1 | /* |
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2 | * $Id$ |
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3 | */ |
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4 | |
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5 | #include <limits.h> |
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6 | #include <errno.h> |
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7 | #include <string.h> |
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8 | #include <sys/types.h> |
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9 | |
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10 | #include <rtems/system.h> |
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11 | #include <rtems/score/object.h> |
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12 | #include <rtems/posix/seterr.h> |
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13 | |
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14 | pid_t _POSIX_types_Ppid = 0; |
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15 | uid_t _POSIX_types_Uid = 0; |
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16 | uid_t _POSIX_types_Euid = 0; |
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17 | gid_t _POSIX_types_Gid = 0; |
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18 | gid_t _POSIX_types_Egid = 0; |
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19 | |
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20 | /*PAGE |
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21 | * |
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22 | * 4.1.1 Get Process and Parent Process IDs, P1003.1b-1993, p. 83 |
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23 | */ |
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24 | |
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25 | pid_t getppid( void ) |
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26 | { |
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27 | return _POSIX_types_Ppid; |
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28 | } |
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29 | |
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30 | /*PAGE |
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31 | * |
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32 | * 4.2.1 Get Real User, Effective User, Ral Group, and Effective Group IDs, |
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33 | * P1003.1b-1993, p. 84 |
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34 | */ |
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35 | |
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36 | uid_t getuid( void ) |
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37 | { |
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38 | return _POSIX_types_Uid; |
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39 | } |
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40 | |
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41 | /*PAGE |
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42 | * |
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43 | * 4.2.1 Get Real User, Effective User, Ral Group, and Effective Group IDs, |
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44 | * P1003.1b-1993, p. 84 |
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45 | */ |
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46 | |
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47 | uid_t geteuid( void ) |
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48 | { |
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49 | return _POSIX_types_Euid; |
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50 | } |
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51 | |
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52 | /*PAGE |
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53 | * |
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54 | * 4.2.1 Get Real User, Effective User, Ral Group, and Effective Group IDs, |
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55 | * P1003.1b-1993, p. 84 |
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56 | */ |
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57 | |
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58 | gid_t getgid( void ) |
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59 | { |
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60 | return _POSIX_types_Gid; |
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61 | } |
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62 | |
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63 | /*PAGE |
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64 | * |
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65 | * 4.2.1 Get Real User, Effective User, Ral Group, and Effective Group IDs, |
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66 | * P1003.1b-1993, p. 84 |
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67 | */ |
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68 | |
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69 | gid_t getegid( void ) |
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70 | { |
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71 | return _POSIX_types_Egid; |
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72 | } |
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73 | |
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74 | /*PAGE |
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75 | * |
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76 | * 4.2.2 Set User and Group IDs, P1003.1b-1993, p. 84 |
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77 | */ |
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78 | |
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79 | int setuid( |
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80 | uid_t uid |
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81 | ) |
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82 | { |
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83 | _POSIX_types_Uid = uid; |
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84 | return 0; |
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85 | } |
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86 | |
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87 | /*PAGE |
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88 | * |
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89 | * 4.2.2 Set User and Group IDs, P1003.1b-1993, p. 84 |
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90 | */ |
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91 | |
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92 | int setgid( |
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93 | gid_t gid |
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94 | ) |
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95 | { |
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96 | _POSIX_types_Gid = gid; |
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97 | return 0; |
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98 | } |
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99 | |
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100 | /*PAGE |
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101 | * |
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102 | * 4.2.3 Get Supplementary IDs, P1003.1b-1993, p. 86 |
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103 | */ |
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104 | |
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105 | int getgroups( |
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106 | int gidsetsize, |
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107 | gid_t grouplist[] |
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108 | ) |
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109 | { |
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110 | return 0; /* no supplemental group ids */ |
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111 | } |
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112 | |
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113 | /*PAGE |
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114 | * |
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115 | * 4.2.4 Get User Name, P1003.1b-1993, p. 87 |
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116 | * |
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117 | * NOTE: P1003.1c/D10, p. 49 adds getlogin_r(). |
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118 | */ |
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119 | |
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120 | static char _POSIX_types_Getlogin_buffer[ LOGIN_NAME_MAX ]; |
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121 | |
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122 | char *getlogin( void ) |
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123 | { |
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124 | (void) getlogin_r( _POSIX_types_Getlogin_buffer, LOGIN_NAME_MAX ); |
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125 | return _POSIX_types_Getlogin_buffer; |
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126 | } |
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127 | |
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128 | /*PAGE |
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129 | * |
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130 | * 4.2.4 Get User Name, P1003.1b-1993, p. 87 |
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131 | * |
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132 | * NOTE: P1003.1c/D10, p. 49 adds getlogin_r(). |
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133 | */ |
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134 | |
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135 | int getlogin_r( |
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136 | char *name, |
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137 | size_t namesize |
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138 | ) |
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139 | { |
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140 | if ( namesize < LOGIN_NAME_MAX ) |
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141 | return ERANGE; |
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142 | |
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143 | strcpy( name, "posixapp" ); |
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144 | return 0; |
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145 | } |
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146 | |
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147 | /*PAGE |
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148 | * |
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149 | * 4.3.1 Get Process Group IDs, P1003.1b-1993, p. 89 |
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150 | */ |
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151 | |
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152 | pid_t getpgrp( void ) |
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153 | { |
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154 | /* |
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155 | * This always succeeds and returns the process group id. For rtems, |
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156 | * this will always be the local node; |
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157 | */ |
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158 | |
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159 | return _Objects_Local_node; |
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160 | } |
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161 | |
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162 | /*PAGE |
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163 | * |
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164 | * 4.3.2 Create Session and Set Process Group ID, P1003.1b-1993, p. 88 |
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165 | */ |
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166 | |
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167 | pid_t setsid( void ) |
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168 | { |
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169 | set_errno_and_return_minus_one( ENOSYS ); |
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170 | } |
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171 | |
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172 | /*PAGE |
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173 | * |
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174 | * 4.3.3 Set Process Group ID for Job Control, P1003.1b-1993, p. 89 |
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175 | */ |
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176 | |
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177 | int setpgid( |
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178 | pid_t pid, |
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179 | pid_t pgid |
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180 | ) |
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181 | { |
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182 | set_errno_and_return_minus_one( ENOSYS ); |
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183 | } |
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184 | |
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185 | /* |
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186 | * TEMPORARY |
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187 | */ |
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188 | |
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189 | #include <assert.h> |
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190 | |
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191 | int POSIX_MP_NOT_IMPLEMENTED() |
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192 | { |
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193 | assert( 0 ); |
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194 | return 0; |
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195 | } |
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196 | |
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197 | int POSIX_BOTTOM_REACHED() |
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198 | { |
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199 | assert( 0 ); |
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200 | return 0; |
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201 | } |
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202 | |
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203 | int POSIX_NOT_IMPLEMENTED() |
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204 | { |
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205 | assert( 0 ); |
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206 | return 0; |
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207 | } |
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208 | |
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209 | /* |
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210 | * END OF TEMPORARY |
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211 | */ |
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212 | |
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