1 | /* states.h |
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2 | * |
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3 | * This include file contains thread execution state information. |
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4 | * |
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5 | * COPYRIGHT (c) 1989-1998. |
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6 | * On-Line Applications Research Corporation (OAR). |
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7 | * Copyright assigned to U.S. Government, 1994. |
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8 | * |
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9 | * The license and distribution terms for this file may be |
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10 | * found in the file LICENSE in this distribution or at |
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11 | * http://www.OARcorp.com/rtems/license.html. |
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12 | * |
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13 | * $Id$ |
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14 | */ |
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15 | |
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16 | #ifndef __RTEMS_STATES_h |
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17 | #define __RTEMS_STATES_h |
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18 | |
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19 | #ifdef __cplusplus |
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20 | extern "C" { |
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21 | #endif |
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22 | |
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23 | /* |
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24 | * The following type defines the control block used to manage a |
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25 | * thread's state. |
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26 | */ |
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27 | |
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28 | typedef unsigned32 States_Control; |
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29 | |
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30 | /* |
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31 | * The following constants define the individual states which may be |
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32 | * be used to compose and manipulate a thread's state. |
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33 | */ |
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34 | |
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35 | #define STATES_ALL_SET 0xfffff /* all states */ |
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36 | #define STATES_READY 0x00000 /* ready to run */ |
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37 | #define STATES_DORMANT 0x00001 /* created not started */ |
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38 | #define STATES_SUSPENDED 0x00002 /* waiting for resume */ |
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39 | #define STATES_TRANSIENT 0x00004 /* in transition */ |
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40 | #define STATES_DELAYING 0x00008 /* wait for timeout */ |
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41 | #define STATES_WAITING_FOR_TIME 0x00010 /* wait for TOD */ |
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42 | #define STATES_WAITING_FOR_BUFFER 0x00020 |
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43 | #define STATES_WAITING_FOR_SEGMENT 0x00040 |
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44 | #define STATES_WAITING_FOR_MESSAGE 0x00080 |
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45 | #define STATES_WAITING_FOR_EVENT 0x00100 |
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46 | #define STATES_WAITING_FOR_SEMAPHORE 0x00200 |
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47 | #define STATES_WAITING_FOR_MUTEX 0x00400 |
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48 | #define STATES_WAITING_FOR_CONDITION_VARIABLE 0x00800 |
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49 | #define STATES_WAITING_FOR_JOIN_AT_EXIT 0x01000 |
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50 | #define STATES_WAITING_FOR_RPC_REPLY 0x02000 |
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51 | #define STATES_WAITING_FOR_PERIOD 0x04000 |
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52 | #define STATES_WAITING_FOR_SIGNAL 0x08000 |
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53 | #define STATES_INTERRUPTIBLE_BY_SIGNAL 0x10000 |
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54 | |
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55 | #define STATES_LOCALLY_BLOCKED ( STATES_WAITING_FOR_BUFFER | \ |
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56 | STATES_WAITING_FOR_SEGMENT | \ |
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57 | STATES_WAITING_FOR_MESSAGE | \ |
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58 | STATES_WAITING_FOR_SEMAPHORE | \ |
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59 | STATES_WAITING_FOR_MUTEX | \ |
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60 | STATES_WAITING_FOR_CONDITION_VARIABLE | \ |
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61 | STATES_WAITING_FOR_JOIN_AT_EXIT | \ |
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62 | STATES_WAITING_FOR_SIGNAL ) |
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63 | |
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64 | #define STATES_WAITING_ON_THREAD_QUEUE \ |
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65 | ( STATES_LOCALLY_BLOCKED | \ |
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66 | STATES_WAITING_FOR_RPC_REPLY ) |
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67 | |
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68 | #define STATES_BLOCKED ( STATES_DELAYING | \ |
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69 | STATES_WAITING_FOR_TIME | \ |
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70 | STATES_WAITING_FOR_PERIOD | \ |
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71 | STATES_WAITING_FOR_EVENT | \ |
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72 | STATES_WAITING_ON_THREAD_QUEUE | \ |
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73 | STATES_INTERRUPTIBLE_BY_SIGNAL ) |
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74 | |
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75 | #ifndef __RTEMS_APPLICATION__ |
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76 | #include <rtems/score/states.inl> |
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77 | #endif |
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78 | |
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79 | #ifdef __cplusplus |
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80 | } |
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81 | #endif |
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82 | |
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83 | #endif |
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84 | /* end of include file */ |
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