Mercurial > hg > nginx
annotate src/event/ngx_event_aio_write.c @ 375:744ccb59062d
nginx-0.0.7-2004-07-02-19:54:34 import
author | Igor Sysoev <igor@sysoev.ru> |
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date | Fri, 02 Jul 2004 15:54:34 +0000 |
parents | 36d2c25cc9bb |
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rev | line source |
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59
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nginx-0.0.1-2003-02-06-20:21:13 import
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1 |
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nginx-0.0.1-2003-02-06-20:21:13 import
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2 #include <ngx_config.h> |
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nginx-0.0.1-2003-02-06-20:21:13 import
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3 #include <ngx_core.h> |
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nginx-0.0.1-2003-02-06-20:21:13 import
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4 #include <ngx_errno.h> |
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nginx-0.0.1-2003-02-06-20:21:13 import
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5 #include <ngx_log.h> |
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nginx-0.0.1-2003-02-06-20:21:13 import
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6 #include <ngx_recv.h> |
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nginx-0.0.1-2003-02-06-20:21:13 import
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7 #include <ngx_connection.h> |
63
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nginx-0.0.1-2003-02-26-23:21:43 import
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59
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8 #include <ngx_event.h> |
59
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nginx-0.0.1-2003-02-06-20:21:13 import
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9 |
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nginx-0.0.1-2003-02-06-20:21:13 import
Igor Sysoev <igor@sysoev.ru>
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10 #if (HAVE_KQUEUE) |
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nginx-0.0.1-2003-02-06-20:21:13 import
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11 #include <ngx_kqueue_module.h> |
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nginx-0.0.1-2003-02-06-20:21:13 import
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12 #endif |
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nginx-0.0.1-2003-02-06-20:21:13 import
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13 |
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nginx-0.0.1-2003-02-06-20:21:13 import
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14 |
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nginx-0.0.1-2003-02-06-20:21:13 import
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15 /* |
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nginx-0.0.1-2003-02-06-20:21:13 import
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16 The data is ready - 3 syscalls: |
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nginx-0.0.1-2003-02-06-20:21:13 import
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17 aio_write(), aio_error(), aio_return() |
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nginx-0.0.1-2003-02-06-20:21:13 import
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18 The data is not ready - 4 (kqueue) or 5 syscalls: |
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nginx-0.0.1-2003-02-06-20:21:13 import
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19 aio_write(), aio_error(), notifiction, |
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nginx-0.0.1-2003-02-06-20:21:13 import
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20 aio_error(), aio_return() |
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nginx-0.0.1-2003-02-06-20:21:13 import
Igor Sysoev <igor@sysoev.ru>
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21 aio_cancel(), aio_error() |
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nginx-0.0.1-2003-02-06-20:21:13 import
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22 */ |
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nginx-0.0.1-2003-02-06-20:21:13 import
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23 |
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nginx-0.0.1-2003-02-06-20:21:13 import
Igor Sysoev <igor@sysoev.ru>
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24 ssize_t ngx_event_aio_write(ngx_connection_t *c, char *buf, size_t size) |
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nginx-0.0.1-2003-02-06-20:21:13 import
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25 { |
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nginx-0.0.1-2003-02-06-20:21:13 import
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26 int rc, first, canceled; |
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nginx-0.0.1-2003-02-06-20:21:13 import
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27 ngx_event_t *ev; |
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nginx-0.0.1-2003-02-06-20:21:13 import
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28 |
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nginx-0.0.1-2003-02-06-20:21:13 import
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29 ev = c->write; |
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nginx-0.0.1-2003-02-06-20:21:13 import
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30 |
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nginx-0.0.1-2003-02-06-20:21:13 import
Igor Sysoev <igor@sysoev.ru>
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31 canceled = 0; |
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nginx-0.0.1-2003-02-06-20:21:13 import
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32 |
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nginx-0.0.1-2003-02-06-20:21:13 import
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33 ngx_log_debug(ev->log, "aio: ev->ready: %d" _ ev->ready); |
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nginx-0.0.1-2003-02-06-20:21:13 import
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34 ngx_log_debug(ev->log, "aio: aiocb: %08x" _ &ev->aiocb); |
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nginx-0.0.1-2003-02-06-20:21:13 import
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35 |
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nginx-0.0.1-2003-02-06-20:21:13 import
Igor Sysoev <igor@sysoev.ru>
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36 if (ev->timedout) { |
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nginx-0.0.1-2003-02-06-20:21:13 import
