Mercurial > hg > nginx
annotate src/event/ngx_event_accept.c @ 75:869b10be682f
nginx-0.0.1-2003-04-14-21:04:58 import
author | Igor Sysoev <igor@sysoev.ru> |
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date | Mon, 14 Apr 2003 17:04:58 +0000 |
parents | e43f406e4525 |
children | 3973260705cc |
rev | line source |
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1 |
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2 #include <nginx.h> |
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4 #include <ngx_config.h> |
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5 #include <ngx_core.h> |
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6 #include <ngx_types.h> |
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7 #include <ngx_log.h> |
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8 #include <ngx_connection.h> |
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9 #include <ngx_event.h> |
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10 #include <ngx_event_close.h> |
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11 #include <ngx_event_accept.h> |
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12 |
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14 /* This function should always return NGX_OK even there are some failures |
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15 because if we return NGX_ERROR then listening socket would be closed */ |
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17 int ngx_event_accept(ngx_event_t *ev) |
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18 { |
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19 socklen_t len; |
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20 struct sockaddr *sa; |
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21 ngx_err_t err; |
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22 ngx_pool_t *pool; |
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23 ngx_socket_t s; |
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24 ngx_event_t *rev, *wev; |
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25 ngx_connection_t *c, *ls; |
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27 ls = (ngx_connection_t *) ev->data; |
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29 ngx_log_debug(ev->log, "ngx_event_accept: accept ready: %d" _ |
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30 ev->available); |
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32 ev->ready = 0; |
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33 |
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34 #if 0 |
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35 /* DEBUG */ ev->available++; |
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36 #endif |
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37 |
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38 do { |
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39 ngx_test_null(pool, ngx_create_pool(ls->pool_size, ev->log), NGX_OK); |
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40 |
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41 ngx_test_null(sa, ngx_palloc(pool, ls->socklen), NGX_OK); |
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42 len = ls->socklen; |
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43 |
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44 s = accept(ls->fd, sa, &len); |
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45 if (s == -1) { |
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46 err = ngx_socket_errno; |
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47 ngx_destroy_pool(pool); |
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48 |
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49 if (err == NGX_EAGAIN) { |
