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annotate src/event/ngx_event.c @ 0:4eff17414a43

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nginx-0.0.1-2002-08-06-20:39:45 import The first code that uses "ngx_" prefix, the previous one used "gx_" prefix. At that point the code is not yet usable. The first draft ideas are dated back to 23.10.2001.
author Igor Sysoev <igor@sysoev.ru>
date Tue, 06 Aug 2002 16:39:45 +0000
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children 34a521b1a148
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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
4eff17414a43 nginx-0.0.1-2002-08-06-20:39:45 import
Igor Sysoev <igor@sysoev.ru>
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2 #include <ngx_config.h>
4eff17414a43 nginx-0.0.1-2002-08-06-20:39:45 import
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3 #include <ngx_types.h>
4eff17414a43 nginx-0.0.1-2002-08-06-20:39:45 import
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4 #include <ngx_log.h>
4eff17414a43 nginx-0.0.1-2002-08-06-20:39:45 import
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5 #include <ngx_alloc.h>
4eff17414a43 nginx-0.0.1-2002-08-06-20:39:45 import
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6 #include <ngx_connection.h>
4eff17414a43 nginx-0.0.1-2002-08-06-20:39:45 import
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7 #include <ngx_event.h>
4eff17414a43 nginx-0.0.1-2002-08-06-20:39:45 import
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8 #include <ngx_event_accept.h>
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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10 #include <ngx_select_module.h>
4eff17414a43 nginx-0.0.1-2002-08-06-20:39:45 import
Igor Sysoev <igor@sysoev.ru>
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11 #if (HAVE_KQUEUE)
4eff17414a43 nginx-0.0.1-2002-08-06-20:39:45 import
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12 #include <ngx_kqueue_module.h>
4eff17414a43 nginx-0.0.1-2002-08-06-20:39:45 import
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13 #endif
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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4eff17414a43 nginx-0.0.1-2002-08-06-20:39:45 import
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16 ngx_connection_t *ngx_connections;
4eff17414a43 nginx-0.0.1-2002-08-06-20:39:45 import
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17 ngx_event_t *ngx_read_events, *ngx_write_events;
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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19 #if !(USE_KQUEUE)
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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21 #if 1
4eff17414a43 nginx-0.0.1-2002-08-06-20:39:45 import
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22 ngx_event_type_e ngx_event_type = NGX_SELECT_EVENT;
4eff17414a43 nginx-0.0.1-2002-08-06-20:39:45 import
Igor Sysoev <igor@sysoev.ru>
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23 #else
4eff17414a43 nginx-0.0.1-2002-08-06-20:39:45 import
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24 ngx_event_type_e ngx_event_type = NGX_KQUEUE_EVENT;
4eff17414a43 nginx-0.0.1-2002-08-06-20:39:45 import
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25 #endif
4eff17414a43 nginx-0.0.1-2002-08-06-20:39:45 import
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26
4eff17414a43 nginx-0.0.1-2002-08-06-20:39:45 import
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27 ngx_event_actions_t ngx_event_actions;
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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29 /* ngx_event_type_e order */
4eff17414a43 nginx-0.0.1-2002-08-06-20:39:45 import
Igor Sysoev <igor@sysoev.ru>
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30 static void (*ngx_event_init[]) (int max_connections, ngx_log_t *log) = {
4eff17414a43 nginx-0.0.1-2002-08-06-20:39:45 import
Igor Sysoev <igor@sysoev.ru>
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31 ngx_select_init,
4eff17414a43 nginx-0.0.1-2002-08-06-20:39:45 import
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32 #if (HAVE_POLL)
4eff17414a43 nginx-0.0.1-2002-08-06-20:39:45 import
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33 ngx_poll_init,
4eff17414a43 nginx-0.0.1-2002-08-06-20:39:45 import
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34 #endif
4eff17414a43 nginx-0.0.1-2002-08-06-20:39:45 import
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35 #if (HAVE_KQUEUE)
4eff17414a43 nginx-0.0.1-2002-08-06-20:39:45 import
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36 ngx_kqueue_init
4eff17414a43 nginx-0.0.1-2002-08-06-20:39:45 import
Igor Sysoev <igor@sysoev.ru>
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37 #endif
4eff17414a43 nginx-0.0.1-2002-08-06-20:39:45 import
Igor Sysoev <igor@sysoev.ru>
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38 };
4eff17414a43 nginx-0.0.1-2002-08-06-20:39:45 import
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39
4eff17414a43 nginx-0.0.1-2002-08-06-20:39:45 import
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40 #endif /* USE_KQUEUE */
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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4eff17414a43 nginx-0.0.1-2002-08-06-20:39:45 import
Igor Sysoev <igor@sysoev.ru>
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43 void ngx_worker(ngx_listen_t *sock, int n, ngx_pool_t *pool, ngx_log_t *log)
4eff17414a43 nginx-0.0.1-2002-08-06-20:39:45 import
Igor Sysoev <igor@sysoev.ru>
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44 {
4eff17414a43 nginx-0.0.1-2002-08-06-20:39:45 import
Igor Sysoev <igor@sysoev.ru>
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45 int i, fd;
4eff17414a43 nginx-0.0.1-2002-08-06-20:39:45 import
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46
4eff17414a43 nginx-0.0.1-2002-08-06-20:39:45 import
