annotate src/os/unix/ngx_pthread_thread.c @ 501:d4ea69372b94 release-0.1.25

nginx-0.1.25-RELEASE import *) Bugfix: nginx did run on Linux parisc. *) Feature: nginx now does not start under FreeBSD if the sysctl kern.ipc.somaxconn value is too big. *) Bugfix: if a request was internally redirected by the ngx_http_index_module module to the ngx_http_proxy_module or ngx_http_fastcgi_module modules, then the index file was not closed after request completion. *) Feature: the "proxy_pass" can be used in location with regular expression. *) Feature: the ngx_http_rewrite_filter_module module supports the condition like "if ($HTTP_USER_AGENT ~ MSIE)". *) Bugfix: nginx started too slow if the large number of addresses and text values were used in the "geo" directive. *) Change: a variable name must be declared as "$name" in the "geo" directive. The previous variant without "$" is still supported, but will be removed soon. *) Feature: the "%{VARIABLE}v" logging parameter. *) Feature: the "set $name value" directive. *) Bugfix: gcc 4.0 compatibility. *) Feature: the --with-openssl-opt=OPTIONS autoconfiguration directive.
author Igor Sysoev <igor@sysoev.ru>
date Sat, 19 Mar 2005 12:38:37 +0000
parents a88a3e4e158f
children 9c2f3ed7a247
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1
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2 /*
444
42d11f017717 nginx-0.1.0-2004-09-29-20:00:49 import; remove years from copyright
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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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13
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14
d0451e402e27 nginx-0.0.7-2004-07-05-10:55:54 import
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15 static pthread_attr_t thr_attr;
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17
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18 ngx_err_t ngx_create_thread(ngx_tid_t *tid, void* (*func)(void *arg), void *arg,
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19 ngx_log_t *log)
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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,
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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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29 err = pthread_create(tid, &thr_attr, func, arg);
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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,
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37 "thread is created: " NGX_TID_T_FMT, *tid);
376
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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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45 ngx_int_t ngx_init_threads(int n, size_t size, ngx_cycle_t *cycle)
d0451e402e27 nginx-0.0.7-2004-07-05-10:55:54 import
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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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72
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73 ngx_mutex_t *ngx_mutex_init(ngx_log_t *log, ngx_uint_t flags)
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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
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78 m = ngx_alloc(sizeof(ngx_mutex_t), log);
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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,
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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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112 ngx_int_t ngx_mutex_lock(ngx_mutex_t *m)
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113 {
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114 int err;
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115
d0451e402e27 nginx-0.0.7-2004-07-05-10:55:54 import
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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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119
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parents: 444
diff changeset
120 ngx_log_debug1(NGX_LOG_DEBUG_MUTEX, m->log, 0, "lock mutex %p", m);
376
d0451e402e27 nginx-0.0.7-2004-07-05-10:55:54 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
121