Igor Sysoev <igor@sysoev.ru>
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37 ngx_set_socket_errno(NGX_ETIMEDOUT); |
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nginx-0.0.1-2003-02-06-20:21:13 import
Igor Sysoev <igor@sysoev.ru>
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38 ngx_log_error(NGX_LOG_ERR, ev->log, 0, "aio_write() timed out"); |
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nginx-0.0.1-2003-02-06-20:21:13 import
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39 |
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nginx-0.0.1-2003-02-06-20:21:13 import
Igor Sysoev <igor@sysoev.ru>
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40 rc = aio_cancel(c->fd, &ev->aiocb); |
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nginx-0.0.1-2003-02-06-20:21:13 import
Igor Sysoev <igor@sysoev.ru>
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41 if (rc == -1) { |
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nginx-0.0.1-2003-02-06-20:21:13 import
Igor Sysoev <igor@sysoev.ru>
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42 ngx_log_error(NGX_LOG_CRIT, ev->log, ngx_errno, |
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nginx-0.0.1-2003-02-06-20:21:13 import
Igor Sysoev <igor@sysoev.ru>
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43 "aio_cancel() failed"); |
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nginx-0.0.1-2003-02-06-20:21:13 import
Igor Sysoev <igor@sysoev.ru>
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44 return NGX_ERROR; |
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nginx-0.0.1-2003-02-06-20:21:13 import
Igor Sysoev <igor@sysoev.ru>
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45 } |
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nginx-0.0.1-2003-02-06-20:21:13 import
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46 |
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nginx-0.0.1-2003-02-06-20:21:13 import
Igor Sysoev <igor@sysoev.ru>
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47 ngx_log_debug(ev->log, "aio_cancel: %d" _ rc); |
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nginx-0.0.1-2003-02-06-20:21:13 import
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48 |
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nginx-0.0.1-2003-02-06-20:21:13 import
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49 canceled = 1; |
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nginx-0.0.1-2003-02-06-20:21:13 import
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50 |
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nginx-0.0.1-2003-02-06-20:21:13 import
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51 ev->ready = 1; |
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nginx-0.0.1-2003-02-06-20:21:13 import
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52 } |
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nginx-0.0.1-2003-02-06-20:21:13 import
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53 |
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nginx-0.0.1-2003-02-06-20:21:13 import
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54 first = 0; |
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nginx-0.0.1-2003-02-06-20:21:13 import
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55 |
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nginx-0.0.1-2003-02-06-20:21:13 import
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56 if (!ev->ready) { |
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nginx-0.0.1-2003-02-06-20:21:13 import
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57 ngx_memzero(&ev->aiocb, sizeof(struct aiocb)); |
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nginx-0.0.1-2003-02-06-20:21:13 import
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58 |
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nginx-0.0.1-2003-02-06-20:21:13 import
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59 ev->aiocb.aio_fildes = c->fd; |
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nginx-0.0.1-2003-02-06-20:21:13 import
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60 ev->aiocb.aio_buf = buf; |
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nginx-0.0.1-2003-02-06-20:21:13 import
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61 ev->aiocb.aio_nbytes = size; |
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nginx-0.0.1-2003-02-06-20:21:13 import
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62 |
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nginx-0.0.1-2003-02-06-20:21:13 import
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63 #if (HAVE_KQUEUE) |
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nginx-0.0.1-2003-02-06-20:21:13 import
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64 ev->aiocb.aio_sigevent.sigev_notify_kqueue = kq; |
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nginx-0.0.1-2003-02-06-20:21:13 import
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65 ev->aiocb.aio_sigevent.sigev_notify = SIGEV_KEVENT; |
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nginx-0.0.1-2003-02-06-20:21:13 import
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66 ev->aiocb.aio_sigevent.sigev_value.sigval_ptr = ev; |
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nginx-0.0.1-2003-02-06-20:21:13 import
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67 #endif |
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nginx-0.0.1-2003-02-06-20:21:13 import
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68 |
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nginx-0.0.1-2003-02-06-20:21:13 import
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69 if (aio_write(&ev->aiocb) == -1) { |
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nginx-0.0.1-2003-02-06-20:21:13 import
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70 ngx_log_error(NGX_LOG_CRIT, ev->log, ngx_errno, |
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nginx-0.0.1-2003-02-06-20:21:13 import
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71 "aio_write() failed"); |
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nginx-0.0.1-2003-02-06-20:21:13 import
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72 return NGX_ERROR; |
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nginx-0.0.1-2003-02-06-20:21:13 import
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73 } |
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nginx-0.0.1-2003-02-06-20:21:13 import
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74 |
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nginx-0.0.1-2003-02-06-20:21:13 import
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75 ngx_log_debug(ev->log, "aio_write: OK"); |
