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annotate src/event/ngx_event.h @ 9:6f58641241bb

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nginx-0.0.1-2002-09-07-14:14:25 import
author Igor Sysoev <igor@sysoev.ru>
date Sat, 07 Sep 2002 10:14:25 +0000
parents 708f8bb772ec
children 8dd06e2844f5
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4eff17414a43 nginx-0.0.1-2002-08-06-20:39:45 import
Igor Sysoev <igor@sysoev.ru>
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1 #ifndef _NGX_EVENT_H_INCLUDED_
4eff17414a43 nginx-0.0.1-2002-08-06-20:39:45 import
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2 #define _NGX_EVENT_H_INCLUDED_
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3
4eff17414a43 nginx-0.0.1-2002-08-06-20:39:45 import
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4eff17414a43 nginx-0.0.1-2002-08-06-20:39:45 import
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5 #include <ngx_config.h>
4eff17414a43 nginx-0.0.1-2002-08-06-20:39:45 import
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6 #include <ngx_types.h>
8
708f8bb772ec nginx-0.0.1-2002-09-02-18:48:24 import
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7 #include <ngx_time.h>
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34a521b1a148 nginx-0.0.1-2002-08-20-18:48:28 import
Igor Sysoev <igor@sysoev.ru>
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8 #include <ngx_socket.h>
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4eff17414a43 nginx-0.0.1-2002-08-06-20:39:45 import
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9 #include <ngx_log.h>
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34a521b1a148 nginx-0.0.1-2002-08-20-18:48:28 import
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10 #include <ngx_alloc.h>
34a521b1a148 nginx-0.0.1-2002-08-20-18:48:28 import
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11 #include <ngx_array.h>
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4eff17414a43 nginx-0.0.1-2002-08-06-20:39:45 import
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12
4eff17414a43 nginx-0.0.1-2002-08-06-20:39:45 import
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13 typedef struct ngx_event_s ngx_event_t;
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14
4eff17414a43 nginx-0.0.1-2002-08-06-20:39:45 import
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15 struct ngx_event_s {
4eff17414a43 nginx-0.0.1-2002-08-06-20:39:45 import
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16 void *data;
4eff17414a43 nginx-0.0.1-2002-08-06-20:39:45 import
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17
4eff17414a43 nginx-0.0.1-2002-08-06-20:39:45 import
Igor Sysoev <igor@sysoev.ru>
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18 int (*event_handler)(ngx_event_t *ev);
4eff17414a43 nginx-0.0.1-2002-08-06-20:39:45 import
Igor Sysoev <igor@sysoev.ru>
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19 int (*close_handler)(ngx_event_t *ev);
4eff17414a43 nginx-0.0.1-2002-08-06-20:39:45 import
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20 void *context;
4eff17414a43 nginx-0.0.1-2002-08-06-20:39:45 import
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21 char *action;
4eff17414a43 nginx-0.0.1-2002-08-06-20:39:45 import
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22
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d220029ac7f3 nginx-0.0.1-2002-08-15-21:20:26 import
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23 ngx_event_t *prev; /* queue in select(), poll(), mutex(), */
d220029ac7f3 nginx-0.0.1-2002-08-15-21:20:26 import
Igor Sysoev <igor@sysoev.ru>
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24 ngx_event_t *next; /* aio_read(), aio_write() */
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26 int (*timer_handler)(ngx_event_t *ev);
4eff17414a43 nginx-0.0.1-2002-08-06-20:39:45 import
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27 ngx_event_t *timer_prev;
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28 ngx_event_t *timer_next;
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29
