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annotate src/nucleus/pice.c @ 109:a68c6c7942d7

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doc: basic build documentation written
author Mychaela Falconia <falcon@freecalypso.org>
date Tue, 24 Jul 2018 23:55:24 +0000
parents 0f80e1e4dce4
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 /* pice.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 core functions */
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25 /* of the Pipe component. This permits easy removal of error */
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26 /* 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 /* PICE_Create_Pipe Create a pipe */
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35 /* PICE_Delete_Pipe Delete a pipe */
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36 /* PICE_Send_To_Pipe Send a pipe message */
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37 /* PICE_Receive_From_Pipe Receive a pipe message */
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38 /* */
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39 /* DEPENDENCIES */
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40 /* */
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41 /* cs_extr.h Common Service functions */
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42 /* tc_extr.h Thread Control functions */
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43 /* pi_extr.h Pipe functions */
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44 /* */
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45 /* HISTORY */
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46 /* */
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47 /* DATE REMARKS */
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48 /* */
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49 /* 03-01-1993 Created initial version 1.0 */
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50 /* 04-19-1993 Verified version 1.0 */
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51 /* 03-01-1994 Split original error checking */
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52 /* file and changed function */
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53 /* interfaces, resulting in */
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54 /* version 1.1 */
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55 /* */
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56 /* 03-18-1994 Verified version 1.1 */
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57 /* 12-19-1995 Modified PICE_Receive_From_Pipe, */
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58 /* resulting in version 1.1+ */
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59 /* (spr065) */
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60 /* 04-17-1996 updated to version 1.2 */
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61 /* 03-24-1998 Released version 1.3 */
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62 /* 06-04-1998 Modified PICE_Send_To_Pipe to */
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63 /* check for a size of 0, created */
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64 /* version 1.3a. (SPR493) */
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65 /* 04-17-2002 Released version 1.13m */
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66 /* 11-07-2002 Released version 1.14 */
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67 /*************************************************************************/
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68 #define NU_SOURCE_FILE
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69
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70
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71 #include "cs_extr.h" /* Common service functions */
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72 #include "tc_extr.h" /* Thread control functions */
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73 #include "pi_extr.h" /* Pipe functions */
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75
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76 /*************************************************************************/
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77 /* */
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78 /* FUNCTION */
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79 /* */
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80 /* PICE_Create_Pipe */
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81 /* */
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82 /* DESCRIPTION */
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83 /* */
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84 /* This function performs error checking on the parameters supplied */
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85 /* to the pipe create function. */
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86 /* */
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87 /* CALLED BY */
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88 /* */
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89 /* Application */
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90 /* */
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91 /* CALLS */
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92 /* */
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93 /* PIC_Create_Pipe Actual create pipe function */
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94 /* */
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95 /* INPUTS */
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96 /* */
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97 /* pipe_ptr Pipe control block pointer */
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98 /* name Pipe name */
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99 /* start_address Starting address of actual */
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100 /* pipe area */
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101 /* pipe_size Total size of pipe */
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102 /* message_type Type of message supported by */
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103 /* the pipe (fixed/variable) */
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104 /* message_size Size of message. Variable */
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105 /* message-length queues, this*/
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106 /* represents the maximum size*/
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107 /* suspend_type Suspension type */
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108 /* */
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109 /* OUTPUTS */
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110 /* */
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111 /* NU_INVALID_PIPE Invalid pipe pointer */
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112 /* NU_INVALID_MEMORY Invalid pipe starting addr */
