Mercurial > hg > nginx

annotate src/event/modules/ngx_poll_module.c @ 36:c14d7232b11f

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nginx-0.0.1-2002-12-23-09:29:22 import
author Igor Sysoev <igor@sysoev.ru>
date Mon, 23 Dec 2002 06:29:22 +0000
parents
children 9fe40e51d4a3
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
rev   line source
36
c14d7232b11f nginx-0.0.1-2002-12-23-09:29:22 import
Igor Sysoev <igor@sysoev.ru>
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1
c14d7232b11f nginx-0.0.1-2002-12-23-09:29:22 import
Igor Sysoev <igor@sysoev.ru>
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2 #include <ngx_config.h>
c14d7232b11f nginx-0.0.1-2002-12-23-09:29:22 import
Igor Sysoev <igor@sysoev.ru>
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3 #include <ngx_core.h>
c14d7232b11f nginx-0.0.1-2002-12-23-09:29:22 import
Igor Sysoev <igor@sysoev.ru>
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4 #include <ngx_types.h>
c14d7232b11f nginx-0.0.1-2002-12-23-09:29:22 import
Igor Sysoev <igor@sysoev.ru>
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5 #include <ngx_log.h>
c14d7232b11f nginx-0.0.1-2002-12-23-09:29:22 import
Igor Sysoev <igor@sysoev.ru>
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6 #include <ngx_time.h>
c14d7232b11f nginx-0.0.1-2002-12-23-09:29:22 import
Igor Sysoev <igor@sysoev.ru>
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7 #include <ngx_connection.h>
c14d7232b11f nginx-0.0.1-2002-12-23-09:29:22 import
Igor Sysoev <igor@sysoev.ru>
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8 #include <ngx_event.h>
c14d7232b11f nginx-0.0.1-2002-12-23-09:29:22 import
Igor Sysoev <igor@sysoev.ru>
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9 #include <ngx_poll_module.h>
c14d7232b11f nginx-0.0.1-2002-12-23-09:29:22 import
Igor Sysoev <igor@sysoev.ru>
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10
c14d7232b11f nginx-0.0.1-2002-12-23-09:29:22 import
Igor Sysoev <igor@sysoev.ru>
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11
c14d7232b11f nginx-0.0.1-2002-12-23-09:29:22 import
Igor Sysoev <igor@sysoev.ru>
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12 /* should be per-thread */
c14d7232b11f nginx-0.0.1-2002-12-23-09:29:22 import
Igor Sysoev <igor@sysoev.ru>
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13 static struct pollfd *event_list;
c14d7232b11f nginx-0.0.1-2002-12-23-09:29:22 import
Igor Sysoev <igor@sysoev.ru>
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14 static int nevents;
c14d7232b11f nginx-0.0.1-2002-12-23-09:29:22 import
Igor Sysoev <igor@sysoev.ru>
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15
c14d7232b11f nginx-0.0.1-2002-12-23-09:29:22 import
Igor Sysoev <igor@sysoev.ru>
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16 static ngx_event_t **event_index;
c14d7232b11f nginx-0.0.1-2002-12-23-09:29:22 import
Igor Sysoev <igor@sysoev.ru>
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17 static ngx_event_t timer_queue;
c14d7232b11f nginx-0.0.1-2002-12-23-09:29:22 import
Igor Sysoev <igor@sysoev.ru>
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18 /* */
c14d7232b11f nginx-0.0.1-2002-12-23-09:29:22 import
Igor Sysoev <igor@sysoev.ru>
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19
c14d7232b11f nginx-0.0.1-2002-12-23-09:29:22 import
Igor Sysoev <igor@sysoev.ru>
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20 int ngx_poll_init(int max_connections, ngx_log_t *log)
c14d7232b11f nginx-0.0.1-2002-12-23-09:29:22 import
Igor Sysoev <igor@sysoev.ru>
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21 {
c14d7232b11f nginx-0.0.1-2002-12-23-09:29:22 import
Igor Sysoev <igor@sysoev.ru>
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22 ngx_test_null(event_list,
c14d7232b11f nginx-0.0.1-2002-12-23-09:29:22 import
Igor Sysoev <igor@sysoev.ru>
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23 ngx_alloc(sizeof(struct pollfd) * max_connections, log),
c14d7232b11f nginx-0.0.1-2002-12-23-09:29:22 import
Igor Sysoev <igor@sysoev.ru>
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24 NGX_ERROR);
c14d7232b11f nginx-0.0.1-2002-12-23-09:29:22 import
Igor Sysoev <igor@sysoev.ru>
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25
c14d7232b11f nginx-0.0.1-2002-12-23-09:29:22 import
Igor Sysoev <igor@sysoev.ru>
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26 ngx_test_null(event_index,
