FreeCalypso > hg > freecalypso-sw
annotate gsm-fw/nucleus/quf.c @ 577:d70ebaea3003
L1: tpudrv.c compiles
author | Michael Spacefalcon <msokolov@ivan.Harhan.ORG> |
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date | Mon, 11 Aug 2014 06:32:10 +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 /* quf.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 /* QU - Queue 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 routines to obtain facts about the Queue */ |
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25 /* management component. */ |
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26 /* */ |
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27 /* DATA STRUCTURES */ |
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28 /* */ |
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29 /* None */ |
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30 /* */ |
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31 /* FUNCTIONS */ |
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32 /* */ |
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33 /* QUF_Established_Queues Number of created queues */ |
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34 /* QUF_Queue_Information Retrieve queue information */ |
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35 /* QUF_Queue_Pointers Build queue pointer list */ |
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36 /* */ |
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37 /* DEPENDENCIES */ |
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38 /* */ |
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39 /* cs_extr.h Common Service functions */ |
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40 /* tc_extr.h Thread Control functions */ |
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41 /* qu_extr.h Queue functions */ |
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42 /* hi_extr.h History 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 Initial version of queue fact */ |
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49 /* service file, version 1.1 */ |
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50 /* */ |
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51 /* 03-18-1994 Verified version 1.1 */ |
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52 /* 04-17-1996 updated to version 1.2 */ |
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53 /* 11-18-1996 Protected Informational service */ |
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54 /* from NULL Control Block pointers */ |
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55 /* creating 1.2a. (SPR220) */ |
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56 /* 03-24-1998 Released version 1.3. */ |
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57 /* 03-26-1999 Released 1.11m (new release */ |
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58 /* numbering scheme) */ |
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59 /* 04-17-2002 Released version 1.13m */ |
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60 /* 11-07-2002 Released version 1.14 */ |
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61 /*************************************************************************/ |
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62 #define NU_SOURCE_FILE |
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63 |
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64 |
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65 #include "cs_extr.h" /* Common service functions */ |
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66 #include "tc_extr.h" /* Thread control functions */ |
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67 #include "qu_extr.h" /* Queue functions */ |
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68 #include "hi_extr.h" /* History functions */ |
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69 |
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70 |
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71 /* Define external inner-component global data references. */ |
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72 |
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73 extern CS_NODE *QUD_Created_Queues_List; |
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74 extern UNSIGNED QUD_Total_Queues; |
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75 extern TC_PROTECT QUD_List_Protect; |
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76 |
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77 |
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78 |
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79 /*************************************************************************/ |
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80 /* */ |
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81 /* FUNCTION */ |
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82 /* */ |
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83 /* QUF_Established_Queues */ |
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84 /* */ |
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85 /* DESCRIPTION */ |
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86 /* */ |
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87 /* This function returns the current number of established */ |
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88 /* queues. Queues previously deleted are no longer considered */ |
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89 /* established. */ |
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90 /* */ |
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91 /* CALLED BY */ |
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92 /* */ |
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93 /* Application */ |
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94 /* */ |
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95 /* CALLS */ |
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96 /* */ |
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97 /* [TCT_Check_Stack] Stack checking function */ |
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98 /* */ |
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99 /* INPUTS */ |
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100 /* */ |
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101 /* None */ |
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102 /* */ |
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103 /* OUTPUTS */ |
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104 /* */ |
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105 /* QUD_Total_Queues Number of established */ |
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106 /* queues */ |
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107 /* */ |
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108 /* HISTORY */ |
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109 /* */ |
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110 /* DATE REMARKS */ |
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111 /* */ |
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112 /* 03-01-1993 Created initial version 1.0 */ |
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113 /* 04-19-1993 Verified version 1.0 */ |
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114 /* 03-01-1994 Modified function interface, */ |
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115 /* resulting in version 1.1 */ |
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116 /* */ |
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117 /* 03-18-1994 Verified version 1.1 */ |
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118 /* */ |
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119 /*************************************************************************/ |
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120 UNSIGNED QUF_Established_Queues(VOID) |
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121 { |
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122 |
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123 |
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124 #ifdef NU_ENABLE_STACK_CHECK |
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125 |
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126 /* Call stack checking function to check for an overflow condition. */ |
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127 TCT_Check_Stack(); |
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128 |
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129 #endif |
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130 |
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131 /* Return the number of established queues. */ |
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132 return(QUD_Total_Queues); |
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133 } |
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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 /* FUNCTION */ |
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139 /* */ |
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140 /* QUF_Queue_Pointers */ |
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141 /* */ |
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142 /* DESCRIPTION */ |
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143 /* */ |
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144 /* This function builds a list of queue pointers, starting at the */ |
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145 /* specified location. The number of queue pointers placed in the */ |
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146 /* list is equivalent to the total number of queues or the maximum */ |
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147 /* number of pointers specified in the call. */ |
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148 /* */ |
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149 /* CALLED BY */ |
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150 /* */ |
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151 /* Application */ |
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152 /* */ |