d0451e402e27 nginx-0.0.7-2004-07-05-10:55:54 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
122 err = pthread_mutex_lock(&m->mutex);
d0451e402e27 nginx-0.0.7-2004-07-05-10:55:54 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
123
d0451e402e27 nginx-0.0.7-2004-07-05-10:55:54 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
124 if (err != 0) {
d0451e402e27 nginx-0.0.7-2004-07-05-10:55:54 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
125 ngx_log_error(NGX_LOG_ALERT, m->log, err,
461
a88a3e4e158f nginx-0.1.5-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 444
diff changeset
126 "pthread_mutex_lock(%p) failed", m);
376
d0451e402e27 nginx-0.0.7-2004-07-05-10:55:54 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
127 return NGX_ERROR;
d0451e402e27 nginx-0.0.7-2004-07-05-10:55:54 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
128 }
d0451e402e27 nginx-0.0.7-2004-07-05-10:55:54 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
129
461
a88a3e4e158f nginx-0.1.5-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 444
diff changeset
130 ngx_log_debug1(NGX_LOG_DEBUG_MUTEX, m->log, 0, "mutex %p is locked", m);
376
d0451e402e27 nginx-0.0.7-2004-07-05-10:55:54 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
131
d0451e402e27 nginx-0.0.7-2004-07-05-10:55:54 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
132 return NGX_OK;
d0451e402e27 nginx-0.0.7-2004-07-05-10:55:54 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
133 }
d0451e402e27 nginx-0.0.7-2004-07-05-10:55:54 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
134
d0451e402e27 nginx-0.0.7-2004-07-05-10:55:54 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
135
d0451e402e27 nginx-0.0.7-2004-07-05-10:55:54 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
136 ngx_int_t ngx_mutex_trylock(ngx_mutex_t *m)
d0451e402e27 nginx-0.0.7-2004-07-05-10:55:54 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
137 {
d0451e402e27 nginx-0.0.7-2004-07-05-10:55:54 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
138 int err;
d0451e402e27 nginx-0.0.7-2004-07-05-10:55:54 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
139
d0451e402e27 nginx-0.0.7-2004-07-05-10:55:54 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
140 if (!ngx_threaded) {
d0451e402e27 nginx-0.0.7-2004-07-05-10:55:54 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
141 return NGX_OK;
d0451e402e27 nginx-0.0.7-2004-07-05-10:55:54 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
142 }
d0451e402e27 nginx-0.0.7-2004-07-05-10:55:54 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
143
461
a88a3e4e158f nginx-0.1.5-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 444
diff changeset
144 ngx_log_debug1(NGX_LOG_DEBUG_MUTEX, m->log, 0, "try lock mutex %p", m);
376
d0451e402e27 nginx-0.0.7-2004-07-05-10:55:54 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
145
d0451e402e27 nginx-0.0.7-2004-07-05-10:55:54 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
146 err = pthread_mutex_trylock(&m->mutex);
d0451e402e27 nginx-0.0.7-2004-07-05-10:55:54 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
147
391
b670db10cbbd nginx-0.0.7-2004-07-14-20:01:42 import
Igor Sysoev <igor@sysoev.ru>
parents: 379
diff changeset
148 if (err == NGX_EBUSY) {
b670db10cbbd nginx-0.0.7-2004-07-14-20:01:42 import
Igor Sysoev <igor@sysoev.ru>
parents: 379
diff changeset
149 return NGX_AGAIN;
b670db10cbbd nginx-0.0.7-2004-07-14-20:01:42 import
Igor Sysoev <igor@sysoev.ru>
parents: 379
diff changeset
150 }
b670db10cbbd nginx-0.0.7-2004-07-14-20:01:42 import
Igor Sysoev <igor@sysoev.ru>
parents: 379
diff changeset
151
376
d0451e402e27 nginx-0.0.7-2004-07-05-10:55:54 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
152 if (err != 0) {
d0451e402e27 nginx-0.0.7-2004-07-05-10:55:54 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
153 ngx_log_error(NGX_LOG_ALERT, m->log, err,
461
a88a3e4e158f nginx-0.1.5-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 444
diff changeset
154 "pthread_mutex_trylock(%p) failed", m);
376
d0451e402e27 nginx-0.0.7-2004-07-05-10:55:54 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
155 return NGX_ERROR;
d0451e402e27 nginx-0.0.7-2004-07-05-10:55:54 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
156 }
d0451e402e27 nginx-0.0.7-2004-07-05-10:55:54 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
