Mercurial > hg > nginx-quic
comparison src/os/unix/ngx_thread_cond.c @ 6018:466bd63b63d1
Thread pools implementation.
author | Valentin Bartenev <vbart@nginx.com> |
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date | Sat, 14 Mar 2015 17:37:07 +0300 |
parents | |
children | 022ea0d17177 |
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6017:83d54192e97b | 6018:466bd63b63d1 |
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1 | |
2 /* | |
3 * Copyright (C) Igor Sysoev | |
4 * Copyright (C) Nginx, Inc. | |
5 */ | |
6 | |
7 | |
8 #include <ngx_config.h> | |
9 #include <ngx_core.h> | |
10 | |
11 | |
12 ngx_int_t | |
13 ngx_thread_cond_create(ngx_thread_cond_t *cond, ngx_log_t *log) | |
14 { | |
15 ngx_err_t err; | |
16 | |
17 err = pthread_cond_init(cond, NULL); | |
18 if (err == 0) { | |
19 ngx_log_debug1(NGX_LOG_DEBUG_CORE, log, 0, | |
20 "pthread_cond_init(%p)", cond); | |
21 return NGX_OK; | |
22 } | |
23 | |
24 ngx_log_error(NGX_LOG_EMERG, log, err, "pthread_cond_init() failed"); | |
25 return NGX_ERROR; | |
26 } | |
27 | |
28 | |
29 ngx_int_t | |
30 ngx_thread_cond_destroy(ngx_thread_cond_t *cond, ngx_log_t *log) | |
31 { | |
32 ngx_err_t err; | |
33 | |
34 err = pthread_cond_destroy(cond); | |
35 if (err == 0) { | |
36 ngx_log_debug1(NGX_LOG_DEBUG_CORE, log, 0, | |
37 "pthread_cond_destroy(%p)", cond); | |
38 return NGX_OK; | |
39 } | |
40 | |
41 ngx_log_error(NGX_LOG_EMERG, log, err, "pthread_cond_destroy() failed"); | |
42 return NGX_ERROR; | |
43 } | |
44 | |
45 | |
46 ngx_int_t | |
47 ngx_thread_cond_signal(ngx_thread_cond_t *cond, ngx_log_t *log) | |
48 { | |
49 ngx_err_t err; | |
50 | |
51 err = pthread_cond_signal(cond); | |
52 if (err == 0) { | |
53 ngx_log_debug1(NGX_LOG_DEBUG_CORE, log, 0, | |
54 "pthread_cond_signal(%p)", cond); | |
55 return NGX_OK; | |
56 } | |
57 | |
58 ngx_log_error(NGX_LOG_EMERG, log, err, "pthread_cond_signal() failed"); | |
59 return NGX_ERROR; | |
60 } | |
61 | |
62 | |
63 ngx_int_t | |
64 ngx_thread_cond_wait(ngx_thread_cond_t *cond, ngx_thread_mutex_t *mtx, | |
65 ngx_log_t *log) | |
66 { | |
67 ngx_err_t err; | |
68 | |
69 ngx_log_debug1(NGX_LOG_DEBUG_CORE, log, 0, | |
70 "pthread_cond_wait(%p) enter", cond); | |
71 | |
72 err = pthread_cond_wait(cond, mtx); | |
73 | |
74 #if 0 | |
75 ngx_time_update(); | |
76 #endif | |
77 | |
78 if (err == 0) { | |
79 ngx_log_debug1(NGX_LOG_DEBUG_CORE, log, 0, | |
80 "pthread_cond_wait(%p) exit", cond); | |
81 return NGX_OK; | |
82 } | |
83 | |
84 ngx_log_error(NGX_LOG_ALERT, log, err, "pthread_cond_wait() failed"); | |
85 | |
86 return NGX_ERROR; | |
87 } |