Mercurial > hg > nginx

annotate src/os/unix/ngx_solaris_sendfilev_chain.c @ 343:6bdf858bff8c

Find changesets by keywords (author, files, the commit message), revision number or hash, or revset expression.
nginx-0.0.3-2004-05-28-19:49:23 import; rename ngx_hunk_t to ngx_buf_t
author Igor Sysoev <igor@sysoev.ru>
date Fri, 28 May 2004 15:49:23 +0000
parents 87e73f067470
children e366ba5db8f8
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
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d4e65d74db9f nginx-0.0.2-2004-03-01-00:03:02 import
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1
d4e65d74db9f nginx-0.0.2-2004-03-01-00:03:02 import
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2 /*
d4e65d74db9f nginx-0.0.2-2004-03-01-00:03:02 import
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3 * Copyright (C) 2002-2004 Igor Sysoev, http://sysoev.ru/en/
d4e65d74db9f nginx-0.0.2-2004-03-01-00:03:02 import
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4 */
d4e65d74db9f nginx-0.0.2-2004-03-01-00:03:02 import
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5
197
0b81c7a0b133 nginx-0.0.1-2003-11-27-10:45:22 import
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6
0b81c7a0b133 nginx-0.0.1-2003-11-27-10:45:22 import
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7 #include <ngx_config.h>
0b81c7a0b133 nginx-0.0.1-2003-11-27-10:45:22 import
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parents:
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8 #include <ngx_core.h>
0b81c7a0b133 nginx-0.0.1-2003-11-27-10:45:22 import
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9 #include <ngx_event.h>
0b81c7a0b133 nginx-0.0.1-2003-11-27-10:45:22 import
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10
0b81c7a0b133 nginx-0.0.1-2003-11-27-10:45:22 import
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11
0b81c7a0b133 nginx-0.0.1-2003-11-27-10:45:22 import
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12 ngx_chain_t *ngx_solaris_sendfilev_chain(ngx_connection_t *c, ngx_chain_t *in)
0b81c7a0b133 nginx-0.0.1-2003-11-27-10:45:22 import
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13 {
0b81c7a0b133 nginx-0.0.1-2003-11-27-10:45:22 import
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14 int fd;
290
87e73f067470 nginx-0.0.2-2004-03-16-10:10:12 import
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15 u_char *prev;
197
0b81c7a0b133 nginx-0.0.1-2003-11-27-10:45:22 import
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16 off_t fprev;
198
34995c5ec6c4 nginx-0.0.1-2003-11-27-22:01:37 import
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17 size_t sent, size;
197
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18 ssize_t n;
0b81c7a0b133 nginx-0.0.1-2003-11-27-10:45:22 import
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19 ngx_int_t eintr;
198
34995c5ec6c4 nginx-0.0.1-2003-11-27-22:01:37 import
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20 ngx_err_t err;
197
0b81c7a0b133 nginx-0.0.1-2003-11-27-10:45:22 import
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21 sendfilevec_t *sfv;
0b81c7a0b133 nginx-0.0.1-2003-11-27-10:45:22 import
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22 ngx_array_t vec;
0b81c7a0b133 nginx-0.0.1-2003-11-27-10:45:22 import
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23 ngx_event_t *wev;
262
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24 ngx_chain_t *cl, *tail;
197
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25
0b81c7a0b133 nginx-0.0.1-2003-11-27-10:45:22 import
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26 wev = c->write;
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27
0b81c7a0b133 nginx-0.0.1-2003-11-27-10:45:22 import
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28 if (!wev->ready) {
0b81c7a0b133 nginx-0.0.1-2003-11-27-10:45:22 import
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29 return in;
0b81c7a0b133 nginx-0.0.1-2003-11-27-10:45:22 import
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30 }
0b81c7a0b133 nginx-0.0.1-2003-11-27-10:45:22 import
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31
0b81c7a0b133 nginx-0.0.1-2003-11-27-10:45:22 import
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32 do {
0b81c7a0b133 nginx-0.0.1-2003-11-27-10:45:22 import
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33 fd = SFV_FD_SELF;
