FreeCalypso > hg > freecalypso-sw
annotate gsm-fw/nucleus/ioce.c @ 210:1d87b335fc50
gsm-fw/services/ffs: cfgffs.c integrated
author | Michael Spacefalcon <msokolov@ivan.Harhan.ORG> |
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date | Thu, 26 Dec 2013 04:37:10 +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 /* ioce.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 /* IO - Input/Output Driver 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 the error checking routines for the functions */ |
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25 /* in the Input/Output Driver component. This permits easy removal */ |
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26 /* of error checking logic when it is not needed. */ |
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27 /* */ |
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28 /* DATA STRUCTURES */ |
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29 /* */ |
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30 /* None */ |
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31 /* */ |
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32 /* FUNCTIONS */ |
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33 /* */ |
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34 /* IOCE_Create_Driver Create an I/O driver */ |
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35 /* IOCE_Delete_Driver Delete an I/O driver */ |
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36 /* IOCE_Request_Driver Make an I/O driver request */ |
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37 /* IOCE_Resume_Driver Resume a task suspended in */ |
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38 /* an I/O driver */ |
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39 /* IOCE_Suspend_Driver Suspend a task inside an I/O */ |
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40 /* driver */ |
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41 /* */ |
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42 /* DEPENDENCIES */ |
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43 /* */ |
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44 /* cs_extr.h Common Service functions */ |
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45 /* tc_extr.h Thread Control functions */ |
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46 /* io_extr.h I/O driver functions */ |
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47 /* hi_extr.h History functions */ |
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48 /* */ |
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49 /* HISTORY */ |
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50 /* */ |
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51 /* DATE REMARKS */ |
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52 /* */ |
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53 /* 03-01-1993 Created initial version 1.0 */ |
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54 /* 04-19-1993 Verified version 1.0 */ |
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55 /* 03-01-1994 Modified logic that checked task */ |
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56 /* status without protection of */ |
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57 /* scheduling structures, */ |
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58 /* resulting in version 1.0a */ |
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59 /* 03-01-1994 Verified version 1.0a */ |
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60 /* 03-01-1994 Changed name original error */ |
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61 /* checking file and changed */ |
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62 /* function interfaces, resulting */ |
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63 /* in version 1.1 */ |
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64 /* */ |
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65 /* 03-18-1994 Verified version 1.1 */ |
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66 /* 04-17-1996 updated to version 1.2 */ |
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67 /* 03-24-1998 Released version 1.3 */ |
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68 /* 04-17-2002 Released version 1.13m */ |
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69 /* 11-07-2002 Released version 1.14 */ |
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70 /*************************************************************************/ |
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71 #define NU_SOURCE_FILE |
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72 |
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73 |
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74 #include "cs_extr.h" /* Common service functions */ |
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75 #include "tc_extr.h" /* Thread control functions */ |
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76 #include "io_extr.h" /* I/O driver functions */ |
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77 #include "hi_extr.h" /* History functions */ |
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78 |
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79 |
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80 /*************************************************************************/ |
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81 /* */ |
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82 /* FUNCTION */ |
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83 /* */ |
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84 /* IOCE_Create_Driver */ |
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85 /* */ |
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86 /* DESCRIPTION */ |
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87 /* */ |
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88 /* This function performs error checking on the parameters supplied */ |
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89 /* to the I/O driver create function. */ |
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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 /* IOC_Create_Driver Actual create driver routine */ |
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98 /* */ |
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99 /* INPUTS */ |
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100 /* */ |
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101 /* driver Driver control block pointer */ |
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102 /* name Driver's logical name */ |
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103 /* driver_entry Driver's point of entry */ |
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104 /* */ |
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105 /* OUTPUTS */ |
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106 /* */ |
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107 /* NU_INVALID_DRIVER Indicates driver pointer is */ |
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108 /* NULL or is already in use */ |
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109 /* NU_INVALID_POINTER Indicates the driver's entry */ |
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110 /* pointer is NULL */ |
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111 /* */ |
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112 /* HISTORY */ |
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113 /* */ |
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114 /* DATE REMARKS */ |
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115 /* */ |
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116 /* 03-01-1993 Created initial version 1.0 */ |
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117 /* 04-19-1993 Verified version 1.0 */ |
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118 /* 03-01-1994 Changed function interface, */ |
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119 /* resulting in version 1.1 */ |
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120 /* */ |
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121 /* 03-18-1994 Verified version 1.1 */ |
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122 /* */ |
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123 /*************************************************************************/ |
