Mercurial > hg > nginx
annotate src/event/ngx_event_write.c @ 0:4eff17414a43
nginx-0.0.1-2002-08-06-20:39:45 import
The first code that uses "ngx_" prefix, the previous one used "gx_" prefix.
At that point the code is not yet usable. The first draft ideas are dated
back to 23.10.2001.
author | Igor Sysoev <igor@sysoev.ru> |
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date | Tue, 06 Aug 2002 16:39:45 +0000 |
parents | |
children | d220029ac7f3 |
rev | line source |
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0
4eff17414a43
nginx-0.0.1-2002-08-06-20:39:45 import
Igor Sysoev <igor@sysoev.ru>
parents:
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1 |
4eff17414a43
nginx-0.0.1-2002-08-06-20:39:45 import
Igor Sysoev <igor@sysoev.ru>
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2 #include <ngx_config.h> |
4eff17414a43
nginx-0.0.1-2002-08-06-20:39:45 import
Igor Sysoev <igor@sysoev.ru>
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3 #include <ngx_types.h> |
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nginx-0.0.1-2002-08-06-20:39:45 import
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4 #include <ngx_alloc.h> |
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nginx-0.0.1-2002-08-06-20:39:45 import
Igor Sysoev <igor@sysoev.ru>
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5 #include <ngx_array.h> |
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nginx-0.0.1-2002-08-06-20:39:45 import
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6 #include <ngx_hunk.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
Igor Sysoev <igor@sysoev.ru>
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8 #include <ngx_sendv.h> |
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nginx-0.0.1-2002-08-06-20:39:45 import
Igor Sysoev <igor@sysoev.ru>
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9 #include <ngx_sendfile.h> |
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nginx-0.0.1-2002-08-06-20:39:45 import
Igor Sysoev <igor@sysoev.ru>
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10 #include <ngx_event_write.h> |
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nginx-0.0.1-2002-08-06-20:39:45 import
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11 |
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nginx-0.0.1-2002-08-06-20:39:45 import
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12 |
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nginx-0.0.1-2002-08-06-20:39:45 import
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13 ngx_chain_t *ngx_event_writer(ngx_connection_t *cn, ngx_chain_t *in, |
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nginx-0.0.1-2002-08-06-20:39:45 import
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14 off_t flush) |
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nginx-0.0.1-2002-08-06-20:39:45 import
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15 { |
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nginx-0.0.1-2002-08-06-20:39:45 import
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16 int rc; |
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nginx-0.0.1-2002-08-06-20:39:45 import
Igor Sysoev <igor@sysoev.ru>
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17 char *last; |
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nginx-0.0.1-2002-08-06-20:39:45 import
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18 off_t sent; |
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nginx-0.0.1-2002-08-06-20:39:45 import
Igor Sysoev <igor@sysoev.ru>
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19 ngx_iovec_t *iov; |
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nginx-0.0.1-2002-08-06-20:39:45 import
Igor Sysoev <igor@sysoev.ru>
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20 ngx_array_t *header, *trailer; |
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nginx-0.0.1-2002-08-06-20:39:45 import
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21 ngx_hunk_t *file; |
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nginx-0.0.1-2002-08-06-20:39:45 import
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22 ngx_chain_t *ch; |
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23 |
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24 ch = in; |
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nginx-0.0.1-2002-08-06-20:39:45 import
Igor Sysoev <igor@sysoev.ru>
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25 file = NULL; |
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26 |
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27 ngx_test_null(header, ngx_create_array(cn->pool, 10, sizeof(ngx_iovec_t)), |
4eff17414a43
nginx-0.0.1-2002-08-06-20:39:45 import
Igor Sysoev <igor@sysoev.ru>
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28 (ngx_chain_t *) -1); |
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29 |
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30 ngx_test_null(trailer, ngx_create_array(cn->pool, 10, sizeof(ngx_iovec_t)), |
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nginx-0.0.1-2002-08-06-20:39:45 import
Igor Sysoev <igor@sysoev.ru>
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31 (ngx_chain_t *) -1); |
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32 |
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33 do { |
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nginx-0.0.1-2002-08-06-20:39:45 import
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34 header->nelts = 0; |
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35 trailer->nelts = 0; |
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nginx-0.0.1-2002-08-06-20:39:45 import
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36 |
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nginx-0.0.1-2002-08-06-20:39:45 import
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37 if (ch->hunk->type & (NGX_HUNK_IN_MEMORY | NGX_HUNK_FLUSH)) { |
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nginx-0.0.1-2002-08-06-20:39:45 import
Igor Sysoev <igor@sysoev.ru>