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113 /* NU_INVALID_SIZE Invalid pipe size and/or */
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114 /* size of message */
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115 /* NU_INVALID_MESSAGE Invalid message type */
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116 /* NU_INVALID_SUSPEND Invalid suspend type */
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117 /* */
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118 /* HISTORY */
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119 /* */
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120 /* DATE REMARKS */
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121 /* */
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122 /* 03-01-1993 Created initial version 1.0 */
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123 /* 04-19-1993 Verified version 1.0 */
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124 /* 03-01-1994 Modified function interface, */
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125 /* resulting in version 1.1 */
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126 /* */
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127 /* 03-18-1994 Verified version 1.1 */
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128 /* */
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129 /*************************************************************************/
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130 STATUS PICE_Create_Pipe(NU_PIPE *pipe_ptr, CHAR *name,
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131 VOID *start_address, UNSIGNED pipe_size,
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132 OPTION message_type, UNSIGNED message_size,
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133 OPTION suspend_type)
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134 {
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135
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136 PI_PCB *pipe;
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137 STATUS status;
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138 UNSIGNED overhead;
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139
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140
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141 /* Move input pipe pointer into internal pointer. */
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142 pipe = (PI_PCB *) pipe_ptr;
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143
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144
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145 /* Determine if pipe supports variable length messages. If so,
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146 additional bytes of overhead are required. */
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147 if (message_type == NU_VARIABLE_SIZE)
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148
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149 /* Calculate the number of overhead bytes necessary for the additional
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150 word of overhead and the pad-bytes required to keep the pipe
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151 write pointer on an UNSIGNED data element alignment. */
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152 overhead = sizeof(UNSIGNED) +
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153 (((message_size + sizeof(UNSIGNED) - 1)/sizeof(UNSIGNED)) *
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154 sizeof(UNSIGNED)) - message_size;
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155
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156 else
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157
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158 /* Fixed-size message queues require no additional overhead. */
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159 overhead = 0;
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160
0f80e1e4dce4 src/nucleus: library C code import from FreeNucleus package
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161
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162 /* Determine if there is an error with the pipe pointer. */
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163 if ((pipe == NU_NULL) || (pipe -> pi_id == PI_PIPE_ID))
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164
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165 /* Indicate that the pipe pointer is invalid. */
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166 status = NU_INVALID_PIPE;
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167
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168 else if (start_address == NU_NULL)
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169
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170 /* Indicate that the starting address of the pipe is invalid. */
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171 status = NU_INVALID_MEMORY;
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172
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173 else if ((pipe_size == 0) || (message_size == 0) ||
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174 ((message_size + overhead) > pipe_size))
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175
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176 /* Indicate that one or both of the size parameters are invalid. */
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177 status = NU_INVALID_SIZE;
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178
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179 else if ((message_type != NU_FIXED_SIZE) &&
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180 (message_type != NU_VARIABLE_SIZE))
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181
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182 /* Indicate that the message type is invalid. */
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183 status = NU_INVALID_MESSAGE;
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184
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185 else if ((suspend_type != NU_FIFO) && (suspend_type != NU_PRIORITY))
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186
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187 /* Indicate that the suspend type is invalid. */
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188 status = NU_INVALID_SUSPEND;
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189
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190 else
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191
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192 /* All the parameters are okay, call the actual function to create
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193 a pipe. */
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194 status = PIC_Create_Pipe(pipe_ptr, name, start_address, pipe_size,
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195 message_type, message_size, suspend_type);
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196
