Mercurial > hg > nginx

annotate src/os/unix/ngx_pthread_thread.c @ 376:d0451e402e27

Find changesets by keywords (author, files, the commit message), revision number or hash, or revset expression.
nginx-0.0.7-2004-07-05-10:55:54 import
author Igor Sysoev <igor@sysoev.ru>
date Mon, 05 Jul 2004 06:55:54 +0000
parents
children 73688d5d7fc3
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
rev   line source
376
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
Igor Sysoev <igor@sysoev.ru>
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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
Igor Sysoev <igor@sysoev.ru>
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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
Igor Sysoev <igor@sysoev.ru>
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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
Igor Sysoev <igor@sysoev.ru>
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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
Igor Sysoev <igor@sysoev.ru>
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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
Igor Sysoev <igor@sysoev.ru>
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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
Igor Sysoev <igor@sysoev.ru>
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35
d0451e402e27 nginx-0.0.7-2004-07-05-10:55:54 import
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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);
d0451e402e27 nginx-0.0.7-2004-07-05-10:55:54 import
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38
d0451e402e27 nginx-0.0.7-2004-07-05-10:55:54 import
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39 nthreads++;
d0451e402e27 nginx-0.0.7-2004-07-05-10:55:54 import
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40
d0451e402e27 nginx-0.0.7-2004-07-05-10:55:54 import
Igor Sysoev <igor@sysoev.ru>
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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
Igor Sysoev <igor@sysoev.ru>
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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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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
Igor Sysoev <igor@sysoev.ru>
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51 err = pthread_attr_init(&thr_attr);
d0451e402e27 nginx-0.0.7-2004-07-05-10:55:54 import
Igor Sysoev <igor@sysoev.ru>
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52
d0451e402e27 nginx-0.0.7-2004-07-05-10:55:54 import
Igor Sysoev <igor@sysoev.ru>
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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 }
d0451e402e27 nginx-0.0.7-2004-07-05-10:55:54 import
Igor Sysoev <igor@sysoev.ru>
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58
d0451e402e27 nginx-0.0.7-2004-07-05-10:55:54 import
Igor Sysoev <igor@sysoev.ru>
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59 err = pthread_attr_setstacksize(&thr_attr, size);
d0451e402e27 nginx-0.0.7-2004-07-05-10:55:54 import
Igor Sysoev <igor@sysoev.ru>
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60
d0451e402e27 nginx-0.0.7-2004-07-05-10:55:54 import
Igor Sysoev <igor@sysoev.ru>
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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 }
d0451e402e27 nginx-0.0.7-2004-07-05-10:55:54 import
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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
d0451e402e27 nginx-0.0.7-2004-07-05-10:55:54 import
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69 return NGX_OK;
d0451e402e27 nginx-0.0.7-2004-07-05-10:55:54 import
Igor Sysoev <igor@sysoev.ru>
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70 }
d0451e402e27 nginx-0.0.7-2004-07-05-10:55:54 import
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71
d0451e402e27 nginx-0.0.7-2004-07-05-10:55:54 import
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72
d0451e402e27 nginx-0.0.7-2004-07-05-10:55:54 import
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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 {
d0451e402e27 nginx-0.0.7-2004-07-05-10:55:54 import
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75 int err;
d0451e402e27 nginx-0.0.7-2004-07-05-10:55:54 import
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76 ngx_mutex_t *m;
d0451e402e27 nginx-0.0.7-2004-07-05-10:55:54 import
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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))) {
d0451e402e27 nginx-0.0.7-2004-07-05-10:55:54 import
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79 return NULL;
d0451e402e27 nginx-0.0.7-2004-07-05-10:55:54 import
Igor Sysoev <igor@sysoev.ru>
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80 }
d0451e402e27 nginx-0.0.7-2004-07-05-10:55:54 import
Igor Sysoev <igor@sysoev.ru>
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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;
d0451e402e27 nginx-0.0.7-2004-07-05-10:55:54 import
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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
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86 if (err != 0) {
d0451e402e27 nginx-0.0.7-2004-07-05-10:55:54 import
Igor Sysoev <igor@sysoev.ru>
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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
Igor Sysoev <igor@sysoev.ru>
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94
d0451e402e27 nginx-0.0.7-2004-07-05-10:55:54 import
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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
Igor Sysoev <igor@sysoev.ru>
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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
Igor Sysoev <igor@sysoev.ru>
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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 }
d0451e402e27 nginx-0.0.7-2004-07-05-10:55:54 import
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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;
d0451e402e27 nginx-0.0.7-2004-07-05-10:55:54 import
Igor Sysoev <igor@sysoev.ru>
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117 }
d0451e402e27 nginx-0.0.7-2004-07-05-10:55:54 import
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118
d0451e402e27 nginx-0.0.7-2004-07-05-10:55:54 import
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119 ngx_log_debug1(NGX_LOG_DEBUG_CORE, m->log, 0, "lock mutex " PTR_FMT, m);
d0451e402e27 nginx-0.0.7-2004-07-05-10:55:54 import
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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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parents:
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
d0451e402e27 nginx-0.0.7-2004-07-05-10:55:54 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
129 ngx_log_debug1(NGX_LOG_DEBUG_CORE, m->log, 0,
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
d0451e402e27 nginx-0.0.7-2004-07-05-10:55:54 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
144 ngx_log_debug1(NGX_LOG_DEBUG_CORE, m->log, 0, "try lock mutex " PTR_FMT, m);
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
d0451e402e27 nginx-0.0.7-2004-07-05-10:55:54 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
148 if (err != 0) {
d0451e402e27 nginx-0.0.7-2004-07-05-10:55:54 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
149 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
150 "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
151 return NGX_ERROR;
d0451e402e27 nginx-0.0.7-2004-07-05-10:55:54 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
152 }