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38 last = NULL; |
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nginx-0.0.1-2002-08-06-20:39:45 import
Igor Sysoev <igor@sysoev.ru>
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39 iov = NULL; |
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nginx-0.0.1-2002-08-06-20:39:45 import
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40 |
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41 while (ch |
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nginx-0.0.1-2002-08-06-20:39:45 import
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42 && (ch->hunk->type & (NGX_HUNK_IN_MEMORY | NGX_HUNK_FLUSH))) |
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nginx-0.0.1-2002-08-06-20:39:45 import
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43 { |
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nginx-0.0.1-2002-08-06-20:39:45 import
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44 if (ch->hunk->type & NGX_HUNK_FLUSH) |
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nginx-0.0.1-2002-08-06-20:39:45 import
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45 continue; |
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nginx-0.0.1-2002-08-06-20:39:45 import
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46 |
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nginx-0.0.1-2002-08-06-20:39:45 import
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47 if (last == ch->hunk->pos.p) { |
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nginx-0.0.1-2002-08-06-20:39:45 import
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48 iov->ngx_iov_len += ch->hunk->last.p - ch->hunk->pos.p; |
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nginx-0.0.1-2002-08-06-20:39:45 import
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49 |
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50 } else { |
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nginx-0.0.1-2002-08-06-20:39:45 import
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51 ngx_test_null(iov, ngx_push_array(header), |
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nginx-0.0.1-2002-08-06-20:39:45 import
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52 (ngx_chain_t *) -1); |
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53 iov->ngx_iov_base = ch->hunk->pos.p; |
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54 iov->ngx_iov_len = ch->hunk->last.p - ch->hunk->pos.p; |
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55 last = ch->hunk->last.p; |
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56 } |
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57 |
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58 ch = ch->next; |
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59 } |
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60 } |
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61 |
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62 if (ch && (ch->hunk->type & NGX_HUNK_FILE)) { |
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nginx-0.0.1-2002-08-06-20:39:45 import
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63 file = ch->hunk; |
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64 ch = ch->next; |
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65 } |
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66 |
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nginx-0.0.1-2002-08-06-20:39:45 import
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67 #if (HAVE_MAX_SENDFILE_IOVEC) |
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nginx-0.0.1-2002-08-06-20:39:45 import
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68 if (file && header->nelts > HAVE_MAX_SENDFILE_IOVEC) { |
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nginx-0.0.1-2002-08-06-20:39:45 import
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69 rc = ngx_sendv(cn->fd, (ngx_iovec_t *) header->elts, header->nelts, |
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70 &sent); |
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71 } else { |
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72 #endif |
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73 if (ch && ch->hunk->type & (NGX_HUNK_IN_MEMORY | NGX_HUNK_FLUSH)) { |
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74 last = NULL; |
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75 iov = NULL; |
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76 |
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77 while (ch |
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78 && (ch->hunk->type & (NGX_HUNK_IN_MEMORY | NGX_HUNK_FLUSH))) |
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79 { |
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80 if (ch->hunk->type & NGX_HUNK_FLUSH) |
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81 continue; |
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82 |
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83 if (last == ch->hunk->pos.p) { |
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84 iov->ngx_iov_len += ch->hunk->last.p - ch->hunk->pos.p; |
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85 |
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86 } else { |
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87 ngx_test_null(iov, ngx_push_array(trailer), |
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88 (ngx_chain_t *) -1); |
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89 iov->ngx_iov_base = ch->hunk->pos.p; |
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90 iov->ngx_iov_len = ch->hunk->last.p - ch->hunk->pos.p; |
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91 last = ch->hunk->last.p; |
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92 } |
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93 |
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94 ch = ch->next; |
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95 } |
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96 } |