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197 /* Return completion status. */
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198 return(status);
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199 }
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200
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201
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202 /*************************************************************************/
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203 /* */
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204 /* FUNCTION */
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205 /* */
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206 /* PICE_Delete_Pipe */
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207 /* */
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208 /* DESCRIPTION */
0f80e1e4dce4 src/nucleus: library C code import from FreeNucleus package
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209 /* */
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210 /* This function performs error checking on the parameter supplied */
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211 /* to the pipe delete function. */
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212 /* */
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213 /* CALLED BY */
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214 /* */
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215 /* Application */
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216 /* */
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217 /* CALLS */
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218 /* */
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219 /* PIC_Delete_Pipe Actual delete pipe function */
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220 /* */
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221 /* INPUTS */
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222 /* */
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223 /* pipe_ptr Pipe control block pointer */
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224 /* */
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225 /* OUTPUTS */
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226 /* */
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227 /* NU_INVALID_PIPE Invalid pipe pointer */
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228 /* */
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229 /* HISTORY */
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230 /* */
0f80e1e4dce4 src/nucleus: library C code import from FreeNucleus package
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231 /* DATE REMARKS */
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232 /* */
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233 /* 03-01-1993 Created initial version 1.0 */
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234 /* 04-19-1993 Verified version 1.0 */
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235 /* 03-01-1994 Modified function interface, */
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236 /* resulting in version 1.1 */
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237 /* */
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238 /* 03-18-1994 Verified version 1.1 */
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239 /* */
0f80e1e4dce4 src/nucleus: library C code import from FreeNucleus package
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240 /*************************************************************************/
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241 STATUS PICE_Delete_Pipe(NU_PIPE *pipe_ptr)
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242 {
0f80e1e4dce4 src/nucleus: library C code import from FreeNucleus package
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243
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244 PI_PCB *pipe;
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245 STATUS status;
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Mychaela Falconia <falcon@freecalypso.org>
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246
0f80e1e4dce4 src/nucleus: library C code import from FreeNucleus package
Mychaela Falconia <falcon@freecalypso.org>
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247
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248 /* Move input pipe pointer into internal pointer. */
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249 pipe = (PI_PCB *) pipe_ptr;
0f80e1e4dce4 src/nucleus: library C code import from FreeNucleus package
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
250
0f80e1e4dce4 src/nucleus: library C code import from FreeNucleus package
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
251
0f80e1e4dce4 src/nucleus: library C code import from FreeNucleus package
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
252 /* Determine if there is an error with the pipe pointer. */
0f80e1e4dce4 src/nucleus: library C code import from FreeNucleus package
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
253 if (pipe == NU_NULL)
0f80e1e4dce4 src/nucleus: library C code import from FreeNucleus package
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
254
0f80e1e4dce4 src/nucleus: library C code import from FreeNucleus package
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
255 /* Indicate that the pipe pointer is invalid. */
0f80e1e4dce4 src/nucleus: library C code import from FreeNucleus package
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
256 status = NU_INVALID_PIPE;
0f80e1e4dce4 src/nucleus: library C code import from FreeNucleus package
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
257
0f80e1e4dce4 src/nucleus: library C code import from FreeNucleus package
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
258 else if (pipe -> pi_id != PI_PIPE_ID)
0f80e1e4dce4 src/nucleus: library C code import from FreeNucleus package
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
259
0f80e1e4dce4 src/nucleus: library C code import from FreeNucleus package
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
260 /* Indicate that the pipe pointer is invalid. */
0f80e1e4dce4 src/nucleus: library C code import from FreeNucleus package
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
261 status = NU_INVALID_PIPE;
0f80e1e4dce4 src/nucleus: library C code import from FreeNucleus package
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
262
0f80e1e4dce4 src/nucleus: library C code import from FreeNucleus package
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
263 else
0f80e1e4dce4 src/nucleus: library C code import from FreeNucleus package
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
264
0f80e1e4dce4 src/nucleus: library C code import from FreeNucleus package
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
265 /* All the parameters are okay, call the actual function to delete
0f80e1e4dce4 src/nucleus: library C code import from FreeNucleus package
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
