Mercurial > hg > nginx-quic
annotate src/os/unix/ngx_pthread_thread.c @ 4367:9c4acdf9b276 stable-1.0
Merge of r4315:
Allowed add_header for proxied 206 replies.
It was working for nginx's own 206 replies as they are seen as 200 in the
headers filter module (range filter goes later in the headers filter chain),
but not for proxied replies.
author | Maxim Dounin <mdounin@mdounin.ru> |
---|---|
date | Wed, 14 Dec 2011 18:06:21 +0000 |
parents | 4d9ea73a627a |
children | d620f497c50f |
rev | line source |
---|---|
376
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1 |
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2 /* |
444
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nginx-0.1.0-2004-09-29-20:00:49 import; remove years from copyright
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3 * Copyright (C) Igor Sysoev |
376
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4 */ |
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5 |
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6 |
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7 #include <ngx_config.h> |
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8 #include <ngx_core.h> |
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9 |
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10 |
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11 static ngx_uint_t nthreads; |
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12 static ngx_uint_t max_threads; |
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13 |
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14 |
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15 static pthread_attr_t thr_attr; |
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16 |
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17 |
563 | 18 ngx_err_t |
19 ngx_create_thread(ngx_tid_t *tid, ngx_thread_value_t (*func)(void *arg), | |
20 void *arg, ngx_log_t *log) | |
376
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21 { |
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22 int err; |
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23 |
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24 if (nthreads >= max_threads) { |
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25 ngx_log_error(NGX_LOG_CRIT, log, 0, |
461 | 26 "no more than %ui threads can be created", max_threads); |
376
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27 return NGX_ERROR; |
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28 } |
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29 |
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30 err = pthread_create(tid, &thr_attr, func, arg); |
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31 |
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32 if (err != 0) { |
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33 ngx_log_error(NGX_LOG_ALERT, log, err, "pthread_create() failed"); |
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34 return err; |
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35 } |
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36 |
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37 ngx_log_debug1(NGX_LOG_DEBUG_CORE, log, 0, |
461 | 38 "thread is created: " NGX_TID_T_FMT, *tid); |
376
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39 |
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40 nthreads++; |
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41 |
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42 return err; |
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43 } |
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44 |
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45 |
563 | 46 ngx_int_t |
47 ngx_init_threads(int n, size_t size, ngx_cycle_t *cycle) | |
577 | 48 { |
376
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49 int err; |
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50 |
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51 max_threads = n; |
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52 |
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53 err = pthread_attr_init(&thr_attr); |
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54 |
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55 if (err != 0) { |
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56 ngx_log_error(NGX_LOG_ALERT, cycle->log, err, |
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57 "pthread_attr_init() failed"); |
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58 return NGX_ERROR; |
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59 } |
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60 |
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61 err = pthread_attr_setstacksize(&thr_attr, size); |
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62 |
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63 if (err != 0) { |
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64 ngx_log_error(NGX_LOG_ALERT, cycle->log, err, |
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65 "pthread_attr_setstacksize() failed"); |
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66 return NGX_ERROR; |
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67 } |
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68 |
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69 ngx_threaded = 1; |
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70 |
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71 return NGX_OK; |
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72 } |
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73 |
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74 |
563 | 75 ngx_mutex_t * |
76 ngx_mutex_init(ngx_log_t *log, ngx_uint_t flags) | |
376
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77 { |
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78 int err; |
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79 ngx_mutex_t *m; |
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80 |
501 | 81 m = ngx_alloc(sizeof(ngx_mutex_t), log); |
82 if (m == NULL) { | |
376
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83 return NULL; |
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84 } |
577 | 85 |
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86 m->log = log; |
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87 |
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88 err = pthread_mutex_init(&m->mutex, NULL); |
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89 |
