Mercurial > hg > nginx
annotate src/os/unix/ngx_pthread_thread.c @ 529:e5d7d0334fdb release-0.1.39
nginx-0.1.39-RELEASE import
*) The changes in the ngx_http_charset_module: the "default_charset"
directive was canceled; the "charset" directive sets the response
charset; the "source_charset" directive sets the source charset only.
*) Bugfix: the backend "WWW-Authenticate" header line did not
transferred while the 401 response code redirecting.
*) Bugfix: the ngx_http_proxy_module and ngx_http_fastcgi_module may
close a connection before anything was transferred to a client; the
bug had appeared in 0.1.38.
*) Workaround: the Linux glibc crypt_r() initialization bug.
*) Bugfix: the ngx_http_ssi_module did not support the relative URI in
the "include virtual" command.
*) Bugfix: if the backend response had the "Location" header line and
nginx should not rewrite this line, then the 500 code response body
was transferred; the bug had appeared in 0.1.29.
*) Bugfix: some directives of the ngx_http_proxy_module and
ngx_http_fastcgi_module were not inherited from the server to the
location level; the bug had appeared in 0.1.29.
*) Bugfix: the ngx_http_ssl_module did not support the certificate
chain.
*) Bugfix: the ngx_http_autoindex_module did not show correctly the
long file names; the bug had appeared in 0.1.38.
*) Bugfixes in IMAP/POP3 proxy in interaction with a backend at the
login state.
author | Igor Sysoev <igor@sysoev.ru> |
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date | Thu, 14 Jul 2005 12:51:53 +0000 |
parents | d4ea69372b94 |
children | 9c2f3ed7a247 |
rev | line source |
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1 |
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2 /* |
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3 * Copyright (C) Igor Sysoev |
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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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11 static ngx_uint_t nthreads; |
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12 static ngx_uint_t max_threads; |
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15 static pthread_attr_t thr_attr; |
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17 |
461 | 18 ngx_err_t ngx_create_thread(ngx_tid_t *tid, void* (*func)(void *arg), void *arg, |
19 ngx_log_t *log) | |
376
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20 { |
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21 int err; |
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22 |
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23 if (nthreads >= max_threads) { |
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24 ngx_log_error(NGX_LOG_CRIT, log, 0, |
461 | 25 "no more than %ui threads can be created", max_threads); |
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26 return NGX_ERROR; |
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27 } |
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28 |
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29 err = pthread_create(tid, &thr_attr, func, arg); |
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30 |
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31 if (err != 0) { |
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32 ngx_log_error(NGX_LOG_ALERT, log, err, "pthread_create() failed"); |
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33 return err; |
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34 } |
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35 |
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36 ngx_log_debug1(NGX_LOG_DEBUG_CORE, log, 0, |
461 | 37 "thread is created: " NGX_TID_T_FMT, *tid); |
376
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38 |
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39 nthreads++; |
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40 |
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41 return err; |
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42 } |
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43 |
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44 |
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45 ngx_int_t ngx_init_threads(int n, size_t size, ngx_cycle_t *cycle) |
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46 { |
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47 int err; |
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48 |
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49 max_threads = n; |
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50 |
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51 err = pthread_attr_init(&thr_attr); |
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52 |
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53 if (err != 0) { |
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54 ngx_log_error(NGX_LOG_ALERT, cycle->log, err, |
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55 "pthread_attr_init() failed"); |
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56 return NGX_ERROR; |
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57 } |
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58 |
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59 err = pthread_attr_setstacksize(&thr_attr, size); |
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60 |
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61 if (err != 0) { |
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62 ngx_log_error(NGX_LOG_ALERT, cycle->log, err, |
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63 "pthread_attr_setstacksize() failed"); |
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64 return NGX_ERROR; |
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65 } |
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66 |
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67 ngx_threaded = 1; |
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68 |
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69 return NGX_OK; |
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70 } |
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71 |
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72 |
461 | 73 ngx_mutex_t *ngx_mutex_init(ngx_log_t *log, ngx_uint_t flags) |
376
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74 { |
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75 int err; |
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76 ngx_mutex_t *m; |
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77 |
501 | 78 m = ngx_alloc(sizeof(ngx_mutex_t), log); |
79 if (m == NULL) { | |
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80 return NULL; |
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81 } |
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82 |
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83 m->log = log; |
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84 |
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85 err = pthread_mutex_init(&m->mutex, NULL); |
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86 |
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87 if (err != 0) { |
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88 ngx_log_error(NGX_LOG_ALERT, m->log, err, |