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153 /* CALLS */ |
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154 /* */ |
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155 /* [TCT_Check_Stack] Stack checking function */ |
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156 /* TCT_Protect Protect created list */ |
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157 /* TCT_Unprotect Release protection */ |
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158 /* */ |
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159 /* INPUTS */ |
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160 /* */ |
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161 /* pointer_list Pointer to the list area */ |
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162 /* maximum_pointers Maximum number of pointers */ |
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163 /* */ |
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164 /* OUTPUTS */ |
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165 /* */ |
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166 /* pointers Number of queue pointers */ |
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167 /* placed in the list */ |
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168 /* HISTORY */ |
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169 /* */ |
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170 /* DATE REMARKS */ |
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171 /* */ |
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172 /* 03-01-1993 Created initial version 1.0 */ |
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173 /* 04-19-1993 Verified version 1.0 */ |
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174 /* 08-09-1993 Corrected pointer retrieval */ |
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175 /* loop, resulting in version 1.0a */ |
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176 /* 08-09-1993 Verified version 1.0a */ |
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177 /* 03-01-1994 Modified function interface, */ |
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178 /* resulting in version 1.1 */ |
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179 /* */ |
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180 /* 03-18-1994 Verified version 1.1 */ |
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181 /* */ |
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182 /*************************************************************************/ |
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183 UNSIGNED QUF_Queue_Pointers(NU_QUEUE **pointer_list,UNSIGNED maximum_pointers) |
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184 { |
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185 CS_NODE *node_ptr; /* Pointer to each QCB */ |
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186 UNSIGNED pointers; /* Number of pointers in list*/ |
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187 NU_SUPERV_USER_VARIABLES |
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188 |
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189 /* Switch to supervisor mode */ |
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190 NU_SUPERVISOR_MODE(); |
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191 |
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192 #ifdef NU_ENABLE_STACK_CHECK |
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193 |
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194 /* Call stack checking function to check for an overflow condition. */ |
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195 TCT_Check_Stack(); |
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196 |
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197 #endif |
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198 |
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199 /* Initialize the number of pointers returned. */ |
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200 pointers = 0; |
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201 |
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202 /* Protect against access to the list of created queues. */ |
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203 TCT_Protect(&QUD_List_Protect); |
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204 |
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205 /* Loop until all queue pointers are in the list or until the maximum |
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206 list size is reached. */ |
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207 node_ptr = QUD_Created_Queues_List; |
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208 while ((node_ptr) && (pointers < maximum_pointers)) |
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209 { |
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210 |
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211 /* Place the node into the destination list. */ |
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212 *pointer_list++ = (NU_QUEUE *) node_ptr; |
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213 |
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214 /* Increment the pointers variable. */ |
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215 pointers++; |
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216 |
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217 /* Position the node pointer to the next node. */ |
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218 node_ptr = node_ptr -> cs_next; |
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219 |
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220 /* Determine if the pointer is at the head of the list. */ |
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221 if (node_ptr == QUD_Created_Queues_List) |
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222 |
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223 /* The list search is complete. */ |
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224 node_ptr = NU_NULL; |
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225 } |
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226 |
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227 /* Release protection against access to the list of created queues. */ |
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228 TCT_Unprotect(); |
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229 |
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230 /* Return to user mode */ |
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231 NU_USER_MODE(); |
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232 |
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233 /* Return the number of pointers in the list. */ |
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234 return(pointers); |
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235 } |
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236 |
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237 |
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238 /*************************************************************************/ |
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239 /* */ |
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240 /* FUNCTION */ |
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241 /* */ |
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242 /* QUF_Queue_Information */ |
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243 /* */ |
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244 /* DESCRIPTION */ |
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245 /* */ |
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246 /* This function returns information about the specified queue. */ |
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247 /* However, if the supplied queue pointer is invalid, the */ |
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248 /* function simply returns an error status. */ |
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249 /* */ |
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250 /* CALLED BY */ |
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251 /* */ |
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252 /* Application */ |
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253 /* */ |
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254 /* CALLS */ |
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255 /* */ |
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256 /* [TCT_Check_Stack] Stack checking function */ |
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257 /* TCT_System_Protect Protect queue */ |
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258 /* TCT_Unprotect Release protection */ |
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259 /* */ |
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260 /* INPUTS */ |
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261 /* */ |
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262 /* queue_ptr Pointer to the queue */ |
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263 /* name Destination for the name */ |
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264 /* start_address Destination for the start */ |
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265 /* address of the queue */ |
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266 /* queue_size Destination for queue size */ |
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267 /* available Destination for available */ |
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268 /* room in queue */ |
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269 /* messages Destination for number of */ |
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270 /* messages queued */ |
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271 /* message_type Destination for message type */ |
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272 /* message_size Destination for message size */ |
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273 /* suspend_type Destination for suspension */ |
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274 /* type */ |
