Mercurial > hg > nginx

annotate src/os/unix/ngx_linux_sendfile_chain.c @ 195:8dee38ea9117

Find changesets by keywords (author, files, the commit message), revision number or hash, or revset expression.
nginx-0.0.1-2003-11-25-23:44:56 import
author Igor Sysoev <igor@sysoev.ru>
date Tue, 25 Nov 2003 20:44:56 +0000
parents 70d2345a903f
children 11fbd0fc041d
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
rev   line source
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70d2345a903f nginx-0.0.1-2003-05-29-17:02:09 import
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1
70d2345a903f nginx-0.0.1-2003-05-29-17:02:09 import
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2 #include <ngx_config.h>
70d2345a903f nginx-0.0.1-2003-05-29-17:02:09 import
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3 #include <ngx_core.h>
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8dee38ea9117 nginx-0.0.1-2003-11-25-23:44:56 import
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4 #include <ngx_event.h>
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70d2345a903f nginx-0.0.1-2003-05-29-17:02:09 import
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5
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70d2345a903f nginx-0.0.1-2003-05-29-17:02:09 import
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7 ngx_chain_t *ngx_linux_sendfile_chain(ngx_connection_t *c, ngx_chain_t *in)
70d2345a903f nginx-0.0.1-2003-05-29-17:02:09 import
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8 {
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8dee38ea9117 nginx-0.0.1-2003-11-25-23:44:56 import
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9 int rc;
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70d2345a903f nginx-0.0.1-2003-05-29-17:02:09 import
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10 char *prev;
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8dee38ea9117 nginx-0.0.1-2003-11-25-23:44:56 import
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11 off_t fprev;
8dee38ea9117 nginx-0.0.1-2003-11-25-23:44:56 import
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12 size_t size, fsize, sent;
8dee38ea9117 nginx-0.0.1-2003-11-25-23:44:56 import
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13 ngx_int_t use_cork, eintr;
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70d2345a903f nginx-0.0.1-2003-05-29-17:02:09 import
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14 struct iovec *iov;
70d2345a903f nginx-0.0.1-2003-05-29-17:02:09 import
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15 ngx_err_t err;
70d2345a903f nginx-0.0.1-2003-05-29-17:02:09 import
Igor Sysoev <igor@sysoev.ru>
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16 ngx_hunk_t *file;
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8dee38ea9117 nginx-0.0.1-2003-11-25-23:44:56 import
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17 ngx_array_t header;
8dee38ea9117 nginx-0.0.1-2003-11-25-23:44:56 import
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18 ngx_event_t *wev;
8dee38ea9117 nginx-0.0.1-2003-11-25-23:44:56 import
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19 ngx_chain_t *cl;
8dee38ea9117 nginx-0.0.1-2003-11-25-23:44:56 import
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20
8dee38ea9117 nginx-0.0.1-2003-11-25-23:44:56 import
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21 wev = c->write;
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22
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8dee38ea9117 nginx-0.0.1-2003-11-25-23:44:56 import
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23 if (!wev->ready) {
8dee38ea9117 nginx-0.0.1-2003-11-25-23:44:56 import
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24 return in;
8dee38ea9117 nginx-0.0.1-2003-11-25-23:44:56 import
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25 }
