FreeCalypso > hg > freecalypso-sw
annotate gsm-fw/nucleus/pise.c @ 484:c617a6adcb69
top level README: status update
author | Michael Spacefalcon <msokolov@ivan.Harhan.ORG> |
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date | Sun, 29 Jun 2014 19:05:52 +0000 |
parents | afceeeb2cba1 |
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rev | line source |
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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 /* pise.c 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 /* PI - Pipe 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 error checking routines for supplemental */ |
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25 /* functions of the Pipe component. This permits easy removal of */ |
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26 /* error checking logic when it is not needed. */ |
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27 /* */ |
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28 /* DATA STRUCTURES */ |
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29 /* */ |
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30 /* None */ |
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31 /* */ |
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32 /* FUNCTIONS */ |
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33 /* */ |
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34 /* PISE_Reset_Pipe Reset a pipe */ |
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35 /* PISE_Send_To_Front_Of_Pipe Send message to pipe's front */ |
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36 /* PISE_Broadcast_To_Pipe Broadcast message to pipe */ |
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37 /* */ |
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38 /* DEPENDENCIES */ |
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39 /* */ |
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40 /* cs_extr.h Common Service functions */ |
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41 /* tc_extr.h Thread Control functions */ |
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42 /* pi_extr.h Pipe functions */ |
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43 /* */ |
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44 /* HISTORY */ |
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45 /* */ |
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46 /* DATE REMARKS */ |
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47 /* */ |
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48 /* 03-01-1994 Created initial version 1.1 from */ |
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49 /* routines originally in core */ |
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50 /* error checking file */ |
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51 /* */ |
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52 /* 03-18-1994 Verified version 1.1 */ |
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53 /* 04-17-1996 updated to version 1.2 */ |
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54 /* 03-24-1998 Released version 1.3. */ |
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55 /* 04-17-2002 Released version 1.13m */ |
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56 /* 11-07-2002 Released version 1.14 */ |
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57 /*************************************************************************/ |
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58 #define NU_SOURCE_FILE |
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59 |
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60 |
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61 #include "cs_extr.h" /* Common service functions */ |
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62 #include "tc_extr.h" /* Thread control functions */ |
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63 #include "pi_extr.h" /* Pipe functions */ |
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64 |
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65 |
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66 /*************************************************************************/ |
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67 /* */ |
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68 /* FUNCTION */ |
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69 /* */ |
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70 /* PISE_Reset_Pipe */ |
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71 /* */ |
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72 /* DESCRIPTION */ |
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73 /* */ |
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74 /* This function performs error checking on the parameter supplied */ |
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75 /* to the pipe reset function. */ |
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76 /* */ |
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77 /* CALLED BY */ |
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78 /* */ |
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79 /* Application */ |
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80 /* */ |
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81 /* CALLS */ |
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82 /* */ |
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83 /* PIS_Reset_Pipe Actual reset pipe function */ |
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84 /* */ |
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85 /* INPUTS */ |
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86 /* */ |
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87 /* pipe_ptr Pipe control block pointer */ |
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88 /* */ |
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89 /* OUTPUTS */ |
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90 /* */ |
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91 /* NU_INVALID_PIPE Invalid pipe pointer */ |
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92 /* */ |
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93 /* HISTORY */ |
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94 /* */ |
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95 /* DATE REMARKS */ |
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96 /* */ |
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97 /* 03-01-1993 Created initial version 1.0 */ |
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98 /* 04-19-1993 Verified version 1.0 */ |
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99 /* 03-01-1994 Modified function interface, */ |
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100 /* resulting in version 1.1 */ |
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101 /* */ |
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102 /* 03-18-1994 Verified version 1.1 */ |
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103 /* */ |
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104 /*************************************************************************/ |
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105 STATUS PISE_Reset_Pipe(NU_PIPE *pipe_ptr) |
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106 { |
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107 |
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108 PI_PCB *pipe; |
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109 STATUS status; |
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110 |
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111 |
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112 /* Move input pipe pointer into internal pointer. */ |
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113 pipe = (PI_PCB *) pipe_ptr; |
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114 |
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115 /* Determine if there is an error with the pipe pointer. */ |
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116 if (pipe == NU_NULL) |
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117 |
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118 /* Indicate that the pipe pointer is invalid. */ |
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119 status = NU_INVALID_PIPE; |
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120 |
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121 else if (pipe -> pi_id != PI_PIPE_ID) |
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122 |
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123 /* Indicate that the pipe pointer is invalid. */ |
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124 status = NU_INVALID_PIPE; |
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125 |
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126 else |
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127 |
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128 /* All the parameters are okay, call the actual function to reset |
