kerneltest/e32test/earlyextension/earlyextension.cpp
changeset 0 a41df078684a
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     1 // Copyright (c) 2007-2009 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 // e32test\earlyextension\earlyextension.cpp
       
    15 // This is to test the registration of early extension and will do the following
       
    16 // - Constructing the static data in VariantInit0 (the main extension object)
       
    17 // - In Init3 entrypoint allocating space in Kernel Heap to store the time stamp obtained
       
    18 // calling Kern::SystemTime().
       
    19 // - Supplying one exported function to allow reading the time stamp.
       
    20 // 
       
    21 //
       
    22 
       
    23 
       
    24 #include <kernel/kernel.h>
       
    25 #include "earlyextension.h"
       
    26 
       
    27 static TestEarlyExtension* EarlyExtension;
       
    28 
       
    29 /** Registering as early extension */
       
    30 DECLARE_EXTENSION_WITH_PRIORITY(EARLY_EXTENSION_PRIORITY)
       
    31 	{
       
    32 	TestEarlyExtension* ee = new TestEarlyExtension;
       
    33 	if(!ee)
       
    34 		return KErrNoMemory;
       
    35 	EarlyExtension=ee;
       
    36 	EarlyExtension->iTime = new TTimeK; //Allocate memory for storing time stamp.
       
    37     if(!EarlyExtension->iTime)
       
    38 		return KErrNoMemory;
       
    39 	*EarlyExtension->iTime = Kern::SystemTime(); //Store time stamp
       
    40 	// wait one tick to guarantee that system time will be different if called from the entry point of a following extension
       
    41 	NKern::Sleep(1);
       
    42     return KErrNone;
       
    43 	}
       
    44 
       
    45 /** This function allows to read the time stamp taken during the init3 entry point */
       
    46 EXPORT_C void TestEarlyExtension::GetTimeStamp(TTimeK& aTime)
       
    47     {
       
    48     if(!EarlyExtension->iTime)
       
    49         {
       
    50         aTime = 0;
       
    51         return;
       
    52         }    
       
    53 	aTime = *EarlyExtension->iTime;
       
    54 	return;
       
    55 	}
       
    56 
       
    57