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90 if (err != 0) { |
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91 ngx_log_error(NGX_LOG_ALERT, m->log, err, |
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92 "pthread_mutex_init() failed"); |
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93 return NULL; |
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94 } |
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95 |
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96 return m; |
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97 } |
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98 |
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99 |
563 | 100 void |
101 ngx_mutex_destroy(ngx_mutex_t *m) | |
376
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102 { |
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103 int err; |
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104 |
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105 err = pthread_mutex_destroy(&m->mutex); |
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106 |
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107 if (err != 0) { |
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108 ngx_log_error(NGX_LOG_ALERT, m->log, err, |
461 | 109 "pthread_mutex_destroy(%p) failed", m); |
376
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110 } |
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111 |
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112 ngx_free(m); |
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113 } |
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114 |
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115 |
563 | 116 void |
117 ngx_mutex_lock(ngx_mutex_t *m) | |
376
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118 { |
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119 int err; |
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120 |
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121 if (!ngx_threaded) { |
563 | 122 return; |
376
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123 } |
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124 |
461 | 125 ngx_log_debug1(NGX_LOG_DEBUG_MUTEX, m->log, 0, "lock mutex %p", m); |
376
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parents:
diff
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126 |
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127 err = pthread_mutex_lock(&m->mutex); |
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parents:
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128 |
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129 if (err != 0) { |
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parents:
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130 ngx_log_error(NGX_LOG_ALERT, m->log, err, |
461 | 131 "pthread_mutex_lock(%p) failed", m); |
563 | 132 ngx_abort(); |
376
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parents:
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133 } |
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parents:
diff
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134 |
461 | 135 ngx_log_debug1(NGX_LOG_DEBUG_MUTEX, m->log, 0, "mutex %p is locked", m); |
376
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parents:
diff
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136 |
563 | 137 return; |
376
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parents:
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138 } |
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parents:
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139 |
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parents:
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140 |
563 | 141 ngx_int_t |
142 ngx_mutex_trylock(ngx_mutex_t *m) | |
376
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Igor Sysoev <igor@sysoev.ru>
parents:
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143 { |
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144 int err; |
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145 |
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146 if (!ngx_threaded) { |
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147 return NGX_OK; |
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parents:
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148 } |
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parents:
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149 |
461 | 150 ngx_log_debug1(NGX_LOG_DEBUG_MUTEX, m->log, 0, "try lock mutex %p", m); |
376
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Igor Sysoev <igor@sysoev.ru>
parents:
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151 |
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152 err = pthread_mutex_trylock(&m->mutex); |
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153 |
391
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Igor Sysoev <igor@sysoev.ru>
parents:
379
diff
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154 if (err == NGX_EBUSY) { |
b670db10cbbd
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Igor Sysoev <igor@sysoev.ru>
parents:
379
diff
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155 return NGX_AGAIN; |
b670db10cbbd
nginx-0.0.7-2004-07-14-20:01:42 import
Igor Sysoev <igor@sysoev.ru>
parents:
379
diff
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156 } |
b670db10cbbd
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Igor Sysoev <igor@sysoev.ru>
parents:
379
diff
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|
157 |
376
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Igor Sysoev <igor@sysoev.ru>
parents:
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158 if (err != 0) { |
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Igor Sysoev <igor@sysoev.ru>
parents:
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159 ngx_log_error(NGX_LOG_ALERT, m->log, err, |
461 | 160 "pthread_mutex_trylock(%p) failed", m); |
563 | 161 ngx_abort(); |
376
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Igor Sysoev <igor@sysoev.ru>
parents:
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162 } |
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parents:
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163 |
461 | 164 ngx_log_debug1(NGX_LOG_DEBUG_MUTEX, m->log, 0, "mutex %p is locked", m); |
376
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parents:
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165 |
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166 return NGX_OK; |