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30 u_int timer_delta;
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31 u_int timer;
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32
4eff17414a43 nginx-0.0.1-2002-08-06-20:39:45 import
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33 ngx_log_t *log;
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34
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35 int available; /* kqueue only: */
4eff17414a43 nginx-0.0.1-2002-08-06-20:39:45 import
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36 /* accept: number of sockets that wait */
4eff17414a43 nginx-0.0.1-2002-08-06-20:39:45 import
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37 /* to be accepted */
4eff17414a43 nginx-0.0.1-2002-08-06-20:39:45 import
Igor Sysoev <igor@sysoev.ru>
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38 /* read: bytes to read */
4eff17414a43 nginx-0.0.1-2002-08-06-20:39:45 import
Igor Sysoev <igor@sysoev.ru>
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39 /* write: available space in buffer */
4eff17414a43 nginx-0.0.1-2002-08-06-20:39:45 import
Igor Sysoev <igor@sysoev.ru>
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40 /* otherwise: */
4eff17414a43 nginx-0.0.1-2002-08-06-20:39:45 import
Igor Sysoev <igor@sysoev.ru>
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41 /* accept: 1 if accept many, 0 otherwise */
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42
4eff17414a43 nginx-0.0.1-2002-08-06-20:39:45 import
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43 /* flags - int are probably faster on write then bits ??? */
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708f8bb772ec nginx-0.0.1-2002-09-02-18:48:24 import
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44 #if !(USE_KQUEUE)
708f8bb772ec nginx-0.0.1-2002-09-02-18:48:24 import
Igor Sysoev <igor@sysoev.ru>
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45 unsigned oneshot:1;
708f8bb772ec nginx-0.0.1-2002-09-02-18:48:24 import
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46 #endif
0
4eff17414a43 nginx-0.0.1-2002-08-06-20:39:45 import
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47 unsigned listening:1;
4eff17414a43 nginx-0.0.1-2002-08-06-20:39:45 import
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48 unsigned write:1;
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49
4eff17414a43 nginx-0.0.1-2002-08-06-20:39:45 import
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50 unsigned ready:1;
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51 unsigned timedout:1;
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708f8bb772ec nginx-0.0.1-2002-09-02-18:48:24 import
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52 unsigned blocked:1;
708f8bb772ec nginx-0.0.1-2002-09-02-18:48:24 import
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53
0
4eff17414a43 nginx-0.0.1-2002-08-06-20:39:45 import
Igor Sysoev <igor@sysoev.ru>
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54 unsigned process:1;
4eff17414a43 nginx-0.0.1-2002-08-06-20:39:45 import
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55 unsigned read_discarded:1;
4eff17414a43 nginx-0.0.1-2002-08-06-20:39:45 import
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56
4eff17414a43 nginx-0.0.1-2002-08-06-20:39:45 import
Igor Sysoev <igor@sysoev.ru>
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57 unsigned unexpected_eof:1;
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58
4eff17414a43 nginx-0.0.1-2002-08-06-20:39:45 import
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59 #if (HAVE_DEFERRED_ACCEPT)
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60 unsigned deferred_accept:1;
0
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61 #endif
4eff17414a43 nginx-0.0.1-2002-08-06-20:39:45 import
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62 #if (HAVE_KQUEUE)
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63 unsigned eof:1;
1
d220029ac7f3 nginx-0.0.1-2002-08-15-21:20:26 import
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64 int error;
0