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34 prev = NULL;
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35 fprev = 0;
197
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36 sfv = NULL;
0b81c7a0b133 nginx-0.0.1-2003-11-27-10:45:22 import
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37 eintr = 0;
0b81c7a0b133 nginx-0.0.1-2003-11-27-10:45:22 import
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38 sent = 0;
0b81c7a0b133 nginx-0.0.1-2003-11-27-10:45:22 import
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39
198
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40 ngx_init_array(vec, c->pool, 10, sizeof(sendfilevec_t),
34995c5ec6c4 nginx-0.0.1-2003-11-27-22:01:37 import
Igor Sysoev <igor@sysoev.ru>
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41 NGX_CHAIN_ERROR);
34995c5ec6c4 nginx-0.0.1-2003-11-27-22:01:37 import
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42
343
6bdf858bff8c nginx-0.0.3-2004-05-28-19:49:23 import; rename ngx_hunk_t to ngx_buf_t
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43 /* create the sendfilevec and coalesce the neighbouring bufs */
197
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44
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45 for (cl = in; cl && vec.nelts < IOV_MAX; cl = cl->next) {
197
0b81c7a0b133 nginx-0.0.1-2003-11-27-10:45:22 import
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46 if (ngx_hunk_special(cl->hunk)) {
0b81c7a0b133 nginx-0.0.1-2003-11-27-10:45:22 import
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47 continue;
0b81c7a0b133 nginx-0.0.1-2003-11-27-10:45:22 import
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48 }
0b81c7a0b133 nginx-0.0.1-2003-11-27-10:45:22 import
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49
0b81c7a0b133 nginx-0.0.1-2003-11-27-10:45:22 import
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50 if (ngx_hunk_in_memory_only(cl->hunk)) {
0b81c7a0b133 nginx-0.0.1-2003-11-27-10:45:22 import
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51 fd = SFV_FD_SELF;
0b81c7a0b133 nginx-0.0.1-2003-11-27-10:45:22 import
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52
0b81c7a0b133 nginx-0.0.1-2003-11-27-10:45:22 import
Igor Sysoev <igor@sysoev.ru>
parents:
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53 if (prev == cl->hunk->pos) {
0b81c7a0b133 nginx-0.0.1-2003-11-27-10:45:22 import
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parents:
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54 sfv->sfv_len += cl->hunk->last - cl->hunk->pos;
0b81c7a0b133 nginx-0.0.1-2003-11-27-10:45:22 import
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55
0b81c7a0b133 nginx-0.0.1-2003-11-27-10:45:22 import
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56 } else {
0b81c7a0b133 nginx-0.0.1-2003-11-27-10:45:22 import
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57 ngx_test_null(sfv, ngx_push_array(&vec), NGX_CHAIN_ERROR);
0b81c7a0b133 nginx-0.0.1-2003-11-27-10:45:22 import
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parents:
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58 sfv->sfv_fd = SFV_FD_SELF;
0b81c7a0b133 nginx-0.0.1-2003-11-27-10:45:22 import
Igor Sysoev <igor@sysoev.ru>
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59 sfv->sfv_flag = 0;
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34995c5ec6c4 nginx-0.0.1-2003-11-27-22:01:37 import
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60 sfv->sfv_off = (off_t) (uintptr_t) cl->hunk->pos;
197
0b81c7a0b133 nginx-0.0.1-2003-11-27-10:45:22 import
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61 sfv->sfv_len = cl->hunk->last - cl->hunk->pos;
0b81c7a0b133 nginx-0.0.1-2003-11-27-10:45:22 import
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62 }
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63
0b81c7a0b133 nginx-0.0.1-2003-11-27-10:45:22 import
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64 prev = cl->hunk->last;
0b81c7a0b133 nginx-0.0.1-2003-11-27-10:45:22 import
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65
0b81c7a0b133 nginx-0.0.1-2003-11-27-10:45:22 import
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66 } else {
0b81c7a0b133 nginx-0.0.1-2003-11-27-10:45:22 import
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67 prev = NULL;
0b81c7a0b133 nginx-0.0.1-2003-11-27-10:45:22 import
