Mercurial > hg > nginx-quic
annotate src/event/ngx_event_recv.c @ 424:84c527908237
nginx-0.0.10-2004-09-14-09:45:22 import
author | Igor Sysoev <igor@sysoev.ru> |
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date | Tue, 14 Sep 2004 05:45:22 +0000 |
parents | e43f406e4525 |
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rev | line source |
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nginx-0.0.1-2002-08-06-20:39:45 import
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1 |
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nginx-0.0.1-2002-08-06-20:39:45 import
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2 #include <ngx_config.h> |
4
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nginx-0.0.1-2002-08-22-19:24:03 import
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3 #include <ngx_core.h> |
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4 #include <ngx_errno.h> |
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nginx-0.0.1-2002-08-06-20:39:45 import
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5 #include <ngx_log.h> |
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nginx-0.0.1-2002-08-15-21:20:26 import
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6 #include <ngx_recv.h> |
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nginx-0.0.1-2002-08-06-20:39:45 import
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7 #include <ngx_connection.h> |
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nginx-0.0.1-2002-08-06-20:39:45 import
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8 |
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nginx-0.0.1-2003-02-06-20:21:13 import
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9 ssize_t ngx_event_recv_core(ngx_connection_t *c, char *buf, size_t size) |
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10 { |
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nginx-0.0.1-2003-03-20-19:09:44 import
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11 ssize_t n; |
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nginx-0.0.1-2003-03-20-19:09:44 import
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12 ngx_err_t err; |
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nginx-0.0.1-2003-03-20-19:09:44 import
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13 ngx_event_t *ev; |
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nginx-0.0.1-2002-08-15-21:20:26 import
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14 |
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nginx-0.0.1-2003-03-11-23:38:13 import
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15 ev = c->read; |
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16 |
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nginx-0.0.1-2003-03-20-19:09:44 import
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17 /* DEBUG */ |
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nginx-0.0.1-2002-08-06-20:39:45 import
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18 #if (HAVE_KQUEUE) |
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nginx-0.0.1-2003-03-11-23:38:13 import
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19 if (ngx_event_flags & NGX_HAVE_KQUEUE_EVENT) { |
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20 ngx_log_debug(c->log, "ngx_event_recv: eof:%d, avail:%d, err:%d" _ |
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nginx-0.0.1-2003-03-11-23:38:13 import
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21 ev->eof _ ev->available _ ev->error); |
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22 } |
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nginx-0.0.1-2002-08-06-20:39:45 import
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23 #endif |
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24 |
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25 #if (USE_KQUEUE) |
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26 |
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nginx-0.0.1-2003-03-11-23:38:13 import
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27 if (ev->eof && ev->available == 0) { |
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28 |
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nginx-0.0.1-2003-03-20-19:09:44 import
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29 if (ev->error == 0) { |
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nginx-0.0.1-2003-03-20-19:09:44 import
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30 return 0; |
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nginx-0.0.1-2003-02-06-20:21:13 import
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31 } |
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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-0.0.1-2003-03-20-19:09:44 import
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33 ngx_set_socket_errno(ev->error); |
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34 err = ev->error; |
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nginx-0.0.1-2003-03-20-19:09:44 import
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35 n = -1; |
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36 |
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nginx-0.0.1-2003-03-20-19:09:44 import
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37 } else { |