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Igor Sysoev <igor@sysoev.ru>
parents:
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167 } |
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Igor Sysoev <igor@sysoev.ru>
parents:
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168 |
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169 |
563 | 170 void |
171 ngx_mutex_unlock(ngx_mutex_t *m) | |
376
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172 { |
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173 int err; |
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174 |
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175 if (!ngx_threaded) { |
563 | 176 return; |
376
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Igor Sysoev <igor@sysoev.ru>
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177 } |
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parents:
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178 |
461 | 179 ngx_log_debug1(NGX_LOG_DEBUG_MUTEX, m->log, 0, "unlock mutex %p", m); |
376
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180 |
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181 err = pthread_mutex_unlock(&m->mutex); |
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182 |
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183 if (err != 0) { |
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Igor Sysoev <igor@sysoev.ru>
parents:
diff
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184 ngx_log_error(NGX_LOG_ALERT, m->log, err, |
461 | 185 "pthread_mutex_unlock(%p) failed", m); |
563 | 186 ngx_abort(); |
376
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187 } |
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Igor Sysoev <igor@sysoev.ru>
parents:
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188 |
461 | 189 ngx_log_debug1(NGX_LOG_DEBUG_MUTEX, m->log, 0, "mutex %p is unlocked", m); |
376
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Igor Sysoev <igor@sysoev.ru>
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190 |
563 | 191 return; |
376
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Igor Sysoev <igor@sysoev.ru>
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192 } |
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193 |
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194 |
563 | 195 ngx_cond_t * |
196 ngx_cond_init(ngx_log_t *log) | |
376
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197 { |
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198 int err; |
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199 ngx_cond_t *cv; |
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200 |
501 | 201 cv = ngx_alloc(sizeof(ngx_cond_t), log); |
202 if (cv == NULL) { | |
376
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203 return NULL; |
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Igor Sysoev <igor@sysoev.ru>
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204 } |
577 | 205 |
376
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parents:
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206 cv->log = log; |
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207 |
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Igor Sysoev <igor@sysoev.ru>
parents:
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208 err = pthread_cond_init(&cv->cond, NULL); |
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Igor Sysoev <igor@sysoev.ru>
parents:
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|
209 |
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Igor Sysoev <igor@sysoev.ru>
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210 if (err != 0) { |
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Igor Sysoev <igor@sysoev.ru>
parents:
diff
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211 ngx_log_error(NGX_LOG_ALERT, cv->log, err, |
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Igor Sysoev <igor@sysoev.ru>
parents:
diff
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|
212 "pthread_cond_init() failed"); |
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Igor Sysoev <igor@sysoev.ru>
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213 return NULL; |
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214 } |
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Igor Sysoev <igor@sysoev.ru>
parents:
diff
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|
215 |
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216 return cv; |
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Igor Sysoev <igor@sysoev.ru>
parents:
diff
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|
217 } |
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Igor Sysoev <igor@sysoev.ru>
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diff
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|
218 |
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219 |
563 | 220 void |
221 ngx_cond_destroy(ngx_cond_t *cv) | |
376
d0451e402e27
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Igor Sysoev <igor@sysoev.ru>
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222 { |
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diff
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|
223 int err; |
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diff
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|
224 |
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Igor Sysoev <igor@sysoev.ru>
parents:
diff
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225 err = pthread_cond_destroy(&cv->cond); |
d0451e402e27
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Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
226 |
d0451e402e27
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Igor Sysoev <igor@sysoev.ru>
parents:
diff
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|
227 if (err != 0) { |
d0451e402e27
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Igor Sysoev <igor@sysoev.ru>
parents:
diff
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|
228 ngx_log_error(NGX_LOG_ALERT, cv->log, err, |
461 | 229 "pthread_cond_destroy(%p) failed", cv); |
376
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Igor Sysoev <igor@sysoev.ru>
parents:
diff
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|
230 } |
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Igor Sysoev <igor@sysoev.ru>
parents:
diff
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|
231 |
d0451e402e27