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129 a pipe. */ |
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130 status = PIS_Reset_Pipe(pipe_ptr); |
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131 |
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132 /* Return completion status. */ |
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133 return(status); |
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134 } |
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135 |
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136 |
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137 /*************************************************************************/ |
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138 /* */ |
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139 /* FUNCTION */ |
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140 /* */ |
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141 /* PISE_Send_To_Front_Of_Pipe */ |
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142 /* */ |
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143 /* DESCRIPTION */ |
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144 /* */ |
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145 /* This function performs error checking on the parameters supplied */ |
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146 /* to the send message to front of pipe function. */ |
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147 /* */ |
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148 /* CALLED BY */ |
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149 /* */ |
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150 /* Application */ |
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151 /* */ |
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152 /* CALLS */ |
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153 /* */ |
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154 /* PIS_Send_To_Front_Of_Pipe Actual send to front of pipe */ |
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155 /* function */ |
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156 /* TCCE_Suspend_Error Check suspend validity */ |
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157 /* */ |
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158 /* INPUTS */ |
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159 /* */ |
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160 /* pipe_ptr Pipe control block pointer */ |
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161 /* message Pointer to message to send */ |
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162 /* size Size of message to send */ |
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163 /* suspend Suspension option if full */ |
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164 /* */ |
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165 /* OUTPUTS */ |
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166 /* */ |
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167 /* NU_INVALID_PIPE Invalid pipe pointer */ |
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168 /* NU_INVALID_POINTER Invalid message pointer */ |
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169 /* NU_INVALID_SIZE Invalid message size */ |
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170 /* NU_INVALID_SUSPEND Invalid suspend request */ |
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171 /* */ |
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172 /* HISTORY */ |
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173 /* */ |
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174 /* DATE REMARKS */ |
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175 /* */ |
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176 /* 03-01-1993 Created initial version 1.0 */ |
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177 /* 04-19-1993 Verified version 1.0 */ |
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178 /* 03-01-1994 Modified function interface, */ |
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179 /* resulting in version 1.1 */ |
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180 /* */ |
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181 /* 03-18-1994 Verified version 1.1 */ |
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182 /* */ |
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183 /*************************************************************************/ |
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184 STATUS PISE_Send_To_Front_Of_Pipe(NU_PIPE *pipe_ptr, VOID *message, |
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185 UNSIGNED size, UNSIGNED suspend) |
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186 { |
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187 |
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188 PI_PCB *pipe; |
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189 STATUS status; |
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190 |
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191 |
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192 /* Move input pipe pointer into internal pointer. */ |
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193 pipe = (PI_PCB *) pipe_ptr; |
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194 |
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195 /* Determine if there is an error with the pipe pointer. */ |
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196 if (pipe == NU_NULL) |
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197 |
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198 /* Indicate that the pipe pointer is invalid. */ |
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199 status = NU_INVALID_PIPE; |
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200 |
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201 else if (pipe -> pi_id != PI_PIPE_ID) |
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202 |
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203 /* Indicate that the pipe pointer is invalid. */ |
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204 status = NU_INVALID_PIPE; |
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205 |
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206 else if (message == NU_NULL) |
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207 |
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208 /* Indicate that the pointer to the message is invalid. */ |
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209 status = NU_INVALID_POINTER; |
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210 |
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211 else if (size == 0) |
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212 |
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213 /* Indicate that the message size is invalid */ |
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214 status = NU_INVALID_SIZE; |
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215 |
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216 else if ((pipe -> pi_fixed_size) && (size != pipe -> pi_message_size)) |
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217 |
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218 /* Indicate that the message size is invalid. */ |
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219 status = NU_INVALID_SIZE; |
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220 |
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221 else if ((!pipe -> pi_fixed_size) && (size > pipe -> pi_message_size)) |
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222 |
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223 /* Indicate that the message size is invalid. */ |
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224 status = NU_INVALID_SIZE; |
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225 |
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226 else if ((suspend) && (TCCE_Suspend_Error())) |
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227 |
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228 /* Indicate that suspension is only valid from a non-task thread. */ |
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229 status = NU_INVALID_SUSPEND; |
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230 |
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231 else |
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232 |
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233 /* All the parameters are okay, call the actual function to send |
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234 a message to a pipe. */ |
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235 status = PIS_Send_To_Front_Of_Pipe(pipe_ptr, message, size, suspend); |
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236 |
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237 /* Return completion status. */ |
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238 return(status); |
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239 } |
