Mercurial > hg > nginx
annotate src/os/unix/ngx_thread_cond.c @ 9268:6a3ee145d0b5
Core: made it possible to disable PID files with "pid off".
While it is not generally recommended, this might be beneficial in some
configurations, such as with immutable images and direct control by
a service manager.
author | Maxim Dounin <mdounin@mdounin.ru> |
---|---|
date | Mon, 13 May 2024 06:13:03 +0300 |
parents | 022ea0d17177 |
children |
rev | line source |
---|---|
6018
466bd63b63d1
Thread pools implementation.
Valentin Bartenev <vbart@nginx.com>
parents:
diff
changeset
|
1 |
466bd63b63d1
Thread pools implementation.
Valentin Bartenev <vbart@nginx.com>
parents:
diff
changeset
|
2 /* |
466bd63b63d1
Thread pools implementation.
Valentin Bartenev <vbart@nginx.com>
parents:
diff
changeset
|
3 * Copyright (C) Igor Sysoev |
466bd63b63d1
Thread pools implementation.
Valentin Bartenev <vbart@nginx.com>
parents:
diff
changeset
|
4 * Copyright (C) Nginx, Inc. |
466bd63b63d1
Thread pools implementation.
Valentin Bartenev <vbart@nginx.com>
parents:
diff
changeset
|
5 */ |
466bd63b63d1
Thread pools implementation.
Valentin Bartenev <vbart@nginx.com>
parents:
diff
changeset
|
6 |
466bd63b63d1
Thread pools implementation.
Valentin Bartenev <vbart@nginx.com>
parents:
diff
changeset
|
7 |
466bd63b63d1
Thread pools implementation.
Valentin Bartenev <vbart@nginx.com>
parents:
diff
changeset
|
8 #include <ngx_config.h> |
466bd63b63d1
Thread pools implementation.
Valentin Bartenev <vbart@nginx.com>
parents:
diff
changeset
|
9 #include <ngx_core.h> |
466bd63b63d1
Thread pools implementation.
Valentin Bartenev <vbart@nginx.com>
parents:
diff
changeset
|
10 |
466bd63b63d1
Thread pools implementation.
Valentin Bartenev <vbart@nginx.com>
parents:
diff
changeset
|
11 |
466bd63b63d1
Thread pools implementation.
Valentin Bartenev <vbart@nginx.com>
parents:
diff
changeset
|
12 ngx_int_t |
466bd63b63d1
Thread pools implementation.
Valentin Bartenev <vbart@nginx.com>
parents:
diff
changeset
|
13 ngx_thread_cond_create(ngx_thread_cond_t *cond, ngx_log_t *log) |
466bd63b63d1
Thread pools implementation.
Valentin Bartenev <vbart@nginx.com>
parents:
diff
changeset
|
14 { |
466bd63b63d1
Thread pools implementation.
Valentin Bartenev <vbart@nginx.com>
parents:
diff
changeset
|
15 ngx_err_t err; |
466bd63b63d1
Thread pools implementation.
Valentin Bartenev <vbart@nginx.com>
parents:
diff
changeset
|
16 |
466bd63b63d1
Thread pools implementation.
Valentin Bartenev <vbart@nginx.com>
parents:
diff
changeset
|
17 err = pthread_cond_init(cond, NULL); |
466bd63b63d1
Thread pools implementation.
Valentin Bartenev <vbart@nginx.com>
parents:
diff
changeset
|
18 if (err == 0) { |
466bd63b63d1
Thread pools implementation.
Valentin Bartenev <vbart@nginx.com>
parents:
diff
changeset
|
19 return NGX_OK; |
466bd63b63d1
Thread pools implementation.
Valentin Bartenev <vbart@nginx.com>
parents:
diff
changeset
|
20 } |
466bd63b63d1
Thread pools implementation.
Valentin Bartenev <vbart@nginx.com>
parents:
diff
changeset
|
21 |
466bd63b63d1
Thread pools implementation.
Valentin Bartenev <vbart@nginx.com>
parents:
diff
changeset
|
22 ngx_log_error(NGX_LOG_EMERG, log, err, "pthread_cond_init() failed"); |
466bd63b63d1
Thread pools implementation.
Valentin Bartenev <vbart@nginx.com>
parents:
diff
changeset
|
23 return NGX_ERROR; |
466bd63b63d1
Thread pools implementation.