8dee38ea9117 nginx-0.0.1-2003-11-25-23:44:56 import
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26
8dee38ea9117 nginx-0.0.1-2003-11-25-23:44:56 import
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27 cork = 0;
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28
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29 do {
8dee38ea9117 nginx-0.0.1-2003-11-25-23:44:56 import
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30 file = NULL;
8dee38ea9117 nginx-0.0.1-2003-11-25-23:44:56 import
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31 fsize = 0;
8dee38ea9117 nginx-0.0.1-2003-11-25-23:44:56 import
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32 eintr = 0;
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33
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8dee38ea9117 nginx-0.0.1-2003-11-25-23:44:56 import
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34 ngx_init_array(header, c->pool, 10, sizeof(struct iovec),
8dee38ea9117 nginx-0.0.1-2003-11-25-23:44:56 import
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35 NGX_CHAIN_ERROR);
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36
70d2345a903f nginx-0.0.1-2003-05-29-17:02:09 import
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37 prev = NULL;
70d2345a903f nginx-0.0.1-2003-05-29-17:02:09 import
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38 iov = NULL;
70d2345a903f nginx-0.0.1-2003-05-29-17:02:09 import
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39
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8dee38ea9117 nginx-0.0.1-2003-11-25-23:44:56 import
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40 /* create the iovec and coalesce the neighbouring hunks */
8dee38ea9117 nginx-0.0.1-2003-11-25-23:44:56 import
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41
8dee38ea9117 nginx-0.0.1-2003-11-25-23:44:56 import
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42 for (cl = in; cl; cl = cl->next) {
8dee38ea9117 nginx-0.0.1-2003-11-25-23:44:56 import
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43 if (ngx_hunk_special(cl->hunk)) {
8dee38ea9117 nginx-0.0.1-2003-11-25-23:44:56 import
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44 continue;
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45 }
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46
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8dee38ea9117 nginx-0.0.1-2003-11-25-23:44:56 import
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47 if (!ngx_hunk_in_memory_only(cl->hunk)) {
8dee38ea9117 nginx-0.0.1-2003-11-25-23:44:56 import
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48 break;
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49 }
8dee38ea9117 nginx-0.0.1-2003-11-25-23:44:56 import
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50
8dee38ea9117 nginx-0.0.1-2003-11-25-23:44:56 import
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51 if (prev == cl->hunk->pos) {
8dee38ea9117 nginx-0.0.1-2003-11-25-23:44:56 import
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52 iov->iov_len += cl->hunk->last - cl->hunk->pos;
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53
70d2345a903f nginx-0.0.1-2003-05-29-17:02:09 import
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54 } else {
70d2345a903f nginx-0.0.1-2003-05-29-17:02:09 import
Igor Sysoev <igor@sysoev.ru>
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55 ngx_test_null(iov, ngx_push_array(&header), NGX_CHAIN_ERROR);
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8dee38ea9117 nginx-0.0.1-2003-11-25-23:44:56 import
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56 iov->iov_base = cl->hunk->pos;
8dee38ea9117 nginx-0.0.1-2003-11-25-23:44:56 import
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57 iov->iov_len = cl->hunk->last - cl->hunk->pos;
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70d2345a903f nginx-0.0.1-2003-05-29-17:02:09 import