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124 STATUS IOCE_Create_Driver(NU_DRIVER *driver, CHAR *name, |
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125 VOID (*driver_entry)(NU_DRIVER *, NU_DRIVER_REQUEST *)) |
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126 { |
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127 |
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128 STATUS status; /* Completion status */ |
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129 |
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130 |
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131 /* Check for an invalid driver pointer. */ |
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132 if ((driver == NU_NULL) || (driver -> nu_driver_id == IO_DRIVER_ID)) |
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133 |
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134 /* Indicate that the driver pointer is invalid. */ |
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135 status = NU_INVALID_DRIVER; |
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136 |
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137 else if (driver_entry == NU_NULL) |
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138 |
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139 /* Indicate that the driver entry point is invalid. */ |
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140 status = NU_INVALID_POINTER; |
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141 |
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142 else |
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143 |
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144 /* Parameters are okay, call actual function to create an I/O |
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145 driver. */ |
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146 status = IOC_Create_Driver(driver, name, driver_entry); |
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147 |
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148 /* Return completion status. */ |
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149 return(status); |
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150 } |
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151 |
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152 |
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153 /*************************************************************************/ |
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154 /* */ |
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155 /* FUNCTION */ |
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156 /* */ |
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157 /* IOCE_Delete_Driver */ |
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158 /* */ |
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159 /* DESCRIPTION */ |
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160 /* */ |
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161 /* This function performs error checking on the parameters supplied */ |
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162 /* to the I/O driver delete function. */ |
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163 /* */ |
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164 /* CALLED BY */ |
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165 /* */ |
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166 /* Application */ |
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167 /* */ |
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168 /* CALLS */ |
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169 /* */ |
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170 /* IOC_Delete_Driver Actual delete driver routine */ |
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171 /* */ |
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172 /* INPUTS */ |
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173 /* */ |
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174 /* driver Driver control block pointer */ |
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175 /* */ |
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176 /* OUTPUTS */ |
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177 /* */ |
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178 /* NU_INVALID_DRIVER Indicates the driver pointer */ |
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179 /* is invalid */ |
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180 /* */ |
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181 /* HISTORY */ |
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182 /* */ |
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183 /* DATE REMARKS */ |
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184 /* */ |
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185 /* 03-01-1993 Created initial version 1.0 */ |
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186 /* 04-19-1993 Verified version 1.0 */ |
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187 /* 03-01-1994 Changed function interface, */ |
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188 /* resulting in version 1.1 */ |
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189 /* */ |
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190 /* 03-18-1994 Verified version 1.1 */ |
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191 /* */ |
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192 /*************************************************************************/ |
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193 STATUS IOCE_Delete_Driver(NU_DRIVER *driver) |
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194 { |
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195 |
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196 STATUS status; /* Completion status */ |
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197 |
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198 /* Determine if the driver pointer is valid. */ |
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199 if ((driver) && (driver -> nu_driver_id == IO_DRIVER_ID)) |
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200 |
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201 /* Driver pointer is valid, call function to delete it. */ |
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202 status = IOC_Delete_Driver(driver); |
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203 |
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204 else |
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205 |
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206 /* Driver pointer is invalid, indicate in completion status. */ |
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207 status = NU_INVALID_DRIVER; |
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208 |
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209 /* Return completion status. */ |
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210 return(status); |
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211 } |
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212 |
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213 |
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214 /*************************************************************************/ |
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215 /* */ |
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216 /* FUNCTION */ |
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217 /* */ |
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218 /* IOCE_Request_Driver */ |
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219 /* */ |
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220 /* DESCRIPTION */ |
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221 /* */ |
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222 /* This function performs error checking on the parameters supplied */ |
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223 /* to the I/O driver request function. */ |
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224 /* */ |
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225 /* CALLED BY */ |
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226 /* */ |
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227 /* Application */ |
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228 /* */ |
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229 /* CALLS */ |
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230 /* */ |