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68
0b81c7a0b133 nginx-0.0.1-2003-11-27-10:45:22 import
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69 if (fd == cl->hunk->file->fd && fprev == cl->hunk->file_pos) {
0b81c7a0b133 nginx-0.0.1-2003-11-27-10:45:22 import
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70 sfv->sfv_len += cl->hunk->file_last - cl->hunk->file_pos;
0b81c7a0b133 nginx-0.0.1-2003-11-27-10:45:22 import
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71
0b81c7a0b133 nginx-0.0.1-2003-11-27-10:45:22 import
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72 } else {
0b81c7a0b133 nginx-0.0.1-2003-11-27-10:45:22 import
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73 ngx_test_null(sfv, ngx_push_array(&vec), NGX_CHAIN_ERROR);
0b81c7a0b133 nginx-0.0.1-2003-11-27-10:45:22 import
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74 fd = cl->hunk->file->fd;
0b81c7a0b133 nginx-0.0.1-2003-11-27-10:45:22 import
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75 sfv->sfv_fd = fd;
0b81c7a0b133 nginx-0.0.1-2003-11-27-10:45:22 import
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76 sfv->sfv_flag = 0;
0b81c7a0b133 nginx-0.0.1-2003-11-27-10:45:22 import
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77 sfv->sfv_off = cl->hunk->file_pos;
0b81c7a0b133 nginx-0.0.1-2003-11-27-10:45:22 import
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78 sfv->sfv_len = cl->hunk->file_last - cl->hunk->file_pos;
0b81c7a0b133 nginx-0.0.1-2003-11-27-10:45:22 import
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79 }
0b81c7a0b133 nginx-0.0.1-2003-11-27-10:45:22 import
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80
0b81c7a0b133 nginx-0.0.1-2003-11-27-10:45:22 import
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81 fprev = cl->hunk->file_last;
0b81c7a0b133 nginx-0.0.1-2003-11-27-10:45:22 import
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82 }
0b81c7a0b133 nginx-0.0.1-2003-11-27-10:45:22 import
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83 }
0b81c7a0b133 nginx-0.0.1-2003-11-27-10:45:22 import
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84
262
8c5bdde0d9f0 nginx-0.0.2-2004-02-18-18:45:21 import
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parents: 257
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85 /*
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6bdf858bff8c nginx-0.0.3-2004-05-28-19:49:23 import; rename ngx_hunk_t to ngx_buf_t
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parents: 290
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86 * the tail is the rest of the chain that exceedes a single
6bdf858bff8c nginx-0.0.3-2004-05-28-19:49:23 import; rename ngx_hunk_t to ngx_buf_t
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parents: 290
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87 * sendfilev() capability, IOV_MAX in Solaris is limited by 16
262
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88 */
8c5bdde0d9f0 nginx-0.0.2-2004-02-18-18:45:21 import
Igor Sysoev <igor@sysoev.ru>
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89
8c5bdde0d9f0 nginx-0.0.2-2004-02-18-18:45:21 import
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90 tail = cl;
8c5bdde0d9f0 nginx-0.0.2-2004-02-18-18:45:21 import
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91
198
34995c5ec6c4 nginx-0.0.1-2003-11-27-22:01:37 import
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parents: 197
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92 n = sendfilev(c->fd, vec.elts, vec.nelts, &sent);
197
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93
0b81c7a0b133 nginx-0.0.1-2003-11-27-10:45:22 import
Igor Sysoev <igor@sysoev.ru>
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94 if (n == -1) {
0b81c7a0b133 nginx-0.0.1-2003-11-27-10:45:22 import
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95 err = ngx_errno;
0b81c7a0b133 nginx-0.0.1-2003-11-27-10:45:22 import
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96
257
70e1c7d2b83d nginx-0.0.2-2004-02-11-20:08:49 import
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parents: 198
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97 if (err == NGX_EAGAIN || err == NGX_EINTR) {
70e1c7d2b83d nginx-0.0.2-2004-02-11-20:08:49 import
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parents: 198