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 ngx_log_debug1(NGX_LOG_DEBUG_CORE, m->log, 0,
d0451e402e27 nginx-0.0.7-2004-07-05-10:55:54 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
155 "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
156
d0451e402e27 nginx-0.0.7-2004-07-05-10:55:54 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
157 return NGX_OK;
d0451e402e27 nginx-0.0.7-2004-07-05-10:55:54 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
158 }
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 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
162 {
d0451e402e27 nginx-0.0.7-2004-07-05-10:55:54 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
163 int err;
d0451e402e27 nginx-0.0.7-2004-07-05-10:55:54 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
164
d0451e402e27 nginx-0.0.7-2004-07-05-10:55:54 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
165 if (!ngx_threaded) {
d0451e402e27 nginx-0.0.7-2004-07-05-10:55:54 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
166 return NGX_OK;
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
d0451e402e27 nginx-0.0.7-2004-07-05-10:55:54 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
169 ngx_log_debug1(NGX_LOG_DEBUG_CORE, m->log, 0, "unlock mutex " PTR_FMT, m);
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 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
172
d0451e402e27 nginx-0.0.7-2004-07-05-10:55:54 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
173 if (err != 0) {
d0451e402e27 nginx-0.0.7-2004-07-05-10:55:54 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
174 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
175 "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
176 return NGX_ERROR;
d0451e402e27 nginx-0.0.7-2004-07-05-10:55:54 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
177 }
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 ngx_log_debug1(NGX_LOG_DEBUG_CORE, m->log, 0,
d0451e402e27 nginx-0.0.7-2004-07-05-10:55:54 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
180 "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
181
d0451e402e27 nginx-0.0.7-2004-07-05-10:55:54 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
182 return NGX_OK;
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
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 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
187 {
d0451e402e27 nginx-0.0.7-2004-07-05-10:55:54 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
188 int err;
d0451e402e27 nginx-0.0.7-2004-07-05-10:55:54 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
189 ngx_cond_t *cv;
d0451e402e27 nginx-0.0.7-2004-07-05-10:55:54 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
190
d0451e402e27 nginx-0.0.7-2004-07-05-10:55:54 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
191 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
192 return NULL;
d0451e402e27 nginx-0.0.7-2004-07-05-10:55:54 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
193 }
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 cv->log = log;
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 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
198
d0451e402e27 nginx-0.0.7-2004-07-05-10:55:54 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
199 if (err != 0) {
d0451e402e27 nginx-0.0.7-2004-07-05-10:55:54 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
200 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
201 "pthread_cond_init() failed");
d0451e402e27 nginx-0.0.7-2004-07-05-10:55:54 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
202 return NULL;
d0451e402e27 nginx-0.0.7-2004-07-05-10:55:54 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
203 }
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 return cv;
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
d0451e402e27 nginx-0.0.7-2004-07-05-10:55:54 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
209 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
210 {
d0451e402e27 nginx-0.0.7-2004-07-05-10:55:54 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
211 int err;
d0451e402e27 nginx-0.0.7-2004-07-05-10:55:54 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
212
d0451e402e27 nginx-0.0.7-2004-07-05-10:55:54 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
213 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
214
d0451e402e27 nginx-0.0.7-2004-07-05-10:55:54 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
215 if (err != 0) {
d0451e402e27 nginx-0.0.7-2004-07-05-10:55:54 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
216 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
217 "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
218 }
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 ngx_free(cv);
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
d0451e402e27 nginx-0.0.7-2004-07-05-10:55:54 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
224 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
225 {
d0451e402e27 nginx-0.0.7-2004-07-05-10:55:54 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
226 int err;
d0451e402e27 nginx-0.0.7-2004-07-05-10:55:54 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
227
d0451e402e27 nginx-0.0.7-2004-07-05-10:55:54 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
228 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
229 "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
230
d0451e402e27 nginx-0.0.7-2004-07-05-10:55:54 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
231 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
232
d0451e402e27 nginx-0.0.7-2004-07-05-10:55:54 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
233 if (err != 0) {
d0451e402e27 nginx-0.0.7-2004-07-05-10:55:54 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
234 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
235 "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
236 return NGX_ERROR;
d0451e402e27 nginx-0.0.7-2004-07-05-10:55:54 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
237 }
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 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
240 "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
241
d0451e402e27 nginx-0.0.7-2004-07-05-10:55:54 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
242 ngx_log_debug1(NGX_LOG_DEBUG_CORE, m->log, 0,
d0451e402e27 nginx-0.0.7-2004-07-05-10:55:54 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
243 "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
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
d0451e402e27 nginx-0.0.7-2004-07-05-10:55:54 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
253 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
254 "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
255
d0451e402e27 nginx-0.0.7-2004-07-05-10:55:54 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
256 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
257
d0451e402e27 nginx-0.0.7-2004-07-05-10:55:54 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
258 if (err != 0) {
d0451e402e27 nginx-0.0.7-2004-07-05-10:55:54 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
259 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
260 "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
261 return NGX_ERROR;
d0451e402e27 nginx-0.0.7-2004-07-05-10:55:54 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
262 }
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 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
265 "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
266
d0451e402e27 nginx-0.0.7-2004-07-05-10:55:54 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
267 return NGX_OK;
d0451e402e27 nginx-0.0.7-2004-07-05-10:55:54 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
268 }