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65 #endif
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66 };
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67
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68 typedef enum {
4eff17414a43 nginx-0.0.1-2002-08-06-20:39:45 import
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69 NGX_SELECT_EVENT = 0,
4eff17414a43 nginx-0.0.1-2002-08-06-20:39:45 import
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70 #if (HAVE_POLL)
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71 NGX_POLL_EVENT,
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72 #endif
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73 #if (HAVE_KQUEUE)
4eff17414a43 nginx-0.0.1-2002-08-06-20:39:45 import
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74 NGX_KQUEUE_EVENT,
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75 #endif
4eff17414a43 nginx-0.0.1-2002-08-06-20:39:45 import
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76 } ngx_event_type_e ;
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77
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78 typedef struct {
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79 int (*add)(ngx_event_t *ev, int event, u_int flags);
4eff17414a43 nginx-0.0.1-2002-08-06-20:39:45 import
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80 int (*del)(ngx_event_t *ev, int event);
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708f8bb772ec nginx-0.0.1-2002-09-02-18:48:24 import
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81 void (*timer)(ngx_event_t *ev, ngx_msec_t timer);
0
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82 int (*process)(ngx_log_t *log);
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83 int (*read)(ngx_event_t *ev, char *buf, size_t size);
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84 /*
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85 int (*write)(ngx_event_t *ev, char *buf, size_t size);
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86 */
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87 } ngx_event_actions_t;
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88
3
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89
1
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90 /*
6
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91 NGX_LEVEL_EVENT (default) select, poll, /dev/poll, kqueue
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92 requires to read whole data
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93 NGX_ONESHOT_EVENT select, poll, kqueue
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94 NGX_CLEAR_EVENT kqueue
6
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95 NGX_AIO_EVENT overlapped, aio_read, aioread
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96 no need to add or delete events
1
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97 */
0
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98
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99 #if (HAVE_KQUEUE)
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100
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101 #define NGX_READ_EVENT EVFILT_READ
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102 #define NGX_WRITE_EVENT EVFILT_WRITE
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103
6
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104 #define NGX_LEVEL_EVENT 0
0
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105 #define NGX_ONESHOT_EVENT EV_ONESHOT
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106
708f8bb772ec nginx-0.0.1-2002-09-02-18:48:24 import
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107 #ifndef HAVE_CLEAR_EVENT
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108 #define HAVE_CLEAR_EVENT 1
9
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109 #endif
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110
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111 #if (HAVE_CLEAR_EVENT)
0
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112 #define NGX_CLEAR_EVENT EV_CLEAR
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113 #endif