c14d7232b11f nginx-0.0.1-2002-12-23-09:29:22 import
Igor Sysoev <igor@sysoev.ru>
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27 ngx_alloc(sizeof(ngx_event_t *) * max_connections, log),
c14d7232b11f nginx-0.0.1-2002-12-23-09:29:22 import
Igor Sysoev <igor@sysoev.ru>
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28 NGX_ERROR);
c14d7232b11f nginx-0.0.1-2002-12-23-09:29:22 import
Igor Sysoev <igor@sysoev.ru>
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29
c14d7232b11f nginx-0.0.1-2002-12-23-09:29:22 import
Igor Sysoev <igor@sysoev.ru>
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30 nevents = 0;
c14d7232b11f nginx-0.0.1-2002-12-23-09:29:22 import
Igor Sysoev <igor@sysoev.ru>
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31
c14d7232b11f nginx-0.0.1-2002-12-23-09:29:22 import
Igor Sysoev <igor@sysoev.ru>
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32 timer_queue.timer_prev = &timer_queue;
c14d7232b11f nginx-0.0.1-2002-12-23-09:29:22 import
Igor Sysoev <igor@sysoev.ru>
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33 timer_queue.timer_next = &timer_queue;
c14d7232b11f nginx-0.0.1-2002-12-23-09:29:22 import
Igor Sysoev <igor@sysoev.ru>
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34
c14d7232b11f nginx-0.0.1-2002-12-23-09:29:22 import
Igor Sysoev <igor@sysoev.ru>
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35 ngx_event_actions.add = ngx_poll_add_event;
c14d7232b11f nginx-0.0.1-2002-12-23-09:29:22 import
Igor Sysoev <igor@sysoev.ru>
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36 ngx_event_actions.del = ngx_poll_del_event;
c14d7232b11f nginx-0.0.1-2002-12-23-09:29:22 import
Igor Sysoev <igor@sysoev.ru>
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37 ngx_event_actions.timer = ngx_poll_add_timer;
c14d7232b11f nginx-0.0.1-2002-12-23-09:29:22 import
Igor Sysoev <igor@sysoev.ru>
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38 ngx_event_actions.process = ngx_poll_process_events;
c14d7232b11f nginx-0.0.1-2002-12-23-09:29:22 import
Igor Sysoev <igor@sysoev.ru>
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39
c14d7232b11f nginx-0.0.1-2002-12-23-09:29:22 import
Igor Sysoev <igor@sysoev.ru>
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40 return NGX_OK;
c14d7232b11f nginx-0.0.1-2002-12-23-09:29:22 import
Igor Sysoev <igor@sysoev.ru>
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41 }
c14d7232b11f nginx-0.0.1-2002-12-23-09:29:22 import
Igor Sysoev <igor@sysoev.ru>
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42
c14d7232b11f nginx-0.0.1-2002-12-23-09:29:22 import
Igor Sysoev <igor@sysoev.ru>
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43 int ngx_poll_add_event(ngx_event_t *ev, int event, u_int flags)
c14d7232b11f nginx-0.0.1-2002-12-23-09:29:22 import
Igor Sysoev <igor@sysoev.ru>
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44 {
c14d7232b11f nginx-0.0.1-2002-12-23-09:29:22 import
Igor Sysoev <igor@sysoev.ru>
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45 ngx_event_t *e;
c14d7232b11f nginx-0.0.1-2002-12-23-09:29:22 import
Igor Sysoev <igor@sysoev.ru>
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46 ngx_connection_t *c;
c14d7232b11f nginx-0.0.1-2002-12-23-09:29:22 import
Igor Sysoev <igor@sysoev.ru>
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47
c14d7232b11f nginx-0.0.1-2002-12-23-09:29:22 import
Igor Sysoev <igor@sysoev.ru>
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48 c = (ngx_connection_t *) ev->data;
c14d7232b11f nginx-0.0.1-2002-12-23-09:29:22 import
Igor Sysoev <igor@sysoev.ru>
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49
c14d7232b11f nginx-0.0.1-2002-12-23-09:29:22 import
Igor Sysoev <igor@sysoev.ru>
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50 ev->oneshot = (flags & NGX_ONESHOT_EVENT) ? 1: 0;
c14d7232b11f nginx-0.0.1-2002-12-23-09:29:22 import
Igor Sysoev <igor@sysoev.ru>
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51
c14d7232b11f nginx-0.0.1-2002-12-23-09:29:22 import
Igor Sysoev <igor@sysoev.ru>
parents:
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52 if (event == NGX_READ_EVENT) {
c14d7232b11f nginx-0.0.1-2002-12-23-09:29:22 import
Igor Sysoev <igor@sysoev.ru>
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53 e = c->write;
c14d7232b11f nginx-0.0.1-2002-12-23-09:29:22 import
Igor Sysoev <igor@sysoev.ru>
parents:
