Mercurial > hg > nginx-quic
annotate src/event/modules/ngx_sigio_module.c @ 126:fcc79370b9a8
nginx-0.0.1-2003-08-06-18:43:50 import
author | Igor Sysoev <igor@sysoev.ru> |
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date | Wed, 06 Aug 2003 14:43:50 +0000 |
parents | 50186b49f2ad |
children | 6753e8cdaa2c |
rev | line source |
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60
50186b49f2ad
nginx-0.0.1-2003-02-11-10:14:40 import
Igor Sysoev <igor@sysoev.ru>
parents:
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1 |
50186b49f2ad
nginx-0.0.1-2003-02-11-10:14:40 import
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2 |
50186b49f2ad
nginx-0.0.1-2003-02-11-10:14:40 import
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3 int ngx_sigio_add_event(ngx_event_t *ev, int signal) |
50186b49f2ad
nginx-0.0.1-2003-02-11-10:14:40 import
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4 { |
50186b49f2ad
nginx-0.0.1-2003-02-11-10:14:40 import
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5 ngx_connection_t *c; |
50186b49f2ad
nginx-0.0.1-2003-02-11-10:14:40 import
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6 |
50186b49f2ad
nginx-0.0.1-2003-02-11-10:14:40 import
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7 c = (ngx_connection_t *) ev->data; |
50186b49f2ad
nginx-0.0.1-2003-02-11-10:14:40 import
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8 |
50186b49f2ad
nginx-0.0.1-2003-02-11-10:14:40 import
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9 if (fcntl(c->fd, F_SETFL, O_RDWR|O_NONBLOCK|O_ASYNC) == -1) { |
50186b49f2ad
nginx-0.0.1-2003-02-11-10:14:40 import
Igor Sysoev <igor@sysoev.ru>
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10 ngx_log_error(NGX_LOG_ALERT, ev->log, ngx_errno, |
50186b49f2ad
nginx-0.0.1-2003-02-11-10:14:40 import
Igor Sysoev <igor@sysoev.ru>
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11 "fcntl(O_RDWR|O_NONBLOCK|O_ASYNC) failed"); |
50186b49f2ad
nginx-0.0.1-2003-02-11-10:14:40 import
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12 return NGX_ERROR; |
50186b49f2ad
nginx-0.0.1-2003-02-11-10:14:40 import
Igor Sysoev <igor@sysoev.ru>
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13 } |
50186b49f2ad
nginx-0.0.1-2003-02-11-10:14:40 import
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14 |
50186b49f2ad
nginx-0.0.1-2003-02-11-10:14:40 import
Igor Sysoev <igor@sysoev.ru>
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15 if (fcntl(c->fd, F_SETSIG, signal) == -1) { |
50186b49f2ad
nginx-0.0.1-2003-02-11-10:14:40 import
Igor Sysoev <igor@sysoev.ru>
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16 ngx_log_error(NGX_LOG_ALERT, ev->log, ngx_errno, |
50186b49f2ad
nginx-0.0.1-2003-02-11-10:14:40 import
Igor Sysoev <igor@sysoev.ru>
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17 "fcntl(F_SETSIG) failed"); |
50186b49f2ad
nginx-0.0.1-2003-02-11-10:14:40 import
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18 return NGX_ERROR; |
50186b49f2ad
nginx-0.0.1-2003-02-11-10:14:40 import
Igor Sysoev <igor@sysoev.ru>
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19 } |
50186b49f2ad
nginx-0.0.1-2003-02-11-10:14:40 import
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20 |
50186b49f2ad
nginx-0.0.1-2003-02-11-10:14:40 import
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21 if (fcntl(c->fd, F_SETOWN, pid) == -1) { |
50186b49f2ad
nginx-0.0.1-2003-02-11-10:14:40 import
Igor Sysoev <igor@sysoev.ru>
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22 ngx_log_error(NGX_LOG_ALERT, ev->log, ngx_errno, |
50186b49f2ad
nginx-0.0.1-2003-02-11-10:14:40 import
Igor Sysoev <igor@sysoev.ru>
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23 "fcntl(F_SETOWN) failed"); |
50186b49f2ad
nginx-0.0.1-2003-02-11-10:14:40 import
Igor Sysoev <igor@sysoev.ru>
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24 return NGX_ERROR; |
50186b49f2ad
nginx-0.0.1-2003-02-11-10:14:40 import
Igor Sysoev <igor@sysoev.ru>
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25 } |
50186b49f2ad
nginx-0.0.1-2003-02-11-10:14:40 import
Igor Sysoev <igor@sysoev.ru>
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26 |
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nginx-0.0.1-2003-02-11-10:14:40 import
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27 #if (HAVE_ONESIGFD) |
50186b49f2ad
nginx-0.0.1-2003-02-11-10:14:40 import
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28 if (fcntl(c->fd, F_SETAUXFL, O_ONESIGFD) == -1) { |
