1 | /* pthread.h |
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2 | * |
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3 | * $Id$ |
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4 | */ |
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5 | |
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6 | #ifndef __PTHREAD_h |
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7 | #define __PTHREAD_h |
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8 | |
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9 | #include <sys/features.h> |
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10 | |
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11 | #if defined(_POSIX_THREADS) |
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12 | |
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13 | #include <sys/types.h> |
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14 | #include <time.h> |
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15 | #include <sys/sched.h> |
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16 | |
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17 | /* |
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18 | * 3.1.3 Register Fork Handlers, P1003.1c/Draft 10, P1003.1c/Draft 10, p. 27 |
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19 | */ |
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20 | |
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21 | int pthread_atfork( |
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22 | void (*prepare)(void), |
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23 | void (*parent)(void), |
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24 | void (*child)(void) |
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25 | ); |
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26 | |
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27 | /* |
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28 | * 11.3.1 Mutex Initialization Attributes, P1003.1c/Draft 10, p. 81 |
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29 | */ |
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30 | |
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31 | int pthread_mutexattr_init( |
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32 | pthread_mutexattr_t *attr |
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33 | ); |
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34 | |
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35 | int pthread_mutexattr_destroy( |
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36 | pthread_mutexattr_t *attr |
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37 | ); |
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38 | |
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39 | int pthread_mutexattr_getpshared( |
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40 | const pthread_mutexattr_t *attr, |
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41 | int *pshared |
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42 | ); |
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43 | |
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44 | int pthread_mutexattr_setpshared( |
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45 | pthread_mutexattr_t *attr, |
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46 | int pshared |
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47 | ); |
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48 | |
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49 | /* |
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50 | * 11.3.2 Initializing and Destroying a Mutex, P1003.1c/Draft 10, p. 87 |
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51 | */ |
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52 | |
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53 | int pthread_mutex_init( |
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54 | pthread_mutex_t *mutex, |
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55 | const pthread_mutexattr_t *attr |
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56 | ); |
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57 | |
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58 | int pthread_mutex_destroy( |
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59 | pthread_mutex_t *mutex |
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60 | ); |
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61 | |
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62 | /* |
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63 | * This is used to statically initialize a pthread_mutex_t. Example: |
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64 | * |
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65 | * pthread_mutex_t mutex = PTHREAD_MUTEX_INITIALIZER; |
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66 | */ |
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67 | |
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68 | #define PTHREAD_MUTEX_INITIALIZER ((pthread_mutex_t) 0xFFFFFFFF) |
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69 | |
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70 | /* |
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71 | * 11.3.3 Locking and Unlocking a Mutex, P1003.1c/Draft 10, p. 93 |
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72 | * |
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73 | * NOTE: P1003.4b/D8 adds pthread_mutex_timedlock(), p. 29 |
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74 | */ |
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75 | |
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76 | int pthread_mutex_lock( |
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77 | pthread_mutex_t *mutex |
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78 | ); |
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79 | |
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80 | int pthread_mutex_trylock( |
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81 | pthread_mutex_t *mutex |
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82 | ); |
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83 | |
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84 | int pthread_mutex_unlock( |
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85 | pthread_mutex_t *mutex |
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86 | ); |
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87 | |
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88 | #if defined(_POSIX_TIMEOUTS) |
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89 | |
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90 | int pthread_mutex_timedlock( |
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91 | pthread_mutex_t *mutex, |
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92 | const struct timespec *timeout |
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93 | ); |
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94 | |
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95 | #endif /* _POSIX_TIMEOUTS */ |
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96 | |
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97 | /* |
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98 | * 11.4.1 Condition Variable Initialization Attributes, |
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99 | * P1003.1c/Draft 10, p. 96 |
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100 | */ |
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101 | |
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102 | int pthread_condattr_init( |
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103 | pthread_condattr_t *attr |
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104 | ); |
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105 | |
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106 | int pthread_condattr_destroy( |
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107 | pthread_condattr_t *attr |
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108 | ); |
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109 | |
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110 | int pthread_condattr_getpshared( |
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111 | const pthread_condattr_t *attr, |
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112 | int *pshared |
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113 | ); |
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114 | |
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115 | int pthread_condattr_setpshared( |
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116 | pthread_condattr_t *attr, |
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117 | int pshared |
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118 | ); |
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119 | |
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120 | /* |
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121 | * 11.4.2 Initializing and Destroying a Condition Variable, |
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122 | * P1003.1c/Draft 10, p. 87 |
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123 | */ |
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124 | |
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125 | int pthread_cond_init( |
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126 | pthread_cond_t *cond, |
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127 | const pthread_condattr_t *attr |
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128 | ); |
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129 | |
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130 | int pthread_cond_destroy( |