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54 #if (NGX_READ_EVENT != POLLIN)
c14d7232b11f nginx-0.0.1-2002-12-23-09:29:22 import
Igor Sysoev <igor@sysoev.ru>
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55 event = POLLIN;
c14d7232b11f nginx-0.0.1-2002-12-23-09:29:22 import
Igor Sysoev <igor@sysoev.ru>
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56 #endif
c14d7232b11f nginx-0.0.1-2002-12-23-09:29:22 import
Igor Sysoev <igor@sysoev.ru>
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57
c14d7232b11f nginx-0.0.1-2002-12-23-09:29:22 import
Igor Sysoev <igor@sysoev.ru>
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58 } else {
c14d7232b11f nginx-0.0.1-2002-12-23-09:29:22 import
Igor Sysoev <igor@sysoev.ru>
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59 e = c->read;
c14d7232b11f nginx-0.0.1-2002-12-23-09:29:22 import
Igor Sysoev <igor@sysoev.ru>
parents:
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60 #if (NGX_WRITE_EVENT != POLLOUT)
c14d7232b11f nginx-0.0.1-2002-12-23-09:29:22 import
Igor Sysoev <igor@sysoev.ru>
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61 event = POLLOUT;
c14d7232b11f nginx-0.0.1-2002-12-23-09:29:22 import
Igor Sysoev <igor@sysoev.ru>
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62 #endif
c14d7232b11f nginx-0.0.1-2002-12-23-09:29:22 import
Igor Sysoev <igor@sysoev.ru>
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63 }
c14d7232b11f nginx-0.0.1-2002-12-23-09:29:22 import
Igor Sysoev <igor@sysoev.ru>
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64
c14d7232b11f nginx-0.0.1-2002-12-23-09:29:22 import
Igor Sysoev <igor@sysoev.ru>
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65 ngx_log_debug(ev->log, "poll fd:%d event:%d" _ c->fd _ event);
c14d7232b11f nginx-0.0.1-2002-12-23-09:29:22 import
Igor Sysoev <igor@sysoev.ru>
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66
c14d7232b11f nginx-0.0.1-2002-12-23-09:29:22 import
Igor Sysoev <igor@sysoev.ru>
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67 if (e == NULL || e->index == NGX_INVALID_INDEX) {
c14d7232b11f nginx-0.0.1-2002-12-23-09:29:22 import
Igor Sysoev <igor@sysoev.ru>
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68 event_list[nevents].fd = c->fd;
c14d7232b11f nginx-0.0.1-2002-12-23-09:29:22 import
Igor Sysoev <igor@sysoev.ru>
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69 event_list[nevents].events = event;
c14d7232b11f nginx-0.0.1-2002-12-23-09:29:22 import
Igor Sysoev <igor@sysoev.ru>
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70 event_list[nevents].revents = 0;
c14d7232b11f nginx-0.0.1-2002-12-23-09:29:22 import
Igor Sysoev <igor@sysoev.ru>
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71
c14d7232b11f nginx-0.0.1-2002-12-23-09:29:22 import
Igor Sysoev <igor@sysoev.ru>
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72 event_index[nevents] = ev;
c14d7232b11f nginx-0.0.1-2002-12-23-09:29:22 import
Igor Sysoev <igor@sysoev.ru>
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73 ev->index = nevents;
c14d7232b11f nginx-0.0.1-2002-12-23-09:29:22 import
Igor Sysoev <igor@sysoev.ru>
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74 nevents++;
c14d7232b11f nginx-0.0.1-2002-12-23-09:29:22 import
Igor Sysoev <igor@sysoev.ru>
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75
c14d7232b11f nginx-0.0.1-2002-12-23-09:29:22 import
Igor Sysoev <igor@sysoev.ru>
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76 } else {
c14d7232b11f nginx-0.0.1-2002-12-23-09:29:22 import
Igor Sysoev <igor@sysoev.ru>
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77 event_list[e->index].events |= event;
c14d7232b11f nginx-0.0.1-2002-12-23-09:29:22 import
Igor Sysoev <igor@sysoev.ru>
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78 ev->index = e->index;
c14d7232b11f nginx-0.0.1-2002-12-23-09:29:22 import
Igor Sysoev <igor@sysoev.ru>
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79 }
c14d7232b11f nginx-0.0.1-2002-12-23-09:29:22 import
Igor Sysoev <igor@sysoev.ru>
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80
c14d7232b11f nginx-0.0.1-2002-12-23-09:29:22 import
Igor Sysoev <igor@sysoev.ru>
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81 return NGX_OK;
c14d7232b11f nginx-0.0.1-2002-12-23-09:29:22 import
Igor Sysoev <igor@sysoev.ru>
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82 }
c14d7232b11f nginx-0.0.1-2002-12-23-09:29:22 import
