1
2 /*
3 * Copyright (C) Igor Sysoev
4 */
5
6
7 #ifndef _NGX_EVENT_POSTED_H_INCLUDED_
8 #define _NGX_EVENT_POSTED_H_INCLUDED_
9
10
11 #include <ngx_config.h>
12 #include <ngx_core.h>
13 #include <ngx_event.h>
14
15
16 #if (NGX_THREADS)
17 extern ngx_mutex_t *ngx_posted_events_mutex;
18 #endif
19
20
21 #define ngx_locked_post_event(ev, queue) \
22 \
23 if (ev->prev == NULL) { \
24 ev->next = (ngx_event_t *) *queue; \
25 ev->prev = (ngx_event_t **) queue; \
26 *queue = ev; \
27 \
28 if (ev->next) { \
29 ev->next->prev = &ev->next; \
30 } \
31 \
32 ngx_log_debug1(NGX_LOG_DEBUG_CORE, ev->log, 0, "post event %p", ev); \
33 \
34 } else { \
35 ngx_log_debug1(NGX_LOG_DEBUG_CORE, ev->log, 0, \
36 "update posted event %p", ev); \
37 }
38
39
40 #define ngx_post_event(ev, queue) \
41 \
42 ngx_mutex_lock(ngx_posted_events_mutex); \
43 ngx_locked_post_event(ev, queue); \
44 ngx_mutex_unlock(ngx_posted_events_mutex);
45
46
47 #define ngx_delete_posted_event(ev) \
48 \
49 *(ev->prev) = ev->next; \
50 \
51 if (ev->next) { \
52 ev->next->prev = ev->prev; \
53 } \
54 \
55 ev->prev = NULL; \
56 ngx_log_debug1(NGX_LOG_DEBUG_CORE, ev->log, 0, \
57 "delete posted event %p", ev);
58
59
60
61 void ngx_event_process_posted(ngx_cycle_t *cycle,
62 ngx_thread_volatile ngx_event_t **posted);
63 void ngx_wakeup_worker_thread(ngx_cycle_t *cycle);
64
65 #if (NGX_THREADS)
66 ngx_int_t ngx_event_thread_process_posted(ngx_cycle_t *cycle);
67 #endif
68
69
70 extern ngx_thread_volatile ngx_event_t *ngx_posted_accept_events;
71 extern ngx_thread_volatile ngx_event_t *ngx_posted_events;
72
73
74 #endif /* _NGX_EVENT_POSTED_H_INCLUDED_ */
75