annotate src/os/unix/ngx_pthread_thread.c @ 379:73688d5d7fc3

nginx-0.0.7-2004-07-06-20:12:16 import
author Igor Sysoev <igor@sysoev.ru>
date Tue, 06 Jul 2004 16:12:16 +0000
parents d0451e402e27
children b670db10cbbd
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
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d0451e402e27 nginx-0.0.7-2004-07-05-10:55:54 import
Igor Sysoev <igor@sysoev.ru>
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1
d0451e402e27 nginx-0.0.7-2004-07-05-10:55:54 import
Igor Sysoev <igor@sysoev.ru>
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2 /*
d0451e402e27 nginx-0.0.7-2004-07-05-10:55:54 import
Igor Sysoev <igor@sysoev.ru>
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3 * Copyright (C) 2002-2004 Igor Sysoev, http://sysoev.ru/en/
d0451e402e27 nginx-0.0.7-2004-07-05-10:55:54 import
Igor Sysoev <igor@sysoev.ru>
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4 */
d0451e402e27 nginx-0.0.7-2004-07-05-10:55:54 import
Igor Sysoev <igor@sysoev.ru>
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5
d0451e402e27 nginx-0.0.7-2004-07-05-10:55:54 import
Igor Sysoev <igor@sysoev.ru>
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6
d0451e402e27 nginx-0.0.7-2004-07-05-10:55:54 import
Igor Sysoev <igor@sysoev.ru>
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7 #include <ngx_config.h>
d0451e402e27 nginx-0.0.7-2004-07-05-10:55:54 import
Igor Sysoev <igor@sysoev.ru>
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8 #include <ngx_core.h>
d0451e402e27 nginx-0.0.7-2004-07-05-10:55:54 import
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9
d0451e402e27 nginx-0.0.7-2004-07-05-10:55:54 import
Igor Sysoev <igor@sysoev.ru>
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10
d0451e402e27 nginx-0.0.7-2004-07-05-10:55:54 import
Igor Sysoev <igor@sysoev.ru>
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11 static ngx_uint_t nthreads;
d0451e402e27 nginx-0.0.7-2004-07-05-10:55:54 import
Igor Sysoev <igor@sysoev.ru>
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12 static ngx_uint_t max_threads;
d0451e402e27 nginx-0.0.7-2004-07-05-10:55:54 import
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13
d0451e402e27 nginx-0.0.7-2004-07-05-10:55:54 import
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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;
d0451e402e27 nginx-0.0.7-2004-07-05-10:55:54 import
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16
d0451e402e27 nginx-0.0.7-2004-07-05-10:55:54 import
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17
d0451e402e27 nginx-0.0.7-2004-07-05-10:55:54 import
Igor Sysoev <igor@sysoev.ru>
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18 int ngx_create_thread(ngx_tid_t *tid, void* (*func)(void *arg), void *arg,
d0451e402e27 nginx-0.0.7-2004-07-05-10:55:54 import
Igor Sysoev <igor@sysoev.ru>
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19 ngx_log_t *log)
d0451e402e27 nginx-0.0.7-2004-07-05-10:55:54 import
Igor Sysoev <igor@sysoev.ru>
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20 {
d0451e402e27 nginx-0.0.7-2004-07-05-10:55:54 import
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21 int err;
d0451e402e27 nginx-0.0.7-2004-07-05-10:55:54 import
Igor Sysoev <igor@sysoev.ru>
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22
d0451e402e27 nginx-0.0.7-2004-07-05-10:55:54 import
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23 if (nthreads >= max_threads) {
d0451e402e27 nginx-0.0.7-2004-07-05-10:55:54 import
Igor Sysoev <igor@sysoev.ru>
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24 ngx_log_error(NGX_LOG_CRIT, log, 0,
d0451e402e27 nginx-0.0.7-2004-07-05-10:55:54 import
Igor Sysoev <igor@sysoev.ru>
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25 "no more than %d threads can be created", max_threads);
d0451e402e27 nginx-0.0.7-2004-07-05-10:55:54 import
Igor Sysoev <igor@sysoev.ru>
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26 return NGX_ERROR;
d0451e402e27 nginx-0.0.7-2004-07-05-10:55:54 import
Igor Sysoev <igor@sysoev.ru>
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27 }
d0451e402e27 nginx-0.0.7-2004-07-05-10:55:54 import
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28
d0451e402e27 nginx-0.0.7-2004-07-05-10:55:54 import
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29 err = pthread_create(tid, &thr_attr, func, arg);
d0451e402e27 nginx-0.0.7-2004-07-05-10:55:54 import
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30
d0451e402e27 nginx-0.0.7-2004-07-05-10:55:54 import
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31 if (err != 0) {