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58 }
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59
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8dee38ea9117 nginx-0.0.1-2003-11-25-23:44:56 import
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60 prev = cl->hunk->last;
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61 }
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8dee38ea9117 nginx-0.0.1-2003-11-25-23:44:56 import
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63 /* set TCP_CORK if there is a header before a file */
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64
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8dee38ea9117 nginx-0.0.1-2003-11-25-23:44:56 import
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65 if (!c->tcp_nopush
8dee38ea9117 nginx-0.0.1-2003-11-25-23:44:56 import
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66 && header.nelts != 0
8dee38ea9117 nginx-0.0.1-2003-11-25-23:44:56 import
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67 && cl
8dee38ea9117 nginx-0.0.1-2003-11-25-23:44:56 import
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68 && cl->hunk->type & NGX_HUNK_FILE)
8dee38ea9117 nginx-0.0.1-2003-11-25-23:44:56 import
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69 {
8dee38ea9117 nginx-0.0.1-2003-11-25-23:44:56 import
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70 c->tcp_nopush = 1;
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71
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8dee38ea9117 nginx-0.0.1-2003-11-25-23:44:56 import
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72 ngx_log_debug(c->log, "CORK");
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73
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74 if (ngx_tcp_nopush(c->fd) == NGX_ERROR) {
8dee38ea9117 nginx-0.0.1-2003-11-25-23:44:56 import
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75 ngx_log_error(NGX_LOG_CRIT, c->log, ngx_errno,
8dee38ea9117 nginx-0.0.1-2003-11-25-23:44:56 import
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76 ngx_tcp_nopush_n " failed");
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77 return NGX_CHAIN_ERROR;
70d2345a903f nginx-0.0.1-2003-05-29-17:02:09 import
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78 }
70d2345a903f nginx-0.0.1-2003-05-29-17:02:09 import
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79 }
70d2345a903f nginx-0.0.1-2003-05-29-17:02:09 import
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80
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8dee38ea9117 nginx-0.0.1-2003-11-25-23:44:56 import
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81 if (header.nelts == 0 && cl && cl->hunk->type & NGX_HUNK_FILE) {
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82
8dee38ea9117 nginx-0.0.1-2003-11-25-23:44:56 import
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83 /* get the file hunk */
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84
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8dee38ea9117 nginx-0.0.1-2003-11-25-23:44:56 import
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85 file = cl->hunk;
8dee38ea9117 nginx-0.0.1-2003-11-25-23:44:56 import
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86 fsize = (size_t) (file->file_last - file->file_pos);
8dee38ea9117 nginx-0.0.1-2003-11-25-23:44:56 import
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87 fprev = file->file_last;
8dee38ea9117 nginx-0.0.1-2003-11-25-23:44:56 import
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88 cl = cl->next;
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89
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90 /* coalesce the neighbouring file hunks */
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70d2345a903f nginx-0.0.1-2003-05-29-17:02:09 import
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91
