Mercurial > hg > nginx-vendor-0-6
comparison src/os/unix/ngx_freebsd_rfork_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 | 46833bd150cb |
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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_FREEBSD_RFORK_THREAD_H_INCLUDED_ | |
8 #define _NGX_FREEBSD_RFORK_THREAD_H_INCLUDED_ | |
9 | |
10 | |
11 #include <sys/ipc.h> | |
12 #include <sys/sem.h> | |
13 #include <sched.h> | |
14 | |
15 typedef pid_t ngx_tid_t; | |
16 | |
17 #undef ngx_log_pid | |
18 #define ngx_log_pid ngx_thread_self() | |
19 #define ngx_log_tid 0 | |
20 | |
21 #define TID_T_FMT PID_T_FMT | |
22 | |
23 | |
24 #define NGX_MUTEX_LIGHT 1 | |
25 | |
26 #define NGX_MUTEX_LOCK_BUSY 0x80000000 | |
27 | |
28 typedef volatile struct { | |
29 ngx_atomic_t lock; | |
30 ngx_log_t *log; | |
31 int semid; | |
32 } ngx_mutex_t; | |
33 | |
34 | |
35 #define NGX_CV_SIGNAL 64 | |
36 | |
37 typedef struct { | |
38 int signo; | |
39 int kq; | |
40 ngx_tid_t tid; | |
41 ngx_log_t *log; | |
42 } ngx_cond_t; | |
43 | |
44 | |
45 #define ngx_thread_sigmask(how, set, oset) \ | |
46 (sigprocmask(how, set, oset) == -1) ? ngx_errno : 0 | |
47 | |
48 #define ngx_thread_sigmask_n "sigprocmask()" | |
49 | |
50 #define ngx_thread_join(t, p) | |
51 | |
52 #define ngx_setthrtitle(n) setproctitle(n) | |
53 | |
54 | |
55 extern char *ngx_freebsd_kern_usrstack; | |
56 extern size_t ngx_thread_stack_size; | |
57 | |
58 | |
59 static inline int ngx_gettid() | |
60 { | |
61 char *sp; | |
62 | |
63 if (ngx_thread_stack_size == 0) { | |
64 return 0; | |
65 } | |
66 | |
67 #if ( __i386__ ) | |
68 | |
69 __asm__ volatile ("mov %%esp, %0" : "=q" (sp)); | |
70 | |
71 #elif ( __amd64__ ) | |
72 | |
73 __asm__ volatile ("mov %%rsp, %0" : "=q" (sp)); | |
74 | |
75 #else | |
76 | |
77 #error "rfork()ed threads are not supported on this platform" | |
78 | |
79 #endif | |
80 | |
81 return (ngx_freebsd_kern_usrstack - sp) / ngx_thread_stack_size; | |
82 } | |
83 | |
84 | |
85 ngx_tid_t ngx_thread_self(); | |
86 | |
87 | |
88 typedef ngx_uint_t ngx_tls_key_t; | |
89 | |
90 #define NGX_THREAD_KEYS_MAX 16 | |
91 | |
92 extern void **ngx_tls; | |
93 | |
94 ngx_int_t ngx_thread_key_create(ngx_tls_key_t *key); | |
95 #define ngx_thread_key_create_n "the tls key creation" | |
96 | |
97 ngx_int_t ngx_thread_set_tls(ngx_tls_key_t key, void *value); | |
98 #define ngx_thread_set_tls_n "the tls key setting" | |
99 | |
100 | |
101 static void *ngx_thread_get_tls(ngx_tls_key_t key) | |
102 { | |
103 if (key >= NGX_THREAD_KEYS_MAX) { | |
104 return NULL; | |
105 } | |
106 | |
107 return ngx_tls[key * NGX_THREAD_KEYS_MAX + ngx_gettid()]; | |
108 } | |
109 | |
110 | |
111 #define ngx_mutex_trylock(m) ngx_mutex_dolock(m, 1) | |
112 #define ngx_mutex_lock(m) ngx_mutex_dolock(m, 0) | |
113 ngx_int_t ngx_mutex_dolock(ngx_mutex_t *m, ngx_int_t try); | |
114 ngx_int_t ngx_mutex_unlock(ngx_mutex_t *m); | |
115 | |
116 | |
117 typedef int (*ngx_rfork_thread_func_pt)(void *arg); | |
118 | |
119 | |
120 | |
121 #endif /* _NGX_FREEBSD_RFORK_THREAD_H_INCLUDED_ */ |