d0451e402e27 nginx-0.0.7-2004-07-05-10:55:54 import
Igor Sysoev <igor@sysoev.ru>
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32 ngx_log_error(NGX_LOG_ALERT, log, err, "pthread_create() failed");
d0451e402e27 nginx-0.0.7-2004-07-05-10:55:54 import
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33 return err;
d0451e402e27 nginx-0.0.7-2004-07-05-10:55:54 import
Igor Sysoev <igor@sysoev.ru>
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34 }
d0451e402e27 nginx-0.0.7-2004-07-05-10:55:54 import
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35
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36 ngx_log_debug1(NGX_LOG_DEBUG_CORE, log, 0,
d0451e402e27 nginx-0.0.7-2004-07-05-10:55:54 import
Igor Sysoev <igor@sysoev.ru>
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37 "thread is created: " TID_T_FMT, *tid);
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38
d0451e402e27 nginx-0.0.7-2004-07-05-10:55:54 import
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39 nthreads++;
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40
d0451e402e27 nginx-0.0.7-2004-07-05-10:55:54 import
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41 return err;
d0451e402e27 nginx-0.0.7-2004-07-05-10:55:54 import
Igor Sysoev <igor@sysoev.ru>
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42 }
d0451e402e27 nginx-0.0.7-2004-07-05-10:55:54 import
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d0451e402e27 nginx-0.0.7-2004-07-05-10:55:54 import
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44
d0451e402e27 nginx-0.0.7-2004-07-05-10:55:54 import
Igor Sysoev <igor@sysoev.ru>
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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
Igor Sysoev <igor@sysoev.ru>
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46 {
d0451e402e27 nginx-0.0.7-2004-07-05-10:55:54 import
Igor Sysoev <igor@sysoev.ru>
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47 int err;
d0451e402e27 nginx-0.0.7-2004-07-05-10:55:54 import
Igor Sysoev <igor@sysoev.ru>
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48
d0451e402e27 nginx-0.0.7-2004-07-05-10:55:54 import
Igor Sysoev <igor@sysoev.ru>
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49 max_threads = n;
d0451e402e27 nginx-0.0.7-2004-07-05-10:55:54 import
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50
d0451e402e27 nginx-0.0.7-2004-07-05-10:55:54 import
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51 err = pthread_attr_init(&thr_attr);
d0451e402e27 nginx-0.0.7-2004-07-05-10:55:54 import
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52
d0451e402e27 nginx-0.0.7-2004-07-05-10:55:54 import
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53 if (err != 0) {
d0451e402e27 nginx-0.0.7-2004-07-05-10:55:54 import
Igor Sysoev <igor@sysoev.ru>
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54 ngx_log_error(NGX_LOG_ALERT, cycle->log, err,
d0451e402e27 nginx-0.0.7-2004-07-05-10:55:54 import
Igor Sysoev <igor@sysoev.ru>
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55 "pthread_attr_init() failed");
d0451e402e27 nginx-0.0.7-2004-07-05-10:55:54 import
Igor Sysoev <igor@sysoev.ru>
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56 return NGX_ERROR;
d0451e402e27 nginx-0.0.7-2004-07-05-10:55:54 import
Igor Sysoev <igor@sysoev.ru>
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57 }
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58
d0451e402e27 nginx-0.0.7-2004-07-05-10:55:54 import
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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) {
d0451e402e27 nginx-0.0.7-2004-07-05-10:55:54 import
Igor Sysoev <igor@sysoev.ru>
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62 ngx_log_error(NGX_LOG_ALERT, cycle->log, err,
d0451e402e27 nginx-0.0.7-2004-07-05-10:55:54 import
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63 "pthread_attr_setstacksize() failed");
d0451e402e27 nginx-0.0.7-2004-07-05-10:55:54 import
Igor Sysoev <igor@sysoev.ru>
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64 return NGX_ERROR;
d0451e402e27 nginx-0.0.7-2004-07-05-10:55:54 import
Igor Sysoev <igor@sysoev.ru>
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65 }
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66
d0451e402e27 nginx-0.0.7-2004-07-05-10:55:54 import
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67 ngx_threaded = 1;
d0451e402e27 nginx-0.0.7-2004-07-05-10:55:54 import
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68
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69 return NGX_OK;
d0451e402e27 nginx-0.0.7-2004-07-05-10:55:54 import