266 a pipe. */
0f80e1e4dce4 src/nucleus: library C code import from FreeNucleus package
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
267 status = PIC_Delete_Pipe(pipe_ptr);
0f80e1e4dce4 src/nucleus: library C code import from FreeNucleus package
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
268
0f80e1e4dce4 src/nucleus: library C code import from FreeNucleus package
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
269 /* Return completion status. */
0f80e1e4dce4 src/nucleus: library C code import from FreeNucleus package
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
270 return(status);
0f80e1e4dce4 src/nucleus: library C code import from FreeNucleus package
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
271 }
0f80e1e4dce4 src/nucleus: library C code import from FreeNucleus package
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
272
0f80e1e4dce4 src/nucleus: library C code import from FreeNucleus package
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
273
0f80e1e4dce4 src/nucleus: library C code import from FreeNucleus package
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
274 /*************************************************************************/
0f80e1e4dce4 src/nucleus: library C code import from FreeNucleus package
Mychaela Falconia <falcon@freecalypso.org>
parents:
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275 /* */
0f80e1e4dce4 src/nucleus: library C code import from FreeNucleus package
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
276 /* FUNCTION */
0f80e1e4dce4 src/nucleus: library C code import from FreeNucleus package
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
277 /* */
0f80e1e4dce4 src/nucleus: library C code import from FreeNucleus package
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
278 /* PICE_Send_To_Pipe */
0f80e1e4dce4 src/nucleus: library C code import from FreeNucleus package
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
279 /* */
0f80e1e4dce4 src/nucleus: library C code import from FreeNucleus package
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
280 /* DESCRIPTION */
0f80e1e4dce4 src/nucleus: library C code import from FreeNucleus package
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
281 /* */
0f80e1e4dce4 src/nucleus: library C code import from FreeNucleus package
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
282 /* This function performs error checking on the parameters supplied */
0f80e1e4dce4 src/nucleus: library C code import from FreeNucleus package
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
283 /* to the send message to pipe function. */
0f80e1e4dce4 src/nucleus: library C code import from FreeNucleus package
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
284 /* */
0f80e1e4dce4 src/nucleus: library C code import from FreeNucleus package
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
285 /* CALLED BY */
0f80e1e4dce4 src/nucleus: library C code import from FreeNucleus package
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
286 /* */
0f80e1e4dce4 src/nucleus: library C code import from FreeNucleus package
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
287 /* Application */
0f80e1e4dce4 src/nucleus: library C code import from FreeNucleus package
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
288 /* */
0f80e1e4dce4 src/nucleus: library C code import from FreeNucleus package
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
289 /* CALLS */
0f80e1e4dce4 src/nucleus: library C code import from FreeNucleus package
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
290 /* */
0f80e1e4dce4 src/nucleus: library C code import from FreeNucleus package
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
291 /* PIC_Send_To_Pipe Actual send pipe message */
0f80e1e4dce4 src/nucleus: library C code import from FreeNucleus package
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
292 /* function */
0f80e1e4dce4 src/nucleus: library C code import from FreeNucleus package
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
293 /* TCCE_Suspend_Error Check suspend validity */
0f80e1e4dce4 src/nucleus: library C code import from FreeNucleus package
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
294 /* */
0f80e1e4dce4 src/nucleus: library C code import from FreeNucleus package
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
295 /* INPUTS */
0f80e1e4dce4 src/nucleus: library C code import from FreeNucleus package
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
296 /* */
0f80e1e4dce4 src/nucleus: library C code import from FreeNucleus package
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
297 /* pipe_ptr Pipe control block pointer */
0f80e1e4dce4 src/nucleus: library C code import from FreeNucleus package
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
298 /* message Pointer to message to send */
0f80e1e4dce4 src/nucleus: library C code import from FreeNucleus package
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
299 /* size Size of message to send */
0f80e1e4dce4 src/nucleus: library C code import from FreeNucleus package
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
300 /* suspend Suspension option if full */
0f80e1e4dce4 src/nucleus: library C code import from FreeNucleus package
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
301 /* */
0f80e1e4dce4 src/nucleus: library C code import from FreeNucleus package
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
302 /* OUTPUTS */
0f80e1e4dce4 src/nucleus: library C code import from FreeNucleus package
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
303 /* */
0f80e1e4dce4 src/nucleus: library C code import from FreeNucleus package
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
304 /* NU_INVALID_PIPE Invalid pipe pointer */
0f80e1e4dce4 src/nucleus: library C code import from FreeNucleus package
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
305 /* NU_INVALID_POINTER Invalid message pointer */
0f80e1e4dce4 src/nucleus: library C code import from FreeNucleus package
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
306 /* NU_INVALID_SIZE Invalid message size */
0f80e1e4dce4 src/nucleus: library C code import from FreeNucleus package
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
307 /* NU_INVALID_SUSPEND Invalid suspend request */
0f80e1e4dce4 src/nucleus: library C code import from FreeNucleus package
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
308 /* */
0f80e1e4dce4 src/nucleus: library C code import from FreeNucleus package
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
309 /* HISTORY */
0f80e1e4dce4 src/nucleus: library C code import from FreeNucleus package
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
310 /* */
0f80e1e4dce4 src/nucleus: library C code import from FreeNucleus package
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
311 /* DATE REMARKS */
0f80e1e4dce4 src/nucleus: library C code import from FreeNucleus package
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
312 /* */
0f80e1e4dce4 src/nucleus: library C code import from FreeNucleus package