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nginx-0.0.1-2003-03-20-19:09:44 import
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38 n = ngx_recv(c->fd, buf, size, 0); |
67
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nginx-0.0.1-2003-03-11-23:38:13 import
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39 |
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nginx-0.0.1-2003-03-20-19:09:44 import
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40 if (n == -1) { |
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nginx-0.0.1-2003-03-20-19:09:44 import
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41 err = ngx_socket_errno; |
0
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nginx-0.0.1-2002-08-06-20:39:45 import
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42 } |
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nginx-0.0.1-2003-02-06-20:21:13 import
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43 } |
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nginx-0.0.1-2003-02-06-20:21:13 import
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44 |
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nginx-0.0.1-2003-03-20-19:09:44 import
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45 if (n == -1) { |
e43f406e4525
nginx-0.0.1-2003-03-20-19:09:44 import
Igor Sysoev <igor@sysoev.ru>
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46 ev->ready = 0; |
0
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nginx-0.0.1-2002-08-06-20:39:45 import
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47 |
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nginx-0.0.1-2003-03-20-19:09:44 import
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48 if (err == NGX_ECONNRESET && ev->ignore_econnreset) { |
67
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nginx-0.0.1-2003-03-11-23:38:13 import
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49 return 0; |
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nginx-0.0.1-2003-03-11-23:38:13 import
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50 } |
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nginx-0.0.1-2003-03-11-23:38:13 import
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51 |
0
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nginx-0.0.1-2002-08-06-20:39:45 import
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52 if (err == NGX_EAGAIN) { |
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nginx-0.0.1-2003-03-20-19:09:44 import
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53 ngx_log_error(NGX_LOG_INFO, c->log, err, "recv() returned EAGAIN"); |
4
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nginx-0.0.1-2002-08-22-19:24:03 import
Igor Sysoev <igor@sysoev.ru>
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54 return NGX_AGAIN; |
0
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nginx-0.0.1-2002-08-06-20:39:45 import
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55 } |
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nginx-0.0.1-2002-08-06-20:39:45 import
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56 |
7
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nginx-0.0.1-2002-08-29-20:59:54 import
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57 ngx_log_error(NGX_LOG_ERR, c->log, err, "recv() failed"); |
4
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nginx-0.0.1-2002-08-22-19:24:03 import
Igor Sysoev <igor@sysoev.ru>
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58 return NGX_ERROR; |
0
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nginx-0.0.1-2002-08-06-20:39:45 import
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59 } |
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nginx-0.0.1-2002-08-06-20:39:45 import
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60 |
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nginx-0.0.1-2003-03-20-19:09:44 import
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61 ev->available -= n; |
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nginx-0.0.1-2003-03-20-19:09:44 import
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62 if (ev->available == 0) { |
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63 ev->ready = 0; |
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nginx-0.0.1-2003-03-20-19:09:44 import
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64 } |
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65 |
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nginx-0.0.1-2003-03-20-19:09:44 import
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66 return n; |
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nginx-0.0.1-2003-02-06-20:21:13 import
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67 |
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nginx-0.0.1-2003-02-06-20:21:13 import
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68 #elif (HAVE_KQUEUE) |
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nginx-0.0.1-2003-02-06-20:21:13 import
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69 |
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nginx-0.0.1-2003-03-20-19:09:44 import
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70 if ((ngx_event_flags & NGX_HAVE_KQUEUE_EVENT) |
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nginx-0.0.1-2003-03-20-19:09:44 import