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70 }
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71
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72
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73 ngx_mutex_t *ngx_mutex_init(ngx_log_t *log, uint flags)
d0451e402e27 nginx-0.0.7-2004-07-05-10:55:54 import
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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
d0451e402e27 nginx-0.0.7-2004-07-05-10:55:54 import
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78 if (!(m = ngx_alloc(sizeof(ngx_mutex_t), log))) {
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79 return NULL;
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80 }
d0451e402e27 nginx-0.0.7-2004-07-05-10:55:54 import
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81
d0451e402e27 nginx-0.0.7-2004-07-05-10:55:54 import
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82 m->log = log;
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83
d0451e402e27 nginx-0.0.7-2004-07-05-10:55:54 import
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84 err = pthread_mutex_init(&m->mutex, NULL);
d0451e402e27 nginx-0.0.7-2004-07-05-10:55:54 import
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85
d0451e402e27 nginx-0.0.7-2004-07-05-10:55:54 import
Igor Sysoev <igor@sysoev.ru>
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86 if (err != 0) {
d0451e402e27 nginx-0.0.7-2004-07-05-10:55:54 import
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87 ngx_log_error(NGX_LOG_ALERT, m->log, err,
d0451e402e27 nginx-0.0.7-2004-07-05-10:55:54 import
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88 "pthread_mutex_init() failed");
d0451e402e27 nginx-0.0.7-2004-07-05-10:55:54 import
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89 return NULL;
d0451e402e27 nginx-0.0.7-2004-07-05-10:55:54 import
Igor Sysoev <igor@sysoev.ru>
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90 }
d0451e402e27 nginx-0.0.7-2004-07-05-10:55:54 import
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91
d0451e402e27 nginx-0.0.7-2004-07-05-10:55:54 import
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92 return m;
d0451e402e27 nginx-0.0.7-2004-07-05-10:55:54 import
Igor Sysoev <igor@sysoev.ru>
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93 }
d0451e402e27 nginx-0.0.7-2004-07-05-10:55:54 import
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94
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95
d0451e402e27 nginx-0.0.7-2004-07-05-10:55:54 import
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96 void ngx_mutex_destroy(ngx_mutex_t *m)
d0451e402e27 nginx-0.0.7-2004-07-05-10:55:54 import
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97 {
d0451e402e27 nginx-0.0.7-2004-07-05-10:55:54 import
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98 int err;
d0451e402e27 nginx-0.0.7-2004-07-05-10:55:54 import
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99
d0451e402e27 nginx-0.0.7-2004-07-05-10:55:54 import
Igor Sysoev <igor@sysoev.ru>
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100 err = pthread_mutex_destroy(&m->mutex);
d0451e402e27 nginx-0.0.7-2004-07-05-10:55:54 import
Igor Sysoev <igor@sysoev.ru>
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101
d0451e402e27 nginx-0.0.7-2004-07-05-10:55:54 import
Igor Sysoev <igor@sysoev.ru>
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102 if (err != 0) {
d0451e402e27 nginx-0.0.7-2004-07-05-10:55:54 import
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103 ngx_log_error(NGX_LOG_ALERT, m->log, err,
d0451e402e27 nginx-0.0.7-2004-07-05-10:55:54 import
Igor Sysoev <igor@sysoev.ru>
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104 "pthread_mutex_destroy(" PTR_FMT ") failed", m);
d0451e402e27 nginx-0.0.7-2004-07-05-10:55:54 import
Igor Sysoev <igor@sysoev.ru>
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105 }
d0451e402e27 nginx-0.0.7-2004-07-05-10:55:54 import
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106
d0451e402e27 nginx-0.0.7-2004-07-05-10:55:54 import
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107 ngx_free(m);
d0451e402e27 nginx-0.0.7-2004-07-05-10:55:54 import
Igor Sysoev <igor@sysoev.ru>
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108 }
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109
d0451e402e27 nginx-0.0.7-2004-07-05-10:55:54 import
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110
d0451e402e27 nginx-0.0.7-2004-07-05-10:55:54 import
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111 ngx_int_t ngx_mutex_lock(ngx_mutex_t *m)