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8dee38ea9117 nginx-0.0.1-2003-11-25-23:44:56 import
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92 while (cl && (cl->hunk->type & NGX_HUNK_FILE)) {
8dee38ea9117 nginx-0.0.1-2003-11-25-23:44:56 import
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93 if (file->file->fd != cl->hunk->file->fd
8dee38ea9117 nginx-0.0.1-2003-11-25-23:44:56 import
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94 || fprev != cl->hunk->file_pos)
8dee38ea9117 nginx-0.0.1-2003-11-25-23:44:56 import
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95 {
8dee38ea9117 nginx-0.0.1-2003-11-25-23:44:56 import
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96 break;
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97 }
97
70d2345a903f nginx-0.0.1-2003-05-29-17:02:09 import
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98
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8dee38ea9117 nginx-0.0.1-2003-11-25-23:44:56 import
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99 fsize += (size_t) (cl->hunk->file_last - cl->hunk->file_pos);
8dee38ea9117 nginx-0.0.1-2003-11-25-23:44:56 import
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100 fprev = cl->hunk->file_last;
8dee38ea9117 nginx-0.0.1-2003-11-25-23:44:56 import
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101 cl = cl->next;
97
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102 }
70d2345a903f nginx-0.0.1-2003-05-29-17:02:09 import
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103 }
70d2345a903f nginx-0.0.1-2003-05-29-17:02:09 import
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104
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8dee38ea9117 nginx-0.0.1-2003-11-25-23:44:56 import
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105 /*
8dee38ea9117 nginx-0.0.1-2003-11-25-23:44:56 import
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106 * the tail is the rest of the chain that exceeded
8dee38ea9117 nginx-0.0.1-2003-11-25-23:44:56 import
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107 * a single sendfile() capability
8dee38ea9117 nginx-0.0.1-2003-11-25-23:44:56 import
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108 */
8dee38ea9117 nginx-0.0.1-2003-11-25-23:44:56 import
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109
8dee38ea9117 nginx-0.0.1-2003-11-25-23:44:56 import
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110 tail = cl;
8dee38ea9117 nginx-0.0.1-2003-11-25-23:44:56 import
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111
8dee38ea9117 nginx-0.0.1-2003-11-25-23:44:56 import
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112 if (fsize) {
8dee38ea9117 nginx-0.0.1-2003-11-25-23:44:56 import
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113 rc = sendfile(c->fd, file->file->fd, file->file_pos, fsize);
8dee38ea9117 nginx-0.0.1-2003-11-25-23:44:56 import
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114
8dee38ea9117 nginx-0.0.1-2003-11-25-23:44:56 import
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115 if (rc == -1) {
8dee38ea9117 nginx-0.0.1-2003-11-25-23:44:56 import
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116 err = ngx_errno;
8dee38ea9117 nginx-0.0.1-2003-11-25-23:44:56 import
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117 if (err == NGX_EAGAIN) {
8dee38ea9117 nginx-0.0.1-2003-11-25-23:44:56 import
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118 ngx_log_error(NGX_LOG_INFO, c->log, err,
8dee38ea9117 nginx-0.0.1-2003-11-25-23:44:56 import
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diff changeset
119 "sendfile() EAGAIN");
8dee38ea9117 nginx-0.0.1-2003-11-25-23:44:56 import
Igor Sysoev <igor@sysoev.ru>
parents: 97
diff changeset
120
8dee38ea9117 nginx-0.0.1-2003-11-25-23:44:56 import
Igor Sysoev <igor@sysoev.ru>
parents: 97
diff changeset
121 } else if (err == NGX_EINTR) {
