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 // e32/include/nkernsmp/emievents.h

    15 // 

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

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

    18 //          outside the Kernel and Hardware Services package.

    19 //

    20 

    21 #ifndef __EMIEVENTS_H__

    22 #define __EMIEVENTS_H__

    23 

    24 /**

    25 @publishedPartner

    26 @released

    27 

    28 Defines the format of a task event record.

    29 

    30 An item of this type is passed to:

    31 

    32 -# EMI::GetTaskEvent()

    33 -# EMI::AddTaskEvent()

    34 */

    35 struct TTaskEventRecord

    36 	{

    37 	/**

    38 	Defines the type of event:

    39 	

    40     0 = Reschedule 

    41     1..127 = Reserved

    42 	> 127 = User Defined

    43 	*/

    44 	TUint8	iType;	

    45 				

    46 						

    47 	/**

    48 	Flag bits.

    49 	

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

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

    52 	*/					

    53 	TUint8	iFlags;

    54 	

    55 	

    56 	/**

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

    58 	*/

    59 	TUint16	iExtra;

    60 	

    61 	

    62 	/**

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

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

    65 	*/

    66 	TUint32	iUserState;

    67 	

    68 	

    69 	/**

    70 	The time that the event occurred.

    71 	

    72 	The units are defined by the GET_HIGH_RES_TICK macro.

    73 	*/

    74 	TUint32	iTime;

    75 	

    76 	

    77 	/**

    78 	The NThread that was executing before the switch.

    79 	*/

    80 	TAny*	iPrevious;

    81 	

    82 	

    83 	/**

    84 	The NThread that was executing after the switch.

    85 	*/

    86 	TAny*	iNext;

    87 	};

    88 

    89 const TUint8 KTskEvtFlag_EventLost  =1;

    90 const TUint8 KTskEvtFlag_PrevWaiting=2;

    91 

    92 #endif