Mercurial > hg > nginx-quic
annotate src/event/ngx_event_aio_read.c @ 139:54307053f185
nginx-0.0.1-2003-10-07-19:30:05 import
author | Igor Sysoev <igor@sysoev.ru> |
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date | Tue, 07 Oct 2003 15:30:05 +0000 |
parents | e8cdc2989cee |
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rev | line source |
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59
e8cdc2989cee
nginx-0.0.1-2003-02-06-20:21:13 import
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1 |
e8cdc2989cee
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> |
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nginx-0.0.1-2003-02-06-20:21:13 import
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8 #include <ngx_event.h> |
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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_read(), 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_read(), 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_read(ngx_connection_t *c, char *buf, size_t size) |
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nginx-0.0.1-2003-02-06-20:21:13 import
Igor Sysoev <igor@sysoev.ru>
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25 { |
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nginx-0.0.1-2003-02-06-20:21:13 import
Igor Sysoev <igor@sysoev.ru>
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26 int rc, first, canceled; |
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nginx-0.0.1-2003-02-06-20:21:13 import
Igor Sysoev <igor@sysoev.ru>
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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->read; |
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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
Igor Sysoev <igor@sysoev.ru>
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33 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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34 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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35 ngx_log_error(NGX_LOG_ERR, ev->log, 0, "aio_read() timed out"); |
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nginx-0.0.1-2003-02-06-20:21:13 import
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36 |
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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 rc = aio_cancel(c->fd, &ev->aiocb); |
e8cdc2989cee
nginx-0.0.1-2003-02-06-20:21:13 import
Igor Sysoev <igor@sysoev.ru>
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38 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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39 ngx_log_error(NGX_LOG_CRIT, ev->log, ngx_errno, |
e8cdc2989cee
nginx-0.0.1-2003-02-06-20:21:13 import
Igor Sysoev <igor@sysoev.ru>
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40 "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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41 return NGX_ERROR; |
e8cdc2989cee
nginx-0.0.1-2003-02-06-20:21:13 import
Igor Sysoev <igor@sysoev.ru>
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42 } |
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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 |
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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 ngx_log_debug(ev->log, "aio_cancel: %d" _ 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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45 |
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nginx-0.0.1-2003-02-06-20:21:13 import
Igor Sysoev <igor@sysoev.ru>
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46 canceled = 1; |
e8cdc2989cee
nginx-0.0.1-2003-02-06-20:21:13 import
Igor Sysoev <igor@sysoev.ru>
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47 |
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nginx-0.0.1-2003-02-06-20:21:13 import
Igor Sysoev <igor@sysoev.ru>
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48 ev->ready = 1; |
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nginx-0.0.1-2003-02-06-20:21:13 import
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49 } |
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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
Igor Sysoev <igor@sysoev.ru>
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51 first = 0; |
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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
Igor Sysoev <igor@sysoev.ru>
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53 if (!ev->ready) { |
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nginx-0.0.1-2003-02-06-20:21:13 import
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54 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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55 |
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nginx-0.0.1-2003-02-06-20:21:13 import
Igor Sysoev <igor@sysoev.ru>
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56 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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57 ev->aiocb.aio_buf = buf; |
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nginx-0.0.1-2003-02-06-20:21:13 import
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58 ev->aiocb.aio_nbytes = size; |
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nginx-0.0.1-2003-02-06-20:21:13 import
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59 |
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nginx-0.0.1-2003-02-06-20:21:13 import
Igor Sysoev <igor@sysoev.ru>
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60 #if (HAVE_KQUEUE) |
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nginx-0.0.1-2003-02-06-20:21:13 import
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61 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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62 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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63 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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64 #endif |
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nginx-0.0.1-2003-02-06-20:21:13 import
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65 |
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nginx-0.0.1-2003-02-06-20:21:13 import
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66 if (aio_read(&ev->aiocb) == -1) { |
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nginx-0.0.1-2003-02-06-20:21:13 import
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67 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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68 "aio_read() failed"); |
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nginx-0.0.1-2003-02-06-20:21:13 import
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69 return NGX_ERROR; |
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nginx-0.0.1-2003-02-06-20:21:13 import
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70 } |
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nginx-0.0.1-2003-02-06-20:21:13 import
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71 |
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nginx-0.0.1-2003-02-06-20:21:13 import
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72 ngx_log_debug(ev->log, "aio_read: OK"); |
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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 ev->active = 1; |
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nginx-0.0.1-2003-02-06-20:21:13 import
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75 first = 1; |
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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 |
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nginx-0.0.1-2003-02-06-20:21:13 import
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78 ev->ready = 0; |
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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 rc = aio_error(&ev->aiocb); |
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nginx-0.0.1-2003-02-06-20:21:13 import
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81 if (rc == -1) { |
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nginx-0.0.1-2003-02-06-20:21:13 import
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82 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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83 return NGX_ERROR; |
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nginx-0.0.1-2003-02-06-20:21:13 import
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84 } |
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nginx-0.0.1-2003-02-06-20:21:13 import
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85 |
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nginx-0.0.1-2003-02-06-20:21:13 import
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86 if (rc != 0) { |
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nginx-0.0.1-2003-02-06-20:21:13 import
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87 if (rc == NGX_EINPROGRESS) { |
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nginx-0.0.1-2003-02-06-20:21:13 import
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88 if (!first) { |
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nginx-0.0.1-2003-02-06-20:21:13 import
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89 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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90 "aio_read() still in progress"); |
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nginx-0.0.1-2003-02-06-20:21:13 import
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91 } |
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nginx-0.0.1-2003-02-06-20:21:13 import
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92 return NGX_AGAIN; |
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nginx-0.0.1-2003-02-06-20:21:13 import
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93 } |
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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
Igor Sysoev <igor@sysoev.ru>
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95 if (rc == NGX_ECANCELED && canceled) { |
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nginx-0.0.1-2003-02-06-20:21:13 import
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96 return NGX_ERROR; |
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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
Igor Sysoev <igor@sysoev.ru>
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98 |
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nginx-0.0.1-2003-02-06-20:21:13 import
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99 ngx_log_error(NGX_LOG_CRIT, ev->log, rc, "aio_read() failed"); |
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nginx-0.0.1-2003-02-06-20:21:13 import
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100 return NGX_ERROR; |
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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 |
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nginx-0.0.1-2003-02-06-20:21:13 import
Igor Sysoev <igor@sysoev.ru>
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103 rc = aio_return(&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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104 if (rc == -1) { |
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nginx-0.0.1-2003-02-06-20:21:13 import
Igor Sysoev <igor@sysoev.ru>
parents:
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105 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>
parents:
diff
changeset
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106 |
e8cdc2989cee
nginx-0.0.1-2003-02-06-20:21:13 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
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107 return NGX_ERROR; |
e8cdc2989cee
nginx-0.0.1-2003-02-06-20:21:13 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
108 } |
e8cdc2989cee
nginx-0.0.1-2003-02-06-20:21:13 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
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109 |
e8cdc2989cee
nginx-0.0.1-2003-02-06-20:21:13 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
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110 ngx_log_debug(ev->log, "aio_read: %d" _ rc); |
e8cdc2989cee
nginx-0.0.1-2003-02-06-20:21:13 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
111 |
e8cdc2989cee
nginx-0.0.1-2003-02-06-20:21:13 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
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112 return rc; |
e8cdc2989cee
nginx-0.0.1-2003-02-06-20:21:13 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
113 } |