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47 /* per group */
4eff17414a43 nginx-0.0.1-2002-08-06-20:39:45 import
Igor Sysoev <igor@sysoev.ru>
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48 int max_connections = 512;
4eff17414a43 nginx-0.0.1-2002-08-06-20:39:45 import
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49
4eff17414a43 nginx-0.0.1-2002-08-06-20:39:45 import
Igor Sysoev <igor@sysoev.ru>
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50 ngx_init_events(max_connections, log);
4eff17414a43 nginx-0.0.1-2002-08-06-20:39:45 import
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51
4eff17414a43 nginx-0.0.1-2002-08-06-20:39:45 import
Igor Sysoev <igor@sysoev.ru>
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52 ngx_read_events = ngx_alloc(sizeof(ngx_event_t) * max_connections, log);
4eff17414a43 nginx-0.0.1-2002-08-06-20:39:45 import
Igor Sysoev <igor@sysoev.ru>
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53 ngx_write_events = ngx_alloc(sizeof(ngx_event_t) * max_connections, log);
4eff17414a43 nginx-0.0.1-2002-08-06-20:39:45 import
Igor Sysoev <igor@sysoev.ru>
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54 ngx_connections = ngx_alloc(sizeof(ngx_connection_t)
4eff17414a43 nginx-0.0.1-2002-08-06-20:39:45 import
Igor Sysoev <igor@sysoev.ru>
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55 * max_connections, log);
4eff17414a43 nginx-0.0.1-2002-08-06-20:39:45 import
Igor Sysoev <igor@sysoev.ru>
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56
4eff17414a43 nginx-0.0.1-2002-08-06-20:39:45 import
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57 /* for each listening socket */
4eff17414a43 nginx-0.0.1-2002-08-06-20:39:45 import
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58 for (i = 0; i < n; i++) {
4eff17414a43 nginx-0.0.1-2002-08-06-20:39:45 import
Igor Sysoev <igor@sysoev.ru>
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59 fd = sock[i].fd;
4eff17414a43 nginx-0.0.1-2002-08-06-20:39:45 import
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60
4eff17414a43 nginx-0.0.1-2002-08-06-20:39:45 import
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61 ngx_memzero(&ngx_read_events[fd], sizeof(ngx_event_t));
4eff17414a43 nginx-0.0.1-2002-08-06-20:39:45 import
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62 ngx_memzero(&ngx_write_events[fd], sizeof(ngx_event_t));
4eff17414a43 nginx-0.0.1-2002-08-06-20:39:45 import
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63 ngx_memzero(&ngx_connections[fd], sizeof(ngx_connection_t));
4eff17414a43 nginx-0.0.1-2002-08-06-20:39:45 import
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64
4eff17414a43 nginx-0.0.1-2002-08-06-20:39:45 import
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65 ngx_connections[fd].fd = fd;
4eff17414a43 nginx-0.0.1-2002-08-06-20:39:45 import
Igor Sysoev <igor@sysoev.ru>
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66 ngx_connections[fd].server = sock[i].server;
4eff17414a43 nginx-0.0.1-2002-08-06-20:39:45 import
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67 ngx_connections[fd].read = (void *) &ngx_read_events[fd].data;
4eff17414a43 nginx-0.0.1-2002-08-06-20:39:45 import
Igor Sysoev <igor@sysoev.ru>
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68 ngx_read_events[fd].data = &ngx_connections[fd];
4eff17414a43 nginx-0.0.1-2002-08-06-20:39:45 import
Igor Sysoev <igor@sysoev.ru>
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69 ngx_read_events[fd].log = ngx_connections[fd].log = sock[i].log;
4eff17414a43 nginx-0.0.1-2002-08-06-20:39:45 import
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70 ngx_read_events[fd].data = &ngx_connections[fd];
4eff17414a43 nginx-0.0.1-2002-08-06-20:39:45 import
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71 ngx_read_events[fd].event_handler = &ngx_event_accept;
4eff17414a43 nginx-0.0.1-2002-08-06-20:39:45 import
Igor Sysoev <igor@sysoev.ru>
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72 ngx_read_events[fd].listening = 1;
4eff17414a43 nginx-0.0.1-2002-08-06-20:39:45 import
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73
4eff17414a43 nginx-0.0.1-2002-08-06-20:39:45 import
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74 ngx_read_events[fd].available = 0;
4eff17414a43 nginx-0.0.1-2002-08-06-20:39:45 import
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75
4eff17414a43 nginx-0.0.1-2002-08-06-20:39:45 import
Igor Sysoev <igor@sysoev.ru>
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76 #if (HAVE_DEFERRED_ACCEPT)
4eff17414a43 nginx-0.0.1-2002-08-06-20:39:45 import
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77 ngx_read_events[fd].accept_filter = sock->accept_filter;
4eff17414a43 nginx-0.0.1-2002-08-06-20:39:45 import
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78 #endif
4eff17414a43 nginx-0.0.1-2002-08-06-20:39:45 import
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79 ngx_add_event(&ngx_read_events[fd], NGX_READ_EVENT, 0);
4eff17414a43 nginx-0.0.1-2002-08-06-20:39:45 import
Igor Sysoev <igor@sysoev.ru>
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80 }
4eff17414a43 nginx-0.0.1-2002-08-06-20:39:45 import
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81
4eff17414a43 nginx-0.0.1-2002-08-06-20:39:45 import
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82 while (1) {
4eff17414a43 nginx-0.0.1-2002-08-06-20:39:45 import
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83 ngx_log_debug(log, "ngx_worker cycle");
4eff17414a43 nginx-0.0.1-2002-08-06-20:39:45 import
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84
4eff17414a43 nginx-0.0.1-2002-08-06-20:39:45 import
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85 ngx_process_events(log);
4eff17414a43 nginx-0.0.1-2002-08-06-20:39:45 import
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86 }
4eff17414a43 nginx-0.0.1-2002-08-06-20:39:45 import
Igor Sysoev <igor@sysoev.ru>
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87 }