8dee38ea9117 nginx-0.0.1-2003-11-25-23:44:56 import
Igor Sysoev <igor@sysoev.ru>
parents: 97
diff changeset
122 eintr = 1;
8dee38ea9117 nginx-0.0.1-2003-11-25-23:44:56 import
Igor Sysoev <igor@sysoev.ru>
parents: 97
diff changeset
123 ngx_log_error(NGX_LOG_INFO, c->log, err,
8dee38ea9117 nginx-0.0.1-2003-11-25-23:44:56 import
Igor Sysoev <igor@sysoev.ru>
parents: 97
diff changeset
124 "sendfile() EINTR");
8dee38ea9117 nginx-0.0.1-2003-11-25-23:44:56 import
Igor Sysoev <igor@sysoev.ru>
parents: 97
diff changeset
125
8dee38ea9117 nginx-0.0.1-2003-11-25-23:44:56 import
Igor Sysoev <igor@sysoev.ru>
parents: 97
diff changeset
126 } else {
8dee38ea9117 nginx-0.0.1-2003-11-25-23:44:56 import
Igor Sysoev <igor@sysoev.ru>
parents: 97
diff changeset
127 ngx_log_error(NGX_LOG_CRIT, c->log, err,
8dee38ea9117 nginx-0.0.1-2003-11-25-23:44:56 import
Igor Sysoev <igor@sysoev.ru>
parents: 97
diff changeset
128 "sendfile() failed");
8dee38ea9117 nginx-0.0.1-2003-11-25-23:44:56 import
Igor Sysoev <igor@sysoev.ru>
parents: 97
diff changeset
129 return NGX_CHAIN_ERROR;
8dee38ea9117 nginx-0.0.1-2003-11-25-23:44:56 import
Igor Sysoev <igor@sysoev.ru>
parents: 97
diff changeset
130 }
8dee38ea9117 nginx-0.0.1-2003-11-25-23:44:56 import
Igor Sysoev <igor@sysoev.ru>
parents: 97
diff changeset
131 }
8dee38ea9117 nginx-0.0.1-2003-11-25-23:44:56 import
Igor Sysoev <igor@sysoev.ru>
parents: 97
diff changeset
132
8dee38ea9117 nginx-0.0.1-2003-11-25-23:44:56 import
Igor Sysoev <igor@sysoev.ru>
parents: 97
diff changeset
133 sent = rc > 0 ? rc : 0;
97
70d2345a903f nginx-0.0.1-2003-05-29-17:02:09 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
134
70d2345a903f nginx-0.0.1-2003-05-29-17:02:09 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
135 #if (NGX_DEBUG_WRITE_CHAIN)
195
8dee38ea9117 nginx-0.0.1-2003-11-25-23:44:56 import
Igor Sysoev <igor@sysoev.ru>
parents: 97
diff changeset
136 ngx_log_debug(c->log, "sendfile: %d, @" OFF_T_FMT " %d:%d" _
8dee38ea9117 nginx-0.0.1-2003-11-25-23:44:56 import
Igor Sysoev <igor@sysoev.ru>
parents: 97
diff changeset
137 rc _ file->file_pos _ sent _ fsize);
97
70d2345a903f nginx-0.0.1-2003-05-29-17:02:09 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
138 #endif
195
8dee38ea9117 nginx-0.0.1-2003-11-25-23:44:56 import
Igor Sysoev <igor@sysoev.ru>
parents: 97
diff changeset
139 } else {
8dee38ea9117 nginx-0.0.1-2003-11-25-23:44:56 import
Igor Sysoev <igor@sysoev.ru>
parents: 97
diff changeset
140 rc = writev(c->fd, header.elts, header.nelts);
97
70d2345a903f nginx-0.0.1-2003-05-29-17:02:09 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
141
195
8dee38ea9117 nginx-0.0.1-2003-11-25-23:44:56 import
Igor Sysoev <igor@sysoev.ru>
parents: 97
diff changeset
142 if (rc == -1) {
8dee38ea9117 nginx-0.0.1-2003-11-25-23:44:56 import
Igor Sysoev <igor@sysoev.ru>
parents: 97
diff changeset
143 err = ngx_errno;
8dee38ea9117 nginx-0.0.1-2003-11-25-23:44:56 import
Igor Sysoev <igor@sysoev.ru>
parents: 97
diff changeset
144 if (err == NGX_EAGAIN) {
8dee38ea9117 nginx-0.0.1-2003-11-25-23:44:56 import
Igor Sysoev <igor@sysoev.ru>
parents: 97
diff changeset
145 ngx_log_error(NGX_LOG_INFO, c->log, err, "writev() EAGAIN");
97
70d2345a903f nginx-0.0.1-2003-05-29-17:02:09 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
146
195
8dee38ea9117 nginx-0.0.1-2003-11-25-23:44:56 import
Igor Sysoev <igor@sysoev.ru>
parents: 97
diff changeset
147 } else if (err == NGX_EINTR) {
8dee38ea9117 nginx-0.0.1-2003-11-25-23:44:56 import
Igor Sysoev <igor@sysoev.ru>
parents: 97
diff changeset
148 eintr = 1;
8dee38ea9117 nginx-0.0.1-2003-11-25-23:44:56 import
Igor Sysoev <igor@sysoev.ru>
parents: 97
diff changeset
149 ngx_log_error(NGX_LOG_INFO, c->log, err, "writev() EINTR");
97
70d2345a903f nginx-0.0.1-2003-05-29-17:02:09 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
150
195
8dee38ea9117 nginx-0.0.1-2003-11-25-23:44:56 import
Igor Sysoev <igor@sysoev.ru>
parents: 97
diff changeset
151 } else {
