1 | /* signalmp.h |
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2 | * |
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3 | * This include file contains all the constants and structures associated |
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4 | * with the Multiprocessing Support in the Signal Manager. |
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5 | * |
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6 | * COPYRIGHT (c) 1989, 1990, 1991, 1992, 1993, 1994. |
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7 | * On-Line Applications Research Corporation (OAR). |
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8 | * All rights assigned to U.S. Government, 1994. |
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9 | * |
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10 | * This material may be reproduced by or for the U.S. Government pursuant |
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11 | * to the copyright license under the clause at DFARS 252.227-7013. This |
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12 | * notice must appear in all copies of this file and its derivatives. |
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13 | * |
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14 | * $Id$ |
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15 | */ |
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16 | |
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17 | #ifndef __RTEMS_SIGNAL_MP_h |
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18 | #define __RTEMS_SIGNAL_MP_h |
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19 | |
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20 | #ifdef __cplusplus |
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21 | extern "C" { |
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22 | #endif |
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23 | |
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24 | #include <rtems/rtems/asr.h> |
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25 | #include <rtems/core/mppkt.h> |
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26 | #include <rtems/core/object.h> |
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27 | #include <rtems/core/thread.h> |
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28 | #include <rtems/core/watchdog.h> |
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29 | |
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30 | /* |
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31 | * The following enumerated type defines the list of |
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32 | * remote signal operations. |
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33 | */ |
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34 | |
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35 | typedef enum { |
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36 | SIGNAL_MP_SEND_REQUEST = 0, |
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37 | SIGNAL_MP_SEND_RESPONSE = 1 |
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38 | } Signal_MP_Remote_operations; |
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39 | |
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40 | /* |
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41 | * The following data structure defines the packet used to perform |
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42 | * remote signal operations. |
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43 | */ |
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44 | |
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45 | typedef struct { |
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46 | rtems_packet_prefix Prefix; |
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47 | Signal_MP_Remote_operations operation; |
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48 | rtems_signal_set signal_in; |
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49 | } Signal_MP_Packet; |
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50 | |
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51 | /* |
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52 | * _Signal_MP_Send_process_packet |
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53 | * |
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54 | * DESCRIPTION: |
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55 | * |
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56 | * This routine performs a remote procedure call so that a |
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57 | * process operation can be performed on another node. |
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58 | * |
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59 | * This routine is not needed since there are no process |
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60 | * packets to be sent by this manager. |
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61 | */ |
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62 | |
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63 | /* |
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64 | * _Signal_MP_Send_request_packet |
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65 | * |
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66 | * DESCRIPTION: |
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67 | * |
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68 | * This routine performs a remote procedure call so that a |
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69 | * directive operation can be initiated on another node. |
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70 | */ |
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71 | |
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72 | rtems_status_code _Signal_MP_Send_request_packet ( |
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73 | Signal_MP_Remote_operations operation, |
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74 | Objects_Id task_id, |
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75 | rtems_signal_set signal_in |
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76 | ); |
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77 | |
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78 | /* |
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79 | * _Signal_MP_Send_response_packet |
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80 | * |
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81 | * DESCRIPTION: |
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82 | * |
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83 | * This routine performs a remote procedure call so that a |
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84 | * directive can be performed on another node. |
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85 | */ |
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86 | |
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87 | void _Signal_MP_Send_response_packet ( |
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88 | Signal_MP_Remote_operations operation, |
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89 | Thread_Control *the_thread |
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90 | ); |
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91 | |
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92 | /* |
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93 | * |
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94 | * _Signal_MP_Process_packet |
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95 | * |
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96 | * DESCRIPTION: |
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97 | * |
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98 | * This routine performs the actions specific to this package for |
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99 | * the request from another node. |
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100 | */ |
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101 | |
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102 | void _Signal_MP_Process_packet ( |
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103 | rtems_packet_prefix *the_packet_prefix |
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104 | ); |
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105 | |
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106 | /* |
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107 | * _Signal_MP_Send_object_was_deleted |
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108 | * |
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109 | * DESCRIPTION: |
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110 | * |
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111 | * This routine is invoked indirectly by the thread queue |
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112 | * when a proxy has been removed from the thread queue and |
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113 | * the remote node must be informed of this. |
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114 | * |
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115 | * This routine is not needed since there are no objects |
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116 | * deleted by this manager. |
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117 | */ |
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118 | |
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119 | /* |
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120 | * _Signal_MP_Send_extract_proxy |
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121 | * |
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122 | * DESCRIPTION: |
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123 | * |
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124 | * This routine is invoked when a task is deleted and it |
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125 | * has a proxy which must be removed from a thread queue and |
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126 | * the remote node must be informed of this. |
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127 | * |
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128 | * This routine is not needed since there are no objects |
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129 | * deleted by this manager. |
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130 | */ |
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131 | |
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132 | /* |
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133 | * _Signal_MP_Get_packet |
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134 | * |
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135 | * DESCRIPTION: |
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136 | * |
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137 | * This function is used to obtain a signal mp packet. |
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138 | */ |
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139 | |
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140 | Signal_MP_Packet *_Signal_MP_Get_packet ( void ); |
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141 | |
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142 | #ifdef __cplusplus |
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143 | } |
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144 | #endif |
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145 | |
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146 | #endif |
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147 | /* end of file */ |
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