0
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114
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115 #else
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116
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117 #define NGX_READ_EVENT 0
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118 #define NGX_WRITE_EVENT 1
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119
6
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120 #define NGX_LEVEL_EVENT 0
0
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diff changeset
121 #define NGX_ONESHOT_EVENT 1
4eff17414a43 nginx-0.0.1-2002-08-06-20:39:45 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
122
4eff17414a43 nginx-0.0.1-2002-08-06-20:39:45 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
123 #endif
4eff17414a43 nginx-0.0.1-2002-08-06-20:39:45 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
124
4eff17414a43 nginx-0.0.1-2002-08-06-20:39:45 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
125
4eff17414a43 nginx-0.0.1-2002-08-06-20:39:45 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
126 #if (USE_KQUEUE)
1
d220029ac7f3 nginx-0.0.1-2002-08-15-21:20:26 import
Igor Sysoev <igor@sysoev.ru>
parents: 0
diff changeset
127
0
4eff17414a43 nginx-0.0.1-2002-08-06-20:39:45 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
128 #define ngx_init_events ngx_kqueue_init
4eff17414a43 nginx-0.0.1-2002-08-06-20:39:45 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
129 #define ngx_process_events ngx_kqueue_process_events
8
708f8bb772ec nginx-0.0.1-2002-09-02-18:48:24 import
Igor Sysoev <igor@sysoev.ru>
parents: 7
diff changeset
130 #define ngx_kqueue_add_event(ev, event) \
708f8bb772ec nginx-0.0.1-2002-09-02-18:48:24 import
Igor Sysoev <igor@sysoev.ru>
parents: 7
diff changeset
131 ngx_kqueue_set_event(ev, event, EV_ADD | flags)
708f8bb772ec nginx-0.0.1-2002-09-02-18:48:24 import
Igor Sysoev <igor@sysoev.ru>
parents: 7
diff changeset
132 #define ngx_kqueue_del_event(ev, event) \
708f8bb772ec nginx-0.0.1-2002-09-02-18:48:24 import
Igor Sysoev <igor@sysoev.ru>
parents: 7
diff changeset
133 ngx_kqueue_set_event(ev, event, EV_DELETE)
708f8bb772ec nginx-0.0.1-2002-09-02-18:48:24 import
Igor Sysoev <igor@sysoev.ru>
parents: 7
diff changeset
134 #define ngx_add_timer ngx_kqueue_add_timer
1
d220029ac7f3 nginx-0.0.1-2002-08-15-21:20:26 import
Igor Sysoev <igor@sysoev.ru>
parents: 0
diff changeset
135 #define ngx_event_recv ngx_event_recv_core
d220029ac7f3 nginx-0.0.1-2002-08-15-21:20:26 import
Igor Sysoev <igor@sysoev.ru>
parents: 0
diff changeset
136
0
4eff17414a43 nginx-0.0.1-2002-08-06-20:39:45 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
137 #else
1
d220029ac7f3 nginx-0.0.1-2002-08-15-21:20:26 import
Igor Sysoev <igor@sysoev.ru>
parents: 0
diff changeset
138
0
4eff17414a43 nginx-0.0.1-2002-08-06-20:39:45 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
139 #define ngx_init_events (ngx_event_init[ngx_event_type])
4eff17414a43 nginx-0.0.1-2002-08-06-20:39:45 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
140 #define ngx_process_events ngx_event_actions.process
4eff17414a43 nginx-0.0.1-2002-08-06-20:39:45 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
141 #define ngx_add_event ngx_event_actions.add
4eff17414a43 nginx-0.0.1-2002-08-06-20:39:45 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
142 #define ngx_del_event ngx_event_actions.del
8
708f8bb772ec nginx-0.0.1-2002-09-02-18:48:24 import
Igor Sysoev <igor@sysoev.ru>
parents: 7
diff changeset
143 #define ngx_add_timer ngx_event_actions.timer
1
d220029ac7f3 nginx-0.0.1-2002-08-15-21:20:26 import
Igor Sysoev <igor@sysoev.ru>
parents: 0
diff changeset
144 #define ngx_event_recv ngx_event_recv_core
d220029ac7f3 nginx-0.0.1-2002-08-15-21:20:26 import
Igor Sysoev <igor@sysoev.ru>
parents: 0
diff changeset
145
0
4eff17414a43 nginx-0.0.1-2002-08-06-20:39:45 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
146 #endif
4eff17414a43 nginx-0.0.1-2002-08-06-20:39:45 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
147