50186b49f2ad
nginx-0.0.1-2003-02-11-10:14:40 import
Igor Sysoev <igor@sysoev.ru>
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29 ngx_log_error(NGX_LOG_ALERT, ev->log, ngx_errno, |
50186b49f2ad
nginx-0.0.1-2003-02-11-10:14:40 import
Igor Sysoev <igor@sysoev.ru>
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30 "fcntl(F_SETAUXFL) failed"); |
50186b49f2ad
nginx-0.0.1-2003-02-11-10:14:40 import
Igor Sysoev <igor@sysoev.ru>
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31 return NGX_ERROR; |
50186b49f2ad
nginx-0.0.1-2003-02-11-10:14:40 import
Igor Sysoev <igor@sysoev.ru>
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32 } |
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nginx-0.0.1-2003-02-11-10:14:40 import
Igor Sysoev <igor@sysoev.ru>
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33 #endif |
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nginx-0.0.1-2003-02-11-10:14:40 import
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34 |
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nginx-0.0.1-2003-02-11-10:14:40 import
Igor Sysoev <igor@sysoev.ru>
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35 return NGX_OK; |
50186b49f2ad
nginx-0.0.1-2003-02-11-10:14:40 import
Igor Sysoev <igor@sysoev.ru>
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36 } |
50186b49f2ad
nginx-0.0.1-2003-02-11-10:14:40 import
Igor Sysoev <igor@sysoev.ru>
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37 |
50186b49f2ad
nginx-0.0.1-2003-02-11-10:14:40 import
Igor Sysoev <igor@sysoev.ru>
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38 int ngx_sigio_process_events(ngx_log_t *log) |
50186b49f2ad
nginx-0.0.1-2003-02-11-10:14:40 import
Igor Sysoev <igor@sysoev.ru>
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39 { |
50186b49f2ad
nginx-0.0.1-2003-02-11-10:14:40 import
Igor Sysoev <igor@sysoev.ru>
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40 struct siginfo si; |
50186b49f2ad
nginx-0.0.1-2003-02-11-10:14:40 import
Igor Sysoev <igor@sysoev.ru>
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41 |
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nginx-0.0.1-2003-02-11-10:14:40 import
Igor Sysoev <igor@sysoev.ru>
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42 for ( ;; ) { |
50186b49f2ad
nginx-0.0.1-2003-02-11-10:14:40 import
Igor Sysoev <igor@sysoev.ru>
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43 if (timer) { |
50186b49f2ad
nginx-0.0.1-2003-02-11-10:14:40 import
Igor Sysoev <igor@sysoev.ru>
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44 sig = sigtimedwait(&sigio_set, &si, &ts); |
50186b49f2ad
nginx-0.0.1-2003-02-11-10:14:40 import
Igor Sysoev <igor@sysoev.ru>
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45 |
50186b49f2ad
nginx-0.0.1-2003-02-11-10:14:40 import
Igor Sysoev <igor@sysoev.ru>
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46 if (sig == -1) { |
50186b49f2ad
nginx-0.0.1-2003-02-11-10:14:40 import
Igor Sysoev <igor@sysoev.ru>
parents:
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47 ngx_log_error(NGX_LOG_ALERT, ev->log, ngx_errno, |
50186b49f2ad
nginx-0.0.1-2003-02-11-10:14:40 import
Igor Sysoev <igor@sysoev.ru>
parents:
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48 "sigtimedwait() failed"); |
50186b49f2ad
nginx-0.0.1-2003-02-11-10:14:40 import
Igor Sysoev <igor@sysoev.ru>
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49 continue; |
50186b49f2ad
nginx-0.0.1-2003-02-11-10:14:40 import
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50 } |
50186b49f2ad
nginx-0.0.1-2003-02-11-10:14:40 import
Igor Sysoev <igor@sysoev.ru>
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51 } |
50186b49f2ad
nginx-0.0.1-2003-02-11-10:14:40 import
Igor Sysoev <igor@sysoev.ru>
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52 |
50186b49f2ad
nginx-0.0.1-2003-02-11-10:14:40 import
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53 } else { |
50186b49f2ad
nginx-0.0.1-2003-02-11-10:14:40 import
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54 sig = sigwaitinfo(&set, &si); |
50186b49f2ad
nginx-0.0.1-2003-02-11-10:14:40 import
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55 |
50186b49f2ad
nginx-0.0.1-2003-02-11-10:14:40 import
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56 if (sig == -1) { |
50186b49f2ad
nginx-0.0.1-2003-02-11-10:14:40 import
Igor Sysoev <igor@sysoev.ru>
parents:
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57 ngx_log_error(NGX_LOG_ALERT, ev->log, ngx_errno, |