Valentin Bartenev <vbart@nginx.com>
parents:
diff
changeset
|
24 } |
466bd63b63d1
Thread pools implementation.
Valentin Bartenev <vbart@nginx.com>
parents:
diff
changeset
|
25 |
466bd63b63d1
Thread pools implementation.
Valentin Bartenev <vbart@nginx.com>
parents:
diff
changeset
|
26 |
466bd63b63d1
Thread pools implementation.
Valentin Bartenev <vbart@nginx.com>
parents:
diff
changeset
|
27 ngx_int_t |
466bd63b63d1
Thread pools implementation.
Valentin Bartenev <vbart@nginx.com>
parents:
diff
changeset
|
28 ngx_thread_cond_destroy(ngx_thread_cond_t *cond, ngx_log_t *log) |
466bd63b63d1
Thread pools implementation.
Valentin Bartenev <vbart@nginx.com>
parents:
diff
changeset
|
29 { |
466bd63b63d1
Thread pools implementation.
Valentin Bartenev <vbart@nginx.com>
parents:
diff
changeset
|
30 ngx_err_t err; |
466bd63b63d1
Thread pools implementation.
Valentin Bartenev <vbart@nginx.com>
parents:
diff
changeset
|
31 |
466bd63b63d1
Thread pools implementation.
Valentin Bartenev <vbart@nginx.com>
parents:
diff
changeset
|
32 err = pthread_cond_destroy(cond); |
466bd63b63d1
Thread pools implementation.
Valentin Bartenev <vbart@nginx.com>
parents:
diff
changeset
|
33 if (err == 0) { |
466bd63b63d1
Thread pools implementation.
Valentin Bartenev <vbart@nginx.com>
parents:
diff
changeset
|
34 return NGX_OK; |
466bd63b63d1
Thread pools implementation.
Valentin Bartenev <vbart@nginx.com>
parents:
diff
changeset
|
35 } |
466bd63b63d1
Thread pools implementation.
Valentin Bartenev <vbart@nginx.com>
parents:
diff
changeset
|
36 |
466bd63b63d1
Thread pools implementation.
Valentin Bartenev <vbart@nginx.com>
parents:
diff
changeset
|
37 ngx_log_error(NGX_LOG_EMERG, log, err, "pthread_cond_destroy() failed"); |
466bd63b63d1
Thread pools implementation.
Valentin Bartenev <vbart@nginx.com>
parents:
diff
changeset
|
38 return NGX_ERROR; |
466bd63b63d1
Thread pools implementation.
Valentin Bartenev <vbart@nginx.com>
parents:
diff
changeset
|
39 } |
466bd63b63d1
Thread pools implementation.
Valentin Bartenev <vbart@nginx.com>
parents:
diff
changeset
|
40 |
466bd63b63d1
Thread pools implementation.
Valentin Bartenev <vbart@nginx.com>
parents:
diff
changeset
|
41 |
466bd63b63d1
Thread pools implementation.
Valentin Bartenev <vbart@nginx.com>
parents:
diff
changeset
|
42 ngx_int_t |
466bd63b63d1
Thread pools implementation.
Valentin Bartenev <vbart@nginx.com>
parents:
diff
changeset
|
43 ngx_thread_cond_signal(ngx_thread_cond_t *cond, ngx_log_t *log) |
466bd63b63d1
Thread pools implementation.
Valentin Bartenev <vbart@nginx.com>
parents:
diff
changeset
|
44 { |
466bd63b63d1
Thread pools implementation.
Valentin Bartenev <vbart@nginx.com>
parents:
diff
changeset
|
45 ngx_err_t err; |
466bd63b63d1
Thread pools implementation.
Valentin Bartenev <vbart@nginx.com>
parents:
diff
changeset
|
46 |
466bd63b63d1
Thread pools implementation.
Valentin Bartenev <vbart@nginx.com>
parents:
diff
changeset
|
47 err = pthread_cond_signal(cond); |
466bd63b63d1
Thread pools implementation.
Valentin Bartenev <vbart@nginx.com>
parents:
diff
changeset
|
48 if (err == 0) { |
466bd63b63d1
Thread pools implementation.
Valentin Bartenev <vbart@nginx.com>
parents:
diff
changeset
|
49 return NGX_OK; |
466bd63b63d1
Thread pools implementation.
