
+ 
+#ifndef __EWSD_H__
+#define __EWSD_H__
+
+#ifdef __WINSCW__
+
+/** 
+* The following functions should not be used directly.
+* Libraries that require to use the emulator WSD library
+* should use the Pls() API defined in pls.h
+*/
+
+/**  
+Finds and returns the PLS (Process Local Storage) object of the specified 
+library for the current process, if the object exists.
+Takes as a parameter the TUid of the library DLL whose PLS object is to 
+be returned for the current process.
+Returns a pointer to the PLS object if it exists, otherwise NULL					
+*/
+IMPORT_C TAny* CheckPls(const TUid& aLibraryUid);
+
+/**  
+Sets the PLS object of the specified library, for the current process.
+Takes as parameters the PLS object to be set, and the TUid of the library 
+DLL whose PLS object it is. 
+Returns KErrNone on success, and KErrNoMemory if the PLS object could not
+be stored because a size limit of the WSD array has been reached
+*/
+IMPORT_C TInt SetPls(TAny* aPls, const TUid& aLibraryUid);
+
+/**  
+Allocates the specified number of bytes of memory from the emulator's
+Virtual Address Space.
+Takes as a parameter the number of bytes of memory to allocate.
+Returns	a pointer to the allocated memory on success, otherwise NULL
+*/
+IMPORT_C TAny* AllocatePls(const TInt& aSize);
+
+/**  
+Frees the specified memory in the emulator's Virtual Address Space.
+Takes as a parameter the PLS object location to be freed.
+Returns KErrNone on success, otherwise KErrAccessDenied
+*/
+IMPORT_C TInt FreePls(TAny* aPls); 
+
+/**  
+Gets a handle to the mutex, waits until it obtains ownership of it
+and then returns the handle.
+Returns a handle to the mutex, of which the caller now has ownership.
+Note that the handle is returned as a TAny* (the Windows HANDLE type 
+is typedefed to void*)
+*/
+IMPORT_C TAny* ObtainPlsMutex();
+
+/**  
+Releases ownership of the mutex, which allows another thread 
+to acquire ownership of it.
+Takes as a parameter a handle to the mutex										
+*/
+IMPORT_C void ReleasePlsMutex(TAny* aMutexHandle);
+
+#endif // __WINSCW__
+
+#endif // __EWSD_H__
+