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50 ngx_log_error(NGX_LOG_NOTICE, ev->log, err, |
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51 "EAGAIN while accept %s", ls->addr_text.data); |
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52 return NGX_OK; |
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53 } |
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54 |
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55 ngx_log_error(NGX_LOG_ALERT, ev->log, err, |
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56 "accept %s failed", ls->addr_text.data); |
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57 return NGX_OK; |
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58 } |
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59 |
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60 |
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61 #if (HAVE_INHERITED_NONBLOCK) |
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62 |
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63 #if (HAVE_AIO_EVENT) |
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64 if ((ngx_event_flags & NGX_HAVE_AIO_EVENT)) { |
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65 if (ngx_blocking(s) == -1) { |
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66 ngx_log_error(NGX_LOG_ALERT, ev->log, ngx_socket_errno, |
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67 ngx_blocking_n " %s failed", ls->addr_text.data); |
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68 return NGX_OK; |
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69 } |
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70 } |
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71 #endif |
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72 |
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73 #else /* !HAVE_INHERITED_NONBLOCK */ |
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74 |
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75 #if (HAVE_AIO_EVENT) |
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76 if (!(ngx_event_flags & NGX_HAVE_AIO_EVENT)) { |
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77 if (ngx_nonblocking(s) == -1) { |
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78 ngx_log_error(NGX_LOG_ALERT, ev->log, ngx_socket_errno, |
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79 ngx_nonblocking_n " %s failed", ls->addr_text.data); |
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80 return NGX_OK; |
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81 } |
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82 } |
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83 #else |
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84 if (ngx_nonblocking(s) == -1) { |
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85 ngx_log_error(NGX_LOG_ALERT, ev->log, ngx_socket_errno, |
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86 ngx_nonblocking_n " %s failed", ls->addr_text.data); |
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87 return NGX_OK; |
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88 } |
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89 #endif |
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90 |
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91 #endif /* HAVE_INHERITED_NONBLOCK */ |
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92 |
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93 |
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94 rev = &ngx_read_events[s]; |
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95 wev = &ngx_write_events[s]; |
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96 c = &ngx_connections[s]; |
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97 |
