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Diffstat (limited to 'cpukit/score/include/rtems/score/states.h')
| -rw-r--r-- | cpukit/score/include/rtems/score/states.h | 78 |
1 files changed, 78 insertions, 0 deletions
diff --git a/cpukit/score/include/rtems/score/states.h b/cpukit/score/include/rtems/score/states.h new file mode 100644 index 0000000000..1f8fd49fae --- /dev/null +++ b/cpukit/score/include/rtems/score/states.h @@ -0,0 +1,78 @@ +/* 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 */ |