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131 | pthread_cond_t *mutex |
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132 | ); |
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133 | |
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134 | /* |
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135 | * This is used to statically initialize a pthread_cond_t. Example: |
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136 | * |
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137 | * pthread_cond_t cond = PTHREAD_COND_INITIALIZER; |
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138 | */ |
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139 | |
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140 | #define PTHREAD_COND_INITIALIZER ((pthread_mutex_t) 0xFFFFFFFF) |
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141 | |
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142 | /* |
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143 | * 11.4.3 Broadcasting and Signaling a Condition, P1003.1c/Draft 10, p. 101 |
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144 | */ |
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145 | |
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146 | int pthread_cond_signal( |
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147 | pthread_cond_t *cond |
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148 | ); |
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149 | |
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150 | int pthread_cond_broadcast( |
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151 | pthread_cond_t *cond |
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152 | ); |
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153 | |
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154 | /* |
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155 | * 11.4.4 Waiting on a Condition, P1003.1c/Draft 10, p. 105 |
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156 | */ |
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157 | |
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158 | int pthread_cond_wait( |
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159 | pthread_cond_t *cond, |
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160 | pthread_mutex_t *mutex |
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161 | ); |
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162 | |
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163 | int pthread_cond_timedwait( |
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164 | pthread_cond_t *cond, |
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165 | pthread_mutex_t *mutex, |
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166 | const struct timespec *abstime |
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167 | ); |
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168 | |
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169 | #if defined(_POSIX_THREAD_PRIORITY_SCHEDULING) |
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170 | |
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171 | /* |
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172 | * 13.5.1 Thread Creation Scheduling Attributes, P1003.1c/Draft 10, p. 120 |
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173 | */ |
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174 | |
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175 | int pthread_attr_setscope( |
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176 | pthread_attr_t *attr, |
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177 | int contentionscope |
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178 | ); |
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179 | |
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180 | int pthread_attr_getscope( |
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181 | const pthread_attr_t *attr, |
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182 | int *contentionscope |
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183 | ); |
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184 | |
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185 | #define PTHREAD_INHERIT_SCHED 0 /* scheduling policy and associated */ |
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186 | /* attributes are inherited from */ |
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187 | /* the calling thread. */ |
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188 | #define PTHREAD_EXPLICIT_SCHED 0 /* set from provided attribute object */ |
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189 | |
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190 | int pthread_attr_setinheritsched( |
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191 | pthread_attr_t *attr, |
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192 | int inheritsched |
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193 | ); |
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194 | |
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195 | int pthread_attr_getinheritsched( |
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196 | const pthread_attr_t *attr, |
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197 | int *inheritsched |
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198 | ); |
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199 | |
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200 | int pthread_attr_setschedpolicy( |
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201 | pthread_attr_t *attr, |
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202 | int policy |
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203 | ); |
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204 | |
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205 | int pthread_attr_getschedpolicy( |
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206 | const pthread_attr_t *attr, |
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207 | int *policy |
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208 | ); |
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209 | |
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210 | #endif /* defined(_POSIX_THREAD_PRIORITY_SCHEDULING) */ |
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211 | |
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212 | int pthread_attr_setschedparam( |
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213 | pthread_attr_t *attr, |
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214 | const struct sched_param *param |
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215 | ); |
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216 | |
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217 | int pthread_attr_getschedparam( |
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218 | const pthread_attr_t *attr, |
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219 | struct sched_param *param |
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220 | ); |
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221 | |
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222 | #if defined(_POSIX_THREAD_PRIORITY_SCHEDULING) |
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223 | |
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224 | /* |
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225 | * 13.5.2 Dynamic Thread Scheduling Parameters Access, |
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226 | * P1003.1c/Draft 10, p. 124 |
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227 | */ |
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228 | |
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229 | int pthread_getschedparam( |
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230 | pthread_t thread, |
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231 | int *policy, |
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232 | struct sched_param *param |
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233 | ); |
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234 | |
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235 | int pthread_setschedparam( |
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236 | pthread_t thread, |
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237 | int policy, |
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238 | struct sched_param *param |
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239 | ); |
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240 | |
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241 | #endif /* defined(_POSIX_THREAD_PRIORITY_SCHEDULING) */ |
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242 | |
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243 | #if defined(_POSIX_THREAD_PRIO_INHERIT) || defined(_POSIX_THREAD_PRIO_PROTECT) |
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244 | |
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245 | /* |
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246 | * 13.6.1 Mutex Initialization Scheduling Attributes, P1003.1c/Draft 10, p. 128 |
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247 | */ |
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248 | |
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249 | /* |
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250 | * Values for protocol. |
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251 | */ |
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252 | |
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253 | #define PTHREAD_PRIO_NONE 0 |
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254 | #define PTHREAD_PRIO_INHERIT 1 |