Valentin Bartenev <vbart@nginx.com>
parents:
diff
changeset
|
50 } |
466bd63b63d1
Thread pools implementation.
Valentin Bartenev <vbart@nginx.com>
parents:
diff
changeset
|
51 |
466bd63b63d1
Thread pools implementation.
Valentin Bartenev <vbart@nginx.com>
parents:
diff
changeset
|
52 ngx_log_error(NGX_LOG_EMERG, log, err, "pthread_cond_signal() failed"); |
466bd63b63d1
Thread pools implementation.
Valentin Bartenev <vbart@nginx.com>
parents:
diff
changeset
|
53 return NGX_ERROR; |
466bd63b63d1
Thread pools implementation.
Valentin Bartenev <vbart@nginx.com>
parents:
diff
changeset
|
54 } |
466bd63b63d1
Thread pools implementation.
Valentin Bartenev <vbart@nginx.com>
parents:
diff
changeset
|
55 |
466bd63b63d1
Thread pools implementation.
Valentin Bartenev <vbart@nginx.com>
parents:
diff
changeset
|
56 |
466bd63b63d1
Thread pools implementation.
Valentin Bartenev <vbart@nginx.com>
parents:
diff
changeset
|
57 ngx_int_t |
466bd63b63d1
Thread pools implementation.
Valentin Bartenev <vbart@nginx.com>
parents:
diff
changeset
|
58 ngx_thread_cond_wait(ngx_thread_cond_t *cond, ngx_thread_mutex_t *mtx, |
466bd63b63d1
Thread pools implementation.
Valentin Bartenev <vbart@nginx.com>
parents:
diff
changeset
|
59 ngx_log_t *log) |
466bd63b63d1
Thread pools implementation.
Valentin Bartenev <vbart@nginx.com>
parents:
diff
changeset
|
60 { |
466bd63b63d1
Thread pools implementation.
Valentin Bartenev <vbart@nginx.com>
parents:
diff
changeset
|
61 ngx_err_t err; |
466bd63b63d1
Thread pools implementation.
Valentin Bartenev <vbart@nginx.com>
parents:
diff
changeset
|
62 |
466bd63b63d1
Thread pools implementation.
Valentin Bartenev <vbart@nginx.com>
parents:
diff
changeset
|
63 err = pthread_cond_wait(cond, mtx); |
466bd63b63d1
Thread pools implementation.
Valentin Bartenev <vbart@nginx.com>
parents:
diff
changeset
|
64 |
466bd63b63d1
Thread pools implementation.
Valentin Bartenev <vbart@nginx.com>
parents:
diff
changeset
|
65 #if 0 |
466bd63b63d1
Thread pools implementation.
Valentin Bartenev <vbart@nginx.com>
parents:
diff
changeset
|
66 ngx_time_update(); |
466bd63b63d1
Thread pools implementation.
Valentin Bartenev <vbart@nginx.com>
parents:
diff
changeset
|
67 #endif |
466bd63b63d1
Thread pools implementation.
Valentin Bartenev <vbart@nginx.com>
parents:
diff
changeset
|
68 |
466bd63b63d1
Thread pools implementation.
Valentin Bartenev <vbart@nginx.com>
parents:
diff
changeset
|
69 if (err == 0) { |
466bd63b63d1
Thread pools implementation.
Valentin Bartenev <vbart@nginx.com>
parents:
diff
changeset
|
70 return NGX_OK; |
466bd63b63d1
Thread pools implementation.
Valentin Bartenev <vbart@nginx.com>
parents:
diff
changeset
|
71 } |
466bd63b63d1
Thread pools implementation.
Valentin Bartenev <vbart@nginx.com>
parents:
diff
changeset
|
72 |
466bd63b63d1
Thread pools implementation.
Valentin Bartenev <vbart@nginx.com>
parents:
diff
changeset
|
73 ngx_log_error(NGX_LOG_ALERT, log, err, "pthread_cond_wait() failed"); |
466bd63b63d1
Thread pools implementation.
Valentin Bartenev <vbart@nginx.com>
parents:
diff
changeset
|
74 |
466bd63b63d1
Thread pools implementation.
Valentin Bartenev <vbart@nginx.com>
parents:
diff
changeset
|
75 return NGX_ERROR; |
466bd63b63d1
Thread pools implementation.
Valentin Bartenev <vbart@nginx.com>
parents:
diff
changeset
|
76 } |