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71 && ev->eof && ev->available == 0) { |
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nginx-0.0.1-2003-03-20-19:09:44 import
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72 |
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nginx-0.0.1-2003-03-20-19:09:44 import
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73 if (ev->error == 0) { |
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nginx-0.0.1-2003-03-20-19:09:44 import
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74 return 0; |
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nginx-0.0.1-2003-03-20-19:09:44 import
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75 } |
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nginx-0.0.1-2003-03-20-19:09:44 import
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76 |
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nginx-0.0.1-2003-03-20-19:09:44 import
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77 ngx_set_socket_errno(ev->error); |
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78 err = ev->error; |
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nginx-0.0.1-2003-03-20-19:09:44 import
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79 n = -1; |
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80 |
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nginx-0.0.1-2003-03-20-19:09:44 import
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81 } else { |
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nginx-0.0.1-2003-03-20-19:09:44 import
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82 n = ngx_recv(c->fd, buf, size, 0); |
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nginx-0.0.1-2003-03-20-19:09:44 import
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83 ngx_log_debug(c->log, "ngx_event_recv: read:%d:%d" _ n _ size); |
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84 |
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nginx-0.0.1-2003-03-20-19:09:44 import
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85 if (n == -1) { |
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nginx-0.0.1-2003-03-20-19:09:44 import
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86 err = ngx_socket_errno; |
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nginx-0.0.1-2003-03-20-19:09:44 import
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87 } |
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nginx-0.0.1-2003-03-20-19:09:44 import
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88 } |
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nginx-0.0.1-2003-03-20-19:09:44 import
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89 |
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nginx-0.0.1-2003-03-20-19:09:44 import
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90 if (n == -1) { |
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nginx-0.0.1-2003-03-20-19:09:44 import
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91 ev->ready = 0; |
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nginx-0.0.1-2003-03-20-19:09:44 import
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92 |
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nginx-0.0.1-2003-03-20-19:09:44 import
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93 if (err == NGX_ECONNRESET && ev->ignore_econnreset) { |
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nginx-0.0.1-2003-03-20-19:09:44 import
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94 return 0; |
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nginx-0.0.1-2003-03-20-19:09:44 import
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95 } |
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nginx-0.0.1-2003-03-20-19:09:44 import
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96 |
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nginx-0.0.1-2003-03-20-19:09:44 import
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97 if (err == NGX_EAGAIN) { |
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nginx-0.0.1-2003-03-20-19:09:44 import
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98 ngx_log_error(NGX_LOG_INFO, c->log, err, "recv() returned EAGAIN"); |
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nginx-0.0.1-2003-03-20-19:09:44 import
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99 return NGX_AGAIN; |
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nginx-0.0.1-2003-03-20-19:09:44 import
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100 } |
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nginx-0.0.1-2003-03-20-19:09:44 import
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101 |
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nginx-0.0.1-2003-03-20-19:09:44 import
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102 ngx_log_error(NGX_LOG_ERR, c->log, err, "recv() failed"); |
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nginx-0.0.1-2003-03-20-19:09:44 import
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103 return NGX_ERROR; |
59
e8cdc2989cee
nginx-0.0.1-2003-02-06-20:21:13 import
Igor Sysoev <igor@sysoev.ru>
parents:
7
diff
changeset
|
104 } |
e8cdc2989cee
nginx-0.0.1-2003-02-06-20:21:13 import
Igor Sysoev <igor@sysoev.ru>
parents:
7
diff
changeset
|
105 |
69
e43f406e4525