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255 | #define PTHREAD_PRIO_PROTECT 2 |
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256 | |
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257 | int pthread_mutexattr_setprotocol( |
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258 | pthread_mutexattr_t *attr, |
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259 | int protocol |
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260 | ); |
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261 | |
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262 | int pthread_mutexattr_getprotocol( |
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263 | const pthread_mutexattr_t *attr, |
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264 | int *protocol |
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265 | ); |
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266 | |
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267 | int pthread_mutexattr_setprioceiling( |
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268 | pthread_mutexattr_t *attr, |
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269 | int prioceiling |
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270 | ); |
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271 | |
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272 | int pthread_mutexattr_getprioceiling( |
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273 | const pthread_mutexattr_t *attr, |
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274 | int *prioceiling |
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275 | ); |
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276 | |
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277 | #endif /* _POSIX_THREAD_PRIO_INHERIT || _POSIX_THREAD_PRIO_PROTECT */ |
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278 | |
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279 | #if defined(_POSIX_THREAD_PRIO_PROTECT) |
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280 | |
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281 | /* |
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282 | * 13.6.2 Change the Priority Ceiling of a Mutex, P1003.1c/Draft 10, p. 131 |
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283 | */ |
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284 | |
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285 | int pthread_mutex_setprioceiling( |
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286 | pthread_mutex_t *mutex, |
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287 | int prioceiling, |
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288 | int *old_ceiling |
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289 | ); |
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290 | |
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291 | int pthread_mutex_getprioceiling( |
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292 | pthread_mutex_t *mutex, |
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293 | int *prioceiling |
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294 | ); |
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295 | |
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296 | #endif /* _POSIX_THREAD_PRIO_PROTECT */ |
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297 | |
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298 | /* |
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299 | * 16.1.1 Thread Creation Attributes, P1003.1c/Draft 10, p, 140 |
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300 | */ |
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301 | |
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302 | int pthread_attr_init( |
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303 | pthread_attr_t *attr |
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304 | ); |
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305 | |
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306 | int pthread_attr_destroy( |
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307 | pthread_attr_t *attr |
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308 | ); |
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309 | |
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310 | int pthread_attr_getstacksize( |
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311 | const pthread_attr_t *attr, |
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312 | size_t *stacksize |
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313 | ); |
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314 | |
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315 | int pthread_attr_setstacksize( |
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316 | pthread_attr_t *attr, |
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317 | size_t stacksize |
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318 | ); |
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319 | |
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320 | int pthread_attr_getstackaddr( |
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321 | const pthread_attr_t *attr, |
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322 | void **stackaddr |
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323 | ); |
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324 | |
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325 | int pthread_attr_setstackaddr( |
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326 | pthread_attr_t *attr, |
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327 | void *stackaddr |
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328 | ); |
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329 | |
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330 | int pthread_attr_getdetachstate( |
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331 | const pthread_attr_t *attr, |
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332 | int *detachstate |
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333 | ); |
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334 | |
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335 | int pthread_attr_setdetachstate( |
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336 | pthread_attr_t *attr, |
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337 | int detachstate |
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338 | ); |
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339 | |
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340 | /* |
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341 | * 16.1.2 Thread Creation, P1003.1c/Draft 10, p. 144 |
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342 | */ |
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343 | |
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344 | int pthread_create( |
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345 | pthread_t *thread, |
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346 | const pthread_attr_t *attr, |
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347 | void *(*start_routine)( void * ), |
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348 | void *arg |
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349 | ); |
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350 | |
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351 | /* |
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352 | * 16.1.3 Wait for Thread Termination, P1003.1c/Draft 10, p. 147 |
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353 | */ |
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354 | |
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355 | int pthread_join( |
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356 | pthread_t thread, |
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357 | void **value_ptr |
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358 | ); |
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359 | |
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360 | /* |
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361 | * 16.1.4 Detaching a Thread, P1003.1c/Draft 10, p. 149 |
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362 | */ |
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363 | |
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364 | int pthread_detach( |
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365 | pthread_t thread |
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366 | ); |
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367 | |
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368 | /* |
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369 | * 16.1.5.1 Thread Termination, p1003.1c/Draft 10, p. 150 |
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370 | */ |
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371 | |
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372 | void pthread_exit( |
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373 | void *value_ptr |
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374 | ); |
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375 | |
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376 | /* |
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377 | * 16.1.6 Get Calling Thread's ID, p1003.1c/Draft 10, p. XXX |
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378 | */ |
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379 | |
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380 | pthread_t pthread_self( void ); |
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381 | |
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382 | /* |
