1 | /* semmp.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 Semaphore 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_SEMAPHORE_MP_h |
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18 | #define __RTEMS_SEMAPHORE_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/mppkt.h> |
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25 | #include <rtems/object.h> |
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26 | #include <rtems/options.h> |
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27 | #include <rtems/sem.h> |
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28 | #include <rtems/thread.h> |
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29 | #include <rtems/watchdog.h> |
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30 | |
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31 | /* |
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32 | * The following enumerated type defines the list of |
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33 | * remote semaphore operations. |
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34 | */ |
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35 | |
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36 | typedef enum { |
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37 | SEMAPHORE_MP_ANNOUNCE_CREATE = 0, |
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38 | SEMAPHORE_MP_ANNOUNCE_DELETE = 1, |
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39 | SEMAPHORE_MP_EXTRACT_PROXY = 2, |
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40 | SEMAPHORE_MP_OBTAIN_REQUEST = 3, |
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41 | SEMAPHORE_MP_OBTAIN_RESPONSE = 4, |
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42 | SEMAPHORE_MP_RELEASE_REQUEST = 5, |
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43 | SEMAPHORE_MP_RELEASE_RESPONSE = 6 |
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44 | } Semaphore_MP_Remote_operations; |
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45 | |
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46 | /* |
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47 | * The following data structure defines the packet used to perform |
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48 | * remote semaphore operations. |
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49 | */ |
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50 | |
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51 | typedef struct { |
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52 | rtems_packet_prefix Prefix; |
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53 | Semaphore_MP_Remote_operations operation; |
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54 | Objects_Name name; |
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55 | rtems_option option_set; |
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56 | Objects_Id proxy_id; |
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57 | } Semaphore_MP_Packet; |
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58 | |
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59 | /* |
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60 | * _Semaphore_MP_Send_process_packet |
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61 | * |
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62 | * DESCRIPTION: |
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63 | * |
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64 | * This routine performs a remote procedure call so that a |
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65 | * process operation can be performed on another node. |
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66 | */ |
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67 | |
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68 | void _Semaphore_MP_Send_process_packet ( |
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69 | Semaphore_MP_Remote_operations operation, |
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70 | Objects_Id semaphore_id, |
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71 | Objects_Name name, |
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72 | Objects_Id proxy_id |
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73 | ); |
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74 | |
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75 | /* |
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76 | * _Semaphore_MP_Send_request_packet |
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77 | * |
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78 | * DESCRIPTION: |
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79 | * |
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80 | * This routine performs a remote procedure call so that a |
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81 | * directive operation can be initiated on another node. |
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82 | */ |
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83 | |
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84 | rtems_status_code _Semaphore_MP_Send_request_packet ( |
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85 | Semaphore_MP_Remote_operations operation, |
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86 | Objects_Id semaphore_id, |
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87 | rtems_option option_set, |
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88 | rtems_interval timeout |
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89 | ); |
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90 | |
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91 | /* |
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92 | * _Semaphore_MP_Send_response_packet |
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93 | * |
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94 | * DESCRIPTION: |
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95 | * |
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96 | * This routine performs a remote procedure call so that a |
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97 | * directive can be performed on another node. |
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98 | */ |
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99 | |
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100 | void _Semaphore_MP_Send_response_packet ( |
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101 | Semaphore_MP_Remote_operations operation, |
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102 | Objects_Id semaphore_id, |
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103 | Thread_Control *the_thread |
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104 | ); |
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105 | |
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106 | /* |
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107 | * |
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108 | * _Semaphore_MP_Process_packet |
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109 | * |
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110 | * DESCRIPTION: |
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111 | * |
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112 | * This routine performs the actions specific to this package for |
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113 | * the request from another node. |
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114 | */ |
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115 | |
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116 | void _Semaphore_MP_Process_packet ( |
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117 | rtems_packet_prefix *the_packet_prefix |
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118 | ); |
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119 | |
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120 | /* |
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121 | * _Semaphore_MP_Send_object_was_deleted |
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122 | * |
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123 | * DESCRIPTION: |
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124 | * |
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125 | * This routine is invoked indirectly by the thread queue |
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126 | * when a proxy has been removed from the thread queue and |
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127 | * the remote node must be informed of this. |
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128 | */ |
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129 | |
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130 | void _Semaphore_MP_Send_object_was_deleted ( |
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131 | Thread_Control *the_proxy |
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132 | ); |
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133 | |
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134 | /* |
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135 | * _Semaphore_MP_Send_extract_proxy |
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136 | * |
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137 | * DESCRIPTION: |
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138 | * |
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139 | * This routine is invoked when a task is deleted and it |
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140 | * has a proxy which must be removed from a thread queue and |
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141 | * the remote node must be informed of this. |
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142 | */ |
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143 | |
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144 | void _Semaphore_MP_Send_extract_proxy ( |
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145 | Thread_Control *the_thread |
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146 | ); |
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147 | |
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148 | /* |
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149 | * _Semaphore_MP_Get_packet |
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150 | * |
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151 | * DESCRIPTION: |
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152 | * |
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153 | * This function is used to obtain a semaphore mp packet. |
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154 | */ |
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155 | |
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156 | Semaphore_MP_Packet *_Semaphore_MP_Get_packet ( void ); |
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157 | |
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158 | #ifdef __cplusplus |
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159 | } |
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160 | #endif |
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161 | |
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162 | #endif |
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163 | /* end of file */ |
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