Mercurial > hg > nginx-quic
annotate src/event/ngx_event_timer.h @ 5749:a680bf4dddd5
Win32: ngx_open_dir() and ngx_close_dir() fixes.
The ngx_open_dir() function changed to restore name passed to it. This
fixes removing destination directory in dav module, as caught by dav.t.
The ngx_close_dir() function introduced to properly convert errors, as
FindClose() returns 0 on error.
author | Maxim Dounin <mdounin@mdounin.ru> |
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date | Sat, 05 Jul 2014 23:29:47 +0400 |
parents | d620f497c50f |
children | 1f513d7f1b45 |
rev | line source |
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441
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1 |
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2 /* |
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3 * Copyright (C) Igor Sysoev |
4412 | 4 * Copyright (C) Nginx, Inc. |
441
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5 */ |
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50
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8 #ifndef _NGX_EVENT_TIMER_H_INCLUDED_ |
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9 #define _NGX_EVENT_TIMER_H_INCLUDED_ |
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12 #include <ngx_config.h> |
103
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13 #include <ngx_core.h> |
50
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14 #include <ngx_event.h> |
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15 |
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16 |
501 | 17 #define NGX_TIMER_INFINITE (ngx_msec_t) -1 |
270
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18 |
493 | 19 #define NGX_TIMER_LAZY_DELAY 300 |
20 | |
205
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22 ngx_int_t ngx_event_timer_init(ngx_log_t *log); |
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23 ngx_msec_t ngx_event_find_timer(void); |
557 | 24 void ngx_event_expire_timers(void); |
205
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25 |
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27 #if (NGX_THREADS) |
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28 extern ngx_mutex_t *ngx_event_timer_mutex; |
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29 #endif |
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31 |
559 | 32 extern ngx_thread_volatile ngx_rbtree_t ngx_event_timer_rbtree; |
207
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34 |
493 | 35 static ngx_inline void |
36 ngx_event_del_timer(ngx_event_t *ev) | |
205
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37 { |
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38 ngx_log_debug2(NGX_LOG_DEBUG_EVENT, ev->log, 0, |
557 | 39 "event timer del: %d: %M", |
559 | 40 ngx_event_ident(ev->data), ev->timer.key); |
213
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41 |
563 | 42 ngx_mutex_lock(ngx_event_timer_mutex); |
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43 |
559 | 44 ngx_rbtree_delete(&ngx_event_timer_rbtree, &ev->timer); |
205
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46 ngx_mutex_unlock(ngx_event_timer_mutex); |
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47 |
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48 #if (NGX_DEBUG) |
559 | 49 ev->timer.left = NULL; |
50 ev->timer.right = NULL; | |
51 ev->timer.parent = NULL; | |
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52 #endif |
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54 ev->timer_set = 0; |
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55 } |
50
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56 |
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57 |
493 | 58 static ngx_inline void |
59 ngx_event_add_timer(ngx_event_t *ev, ngx_msec_t timer) | |
205
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60 { |
561 | 61 ngx_msec_t key; |
62 ngx_msec_int_t diff; | |
205
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63 |
563 | 64 key = ngx_current_msec + timer; |
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65 |
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66 if (ev->timer_set) { |
304
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67 |
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68 /* |
1807 | 69 * Use a previous timer value if difference between it and a new |
70 * value is less than NGX_TIMER_LAZY_DELAY milliseconds: this allows | |
71 * to minimize the rbtree operations for fast connections. | |
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72 */ |
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73 |
561 | 74 diff = (ngx_msec_int_t) (key - ev->timer.key); |
557 | 75 |
76 if (ngx_abs(diff) < NGX_TIMER_LAZY_DELAY) { | |
303
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77 ngx_log_debug3(NGX_LOG_DEBUG_EVENT, ev->log, 0, |
557 | 78 "event timer: %d, old: %M, new: %M", |
559 | 79 ngx_event_ident(ev->data), ev->timer.key, key); |
303
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80 return; |
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81 } |
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82 |
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83 ngx_del_timer(ev); |
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84 } |
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85 |
559 | 86 ev->timer.key = key; |
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87 |
557 | 88 ngx_log_debug3(NGX_LOG_DEBUG_EVENT, ev->log, 0, |
89 "event timer add: %d: %M:%M", | |
559 | 90 ngx_event_ident(ev->data), timer, ev->timer.key); |
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91 |
563 | 92 ngx_mutex_lock(ngx_event_timer_mutex); |
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93 |
559 | 94 ngx_rbtree_insert(&ngx_event_timer_rbtree, &ev->timer); |
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96 ngx_mutex_unlock(ngx_event_timer_mutex); |
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97 |
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98 ev->timer_set = 1; |
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99 } |
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100 |
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59
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102 #endif /* _NGX_EVENT_TIMER_H_INCLUDED_ */ |