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89 "pthread_mutex_init() failed"); |
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90 return NULL; |
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91 } |
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92 |
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93 return m; |
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94 } |
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95 |
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96 |
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97 void ngx_mutex_destroy(ngx_mutex_t *m) |
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98 { |
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99 int err; |
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100 |
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101 err = pthread_mutex_destroy(&m->mutex); |
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102 |
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103 if (err != 0) { |
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104 ngx_log_error(NGX_LOG_ALERT, m->log, err, |
461 | 105 "pthread_mutex_destroy(%p) failed", m); |
376
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106 } |
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107 |
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108 ngx_free(m); |
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109 } |
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110 |
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111 |
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Igor Sysoev <igor@sysoev.ru>
parents:
diff
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112 ngx_int_t ngx_mutex_lock(ngx_mutex_t *m) |
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diff
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113 { |
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114 int err; |
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parents:
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115 |
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116 if (!ngx_threaded) { |
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117 return NGX_OK; |
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118 } |
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Igor Sysoev <igor@sysoev.ru>
parents:
diff
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119 |
461 | 120 ngx_log_debug1(NGX_LOG_DEBUG_MUTEX, m->log, 0, "lock mutex %p", m); |
376
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121 |
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122 err = pthread_mutex_lock(&m->mutex); |
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Igor Sysoev <igor@sysoev.ru>
parents:
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123 |
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124 if (err != 0) { |
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Igor Sysoev <igor@sysoev.ru>
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125 ngx_log_error(NGX_LOG_ALERT, m->log, err, |
461 | 126 "pthread_mutex_lock(%p) failed", m); |
376
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Igor Sysoev <igor@sysoev.ru>
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127 return NGX_ERROR; |
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Igor Sysoev <igor@sysoev.ru>
parents:
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128 } |
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Igor Sysoev <igor@sysoev.ru>
parents:
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129 |
461 | 130 ngx_log_debug1(NGX_LOG_DEBUG_MUTEX, m->log, 0, "mutex %p is locked", m); |
376
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131 |
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132 return NGX_OK; |
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133 } |
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134 |
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135 |
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Igor Sysoev <igor@sysoev.ru>
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136 ngx_int_t ngx_mutex_trylock(ngx_mutex_t *m) |
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Igor Sysoev <igor@sysoev.ru>
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137 { |
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Igor Sysoev <igor@sysoev.ru>
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138 int err; |
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139 |
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140 if (!ngx_threaded) { |
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Igor Sysoev <igor@sysoev.ru>
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141 return NGX_OK; |
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Igor Sysoev <igor@sysoev.ru>
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142 } |
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Igor Sysoev <igor@sysoev.ru>
parents:
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143 |
461 | 144 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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145 |
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Igor Sysoev <igor@sysoev.ru>
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146 err = pthread_mutex_trylock(&m->mutex); |
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Igor Sysoev <igor@sysoev.ru>
parents:
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147 |
391
b670db10cbbd
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Igor Sysoev <igor@sysoev.ru>
parents:
379
diff
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148 if (err == NGX_EBUSY) { |
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Igor Sysoev <igor@sysoev.ru>
parents:
379
diff
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149 return NGX_AGAIN; |
b670db10cbbd
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Igor Sysoev <igor@sysoev.ru>
parents:
379
diff
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|
150 } |
b670db10cbbd
nginx-0.0.7-2004-07-14-20:01:42 import
Igor Sysoev <igor@sysoev.ru>
parents:
379
diff
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|
151 |
376
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Igor Sysoev <igor@sysoev.ru>
parents:
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152 if (err != 0) { |
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Igor Sysoev <igor@sysoev.ru>
parents:
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153 ngx_log_error(NGX_LOG_ALERT, m->log, err, |
461 | 154 "pthread_mutex_trylock(%p) failed", m); |
376
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Igor Sysoev <igor@sysoev.ru>
parents:
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155 return NGX_ERROR; |
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Igor Sysoev <igor@sysoev.ru>
parents:
diff
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|
156 } |
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Igor Sysoev <igor@sysoev.ru>
parents:
diff
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|
157 |
461 | 158 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:
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|
159 |
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160 return NGX_OK; |
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Igor Sysoev <igor@sysoev.ru>
parents:
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161 } |
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Igor Sysoev <igor@sysoev.ru>
parents:
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162 |
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163 |
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Igor Sysoev <igor@sysoev.ru>
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164 ngx_int_t ngx_mutex_unlock(ngx_mutex_t *m) |
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Igor Sysoev <igor@sysoev.ru>
parents:
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165 { |
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Igor Sysoev <igor@sysoev.ru>
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166 int err; |
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Igor Sysoev <igor@sysoev.ru>
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167 |
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168 if (!ngx_threaded) { |
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Igor Sysoev <igor@sysoev.ru>
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169 return NGX_OK; |
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Igor Sysoev <igor@sysoev.ru>
parents:
diff
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|
170 } |
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Igor Sysoev <igor@sysoev.ru>
parents:
diff
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|
171 |
461 | 172 ngx_log_debug1(NGX_LOG_DEBUG_MUTEX, m->log, 0, "unlock mutex %p", m); |
376
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Igor Sysoev <igor@sysoev.ru>
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diff
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|
173 |
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Igor Sysoev <igor@sysoev.ru>
parents:
diff
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|
174 err = pthread_mutex_unlock(&m->mutex); |
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Igor Sysoev <igor@sysoev.ru>
parents:
diff
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|
175 |
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Igor Sysoev <igor@sysoev.ru>
parents:
diff
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|
176 if (err != 0) { |
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Igor Sysoev <igor@sysoev.ru>
parents:
diff
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|
177 ngx_log_error(NGX_LOG_ALERT, m->log, err, |
461 | 178 "pthread_mutex_unlock(%p) failed", m); |
376
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Igor Sysoev <igor@sysoev.ru>
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diff
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179 return NGX_ERROR; |
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Igor Sysoev <igor@sysoev.ru>
parents:
diff
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|
180 } |
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Igor Sysoev <igor@sysoev.ru>
parents:
diff
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|
181 |
461 | 182 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>
parents:
diff
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|
183 |
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|
184 return NGX_OK; |
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Igor Sysoev <igor@sysoev.ru>
parents:
diff
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|
185 } |
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Igor Sysoev <igor@sysoev.ru>
parents:
diff
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|
186 |
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Igor Sysoev <igor@sysoev.ru>
parents:
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|
187 |
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Igor Sysoev <igor@sysoev.ru>
parents:
diff
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|
188 ngx_cond_t *ngx_cond_init(ngx_log_t *log) |
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Igor Sysoev <igor@sysoev.ru>
parents:
diff
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|
189 { |
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Igor Sysoev <igor@sysoev.ru>
parents:
diff
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|
190 int err; |
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Igor Sysoev <igor@sysoev.ru>
parents:
diff
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|
191 ngx_cond_t *cv; |
d0451e402e27
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Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
192 |
501 | 193 cv = ngx_alloc(sizeof(ngx_cond_t), log); |
194 if (cv == NULL) { | |
376
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195 return NULL; |
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Igor Sysoev <igor@sysoev.ru>
parents:
diff
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|
196 } |
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Igor Sysoev <igor@sysoev.ru>
parents:
diff
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|
197 |
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parents:
diff
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|
198 cv->log = log; |
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Igor Sysoev <igor@sysoev.ru>
parents:
diff
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|
199 |
d0451e402e27
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Igor Sysoev <igor@sysoev.ru>
parents:
diff
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|
200 err = pthread_cond_init(&cv->cond, NULL); |
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Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
201 |
d0451e402e27
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Igor Sysoev <igor@sysoev.ru>
parents:
diff
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|
202 if (err != 0) { |
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Igor Sysoev <igor@sysoev.ru>
parents:
diff
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|
203 ngx_log_error(NGX_LOG_ALERT, cv->log, err, |
d0451e402e27
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Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
204 "pthread_cond_init() failed"); |
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Igor Sysoev <igor@sysoev.ru>
parents:
diff
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|
205 return NULL; |
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Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
206 } |
d0451e402e27
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Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
207 |
d0451e402e27
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Igor Sysoev <igor@sysoev.ru>
parents:
diff
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|
208 return cv; |
d0451e402e27
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Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
209 } |
d0451e402e27
