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1
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2 /*
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3 * Copyright (C) Igor Sysoev
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4 */
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5
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6
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7 #ifndef _NGX_EVENT_POSTED_H_INCLUDED_
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8 #define _NGX_EVENT_POSTED_H_INCLUDED_
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9
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10
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11 #include <ngx_config.h>
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12 #include <ngx_core.h>
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13 #include <ngx_event.h>
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14
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15
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112
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16 #if (NGX_THREADS)
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17 extern ngx_mutex_t *ngx_posted_events_mutex;
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18 #endif
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19
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20
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21 #define ngx_locked_post_event(ev, queue) \
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22 \
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23 if (ev->prev == NULL) { \
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24 ev->next = (ngx_event_t *) *queue; \
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25 ev->prev = (ngx_event_t **) queue; \
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26 *queue = ev; \
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27 \
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28 if (ev->next) { \
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29 ev->next->prev = &ev->next; \
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30 } \
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31 \
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32 ngx_log_debug1(NGX_LOG_DEBUG_CORE, ev->log, 0, "post event %p", ev); \
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33 \
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34 } else { \
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35 ngx_log_debug1(NGX_LOG_DEBUG_CORE, ev->log, 0, \
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36 "update posted event %p", ev); \
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37 }
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38
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39
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40 #define ngx_post_event(ev, queue) \
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41 \
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42 ngx_mutex_lock(ngx_posted_events_mutex); \
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43 ngx_locked_post_event(ev, queue); \
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44 ngx_mutex_unlock(ngx_posted_events_mutex);
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45
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46
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47 #define ngx_delete_posted_event(ev) \
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112
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48 \
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49 *(ev->prev) = ev->next; \
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50 \
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51 if (ev->next) { \
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52 ev->next->prev = ev->prev; \
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53 } \
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54 \
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55 ev->prev = NULL; \
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56 ngx_log_debug1(NGX_LOG_DEBUG_CORE, ev->log, 0, \
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57 "delete posted event %p", ev);
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58
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59
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60
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112
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61 void ngx_event_process_posted(ngx_cycle_t *cycle,
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62 ngx_thread_volatile ngx_event_t **posted);
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63 void ngx_wakeup_worker_thread(ngx_cycle_t *cycle);
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64
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112
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65 #if (NGX_THREADS)
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66 ngx_int_t ngx_event_thread_process_posted(ngx_cycle_t *cycle);
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67 #endif
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68
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69
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70 extern ngx_thread_volatile ngx_event_t *ngx_posted_accept_events;
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71 extern ngx_thread_volatile ngx_event_t *ngx_posted_events;
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72
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73
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74 #endif /* _NGX_EVENT_POSTED_H_INCLUDED_ */
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