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98 ngx_memzero(rev, sizeof(ngx_event_t)); |
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99 ngx_memzero(wev, sizeof(ngx_event_t)); |
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100 ngx_memzero(c, sizeof(ngx_connection_t)); |
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101 |
57
a499e0d1f16e
nginx-0.0.1-2003-01-30-10:28:09 import
Igor Sysoev <igor@sysoev.ru>
parents:
44
diff
changeset
|
102 c->pool = pool; |
a499e0d1f16e
nginx-0.0.1-2003-01-30-10:28:09 import
Igor Sysoev <igor@sysoev.ru>
parents:
44
diff
changeset
|
103 |
a499e0d1f16e
nginx-0.0.1-2003-01-30-10:28:09 import
Igor Sysoev <igor@sysoev.ru>
parents:
44
diff
changeset
|
104 c->sockaddr = sa; |
a499e0d1f16e
nginx-0.0.1-2003-01-30-10:28:09 import
Igor Sysoev <igor@sysoev.ru>
parents:
44
diff
changeset
|
105 c->family = ls->family; |
a499e0d1f16e
nginx-0.0.1-2003-01-30-10:28:09 import
Igor Sysoev <igor@sysoev.ru>
parents:
44
diff
changeset
|
106 c->socklen = len; |
a499e0d1f16e
nginx-0.0.1-2003-01-30-10:28:09 import
Igor Sysoev <igor@sysoev.ru>
parents:
44
diff
changeset
|
107 c->addr = ls->addr; |
a499e0d1f16e
nginx-0.0.1-2003-01-30-10:28:09 import
Igor Sysoev <igor@sysoev.ru>
parents:
44
diff
changeset
|
108 c->addr_text_max_len = ls->addr_text_max_len; |
a499e0d1f16e
nginx-0.0.1-2003-01-30-10:28:09 import
Igor Sysoev <igor@sysoev.ru>
parents:
44
diff
changeset
|
109 c->post_accept_timeout = ls->post_accept_timeout; |
6
669801705ab1
nginx-0.0.1-2002-08-26-19:18:19 import
Igor Sysoev <igor@sysoev.ru>
parents:
3
diff
changeset
|
110 |
26
53cb81681040
nginx-0.0.1-2002-12-15-09:25:09 import
Igor Sysoev <igor@sysoev.ru>
parents:
24
diff
changeset
|
111 rev->index = wev->index = NGX_INVALID_INDEX; |
0
4eff17414a43
nginx-0.0.1-2002-08-06-20:39:45 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
112 |
26
53cb81681040
nginx-0.0.1-2002-12-15-09:25:09 import
Igor Sysoev <igor@sysoev.ru>
parents:
24
diff
changeset
|
113 rev->data = wev->data = c; |
53cb81681040
nginx-0.0.1-2002-12-15-09:25:09 import
Igor Sysoev <igor@sysoev.ru>
parents:
24
diff
changeset
|
114 c->read = rev; |
53cb81681040
nginx-0.0.1-2002-12-15-09:25:09 import
Igor Sysoev <igor@sysoev.ru>
parents:
24
diff
changeset
|
115 c->write = wev; |
0
4eff17414a43
nginx-0.0.1-2002-08-06-20:39:45 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
116 |
26
53cb81681040
nginx-0.0.1-2002-12-15-09:25:09 import
Igor Sysoev <igor@sysoev.ru>
parents:
24
diff
changeset
|
117 c->fd = s; |
53cb81681040
nginx-0.0.1-2002-12-15-09:25:09 import
Igor Sysoev <igor@sysoev.ru>
parents:
24
diff
changeset
|
118 c->unexpected_eof = 1; |
53cb81681040
nginx-0.0.1-2002-12-15-09:25:09 import
Igor Sysoev <igor@sysoev.ru>
parents:
24
diff
changeset
|
119 wev->write = 1; |
69
e43f406e4525
nginx-0.0.1-2003-03-20-19:09:44 import
Igor Sysoev <igor@sysoev.ru>
parents:
64
diff
changeset
|
120 rev->first = wev->first = 1; |
0
4eff17414a43
nginx-0.0.1-2002-08-06-20:39:45 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
121 |
75
869b10be682f
nginx-0.0.1-2003-04-14-21:04:58 import
Igor Sysoev <igor@sysoev.ru>
parents:
69
diff
changeset
|
122 #if (USE_KQUEUE) |
869b10be682f
nginx-0.0.1-2003-04-14-21:04:58 import
Igor Sysoev <igor@sysoev.ru>
parents:
69
diff
changeset
|
123 wev->ready = 1; |
869b10be682f
nginx-0.0.1-2003-04-14-21:04:58 import
Igor Sysoev <igor@sysoev.ru>
parents:
69
diff
changeset
|
124 #else |
869b10be682f
nginx-0.0.1-2003-04-14-21:04:58 import
Igor Sysoev <igor@sysoev.ru>
parents:
69
diff
changeset
|
125 if ((ngx_event_flags & NGX_USE_AIO_EVENT) == 0) { |
59
e8cdc2989cee
nginx-0.0.1-2003-02-06-20:21:13 import
Igor Sysoev <igor@sysoev.ru>
parents:
57
diff
changeset
|
126 wev->ready = 1; |
e8cdc2989cee
nginx-0.0.1-2003-02-06-20:21:13 import