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Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
210 |
d0451e402e27
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Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
211 |
d0451e402e27
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Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
212 void ngx_cond_destroy(ngx_cond_t *cv) |
d0451e402e27
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Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
213 { |
d0451e402e27
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Igor Sysoev <igor@sysoev.ru>
parents:
diff
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|
214 int err; |
d0451e402e27
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Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
215 |
d0451e402e27
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Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
216 err = pthread_cond_destroy(&cv->cond); |
d0451e402e27
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Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
217 |
d0451e402e27
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Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
218 if (err != 0) { |
d0451e402e27
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Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
219 ngx_log_error(NGX_LOG_ALERT, cv->log, err, |
461 | 220 "pthread_cond_destroy(%p) failed", cv); |
376
d0451e402e27
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Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
221 } |
d0451e402e27
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Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
222 |
d0451e402e27
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Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
223 ngx_free(cv); |
d0451e402e27
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Igor Sysoev <igor@sysoev.ru>
parents:
diff
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|
224 } |
d0451e402e27
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Igor Sysoev <igor@sysoev.ru>
parents:
diff
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|
225 |
d0451e402e27
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Igor Sysoev <igor@sysoev.ru>
parents:
diff
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|
226 |
d0451e402e27
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Igor Sysoev <igor@sysoev.ru>
parents:
diff
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|
227 ngx_int_t ngx_cond_wait(ngx_cond_t *cv, ngx_mutex_t *m) |
d0451e402e27
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Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
228 { |
d0451e402e27
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Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
229 int err; |
d0451e402e27
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Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
230 |
461 | 231 ngx_log_debug1(NGX_LOG_DEBUG_CORE, cv->log, 0, "cv %p wait", cv); |
376
d0451e402e27
nginx-0.0.7-2004-07-05-10:55:54 import
Igor Sysoev <igor@sysoev.ru>
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232 |
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nginx-0.0.7-2004-07-05-10:55:54 import
Igor Sysoev <igor@sysoev.ru>
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233 err = pthread_cond_wait(&cv->cond, &m->mutex); |
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nginx-0.0.7-2004-07-05-10:55:54 import
Igor Sysoev <igor@sysoev.ru>
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234 |
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nginx-0.0.7-2004-07-05-10:55:54 import
Igor Sysoev <igor@sysoev.ru>
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235 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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236 ngx_log_error(NGX_LOG_ALERT, cv->log, err, |
461 | 237 "pthread_cond_wait(%p) failed", cv); |
376
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238 return NGX_ERROR; |
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nginx-0.0.7-2004-07-05-10:55:54 import
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239 } |
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nginx-0.0.7-2004-07-05-10:55:54 import
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240 |
461 | 241 ngx_log_debug1(NGX_LOG_DEBUG_CORE, cv->log, 0, "cv %p is waked up", cv); |
376
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242 |
461 | 243 ngx_log_debug1(NGX_LOG_DEBUG_MUTEX, m->log, 0, "mutex %p is locked", m); |
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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244 |
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245 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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246 } |
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nginx-0.0.7-2004-07-05-10:55:54 import
Igor Sysoev <igor@sysoev.ru>
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247 |
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nginx-0.0.7-2004-07-05-10:55:54 import
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248 |
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249 ngx_int_t ngx_cond_signal(ngx_cond_t *cv) |
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Igor Sysoev <igor@sysoev.ru>
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250 { |
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nginx-0.0.7-2004-07-05-10:55:54 import
Igor Sysoev <igor@sysoev.ru>
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251 int err; |
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252 |
461 | 253 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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254 |
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Igor Sysoev <igor@sysoev.ru>
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255 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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256 |
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nginx-0.0.7-2004-07-05-10:55:54 import
Igor Sysoev <igor@sysoev.ru>
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257 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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258 ngx_log_error(NGX_LOG_ALERT, cv->log, err, |
461 | 259 "pthread_cond_signal(%p) failed", cv); |
376
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260 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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261 } |
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nginx-0.0.7-2004-07-05-10:55:54 import
Igor Sysoev <igor@sysoev.ru>
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262 |
461 | 263 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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264 |
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nginx-0.0.7-2004-07-05-10:55:54 import
Igor Sysoev <igor@sysoev.ru>
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265 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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266 } |