Igor Sysoev <igor@sysoev.ru>
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83
c14d7232b11f nginx-0.0.1-2002-12-23-09:29:22 import
Igor Sysoev <igor@sysoev.ru>
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84 int ngx_poll_del_event(ngx_event_t *ev, int event, u_int flags)
c14d7232b11f nginx-0.0.1-2002-12-23-09:29:22 import
Igor Sysoev <igor@sysoev.ru>
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85 {
c14d7232b11f nginx-0.0.1-2002-12-23-09:29:22 import
Igor Sysoev <igor@sysoev.ru>
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86 ngx_event_t *e;
c14d7232b11f nginx-0.0.1-2002-12-23-09:29:22 import
Igor Sysoev <igor@sysoev.ru>
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87 ngx_connection_t *c;
c14d7232b11f nginx-0.0.1-2002-12-23-09:29:22 import
Igor Sysoev <igor@sysoev.ru>
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88
c14d7232b11f nginx-0.0.1-2002-12-23-09:29:22 import
Igor Sysoev <igor@sysoev.ru>
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89 c = (ngx_connection_t *) ev->data;
c14d7232b11f nginx-0.0.1-2002-12-23-09:29:22 import
Igor Sysoev <igor@sysoev.ru>
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90
c14d7232b11f nginx-0.0.1-2002-12-23-09:29:22 import
Igor Sysoev <igor@sysoev.ru>
parents:
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91 if (ev->index == NGX_INVALID_INDEX)
c14d7232b11f nginx-0.0.1-2002-12-23-09:29:22 import
Igor Sysoev <igor@sysoev.ru>
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92 return NGX_OK;
c14d7232b11f nginx-0.0.1-2002-12-23-09:29:22 import
Igor Sysoev <igor@sysoev.ru>
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93
c14d7232b11f nginx-0.0.1-2002-12-23-09:29:22 import
Igor Sysoev <igor@sysoev.ru>
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diff changeset
94 if (event == NGX_READ_EVENT) {
c14d7232b11f nginx-0.0.1-2002-12-23-09:29:22 import
Igor Sysoev <igor@sysoev.ru>
parents:
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95 e = c->write;
c14d7232b11f nginx-0.0.1-2002-12-23-09:29:22 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
96 #if (NGX_READ_EVENT != POLLIN)
c14d7232b11f nginx-0.0.1-2002-12-23-09:29:22 import
Igor Sysoev <igor@sysoev.ru>
parents:
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97 event = POLLIN;
c14d7232b11f nginx-0.0.1-2002-12-23-09:29:22 import
Igor Sysoev <igor@sysoev.ru>
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98 #endif
c14d7232b11f nginx-0.0.1-2002-12-23-09:29:22 import
Igor Sysoev <igor@sysoev.ru>
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99
c14d7232b11f nginx-0.0.1-2002-12-23-09:29:22 import
Igor Sysoev <igor@sysoev.ru>
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100 } else {
c14d7232b11f nginx-0.0.1-2002-12-23-09:29:22 import
Igor Sysoev <igor@sysoev.ru>
parents:
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101 e = c->read;
c14d7232b11f nginx-0.0.1-2002-12-23-09:29:22 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
102 #if (NGX_WRITE_EVENT != POLLOUT)
c14d7232b11f nginx-0.0.1-2002-12-23-09:29:22 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
103 event = POLLOUT;
c14d7232b11f nginx-0.0.1-2002-12-23-09:29:22 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
104 #endif
c14d7232b11f nginx-0.0.1-2002-12-23-09:29:22 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
105 }
c14d7232b11f nginx-0.0.1-2002-12-23-09:29:22 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
106
c14d7232b11f nginx-0.0.1-2002-12-23-09:29:22 import
Igor Sysoev <igor@sysoev.ru>
parents:
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107 ngx_log_debug(c->log, "del event: %d, %d" _ c->fd _ event);
c14d7232b11f nginx-0.0.1-2002-12-23-09:29:22 import
Igor Sysoev <igor@sysoev.ru>
parents:
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108
c14d7232b11f nginx-0.0.1-2002-12-23-09:29:22 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
109 if (e == NULL || e->index == NGX_INVALID_INDEX) {
c14d7232b11f nginx-0.0.1-2002-12-23-09:29:22 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
110 if (ev->index < --nevents) {
c14d7232b11f nginx-0.0.1-2002-12-23-09:29:22 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
111 event_index[ev->index] = event_index[nevents];
c14d7232b11f nginx-0.0.1-2002-12-23-09:29:22 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
112 event_index[ev->index]->index = ev->index;
c14d7232b11f nginx-0.0.1-2002-12-23-09:29:22 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