Igor Sysoev <igor@sysoev.ru>
parents:
57
diff
changeset
|
127 } |
e8cdc2989cee
nginx-0.0.1-2003-02-06-20:21:13 import
Igor Sysoev <igor@sysoev.ru>
parents:
57
diff
changeset
|
128 #endif |
e8cdc2989cee
nginx-0.0.1-2003-02-06-20:21:13 import
Igor Sysoev <igor@sysoev.ru>
parents:
57
diff
changeset
|
129 |
e8cdc2989cee
nginx-0.0.1-2003-02-06-20:21:13 import
Igor Sysoev <igor@sysoev.ru>
parents:
57
diff
changeset
|
130 /* STUB ? */ wev->timer = rev->timer = 10000; |
e8cdc2989cee
nginx-0.0.1-2003-02-06-20:21:13 import
Igor Sysoev <igor@sysoev.ru>
parents:
57
diff
changeset
|
131 |
26
53cb81681040
nginx-0.0.1-2002-12-15-09:25:09 import
Igor Sysoev <igor@sysoev.ru>
parents:
24
diff
changeset
|
132 wev->timer_handler = rev->timer_handler = ngx_event_close_connection; |
53cb81681040
nginx-0.0.1-2002-12-15-09:25:09 import
Igor Sysoev <igor@sysoev.ru>
parents:
24
diff
changeset
|
133 wev->close_handler = rev->close_handler = ngx_event_close_connection; |
0
4eff17414a43
nginx-0.0.1-2002-08-06-20:39:45 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
134 |
57
a499e0d1f16e
nginx-0.0.1-2003-01-30-10:28:09 import
Igor Sysoev <igor@sysoev.ru>
parents:
44
diff
changeset
|
135 c->ctx = ls->ctx; |
a499e0d1f16e
nginx-0.0.1-2003-01-30-10:28:09 import
Igor Sysoev <igor@sysoev.ru>
parents:
44
diff
changeset
|
136 c->servers = ls->servers; |
0
4eff17414a43
nginx-0.0.1-2002-08-06-20:39:45 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
137 |
57
a499e0d1f16e
nginx-0.0.1-2003-01-30-10:28:09 import
Igor Sysoev <igor@sysoev.ru>
parents:
44
diff
changeset
|
138 ngx_test_null(c->log, ngx_palloc(c->pool, sizeof(ngx_log_t)), NGX_OK); |
a499e0d1f16e
nginx-0.0.1-2003-01-30-10:28:09 import
Igor Sysoev <igor@sysoev.ru>
parents:
44
diff
changeset
|
139 ngx_memcpy(c->log, ev->log, sizeof(ngx_log_t)); |
a499e0d1f16e
nginx-0.0.1-2003-01-30-10:28:09 import
Igor Sysoev <igor@sysoev.ru>
parents:
44
diff
changeset
|
140 rev->log = wev->log = c->log; |
a499e0d1f16e
nginx-0.0.1-2003-01-30-10:28:09 import
Igor Sysoev <igor@sysoev.ru>
parents:
44
diff
changeset
|
141 |
a499e0d1f16e
nginx-0.0.1-2003-01-30-10:28:09 import
Igor Sysoev <igor@sysoev.ru>
parents:
44
diff
changeset
|
142 /* STUB: x86: SP: xadd ?, MT: lock xadd, MP: lock xadd, shared */ |
26
53cb81681040
nginx-0.0.1-2002-12-15-09:25:09 import
Igor Sysoev <igor@sysoev.ru>
parents:
24
diff
changeset
|
143 c->number = ngx_connection_counter++; |
53cb81681040
nginx-0.0.1-2002-12-15-09:25:09 import
Igor Sysoev <igor@sysoev.ru>
parents:
24
diff
changeset
|
144 |
53cb81681040
nginx-0.0.1-2002-12-15-09:25:09 import
Igor Sysoev <igor@sysoev.ru>
parents:
24
diff
changeset
|
145 ngx_log_debug(ev->log, "ngx_event_accept: accept: %d, %d" _ |
57
a499e0d1f16e
nginx-0.0.1-2003-01-30-10:28:09 import
Igor Sysoev <igor@sysoev.ru>
parents:
44
diff
changeset
|
146 s _ c->number); |
6
669801705ab1
nginx-0.0.1-2002-08-26-19:18:19 import
Igor Sysoev <igor@sysoev.ru>
parents:
3
diff
changeset
|
147 |
0
4eff17414a43
nginx-0.0.1-2002-08-06-20:39:45 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
148 #if (HAVE_DEFERRED_ACCEPT) |
57
a499e0d1f16e
nginx-0.0.1-2003-01-30-10:28:09 import
Igor Sysoev <igor@sysoev.ru>
parents:
44
diff
changeset
|
149 if (ev->accept_filter) { |
26
53cb81681040
nginx-0.0.1-2002-12-15-09:25:09 import
Igor Sysoev <igor@sysoev.ru>
parents:
24
diff
changeset
|
150 rev->ready = 1; |
57
a499e0d1f16e
nginx-0.0.1-2003-01-30-10:28:09 import
Igor Sysoev <igor@sysoev.ru>
parents:
44
diff
changeset
|
151 } |
0
4eff17414a43
nginx-0.0.1-2002-08-06-20:39:45 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
152 #endif |
4eff17414a43
nginx-0.0.1-2002-08-06-20:39:45 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
153 |
64
34d647deb1da
nginx-0.0.1-2003-03-04-09:33:48 import