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98 if (err == NGX_EINTR) {
70e1c7d2b83d nginx-0.0.2-2004-02-11-20:08:49 import
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parents: 198
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99 eintr = 1;
70e1c7d2b83d nginx-0.0.2-2004-02-11-20:08:49 import
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parents: 198
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100 }
197
0b81c7a0b133 nginx-0.0.1-2003-11-27-10:45:22 import
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101
257
70e1c7d2b83d nginx-0.0.2-2004-02-11-20:08:49 import
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parents: 198
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102 ngx_log_debug1(NGX_LOG_DEBUG_EVENT, c->log, err,
197
0b81c7a0b133 nginx-0.0.1-2003-11-27-10:45:22 import
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parents:
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103 "sendfilev() sent only " SIZE_T_FMT " bytes",
0b81c7a0b133 nginx-0.0.1-2003-11-27-10:45:22 import
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parents:
diff changeset
104 sent);
257
70e1c7d2b83d nginx-0.0.2-2004-02-11-20:08:49 import
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parents: 198
diff changeset
105
197
0b81c7a0b133 nginx-0.0.1-2003-11-27-10:45:22 import
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parents:
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106 } else {
0b81c7a0b133 nginx-0.0.1-2003-11-27-10:45:22 import
Igor Sysoev <igor@sysoev.ru>
parents:
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107 wev->error = 1;
257
70e1c7d2b83d nginx-0.0.2-2004-02-11-20:08:49 import
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parents: 198
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108 ngx_connection_error(c, err, "sendfilev() failed");
197
0b81c7a0b133 nginx-0.0.1-2003-11-27-10:45:22 import
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109 return NGX_CHAIN_ERROR;
0b81c7a0b133 nginx-0.0.1-2003-11-27-10:45:22 import
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parents:
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110 }
0b81c7a0b133 nginx-0.0.1-2003-11-27-10:45:22 import
Igor Sysoev <igor@sysoev.ru>
parents:
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111 }
0b81c7a0b133 nginx-0.0.1-2003-11-27-10:45:22 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
112
257
70e1c7d2b83d nginx-0.0.2-2004-02-11-20:08:49 import
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parents: 198
diff changeset
113 ngx_log_debug2(NGX_LOG_DEBUG_EVENT, c->log, 0,
70e1c7d2b83d nginx-0.0.2-2004-02-11-20:08:49 import
Igor Sysoev <igor@sysoev.ru>
parents: 198
diff changeset
114 "sendfilev: %d " SIZE_T_FMT, n, sent);
197
0b81c7a0b133 nginx-0.0.1-2003-11-27-10:45:22 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
115
0b81c7a0b133 nginx-0.0.1-2003-11-27-10:45:22 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
116 c->sent += sent;
0b81c7a0b133 nginx-0.0.1-2003-11-27-10:45:22 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
117
0b81c7a0b133 nginx-0.0.1-2003-11-27-10:45:22 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
118 for (cl = in; cl; cl = cl->next) {
0b81c7a0b133 nginx-0.0.1-2003-11-27-10:45:22 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
119
0b81c7a0b133 nginx-0.0.1-2003-11-27-10:45:22 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
120 if (ngx_hunk_special(cl->hunk)) {
0b81c7a0b133 nginx-0.0.1-2003-11-27-10:45:22 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
121 continue;
0b81c7a0b133 nginx-0.0.1-2003-11-27-10:45:22 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
122 }
0b81c7a0b133 nginx-0.0.1-2003-11-27-10:45:22 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
123
0b81c7a0b133 nginx-0.0.1-2003-11-27-10:45:22 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
124 if (sent == 0) {
0b81c7a0b133 nginx-0.0.1-2003-11-27-10:45:22 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
125 break;
0b81c7a0b133 nginx-0.0.1-2003-11-27-10:45:22 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
126 }
0b81c7a0b133 nginx-0.0.1-2003-11-27-10:45:22 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
127
0b81c7a0b133 nginx-0.0.1-2003-11-27-10:45:22 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
128 size = ngx_hunk_size(cl->hunk);
0b81c7a0b133 nginx-0.0.1-2003-11-27-10:45:22 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
