|
0
|
1
|
|
|
2 /*
|
|
|
3 * Copyright (C) Igor Sysoev
|
|
|
4 */
|
|
|
5
|
|
|
6
|
|
|
7 #include <ngx_config.h>
|
|
|
8 #include <ngx_core.h>
|
|
|
9 #include <ngx_event.h>
|
|
|
10
|
|
|
11
|
|
112
|
12 ngx_thread_volatile ngx_event_t *ngx_posted_accept_events;
|
|
0
|
13 ngx_thread_volatile ngx_event_t *ngx_posted_events;
|
|
|
14
|
|
|
15 #if (NGX_THREADS)
|
|
|
16 ngx_mutex_t *ngx_posted_events_mutex;
|
|
|
17 #endif
|
|
|
18
|
|
|
19
|
|
112
|
20 void
|
|
|
21 ngx_event_process_posted(ngx_cycle_t *cycle,
|
|
|
22 ngx_thread_volatile ngx_event_t **posted)
|
|
0
|
23 {
|
|
|
24 ngx_event_t *ev;
|
|
|
25
|
|
|
26 for ( ;; ) {
|
|
|
27
|
|
112
|
28 ev = (ngx_event_t *) *posted;
|
|
0
|
29
|
|
|
30 ngx_log_debug1(NGX_LOG_DEBUG_EVENT, cycle->log, 0,
|
|
10
|
31 "posted event %p", ev);
|
|
0
|
32
|
|
|
33 if (ev == NULL) {
|
|
|
34 return;
|
|
|
35 }
|
|
|
36
|
|
|
37 ngx_delete_posted_event(ev);
|
|
|
38
|
|
58
|
39 ev->handler(ev);
|
|
0
|
40 }
|
|
|
41 }
|
|
|
42
|
|
|
43
|
|
10
|
44 #if (NGX_THREADS) && !(NGX_WIN32)
|
|
0
|
45
|
|
112
|
46 void
|
|
|
47 ngx_wakeup_worker_thread(ngx_cycle_t *cycle)
|
|
0
|
48 {
|
|
|
49 ngx_int_t i;
|
|
50
|
50 #if 0
|
|
0
|
51 ngx_uint_t busy;
|
|
|
52 ngx_event_t *ev;
|
|
|
53
|
|
|
54 busy = 1;
|
|
|
55
|
|
|
56 if (ngx_mutex_lock(ngx_posted_events_mutex) == NGX_ERROR) {
|
|
|
57 return;
|
|
|
58 }
|
|
|
59
|
|
|
60 for (ev = (ngx_event_t *) ngx_posted_events; ev; ev = ev->next) {
|
|
|
61 if (*(ev->lock) == 0) {
|
|
|
62 busy = 0;
|
|
|
63 break;
|
|
|
64 }
|
|
|
65 }
|
|
|
66
|
|
|
67 ngx_mutex_unlock(ngx_posted_events_mutex);
|
|
|
68
|
|
|
69 if (busy) {
|
|
|
70 return;
|
|
|
71 }
|
|
|
72 #endif
|
|
|
73
|
|
|
74 for (i = 0; i < ngx_threads_n; i++) {
|
|
|
75 if (ngx_threads[i].state == NGX_THREAD_FREE) {
|
|
|
76 ngx_cond_signal(ngx_threads[i].cv);
|
|
|
77 return;
|
|
|
78 }
|
|
|
79 }
|
|
|
80 }
|
|
|
81
|
|
|
82
|
|
112
|
83 ngx_int_t
|
|
|
84 ngx_event_thread_process_posted(ngx_cycle_t *cycle)
|
|
0
|
85 {
|
|
|
86 ngx_event_t *ev;
|
|
|
87
|
|
|
88 for ( ;; ) {
|
|
|
89
|
|
|
90 ev = (ngx_event_t *) ngx_posted_events;
|
|
|
91
|
|
|
92 for ( ;; ) {
|
|
|
93
|
|
|
94 ngx_log_debug1(NGX_LOG_DEBUG_EVENT, cycle->log, 0,
|
|
10
|
95 "posted event %p", ev);
|
|
0
|
96
|
|
|
97 if (ev == NULL) {
|
|
|
98 return NGX_OK;
|
|
|
99 }
|
|
|
100
|
|
|
101 if (ngx_trylock(ev->lock) == 0) {
|
|
|
102
|
|
|
103 ngx_log_debug1(NGX_LOG_DEBUG_EVENT, cycle->log, 0,
|
|
10
|
104 "posted event %p is busy", ev);
|
|
0
|
105
|
|
|
106 ev = ev->next;
|
|
|
107 continue;
|
|
|
108 }
|
|
|
109
|
|
|
110 if (ev->lock != ev->own_lock) {
|
|
|
111 if (*(ev->own_lock)) {
|
|
|
112 ngx_log_error(NGX_LOG_ALERT, cycle->log, 0,
|
|
10
|
113 "the own lock of the posted event %p is busy", ev);
|
|
0
|
114 ngx_unlock(ev->lock);
|
|
|
115 ev = ev->next;
|
|
|
116 continue;
|
|
|
117 }
|
|
|
118 *(ev->own_lock) = 1;
|
|
|
119 }
|
|
|
120
|
|
|
121 ngx_delete_posted_event(ev);
|
|
|
122
|
|
|
123 ev->locked = 1;
|
|
|
124
|
|
|
125 ev->ready |= ev->posted_ready;
|
|
|
126 ev->timedout |= ev->posted_timedout;
|
|
|
127 ev->pending_eof |= ev->posted_eof;
|
|
18
|
128 #if (NGX_HAVE_KQUEUE)
|
|
0
|
129 ev->kq_errno |= ev->posted_errno;
|
|
|
130 #endif
|
|
|
131 if (ev->posted_available) {
|
|
|
132 ev->available = ev->posted_available;
|
|
|
133 }
|
|
|
134
|
|
|
135 ev->posted_ready = 0;
|
|
|
136 ev->posted_timedout = 0;
|
|
|
137 ev->posted_eof = 0;
|
|
18
|
138 #if (NGX_HAVE_KQUEUE)
|
|
0
|
139 ev->posted_errno = 0;
|
|
|
140 #endif
|
|
|
141 ev->posted_available = 0;
|
|
|
142
|
|
|
143 ngx_mutex_unlock(ngx_posted_events_mutex);
|
|
|
144
|
|
58
|
145 ev->handler(ev);
|
|
0
|
146
|
|
112
|
147 ngx_mutex_lock(ngx_posted_events_mutex);
|
|
0
|
148
|
|
|
149 if (ev->locked) {
|
|
|
150 ngx_unlock(ev->lock);
|
|
|
151
|
|
|
152 if (ev->lock != ev->own_lock) {
|
|
|
153 ngx_unlock(ev->own_lock);
|
|
|
154 }
|
|
|
155 }
|
|
|
156
|
|
|
157 ngx_log_debug1(NGX_LOG_DEBUG_EVENT, cycle->log, 0,
|
|
10
|
158 "posted event %p is done", ev);
|
|
0
|
159
|
|
|
160 break;
|
|
|
161 }
|
|
|
162 }
|
|
|
163 }
|
|
|
164
|
|
|
165 #else
|
|
|
166
|
|
112
|
167 void
|
|
|
168 ngx_wakeup_worker_thread(ngx_cycle_t *cycle)
|
|
0
|
169 {
|
|
|
170 }
|
|
|
171
|
|
|
172 #endif
|