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383 | * 16.1.7 Compare Thread IDs, p1003.1c/Draft 10, p. 153 |
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384 | */ |
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385 | |
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386 | int pthread_equal( |
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387 | pthread_t t1, |
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388 | pthread_t t2 |
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389 | ); |
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390 | |
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391 | /* |
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392 | * 16.1.8 Dynamic Package Initialization |
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393 | */ |
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394 | |
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395 | /* |
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396 | * This is used to statically initialize a pthread_once_t. Example: |
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397 | * |
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398 | * pthread_once_t once = PTHREAD_ONCE_INITIALIZER; |
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399 | */ |
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400 | |
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401 | #define PTHREAD_ONCE_INITIALIZER { TRUE, FALSE } |
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402 | |
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403 | int pthread_once( |
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404 | pthread_once_t *once_control, |
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405 | void (*init_routine)(void) |
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406 | ); |
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407 | |
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408 | /* |
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409 | * 17.1.1 Thread-Specific Data Key Create, P1003.1c/Draft 10, p. 163 |
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410 | */ |
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411 | |
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412 | int pthread_key_create( |
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413 | pthread_key_t *key, |
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414 | void (*destructor)( void * ) |
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415 | ); |
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416 | |
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417 | /* |
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418 | * 17.1.2 Thread-Specific Data Management, P1003.1c/Draft 10, p. 165 |
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419 | */ |
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420 | |
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421 | int pthread_setspecific( |
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422 | pthread_key_t key, |
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423 | const void *value |
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424 | ); |
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425 | |
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426 | void *pthread_getspecific( |
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427 | pthread_key_t key |
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428 | ); |
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429 | |
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430 | /* |
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431 | * 17.1.3 Thread-Specific Data Key Deletion, P1003.1c/Draft 10, p. 167 |
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432 | */ |
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433 | |
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434 | int pthread_key_delete( |
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435 | pthread_key_t key |
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436 | ); |
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437 | |
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438 | /* |
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439 | * 18.2.1 Canceling Execution of a Thread, P1003.1c/Draft 10, p. 181 |
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440 | */ |
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441 | |
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442 | #define PTHREAD_CANCEL_ENABLE 0 |
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443 | #define PTHREAD_CANCEL_DISABLE 1 |
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444 | |
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445 | #define PTHREAD_CANCEL_DEFERRED 0 |
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446 | #define PTHREAD_CANCEL_ASYNCHRONOUS 1 |
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447 | |
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448 | int pthread_cancel( |
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449 | pthread_t thread |
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450 | ); |
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451 | |
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452 | /* |
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453 | * 18.2.2 Setting Cancelability State, P1003.1c/Draft 10, p. 183 |
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454 | */ |
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455 | |
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456 | int pthread_setcancelstate( |
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457 | int state, |
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458 | int *oldstate |
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459 | ); |
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460 | |
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461 | int pthread_setcanceltype( |
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462 | int type, |
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463 | int *oldtype |
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464 | ); |
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465 | |
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466 | void pthread_testcancel( void ); |
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467 | |
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468 | /* |
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469 | * 18.2.3.1 Establishing Cancellation Handlers, P1003.1c/Draft 10, p. 184 |
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470 | */ |
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471 | |
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472 | void pthread_cleanup_push( |
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473 | void (*routine)( void * ), |
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474 | void *arg |
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475 | ); |
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476 | |
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477 | void pthread_cleanup_pop( |
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478 | int execute |
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479 | ); |
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480 | |
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481 | #if defined(_POSIX_THREAD_CPUTIME) |
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482 | |
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483 | /* |
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484 | * 20.1.6 Accessing a Thread CPU-time Clock, P1003.4b/D8, p. 58 |
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485 | */ |
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486 | |
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487 | int pthread_getcpuclockid( |
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488 | pthread_t pid, |
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489 | clockid_t *clock_id |
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490 | ); |
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491 | |
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492 | /* |
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493 | * 20.1.7 CPU-time Clock Thread Creation Attribute, P1003.4b/D8, p. 59 |
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494 | */ |
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495 | |
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496 | int pthread_attr_setcputime( |
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497 | pthread_attr_t *attr, |
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498 | int clock_allowed |
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499 | ); |
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500 | |
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501 | int pthread_attr_getcputime( |
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502 | pthread_attr_t *attr, |
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503 | int *clock_allowed |
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504 | ); |
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505 | |
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506 | #endif /* defined(_POSIX_THREAD_CPUTIME) */ |
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507 | |
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508 | #endif /* defined(_POSIX_THREADS) */ |
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509 | #endif |
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510 | /* end of include file */ |
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