d0451e402e27 nginx-0.0.7-2004-07-05-10:55:54 import
Igor Sysoev <igor@sysoev.ru>
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112 {
d0451e402e27 nginx-0.0.7-2004-07-05-10:55:54 import
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113 int err;
d0451e402e27 nginx-0.0.7-2004-07-05-10:55:54 import
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114
d0451e402e27 nginx-0.0.7-2004-07-05-10:55:54 import
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115 if (!ngx_threaded) {
d0451e402e27 nginx-0.0.7-2004-07-05-10:55:54 import
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116 return NGX_OK;
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117 }
d0451e402e27 nginx-0.0.7-2004-07-05-10:55:54 import
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118
379
73688d5d7fc3 nginx-0.0.7-2004-07-06-20:12:16 import
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parents: 376
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119 ngx_log_debug1(NGX_LOG_DEBUG_MUTEX, m->log, 0, "lock mutex " PTR_FMT, m);
376
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120
d0451e402e27 nginx-0.0.7-2004-07-05-10:55:54 import
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121 err = pthread_mutex_lock(&m->mutex);
d0451e402e27 nginx-0.0.7-2004-07-05-10:55:54 import
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122
d0451e402e27 nginx-0.0.7-2004-07-05-10:55:54 import
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diff changeset
123 if (err != 0) {
d0451e402e27 nginx-0.0.7-2004-07-05-10:55:54 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
124 ngx_log_error(NGX_LOG_ALERT, m->log, err,
d0451e402e27 nginx-0.0.7-2004-07-05-10:55:54 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
125 "pthread_mutex_lock(" PTR_FMT ") failed", m);
d0451e402e27 nginx-0.0.7-2004-07-05-10:55:54 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
126 return NGX_ERROR;
d0451e402e27 nginx-0.0.7-2004-07-05-10:55:54 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
127 }
d0451e402e27 nginx-0.0.7-2004-07-05-10:55:54 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
128
379
73688d5d7fc3 nginx-0.0.7-2004-07-06-20:12:16 import
Igor Sysoev <igor@sysoev.ru>
parents: 376
diff changeset
129 ngx_log_debug1(NGX_LOG_DEBUG_MUTEX, m->log, 0,
376
d0451e402e27 nginx-0.0.7-2004-07-05-10:55:54 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
130 "mutex " PTR_FMT " is locked", m);
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
379
73688d5d7fc3 nginx-0.0.7-2004-07-06-20:12:16 import
Igor Sysoev <igor@sysoev.ru>
parents: 376
diff changeset
144 ngx_log_debug1(NGX_LOG_DEBUG_MUTEX, m->log, 0,
73688d5d7fc3 nginx-0.0.7-2004-07-06-20:12:16 import
Igor Sysoev <igor@sysoev.ru>
parents: 376
diff changeset
145 "try lock mutex " PTR_FMT, m);
376
d0451e402e27 nginx-0.0.7-2004-07-05-10:55:54 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
146
d0451e402e27 nginx-0.0.7-2004-07-05-10:55:54 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
147 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
148
d0451e402e27 nginx-0.0.7-2004-07-05-10:55:54 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
149 if (err != 0) {
d0451e402e27 nginx-0.0.7-2004-07-05-10:55:54 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
150 ngx_log_error(NGX_LOG_ALERT, m->log, err,
d0451e402e27 nginx-0.0.7-2004-07-05-10:55:54 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
151 "pthread_mutex_trylock(" PTR_FMT ") failed", m);
d0451e402e27 nginx-0.0.7-2004-07-05-10:55:54 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
152 return NGX_ERROR;
d0451e402e27 nginx-0.0.7-2004-07-05-10:55:54 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
153 }
d0451e402e27 nginx-0.0.7-2004-07-05-10:55:54 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
154
379
73688d5d7fc3 nginx-0.0.7-2004-07-06-20:12:16 import
Igor Sysoev <igor@sysoev.ru>
parents: 376
diff changeset
155 ngx_log_debug1(NGX_LOG_DEBUG_MUTEX, m->log, 0,
376
d0451e402e27 nginx-0.0.7-2004-07-05-10:55:54 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
156 "mutex " PTR_FMT " is locked", m);
d0451e402e27 nginx-0.0.7-2004-07-05-10:55:54 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
157
d0451e402e27 nginx-0.0.7-2004-07-05-10:55:54 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
158 return NGX_OK;
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
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 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
163 {
d0451e402e27 nginx-0.0.7-2004-07-05-10:55:54 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
164 int err;
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 if (!ngx_threaded) {