50186b49f2ad
nginx-0.0.1-2003-02-11-10:14:40 import
Igor Sysoev <igor@sysoev.ru>
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58 "sigwaitinfo() failed"); |
50186b49f2ad
nginx-0.0.1-2003-02-11-10:14:40 import
Igor Sysoev <igor@sysoev.ru>
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59 } |
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nginx-0.0.1-2003-02-11-10:14:40 import
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60 } |
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nginx-0.0.1-2003-02-11-10:14:40 import
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61 |
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nginx-0.0.1-2003-02-11-10:14:40 import
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62 if (sig == rtsig) { |
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nginx-0.0.1-2003-02-11-10:14:40 import
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63 c = &ngx_connections[si.si_fd]; |
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nginx-0.0.1-2003-02-11-10:14:40 import
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64 |
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nginx-0.0.1-2003-02-11-10:14:40 import
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65 if (si.si_band & (POLLERR|POLLHUP|POLLNVAL)) { |
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nginx-0.0.1-2003-02-11-10:14:40 import
Igor Sysoev <igor@sysoev.ru>
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66 ev = ???; |
50186b49f2ad
nginx-0.0.1-2003-02-11-10:14:40 import
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67 |
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nginx-0.0.1-2003-02-11-10:14:40 import
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68 if (ev->active) { |
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nginx-0.0.1-2003-02-11-10:14:40 import
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69 ev->ready = 1; |
50186b49f2ad
nginx-0.0.1-2003-02-11-10:14:40 import
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70 if (ev->event_handler(ev) == NGX_ERROR) { |
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nginx-0.0.1-2003-02-11-10:14:40 import
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71 ev->close_handler(ev); |
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72 } |
50186b49f2ad
nginx-0.0.1-2003-02-11-10:14:40 import
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73 } |
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nginx-0.0.1-2003-02-11-10:14:40 import
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74 } |
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nginx-0.0.1-2003-02-11-10:14:40 import
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75 |
50186b49f2ad
nginx-0.0.1-2003-02-11-10:14:40 import
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76 if (si.si_band & (POLLIN)) { |
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nginx-0.0.1-2003-02-11-10:14:40 import
Igor Sysoev <igor@sysoev.ru>
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77 ev = c->read; |
50186b49f2ad
nginx-0.0.1-2003-02-11-10:14:40 import
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78 |
50186b49f2ad
nginx-0.0.1-2003-02-11-10:14:40 import
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79 if (ev->active) { |
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nginx-0.0.1-2003-02-11-10:14:40 import
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80 ev->ready = 1; |
50186b49f2ad
nginx-0.0.1-2003-02-11-10:14:40 import
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81 if (ev->event_handler(ev) == NGX_ERROR) { |
50186b49f2ad
nginx-0.0.1-2003-02-11-10:14:40 import
Igor Sysoev <igor@sysoev.ru>
parents:
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82 ev->close_handler(ev); |
50186b49f2ad
nginx-0.0.1-2003-02-11-10:14:40 import
Igor Sysoev <igor@sysoev.ru>
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83 } |
50186b49f2ad
nginx-0.0.1-2003-02-11-10:14:40 import
Igor Sysoev <igor@sysoev.ru>
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84 } |
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nginx-0.0.1-2003-02-11-10:14:40 import
Igor Sysoev <igor@sysoev.ru>
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85 } |
50186b49f2ad
nginx-0.0.1-2003-02-11-10:14:40 import
Igor Sysoev <igor@sysoev.ru>
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86 |
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nginx-0.0.1-2003-02-11-10:14:40 import
Igor Sysoev <igor@sysoev.ru>