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nginx-0.0.1-2003-02-06-20:21:13 import
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76 |
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nginx-0.0.1-2003-02-06-20:21:13 import
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77 ev->active = 1; |
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nginx-0.0.1-2003-02-06-20:21:13 import
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78 first = 1; |
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nginx-0.0.1-2003-02-06-20:21:13 import
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79 } |
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nginx-0.0.1-2003-02-06-20:21:13 import
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80 |
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nginx-0.0.1-2003-02-06-20:21:13 import
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81 ev->ready = 0; |
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nginx-0.0.1-2003-02-06-20:21:13 import
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82 |
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nginx-0.0.1-2003-02-06-20:21:13 import
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83 rc = aio_error(&ev->aiocb); |
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nginx-0.0.1-2003-02-06-20:21:13 import
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84 if (rc == -1) { |
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nginx-0.0.1-2003-02-06-20:21:13 import
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85 ngx_log_error(NGX_LOG_CRIT, ev->log, ngx_errno, "aio_error() failed"); |
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nginx-0.0.1-2003-02-06-20:21:13 import
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86 return NGX_ERROR; |
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nginx-0.0.1-2003-02-06-20:21:13 import
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87 } |
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nginx-0.0.1-2003-02-06-20:21:13 import
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88 |
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nginx-0.0.1-2003-02-06-20:21:13 import
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89 if (rc != 0) { |
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nginx-0.0.1-2003-02-06-20:21:13 import
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90 if (rc == NGX_EINPROGRESS) { |
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nginx-0.0.1-2003-02-06-20:21:13 import
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91 if (!first) { |
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nginx-0.0.1-2003-02-06-20:21:13 import
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92 ngx_log_error(NGX_LOG_CRIT, ev->log, rc, |
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nginx-0.0.1-2003-02-06-20:21:13 import
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93 "aio_write() still in progress"); |
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nginx-0.0.1-2003-02-06-20:21:13 import
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94 } |
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nginx-0.0.1-2003-02-06-20:21:13 import
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95 return NGX_AGAIN; |
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nginx-0.0.1-2003-02-06-20:21:13 import
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96 } |
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nginx-0.0.1-2003-02-06-20:21:13 import
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97 |
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nginx-0.0.1-2003-02-06-20:21:13 import
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98 if (rc == NGX_ECANCELED && canceled) { |
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nginx-0.0.1-2003-02-06-20:21:13 import
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99 return NGX_ERROR; |
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nginx-0.0.1-2003-02-06-20:21:13 import
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100 } |
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nginx-0.0.1-2003-02-06-20:21:13 import
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101 |
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nginx-0.0.1-2003-02-06-20:21:13 import
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102 ngx_log_error(NGX_LOG_CRIT, ev->log, rc, "aio_write() failed"); |
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nginx-0.0.1-2003-02-06-20:21:13 import
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103 return NGX_ERROR; |
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nginx-0.0.1-2003-02-06-20:21:13 import
Igor Sysoev <igor@sysoev.ru>
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104 } |
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nginx-0.0.1-2003-02-06-20:21:13 import
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105 |
e8cdc2989cee
nginx-0.0.1-2003-02-06-20:21:13 import
Igor Sysoev <igor@sysoev.ru>
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106 rc = aio_return(&ev->aiocb); |
e8cdc2989cee
nginx-0.0.1-2003-02-06-20:21:13 import
Igor Sysoev <igor@sysoev.ru>
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107 if (rc == -1) { |
e8cdc2989cee
nginx-0.0.1-2003-02-06-20:21:13 import
Igor Sysoev <igor@sysoev.ru>
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108 ngx_log_error(NGX_LOG_CRIT, ev->log, ngx_errno, "aio_return() failed"); |
e8cdc2989cee
nginx-0.0.1-2003-02-06-20:21:13 import
Igor Sysoev <igor@sysoev.ru>
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109 |
e8cdc2989cee
nginx-0.0.1-2003-02-06-20:21:13 import
Igor Sysoev <igor@sysoev.ru>
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110 return NGX_ERROR; |
e8cdc2989cee
nginx-0.0.1-2003-02-06-20:21:13 import
Igor Sysoev <igor@sysoev.ru>
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111 } |
e8cdc2989cee
nginx-0.0.1-2003-02-06-20:21:13 import
Igor Sysoev <igor@sysoev.ru>
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112 |
e8cdc2989cee
nginx-0.0.1-2003-02-06-20:21:13 import
Igor Sysoev <igor@sysoev.ru>
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113 ngx_log_debug(ev->log, "aio_write: %d" _ rc); |
e8cdc2989cee
nginx-0.0.1-2003-02-06-20:21:13 import
Igor Sysoev <igor@sysoev.ru>
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114 |
e8cdc2989cee
nginx-0.0.1-2003-02-06-20:21:13 import
Igor Sysoev <igor@sysoev.ru>
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115 return rc; |
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nginx-0.0.1-2003-02-06-20:21:13 import
Igor Sysoev <igor@sysoev.ru>
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116 } |