1 | /** |
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2 | * @file itronsys/port.h |
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3 | */ |
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4 | |
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5 | /* |
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6 | * COPYRIGHT (c) 1989-1999. |
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7 | * On-Line Applications Research Corporation (OAR). |
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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.rtems.com/license/LICENSE. |
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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 _ITRONSYS_PORT_H |
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17 | #define _ITRONSYS_PORT_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 | * Create Port (cre_por) Structure |
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25 | */ |
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26 | |
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27 | typedef struct t_cpor { |
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28 | VP exinf; /* extended information */ |
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29 | ATR poratr; /* port attributes */ |
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30 | INT maxcmsz; /* maximum call message size */ |
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31 | INT maxrmsz; /* maximum reply message size */ |
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32 | /* additional information may be included depending on the implementation */ |
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33 | } T_CPOR; |
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34 | |
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35 | /* |
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36 | * poratr |
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37 | */ |
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38 | |
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39 | #define TA_NULL 0 /* specifies no particular attributes */ |
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40 | |
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41 | /* |
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42 | * TA_NULL should be used in place of zeroes to turn off all |
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43 | * attribute features. |
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44 | */ |
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45 | |
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46 | /* |
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47 | * Reference Port (ref_por) Structure |
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48 | */ |
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49 | |
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50 | typedef struct t_rpor { |
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51 | VP exinf; /* extended information */ |
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52 | BOOL_ID wtsk; /* indicates whether or not there is a task */ |
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53 | /* waiting to call a rendezvous */ |
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54 | BOOL_ID atsk; /* indicates whether or not there is a task */ |
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55 | /* waiting to accept a rendezvous */ |
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56 | /* additional information may be included depending on the implementation */ |
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57 | } T_RPOR; |
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58 | |
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59 | /* |
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60 | * Port Functions |
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61 | */ |
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62 | |
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63 | /* |
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64 | * cre_por - Create Port for Rendezvous |
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65 | */ |
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66 | |
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67 | ER cre_por( |
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68 | ID porid, |
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69 | T_CPOR *pk_cpor |
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70 | ); |
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71 | |
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72 | /* |
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73 | * del_por - Delete Port for Rendezvous |
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74 | */ |
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75 | |
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76 | ER del_por( |
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77 | ID porid |
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78 | ); |
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79 | |
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80 | /* |
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81 | * cal_por - Call Port for Rendezvous Poll |
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82 | */ |
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83 | |
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84 | ER cal_por( |
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85 | VP msg, |
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86 | INT *p_rmsgsz, |
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87 | ID porid, |
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88 | UINT calptn, |
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89 | INT cmsgsz |
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90 | ); |
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91 | |
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92 | /* |
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93 | * pcal_por - Poll and Call Port for Rendezvous |
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94 | */ |
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95 | |
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96 | ER pcal_por( |
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97 | VP msg, |
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98 | INT *p_rmsgsz, |
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99 | ID porid, |
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100 | UINT calptn, |
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101 | INT cmsgsz |
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102 | ); |
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103 | |
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104 | /* |
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105 | * tcal_por - Call Port for Rendezvous with Timeout |
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106 | */ |
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107 | |
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108 | ER tcal_por( |
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109 | VP msg, |
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110 | INT *p_rmsgsz, |
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111 | ID porid, |
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112 | UINT calptn, |
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113 | INT cmsgsz, |
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114 | TMO tmout |
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115 | ); |
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116 | |
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117 | /* |
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118 | * acp_por - Accept Port for Rendezvous Poll |
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119 | */ |
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120 | |
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121 | ER acp_por( |
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122 | RNO *p_rdvno, |
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123 | VP msg, |
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124 | INT *p_cmsgsz, |
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125 | ID porid, |
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126 | UINT acpptn |
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127 | ); |
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128 | |
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129 | /* |
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130 | * pacp_por - Poll and Accept Port for Rendezvous |
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131 | */ |
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132 | |
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133 | ER pacp_por( |
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134 | RNO *p_rdvno, |
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135 | VP msg, |
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136 | INT *p_cmsgsz, |
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137 | ID porid, |
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138 | UINT acpptn |
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139 | ); |
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140 | |
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141 | /* |
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142 | * tacp_por - Accept Port for Rendezvous with Timeout |
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143 | */ |
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144 | |
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145 | ER tacp_por( |
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146 | RNO *p_rdvno, |
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147 | VP msg, |
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148 | INT *p_cmsgsz, |
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149 | ID porid, |
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150 | UINT acpptn, |
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151 | TMO tmout |
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152 | ); |
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153 | |
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154 | /* |
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155 | * fwd_por - Forward Rendezvous to Other Port |
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156 | */ |
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157 | |
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158 | ER fwd_por( |
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159 | ID porid, |
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160 | UINT calptn, |
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161 | RNO rdvno, |
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162 | VP msg, |
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163 | INT cmsgsz |
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164 | ); |
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165 | |
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166 | /* |
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167 | * rpl_rdv - Reply Rendezvous |
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168 | */ |
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169 | |
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170 | ER rpl_rdv( |
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171 | RNO rdvno, |
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172 | VP msg, |
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173 | INT rmsgsz |
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174 | ); |
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175 | |
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176 | /* |
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177 | * ref_por - Reference Port Status |
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178 | */ |
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179 | |
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180 | ER ref_por( |
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181 | T_RPOR *pk_rpor, |
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182 | ID porid |
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183 | ); |
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184 | |
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185 | |
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186 | |
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187 | |
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188 | #ifdef __cplusplus |
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189 | } |
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190 | #endif |
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191 | |
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192 | #endif |
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193 | /* end of include file */ |
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