8dee38ea9117 nginx-0.0.1-2003-11-25-23:44:56 import
Igor Sysoev <igor@sysoev.ru>
parents: 97
diff changeset
152 ngx_log_error(NGX_LOG_CRIT, c->log, err, "writev() failed");
8dee38ea9117 nginx-0.0.1-2003-11-25-23:44:56 import
Igor Sysoev <igor@sysoev.ru>
parents: 97
diff changeset
153 return NGX_CHAIN_ERROR;
8dee38ea9117 nginx-0.0.1-2003-11-25-23:44:56 import
Igor Sysoev <igor@sysoev.ru>
parents: 97
diff changeset
154 }
97
70d2345a903f nginx-0.0.1-2003-05-29-17:02:09 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
155 }
70d2345a903f nginx-0.0.1-2003-05-29-17:02:09 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
156
195
8dee38ea9117 nginx-0.0.1-2003-11-25-23:44:56 import
Igor Sysoev <igor@sysoev.ru>
parents: 97
diff changeset
157 sent = rc > 0 ? rc : 0;
97
70d2345a903f nginx-0.0.1-2003-05-29-17:02:09 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
158
195
8dee38ea9117 nginx-0.0.1-2003-11-25-23:44:56 import
Igor Sysoev <igor@sysoev.ru>
parents: 97
diff changeset
159 #if (NGX_DEBUG_WRITE_CHAIN)
8dee38ea9117 nginx-0.0.1-2003-11-25-23:44:56 import
Igor Sysoev <igor@sysoev.ru>
parents: 97
diff changeset
160 ngx_log_debug(c->log, "writev: %d" _ sent);
8dee38ea9117 nginx-0.0.1-2003-11-25-23:44:56 import
Igor Sysoev <igor@sysoev.ru>
parents: 97
diff changeset
161 #endif
97
70d2345a903f nginx-0.0.1-2003-05-29-17:02:09 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
162 }
70d2345a903f nginx-0.0.1-2003-05-29-17:02:09 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
163
195
8dee38ea9117 nginx-0.0.1-2003-11-25-23:44:56 import
Igor Sysoev <igor@sysoev.ru>
parents: 97
diff changeset
164 c->sent += sent;
8dee38ea9117 nginx-0.0.1-2003-11-25-23:44:56 import
Igor Sysoev <igor@sysoev.ru>
parents: 97
diff changeset
165
8dee38ea9117 nginx-0.0.1-2003-11-25-23:44:56 import
Igor Sysoev <igor@sysoev.ru>
parents: 97
diff changeset
166 for (cl = in; cl; cl = cl->next) {
8dee38ea9117 nginx-0.0.1-2003-11-25-23:44:56 import
Igor Sysoev <igor@sysoev.ru>
parents: 97
diff changeset
167
8dee38ea9117 nginx-0.0.1-2003-11-25-23:44:56 import
Igor Sysoev <igor@sysoev.ru>
parents: 97
diff changeset
168 if (ngx_hunk_special(cl->hunk)) {
8dee38ea9117 nginx-0.0.1-2003-11-25-23:44:56 import
Igor Sysoev <igor@sysoev.ru>
parents: 97
diff changeset
169 continue;
8dee38ea9117 nginx-0.0.1-2003-11-25-23:44:56 import
Igor Sysoev <igor@sysoev.ru>
parents: 97
diff changeset
170 }
8dee38ea9117 nginx-0.0.1-2003-11-25-23:44:56 import
Igor Sysoev <igor@sysoev.ru>
parents: 97
diff changeset
171
8dee38ea9117 nginx-0.0.1-2003-11-25-23:44:56 import
Igor Sysoev <igor@sysoev.ru>
parents: 97
diff changeset
172 if (sent == 0) {
8dee38ea9117 nginx-0.0.1-2003-11-25-23:44:56 import
Igor Sysoev <igor@sysoev.ru>
parents: 97
diff changeset
173 break;
8dee38ea9117 nginx-0.0.1-2003-11-25-23:44:56 import
Igor Sysoev <igor@sysoev.ru>
parents: 97
diff changeset
174 }
8dee38ea9117 nginx-0.0.1-2003-11-25-23:44:56 import
Igor Sysoev <igor@sysoev.ru>
parents: 97
diff changeset
175
8dee38ea9117 nginx-0.0.1-2003-11-25-23:44:56 import
Igor Sysoev <igor@sysoev.ru>
parents: 97
diff changeset
176 size = ngx_hunk_size(cl->hunk);
8dee38ea9117 nginx-0.0.1-2003-11-25-23:44:56 import
Igor Sysoev <igor@sysoev.ru>
parents: 97
diff changeset
177
8dee38ea9117 nginx-0.0.1-2003-11-25-23:44:56 import
Igor Sysoev <igor@sysoev.ru>
parents: 97
diff changeset
178 if (sent >= size) {
8dee38ea9117 nginx-0.0.1-2003-11-25-23:44:56 import
Igor Sysoev <igor@sysoev.ru>
parents: 97
diff changeset
179 sent -= size;
8dee38ea9117 nginx-0.0.1-2003-11-25-23:44:56 import
Igor Sysoev <igor@sysoev.ru>
parents: 97
diff changeset
180
8dee38ea9117 nginx-0.0.1-2003-11-25-23:44:56 import
Igor Sysoev <igor@sysoev.ru>
parents: 97
diff changeset
181 if (cl->hunk->type & NGX_HUNK_IN_MEMORY) {
8dee38ea9117 nginx-0.0.1-2003-11-25-23:44:56 import
Igor Sysoev <igor@sysoev.ru>
parents: 97
diff changeset
182 cl->hunk->pos = cl->hunk->last;