Igor Sysoev <igor@sysoev.ru>
parents:
63
diff
changeset
|
154 #if (HAVE_EDGE_EVENT) /* epoll */ |
34d647deb1da
nginx-0.0.1-2003-03-04-09:33:48 import
Igor Sysoev <igor@sysoev.ru>
parents:
63
diff
changeset
|
155 |
34d647deb1da
nginx-0.0.1-2003-03-04-09:33:48 import
Igor Sysoev <igor@sysoev.ru>
parents:
63
diff
changeset
|
156 if (ngx_event_flags & NGX_HAVE_EDGE_EVENT) { |
34d647deb1da
nginx-0.0.1-2003-03-04-09:33:48 import
Igor Sysoev <igor@sysoev.ru>
parents:
63
diff
changeset
|
157 if (ngx_edge_add_event(ev) == NGX_ERROR) { |
34d647deb1da
nginx-0.0.1-2003-03-04-09:33:48 import
Igor Sysoev <igor@sysoev.ru>
parents:
63
diff
changeset
|
158 return NGX_OK; |
34d647deb1da
nginx-0.0.1-2003-03-04-09:33:48 import
Igor Sysoev <igor@sysoev.ru>
parents:
63
diff
changeset
|
159 } |
34d647deb1da
nginx-0.0.1-2003-03-04-09:33:48 import
Igor Sysoev <igor@sysoev.ru>
parents:
63
diff
changeset
|
160 } |
34d647deb1da
nginx-0.0.1-2003-03-04-09:33:48 import
Igor Sysoev <igor@sysoev.ru>
parents:
63
diff
changeset
|
161 |
34d647deb1da
nginx-0.0.1-2003-03-04-09:33:48 import
Igor Sysoev <igor@sysoev.ru>
parents:
63
diff
changeset
|
162 #endif |
34d647deb1da
nginx-0.0.1-2003-03-04-09:33:48 import
Igor Sysoev <igor@sysoev.ru>
parents:
63
diff
changeset
|
163 |
57
a499e0d1f16e
nginx-0.0.1-2003-01-30-10:28:09 import
Igor Sysoev <igor@sysoev.ru>
parents:
44
diff
changeset
|
164 ls->handler(c); |
a499e0d1f16e
nginx-0.0.1-2003-01-30-10:28:09 import
Igor Sysoev <igor@sysoev.ru>
parents:
44
diff
changeset
|
165 |
a499e0d1f16e
nginx-0.0.1-2003-01-30-10:28:09 import
Igor Sysoev <igor@sysoev.ru>
parents:
44
diff
changeset
|
166 #if (USE_KQUEUE) |
a499e0d1f16e
nginx-0.0.1-2003-01-30-10:28:09 import
Igor Sysoev <igor@sysoev.ru>
parents:
44
diff
changeset
|
167 |
a499e0d1f16e
nginx-0.0.1-2003-01-30-10:28:09 import
Igor Sysoev <igor@sysoev.ru>
parents:
44
diff
changeset
|
168 ev->available--; |
0
4eff17414a43
nginx-0.0.1-2002-08-06-20:39:45 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
169 |
57
a499e0d1f16e
nginx-0.0.1-2003-01-30-10:28:09 import
Igor Sysoev <igor@sysoev.ru>
parents:
44
diff
changeset
|
170 #elif (HAVE_KQUEUE) |
a499e0d1f16e
nginx-0.0.1-2003-01-30-10:28:09 import
Igor Sysoev <igor@sysoev.ru>
parents:
44
diff
changeset
|
171 |
63
36d2c25cc9bb
nginx-0.0.1-2003-02-26-23:21:43 import
Igor Sysoev <igor@sysoev.ru>
parents:
60
diff
changeset
|
172 /* |
36d2c25cc9bb
nginx-0.0.1-2003-02-26-23:21:43 import
Igor Sysoev <igor@sysoev.ru>
parents:
60
diff
changeset
|
173 if (ngx_event_type == NGX_HAVE_AIO_EVENT or NGX_HAVE_KQUEUE_EVENT) { |
36d2c25cc9bb
nginx-0.0.1-2003-02-26-23:21:43 import
Igor Sysoev <igor@sysoev.ru>
parents:
60
diff
changeset
|
174 */ |
60
50186b49f2ad
nginx-0.0.1-2003-02-11-10:14:40 import
Igor Sysoev <igor@sysoev.ru>
parents:
59
diff
changeset
|
175 if (ngx_event_type == NGX_HAVE_KQUEUE_EVENT) { |
0
4eff17414a43
nginx-0.0.1-2002-08-06-20:39:45 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
176 ev->available--; |
57
a499e0d1f16e
nginx-0.0.1-2003-01-30-10:28:09 import
Igor Sysoev <igor@sysoev.ru>
parents:
44
diff
changeset
|
177 } |
a499e0d1f16e
nginx-0.0.1-2003-01-30-10:28:09 import
Igor Sysoev <igor@sysoev.ru>
parents:
44
diff
changeset
|
178 |
0
4eff17414a43
nginx-0.0.1-2002-08-06-20:39:45 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
179 #endif |
4eff17414a43
nginx-0.0.1-2002-08-06-20:39:45 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
180 } while (ev->available); |
4eff17414a43
nginx-0.0.1-2002-08-06-20:39:45 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
181 |
57
a499e0d1f16e
nginx-0.0.1-2003-01-30-10:28:09 import
Igor Sysoev <igor@sysoev.ru>
parents:
44
diff
changeset
|
182 return NGX_OK; |
0
4eff17414a43
nginx-0.0.1-2002-08-06-20:39:45 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
183 } |