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
313 /* 03-01-1993 Created initial version 1.0 */
0f80e1e4dce4 src/nucleus: library C code import from FreeNucleus package
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
314 /* 04-19-1993 Verified version 1.0 */
0f80e1e4dce4 src/nucleus: library C code import from FreeNucleus package
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
315 /* 03-01-1994 Modified function interface, */
0f80e1e4dce4 src/nucleus: library C code import from FreeNucleus package
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
316 /* resulting in version 1.1 */
0f80e1e4dce4 src/nucleus: library C code import from FreeNucleus package
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
317 /* */
0f80e1e4dce4 src/nucleus: library C code import from FreeNucleus package
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
318 /* 03-18-1994 Verified version 1.1 */
0f80e1e4dce4 src/nucleus: library C code import from FreeNucleus package
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
319 /* 06-04-1998 Corrected SPR493 */
0f80e1e4dce4 src/nucleus: library C code import from FreeNucleus package
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
320 /* */
0f80e1e4dce4 src/nucleus: library C code import from FreeNucleus package
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
321 /*************************************************************************/
0f80e1e4dce4 src/nucleus: library C code import from FreeNucleus package
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
322 STATUS PICE_Send_To_Pipe(NU_PIPE *pipe_ptr, VOID *message, UNSIGNED size,
0f80e1e4dce4 src/nucleus: library C code import from FreeNucleus package
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
323 UNSIGNED suspend)
0f80e1e4dce4 src/nucleus: library C code import from FreeNucleus package
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
324 {
0f80e1e4dce4 src/nucleus: library C code import from FreeNucleus package
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
325
0f80e1e4dce4 src/nucleus: library C code import from FreeNucleus package
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
326 PI_PCB *pipe;
0f80e1e4dce4 src/nucleus: library C code import from FreeNucleus package
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
327 STATUS status;
0f80e1e4dce4 src/nucleus: library C code import from FreeNucleus package
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
328
0f80e1e4dce4 src/nucleus: library C code import from FreeNucleus package
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
329
0f80e1e4dce4 src/nucleus: library C code import from FreeNucleus package
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
330 /* Move input pipe pointer into internal pointer. */
0f80e1e4dce4 src/nucleus: library C code import from FreeNucleus package
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
331 pipe = (PI_PCB *) pipe_ptr;
0f80e1e4dce4 src/nucleus: library C code import from FreeNucleus package
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
332
0f80e1e4dce4 src/nucleus: library C code import from FreeNucleus package
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
333 /* Determine if there is an error with the pipe pointer. */
0f80e1e4dce4 src/nucleus: library C code import from FreeNucleus package
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
334 if (pipe == NU_NULL)
0f80e1e4dce4 src/nucleus: library C code import from FreeNucleus package
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
335
0f80e1e4dce4 src/nucleus: library C code import from FreeNucleus package
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
336 /* Indicate that the pipe pointer is invalid. */
0f80e1e4dce4 src/nucleus: library C code import from FreeNucleus package
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
337 status = NU_INVALID_PIPE;
0f80e1e4dce4 src/nucleus: library C code import from FreeNucleus package
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
338
0f80e1e4dce4 src/nucleus: library C code import from FreeNucleus package
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
339 else if (pipe -> pi_id != PI_PIPE_ID)
0f80e1e4dce4 src/nucleus: library C code import from FreeNucleus package
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
340
0f80e1e4dce4 src/nucleus: library C code import from FreeNucleus package
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
341 /* Indicate that the pipe pointer is invalid. */
0f80e1e4dce4 src/nucleus: library C code import from FreeNucleus package
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
342 status = NU_INVALID_PIPE;
0f80e1e4dce4 src/nucleus: library C code import from FreeNucleus package
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
343
0f80e1e4dce4 src/nucleus: library C code import from FreeNucleus package
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
344 else if (message == NU_NULL)
0f80e1e4dce4 src/nucleus: library C code import from FreeNucleus package
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
345
0f80e1e4dce4 src/nucleus: library C code import from FreeNucleus package
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
346 /* Indicate that the pointer to the message is invalid. */
0f80e1e4dce4 src/nucleus: library C code import from FreeNucleus package
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
347 status = NU_INVALID_POINTER;
0f80e1e4dce4 src/nucleus: library C code import from FreeNucleus package
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
348
0f80e1e4dce4 src/nucleus: library C code import from FreeNucleus package
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
349 else if (size == 0)
0f80e1e4dce4 src/nucleus: library C code import from FreeNucleus package
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
350
0f80e1e4dce4 src/nucleus: library C code import from FreeNucleus package
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
351 /* Indicate that the message size is invalid. */
0f80e1e4dce4 src/nucleus: library C code import from FreeNucleus package
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
352 status = NU_INVALID_SIZE;
0f80e1e4dce4 src/nucleus: library C code import from FreeNucleus package
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
353
0f80e1e4dce4 src/nucleus: library C code import from FreeNucleus package
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
354 else if ((pipe -> pi_fixed_size) && (size != pipe -> pi_message_size))
0f80e1e4dce4 src/nucleus: library C code import from FreeNucleus package
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
355
0f80e1e4dce4 src/nucleus: library C code import from FreeNucleus package
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
356 /* Indicate that the message size is invalid. */
0f80e1e4dce4 src/nucleus: library C code import from FreeNucleus package
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
357 status = NU_INVALID_SIZE;
0f80e1e4dce4 src/nucleus: library C code import from FreeNucleus package
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
358
0f80e1e4dce4 src/nucleus: library C code import from FreeNucleus package