nginx-0.0.1-2003-03-20-19:09:44 import
Igor Sysoev <igor@sysoev.ru>
parents:
67
diff
changeset
|
106 if (ngx_event_flags & NGX_HAVE_KQUEUE_EVENT) { |
e43f406e4525
nginx-0.0.1-2003-03-20-19:09:44 import
Igor Sysoev <igor@sysoev.ru>
parents:
67
diff
changeset
|
107 ev->available -= n; |
e43f406e4525
nginx-0.0.1-2003-03-20-19:09:44 import
Igor Sysoev <igor@sysoev.ru>
parents:
67
diff
changeset
|
108 if (ev->available == 0) { |
e43f406e4525
nginx-0.0.1-2003-03-20-19:09:44 import
Igor Sysoev <igor@sysoev.ru>
parents:
67
diff
changeset
|
109 ev->ready = 0; |
e43f406e4525
nginx-0.0.1-2003-03-20-19:09:44 import
Igor Sysoev <igor@sysoev.ru>
parents:
67
diff
changeset
|
110 } |
e43f406e4525
nginx-0.0.1-2003-03-20-19:09:44 import
Igor Sysoev <igor@sysoev.ru>
parents:
67
diff
changeset
|
111 |
e43f406e4525
nginx-0.0.1-2003-03-20-19:09:44 import
Igor Sysoev <igor@sysoev.ru>
parents:
67
diff
changeset
|
112 } else if ((size_t) n < size) { |
e43f406e4525
nginx-0.0.1-2003-03-20-19:09:44 import
Igor Sysoev <igor@sysoev.ru>
parents:
67
diff
changeset
|
113 ev->ready = 0; |
e43f406e4525
nginx-0.0.1-2003-03-20-19:09:44 import
Igor Sysoev <igor@sysoev.ru>
parents:
67
diff
changeset
|
114 } |
0
4eff17414a43
nginx-0.0.1-2002-08-06-20:39:45 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
115 |
4eff17414a43
nginx-0.0.1-2002-08-06-20:39:45 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
116 return n; |
69
e43f406e4525
nginx-0.0.1-2003-03-20-19:09:44 import
Igor Sysoev <igor@sysoev.ru>
parents:
67
diff
changeset
|
117 |
e43f406e4525
nginx-0.0.1-2003-03-20-19:09:44 import
Igor Sysoev <igor@sysoev.ru>
parents:
67
diff
changeset
|
118 #else /* not kqueue */ |
e43f406e4525
nginx-0.0.1-2003-03-20-19:09:44 import
Igor Sysoev <igor@sysoev.ru>
parents:
67
diff
changeset
|
119 |
e43f406e4525
nginx-0.0.1-2003-03-20-19:09:44 import
Igor Sysoev <igor@sysoev.ru>
parents:
67
diff
changeset
|
120 n = ngx_recv(c->fd, buf, size, 0); |
e43f406e4525
nginx-0.0.1-2003-03-20-19:09:44 import
Igor Sysoev <igor@sysoev.ru>
parents:
67
diff
changeset
|
121 |
e43f406e4525
nginx-0.0.1-2003-03-20-19:09:44 import
Igor Sysoev <igor@sysoev.ru>
parents:
67
diff
changeset
|
122 if (n == -1) { |
e43f406e4525
nginx-0.0.1-2003-03-20-19:09:44 import
Igor Sysoev <igor@sysoev.ru>
parents:
67
diff
changeset
|
123 err = ngx_socket_errno; |
e43f406e4525
nginx-0.0.1-2003-03-20-19:09:44 import
Igor Sysoev <igor@sysoev.ru>
parents:
67
diff
changeset
|
124 |
e43f406e4525
nginx-0.0.1-2003-03-20-19:09:44 import
Igor Sysoev <igor@sysoev.ru>
parents:
67
diff
changeset
|
125 ev->ready = 0; |
e43f406e4525
nginx-0.0.1-2003-03-20-19:09:44 import
Igor Sysoev <igor@sysoev.ru>
parents:
67
diff
changeset
|
126 |
e43f406e4525
nginx-0.0.1-2003-03-20-19:09:44 import
Igor Sysoev <igor@sysoev.ru>
parents:
67
diff
changeset
|
127 if (err == NGX_ECONNRESET && ev->ignore_econnreset) { |
e43f406e4525
nginx-0.0.1-2003-03-20-19:09:44 import
Igor Sysoev <igor@sysoev.ru>
parents:
67
diff
changeset
|
128 return 0; |
e43f406e4525
nginx-0.0.1-2003-03-20-19:09:44 import
Igor Sysoev <igor@sysoev.ru>
parents:
67
diff
changeset
|
129 } |
e43f406e4525
nginx-0.0.1-2003-03-20-19:09:44 import
Igor Sysoev <igor@sysoev.ru>
parents:
67
diff
changeset
|
130 |
e43f406e4525
nginx-0.0.1-2003-03-20-19:09:44 import
Igor Sysoev <igor@sysoev.ru>
parents:
67
diff
changeset
|
131 if (err == NGX_EAGAIN) { |
e43f406e4525
nginx-0.0.1-2003-03-20-19:09:44 import
Igor Sysoev <igor@sysoev.ru>
parents:
67
diff
changeset
|
132 ngx_log_error(NGX_LOG_INFO, c->log, err, "recv() returned EAGAIN"); |
e43f406e4525
nginx-0.0.1-2003-03-20-19:09:44 import
Igor Sysoev <igor@sysoev.ru>
parents:
67
diff
changeset
|
133 return NGX_AGAIN; |
e43f406e4525
nginx-0.0.1-2003-03-20-19:09:44 import
Igor Sysoev <igor@sysoev.ru>
parents:
67
diff
changeset
|
134 } |
e43f406e4525
nginx-0.0.1-2003-03-20-19:09:44 import
Igor Sysoev <igor@sysoev.ru>
parents:
67
diff
changeset
|
135 |
e43f406e4525
nginx-0.0.1-2003-03-20-19:09:44 import
Igor Sysoev <igor@sysoev.ru>
parents:
67
diff
changeset
|
136 ngx_log_error(NGX_LOG_ERR, c->log, err, "recv() failed"); |
e43f406e4525
nginx-0.0.1-2003-03-20-19:09:44 import
Igor Sysoev <igor@sysoev.ru>
parents:
67
diff
changeset
|
137 return NGX_ERROR; |
e43f406e4525
nginx-0.0.1-2003-03-20-19:09:44 import
Igor Sysoev <igor@sysoev.ru>
parents:
67
diff
changeset
|
138 } |
e43f406e4525
nginx-0.0.1-2003-03-20-19:09:44 import
Igor Sysoev <igor@sysoev.ru>
parents:
67
diff
changeset
|
139 |
e43f406e4525
nginx-0.0.1-2003-03-20-19:09:44 import
Igor Sysoev <igor@sysoev.ru>
parents:
67
diff
changeset
|
140 if ((size_t) n < size) { |
e43f406e4525
nginx-0.0.1-2003-03-20-19:09:44 import
Igor Sysoev <igor@sysoev.ru>
parents:
67
diff
changeset
|
141 ev->ready = 0; |
e43f406e4525
nginx-0.0.1-2003-03-20-19:09:44 import
Igor Sysoev <igor@sysoev.ru>
parents:
67
diff
changeset
|
142 } |
e43f406e4525
nginx-0.0.1-2003-03-20-19:09:44 import
Igor Sysoev <igor@sysoev.ru>
parents:
67
diff
changeset
|
143 |
e43f406e4525
nginx-0.0.1-2003-03-20-19:09:44 import
Igor Sysoev <igor@sysoev.ru>
parents:
67
diff
changeset
|
144 return n; |
e43f406e4525
nginx-0.0.1-2003-03-20-19:09:44 import
Igor Sysoev <igor@sysoev.ru>
parents:
67
diff
changeset
|
145 |
e43f406e4525
nginx-0.0.1-2003-03-20-19:09:44 import
Igor Sysoev <igor@sysoev.ru>
parents:
67
diff
changeset
|
146 #endif |
0
4eff17414a43
nginx-0.0.1-2002-08-06-20:39:45 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
147 } |