129
0b81c7a0b133 nginx-0.0.1-2003-11-27-10:45:22 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
130 if (sent >= size) {
0b81c7a0b133 nginx-0.0.1-2003-11-27-10:45:22 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
131 sent -= size;
0b81c7a0b133 nginx-0.0.1-2003-11-27-10:45:22 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
132
0b81c7a0b133 nginx-0.0.1-2003-11-27-10:45:22 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
133 if (cl->hunk->type & NGX_HUNK_IN_MEMORY) {
0b81c7a0b133 nginx-0.0.1-2003-11-27-10:45:22 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
134 cl->hunk->pos = cl->hunk->last;
0b81c7a0b133 nginx-0.0.1-2003-11-27-10:45:22 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
135 }
0b81c7a0b133 nginx-0.0.1-2003-11-27-10:45:22 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
136
0b81c7a0b133 nginx-0.0.1-2003-11-27-10:45:22 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
137 if (cl->hunk->type & NGX_HUNK_FILE) {
0b81c7a0b133 nginx-0.0.1-2003-11-27-10:45:22 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
138 cl->hunk->file_pos = cl->hunk->file_last;
0b81c7a0b133 nginx-0.0.1-2003-11-27-10:45:22 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
139 }
0b81c7a0b133 nginx-0.0.1-2003-11-27-10:45:22 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
140
0b81c7a0b133 nginx-0.0.1-2003-11-27-10:45:22 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
141 continue;
0b81c7a0b133 nginx-0.0.1-2003-11-27-10:45:22 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
142 }
0b81c7a0b133 nginx-0.0.1-2003-11-27-10:45:22 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
143
0b81c7a0b133 nginx-0.0.1-2003-11-27-10:45:22 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
144 if (cl->hunk->type & NGX_HUNK_IN_MEMORY) {
0b81c7a0b133 nginx-0.0.1-2003-11-27-10:45:22 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
145 cl->hunk->pos += sent;
0b81c7a0b133 nginx-0.0.1-2003-11-27-10:45:22 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
146 }
0b81c7a0b133 nginx-0.0.1-2003-11-27-10:45:22 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
147
0b81c7a0b133 nginx-0.0.1-2003-11-27-10:45:22 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
148 if (cl->hunk->type & NGX_HUNK_FILE) {
0b81c7a0b133 nginx-0.0.1-2003-11-27-10:45:22 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
149 cl->hunk->file_pos += sent;
0b81c7a0b133 nginx-0.0.1-2003-11-27-10:45:22 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
150 }
0b81c7a0b133 nginx-0.0.1-2003-11-27-10:45:22 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
151
0b81c7a0b133 nginx-0.0.1-2003-11-27-10:45:22 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
152 break;
0b81c7a0b133 nginx-0.0.1-2003-11-27-10:45:22 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
153 }
0b81c7a0b133 nginx-0.0.1-2003-11-27-10:45:22 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
154
0b81c7a0b133 nginx-0.0.1-2003-11-27-10:45:22 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
155 in = cl;
0b81c7a0b133 nginx-0.0.1-2003-11-27-10:45:22 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
156
262
8c5bdde0d9f0 nginx-0.0.2-2004-02-18-18:45:21 import
Igor Sysoev <igor@sysoev.ru>
parents: 257
diff changeset
157 /* "tail == in" means that a single sendfilev() is complete */
8c5bdde0d9f0 nginx-0.0.2-2004-02-18-18:45:21 import
Igor Sysoev <igor@sysoev.ru>
parents: 257
diff changeset
158
8c5bdde0d9f0 nginx-0.0.2-2004-02-18-18:45:21 import
Igor Sysoev <igor@sysoev.ru>
parents: 257
diff changeset
159 } while ((tail && tail == in) || eintr);
197
0b81c7a0b133 nginx-0.0.1-2003-11-27-10:45:22 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
160
0b81c7a0b133 nginx-0.0.1-2003-11-27-10:45:22 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
161 if (in) {
0b81c7a0b133 nginx-0.0.1-2003-11-27-10:45:22 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
162 wev->ready = 0;
0b81c7a0b133 nginx-0.0.1-2003-11-27-10:45:22 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
163 }
0b81c7a0b133 nginx-0.0.1-2003-11-27-10:45:22 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
164
0b81c7a0b133 nginx-0.0.1-2003-11-27-10:45:22 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
165 return in;
0b81c7a0b133 nginx-0.0.1-2003-11-27-10:45:22 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
166 }