Mercurial > hg > nginx-vendor-0-7
comparison src/os/unix/ngx_thread.h @ 0:f0b350454894 NGINX_0_1_0
nginx 0.1.0
*) The first public version.
author | Igor Sysoev <http://sysoev.ru> |
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date | Mon, 04 Oct 2004 00:00:00 +0400 |
parents | |
children | 4b2dafa26fe2 |
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-1:000000000000 | 0:f0b350454894 |
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1 | |
2 /* | |
3 * Copyright (C) Igor Sysoev | |
4 */ | |
5 | |
6 | |
7 #ifndef _NGX_THREAD_H_INCLUDED_ | |
8 #define _NGX_THREAD_H_INCLUDED_ | |
9 | |
10 | |
11 #include <ngx_config.h> | |
12 #include <ngx_core.h> | |
13 | |
14 #if (NGX_THREADS) | |
15 | |
16 #define NGX_MAX_THREADS 128 | |
17 | |
18 #if (NGX_USE_RFORK) | |
19 #include <ngx_freebsd_rfork_thread.h> | |
20 | |
21 | |
22 #else /* use pthreads */ | |
23 | |
24 #include <pthread.h> | |
25 | |
26 typedef pthread_t ngx_tid_t; | |
27 | |
28 #define ngx_thread_self() pthread_self() | |
29 #define ngx_log_tid (int) ngx_thread_self() | |
30 | |
31 #if defined(__FreeBSD__) && !defined(NGX_LINUXTHREADS) | |
32 #define TID_T_FMT PTR_FMT | |
33 #else | |
34 #define TID_T_FMT "%d" | |
35 #endif | |
36 | |
37 | |
38 typedef pthread_key_t ngx_tls_key_t; | |
39 | |
40 #define ngx_thread_key_create(key) pthread_key_create(key, NULL) | |
41 #define ngx_thread_key_create_n "pthread_key_create()" | |
42 #define ngx_thread_set_tls pthread_setspecific | |
43 #define ngx_thread_set_tls_n "pthread_setspecific()" | |
44 #define ngx_thread_get_tls pthread_getspecific | |
45 | |
46 | |
47 #define NGX_MUTEX_LIGHT 0 | |
48 | |
49 typedef struct { | |
50 pthread_mutex_t mutex; | |
51 ngx_log_t *log; | |
52 } ngx_mutex_t; | |
53 | |
54 typedef struct { | |
55 pthread_cond_t cond; | |
56 ngx_tid_t tid; | |
57 ngx_log_t *log; | |
58 } ngx_cond_t; | |
59 | |
60 #define ngx_thread_sigmask pthread_sigmask | |
61 #define ngx_thread_sigmask_n "pthread_sigmask()" | |
62 | |
63 #define ngx_thread_join(t, p) pthread_join(t, p) | |
64 | |
65 #define ngx_setthrtitle(n) | |
66 | |
67 | |
68 | |
69 ngx_int_t ngx_mutex_trylock(ngx_mutex_t *m); | |
70 ngx_int_t ngx_mutex_lock(ngx_mutex_t *m); | |
71 ngx_int_t ngx_mutex_unlock(ngx_mutex_t *m); | |
72 | |
73 #endif | |
74 | |
75 | |
76 #define ngx_thread_volatile volatile | |
77 | |
78 | |
79 typedef struct { | |
80 ngx_tid_t tid; | |
81 ngx_cond_t *cv; | |
82 ngx_uint_t state; | |
83 } ngx_thread_t; | |
84 | |
85 #define NGX_THREAD_FREE 1 | |
86 #define NGX_THREAD_BUSY 2 | |
87 #define NGX_THREAD_EXIT 3 | |
88 #define NGX_THREAD_DONE 4 | |
89 | |
90 extern ngx_int_t ngx_threads_n; | |
91 extern volatile ngx_thread_t ngx_threads[NGX_MAX_THREADS]; | |
92 | |
93 | |
94 ngx_int_t ngx_init_threads(int n, size_t size, ngx_cycle_t *cycle); | |
95 int ngx_create_thread(ngx_tid_t *tid, void* (*func)(void *arg), void *arg, | |
96 ngx_log_t *log); | |
97 | |
98 | |
99 ngx_mutex_t *ngx_mutex_init(ngx_log_t *log, uint flags); | |
100 void ngx_mutex_destroy(ngx_mutex_t *m); | |
101 | |
102 | |
103 ngx_cond_t *ngx_cond_init(ngx_log_t *log); | |
104 void ngx_cond_destroy(ngx_cond_t *cv); | |
105 ngx_int_t ngx_cond_wait(ngx_cond_t *cv, ngx_mutex_t *m); | |
106 ngx_int_t ngx_cond_signal(ngx_cond_t *cv); | |
107 | |
108 | |
109 #else /* !NGX_THREADS */ | |
110 | |
111 #define ngx_thread_volatile | |
112 | |
113 #define ngx_log_tid 0 | |
114 #define TID_T_FMT "%d" | |
115 | |
116 #define ngx_mutex_trylock(m) NGX_OK | |
117 #define ngx_mutex_lock(m) NGX_OK | |
118 #define ngx_mutex_unlock(m) | |
119 | |
120 #define ngx_cond_signal(cv) | |
121 | |
122 #define ngx_thread_main() 1 | |
123 | |
124 #endif | |
125 | |
126 | |
127 | |
128 #endif /* _NGX_THREAD_H_INCLUDED_ */ |