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annotate src/os/unix/ngx_readv_chain.c @ 103:6dfda4cf5200

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nginx-0.0.1-2003-06-11-19:28:34 import
author Igor Sysoev <igor@sysoev.ru>
date Wed, 11 Jun 2003 15:28:34 +0000
parents 738fe44c70d5
children ad5f382c9e7d
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4534060fde92 nginx-0.0.1-2003-04-10-19:08:54 import
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4534060fde92 nginx-0.0.1-2003-04-10-19:08:54 import
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2 #include <ngx_config.h>
4534060fde92 nginx-0.0.1-2003-04-10-19:08:54 import
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3 #include <ngx_core.h>
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6dfda4cf5200 nginx-0.0.1-2003-06-11-19:28:34 import
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4 #include <ngx_event.h>
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4534060fde92 nginx-0.0.1-2003-04-10-19:08:54 import
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738fe44c70d5 nginx-0.0.1-2003-05-21-17:28:21 import
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7 ssize_t ngx_readv_chain(ngx_connection_t *c, ngx_chain_t *entry)
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8 {
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a7e45c45a95c nginx-0.0.1-2003-04-28-19:06:39 import
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9 ssize_t n;
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17ab1af8c3dd nginx-0.0.1-2003-04-11-20:01:14 import
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10 struct iovec *iov;
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11 ngx_err_t err;
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12 ngx_array_t io;
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29bf798b583f nginx-0.0.1-2003-05-15-19:42:53 import
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14 #if (NGX_SUPPRESS_WARN)
29bf798b583f nginx-0.0.1-2003-05-15-19:42:53 import
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15 iov = NULL;
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16 #endif
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4534060fde92 nginx-0.0.1-2003-04-10-19:08:54 import
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18 ngx_init_array(io, c->pool, 10, sizeof(struct iovec), NGX_ERROR);
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a7e45c45a95c nginx-0.0.1-2003-04-28-19:06:39 import
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20 while (entry) {
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4534060fde92 nginx-0.0.1-2003-04-10-19:08:54 import
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21 ngx_test_null(iov, ngx_push_array(&io), NGX_ERROR);
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22 iov->iov_base = entry->hunk->pos;
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23 iov->iov_len = entry->hunk->end - entry->hunk->last;
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24 entry = entry->next;
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25 }
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869b10be682f nginx-0.0.1-2003-04-14-21:04:58 import
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27 ngx_log_debug(c->log, "recv: %d:%d" _ io.nelts _ iov->iov_len);
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4534060fde92 nginx-0.0.1-2003-04-10-19:08:54 import
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29 n = readv(c->fd, (struct iovec *) io.elts, io.nelts);
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4534060fde92 nginx-0.0.1-2003-04-10-19:08:54 import
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31 ngx_destroy_array(&io);
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33 if (n == -1) {
4534060fde92 nginx-0.0.1-2003-04-10-19:08:54 import
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34 c->read->ready = 0;
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36 err = ngx_errno;
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4534060fde92 nginx-0.0.1-2003-04-10-19:08:54 import
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37 if (err == NGX_EAGAIN) {
4534060fde92 nginx-0.0.1-2003-04-10-19:08:54 import
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38 ngx_log_error(NGX_LOG_INFO, c->log, err, "readv() returned EAGAIN");
4534060fde92 nginx-0.0.1-2003-04-10-19:08:54 import
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39 return NGX_AGAIN;
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40 }
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4534060fde92 nginx-0.0.1-2003-04-10-19:08:54 import
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42 ngx_log_error(NGX_LOG_ERR, c->log, err, "readv() failed");
4534060fde92 nginx-0.0.1-2003-04-10-19:08:54 import
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43 return NGX_ERROR;
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44 }
4534060fde92 nginx-0.0.1-2003-04-10-19:08:54 import
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4534060fde92 nginx-0.0.1-2003-04-10-19:08:54 import
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46 return n;
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47 }