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1 /*************************************************************************/
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Mychaela Falconia <falcon@freecalypso.org>
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2 /* */
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Mychaela Falconia <falcon@freecalypso.org>
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3 /* Copyright (c) 1993-1996 Accelerated Technology, Inc. */
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Mychaela Falconia <falcon@freecalypso.org>
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4 /* */
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Mychaela Falconia <falcon@freecalypso.org>
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5 /* PROPRIETARY RIGHTS of Accelerated Technology are involved in the */
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Mychaela Falconia <falcon@freecalypso.org>
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6 /* subject matter of this material. All manufacturing, reproduction, */
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Mychaela Falconia <falcon@freecalypso.org>
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7 /* use, and sales rights pertaining to this subject matter are governed */
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Mychaela Falconia <falcon@freecalypso.org>
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8 /* by the license agreement. The recipient of this software implicitly */
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Mychaela Falconia <falcon@freecalypso.org>
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9 /* accepts the terms of the license. */
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Mychaela Falconia <falcon@freecalypso.org>
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10 /* */
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Mychaela Falconia <falcon@freecalypso.org>
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11 /*************************************************************************/
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Mychaela Falconia <falcon@freecalypso.org>
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12
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Mychaela Falconia <falcon@freecalypso.org>
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13 /*************************************************************************/
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Mychaela Falconia <falcon@freecalypso.org>
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14 /* */
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Mychaela Falconia <falcon@freecalypso.org>
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15 /* FILE NAME VERSION */
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Mychaela Falconia <falcon@freecalypso.org>
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16 /* */
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Mychaela Falconia <falcon@freecalypso.org>
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17 /* sm_defs.h PLUS 1.2 */
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Mychaela Falconia <falcon@freecalypso.org>
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18 /* */
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Mychaela Falconia <falcon@freecalypso.org>
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19 /* COMPONENT */
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Mychaela Falconia <falcon@freecalypso.org>
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20 /* */
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Mychaela Falconia <falcon@freecalypso.org>
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21 /* SM - Semaphore Management */
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Mychaela Falconia <falcon@freecalypso.org>
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22 /* */
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Mychaela Falconia <falcon@freecalypso.org>
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23 /* DESCRIPTION */
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Mychaela Falconia <falcon@freecalypso.org>
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24 /* */
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Mychaela Falconia <falcon@freecalypso.org>
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25 /* This file contains data structure definitions and constants for */
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Mychaela Falconia <falcon@freecalypso.org>
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26 /* the Semaphore component. */
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Mychaela Falconia <falcon@freecalypso.org>
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27 /* */
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Mychaela Falconia <falcon@freecalypso.org>
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28 /* AUTHOR */
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Mychaela Falconia <falcon@freecalypso.org>
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29 /* */
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Mychaela Falconia <falcon@freecalypso.org>
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30 /* William E. Lamie, Accelerated Technology, Inc. */
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Mychaela Falconia <falcon@freecalypso.org>
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31 /* */
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Mychaela Falconia <falcon@freecalypso.org>
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32 /* DATA STRUCTURES */
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Mychaela Falconia <falcon@freecalypso.org>
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33 /* */
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Mychaela Falconia <falcon@freecalypso.org>
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34 /* SM_SCB Semaphore control block */
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Mychaela Falconia <falcon@freecalypso.org>
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35 /* SM_SUSPEND Semaphore suspension block */
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Mychaela Falconia <falcon@freecalypso.org>
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36 /* */
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Mychaela Falconia <falcon@freecalypso.org>
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37 /* FUNCTIONS */
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Mychaela Falconia <falcon@freecalypso.org>
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38 /* */
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Mychaela Falconia <falcon@freecalypso.org>
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39 /* None */
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Mychaela Falconia <falcon@freecalypso.org>
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40 /* */
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Mychaela Falconia <falcon@freecalypso.org>
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41 /* DEPENDENCIES */
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Mychaela Falconia <falcon@freecalypso.org>
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42 /* */
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Mychaela Falconia <falcon@freecalypso.org>
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43 /* cs_defs.h Common service definitions */
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Mychaela Falconia <falcon@freecalypso.org>
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44 /* tc_defs.h Thread Control definitions */
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Mychaela Falconia <falcon@freecalypso.org>
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45 /* */
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Mychaela Falconia <falcon@freecalypso.org>
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46 /* HISTORY */
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Mychaela Falconia <falcon@freecalypso.org>
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47 /* */
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Mychaela Falconia <falcon@freecalypso.org>
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48 /* NAME DATE REMARKS */
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Mychaela Falconia <falcon@freecalypso.org>
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49 /* */
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Mychaela Falconia <falcon@freecalypso.org>
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50 /* W. Lamie 03-01-1993 Created initial version 1.0 */
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Mychaela Falconia <falcon@freecalypso.org>
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51 /* D. Lamie 04-19-1993 Verified version 1.0 */
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Mychaela Falconia <falcon@freecalypso.org>
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52 /* W. Lamie 03-01-1994 Moved include files outside of */
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Mychaela Falconia <falcon@freecalypso.org>