4eff17414a43 nginx-0.0.1-2002-08-06-20:39:45 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
148
7
b5481d6fbbd4 nginx-0.0.1-2002-08-29-20:59:54 import
Igor Sysoev <igor@sysoev.ru>
parents: 6
diff changeset
149 static void ngx_inline ngx_del_timer(ngx_event_t *ev)
b5481d6fbbd4 nginx-0.0.1-2002-08-29-20:59:54 import
Igor Sysoev <igor@sysoev.ru>
parents: 6
diff changeset
150 {
b5481d6fbbd4 nginx-0.0.1-2002-08-29-20:59:54 import
Igor Sysoev <igor@sysoev.ru>
parents: 6
diff changeset
151 if (ev->timer_prev)
b5481d6fbbd4 nginx-0.0.1-2002-08-29-20:59:54 import
Igor Sysoev <igor@sysoev.ru>
parents: 6
diff changeset
152 ev->timer_prev->timer_next = ev->timer_next;
b5481d6fbbd4 nginx-0.0.1-2002-08-29-20:59:54 import
Igor Sysoev <igor@sysoev.ru>
parents: 6
diff changeset
153
b5481d6fbbd4 nginx-0.0.1-2002-08-29-20:59:54 import
Igor Sysoev <igor@sysoev.ru>
parents: 6
diff changeset
154 if (ev->timer_next) {
b5481d6fbbd4 nginx-0.0.1-2002-08-29-20:59:54 import
Igor Sysoev <igor@sysoev.ru>
parents: 6
diff changeset
155 ev->timer_next->timer_prev = ev->timer_prev;
b5481d6fbbd4 nginx-0.0.1-2002-08-29-20:59:54 import
Igor Sysoev <igor@sysoev.ru>
parents: 6
diff changeset
156 ev->timer_next = NULL;
b5481d6fbbd4 nginx-0.0.1-2002-08-29-20:59:54 import
Igor Sysoev <igor@sysoev.ru>
parents: 6
diff changeset
157 }
b5481d6fbbd4 nginx-0.0.1-2002-08-29-20:59:54 import
Igor Sysoev <igor@sysoev.ru>
parents: 6
diff changeset
158
b5481d6fbbd4 nginx-0.0.1-2002-08-29-20:59:54 import
Igor Sysoev <igor@sysoev.ru>
parents: 6
diff changeset
159 if (ev->timer_prev)
b5481d6fbbd4 nginx-0.0.1-2002-08-29-20:59:54 import
Igor Sysoev <igor@sysoev.ru>
parents: 6
diff changeset
160 ev->timer_prev = NULL;
b5481d6fbbd4 nginx-0.0.1-2002-08-29-20:59:54 import
Igor Sysoev <igor@sysoev.ru>
parents: 6
diff changeset
161 }
b5481d6fbbd4 nginx-0.0.1-2002-08-29-20:59:54 import
Igor Sysoev <igor@sysoev.ru>
parents: 6
diff changeset
162
b5481d6fbbd4 nginx-0.0.1-2002-08-29-20:59:54 import
Igor Sysoev <igor@sysoev.ru>
parents: 6
diff changeset
163
b5481d6fbbd4 nginx-0.0.1-2002-08-29-20:59:54 import
Igor Sysoev <igor@sysoev.ru>
parents: 6
diff changeset
164
b5481d6fbbd4 nginx-0.0.1-2002-08-29-20:59:54 import
Igor Sysoev <igor@sysoev.ru>
parents: 6
diff changeset
165
0
4eff17414a43 nginx-0.0.1-2002-08-06-20:39:45 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
166 extern ngx_event_t *ngx_read_events;
4eff17414a43 nginx-0.0.1-2002-08-06-20:39:45 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
167 extern ngx_event_t *ngx_write_events;
4eff17414a43 nginx-0.0.1-2002-08-06-20:39:45 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
168 extern ngx_connection_t *ngx_connections;
4eff17414a43 nginx-0.0.1-2002-08-06-20:39:45 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
169
4eff17414a43 nginx-0.0.1-2002-08-06-20:39:45 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
170 #if !(USE_KQUEUE)
4eff17414a43 nginx-0.0.1-2002-08-06-20:39:45 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
171 extern ngx_event_actions_t ngx_event_actions;
4eff17414a43 nginx-0.0.1-2002-08-06-20:39:45 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
172 extern ngx_event_type_e ngx_event_type;
4eff17414a43 nginx-0.0.1-2002-08-06-20:39:45 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
173 #endif
4eff17414a43 nginx-0.0.1-2002-08-06-20:39:45 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
174
4eff17414a43 nginx-0.0.1-2002-08-06-20:39:45 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
175
3
34a521b1a148 nginx-0.0.1-2002-08-20-18:48:28 import
Igor Sysoev <igor@sysoev.ru>
parents: 1
diff changeset
176 void ngx_pre_thread(ngx_array_t *ls, ngx_pool_t *pool, ngx_log_t *log);
34a521b1a148 nginx-0.0.1-2002-08-20-18:48:28 import
Igor Sysoev <igor@sysoev.ru>
parents: 1
diff changeset
177 void ngx_worker(ngx_log_t *log);
0
4eff17414a43 nginx-0.0.1-2002-08-06-20:39:45 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
178
4eff17414a43 nginx-0.0.1-2002-08-06-20:39:45 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
179
4eff17414a43 nginx-0.0.1-2002-08-06-20:39:45 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
180 #endif /* _NGX_EVENT_H_INCLUDED_ */