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
359 else if ((!pipe -> pi_fixed_size) && (size > pipe -> pi_message_size))
0f80e1e4dce4 src/nucleus: library C code import from FreeNucleus package
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
360
0f80e1e4dce4 src/nucleus: library C code import from FreeNucleus package
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
361 /* Indicate that the message size is invalid. */
0f80e1e4dce4 src/nucleus: library C code import from FreeNucleus package
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
362 status = NU_INVALID_SIZE;
0f80e1e4dce4 src/nucleus: library C code import from FreeNucleus package
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
363
0f80e1e4dce4 src/nucleus: library C code import from FreeNucleus package
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
364 else if ((suspend) && (TCCE_Suspend_Error()))
0f80e1e4dce4 src/nucleus: library C code import from FreeNucleus package
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
365
0f80e1e4dce4 src/nucleus: library C code import from FreeNucleus package
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
366 /* Indicate that suspension is only valid from a non-task thread. */
0f80e1e4dce4 src/nucleus: library C code import from FreeNucleus package
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
367 status = NU_INVALID_SUSPEND;
0f80e1e4dce4 src/nucleus: library C code import from FreeNucleus package
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
368
0f80e1e4dce4 src/nucleus: library C code import from FreeNucleus package
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
369 else
0f80e1e4dce4 src/nucleus: library C code import from FreeNucleus package
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
370
0f80e1e4dce4 src/nucleus: library C code import from FreeNucleus package
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
371 /* All the parameters are okay, call the actual function to send
0f80e1e4dce4 src/nucleus: library C code import from FreeNucleus package
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
372 a message to a pipe. */
0f80e1e4dce4 src/nucleus: library C code import from FreeNucleus package
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
373 status = PIC_Send_To_Pipe(pipe_ptr, message, size, suspend);
0f80e1e4dce4 src/nucleus: library C code import from FreeNucleus package
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
374
0f80e1e4dce4 src/nucleus: library C code import from FreeNucleus package
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
375 /* Return completion status. */
0f80e1e4dce4 src/nucleus: library C code import from FreeNucleus package
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
376 return(status);
0f80e1e4dce4 src/nucleus: library C code import from FreeNucleus package
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
377 }
0f80e1e4dce4 src/nucleus: library C code import from FreeNucleus package
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
378
0f80e1e4dce4 src/nucleus: library C code import from FreeNucleus package
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
379
0f80e1e4dce4 src/nucleus: library C code import from FreeNucleus package
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
380 /*************************************************************************/
0f80e1e4dce4 src/nucleus: library C code import from FreeNucleus package
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
381 /* */
0f80e1e4dce4 src/nucleus: library C code import from FreeNucleus package
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
382 /* FUNCTION */
0f80e1e4dce4 src/nucleus: library C code import from FreeNucleus package
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
383 /* */
0f80e1e4dce4 src/nucleus: library C code import from FreeNucleus package
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
384 /* PICE_Receive_From_Pipe */
0f80e1e4dce4 src/nucleus: library C code import from FreeNucleus package
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
385 /* */
0f80e1e4dce4 src/nucleus: library C code import from FreeNucleus package
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
386 /* DESCRIPTION */
0f80e1e4dce4 src/nucleus: library C code import from FreeNucleus package
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
387 /* */
0f80e1e4dce4 src/nucleus: library C code import from FreeNucleus package
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
388 /* This function performs error checking on the parameters supplied */
0f80e1e4dce4 src/nucleus: library C code import from FreeNucleus package
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
389 /* to the receive message from pipe function. */
0f80e1e4dce4 src/nucleus: library C code import from FreeNucleus package
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
390 /* */
0f80e1e4dce4 src/nucleus: library C code import from FreeNucleus package
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
391 /* CALLED BY */
0f80e1e4dce4 src/nucleus: library C code import from FreeNucleus package
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
392 /* */
0f80e1e4dce4 src/nucleus: library C code import from FreeNucleus package
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
393 /* Application */
0f80e1e4dce4 src/nucleus: library C code import from FreeNucleus package
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
394 /* */
0f80e1e4dce4 src/nucleus: library C code import from FreeNucleus package
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
395 /* CALLS */
0f80e1e4dce4 src/nucleus: library C code import from FreeNucleus package
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
396 /* */
0f80e1e4dce4 src/nucleus: library C code import from FreeNucleus package
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
397 /* PIC_Receive_From_Pipe Actual receive message from */
0f80e1e4dce4 src/nucleus: library C code import from FreeNucleus package
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
398 /* pipe */
0f80e1e4dce4 src/nucleus: library C code import from FreeNucleus package
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
399 /* TCCE_Suspend_Error Check suspend validity */
0f80e1e4dce4 src/nucleus: library C code import from FreeNucleus package
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
400 /* */
0f80e1e4dce4 src/nucleus: library C code import from FreeNucleus package
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
401 /* INPUTS */
0f80e1e4dce4 src/nucleus: library C code import from FreeNucleus package
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
402 /* */
0f80e1e4dce4 src/nucleus: library C code import from FreeNucleus package
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
403 /* pipe_ptr Pipe control block pointer */
0f80e1e4dce4 src/nucleus: library C code import from FreeNucleus package
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
404 /* message Pointer to message to send */
0f80e1e4dce4 src/nucleus: library C code import from FreeNucleus package
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
