1 | @c |
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2 | @c COPYRIGHT (c) 1996. |
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3 | @c On-Line Applications Research Corporation (OAR). |
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4 | @c All rights reserved. |
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5 | @c |
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6 | |
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7 | @ifinfo |
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8 | @node Key Manager, Key Manager Introduction, pthread_cond_timedwait, Top |
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9 | @end ifinfo |
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10 | @chapter Key Manager |
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11 | @ifinfo |
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12 | @menu |
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13 | * Key Manager Introduction:: |
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14 | * Key Manager Background:: |
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15 | * Key Manager Operations:: |
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16 | * Key Manager Directives:: |
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17 | @end menu |
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18 | @end ifinfo |
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19 | |
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20 | @ifinfo |
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21 | @node Key Manager Introduction, Key Manager Background, Key Manager, Key Manager |
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22 | @end ifinfo |
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23 | @section Introduction |
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24 | |
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25 | The key manager ... |
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26 | |
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27 | The directives provided by the key manager are: |
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28 | |
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29 | @itemize @bullet |
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30 | @item @code{pthread_key_create} - |
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31 | @item @code{pthread_key_delete} - |
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32 | @item @code{pthread_setspecific} - |
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33 | @item @code{pthread_getspecific} - |
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34 | @end itemize |
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35 | |
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36 | @ifinfo |
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37 | @node Key Manager Background, Key Manager Operations, Key Manager Introduction, Key Manager |
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38 | @end ifinfo |
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39 | @section Background |
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40 | |
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41 | @ifinfo |
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42 | @node Key Manager Operations, Key Manager Directives, Key Manager Background, Key Manager |
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43 | @end ifinfo |
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44 | @section Operations |
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45 | |
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46 | @ifinfo |
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47 | @node Key Manager Directives, pthread_key_create, Key Manager Operations, Key Manager |
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48 | @end ifinfo |
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49 | @section Directives |
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50 | @ifinfo |
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51 | @menu |
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52 | * pthread_key_create:: |
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53 | * pthread_key_delete:: |
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54 | * pthread_setspecific:: |
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55 | * pthread_getspecific:: |
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56 | @end menu |
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57 | @end ifinfo |
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58 | |
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59 | This section details the key manager's directives. |
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60 | A subsection is dedicated to each of this manager's directives |
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61 | and describes the calling sequence, related constants, usage, |
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62 | and status codes. |
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63 | |
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64 | @page |
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65 | @ifinfo |
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66 | @node pthread_key_create, pthread_key_delete, Key Manager Directives, Key Manager Directives |
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67 | @end ifinfo |
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68 | @subsection pthread_key_create |
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69 | |
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70 | @subheading CALLING SEQUENCE: |
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71 | |
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72 | @example |
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73 | #include <pthread.h> |
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74 | |
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75 | int pthread_key_create( |
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76 | pthread_key_t *key, |
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77 | void (*destructor)( void * ) |
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78 | ); |
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79 | @end example |
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80 | |
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81 | @subheading STATUS CODES: |
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82 | |
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83 | @table @b |
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84 | @item EAGAIN |
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85 | There were not enough resources available to create another key. |
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86 | |
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87 | @item ENOMEM |
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88 | Insufficient memory exists to create the key. |
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89 | |
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90 | @end table |
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91 | |
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92 | @page |
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93 | @ifinfo |
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94 | @node pthread_key_delete, pthread_setspecific, pthread_key_create, Key Manager Directives |
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95 | @end ifinfo |
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96 | @subsection pthread_key_delete |
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97 | |
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98 | @subheading CALLING SEQUENCE: |
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99 | |
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100 | @example |
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101 | #include <pthread.h> |
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102 | |
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103 | int pthread_key_delete( |
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104 | pthread_key_t key, |
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105 | ); |
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106 | @end example |
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107 | |
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108 | @subheading STATUS CODES: |
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109 | |
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110 | @table @b |
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111 | @item EINVAL |
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112 | The key was invalid |
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113 | |
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114 | @end table |
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115 | |
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116 | @subheading DESCRIPTION: |
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117 | |
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118 | @subheading NOTES: |
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119 | |
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120 | @page |
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121 | @ifinfo |
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122 | @node pthread_setspecific, pthread_getspecific, pthread_key_delete, Key Manager Directives |
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123 | @end ifinfo |
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124 | @subsection pthread_setspecific |
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125 | |
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126 | @subheading CALLING SEQUENCE: |
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127 | |
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128 | @example |
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129 | #include <pthread.h> |
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130 | |
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131 | int pthread_setspecific( |
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132 | pthread_key_t key, |
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133 | const void *value |
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134 | ); |
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135 | @end example |
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136 | |
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137 | @subheading STATUS CODES: |
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138 | @table @b |
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139 | @item EINVAL |
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140 | The specified key is invalid. |
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141 | |
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142 | @end table |
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143 | |
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144 | @subheading DESCRIPTION: |
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145 | |
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146 | @subheading NOTES: |
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147 | |
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148 | @page |
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149 | @ifinfo |
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150 | @node pthread_getspecific, Clock Manager, pthread_setspecific, Key Manager Directives |
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151 | @end ifinfo |
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152 | @subsection pthread_getspecific |
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153 | |
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154 | @subheading CALLING SEQUENCE: |
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155 | |
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156 | @example |
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157 | #include <pthread.h> |
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158 | |
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159 | void *pthread_getspecific( |
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160 | pthread_key_t key |
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161 | ); |
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162 | @end example |
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163 | |
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164 | @subheading STATUS CODES: |
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165 | @table @b |
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166 | @item NULL |
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167 | There is no thread-specific data associated with the specified key. |
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168 | |
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169 | @item non-NULL |
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170 | The data associated with the specified key. |
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171 | |
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172 | @end table |
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173 | |
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174 | @subheading DESCRIPTION: |
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175 | |
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176 | @subheading NOTES: |
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177 | |
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