157
461
a88a3e4e158f nginx-0.1.5-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 444
diff changeset
158 ngx_log_debug1(NGX_LOG_DEBUG_MUTEX, m->log, 0, "mutex %p is locked", m);
376
d0451e402e27 nginx-0.0.7-2004-07-05-10:55:54 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
159
d0451e402e27 nginx-0.0.7-2004-07-05-10:55:54 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
160 return NGX_OK;
d0451e402e27 nginx-0.0.7-2004-07-05-10:55:54 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
161 }
d0451e402e27 nginx-0.0.7-2004-07-05-10:55:54 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
162
d0451e402e27 nginx-0.0.7-2004-07-05-10:55:54 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
163
d0451e402e27 nginx-0.0.7-2004-07-05-10:55:54 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
164 ngx_int_t ngx_mutex_unlock(ngx_mutex_t *m)
d0451e402e27 nginx-0.0.7-2004-07-05-10:55:54 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
165 {
d0451e402e27 nginx-0.0.7-2004-07-05-10:55:54 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
166 int err;
d0451e402e27 nginx-0.0.7-2004-07-05-10:55:54 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
167
d0451e402e27 nginx-0.0.7-2004-07-05-10:55:54 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
168 if (!ngx_threaded) {
d0451e402e27 nginx-0.0.7-2004-07-05-10:55:54 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
169 return NGX_OK;
d0451e402e27 nginx-0.0.7-2004-07-05-10:55:54 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
170 }
d0451e402e27 nginx-0.0.7-2004-07-05-10:55:54 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
171
461
a88a3e4e158f nginx-0.1.5-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 444
diff changeset
172 ngx_log_debug1(NGX_LOG_DEBUG_MUTEX, m->log, 0, "unlock mutex %p", m);
376
d0451e402e27 nginx-0.0.7-2004-07-05-10:55:54 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
173
d0451e402e27 nginx-0.0.7-2004-07-05-10:55:54 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
174 err = pthread_mutex_unlock(&m->mutex);
d0451e402e27 nginx-0.0.7-2004-07-05-10:55:54 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
175
d0451e402e27 nginx-0.0.7-2004-07-05-10:55:54 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
176 if (err != 0) {
d0451e402e27 nginx-0.0.7-2004-07-05-10:55:54 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
177 ngx_log_error(NGX_LOG_ALERT, m->log, err,
461
a88a3e4e158f nginx-0.1.5-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 444
diff changeset
178 "pthread_mutex_unlock(%p) failed", m);
376
d0451e402e27 nginx-0.0.7-2004-07-05-10:55:54 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
179 return NGX_ERROR;
d0451e402e27 nginx-0.0.7-2004-07-05-10:55:54 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
180 }
d0451e402e27 nginx-0.0.7-2004-07-05-10:55:54 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
181
461
a88a3e4e158f nginx-0.1.5-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 444
diff changeset
182 ngx_log_debug1(NGX_LOG_DEBUG_MUTEX, m->log, 0, "mutex %p is unlocked", m);
376
d0451e402e27 nginx-0.0.7-2004-07-05-10:55:54 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
183
d0451e402e27 nginx-0.0.7-2004-07-05-10:55:54 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
184 return NGX_OK;
d0451e402e27 nginx-0.0.7-2004-07-05-10:55:54 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
185 }
d0451e402e27 nginx-0.0.7-2004-07-05-10:55:54 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
186
d0451e402e27 nginx-0.0.7-2004-07-05-10:55:54 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
187
d0451e402e27 nginx-0.0.7-2004-07-05-10:55:54 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
188 ngx_cond_t *ngx_cond_init(ngx_log_t *log)
d0451e402e27 nginx-0.0.7-2004-07-05-10:55:54 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
189 {
d0451e402e27 nginx-0.0.7-2004-07-05-10:55:54 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
190 int err;
d0451e402e27 nginx-0.0.7-2004-07-05-10:55:54 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
191 ngx_cond_t *cv;
d0451e402e27 nginx-0.0.7-2004-07-05-10:55:54 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
192
501
d4ea69372b94 nginx-0.1.25-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 461
diff changeset
193 cv = ngx_alloc(sizeof(ngx_cond_t), log);