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231 /* IOC_Request_Driver Actual request driver routine*/ |
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232 /* */ |
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233 /* INPUTS */ |
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234 /* */ |
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235 /* driver Driver control block pointer */ |
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236 /* request User's I/O request */ |
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237 /* */ |
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238 /* OUTPUTS */ |
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239 /* */ |
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240 /* NU_INVALID_DRIVER Indicates the driver pointer */ |
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241 /* is invalid */ |
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242 /* NU_INVALID_POINTER Indicates the request pointer*/ |
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243 /* is invalid */ |
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244 /* */ |
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245 /* HISTORY */ |
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246 /* */ |
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247 /* DATE REMARKS */ |
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248 /* */ |
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249 /* 03-01-1993 Created initial version 1.0 */ |
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250 /* 04-19-1993 Verified version 1.0 */ |
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251 /* 03-01-1994 Changed function interface, */ |
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252 /* resulting in version 1.1 */ |
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253 /* */ |
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254 /* 03-18-1994 Verified version 1.1 */ |
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255 /* */ |
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256 /*************************************************************************/ |
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257 STATUS IOCE_Request_Driver(NU_DRIVER *driver , NU_DRIVER_REQUEST *request) |
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258 { |
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259 |
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260 STATUS status; /* Completion status */ |
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261 |
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262 |
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263 /* Determine if driver pointer is invalid. */ |
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264 if (driver == NU_NULL) |
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265 |
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266 /* Driver pointer is invalid, indicate in completion status. */ |
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267 status = NU_INVALID_DRIVER; |
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268 |
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269 else if (driver -> nu_driver_id != IO_DRIVER_ID) |
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270 |
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271 /* Driver pointer is invalid, indicate in completion status. */ |
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272 status = NU_INVALID_DRIVER; |
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273 |
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274 else if (request == NU_NULL) |
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275 |
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276 /* Request pointer is invalid, indicate in completion status. */ |
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277 status = NU_INVALID_POINTER; |
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278 |
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279 else |
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280 |
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281 /* Parameters are valid, call actual function. */ |
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282 status = IOC_Request_Driver(driver, request); |
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283 |
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284 /* Return the completion status. */ |
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285 return(status); |
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286 } |
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287 |
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288 |
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289 /*************************************************************************/ |
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290 /* */ |
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291 /* FUNCTION */ |
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292 /* */ |
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293 /* IOCE_Resume_Driver */ |
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294 /* */ |
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295 /* DESCRIPTION */ |
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296 /* */ |
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297 /* This function performs error checking on the parameters supplied */ |
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298 /* to the I/O driver resume function. */ |
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299 /* */ |
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300 /* CALLED BY */ |
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301 /* */ |
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302 /* Application */ |
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303 /* */ |
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304 /* CALLS */ |
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305 /* */ |
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306 /* TCCE_Validate_Resume Validate resume driver */ |
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307 /* request against actual */ |
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308 /* status */ |
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309 /* IOC_Resume_Driver Actual resume driver routine */ |
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310 /* */ |
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311 /* INPUTS */ |
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312 /* */ |
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313 /* task Pointer of task to resume */ |
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314 /* */ |
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315 /* OUTPUTS */ |
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316 /* */ |
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317 /* NU_INVALID_TASK Indicates the task pointer */ |
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318 /* is invalid */ |
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319 /* NU_INVALID_RESUME Indicates the task is not */ |
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320 /* suspended */ |
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321 /* */ |
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322 /* HISTORY */ |
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323 /* */ |
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324 /* DATE REMARKS */ |
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325 /* */ |
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326 /* 03-01-1993 Created initial version 1.0 */ |
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327 /* 04-19-1993 Verified version 1.0 */ |
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328 /* 03-01-1994 Modified logic that checked task */ |
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329 /* status without protection of */ |
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330 /* scheduling structures, */ |
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331 /* resulting in version 1.0a */ |
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332 /* 03-01-1994 Verified version 1.0a */ |
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333 /* 03-01-1994 Changed function interface, */ |
