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annotate src/nucleus/ev_defs.h @ 19:399779c700da

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author Mychaela Falconia <falcon@freecalypso.org>
date Fri, 15 May 2020 05:59:55 +0000
parents 92470e5d0b9e
children
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1 /*************************************************************************/
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2 /* */
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3 /* Copyright Mentor Graphics Corporation 2002 */
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4 /* All Rights Reserved. */
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5 /* */
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6 /* THIS WORK CONTAINS TRADE SECRET AND PROPRIETARY INFORMATION WHICH IS */
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7 /* THE PROPERTY OF MENTOR GRAPHICS CORPORATION OR ITS LICENSORS AND IS */
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8 /* SUBJECT TO LICENSE TERMS. */
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9 /* */
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10 /*************************************************************************/
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11
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12 /*************************************************************************/
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13 /* */
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14 /* FILE NAME VERSION */
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15 /* */
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16 /* ev_defs.h Nucleus PLUS 1.14 */
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17 /* */
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18 /* COMPONENT */
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19 /* */
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20 /* EV - Event Group Management */
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21 /* */
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22 /* DESCRIPTION */
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23 /* */
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24 /* This file contains data structure definitions and constants for */
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25 /* the Event Flag Group component. */
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26 /* */
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27 /* DATA STRUCTURES */
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28 /* */
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29 /* EV_GCB Event Group control block */
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30 /* EV_SUSPEND Event Group suspension block */
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31 /* */
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32 /* FUNCTIONS */
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33 /* */
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34 /* None */
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35 /* */
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36 /* DEPENDENCIES */
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37 /* */
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38 /* cs_defs.h Common service definitions */
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39 /* tc_defs.h Thread Control definitions */
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40 /* */
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41 /* HISTORY */
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42 /* */
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43 /* NAME DATE REMARKS */
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44 /* */
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45 /* 03-01-1993 Created initial version 1.0 */
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46 /* 04-19-1993 Verified version 1.0 */
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47 /* 03-01-1994 Moved include files outside of */
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48 /* the file #ifndef to allow the */
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49 /* use of actual data structures, */
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50 /* removed protect structure, */
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51 /* added padding logic, */
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52 /* resulting in version 1.1 */
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53 /* */
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54 /* 03-18-1994 Verified version 1.1 */
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55 /* 04-17-1996 updated to version 1.2 */
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56 /* 03-24-1998 Released version 1.3 */
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57 /* 03-26-1999 Released 1.11m (new release */
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58 /* numbering scheme) */
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59 /* 04-17-2002 Released version 1.13m */
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60 /* 11-07-2002 Released version 1.14 */
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61 /*************************************************************************/
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62
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63 #include "cs_defs.h" /* Common service constants */
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64 #include "tc_defs.h" /* Thread control constants */
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65
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66
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67 /* Check to see if the file has been included already. */
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68
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69 #ifndef EV_DEFS
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70 #define EV_DEFS
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71
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72
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73 /* Define constants local to this component. */
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74
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75 #define EV_EVENT_ID 0x45564e54UL
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76 #define EV_AND 0x2
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77 #define EV_CONSUME 0x1
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78
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79
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80 /* Define the Event Group Control Block data type. */
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81
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82 typedef struct EV_GCB_STRUCT
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83 {
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84 CS_NODE ev_created; /* Node for linking to */
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85 /* created Events list */
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86 UNSIGNED ev_id; /* Internal EV ID */
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87 CHAR ev_name[NU_MAX_NAME]; /* Event group name */
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88 UNSIGNED ev_current_events; /* Current event flags */
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89 UNSIGNED ev_tasks_waiting; /* Number of waiting tasks*/
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90 struct EV_SUSPEND_STRUCT
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91 *ev_suspension_list; /* Suspension list */
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92 } EV_GCB;
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93
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94
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95 /* Define the Event Group suspension structure. This structure is allocated
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96 off of the caller's stack. */
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97
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98 typedef struct EV_SUSPEND_STRUCT
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99 {
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100 CS_NODE ev_suspend_link; /* Link to suspend blocks */
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101 EV_GCB *ev_event_group; /* Pointer to Event group */
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102 UNSIGNED ev_requested_events; /* Requested event flags */
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103 DATA_ELEMENT ev_operation; /* Event operation */
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104 #if PAD_1
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105 DATA_ELEMENT ev_padding[PAD_1];
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106 #endif
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107 TC_TCB *ev_suspended_task; /* Task suspended */
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108 STATUS ev_return_status; /* Return status */
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109 UNSIGNED ev_actual_events; /* Event flags returned */
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110 } EV_SUSPEND;
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111
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112 #endif
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113
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114
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115
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116
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117