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/* states.h
*
* This include file contains thread execution state information.
*
* COPYRIGHT (c) 1989, 1990, 1991, 1992, 1993, 1994.
* On-Line Applications Research Corporation (OAR).
* All rights assigned to U.S. Government, 1994.
*
* This material may be reproduced by or for the U.S. Government pursuant
* to the copyright license under the clause at DFARS 252.227-7013. This
* notice must appear in all copies of this file and its derivatives.
*
* $Id$
*/
#ifndef __RTEMS_STATES_h
#define __RTEMS_STATES_h
#ifdef __cplusplus
extern "C" {
#endif
/*
* The following type defines the control block used to manage a
* thread's state.
*/
typedef unsigned32 States_Control;
/*
* The following constants define the individual states which may be
* be used to compose and manipulate a thread's state.
*/
#define STATES_ALL_SET 0xffff /* all states */
#define STATES_READY 0x0000 /* ready to run */
#define STATES_DORMANT 0x0001 /* created not started */
#define STATES_SUSPENDED 0x0002 /* waiting for resume */
#define STATES_TRANSIENT 0x0004 /* thread in transition */
#define STATES_DELAYING 0x0008 /* wait for timeout */
#define STATES_WAITING_FOR_TIME 0x0010 /* wait for TOD */
#define STATES_WAITING_FOR_BUFFER 0x0020
#define STATES_WAITING_FOR_SEGMENT 0x0040
#define STATES_WAITING_FOR_MESSAGE 0x0080
#define STATES_WAITING_FOR_EVENT 0x0100
#define STATES_WAITING_FOR_SEMAPHORE 0x0200
#define STATES_WAITING_FOR_MUTEX 0x0400
#define STATES_WAITING_FOR_CONDITION_VARIABLE 0x0800
#define STATES_WAITING_FOR_RPC_REPLY 0x1000
#define STATES_WAITING_FOR_PERIOD 0x2000
#define STATES_LOCALLY_BLOCKED ( STATES_WAITING_FOR_BUFFER | \
STATES_WAITING_FOR_SEGMENT | \
STATES_WAITING_FOR_MESSAGE | \
STATES_WAITING_FOR_MUTEX | \
STATES_WAITING_FOR_CONDITION_VARIABLE | \
STATES_WAITING_FOR_SEMAPHORE )
#define STATES_WAITING_ON_THREAD_QUEUE \
( STATES_LOCALLY_BLOCKED | \
STATES_WAITING_FOR_RPC_REPLY )
#define STATES_BLOCKED ( STATES_DELAYING | \
STATES_WAITING_FOR_TIME | \
STATES_WAITING_FOR_PERIOD | \
STATES_WAITING_FOR_EVENT | \
STATES_WAITING_ON_THREAD_QUEUE )
#ifndef __RTEMS_APPLICATION__
#include <rtems/score/states.inl>
#endif
#ifdef __cplusplus
}
#endif
#endif
/* end of include file */
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