d4ea69372b94 nginx-0.1.25-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 461
diff changeset
194 if (cv == NULL) {
376
d0451e402e27 nginx-0.0.7-2004-07-05-10:55:54 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
195 return NULL;
d0451e402e27 nginx-0.0.7-2004-07-05-10:55:54 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
196 }
d0451e402e27 nginx-0.0.7-2004-07-05-10:55:54 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
197
d0451e402e27 nginx-0.0.7-2004-07-05-10:55:54 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
198 cv->log = log;
d0451e402e27 nginx-0.0.7-2004-07-05-10:55:54 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
199
d0451e402e27 nginx-0.0.7-2004-07-05-10:55:54 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
200 err = pthread_cond_init(&cv->cond, NULL);
d0451e402e27 nginx-0.0.7-2004-07-05-10:55:54 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
201
d0451e402e27 nginx-0.0.7-2004-07-05-10:55:54 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
202 if (err != 0) {
d0451e402e27 nginx-0.0.7-2004-07-05-10:55:54 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
203 ngx_log_error(NGX_LOG_ALERT, cv->log, err,
d0451e402e27 nginx-0.0.7-2004-07-05-10:55:54 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
204 "pthread_cond_init() failed");
d0451e402e27 nginx-0.0.7-2004-07-05-10:55:54 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
205 return NULL;
d0451e402e27 nginx-0.0.7-2004-07-05-10:55:54 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
206 }
d0451e402e27 nginx-0.0.7-2004-07-05-10:55:54 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
207
d0451e402e27 nginx-0.0.7-2004-07-05-10:55:54 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
208 return cv;
d0451e402e27 nginx-0.0.7-2004-07-05-10:55:54 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
209 }
d0451e402e27 nginx-0.0.7-2004-07-05-10:55:54 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
210
d0451e402e27 nginx-0.0.7-2004-07-05-10:55:54 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
211
d0451e402e27 nginx-0.0.7-2004-07-05-10:55:54 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
212 void ngx_cond_destroy(ngx_cond_t *cv)
d0451e402e27 nginx-0.0.7-2004-07-05-10:55:54 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
213 {
d0451e402e27 nginx-0.0.7-2004-07-05-10:55:54 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
214 int err;
d0451e402e27 nginx-0.0.7-2004-07-05-10:55:54 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
215
d0451e402e27 nginx-0.0.7-2004-07-05-10:55:54 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
216 err = pthread_cond_destroy(&cv->cond);
d0451e402e27 nginx-0.0.7-2004-07-05-10:55:54 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
217
d0451e402e27 nginx-0.0.7-2004-07-05-10:55:54 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
218 if (err != 0) {
d0451e402e27 nginx-0.0.7-2004-07-05-10:55:54 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
219 ngx_log_error(NGX_LOG_ALERT, cv->log, err,
461
a88a3e4e158f nginx-0.1.5-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 444
diff changeset
220 "pthread_cond_destroy(%p) failed", cv);
376
d0451e402e27 nginx-0.0.7-2004-07-05-10:55:54 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
221 }
d0451e402e27 nginx-0.0.7-2004-07-05-10:55:54 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
222
d0451e402e27 nginx-0.0.7-2004-07-05-10:55:54 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
223 ngx_free(cv);
d0451e402e27 nginx-0.0.7-2004-07-05-10:55:54 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
224 }
d0451e402e27 nginx-0.0.7-2004-07-05-10:55:54 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
225
d0451e402e27 nginx-0.0.7-2004-07-05-10:55:54 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
226
d0451e402e27 nginx-0.0.7-2004-07-05-10:55:54 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
227 ngx_int_t ngx_cond_wait(ngx_cond_t *cv, ngx_mutex_t *m)
d0451e402e27 nginx-0.0.7-2004-07-05-10:55:54 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
228 {
d0451e402e27 nginx-0.0.7-2004-07-05-10:55:54 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
229 int err;
d0451e402e27 nginx-0.0.7-2004-07-05-10:55:54 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
230
461
a88a3e4e158f nginx-0.1.5-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 444
