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 getpid( void ) |
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26 | { |
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27 | return _Objects_Local_node; |
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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 | * 4.1.1 Get Process and Parent Process IDs, P1003.1b-1993, p. 83 |
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33 | */ |
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34 | |
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35 | pid_t getppid( void ) |
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36 | { |
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37 | return _POSIX_types_Ppid; |
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38 | } |
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39 | |
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40 | /*PAGE |
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41 | * |
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42 | * 4.2.1 Get Real User, Effective User, Ral Group, and Effective Group IDs, |
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43 | * P1003.1b-1993, p. 84 |
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44 | */ |
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45 | |
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46 | uid_t getuid( void ) |
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47 | { |
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48 | return _POSIX_types_Uid; |
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49 | } |
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50 | |
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51 | /*PAGE |
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52 | * |
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53 | * 4.2.1 Get Real User, Effective User, Ral Group, and Effective Group IDs, |
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54 | * P1003.1b-1993, p. 84 |
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55 | */ |
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56 | |
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57 | uid_t geteuid( void ) |
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58 | { |
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59 | return _POSIX_types_Euid; |
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60 | } |
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61 | |
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62 | /*PAGE |
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63 | * |
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64 | * 4.2.1 Get Real User, Effective User, Ral Group, and Effective Group IDs, |
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65 | * P1003.1b-1993, p. 84 |
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66 | */ |
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67 | |
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68 | gid_t getgid( void ) |
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69 | { |
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70 | return _POSIX_types_Gid; |
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71 | } |
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72 | |
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73 | /*PAGE |
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74 | * |
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75 | * 4.2.1 Get Real User, Effective User, Ral Group, and Effective Group IDs, |
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76 | * P1003.1b-1993, p. 84 |
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77 | */ |
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78 | |
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79 | gid_t getegid( void ) |
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80 | { |
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81 | return _POSIX_types_Egid; |
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82 | } |
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83 | |
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84 | /*PAGE |
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85 | * |
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86 | * 4.2.2 Set User and Group IDs, P1003.1b-1993, p. 84 |
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87 | */ |
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88 | |
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89 | int setuid( |
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90 | uid_t uid |
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91 | ) |
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92 | { |
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93 | _POSIX_types_Uid = uid; |
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94 | return 0; |
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95 | } |
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96 | |
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97 | /*PAGE |
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98 | * |
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99 | * 4.2.2 Set User and Group IDs, P1003.1b-1993, p. 84 |
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100 | */ |
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101 | |
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102 | int setgid( |
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103 | gid_t gid |
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104 | ) |
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105 | { |
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106 | _POSIX_types_Gid = gid; |
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107 | return 0; |
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108 | } |
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109 | |
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110 | /*PAGE |
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111 | * |
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112 | * 4.2.3 Get Supplementary IDs, P1003.1b-1993, p. 86 |
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113 | */ |
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114 | |
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115 | int getgroups( |
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116 | int gidsetsize, |
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117 | gid_t grouplist[] |
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118 | ) |
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119 | { |
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120 | return 0; /* no supplemental group ids */ |
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121 | } |
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122 | |
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123 | /*PAGE |
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124 | * |
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125 | * 4.2.4 Get User Name, P1003.1b-1993, p. 87 |
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126 | * |
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127 | * NOTE: P1003.1c/D10, p. 49 adds getlogin_r(). |
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128 | */ |
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129 | |
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130 | static char _POSIX_types_Getlogin_buffer[ LOGIN_NAME_MAX ]; |
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131 | |
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132 | char *getlogin( void ) |
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133 | { |
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134 | (void) getlogin_r( _POSIX_types_Getlogin_buffer, LOGIN_NAME_MAX ); |
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135 | return _POSIX_types_Getlogin_buffer; |
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136 | } |
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137 | |
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138 | /*PAGE |
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139 | * |
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140 | * 4.2.4 Get User Name, P1003.1b-1993, p. 87 |
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141 | * |
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142 | * NOTE: P1003.1c/D10, p. 49 adds getlogin_r(). |
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143 | */ |
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144 | |
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145 | int getlogin_r( |
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146 | char *name, |
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147 | size_t namesize |
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148 | ) |
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149 | { |
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150 | if ( namesize < LOGIN_NAME_MAX ) |
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151 | return ERANGE; |
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152 | |
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153 | strcpy( name, "posixapp" ); |
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154 | return 0; |
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155 | } |
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156 | |
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157 | /*PAGE |
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158 | * |
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159 | * 4.3.1 Get Process Group IDs, P1003.1b-1993, p. 89 |
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160 | */ |
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161 | |
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162 | pid_t getpgrp( void ) |
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163 | { |
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164 | /* |
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165 | * This always succeeds and returns the process group id. For rtems, |
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166 | * this will always be the local node; |
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167 | */ |
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168 | |
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169 | return _Objects_Local_node; |
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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 | * 4.3.2 Create Session and Set Process Group ID, P1003.1b-1993, p. 88 |
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175 | */ |
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176 | |
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177 | pid_t setsid( void ) |
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178 | { |
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179 | set_errno_and_return_minus_one( ENOSYS ); |
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180 | } |
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181 | |
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182 | /*PAGE |
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183 | * |
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184 | * 4.3.3 Set Process Group ID for Job Control, P1003.1b-1993, p. 89 |
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185 | */ |
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186 | |
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187 | int setpgid( |
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188 | pid_t pid, |
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189 | pid_t pgid |
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190 | ) |
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191 | { |
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192 | set_errno_and_return_minus_one( ENOSYS ); |
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193 | } |
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194 | |
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195 | /* |
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196 | * TEMPORARY |
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197 | */ |
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198 | |
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199 | #include <assert.h> |
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200 | |
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201 | int POSIX_MP_NOT_IMPLEMENTED() |
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202 | { |
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203 | assert( 0 ); |
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204 | return 0; |
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205 | } |
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206 | |
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207 | int POSIX_BOTTOM_REACHED() |
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208 | { |
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209 | assert( 0 ); |
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210 | return 0; |
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211 | } |
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212 | |
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213 | int POSIX_NOT_IMPLEMENTED() |
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214 | { |
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215 | assert( 0 ); |
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216 | return 0; |
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217 | } |
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218 | |
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219 | /* |
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220 | * END OF TEMPORARY |
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221 | */ |
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222 | |
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