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annotate src/os/unix/ngx_recv_chain.c @ 73:4534060fde92

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nginx-0.0.1-2003-04-10-19:08:54 import
author Igor Sysoev <igor@sysoev.ru>
date Thu, 10 Apr 2003 15:08:54 +0000
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children 17ab1af8c3dd
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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>
4534060fde92 nginx-0.0.1-2003-04-10-19:08:54 import
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4 #include <ngx_errno.h>
4534060fde92 nginx-0.0.1-2003-04-10-19:08:54 import
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5 #include <ngx_log.h>
4534060fde92 nginx-0.0.1-2003-04-10-19:08:54 import
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6 #include <ngx_connection.h>
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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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9 ssize_t ngx_recv_chain(ngx_connection_t *c, ngx_chain_t *ce)
4534060fde92 nginx-0.0.1-2003-04-10-19:08:54 import
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10 {
4534060fde92 nginx-0.0.1-2003-04-10-19:08:54 import
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11 int n;
4534060fde92 nginx-0.0.1-2003-04-10-19:08:54 import
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12 struct iovec *iov;
4534060fde92 nginx-0.0.1-2003-04-10-19:08:54 import
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13 ngx_err_t err;
4534060fde92 nginx-0.0.1-2003-04-10-19:08:54 import
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14 ngx_array_t io;
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4534060fde92 nginx-0.0.1-2003-04-10-19:08:54 import
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16 ngx_init_array(io, c->pool, 10, sizeof(struct iovec), NGX_ERROR);
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4534060fde92 nginx-0.0.1-2003-04-10-19:08:54 import
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18 while (ce) {
4534060fde92 nginx-0.0.1-2003-04-10-19:08:54 import
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19 ngx_test_null(iov, ngx_push_array(&io), NGX_ERROR);
4534060fde92 nginx-0.0.1-2003-04-10-19:08:54 import
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20 iov->iov_base = ce->hunk->pos;
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21 iov->iov_len = ce->hunk->last - ce->hunk->pos;
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22 ce = ce->next;
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23 }
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4534060fde92 nginx-0.0.1-2003-04-10-19:08:54 import
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25 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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27 ngx_destroy_array(&io);
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4534060fde92 nginx-0.0.1-2003-04-10-19:08:54 import
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29 if (n == -1) {
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30 c->read->ready = 0;
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32 if (err == NGX_EAGAIN) {
4534060fde92 nginx-0.0.1-2003-04-10-19:08:54 import
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33 ngx_log_error(NGX_LOG_INFO, c->log, err, "readv() returned EAGAIN");
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34 return NGX_AGAIN;
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35 }
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4534060fde92 nginx-0.0.1-2003-04-10-19:08:54 import
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37 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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38 return NGX_ERROR;
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39 }
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4534060fde92 nginx-0.0.1-2003-04-10-19:08:54 import
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41 return n;
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42 }