405 /* size Size of the message */
0f80e1e4dce4 src/nucleus: library C code import from FreeNucleus package
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
406 /* actual_size Size of message received */
0f80e1e4dce4 src/nucleus: library C code import from FreeNucleus package
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
407 /* suspend Suspension option if empty */
0f80e1e4dce4 src/nucleus: library C code import from FreeNucleus package
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
408 /* */
0f80e1e4dce4 src/nucleus: library C code import from FreeNucleus package
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
409 /* OUTPUTS */
0f80e1e4dce4 src/nucleus: library C code import from FreeNucleus package
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
410 /* */
0f80e1e4dce4 src/nucleus: library C code import from FreeNucleus package
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
411 /* NU_INVALID_PIPE Invalid pipe pointer */
0f80e1e4dce4 src/nucleus: library C code import from FreeNucleus package
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
412 /* NU_INVALID_POINTER Invalid message pointer */
0f80e1e4dce4 src/nucleus: library C code import from FreeNucleus package
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
413 /* NU_INVALID_SIZE Invalid message size */
0f80e1e4dce4 src/nucleus: library C code import from FreeNucleus package
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
414 /* NU_INVALID_SUSPEND Invalid suspend request */
0f80e1e4dce4 src/nucleus: library C code import from FreeNucleus package
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
415 /* */
0f80e1e4dce4 src/nucleus: library C code import from FreeNucleus package
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
416 /* HISTORY */
0f80e1e4dce4 src/nucleus: library C code import from FreeNucleus package
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
417 /* */
0f80e1e4dce4 src/nucleus: library C code import from FreeNucleus package
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
418 /* DATE REMARKS */
0f80e1e4dce4 src/nucleus: library C code import from FreeNucleus package
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
419 /* */
0f80e1e4dce4 src/nucleus: library C code import from FreeNucleus package
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
420 /* 03-01-1993 Created initial version 1.0 */
0f80e1e4dce4 src/nucleus: library C code import from FreeNucleus package
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
421 /* 04-19-1993 Verified version 1.0 */
0f80e1e4dce4 src/nucleus: library C code import from FreeNucleus package
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
422 /* 03-01-1994 Modified function interface, */
0f80e1e4dce4 src/nucleus: library C code import from FreeNucleus package
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
423 /* resulting in version 1.1 */
0f80e1e4dce4 src/nucleus: library C code import from FreeNucleus package
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
424 /* */
0f80e1e4dce4 src/nucleus: library C code import from FreeNucleus package
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
425 /* 03-18-1994 Verified version 1.1 */
0f80e1e4dce4 src/nucleus: library C code import from FreeNucleus package
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
426 /* 12-19-1995 Changed the variable pipe check */
0f80e1e4dce4 src/nucleus: library C code import from FreeNucleus package
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
427 /* from "message size not equal */
0f80e1e4dce4 src/nucleus: library C code import from FreeNucleus package
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
428 /* to pipe message size" to */
0f80e1e4dce4 src/nucleus: library C code import from FreeNucleus package
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
429 /* "message size greater than */
0f80e1e4dce4 src/nucleus: library C code import from FreeNucleus package
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
430 /* pipe message size",resulting */
0f80e1e4dce4 src/nucleus: library C code import from FreeNucleus package
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
431 /* in version 1.1+ (spr065) */
0f80e1e4dce4 src/nucleus: library C code import from FreeNucleus package
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
432 /* */
0f80e1e4dce4 src/nucleus: library C code import from FreeNucleus package
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
433 /*************************************************************************/
0f80e1e4dce4 src/nucleus: library C code import from FreeNucleus package
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
434 STATUS PICE_Receive_From_Pipe(NU_PIPE *pipe_ptr, VOID *message,
0f80e1e4dce4 src/nucleus: library C code import from FreeNucleus package
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
435 UNSIGNED size, UNSIGNED *actual_size, UNSIGNED suspend)
0f80e1e4dce4 src/nucleus: library C code import from FreeNucleus package
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
436 {
0f80e1e4dce4 src/nucleus: library C code import from FreeNucleus package
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
437
0f80e1e4dce4 src/nucleus: library C code import from FreeNucleus package
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
438 PI_PCB *pipe;
0f80e1e4dce4 src/nucleus: library C code import from FreeNucleus package
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
439 STATUS status;
0f80e1e4dce4 src/nucleus: library C code import from FreeNucleus package
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
440
0f80e1e4dce4 src/nucleus: library C code import from FreeNucleus package
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
441
0f80e1e4dce4 src/nucleus: library C code import from FreeNucleus package
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
442 /* Move input pipe pointer into internal pointer. */
0f80e1e4dce4 src/nucleus: library C code import from FreeNucleus package
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
443 pipe = (PI_PCB *) pipe_ptr;
0f80e1e4dce4 src/nucleus: library C code import from FreeNucleus package
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
444
0f80e1e4dce4 src/nucleus: library C code import from FreeNucleus package
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
445 /* Determine if there is an error with the pipe pointer. */
0f80e1e4dce4 src/nucleus: library C code import from FreeNucleus package
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
446 if (pipe == NU_NULL)
0f80e1e4dce4 src/nucleus: library C code import from FreeNucleus package
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
447
0f80e1e4dce4 src/nucleus: library C code import from FreeNucleus package
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
448 /* Indicate that the pipe pointer is invalid. */
0f80e1e4dce4 src/nucleus: library C code import from FreeNucleus package
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
449 status = NU_INVALID_PIPE;
0f80e1e4dce4 src/nucleus: library C code import from FreeNucleus package
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