8dee38ea9117 nginx-0.0.1-2003-11-25-23:44:56 import
Igor Sysoev <igor@sysoev.ru>
parents: 97
diff changeset
183 }
8dee38ea9117 nginx-0.0.1-2003-11-25-23:44:56 import
Igor Sysoev <igor@sysoev.ru>
parents: 97
diff changeset
184
8dee38ea9117 nginx-0.0.1-2003-11-25-23:44:56 import
Igor Sysoev <igor@sysoev.ru>
parents: 97
diff changeset
185 if (cl->hunk->type & NGX_HUNK_FILE) {
8dee38ea9117 nginx-0.0.1-2003-11-25-23:44:56 import
Igor Sysoev <igor@sysoev.ru>
parents: 97
diff changeset
186 cl->hunk->file_pos = cl->hunk->file_last;
8dee38ea9117 nginx-0.0.1-2003-11-25-23:44:56 import
Igor Sysoev <igor@sysoev.ru>
parents: 97
diff changeset
187 }
8dee38ea9117 nginx-0.0.1-2003-11-25-23:44:56 import
Igor Sysoev <igor@sysoev.ru>
parents: 97
diff changeset
188
8dee38ea9117 nginx-0.0.1-2003-11-25-23:44:56 import
Igor Sysoev <igor@sysoev.ru>
parents: 97
diff changeset
189 continue;
8dee38ea9117 nginx-0.0.1-2003-11-25-23:44:56 import
Igor Sysoev <igor@sysoev.ru>
parents: 97
diff changeset
190 }
8dee38ea9117 nginx-0.0.1-2003-11-25-23:44:56 import
Igor Sysoev <igor@sysoev.ru>
parents: 97
diff changeset
191
8dee38ea9117 nginx-0.0.1-2003-11-25-23:44:56 import
Igor Sysoev <igor@sysoev.ru>
parents: 97
diff changeset
192 if (cl->hunk->type & NGX_HUNK_IN_MEMORY) {
8dee38ea9117 nginx-0.0.1-2003-11-25-23:44:56 import
Igor Sysoev <igor@sysoev.ru>
parents: 97
diff changeset
193 cl->hunk->pos += sent;
8dee38ea9117 nginx-0.0.1-2003-11-25-23:44:56 import
Igor Sysoev <igor@sysoev.ru>
parents: 97
diff changeset
194 }
8dee38ea9117 nginx-0.0.1-2003-11-25-23:44:56 import
Igor Sysoev <igor@sysoev.ru>
parents: 97
diff changeset
195
8dee38ea9117 nginx-0.0.1-2003-11-25-23:44:56 import
Igor Sysoev <igor@sysoev.ru>
parents: 97
diff changeset
196 if (cl->hunk->type & NGX_HUNK_FILE) {
8dee38ea9117 nginx-0.0.1-2003-11-25-23:44:56 import
Igor Sysoev <igor@sysoev.ru>
parents: 97
diff changeset
197 cl->hunk->file_pos += sent;
8dee38ea9117 nginx-0.0.1-2003-11-25-23:44:56 import
Igor Sysoev <igor@sysoev.ru>
parents: 97
diff changeset
198 }
8dee38ea9117 nginx-0.0.1-2003-11-25-23:44:56 import
Igor Sysoev <igor@sysoev.ru>
parents: 97
diff changeset
199
8dee38ea9117 nginx-0.0.1-2003-11-25-23:44:56 import
Igor Sysoev <igor@sysoev.ru>
parents: 97
diff changeset
200 break;
97
70d2345a903f nginx-0.0.1-2003-05-29-17:02:09 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
201 }
70d2345a903f nginx-0.0.1-2003-05-29-17:02:09 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
202
195
8dee38ea9117 nginx-0.0.1-2003-11-25-23:44:56 import
Igor Sysoev <igor@sysoev.ru>
parents: 97
diff changeset
203 in = cl;
8dee38ea9117 nginx-0.0.1-2003-11-25-23:44:56 import
Igor Sysoev <igor@sysoev.ru>
parents: 97
diff changeset
204
8dee38ea9117 nginx-0.0.1-2003-11-25-23:44:56 import
Igor Sysoev <igor@sysoev.ru>
parents: 97
diff changeset
205 /* "tail == in" means that a single sendfile() is complete */
8dee38ea9117 nginx-0.0.1-2003-11-25-23:44:56 import
Igor Sysoev <igor@sysoev.ru>
parents: 97
diff changeset
206
8dee38ea9117 nginx-0.0.1-2003-11-25-23:44:56 import
Igor Sysoev <igor@sysoev.ru>
parents: 97
diff changeset
207 } while ((tail && tail == in) || eintr);
8dee38ea9117 nginx-0.0.1-2003-11-25-23:44:56 import
Igor Sysoev <igor@sysoev.ru>
parents: 97
diff changeset
208
8dee38ea9117 nginx-0.0.1-2003-11-25-23:44:56 import
Igor Sysoev <igor@sysoev.ru>
parents: 97
diff changeset
209 if (in) {
8dee38ea9117 nginx-0.0.1-2003-11-25-23:44:56 import
Igor Sysoev <igor@sysoev.ru>
parents: 97
diff changeset
210 wev->ready = 0;
97
70d2345a903f nginx-0.0.1-2003-05-29-17:02:09 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
211 }
70d2345a903f nginx-0.0.1-2003-05-29-17:02:09 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
212
195
8dee38ea9117 nginx-0.0.1-2003-11-25-23:44:56 import
Igor Sysoev <igor@sysoev.ru>
parents: 97
diff changeset
213 return in;
97
70d2345a903f nginx-0.0.1-2003-05-29-17:02:09 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
214 }