1 // Copyright (c) 2005-2009 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 //

    15 // WARNING: This file contains some APIs which are internal and are subject

    16 //          to change without notice. Such APIs should therefore not be used

    17 //          outside the Kernel and Hardware Services package.

    18 //

    19 

    20 #ifndef __EMIEVENTS_H__

    21 #define __EMIEVENTS_H__

    22 

    23 /**

    24 @publishedPartner

    25 @released

    26 

    27 Defines the format of a task event record.

    28 

    29 An item of this type is passed to:

    30 

    31 -# EMI::GetTaskEvent()

    32 -# EMI::AddTaskEvent()

    33 */

    34 struct TTaskEventRecord

    35 	{

    36 	/**

    37 	Defines the type of event:

    38 	

    39     0 = Reschedule 

    40     1..127 = Reserved

    41 	> 127 = User Defined

    42 	*/

    43 	TUint8	iType;	

    44 				

    45 						

    46 	/**

    47 	Flag bits.

    48 	

    49     Bit 0 - Events have been lost before this event. (All types) 

    50 	Bit 1 - Previous thread is now waiting. (Reschedule only)

    51 	*/					

    52 	TUint8	iFlags;

    53 	

    54 	

    55 	/**

    56 	This has no use in reschedule events, but may be used by other event types.

    57 	*/

    58 	TUint16	iExtra;

    59 	

    60 	

    61 	/**

    62 	The state variable at the time of the event, which will

    63 	probably indicate the clock frequency at the time of the event.

    64 	*/

    65 	TUint32	iUserState;

    66 	

    67 	

    68 	/**

    69 	The time that the event occurred.

    70 	

    71 	The units are defined by the GET_HIGH_RES_TICK macro.

    72 	*/

    73 	TUint32	iTime;

    74 	

    75 	

    76 	/**

    77 	The NThread that was executing before the switch.

    78 	*/

    79 	TAny*	iPrevious;

    80 	

    81 	

    82 	/**

    83 	The NThread that was executing after the switch.

    84 	*/

    85 	TAny*	iNext;

    86 	};

    87 

    88 const TUint8 KTskEvtFlag_EventLost  =1;

    89 const TUint8 KTskEvtFlag_PrevWaiting=2;

    90 

    91 #endif