113 }
c14d7232b11f nginx-0.0.1-2002-12-23-09:29:22 import
Igor Sysoev <igor@sysoev.ru>
parents:
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114
c14d7232b11f nginx-0.0.1-2002-12-23-09:29:22 import
Igor Sysoev <igor@sysoev.ru>
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115 } else {
c14d7232b11f nginx-0.0.1-2002-12-23-09:29:22 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
116 event_list[e->index].events &= ~event;
c14d7232b11f nginx-0.0.1-2002-12-23-09:29:22 import
Igor Sysoev <igor@sysoev.ru>
parents:
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117 }
c14d7232b11f nginx-0.0.1-2002-12-23-09:29:22 import
Igor Sysoev <igor@sysoev.ru>
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118
c14d7232b11f nginx-0.0.1-2002-12-23-09:29:22 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
119 ev->index = NGX_INVALID_INDEX;
c14d7232b11f nginx-0.0.1-2002-12-23-09:29:22 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
120
c14d7232b11f nginx-0.0.1-2002-12-23-09:29:22 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
121 return NGX_OK;
c14d7232b11f nginx-0.0.1-2002-12-23-09:29:22 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
122 }
c14d7232b11f nginx-0.0.1-2002-12-23-09:29:22 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
123
c14d7232b11f nginx-0.0.1-2002-12-23-09:29:22 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
124 int ngx_poll_process_events(ngx_log_t *log)
c14d7232b11f nginx-0.0.1-2002-12-23-09:29:22 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
125 {
c14d7232b11f nginx-0.0.1-2002-12-23-09:29:22 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
126 int i, ready, found;
c14d7232b11f nginx-0.0.1-2002-12-23-09:29:22 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
127 u_int timer, delta;
c14d7232b11f nginx-0.0.1-2002-12-23-09:29:22 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
128 ngx_event_t *ev;
c14d7232b11f nginx-0.0.1-2002-12-23-09:29:22 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
129 ngx_connection_t *c;
c14d7232b11f nginx-0.0.1-2002-12-23-09:29:22 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
130
c14d7232b11f nginx-0.0.1-2002-12-23-09:29:22 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
131 if (timer_queue.timer_next != &timer_queue) {
c14d7232b11f nginx-0.0.1-2002-12-23-09:29:22 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
132 timer = timer_queue.timer_next->timer_delta;
c14d7232b11f nginx-0.0.1-2002-12-23-09:29:22 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
133 delta = ngx_msec();
c14d7232b11f nginx-0.0.1-2002-12-23-09:29:22 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
134
c14d7232b11f nginx-0.0.1-2002-12-23-09:29:22 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
135 } else {
c14d7232b11f nginx-0.0.1-2002-12-23-09:29:22 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
136 timer = INFTIM;
c14d7232b11f nginx-0.0.1-2002-12-23-09:29:22 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
137 delta = 0;
c14d7232b11f nginx-0.0.1-2002-12-23-09:29:22 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
138 }
c14d7232b11f nginx-0.0.1-2002-12-23-09:29:22 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
139
c14d7232b11f nginx-0.0.1-2002-12-23-09:29:22 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
140 #if 1
c14d7232b11f nginx-0.0.1-2002-12-23-09:29:22 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
141 /* DEBUG */
c14d7232b11f nginx-0.0.1-2002-12-23-09:29:22 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
142 for (i = 0; i < nevents; i++) {
c14d7232b11f nginx-0.0.1-2002-12-23-09:29:22 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
143 ngx_log_debug(log, "poll: %d, %d" _
c14d7232b11f nginx-0.0.1-2002-12-23-09:29:22 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
144 event_list[i].fd _ event_list[i].events);
c14d7232b11f nginx-0.0.1-2002-12-23-09:29:22 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
145 }
c14d7232b11f nginx-0.0.1-2002-12-23-09:29:22 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
146 #endif
c14d7232b11f nginx-0.0.1-2002-12-23-09:29:22 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
147
c14d7232b11f nginx-0.0.1-2002-12-23-09:29:22 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
148 ngx_log_debug(log, "poll timer: %d" _ timer);
c14d7232b11f nginx-0.0.1-2002-12-23-09:29:22 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
