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annotate src/event/modules/ngx_aio_module.c @ 60:50186b49f2ad

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nginx-0.0.1-2003-02-11-10:14:40 import
author Igor Sysoev <igor@sysoev.ru>
date Tue, 11 Feb 2003 07:14:40 +0000
parents 669801705ab1
children 36d2c25cc9bb
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4eff17414a43 nginx-0.0.1-2002-08-06-20:39:45 import
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669801705ab1 nginx-0.0.1-2002-08-26-19:18:19 import
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2 /* 1 */
669801705ab1 nginx-0.0.1-2002-08-26-19:18:19 import
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3 int ngx_posix_aio_process_events(ngx_log_t *log)
669801705ab1 nginx-0.0.1-2002-08-26-19:18:19 import
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4 {
669801705ab1 nginx-0.0.1-2002-08-26-19:18:19 import
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5 listen via SIGIO;
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6 aio_* via SIGxxx;
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669801705ab1 nginx-0.0.1-2002-08-26-19:18:19 import
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8 sigsuspend()/sigwaitinfo()/sigtimedwait();
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9 }
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669801705ab1 nginx-0.0.1-2002-08-26-19:18:19 import
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11 /* 2 */
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4eff17414a43 nginx-0.0.1-2002-08-06-20:39:45 import
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12 int ngx_posix_aio_process_events(ngx_log_t *log)
4eff17414a43 nginx-0.0.1-2002-08-06-20:39:45 import
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13 {
4eff17414a43 nginx-0.0.1-2002-08-06-20:39:45 import
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14 unmask signal
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62b1a364857c nginx-0.0.1-2002-08-23-20:14:30 import
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16 listen via SIGIO;
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18 /* BUG: SIGIO can be delivered before aio_*() */
62b1a364857c nginx-0.0.1-2002-08-23-20:14:30 import
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62b1a364857c nginx-0.0.1-2002-08-23-20:14:30 import
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20 aio_suspend()/aiowait()/aio_waitcomplete() with timeout
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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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22 mask signal
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4eff17414a43 nginx-0.0.1-2002-08-06-20:39:45 import
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24 if (ngx_socket_errno == NGX_EINTR)
4eff17414a43 nginx-0.0.1-2002-08-06-20:39:45 import
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25 look listen
4eff17414a43 nginx-0.0.1-2002-08-06-20:39:45 import
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26 select()/accept() nb listen sockets
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27 else
4eff17414a43 nginx-0.0.1-2002-08-06-20:39:45 import
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28 aio
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29 }
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669801705ab1 nginx-0.0.1-2002-08-26-19:18:19 import
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31 /* 3 */
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4eff17414a43 nginx-0.0.1-2002-08-06-20:39:45 import
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32 int ngx_posix_aio_process_events(ngx_log_t *log)
4eff17414a43 nginx-0.0.1-2002-08-06-20:39:45 import
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33 {
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34 unmask signal
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62b1a364857c nginx-0.0.1-2002-08-23-20:14:30 import
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36 /* BUG: AIO signal can be delivered before select() */
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4eff17414a43 nginx-0.0.1-2002-08-06-20:39:45 import
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38 select(listen);
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4eff17414a43 nginx-0.0.1-2002-08-06-20:39:45 import
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40 mask signal
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4eff17414a43 nginx-0.0.1-2002-08-06-20:39:45 import
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42 if (ngx_socket_errno == NGX_EINTR)
4eff17414a43 nginx-0.0.1-2002-08-06-20:39:45 import
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43 look ready array
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44 }
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4eff17414a43 nginx-0.0.1-2002-08-06-20:39:45 import
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46 void aio_sig_handler(int signo, siginfo_t *siginfo, void *context)
4eff17414a43 nginx-0.0.1-2002-08-06-20:39:45 import
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47 {
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48 push siginfo->si_value.sival_ptr
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49 }
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