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334 /* resulting in version 1.1 */ |
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335 /* */ |
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336 /* 03-18-1994 Verified version 1.1 */ |
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337 /* */ |
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338 /*************************************************************************/ |
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339 STATUS IOCE_Resume_Driver(NU_TASK *task) |
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340 { |
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341 |
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342 STATUS status; /* Completion status */ |
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343 |
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344 |
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345 /* Determine if the task pointer is valid. */ |
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346 if ((task == NU_NULL) || (((TC_TCB *) task) -> tc_id != TC_TASK_ID)) |
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347 |
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348 /* Task pointer is invalid. */ |
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349 status = NU_INVALID_TASK; |
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350 |
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351 /* Check actual status of task to see if request is valid. */ |
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352 else if (TCCE_Validate_Resume(NU_DRIVER_SUSPEND, task)) |
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353 |
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354 /* Task is not suspended in a driver, return error status. */ |
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355 status = NU_INVALID_RESUME; |
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356 |
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357 else |
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358 |
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359 /* Call the actual resume service. */ |
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360 status = IOC_Resume_Driver(task); |
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361 |
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362 /* Return the completion status. */ |
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363 return(status); |
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364 } |
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365 |
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366 |
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367 |
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368 /*************************************************************************/ |
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369 /* */ |
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370 /* FUNCTION */ |
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371 /* */ |
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372 /* IOCE_Suspend_Driver */ |
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373 /* */ |
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374 /* DESCRIPTION */ |
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375 /* */ |
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376 /* This function performs error checking on the parameters supplied */ |
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377 /* to the I/O driver suspend function. */ |
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378 /* */ |
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379 /* CALLED BY */ |
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380 /* */ |
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381 /* Application */ |
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382 /* */ |
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383 /* CALLS */ |
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384 /* */ |
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385 /* IOC_Suspend_Driver Actual driver suspend routine*/ |
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386 /* TCCE_Suspend_Error Check for a legal suspension */ |
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387 /* */ |
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388 /* INPUTS */ |
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389 /* */ |
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390 /* terminate_routine Termination/Timeout cleanup */ |
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391 /* routine */ |
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392 /* information Information pointer of the */ |
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393 /* cleanup routine */ |
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394 /* timeout Suspension timeout request */ |
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395 /* */ |
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396 /* OUTPUTS */ |
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397 /* */ |
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398 /* NU_INVALID_SUSPEND Indicates suspension is not */ |
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399 /* legal */ |
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400 /* */ |
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401 /* HISTORY */ |
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402 /* */ |
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403 /* DATE REMARKS */ |
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404 /* */ |
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405 /* 03-01-1993 Created initial version 1.0 */ |
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406 /* 04-19-1993 Verified version 1.0 */ |
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407 /* 03-01-1994 Changed function interface, */ |
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408 /* resulting in version 1.1 */ |
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409 /* */ |
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410 /* 03-18-1994 Verified version 1.1 */ |
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411 /* */ |
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412 /*************************************************************************/ |
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413 STATUS IOCE_Suspend_Driver(VOID (*terminate_routine)(VOID *), |
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414 VOID *information, UNSIGNED timeout) |
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415 { |
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416 |
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417 STATUS status; /* Completion status */ |
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418 |
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419 |
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420 /* Determine if there is a suspension error. */ |
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421 if (TCCE_Suspend_Error()) |
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422 |
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423 /* Suspension error, not called from a legal thread. */ |
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424 status = NU_INVALID_SUSPEND; |
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425 |
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426 else |
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427 |
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428 /* Call the actual suspend service. */ |
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429 status = IOC_Suspend_Driver(terminate_routine, information, timeout); |
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430 |
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431 /* Return the completion status. */ |
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432 return(status); |
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433 } |
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434 |
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435 |
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436 |
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437 |
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438 |
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439 |
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440 |