d0451e402e27 nginx-0.0.7-2004-07-05-10:55:54 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
167 return NGX_OK;
d0451e402e27 nginx-0.0.7-2004-07-05-10:55:54 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
168 }
d0451e402e27 nginx-0.0.7-2004-07-05-10:55:54 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
169
379
73688d5d7fc3 nginx-0.0.7-2004-07-06-20:12:16 import
Igor Sysoev <igor@sysoev.ru>
parents: 376
diff changeset
170 ngx_log_debug1(NGX_LOG_DEBUG_MUTEX, m->log, 0, "unlock mutex " PTR_FMT, m);
376
d0451e402e27 nginx-0.0.7-2004-07-05-10:55:54 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
171
d0451e402e27 nginx-0.0.7-2004-07-05-10:55:54 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
172 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
173
d0451e402e27 nginx-0.0.7-2004-07-05-10:55:54 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
174 if (err != 0) {
d0451e402e27 nginx-0.0.7-2004-07-05-10:55:54 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
175 ngx_log_error(NGX_LOG_ALERT, m->log, err,
d0451e402e27 nginx-0.0.7-2004-07-05-10:55:54 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
176 "pthread_mutex_unlock(" PTR_FMT ") failed", m);
d0451e402e27 nginx-0.0.7-2004-07-05-10:55:54 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
177 return NGX_ERROR;
d0451e402e27 nginx-0.0.7-2004-07-05-10:55:54 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
178 }
d0451e402e27 nginx-0.0.7-2004-07-05-10:55:54 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
179
379
73688d5d7fc3 nginx-0.0.7-2004-07-06-20:12:16 import
Igor Sysoev <igor@sysoev.ru>
parents: 376
diff changeset
180 ngx_log_debug1(NGX_LOG_DEBUG_MUTEX, m->log, 0,
376
d0451e402e27 nginx-0.0.7-2004-07-05-10:55:54 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
181 "mutex " PTR_FMT " is unlocked", m);
d0451e402e27 nginx-0.0.7-2004-07-05-10:55:54 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
182
d0451e402e27 nginx-0.0.7-2004-07-05-10:55:54 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
183 return NGX_OK;
d0451e402e27 nginx-0.0.7-2004-07-05-10:55:54 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
184 }
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 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
188 {
d0451e402e27 nginx-0.0.7-2004-07-05-10:55:54 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
189 int err;
d0451e402e27 nginx-0.0.7-2004-07-05-10:55:54 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
190 ngx_cond_t *cv;
d0451e402e27 nginx-0.0.7-2004-07-05-10:55:54 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
191
d0451e402e27 nginx-0.0.7-2004-07-05-10:55:54 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
192 if (!(cv = ngx_alloc(sizeof(ngx_cond_t), log))) {
d0451e402e27 nginx-0.0.7-2004-07-05-10:55:54 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
193 return NULL;
d0451e402e27 nginx-0.0.7-2004-07-05-10:55:54 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
194 }
d0451e402e27 nginx-0.0.7-2004-07-05-10:55:54 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
195
d0451e402e27 nginx-0.0.7-2004-07-05-10:55:54 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
196 cv->log = log;
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 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
199
d0451e402e27 nginx-0.0.7-2004-07-05-10:55:54 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
200 if (err != 0) {
d0451e402e27 nginx-0.0.7-2004-07-05-10:55:54 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
201 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
202 "pthread_cond_init() failed");
d0451e402e27 nginx-0.0.7-2004-07-05-10:55:54 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
203 return NULL;
d0451e402e27 nginx-0.0.7-2004-07-05-10:55:54 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
204 }
d0451e402e27 nginx-0.0.7-2004-07-05-10:55:54 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
205
d0451e402e27 nginx-0.0.7-2004-07-05-10:55:54 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
206 return cv;
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
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 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
211 {
d0451e402e27 nginx-0.0.7-2004-07-05-10:55:54 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
212 int err;
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 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
215
d0451e402e27 nginx-0.0.7-2004-07-05-10:55:54 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
216 if (err != 0) {
