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annotate Python/thread_solaris.h @ 49955:878d40468c4e legacy-trunk

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Issue #4384: Added logging integration with warnings module using captureWarnings(). This change includes a NullHandler which does nothing; it will be of use to library developers who want to avoid the "No handlers could be found for logger XXX" message which can appear if the library user doesn't configure logging.
author Vinay Sajip <vinay_sajip@yahoo.co.uk>
date Wed, 03 Dec 2008 23:22:58 +0000
parents 40d287c3d906
children e38335d4df91 df5719c298db
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1
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2 #include <stdlib.h>
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3 #include <stdio.h>
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4 #include <errno.h>
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5 #include </usr/include/thread.h>
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6 #undef _POSIX_THREADS
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9 /*
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10 * Initialization.
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11 */
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12 static void PyThread__init_thread(void)
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13 {
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14 }
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16 /*
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17 * Thread support.
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18 */
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19 struct func_arg {
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20 void (*func)(void *);
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21 void *arg;
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22 };
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24 static void *
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25 new_func(void *funcarg)
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26 {
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27 void (*func)(void *);
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28 void *arg;
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30 func = ((struct func_arg *) funcarg)->func;
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31 arg = ((struct func_arg *) funcarg)->arg;
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32 free(funcarg);
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33 (*func)(arg);
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34 return 0;
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35 }
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38 long
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39 PyThread_start_new_thread(void (*func)(void *), void *arg)
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40 {
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41 thread_t tid;
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42 struct func_arg *funcarg;
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43
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44 dprintf(("PyThread_start_new_thread called\n"));
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45 if (!initialized)
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46 PyThread_init_thread();
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47 funcarg = (struct func_arg *) malloc(sizeof(struct func_arg));
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48 funcarg->func = func;
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49 funcarg->arg = arg;
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50 if (thr_create(0, 0, new_func, funcarg,
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51 THR_DETACHED | THR_NEW_LWP, &tid)) {
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52 perror("thr_create");
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53 free((void *) funcarg);
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54 return -1;
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55 }
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56 return tid;
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57 }
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59 long
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60 PyThread_get_thread_ident(void)
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61 {
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62 if (!initialized)
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63 PyThread_init_thread();
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64 return thr_self();
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65 }
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67 static void
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68 do_PyThread_exit_thread(int no_cleanup)
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69 {
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70 dprintf(("PyThread_exit_thread called\n"));
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71 if (!initialized)
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72 if (no_cleanup)
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73 _exit(0);
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74 else
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75 exit(0);
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76 thr_exit(0);
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77 }
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79 void
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80 PyThread_exit_thread(void)
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81 {
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82 do_PyThread_exit_thread(0);
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83 }
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84
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85 void
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86 PyThread__exit_thread(void)
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87 {
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88 do_PyThread_exit_thread(1);
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89 }
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90
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91 #ifndef NO_EXIT_PROG
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92 static void
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93 do_PyThread_exit_prog(int status, int no_cleanup)
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94 {
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95 dprintf(("PyThread_exit_prog(%d) called\n", status));
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96 if (!initialized)
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97 if (no_cleanup)
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98 _exit(status);
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99 else
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100 exit(status);
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101 if (no_cleanup)
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102 _exit(status);
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103 else
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104 exit(status);
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105 }
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107 void
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108 PyThread_exit_prog(int status)
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109 {
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110 do_PyThread_exit_prog(status, 0);
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111 }
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112
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113 void
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114 PyThread__exit_prog(int status)
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115 {
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116 do_PyThread_exit_prog(status, 1);
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117 }
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118 #endif /* NO_EXIT_PROG */
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119
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120 /*
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121 * Lock support.
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122 */
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123 PyThread_type_lock
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124 PyThread_allocate_lock(void)
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125 {
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126 mutex_t *lock;
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127
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128 dprintf(("PyThread_allocate_lock called\n"));
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129 if (!initialized)
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130 PyThread_init_thread();
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131
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132 lock = (mutex_t *) malloc(sizeof(mutex_t));
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133 if (mutex_init(lock, USYNC_THREAD, 0)) {
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134 perror("mutex_init");
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135 free((void *) lock);
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136 lock = 0;
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137 }
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138 dprintf(("PyThread_allocate_lock() -> %p\n", lock));
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139 return (PyThread_type_lock) lock;
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140 }
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141
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142 void
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143 PyThread_free_lock(PyThread_type_lock lock)
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144 {
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145 dprintf(("PyThread_free_lock(%p) called\n", lock));
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146 mutex_destroy((mutex_t *) lock);
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147 free((void *) lock);
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148 }
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149
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150 int
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151 PyThread_acquire_lock(PyThread_type_lock lock, int waitflag)
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152 {
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153 int success;
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154
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155 dprintf(("PyThread_acquire_lock(%p, %d) called\n", lock, waitflag));
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156 if (waitflag)
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157 success = mutex_lock((mutex_t *) lock);
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158 else
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159 success = mutex_trylock((mutex_t *) lock);
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160 if (success < 0)
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161 perror(waitflag ? "mutex_lock" : "mutex_trylock");
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162 else
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163 success = !success; /* solaris does it the other way round */
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164 dprintf(("PyThread_acquire_lock(%p, %d) -> %d\n", lock, waitflag, success));
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165 return success;
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166 }
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167
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168 void
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169 PyThread_release_lock(PyThread_type_lock lock)
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170 {
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171 dprintf(("PyThread_release_lock(%p) called\n", lock));
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172 if (mutex_unlock((mutex_t *) lock))
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173 perror("mutex_unlock");
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174 }