1 // Copyright (c) 1995-2009 Nokia Corporation and/or its subsidiary(-ies).

     2 // All rights reserved.

     3 // This component and the accompanying materials are made available

     4 // under the terms of the License "Eclipse Public License v1.0"

     5 // which accompanies this distribution, and is available

     6 // at the URL "http://www.eclipse.org/legal/epl-v10.html".

     7 //

     8 // Initial Contributors:

     9 // Nokia Corporation - initial contribution.

    10 //

    11 // Contributors:

    12 //

    13 // Description:

    14 // e32\euser\epoc\up_dll_tls.cpp

    15 // This file contains DLL stub functions relating to TLS

    16 // 

    17 //

    18 

    19 #include "up_std.h"

    20 #include <e32svr.h>

    21 #include "u32std.h"

    22 

    23 

    24 

    25 

    26 /**

    27 Sets the value of the Thread Local Storage (TLS) variable.

    28 

    29 @param aPtr       The value to be assigned to the Thread Local Storage variable.

    30                   In practice, this is almost always a pointer to memory

    31                   that has previously been allocated, but does not necessarily

    32                   need to be so.

    33 

    34 @return           KErrNone, if successful, otherwise one of the other

    35                   system-wide error codes.

    36 */

    37 TInt Dll::SetTls(TAny* aPtr)

    38 	{

    39 #ifdef __EPOC32__

    40 	return UserSvr::DllSetTls(MODULE_HANDLE, *(((TInt*)MODULE_HANDLE)+3), aPtr);

    41 #else

    42 	return UserSvr::DllSetTls(MODULE_HANDLE, KDllUid_Special, aPtr);

    43 #endif

    44 	}

    45 

    46 

    47 

    48 

    49 /**

    50 Gets the value of the Thread Local Storage (TLS) variable.

    51 

    52 @return           The value of the Thread Local Storage variable as set by

    53                   a previous call to Dll::SetTls(). If no value has previously

    54                   been set, then the returned value is NULL.

    55 */

    56 TAny* Dll::Tls()

    57 	{

    58 #ifdef __EPOC32__

    59 	return UserSvr::DllTls(MODULE_HANDLE, *(((TInt*)MODULE_HANDLE)+3));

    60 #else

    61 	return UserSvr::DllTls(MODULE_HANDLE, KDllUid_Special);

    62 #endif

    63 	}

    64 

    65 

    66 

    67 

    68 /**

    69 Removes the Thread Local Storage (TLS) variable.

    70 

    71 A subsequent call to Dll::Tls() will return NULL.

    72 */

    73 void Dll::FreeTls()

    74 	{

    75 

    76 	UserSvr::DllFreeTls(MODULE_HANDLE);

    77 	}