149
c14d7232b11f nginx-0.0.1-2002-12-23-09:29:22 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
150 if ((ready = poll(event_list, nevents, timer)) == -1) {
c14d7232b11f nginx-0.0.1-2002-12-23-09:29:22 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
151 ngx_log_error(NGX_LOG_ALERT, log, ngx_errno, "poll() failed");
c14d7232b11f nginx-0.0.1-2002-12-23-09:29:22 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
152 return NGX_ERROR;
c14d7232b11f nginx-0.0.1-2002-12-23-09:29:22 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
153 }
c14d7232b11f nginx-0.0.1-2002-12-23-09:29:22 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
154
c14d7232b11f nginx-0.0.1-2002-12-23-09:29:22 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
155 ngx_log_debug(log, "poll ready %d" _ ready);
c14d7232b11f nginx-0.0.1-2002-12-23-09:29:22 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
156
c14d7232b11f nginx-0.0.1-2002-12-23-09:29:22 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
157 if (timer != INFTIM) {
c14d7232b11f nginx-0.0.1-2002-12-23-09:29:22 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
158 delta = ngx_msec() - delta;
c14d7232b11f nginx-0.0.1-2002-12-23-09:29:22 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
159
c14d7232b11f nginx-0.0.1-2002-12-23-09:29:22 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
160 } else {
c14d7232b11f nginx-0.0.1-2002-12-23-09:29:22 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
161 ngx_assert((ready != 0), return NGX_ERROR, log,
c14d7232b11f nginx-0.0.1-2002-12-23-09:29:22 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
162 "poll() returns no events without timeout");
c14d7232b11f nginx-0.0.1-2002-12-23-09:29:22 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
163 }
c14d7232b11f nginx-0.0.1-2002-12-23-09:29:22 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
164
c14d7232b11f nginx-0.0.1-2002-12-23-09:29:22 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
165 ngx_log_debug(log, "poll timer: %d, delta: %d" _ timer _ delta);
c14d7232b11f nginx-0.0.1-2002-12-23-09:29:22 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
166
c14d7232b11f nginx-0.0.1-2002-12-23-09:29:22 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
167 if (timer != INFTIM) {
c14d7232b11f nginx-0.0.1-2002-12-23-09:29:22 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
168 if (delta >= timer) {
c14d7232b11f nginx-0.0.1-2002-12-23-09:29:22 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
169 for ( ;; ) {
c14d7232b11f nginx-0.0.1-2002-12-23-09:29:22 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
170 ev = timer_queue.timer_next;
c14d7232b11f nginx-0.0.1-2002-12-23-09:29:22 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
171
c14d7232b11f nginx-0.0.1-2002-12-23-09:29:22 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
172 if (ev == &timer_queue || delta < ev->timer_delta) {
c14d7232b11f nginx-0.0.1-2002-12-23-09:29:22 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
173 break;
c14d7232b11f nginx-0.0.1-2002-12-23-09:29:22 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
174 }
c14d7232b11f nginx-0.0.1-2002-12-23-09:29:22 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
175
c14d7232b11f nginx-0.0.1-2002-12-23-09:29:22 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
176 delta -= ev->timer_delta;
c14d7232b11f nginx-0.0.1-2002-12-23-09:29:22 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
177 ngx_del_timer(ev);
c14d7232b11f nginx-0.0.1-2002-12-23-09:29:22 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
178 ev->timedout = 1;
c14d7232b11f nginx-0.0.1-2002-12-23-09:29:22 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
179
c14d7232b11f nginx-0.0.1-2002-12-23-09:29:22 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
180 if (ev->event_handler(ev) == NGX_ERROR) {
c14d7232b11f nginx-0.0.1-2002-12-23-09:29:22 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
181 ev->close_handler(ev);
c14d7232b11f nginx-0.0.1-2002-12-23-09:29:22 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
182 }
c14d7232b11f nginx-0.0.1-2002-12-23-09:29:22 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
183 }
c14d7232b11f nginx-0.0.1-2002-12-23-09:29:22 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
184
c14d7232b11f nginx-0.0.1-2002-12-23-09:29:22 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