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Igor Sysoev <igor@sysoev.ru>
parents:
diff
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|
232 ngx_free(cv); |
d0451e402e27
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Igor Sysoev <igor@sysoev.ru>
parents:
diff
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|
233 } |
d0451e402e27
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Igor Sysoev <igor@sysoev.ru>
parents:
diff
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|
234 |
d0451e402e27
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Igor Sysoev <igor@sysoev.ru>
parents:
diff
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|
235 |
563 | 236 ngx_int_t |
237 ngx_cond_wait(ngx_cond_t *cv, ngx_mutex_t *m) | |
376
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Igor Sysoev <igor@sysoev.ru>
parents:
diff
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|
238 { |
d0451e402e27
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Igor Sysoev <igor@sysoev.ru>
parents:
diff
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|
239 int err; |
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Igor Sysoev <igor@sysoev.ru>
parents:
diff
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|
240 |
461 | 241 ngx_log_debug1(NGX_LOG_DEBUG_CORE, cv->log, 0, "cv %p wait", cv); |
376
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Igor Sysoev <igor@sysoev.ru>
parents:
diff
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|
242 |
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Igor Sysoev <igor@sysoev.ru>
parents:
diff
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|
243 err = pthread_cond_wait(&cv->cond, &m->mutex); |
d0451e402e27
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Igor Sysoev <igor@sysoev.ru>
parents:
diff
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|
244 |
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Igor Sysoev <igor@sysoev.ru>
parents:
diff
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|
245 if (err != 0) { |
d0451e402e27
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Igor Sysoev <igor@sysoev.ru>
parents:
diff
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|
246 ngx_log_error(NGX_LOG_ALERT, cv->log, err, |
461 | 247 "pthread_cond_wait(%p) failed", cv); |
376
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Igor Sysoev <igor@sysoev.ru>
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diff
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|
248 return NGX_ERROR; |
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Igor Sysoev <igor@sysoev.ru>
parents:
diff
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|
249 } |
d0451e402e27
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Igor Sysoev <igor@sysoev.ru>
parents:
diff
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|
250 |
461 | 251 ngx_log_debug1(NGX_LOG_DEBUG_CORE, cv->log, 0, "cv %p is waked up", cv); |
376
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Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
252 |
461 | 253 ngx_log_debug1(NGX_LOG_DEBUG_MUTEX, m->log, 0, "mutex %p is locked", m); |
376
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Igor Sysoev <igor@sysoev.ru>
parents:
diff
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|
254 |
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diff
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|
255 return NGX_OK; |
d0451e402e27
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Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
256 } |
d0451e402e27
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Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
257 |
d0451e402e27
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Igor Sysoev <igor@sysoev.ru>
parents:
diff
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|
258 |
563 | 259 ngx_int_t |
260 ngx_cond_signal(ngx_cond_t *cv) | |
376
d0451e402e27
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Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
261 { |
d0451e402e27
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Igor Sysoev <igor@sysoev.ru>
parents:
diff
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|
262 int err; |
d0451e402e27
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Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
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263 |
461 | 264 ngx_log_debug1(NGX_LOG_DEBUG_CORE, cv->log, 0, "cv %p to signal", cv); |
376
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Igor Sysoev <igor@sysoev.ru>
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265 |
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nginx-0.0.7-2004-07-05-10:55:54 import
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266 err = pthread_cond_signal(&cv->cond); |
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nginx-0.0.7-2004-07-05-10:55:54 import
Igor Sysoev <igor@sysoev.ru>
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267 |
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nginx-0.0.7-2004-07-05-10:55:54 import
Igor Sysoev <igor@sysoev.ru>
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268 if (err != 0) { |
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nginx-0.0.7-2004-07-05-10:55:54 import
Igor Sysoev <igor@sysoev.ru>
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269 ngx_log_error(NGX_LOG_ALERT, cv->log, err, |
461 | 270 "pthread_cond_signal(%p) failed", cv); |
376
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Igor Sysoev <igor@sysoev.ru>
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271 return NGX_ERROR; |
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nginx-0.0.7-2004-07-05-10:55:54 import
Igor Sysoev <igor@sysoev.ru>
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272 } |
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nginx-0.0.7-2004-07-05-10:55:54 import
Igor Sysoev <igor@sysoev.ru>
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273 |
461 | 274 ngx_log_debug1(NGX_LOG_DEBUG_CORE, cv->log, 0, "cv %p is signaled", cv); |
376
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nginx-0.0.7-2004-07-05-10:55:54 import
Igor Sysoev <igor@sysoev.ru>
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275 |
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Igor Sysoev <igor@sysoev.ru>
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276 return NGX_OK; |
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nginx-0.0.7-2004-07-05-10:55:54 import
Igor Sysoev <igor@sysoev.ru>
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277 } |