diff changeset
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>
parents:
diff changeset
232
d0451e402e27 nginx-0.0.7-2004-07-05-10:55:54 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
233 err = pthread_cond_wait(&cv->cond, &m->mutex);
d0451e402e27 nginx-0.0.7-2004-07-05-10:55:54 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
234
d0451e402e27 nginx-0.0.7-2004-07-05-10:55:54 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
235 if (err != 0) {
d0451e402e27 nginx-0.0.7-2004-07-05-10:55:54 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
236 ngx_log_error(NGX_LOG_ALERT, cv->log, err,
461
a88a3e4e158f nginx-0.1.5-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 444
diff changeset
237 "pthread_cond_wait(%p) failed", cv);
376
d0451e402e27 nginx-0.0.7-2004-07-05-10:55:54 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
238 return NGX_ERROR;
d0451e402e27 nginx-0.0.7-2004-07-05-10:55:54 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
239 }
d0451e402e27 nginx-0.0.7-2004-07-05-10:55:54 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
240
461
a88a3e4e158f nginx-0.1.5-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 444
diff changeset
241 ngx_log_debug1(NGX_LOG_DEBUG_CORE, cv->log, 0, "cv %p is waked up", cv);
376
d0451e402e27 nginx-0.0.7-2004-07-05-10:55:54 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
242
461
a88a3e4e158f nginx-0.1.5-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 444
diff changeset
243 ngx_log_debug1(NGX_LOG_DEBUG_MUTEX, m->log, 0, "mutex %p is locked", m);
376
d0451e402e27 nginx-0.0.7-2004-07-05-10:55:54 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
244
d0451e402e27 nginx-0.0.7-2004-07-05-10:55:54 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
245 return NGX_OK;
d0451e402e27 nginx-0.0.7-2004-07-05-10:55:54 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
246 }
d0451e402e27 nginx-0.0.7-2004-07-05-10:55:54 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
247
d0451e402e27 nginx-0.0.7-2004-07-05-10:55:54 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
248
d0451e402e27 nginx-0.0.7-2004-07-05-10:55:54 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
249 ngx_int_t ngx_cond_signal(ngx_cond_t *cv)
d0451e402e27 nginx-0.0.7-2004-07-05-10:55:54 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
250 {
d0451e402e27 nginx-0.0.7-2004-07-05-10:55:54 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
251 int err;
d0451e402e27 nginx-0.0.7-2004-07-05-10:55:54 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
252
461
a88a3e4e158f nginx-0.1.5-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 444
diff changeset
253 ngx_log_debug1(NGX_LOG_DEBUG_CORE, cv->log, 0, "cv %p to signal", cv);
376
d0451e402e27 nginx-0.0.7-2004-07-05-10:55:54 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
254
d0451e402e27 nginx-0.0.7-2004-07-05-10:55:54 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
255 err = pthread_cond_signal(&cv->cond);
d0451e402e27 nginx-0.0.7-2004-07-05-10:55:54 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
256
d0451e402e27 nginx-0.0.7-2004-07-05-10:55:54 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
257 if (err != 0) {
d0451e402e27 nginx-0.0.7-2004-07-05-10:55:54 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
258 ngx_log_error(NGX_LOG_ALERT, cv->log, err,
461
a88a3e4e158f nginx-0.1.5-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 444
diff changeset
259 "pthread_cond_signal(%p) failed", cv);
376
d0451e402e27 nginx-0.0.7-2004-07-05-10:55:54 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
260 return NGX_ERROR;
d0451e402e27 nginx-0.0.7-2004-07-05-10:55:54 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
261 }
d0451e402e27 nginx-0.0.7-2004-07-05-10:55:54 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
262
461
a88a3e4e158f nginx-0.1.5-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 444
diff changeset
263 ngx_log_debug1(NGX_LOG_DEBUG_CORE, cv->log, 0, "cv %p is signaled", cv);
376
d0451e402e27 nginx-0.0.7-2004-07-05-10:55:54 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
264
d0451e402e27 nginx-0.0.7-2004-07-05-10:55:54 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
265 return NGX_OK;
d0451e402e27 nginx-0.0.7-2004-07-05-10:55:54 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
266 }