450
0f80e1e4dce4 src/nucleus: library C code import from FreeNucleus package
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
451 else if (pipe -> pi_id != PI_PIPE_ID)
0f80e1e4dce4 src/nucleus: library C code import from FreeNucleus package
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
452
0f80e1e4dce4 src/nucleus: library C code import from FreeNucleus package
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
453 /* Indicate that the pipe pointer is invalid. */
0f80e1e4dce4 src/nucleus: library C code import from FreeNucleus package
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
454 status = NU_INVALID_PIPE;
0f80e1e4dce4 src/nucleus: library C code import from FreeNucleus package
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
455
0f80e1e4dce4 src/nucleus: library C code import from FreeNucleus package
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
456 else if (message == NU_NULL)
0f80e1e4dce4 src/nucleus: library C code import from FreeNucleus package
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
457
0f80e1e4dce4 src/nucleus: library C code import from FreeNucleus package
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
458 /* Indicate that the pointer to the message is invalid. */
0f80e1e4dce4 src/nucleus: library C code import from FreeNucleus package
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
459 status = NU_INVALID_POINTER;
0f80e1e4dce4 src/nucleus: library C code import from FreeNucleus package
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
460
0f80e1e4dce4 src/nucleus: library C code import from FreeNucleus package
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
461 else if (size == 0)
0f80e1e4dce4 src/nucleus: library C code import from FreeNucleus package
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
462
0f80e1e4dce4 src/nucleus: library C code import from FreeNucleus package
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
463 /* Indicate that the message size is invalid. */
0f80e1e4dce4 src/nucleus: library C code import from FreeNucleus package
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
464 status = NU_INVALID_SIZE;
0f80e1e4dce4 src/nucleus: library C code import from FreeNucleus package
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
465
0f80e1e4dce4 src/nucleus: library C code import from FreeNucleus package
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
466 else if ((pipe -> pi_fixed_size) && (size != pipe -> pi_message_size))
0f80e1e4dce4 src/nucleus: library C code import from FreeNucleus package
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
467
0f80e1e4dce4 src/nucleus: library C code import from FreeNucleus package
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
468 /* Indicate that the message size is invalid. */
0f80e1e4dce4 src/nucleus: library C code import from FreeNucleus package
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
469 status = NU_INVALID_SIZE;
0f80e1e4dce4 src/nucleus: library C code import from FreeNucleus package
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
470
0f80e1e4dce4 src/nucleus: library C code import from FreeNucleus package
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
471 else if ((!pipe -> pi_fixed_size) && (size > pipe -> pi_message_size))
0f80e1e4dce4 src/nucleus: library C code import from FreeNucleus package
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
472
0f80e1e4dce4 src/nucleus: library C code import from FreeNucleus package
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
473 /* Indicate that the message size is invalid. */
0f80e1e4dce4 src/nucleus: library C code import from FreeNucleus package
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
474 status = NU_INVALID_SIZE;
0f80e1e4dce4 src/nucleus: library C code import from FreeNucleus package
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
475
0f80e1e4dce4 src/nucleus: library C code import from FreeNucleus package
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
476 else if ((suspend) && (TCCE_Suspend_Error()))
0f80e1e4dce4 src/nucleus: library C code import from FreeNucleus package
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
477
0f80e1e4dce4 src/nucleus: library C code import from FreeNucleus package
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
478 /* Indicate that suspension is only valid from a non-task thread. */
0f80e1e4dce4 src/nucleus: library C code import from FreeNucleus package
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
479 status = NU_INVALID_SUSPEND;
0f80e1e4dce4 src/nucleus: library C code import from FreeNucleus package
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
480
0f80e1e4dce4 src/nucleus: library C code import from FreeNucleus package
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
481 else
0f80e1e4dce4 src/nucleus: library C code import from FreeNucleus package
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
482
0f80e1e4dce4 src/nucleus: library C code import from FreeNucleus package
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
483 /* All the parameters are okay, call the actual function to receive
0f80e1e4dce4 src/nucleus: library C code import from FreeNucleus package
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
484 a message from a pipe. */
0f80e1e4dce4 src/nucleus: library C code import from FreeNucleus package
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
485 status = PIC_Receive_From_Pipe(pipe_ptr, message, size, actual_size,
0f80e1e4dce4 src/nucleus: library C code import from FreeNucleus package
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
486 suspend);
0f80e1e4dce4 src/nucleus: library C code import from FreeNucleus package
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
487
0f80e1e4dce4 src/nucleus: library C code import from FreeNucleus package
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
488 /* Return completion status. */
0f80e1e4dce4 src/nucleus: library C code import from FreeNucleus package
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
489 return(status);
0f80e1e4dce4 src/nucleus: library C code import from FreeNucleus package
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
490 }
0f80e1e4dce4 src/nucleus: library C code import from FreeNucleus package
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
491
0f80e1e4dce4 src/nucleus: library C code import from FreeNucleus package
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
492
0f80e1e4dce4 src/nucleus: library C code import from FreeNucleus package
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
493
0f80e1e4dce4 src/nucleus: library C code import from FreeNucleus package
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
494
0f80e1e4dce4 src/nucleus: library C code import from FreeNucleus package
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
495
0f80e1e4dce4 src/nucleus: library C code import from FreeNucleus package
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
496
0f80e1e4dce4 src/nucleus: library C code import from FreeNucleus package
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
497