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97 |
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98 if (file) { |
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99 rc = ngx_sendfile(cn->fd, |
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100 (ngx_iovec_t *) header->elts, header->nelts, |
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101 file->fd, file->pos.f, |
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102 (size_t) (file->last.f - file->pos.f), |
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103 (ngx_iovec_t *) trailer->elts, trailer->nelts, |
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nginx-0.0.1-2002-08-06-20:39:45 import
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104 &sent, cn->log); |
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105 } else { |
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nginx-0.0.1-2002-08-06-20:39:45 import
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106 rc = ngx_sendv(cn->fd, (ngx_iovec_t *) header->elts, |
4eff17414a43
nginx-0.0.1-2002-08-06-20:39:45 import
Igor Sysoev <igor@sysoev.ru>
parents:
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107 header->nelts, (size_t *) &sent); |
4eff17414a43
nginx-0.0.1-2002-08-06-20:39:45 import
Igor Sysoev <igor@sysoev.ru>
parents:
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108 } |
4eff17414a43
nginx-0.0.1-2002-08-06-20:39:45 import
Igor Sysoev <igor@sysoev.ru>
parents:
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109 #if (HAVE_MAX_SENDFILE_IOVEC) |
4eff17414a43
nginx-0.0.1-2002-08-06-20:39:45 import
Igor Sysoev <igor@sysoev.ru>
parents:
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110 } |
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nginx-0.0.1-2002-08-06-20:39:45 import
Igor Sysoev <igor@sysoev.ru>
parents:
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111 #endif |
4eff17414a43
nginx-0.0.1-2002-08-06-20:39:45 import
Igor Sysoev <igor@sysoev.ru>
parents:
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112 /* save sent for logging */ |
4eff17414a43
nginx-0.0.1-2002-08-06-20:39:45 import
Igor Sysoev <igor@sysoev.ru>
parents:
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113 |
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nginx-0.0.1-2002-08-06-20:39:45 import
Igor Sysoev <igor@sysoev.ru>
parents:
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114 if (rc == -1) |
4eff17414a43
nginx-0.0.1-2002-08-06-20:39:45 import
Igor Sysoev <igor@sysoev.ru>
parents:
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115 return (ngx_chain_t *) -1; |
4eff17414a43
nginx-0.0.1-2002-08-06-20:39:45 import
Igor Sysoev <igor@sysoev.ru>
parents:
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116 |
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nginx-0.0.1-2002-08-06-20:39:45 import
Igor Sysoev <igor@sysoev.ru>
parents:
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117 flush -= sent; |
4eff17414a43
nginx-0.0.1-2002-08-06-20:39:45 import
Igor Sysoev <igor@sysoev.ru>
parents:
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118 |
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nginx-0.0.1-2002-08-06-20:39:45 import
Igor Sysoev <igor@sysoev.ru>
parents:
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119 for (ch = in; ch && !(ch->hunk->type & NGX_HUNK_LAST); ch = ch->next) { |
4eff17414a43
nginx-0.0.1-2002-08-06-20:39:45 import
Igor Sysoev <igor@sysoev.ru>
parents:
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120 if (sent >= ch->hunk->last.f - ch->hunk->pos.f) { |
4eff17414a43
nginx-0.0.1-2002-08-06-20:39:45 import
Igor Sysoev <igor@sysoev.ru>
parents:
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121 sent -= ch->hunk->last.f - ch->hunk->pos.f; |
4eff17414a43
nginx-0.0.1-2002-08-06-20:39:45 import
Igor Sysoev <igor@sysoev.ru>
parents:
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122 ch->hunk->last.f = ch->hunk->pos.f; |
4eff17414a43
nginx-0.0.1-2002-08-06-20:39:45 import
Igor Sysoev <igor@sysoev.ru>
parents:
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123 continue; |
4eff17414a43
nginx-0.0.1-2002-08-06-20:39:45 import
Igor Sysoev <igor@sysoev.ru>
parents:
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124 } |
4eff17414a43
nginx-0.0.1-2002-08-06-20:39:45 import
Igor Sysoev <igor@sysoev.ru>
parents:
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125 |
4eff17414a43
nginx-0.0.1-2002-08-06-20:39:45 import
Igor Sysoev <igor@sysoev.ru>
parents:
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126 ch->hunk->pos.f += sent; |
4eff17414a43
nginx-0.0.1-2002-08-06-20:39:45 import
Igor Sysoev <igor@sysoev.ru>
parents:
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127 break; |
4eff17414a43
nginx-0.0.1-2002-08-06-20:39:45 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
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|
128 } |
4eff17414a43
nginx-0.0.1-2002-08-06-20:39:45 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
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|
129 |
4eff17414a43
nginx-0.0.1-2002-08-06-20:39:45 import
Igor Sysoev <igor@sysoev.ru>
parents:
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130 } while (flush > 0); |
4eff17414a43
nginx-0.0.1-2002-08-06-20:39:45 import
Igor Sysoev <igor@sysoev.ru>
parents:
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|
131 |
4eff17414a43
nginx-0.0.1-2002-08-06-20:39:45 import
Igor Sysoev <igor@sysoev.ru>
parents:
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132 ngx_destroy_array(trailer); |
4eff17414a43
nginx-0.0.1-2002-08-06-20:39:45 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
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133 ngx_destroy_array(header); |
4eff17414a43
nginx-0.0.1-2002-08-06-20:39:45 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
134 |
4eff17414a43
nginx-0.0.1-2002-08-06-20:39:45 import
Igor Sysoev <igor@sysoev.ru>
parents:
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135 return ch; |
4eff17414a43
nginx-0.0.1-2002-08-06-20:39:45 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
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|
136 } |