185 } else {
c14d7232b11f nginx-0.0.1-2002-12-23-09:29:22 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
186 timer_queue.timer_next->timer_delta -= delta;
c14d7232b11f nginx-0.0.1-2002-12-23-09:29:22 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
187 }
c14d7232b11f nginx-0.0.1-2002-12-23-09:29:22 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
188 }
c14d7232b11f nginx-0.0.1-2002-12-23-09:29:22 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
189
c14d7232b11f nginx-0.0.1-2002-12-23-09:29:22 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
190 for (i = 0; ready; i++) {
c14d7232b11f nginx-0.0.1-2002-12-23-09:29:22 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
191 c = &ngx_connections[event_list[i].fd];
c14d7232b11f nginx-0.0.1-2002-12-23-09:29:22 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
192
c14d7232b11f nginx-0.0.1-2002-12-23-09:29:22 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
193 ngx_log_debug(log, "poll: fd:%d, ev:%d, rev:%d" _
c14d7232b11f nginx-0.0.1-2002-12-23-09:29:22 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
194 event_list[i].fd _
c14d7232b11f nginx-0.0.1-2002-12-23-09:29:22 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
195 event_list[i].events _ event_list[i].revents);
c14d7232b11f nginx-0.0.1-2002-12-23-09:29:22 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
196
c14d7232b11f nginx-0.0.1-2002-12-23-09:29:22 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
197 found = 0;
c14d7232b11f nginx-0.0.1-2002-12-23-09:29:22 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
198
c14d7232b11f nginx-0.0.1-2002-12-23-09:29:22 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
199 if (event_list[i].revents & POLLIN) {
c14d7232b11f nginx-0.0.1-2002-12-23-09:29:22 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
200 found = 1;
c14d7232b11f nginx-0.0.1-2002-12-23-09:29:22 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
201 c->read->ready = 1;
c14d7232b11f nginx-0.0.1-2002-12-23-09:29:22 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
202
c14d7232b11f nginx-0.0.1-2002-12-23-09:29:22 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
203 if (c->read->oneshot) {
c14d7232b11f nginx-0.0.1-2002-12-23-09:29:22 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
204 ngx_del_timer(c->read);
c14d7232b11f nginx-0.0.1-2002-12-23-09:29:22 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
205 ngx_select_del_event(c->read, NGX_READ_EVENT, 0);
c14d7232b11f nginx-0.0.1-2002-12-23-09:29:22 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
206 }
c14d7232b11f nginx-0.0.1-2002-12-23-09:29:22 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
207
c14d7232b11f nginx-0.0.1-2002-12-23-09:29:22 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
208 if (c->read->event_handler(c->read) == NGX_ERROR) {
c14d7232b11f nginx-0.0.1-2002-12-23-09:29:22 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
209 c->read->close_handler(c->read);
c14d7232b11f nginx-0.0.1-2002-12-23-09:29:22 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
210 }
c14d7232b11f nginx-0.0.1-2002-12-23-09:29:22 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
211 }
c14d7232b11f nginx-0.0.1-2002-12-23-09:29:22 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
212
c14d7232b11f nginx-0.0.1-2002-12-23-09:29:22 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
213 if (event_list[i].revents & POLLOUT) {
c14d7232b11f nginx-0.0.1-2002-12-23-09:29:22 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
214 found = 1;
c14d7232b11f nginx-0.0.1-2002-12-23-09:29:22 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
215 c->write->ready = 1;
c14d7232b11f nginx-0.0.1-2002-12-23-09:29:22 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
216
c14d7232b11f nginx-0.0.1-2002-12-23-09:29:22 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
217 if (c->write->oneshot) {
c14d7232b11f nginx-0.0.1-2002-12-23-09:29:22 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
218 ngx_del_timer(c->write);
c14d7232b11f nginx-0.0.1-2002-12-23-09:29:22 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
219 ngx_select_del_event(c->write, NGX_WRITE_EVENT, 0);
c14d7232b11f nginx-0.0.1-2002-12-23-09:29:22 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
220 }
c14d7232b11f nginx-0.0.1-2002-12-23-09:29:22 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
221