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275 /* tasks_waiting Destination for the tasks */ |
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276 /* waiting count */ |
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277 /* first_task Destination for the pointer */ |
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278 /* to the first task waiting */ |
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279 /* */ |
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280 /* OUTPUTS */ |
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281 /* */ |
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282 /* NU_SUCCESS If a valid queue pointer */ |
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283 /* is supplied */ |
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284 /* NU_INVALID_QUEUE If queue pointer invalid */ |
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285 /* */ |
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286 /* HISTORY */ |
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287 /* */ |
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288 /* DATE REMARKS */ |
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289 /* */ |
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290 /* 03-01-1993 Created initial version 1.0 */ |
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291 /* 04-19-1993 Verified version 1.0 */ |
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292 /* 03-01-1994 Modified function interface, */ |
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293 /* changed protection logic, */ |
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294 /* resulting in version 1.1 */ |
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295 /* */ |
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296 /* 03-18-1994 Verified version 1.1 */ |
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297 /* 11-18-1996 Corrected SPR220. */ |
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298 /* */ |
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299 /*************************************************************************/ |
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300 STATUS QUF_Queue_Information(NU_QUEUE *queue_ptr, CHAR *name, |
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301 VOID **start_address, UNSIGNED *queue_size, |
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302 UNSIGNED *available, UNSIGNED *messages, |
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303 OPTION *message_type, UNSIGNED *message_size, |
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304 OPTION *suspend_type, UNSIGNED *tasks_waiting, |
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305 NU_TASK **first_task) |
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306 { |
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307 |
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308 QU_QCB *queue; /* Queue control block ptr */ |
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309 INT i; /* Working integer variable */ |
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310 STATUS completion; /* Completion status */ |
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311 NU_SUPERV_USER_VARIABLES |
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312 |
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313 /* Switch to supervisor mode */ |
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314 NU_SUPERVISOR_MODE(); |
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315 |
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316 /* Move input queue pointer into internal pointer. */ |
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317 queue = (QU_QCB *) queue_ptr; |
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318 |
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319 |
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320 #ifdef NU_ENABLE_STACK_CHECK |
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321 |
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322 /* Call stack checking function to check for an overflow condition. */ |
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323 TCT_Check_Stack(); |
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324 |
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325 #endif |
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326 |
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327 /* Determine if this queue id is valid. */ |
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328 if ((queue != NU_NULL) && (queue -> qu_id == QU_QUEUE_ID)) |
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329 { |
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330 |
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331 /* Setup protection of the queue. */ |
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332 TCT_System_Protect(); |
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333 |
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334 /* The queue pointer is valid. Reflect this in the completion |
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335 status and fill in the actual information. */ |
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336 completion = NU_SUCCESS; |
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337 |
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338 /* Copy the queue's name. */ |
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339 for (i = 0; i < NU_MAX_NAME; i++) |
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340 *name++ = queue -> qu_name[i]; |
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341 |
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342 /* Determine the suspension type. */ |
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343 if (queue -> qu_fifo_suspend) |
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344 *suspend_type = NU_FIFO; |
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345 else |
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346 *suspend_type = NU_PRIORITY; |
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347 |
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348 /* Determine the message type. */ |
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349 if (queue -> qu_fixed_size) |
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350 *message_type = NU_FIXED_SIZE; |
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351 else |
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352 *message_type = NU_VARIABLE_SIZE; |
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353 |
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354 /* Get various information about the queue. */ |
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355 *start_address = (UNSIGNED *) queue -> qu_start; |
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356 *queue_size = queue -> qu_queue_size; |
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357 *available = queue -> qu_available; |
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358 *messages = queue -> qu_messages; |
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359 *message_size = queue -> qu_message_size; |
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360 |
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361 /* Retrieve the number of tasks waiting and the pointer to the |
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362 first task waiting. */ |
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363 *tasks_waiting = queue -> qu_tasks_waiting; |
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364 if (queue -> qu_suspension_list) |
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365 |
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366 /* There is a task waiting. */ |
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367 *first_task = (NU_TASK *) |
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368 (queue -> qu_suspension_list) -> qu_suspended_task; |
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369 else |
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370 |
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371 /* There are no tasks waiting. */ |
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372 *first_task = NU_NULL; |
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373 |
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374 /* Release protection of the queue. */ |
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375 TCT_Unprotect(); |
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376 } |
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377 else |
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378 |
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379 /* Indicate that the queue pointer is invalid. */ |
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380 completion = NU_INVALID_QUEUE; |
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381 |
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382 /* Return to user mode */ |
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383 NU_USER_MODE(); |
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parents:
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changeset
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384 |
947b1f473960
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Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
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385 /* Return the appropriate completion status. */ |
947b1f473960
beginning of nuc-fw
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
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386 return(completion); |
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beginning of nuc-fw
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
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387 } |
947b1f473960
beginning of nuc-fw
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff
changeset
|
388 |
947b1f473960
beginning of nuc-fw
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff
changeset
|
389 |
947b1f473960
beginning of nuc-fw
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff
changeset
|
390 |
947b1f473960
beginning of nuc-fw
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff
changeset
|
391 |