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53 /* the file #ifndef to allow the */
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Mychaela Falconia <falcon@freecalypso.org>
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54 /* use of actual data structures, */
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Mychaela Falconia <falcon@freecalypso.org>
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55 /* removed protection structure, */
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Mychaela Falconia <falcon@freecalypso.org>
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56 /* put padding into structure, */
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Mychaela Falconia <falcon@freecalypso.org>
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57 /* resulting in version 1.1 */
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Mychaela Falconia <falcon@freecalypso.org>
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58 /* R. Pfaff - */
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Mychaela Falconia <falcon@freecalypso.org>
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59 /* D. Lamie 03-18-1994 Verified version 1.1 */
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Mychaela Falconia <falcon@freecalypso.org>
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60 /* M.Q. Qian 04-17-1996 updated to version 1.2 */
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Mychaela Falconia <falcon@freecalypso.org>
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61 /* */
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Mychaela Falconia <falcon@freecalypso.org>
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62 /*************************************************************************/
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Mychaela Falconia <falcon@freecalypso.org>
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63
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Mychaela Falconia <falcon@freecalypso.org>
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64 #include "cs_defs.h" /* Common service constants */
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Mychaela Falconia <falcon@freecalypso.org>
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65 #include "tc_defs.h" /* Thread control constants */
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Mychaela Falconia <falcon@freecalypso.org>
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66
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67
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68 /* Check to see if the file has been included already. */
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Mychaela Falconia <falcon@freecalypso.org>
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69
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Mychaela Falconia <falcon@freecalypso.org>
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70 #ifndef SM_DEFS
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Mychaela Falconia <falcon@freecalypso.org>
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71 #define SM_DEFS
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Mychaela Falconia <falcon@freecalypso.org>
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72
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73
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74 /* Define constants local to this component. */
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75
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Mychaela Falconia <falcon@freecalypso.org>
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76 #define SM_SEMAPHORE_ID 0x53454d41UL
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Mychaela Falconia <falcon@freecalypso.org>
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77
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Mychaela Falconia <falcon@freecalypso.org>
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78
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Mychaela Falconia <falcon@freecalypso.org>
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79 /* Define the Semaphore Control Block data type. */
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80
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Mychaela Falconia <falcon@freecalypso.org>
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81 typedef struct SM_SCB_STRUCT
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Mychaela Falconia <falcon@freecalypso.org>
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82 {
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Mychaela Falconia <falcon@freecalypso.org>
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83 CS_NODE sm_created; /* Node for linking to */
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Mychaela Falconia <falcon@freecalypso.org>
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84 /* created semaphore list */
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Mychaela Falconia <falcon@freecalypso.org>
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85 UNSIGNED sm_id; /* Internal SCB ID */
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Mychaela Falconia <falcon@freecalypso.org>
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86 CHAR sm_name[NU_MAX_NAME]; /* Semaphore name */
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Mychaela Falconia <falcon@freecalypso.org>
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87 UNSIGNED sm_semaphore_count; /* Counting semaphore */
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Mychaela Falconia <falcon@freecalypso.org>
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88 DATA_ELEMENT sm_fifo_suspend; /* Suspension type flag */
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Mychaela Falconia <falcon@freecalypso.org>
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89 #if PAD_1
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90 DATA_ELEMENT sm_padding[PAD_1];
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Mychaela Falconia <falcon@freecalypso.org>
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91 #endif
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Mychaela Falconia <falcon@freecalypso.org>
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92 UNSIGNED sm_tasks_waiting; /* Number of waiting tasks*/
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Mychaela Falconia <falcon@freecalypso.org>
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93 struct SM_SUSPEND_STRUCT
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Mychaela Falconia <falcon@freecalypso.org>
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94 *sm_suspension_list; /* Suspension list */
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Mychaela Falconia <falcon@freecalypso.org>
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95 } SM_SCB;
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Mychaela Falconia <falcon@freecalypso.org>
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96
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97
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Mychaela Falconia <falcon@freecalypso.org>
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98 /* Define the semaphore suspension structure. This structure is allocated
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Mychaela Falconia <falcon@freecalypso.org>
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99 off of the caller's stack. */
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Mychaela Falconia <falcon@freecalypso.org>
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100
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Mychaela Falconia <falcon@freecalypso.org>
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101 typedef struct SM_SUSPEND_STRUCT
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Mychaela Falconia <falcon@freecalypso.org>
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102 {
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Mychaela Falconia <falcon@freecalypso.org>
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103 CS_NODE sm_suspend_link; /* Link to suspend blocks */
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Mychaela Falconia <falcon@freecalypso.org>
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104 SM_SCB *sm_semaphore; /* Pointer to semaphore */
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Mychaela Falconia <falcon@freecalypso.org>
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105 TC_TCB *sm_suspended_task; /* Task suspended */
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Mychaela Falconia <falcon@freecalypso.org>
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106 STATUS sm_return_status; /* Return status */
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Mychaela Falconia <falcon@freecalypso.org>
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107 } SM_SUSPEND;
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Mychaela Falconia <falcon@freecalypso.org>
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108
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Mychaela Falconia <falcon@freecalypso.org>
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109 #endif
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