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240 |
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241 |
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242 /*************************************************************************/ |
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243 /* */ |
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244 /* FUNCTION */ |
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245 /* */ |
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246 /* PISE_Broadcast_To_Pipe */ |
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247 /* */ |
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248 /* DESCRIPTION */ |
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249 /* */ |
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250 /* This function performs error checking on the parameters supplied */ |
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251 /* to the broadcast message to pipe function. */ |
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252 /* */ |
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253 /* CALLED BY */ |
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254 /* */ |
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255 /* Application */ |
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256 /* */ |
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257 /* CALLS */ |
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258 /* */ |
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259 /* PIS_Broadcast_To_Pipe Actual broadcast message to */ |
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260 /* pipe function */ |
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261 /* TCCE_Suspend_Error Check suspend validity */ |
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262 /* */ |
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263 /* INPUTS */ |
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264 /* */ |
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265 /* pipe_ptr Pipe control block pointer */ |
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266 /* message Pointer to message to send */ |
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267 /* size Size of message to send */ |
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268 /* suspend Suspension option if full */ |
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269 /* */ |
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270 /* OUTPUTS */ |
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271 /* */ |
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272 /* NU_INVALID_PIPE Invalid pipe pointer */ |
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273 /* NU_INVALID_POINTER Invalid message pointer */ |
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274 /* NU_INVALID_SIZE Invalid message size */ |
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275 /* NU_INVALID_SUSPEND Invalid suspend request */ |
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276 /* */ |
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277 /* HISTORY */ |
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278 /* */ |
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279 /* DATE REMARKS */ |
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280 /* */ |
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281 /* 03-01-1993 Created initial version 1.0 */ |
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282 /* 04-19-1993 Verified version 1.0 */ |
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283 /* 03-01-1994 Modified function interface, */ |
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284 /* resulting in version 1.1 */ |
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285 /* */ |
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286 /* 03-18-1994 Verified version 1.1 */ |
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287 /* */ |
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288 /*************************************************************************/ |
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289 STATUS PISE_Broadcast_To_Pipe(NU_PIPE *pipe_ptr, VOID *message, |
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290 UNSIGNED size, UNSIGNED suspend) |
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291 { |
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292 |
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293 PI_PCB *pipe; |
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294 STATUS status; |
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295 |
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296 |
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297 /* Move input pipe pointer into internal pointer. */ |
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298 pipe = (PI_PCB *) pipe_ptr; |
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299 |
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300 /* Determine if there is an error with the pipe pointer. */ |
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301 if (pipe == NU_NULL) |
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302 |
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303 /* Indicate that the pipe pointer is invalid. */ |
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304 status = NU_INVALID_PIPE; |
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305 |
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306 else if (pipe -> pi_id != PI_PIPE_ID) |
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307 |
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308 /* Indicate that the pipe pointer is invalid. */ |
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309 status = NU_INVALID_PIPE; |
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310 |
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311 else if (message == NU_NULL) |
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312 |
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313 /* Indicate that the pointer to the message is invalid. */ |
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314 status = NU_INVALID_POINTER; |
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315 |
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316 else if (size == 0) |
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317 |
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318 /* Indicate that the message size is invalid */ |
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319 status = NU_INVALID_SIZE; |
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320 |
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321 else if ((pipe -> pi_fixed_size) && (size != pipe -> pi_message_size)) |
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322 |
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323 /* Indicate that the message size is invalid. */ |
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324 status = NU_INVALID_SIZE; |
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325 |
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326 else if ((!pipe -> pi_fixed_size) && (size > pipe -> pi_message_size)) |
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327 |
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328 /* Indicate that the message size is invalid. */ |
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329 status = NU_INVALID_SIZE; |
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330 |
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331 else if ((suspend) && (TCCE_Suspend_Error())) |
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332 |
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333 /* Indicate that suspension is only valid from a non-task thread. */ |
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334 status = NU_INVALID_SUSPEND; |
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335 |
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336 else |
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337 |
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338 /* All the parameters are okay, call the actual function to broadcast |
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339 a message to a pipe. */ |
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340 status = PIS_Broadcast_To_Pipe(pipe_ptr, message, size, suspend); |
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341 |
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342 /* Return completion status. */ |
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343 return(status); |
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344 } |
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345 |
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346 |
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347 |
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348 |
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349 |
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350 |
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351 |