c14d7232b11f nginx-0.0.1-2002-12-23-09:29:22 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
222 if (c->write->event_handler(c->write) == NGX_ERROR) {
c14d7232b11f nginx-0.0.1-2002-12-23-09:29:22 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
223 c->write->close_handler(c->write);
c14d7232b11f nginx-0.0.1-2002-12-23-09:29:22 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
224 }
c14d7232b11f nginx-0.0.1-2002-12-23-09:29:22 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
225 }
c14d7232b11f nginx-0.0.1-2002-12-23-09:29:22 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
226
c14d7232b11f nginx-0.0.1-2002-12-23-09:29:22 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
227 if (event_list[i].revents & (POLLERR|POLLHUP|POLLNVAL)) {
c14d7232b11f nginx-0.0.1-2002-12-23-09:29:22 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
228 found = 1;
c14d7232b11f nginx-0.0.1-2002-12-23-09:29:22 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
229 ngx_log_error(NGX_LOG_ERR, log, ngx_errno,
c14d7232b11f nginx-0.0.1-2002-12-23-09:29:22 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
230 "poll() error on %d:%d",
c14d7232b11f nginx-0.0.1-2002-12-23-09:29:22 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
231 event_list[i].fd, event_list[i].revents);
c14d7232b11f nginx-0.0.1-2002-12-23-09:29:22 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
232 }
c14d7232b11f nginx-0.0.1-2002-12-23-09:29:22 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
233
c14d7232b11f nginx-0.0.1-2002-12-23-09:29:22 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
234 if (found) {
c14d7232b11f nginx-0.0.1-2002-12-23-09:29:22 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
235 ready--;
c14d7232b11f nginx-0.0.1-2002-12-23-09:29:22 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
236 }
c14d7232b11f nginx-0.0.1-2002-12-23-09:29:22 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
237 }
c14d7232b11f nginx-0.0.1-2002-12-23-09:29:22 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
238
c14d7232b11f nginx-0.0.1-2002-12-23-09:29:22 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
239 return NGX_OK;
c14d7232b11f nginx-0.0.1-2002-12-23-09:29:22 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
240 }
c14d7232b11f nginx-0.0.1-2002-12-23-09:29:22 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
241
c14d7232b11f nginx-0.0.1-2002-12-23-09:29:22 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
242 void ngx_poll_add_timer(ngx_event_t *ev, ngx_msec_t timer)
c14d7232b11f nginx-0.0.1-2002-12-23-09:29:22 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
243 {
c14d7232b11f nginx-0.0.1-2002-12-23-09:29:22 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
244 ngx_event_t *e;
c14d7232b11f nginx-0.0.1-2002-12-23-09:29:22 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
245
c14d7232b11f nginx-0.0.1-2002-12-23-09:29:22 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
246 for (e = timer_queue.timer_next;
c14d7232b11f nginx-0.0.1-2002-12-23-09:29:22 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
247 e != &timer_queue && timer > e->timer_delta;
c14d7232b11f nginx-0.0.1-2002-12-23-09:29:22 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
248 e = e->timer_next)
c14d7232b11f nginx-0.0.1-2002-12-23-09:29:22 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
249 timer -= e->timer_delta;
c14d7232b11f nginx-0.0.1-2002-12-23-09:29:22 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
250
c14d7232b11f nginx-0.0.1-2002-12-23-09:29:22 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
251 ev->timer_delta = timer;
c14d7232b11f nginx-0.0.1-2002-12-23-09:29:22 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
252
c14d7232b11f nginx-0.0.1-2002-12-23-09:29:22 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
253 ev->timer_next = e;
c14d7232b11f nginx-0.0.1-2002-12-23-09:29:22 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
254 ev->timer_prev = e->timer_prev;
c14d7232b11f nginx-0.0.1-2002-12-23-09:29:22 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
255
c14d7232b11f nginx-0.0.1-2002-12-23-09:29:22 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
256 e->timer_prev->timer_next = ev;
c14d7232b11f nginx-0.0.1-2002-12-23-09:29:22 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
257 e->timer_prev = ev;
c14d7232b11f nginx-0.0.1-2002-12-23-09:29:22 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
258 }