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87 if (si.si_band & (POLLOUT)) { |
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nginx-0.0.1-2003-02-11-10:14:40 import
Igor Sysoev <igor@sysoev.ru>
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88 ev = c->write; |
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nginx-0.0.1-2003-02-11-10:14:40 import
Igor Sysoev <igor@sysoev.ru>
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89 |
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nginx-0.0.1-2003-02-11-10:14:40 import
Igor Sysoev <igor@sysoev.ru>
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90 if (ev->active) { |
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nginx-0.0.1-2003-02-11-10:14:40 import
Igor Sysoev <igor@sysoev.ru>
parents:
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91 ev->ready = 1; |
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nginx-0.0.1-2003-02-11-10:14:40 import
Igor Sysoev <igor@sysoev.ru>
parents:
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92 if (ev->event_handler(ev) == NGX_ERROR) { |
50186b49f2ad
nginx-0.0.1-2003-02-11-10:14:40 import
Igor Sysoev <igor@sysoev.ru>
parents:
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93 ev->close_handler(ev); |
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nginx-0.0.1-2003-02-11-10:14:40 import
Igor Sysoev <igor@sysoev.ru>
parents:
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94 } |
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nginx-0.0.1-2003-02-11-10:14:40 import
Igor Sysoev <igor@sysoev.ru>
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95 } |
50186b49f2ad
nginx-0.0.1-2003-02-11-10:14:40 import
Igor Sysoev <igor@sysoev.ru>
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96 } |
50186b49f2ad
nginx-0.0.1-2003-02-11-10:14:40 import
Igor Sysoev <igor@sysoev.ru>
parents:
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97 |
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nginx-0.0.1-2003-02-11-10:14:40 import
Igor Sysoev <igor@sysoev.ru>
parents:
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98 } else if (sig == SIGIO) { |
50186b49f2ad
nginx-0.0.1-2003-02-11-10:14:40 import
Igor Sysoev <igor@sysoev.ru>
parents:
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99 ngx_log_error(NGX_LOG_ALERT, ev->log, ngx_errno, |
50186b49f2ad
nginx-0.0.1-2003-02-11-10:14:40 import
Igor Sysoev <igor@sysoev.ru>
parents:
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100 "Signal queue overflowed: " |
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nginx-0.0.1-2003-02-11-10:14:40 import
Igor Sysoev <igor@sysoev.ru>
parents:
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101 "SIGIO, fd:%d, band:%d", si.si_fd, si.si_band); |
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nginx-0.0.1-2003-02-11-10:14:40 import
Igor Sysoev <igor@sysoev.ru>
parents:
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102 |
50186b49f2ad
nginx-0.0.1-2003-02-11-10:14:40 import
Igor Sysoev <igor@sysoev.ru>
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103 /* flush queue: method #1 (dphttpd) */ |
50186b49f2ad
nginx-0.0.1-2003-02-11-10:14:40 import
Igor Sysoev <igor@sysoev.ru>
parents:
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104 ts.tv_sec = 0; |
50186b49f2ad
nginx-0.0.1-2003-02-11-10:14:40 import
Igor Sysoev <igor@sysoev.ru>
parents:
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105 ts.tv_nsec = 0; |
50186b49f2ad
nginx-0.0.1-2003-02-11-10:14:40 import
Igor Sysoev <igor@sysoev.ru>
parents:
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106 while (sigtimedwait(&sigio_set, &si, &ts) > 0); |
50186b49f2ad
nginx-0.0.1-2003-02-11-10:14:40 import
Igor Sysoev <igor@sysoev.ru>
parents:
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107 |
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108 /* flush queue: method #2 (dkftpbench) */ |
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109 signal(m_signum, SIG_IGN); |
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110 signal(m_signum, SIG_DFL); |
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111 |
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112 /* do poll */ |
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113 |
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114 } else { |
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115 } |
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116 } |
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117 } |