Mercurial > hg > nginx-quic
annotate src/os/unix/ngx_readv_chain.c @ 151:2d9e4a8b6d11
nginx-0.0.1-2003-10-20-21:14:07 import
author | Igor Sysoev <igor@sysoev.ru> |
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date | Mon, 20 Oct 2003 17:14:07 +0000 |
parents | ad5f382c9e7d |
children | 46eb23d9471d |
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nginx-0.0.1-2003-04-10-19:08:54 import
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2 #include <ngx_config.h> |
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3 #include <ngx_core.h> |
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4 #include <ngx_event.h> |
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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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9 ssize_t n; |
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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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14 #if (NGX_SUPPRESS_WARN) |
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15 iov = NULL; |
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16 #endif |
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18 ngx_init_array(io, c->pool, 10, sizeof(struct iovec), NGX_ERROR); |
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20 /* TODO: coalesce the neighbouring chain entries */ |
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22 while (entry) { |
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23 ngx_test_null(iov, ngx_push_array(&io), NGX_ERROR); |
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24 iov->iov_base = entry->hunk->last; |
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25 iov->iov_len = entry->hunk->end - entry->hunk->last; |
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26 entry = entry->next; |
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27 } |
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29 ngx_log_debug(c->log, "recv: %d:%d" _ io.nelts _ iov->iov_len); |
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nginx-0.0.1-2003-04-10-19:08:54 import
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31 n = readv(c->fd, (struct iovec *) io.elts, io.nelts); |
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33 ngx_destroy_array(&io); |
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34 |
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35 if (n == -1) { |
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36 c->read->ready = 0; |
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38 err = ngx_errno; |
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39 if (err == NGX_EAGAIN) { |
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40 ngx_log_error(NGX_LOG_INFO, c->log, err, "readv() returned EAGAIN"); |
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41 return NGX_AGAIN; |
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42 } |
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43 |
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44 ngx_log_error(NGX_LOG_ERR, c->log, err, "readv() failed"); |
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45 return NGX_ERROR; |
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46 } |
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47 |
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48 return n; |
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49 } |