d0451e402e27 nginx-0.0.7-2004-07-05-10:55:54 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
217 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
218 "pthread_cond_destroy(" PTR_FMT ") failed", cv);
d0451e402e27 nginx-0.0.7-2004-07-05-10:55:54 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
219 }
d0451e402e27 nginx-0.0.7-2004-07-05-10:55:54 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
220
d0451e402e27 nginx-0.0.7-2004-07-05-10:55:54 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
221 ngx_free(cv);
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
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 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
226 {
d0451e402e27 nginx-0.0.7-2004-07-05-10:55:54 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
227 int err;
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 ngx_log_debug1(NGX_LOG_DEBUG_CORE, cv->log, 0,
d0451e402e27 nginx-0.0.7-2004-07-05-10:55:54 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
230 "cv " PTR_FMT " wait", cv);
d0451e402e27 nginx-0.0.7-2004-07-05-10:55:54 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
231
d0451e402e27 nginx-0.0.7-2004-07-05-10:55:54 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
232 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
233
d0451e402e27 nginx-0.0.7-2004-07-05-10:55:54 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
234 if (err != 0) {
d0451e402e27 nginx-0.0.7-2004-07-05-10:55:54 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
235 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
236 "pthread_cond_wait(" PTR_FMT ") failed", cv);
d0451e402e27 nginx-0.0.7-2004-07-05-10:55:54 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
237 return NGX_ERROR;
d0451e402e27 nginx-0.0.7-2004-07-05-10:55:54 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
238 }
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 ngx_log_debug1(NGX_LOG_DEBUG_CORE, cv->log, 0,
d0451e402e27 nginx-0.0.7-2004-07-05-10:55:54 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
241 "cv " PTR_FMT " is waked up", cv);
d0451e402e27 nginx-0.0.7-2004-07-05-10:55:54 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
242
379
73688d5d7fc3 nginx-0.0.7-2004-07-06-20:12:16 import
Igor Sysoev <igor@sysoev.ru>
parents: 376
diff changeset
243 ngx_log_debug1(NGX_LOG_DEBUG_MUTEX, m->log, 0,
376
d0451e402e27 nginx-0.0.7-2004-07-05-10:55:54 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
244 "mutex " PTR_FMT " is locked", m);
d0451e402e27 nginx-0.0.7-2004-07-05-10:55:54 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
245
d0451e402e27 nginx-0.0.7-2004-07-05-10:55:54 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
246 return NGX_OK;
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
d0451e402e27 nginx-0.0.7-2004-07-05-10:55:54 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
250 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
251 {
d0451e402e27 nginx-0.0.7-2004-07-05-10:55:54 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
252 int err;
d0451e402e27 nginx-0.0.7-2004-07-05-10:55:54 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
253
d0451e402e27 nginx-0.0.7-2004-07-05-10:55:54 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
254 ngx_log_debug1(NGX_LOG_DEBUG_CORE, cv->log, 0,
d0451e402e27 nginx-0.0.7-2004-07-05-10:55:54 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
255 "cv " PTR_FMT " to signal", cv);
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 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
258
d0451e402e27 nginx-0.0.7-2004-07-05-10:55:54 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
259 if (err != 0) {
d0451e402e27 nginx-0.0.7-2004-07-05-10:55:54 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
260 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
261 "pthread_cond_signal(" PTR_FMT ") failed", cv);
d0451e402e27 nginx-0.0.7-2004-07-05-10:55:54 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
262 return NGX_ERROR;
d0451e402e27 nginx-0.0.7-2004-07-05-10:55:54 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
263 }
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 ngx_log_debug1(NGX_LOG_DEBUG_CORE, cv->log, 0,
d0451e402e27 nginx-0.0.7-2004-07-05-10:55:54 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
266 "cv " PTR_FMT " is signaled", cv);
d0451e402e27 nginx-0.0.7-2004-07-05-10:55:54 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
267
d0451e402e27 nginx-0.0.7-2004-07-05-10:55:54 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
268 return NGX_OK;
d0451e402e27 nginx-0.0.7-2004-07-05-10:55:54 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
269 }